CN112248650A - Ink jet printing method and apparatus - Google Patents
Ink jet printing method and apparatus Download PDFInfo
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- CN112248650A CN112248650A CN202011134631.4A CN202011134631A CN112248650A CN 112248650 A CN112248650 A CN 112248650A CN 202011134631 A CN202011134631 A CN 202011134631A CN 112248650 A CN112248650 A CN 112248650A
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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
- B41J2/07—Ink jet characterised by jet control
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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
Abstract
The embodiment of the application provides an ink-jet printing method and equipment, when ink-jet printing is carried out, an initial pulse signal generated by a printing control signal is firstly subjected to conversion processing to obtain a plurality of continuously identical first pulse numbers with an integer part and a decimal part; adjusting other first pulse numbers based on the decimal part of the first pulse number to obtain integer second pulse numbers corresponding to other first pulse numbers; at least one second pulse number is larger than a first pulse number corresponding to the second pulse number in the plurality of second pulse numbers, and the integral part of the first pulse number is kept unchanged; based on the initial pulse signal, the integral part of the first pulse number and the pulse signals corresponding to the printing control signals generated by the plurality of second pulse numbers, the movement distance of the printing nozzle can be accurately controlled, and then the ink-jet printing is carried out on the printing medium according to the pulse signals, so that the printing quality with higher precision is realized, and the resolution ratio of the ink-jet printing is effectively improved.
Description
Technical Field
The invention relates to the technical field of ink jet printing, in particular to an ink jet printing method and ink jet printing equipment.
Background
In recent years, with the development of computer digital technology, various computer-aided digital printing technologies have come to be developed, and among them, the inkjet printing technology has attracted much attention by virtue of its special non-pressure non-contact halftone printing method. Inkjet printing technology has shown stable performance improvements in deposition accuracy, high resolution printing and droplet control, and is becoming increasingly popular due to its low cost, simplicity of operation, and relatively high speed. With the continuous expansion of the application field of ink-jet printing, higher requirements are put on the printing resolution, and the control of the accuracy of the ink-jet printing signal is the key for improving the resolution of ink-jet printing.
In order to improve the resolution of inkjet printing, in the prior art, an inkjet printing control signal is converted into a pulse signal by using a high-pulse-count sensor, and a printing head is controlled to move to perform a printing operation, so that the resolution of inkjet printing is improved. Although the resolution of ink-jet printing is improved by using the high-pulse-number sensor, when the pulse signal of the pulse sensor is converted into the execution signal of the printing nozzle, because the irregularity of the pulse signal, namely the pulse signal not only has an integer part but also comprises a non-integer part, the moving distance of the printing nozzle generates an error due to only considering the integer part of the pulse, neglecting the non-integer part of the pulse, neglecting the distance error caused by the pulse signal when the high-pulse-number sensor is static or the printing direction is switched, and influencing the resolution of the ink-jet printing of the high-pulse-number sensor.
Therefore, how to control the moving distance of the printing nozzle during inkjet printing according to the pulse signal to achieve high-precision printing quality, thereby improving the resolution of inkjet printing is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The embodiment of the invention provides an ink-jet printing method and equipment, which realize higher-precision printing quality and effectively improve the printing resolution.
In a first aspect, embodiments of the present application provide an inkjet printing method, which may include:
when a printing control signal is received, generating an initial pulse signal, and performing conversion processing on the initial pulse signal to obtain a plurality of continuous same first pulse numbers corresponding to the printing control signal; wherein the first number of pulses includes an integer part and a fractional part.
Adjusting other first pulse numbers except the first pulse number based on a decimal part of the first pulse number in the plurality of first pulse numbers to obtain second pulse numbers corresponding to the other first pulse numbers; wherein, the second pulse number corresponding to the other first pulse numbers is an integer, and at least one second pulse number in the plurality of second pulse numbers is larger than the first pulse number corresponding to the second pulse number, and the integer part of the first pulse number is kept unchanged.
And generating a pulse signal corresponding to the printing control signal according to the initial pulse signal, the integral part of the first pulse number and the plurality of second pulse numbers.
And controlling a printing nozzle to perform ink jet printing on a printing medium according to the movement distance corresponding to the pulse signal.
In one possible implementation manner, the adjusting, based on a decimal portion of a first pulse number of the plurality of first pulse numbers, other first pulse numbers except the first pulse number to obtain second pulse numbers corresponding to the other first pulse numbers includes:
and determining a pulse remainder corresponding to each first pulse number in the plurality of first pulse numbers based on the decimal part of the first pulse number.
And adjusting the next first pulse number of the first pulse number according to the pulse remainder corresponding to the first pulse number to obtain a second pulse number corresponding to the next first pulse number.
In a possible implementation manner, the adjusting, according to a pulse remainder corresponding to the first pulse number, a first pulse number subsequent to the first pulse number to obtain a second pulse number corresponding to the first pulse number subsequent to the first pulse number includes:
and calculating the sum of the pulse remainder corresponding to the first pulse number and the decimal part.
And adjusting the next first pulse number according to the sum of the pulse remainder corresponding to the first pulse number and the decimal part to obtain a second pulse number corresponding to the next first pulse number.
In one possible implementation manner, the adjusting the subsequent first pulse number according to a sum of a remainder of the pulse corresponding to the first pulse number and a decimal part to obtain a second pulse number corresponding to the subsequent first pulse number includes:
and if the sum is larger than or equal to a preset threshold value, adding 1 to the integer part of the latter first pulse number to obtain a second pulse number corresponding to the latter first pulse number.
And if the sum is smaller than a preset threshold value, determining the integral part of the first pulse number as a second pulse number corresponding to the next first pulse number.
In one possible implementation manner, the adjusting the subsequent first pulse number according to a sum of a remainder of the pulse corresponding to the first pulse number and a decimal part to obtain a second pulse number corresponding to the subsequent first pulse number includes:
and determining the quotient of the sum and a preset threshold value.
And if the quotient is 1, adding 1 to the integer part of the latter first pulse number to obtain a second pulse number corresponding to the latter first pulse number.
And if the quotient is 0, determining the integral part of the first pulse number as a second pulse number corresponding to the latter first pulse number.
In one possible implementation manner, the determining, based on the decimal part of the first pulse number, a pulse remainder corresponding to each first pulse number in the plurality of first pulse numbers includes:
and calculating the sum of the remainder of the pulse corresponding to the pulse number before the first pulse number and the decimal part from the second pulse number in the plurality of first pulse numbers.
Determining a pulse remainder corresponding to the first pulse number according to the sum of the pulse remainder corresponding to the previous pulse number and the decimal part; and the pulse remainder corresponding to the first pulse number is a decimal part of the first pulse number.
In one possible implementation manner, the determining a pulse remainder corresponding to the first pulse number according to a sum of a pulse remainder corresponding to the previous pulse number and a decimal part includes:
and calculating that the sum is greater than or equal to a preset threshold value, and determining the absolute value of the difference value between the sum and the preset threshold value as a pulse remainder corresponding to the first pulse number.
And calculating the sum smaller than a preset threshold value, and determining the sum as a pulse remainder corresponding to the first pulse number.
In one possible implementation manner, the determining a pulse remainder corresponding to the first pulse number according to a sum of a pulse remainder corresponding to the previous pulse number and a decimal part includes:
and calculating the remainder of dividing the sum by a preset threshold value, and determining the remainder as the pulse remainder corresponding to the first pulse number.
In a possible implementation manner, the controlling, according to the pulse signal, a print head to perform inkjet printing on a print medium includes:
determining a change in state of the initial pulse signal; wherein, the state comprises the state of level change and front and back pulse signals; wherein the level state includes a high level or a low level.
And determining the moving direction of the printing spray head on the printing medium according to the change of the state of the initial pulse signal.
And controlling the printing nozzle to perform inkjet printing on the printing medium according to the movement direction and the movement distance.
In a second aspect, embodiments of the present application provide an inkjet printing apparatus, including:
the conversion unit is used for generating an initial pulse signal when receiving a printing control signal, and performing conversion processing on the initial pulse signal to obtain a plurality of continuous same first pulse numbers corresponding to the printing control signal; wherein the first number of pulses includes an integer part and a fractional part.
A processing unit, configured to adjust, based on a fractional part of a first pulse number of the plurality of first pulse numbers, other first pulse numbers except the first pulse number to obtain second pulse numbers corresponding to the other first pulse numbers; wherein, the second pulse number corresponding to the other first pulse numbers is an integer, and at least one second pulse number in the plurality of second pulse numbers is larger than the first pulse number corresponding to the second pulse number, and the integer part of the first pulse number is kept unchanged.
The processing unit is further configured to generate a pulse signal corresponding to the print control signal according to the initial pulse signal, the integer part of the first number of pulses, and the plurality of second numbers of pulses.
And the control unit is used for controlling the printing nozzle to perform ink jet printing on the printing medium according to the pulse signal.
In a possible implementation manner, the processing unit is specifically configured to determine, based on a decimal part of the first pulse number, a pulse remainder corresponding to each first pulse number in the plurality of first pulse numbers; and adjusting the next first pulse number of the first pulse number according to the pulse remainder corresponding to the first pulse number to obtain a second pulse number corresponding to the next first pulse number.
In a possible implementation manner, the processing unit is specifically configured to calculate a sum of a pulse remainder corresponding to the first pulse number and a decimal part; and adjusting the latter first pulse number according to the sum of the pulse remainder corresponding to the first pulse number and the decimal part to obtain a second pulse number corresponding to the latter first pulse number.
In a possible implementation manner, the processing unit is specifically configured to add 1 to an integer part of the subsequent first pulse number if the sum is greater than or equal to a preset threshold value, so as to obtain a second pulse number corresponding to the subsequent first pulse number; and if the sum is smaller than a preset threshold value, determining the integral part of the first pulse number as a second pulse number corresponding to the next first pulse number.
In a possible implementation manner, the processing unit is specifically configured to determine a quotient of the sum and a preset threshold value. If the quotient is 1, adding 1 to the integer part of the latter first pulse number to obtain a second pulse number corresponding to the latter first pulse number; and if the quotient is 0, determining the integral part of the first pulse number as a second pulse number corresponding to the latter first pulse number.
In a possible implementation manner, the processing unit is specifically configured to calculate, starting from a second pulse number in the plurality of first pulse numbers, a sum of a remainder of pulses corresponding to a pulse number that is previous to the first pulse number and a decimal part; determining a pulse remainder corresponding to the first pulse number according to the sum of the pulse remainder corresponding to the previous pulse number and the decimal part; and the pulse remainder corresponding to the first pulse number is a decimal part of the first pulse number.
In a possible implementation manner, the processing unit is specifically configured to calculate that the sum is greater than or equal to a preset threshold, and determine an absolute value of a difference between the sum and the preset threshold as a pulse remainder corresponding to the first pulse number.
And calculating the sum smaller than a preset threshold value, and determining the sum as a pulse remainder corresponding to the first pulse number.
In a possible implementation manner, the processing unit is specifically configured to calculate a remainder of division of the sum by a preset threshold value, and determine the remainder as a pulse remainder corresponding to the first pulse number.
In one possible implementation, the inkjet printing apparatus further includes:
a determination unit for determining a change in state of the initial pulse signal; wherein, the state comprises the state of level change and front and back pulse signals; wherein the level state comprises a high level or a low level; and determining the moving direction of the printing spray head on the printing medium according to the change of the state of the initial pulse signal.
The control unit is specifically configured to control the printing nozzle to perform inkjet printing on the printing medium according to the moving direction and the moving distance.
In a third aspect, embodiments of the present application provide an inkjet printing apparatus that may include a memory and a processor; wherein the content of the first and second substances,
the memory is used for storing the computer program.
The processor is configured to read the computer program stored in the memory, and execute an inkjet printing method according to any one of the possible implementation manners of the first aspect.
In a fourth aspect, the present application further provides a computer-readable storage medium, where computer-executable instructions are stored in the computer-readable storage medium, and when a processor executes the computer-executable instructions, the method for inkjet printing is implemented in any one of the possible implementation manners of the first aspect.
Therefore, the embodiment of the application provides an ink jet printing method and equipment, when ink jet printing is carried out, conversion processing is carried out on an initial pulse signal generated by a printing control signal to obtain a plurality of continuously identical first pulse numbers with an integer part and a decimal part; adjusting other first pulse numbers based on the decimal part of the first pulse number to obtain integer second pulse numbers corresponding to other first pulse numbers; at least one second pulse number is larger than a first pulse number corresponding to the second pulse number in the plurality of second pulse numbers, and the integral part of the first pulse number is kept unchanged; based on the initial pulse signal, the integral part of the first pulse number and the pulse signals corresponding to the printing control signals generated by a plurality of second pulse numbers, the moving distance of the printing nozzle can be accurately controlled, and then the ink-jet printing is carried out on the printing medium according to the pulse signals. The superposition idea is adopted to superpose the decimal part, so that the problem that the movement distance of the printing nozzle cannot be accurately controlled due to the fact that the decimal part is directly ignored is solved, meanwhile, the distance error caused by pulse signals when the sensor is static or the printing direction is switched can be solved, the printing quality with higher precision is realized, and the resolution ratio of ink-jet printing is effectively improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic flow chart of an inkjet printing method according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a pulse signal generated by a high pulse number sensor according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a pulse signal state change framework of a high pulse number sensor of an inkjet printing method according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a single pulse signal of a high pulse count sensor according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an inkjet printing apparatus according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of another inkjet printing apparatus provided in an embodiment of the present application;
with the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the embodiments of the present invention, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. In the description of the present invention, the character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The ink-jet printing method provided by the embodiment of the application is applied to ink-jet printing equipment. In the inkjet printing process, in order to improve the resolution of inkjet printing and achieve higher-precision printing quality, in the prior art, an inkjet printing control signal is converted into a pulse signal by using a high-pulse-number sensor, and a printing nozzle is controlled to perform inkjet printing on a printing medium, so that the resolution of inkjet printing is improved. Although the resolution of ink-jet printing is improved by using the method of the high-pulse-number sensor, when the pulse signal of the pulse sensor is converted into the execution signal of the printing nozzle, because the irregularity of the pulse signal is that the pulse signal not only has an integer part but also includes a non-integer part, only the integer part of the pulse is considered, the non-integer part of the pulse is ignored, the distance error of the printing nozzle in the moving process is caused, and the distance error caused by the pulse signal when the high-pulse-number sensor is static or the printing direction is switched is ignored, so that the resolution of ink-jet printing of the high-pulse-number sensor is influenced.
Therefore, how to control the moving distance of the printing nozzle during inkjet printing according to the pulse signal to achieve high-precision printing quality, thereby improving the resolution of inkjet printing is a problem that needs to be solved by those skilled in the art.
When pulse signals of the pulse sensor are processed, the printing control signals are firstly converted into continuous pulse signals, then the non-integer part of the pulse signals is processed by using a preset rule, the integer part and the non-integer part of the pulse signals are all converted into the moving distance corresponding to the printing nozzle, so that the moving distance of the printing nozzle is more accurate, and a better printing effect is achieved.
Therefore, based on the above discussion, the present application provides an inkjet printing method and apparatus, when performing inkjet printing, an initial pulse signal generated by a printing control signal is first subjected to a conversion process to obtain a plurality of continuously identical first pulse numbers having an integer part and a decimal part; adjusting other first pulse numbers based on the decimal part of the first pulse number to obtain integer second pulse numbers corresponding to other first pulse numbers; at least one second pulse number is larger than a first pulse number corresponding to the second pulse number in the plurality of second pulse numbers, and the integral part of the first pulse number is kept unchanged; based on the initial pulse signal, the integral part of the first pulse number and the pulse signals corresponding to the printing control signals generated by a plurality of second pulse numbers, the moving distance of the printing nozzle can be accurately controlled, and then the ink-jet printing is carried out on the printing medium according to the pulse signals. The superposition idea is adopted to superpose the decimal part, so that the problem that the movement distance of the printing nozzle cannot be accurately controlled due to the fact that the decimal part is directly ignored is solved, meanwhile, the distance error caused by pulse signals when the sensor is static or the printing direction is switched can be solved, the printing quality with higher precision is realized, and the resolution ratio of ink-jet printing is effectively improved.
Hereinafter, the inkjet printing method provided in the present application will be described in detail by specific examples. It is to be understood that the following detailed description may be combined with other embodiments, and that the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is a schematic flow chart of an inkjet printing method provided in an embodiment of the present application, where the inkjet printing method may be executed by software and/or a hardware device, for example, the hardware device may be an inkjet printing apparatus, and the inkjet printing apparatus may be integrated in a detection apparatus. For example, referring to fig. 1, the inkjet printing method may include:
s101, when the printing control signal is received, generating an initial pulse signal, and performing conversion processing on the initial pulse signal to obtain a plurality of continuous identical first pulse numbers corresponding to the printing control signal.
Wherein the first number of pulses includes an integer portion and a fractional portion.
Illustratively, when receiving a printing control signal, generating an initial pulse signal, and performing conversion processing on the initial pulse signal to obtain a plurality of continuous same first pulse numbers corresponding to the printing control signal, firstly, a high-pulse-number sensor receives the printing control signal and generates a corresponding initial pulse signal; then, the initial pulse signal is simply processed and converted into a first pulse number including both an integer part and a decimal part, so that the influence of the decimal part of the first pulse number is sufficiently considered in the process of controlling the movement of the printing nozzle through the printing control signal.
It can be understood that the high pulse number sensor is a detection device, which can sense the measured information and convert the sensed information into pulse signals according to a certain rule, so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. When the high pulse count sensor receives the print control signal and converts the print control signal into a first pulse count including an integer portion and a fractional portion, the size of the integer and fractional portions of the first pulse count is related to the specification of the sensor and the print resolution to be achieved. Here, the present application is described only by taking a high pulse number sensor as an example, but the present application is not limited to this.
S102, adjusting other first pulse numbers except the first pulse number based on the decimal part of the first pulse number in the plurality of first pulse numbers to obtain second pulse numbers corresponding to the other first pulse numbers.
The second pulse numbers corresponding to other first pulse numbers are integers, at least one second pulse number in the plurality of second pulse numbers is larger than the first pulse number corresponding to the second pulse number, and the integer part of the first pulse number is kept unchanged.
For example, when the other first pulse numbers except the first pulse number are adjusted based on the fraction part of the first pulse number in the plurality of first pulse numbers to obtain the second pulse numbers corresponding to the other first pulse numbers, firstly, the pulse remainder corresponding to each first pulse number in the plurality of first pulse numbers is determined based on the fraction part of the first pulse number; and then, according to the pulse remainder corresponding to the first pulse number, adjusting the next first pulse number of the first pulse number to obtain a second pulse number corresponding to the next first pulse number.
Illustratively, when a first pulse number which is next to the first pulse number is adjusted according to a pulse remainder corresponding to the first pulse number to obtain a second pulse number which is next to the first pulse number and corresponds to the first pulse number, the sum of the pulse remainder corresponding to the first pulse number and the decimal part is calculated; and adjusting the next first pulse number according to the sum of the pulse remainder corresponding to the first pulse number and the decimal part to obtain a second pulse number corresponding to the next first pulse number.
Furthermore, when the latter first pulse number is adjusted according to the sum of the remainder of the pulse corresponding to the first pulse number and the decimal part to obtain the second pulse number corresponding to the latter first pulse number, the method is realized through two possible implementation modes:
for example, in one possible implementation manner, the second pulse number is determined by comparing the sum of the pulse remainder corresponding to the first pulse number and the decimal part with the size of the preset threshold value; if the sum of the pulse remainder corresponding to the first pulse number and the decimal part is greater than or equal to a preset threshold value, adding 1 to the integer part of the next first pulse number to obtain a second pulse number corresponding to the next first pulse number; and if the sum of the pulse remainder corresponding to the first pulse number and the decimal part is smaller than a preset threshold value, determining the integral part of the first pulse number as a second pulse number corresponding to the next first pulse number.
In another possible implementation manner, the second pulse number is determined through the quotient of the sum of the pulse remainder corresponding to the first pulse number and the decimal part and a preset threshold value; if the quotient of the sum of the pulse remainder corresponding to the first pulse number and the decimal part and the preset threshold value is 1, adding 1 to the integer part of the next first pulse number to obtain a second pulse number corresponding to the next first pulse number; and if the sum of the pulse remainder corresponding to the first pulse number and the decimal part is 0 with the preset threshold value, determining the integral part of the first pulse number as a second pulse number corresponding to the next first pulse number.
Based on the above description, the second pulse numbers corresponding to the other first pulse numbers except the first pulse number are integers, and among the plurality of second pulse numbers, at least one second pulse number is larger than the first pulse number corresponding to the second pulse number, and the integer part of the first pulse number is kept unchanged.
For example, when determining a remainder for each of the plurality of first pulse numbers based on the fraction part of the first pulse number, first, a sum of a remainder for a pulse corresponding to a pulse preceding the first pulse number and the fraction part is calculated from a second pulse number of the plurality of first pulse numbers; then, determining the pulse remainder corresponding to the first pulse number according to the sum of the pulse remainder corresponding to the previous pulse number and the decimal part; the pulse remainder corresponding to the first pulse number is the decimal part of the first pulse number.
It will be appreciated that when determining the remainder of the pulse corresponding to the first pulse number from the sum of the remainder of the pulse corresponding to the previous pulse number and the fraction, this is achieved in two possible ways:
for example, in one possible implementation manner, the number pulse remainder corresponding to the first pulse number is determined by comparing the sum of the pulse remainder corresponding to the previous pulse number and the decimal part with the preset threshold value, first, the sum of the pulse remainder corresponding to the previous pulse number and the decimal part is calculated to be greater than or equal to the preset threshold value, and the absolute value of the difference value between the pulse remainder corresponding to the previous pulse number and the decimal part and the preset threshold value of the decimal part is determined as the pulse remainder corresponding to the first pulse number; and then, calculating that the sum of the pulse remainder corresponding to the previous pulse number and the decimal part is smaller than a preset threshold value, and determining the sum of the pulse remainder corresponding to the previous pulse number and the decimal part as the pulse remainder corresponding to the first pulse number.
In another possible implementation manner, a pulse remainder corresponding to the first pulse number is determined by calculating a quotient of a sum of the pulse remainder corresponding to the previous pulse number and the decimal part and a preset threshold value, a remainder of the sum of the pulse remainder corresponding to the previous pulse number and the decimal part divided by the preset threshold value is calculated, and the obtained remainder is determined as the pulse remainder corresponding to the first pulse number.
It can be understood that two possible implementation manners of determining the pulse remainder corresponding to the first pulse number according to the sum of the pulse remainder corresponding to the previous pulse number and the decimal part, and two possible implementation manners of adjusting the next first pulse number according to the sum of the pulse remainder corresponding to the first pulse number and the decimal part to obtain the second pulse number corresponding to the next first pulse number can be freely selected and matched for use, and the embodiment of the application is not limited at all.
S103, generating a pulse signal corresponding to the printing control signal according to the initial pulse signal, the integral part of the first pulse number and a plurality of second pulse numbers.
Illustratively, when generating a pulse signal corresponding to the print control signal based on the initial pulse signal, the integer part of the first number of pulses, and the plurality of second numbers of pulses, first, the initial pulse signal is subjected to a conversion process to determine a plurality of consecutive identical first numbers of pulses, and the integer part of the first number of pulses is determined as the first second number of pulses; generating a pulse remainder corresponding to the second first pulse number according to the decimal part of the first pulse number and the decimal part of the second first pulse number; and then, determining an integer part of the second first pulse number according to the pulse remainder, namely determining the second pulse number, and so on to obtain a plurality of second pulse numbers, and finally, generating a pulse signal corresponding to the printing control signal according to the second pulse numbers.
And S104, controlling the printing nozzle to perform ink jet printing on the printing medium according to the pulse signal.
For example, when controlling the print head to perform inkjet printing on the print medium according to the pulse signal, the print head may control the print distance and the movement direction when performing inkjet printing on the print medium according to the corresponding movement distance and the corresponding movement direction included in the pulse signal. And the movement distance corresponding to the pulse signal is the movement distance corresponding to the second pulse number, and the movement direction corresponding to the pulse signal is determined by the state change of the initial pulse signal.
It is understood that the initial pulse signal is generated by the high pulse number sensor according to the printing control signal, and the state of the initial pulse signal includes a level change and the state of the preceding and following pulse signals; wherein the level state includes a high level or a low level.
Further, the printing medium may be paper, and may also be other media, which is not limited in this embodiment of the application.
In order to facilitate understanding of the inkjet printing method provided in the embodiment of the present application, the following will describe the inkjet printing method in detail by taking a sensor as a high pulse number sensor, where the distance of a single pulse signal of the high pulse number sensor is 1um, the printing distance per inch is 25.4mm, the number of printing dots per inch is 2400, and the pulse of a distance control signal output corresponding to the number of printing dots per inch is 10.583um, that is, controlling a printing head to perform inkjet printing on a printing medium by a pulse integer of 10um and a pulse decimal of 583 nm. The present application is described only by way of example, but the present application is not limited to this example. Fig. 2 is a schematic diagram of a pulse signal generated by a high pulse number sensor according to an embodiment of the present disclosure.
Illustratively, according to the pulse signal diagram shown in fig. 2, the pulse signal generated by the high pulse number sensor includes an a-phase signal and a B-phase signal, i.e., the initial pulse signal is an a-phase signal and a B-phase signal, where the directions of arrows shown in the a-phase signal and the B-phase signal in fig. 2 are the level change directions of the a-phase signal and the B-phase signal, if the arrow is upward, the level change of the a-phase signal or the B-phase signal is represented as a rising edge, i.e., a low level is changed to a high level, and if the arrow is downward, the level change of the a-phase signal or the B-phase signal is represented as a falling edge, i.e., a high level is changed to a. Determining the state change of the initial pulse signal according to the level change of the A-phase signal and the B-phase signal and the state change of the A-phase signal and the B-phase signal before and after; and determining that the printing nozzle performs ink jet printing on the printing medium according to the state change of the initial pulse signal.
Fig. 3 is a schematic diagram of a state change framework of a pulse signal of a high pulse number sensor of an inkjet printing method according to an embodiment of the present application, where the state of level change of an a-phase signal and a B-phase signal is shown in fig. 3. Wherein A, B represents a phase signal and a phase signal, H represents a high level, L represents a low level, P represents a level change state as a rising edge, N represents a level change state as a falling edge, 1 represents a single pulse signal, wherein +1 represents a pulse signal moving in a preset positive direction, and-1 represents a pulse signal moving in a reverse direction of the preset direction, the moving direction of the printing head for performing ink jet printing on the printing medium is more precisely controlled according to the change of the initial pulse signal shown in fig. 3.
For example, fig. 4 is a schematic diagram of generating a corresponding output signal by a single pulse signal of a high pulse number sensor according to an embodiment of the present application. As shown in fig. 4, the input signal is a single pulse signal obtained by simply processing the initial pulse signals, i.e., the a-phase signal and the B-phase signal, generated by the high-pulse number sensor in fig. 2, wherein one quarter of the a-phase signal and one quarter of the B-phase signal are converted into one single pulse signal; the output signal is a second pulse number which is obtained by processing the first pulse signal and is used for controlling the moving distance of the printing spray head. Wherein, first pulse number comprises a plurality of monopulse signals, and first pulse number contains integer portion and decimal portion, and the pulse integer is 10um, and the pulse decimal is 583 nm.
Illustratively, the second pulse signal is determined according to the integer part and the decimal part of the first pulse number, and the data obtained in the process is shown in table 1:
illustratively, according to table 1, when a subsequent first pulse number is adjusted according to a pulse integer and a pulse remainder corresponding to the first pulse number to obtain a second pulse number corresponding to the subsequent first pulse number, according to the pulse integer and the pulse remainder of the first pulse number corresponding to the signal 1, it is determined that an integer part of the first pulse number in the signal 1 is 10um, and the pulse remainder corresponding to the first pulse number is 583 nm; calculating the sum of the pulse remainder corresponding to the first pulse number and the decimal part of the second first pulse number, wherein the sum is 1166nm, comparing the sum of the pulse remainder corresponding to the first pulse number and the decimal part of the second first pulse number with a preset threshold value, wherein the sum of the pulse remainder corresponding to the first pulse number and the decimal part of the second first pulse number is 1166nm, the preset threshold value is 1000nm, namely the sum of the pulse remainder corresponding to the first pulse number and the decimal part of the second first pulse number is greater than the preset threshold value, at the moment, the pulse carry is 1um, and therefore the first pulse number and the second pulse number in the signal 2 are 11 um; taking the absolute value of the difference value between the sum of the pulse remainder corresponding to the first pulse number and the decimal part of the second first pulse number and a preset threshold value as the pulse remainder of the second first pulse number, namely the pulse remainder of the second first pulse number in the signal 2 is 166 nm; determining the pulse remainders corresponding to the second pulse number and the third first pulse number in the signal 3 according to the third first pulse number and the pulse remainders corresponding to the second first pulse number in the signal 2; and in the same way, obtaining a plurality of second pulse numbers, and controlling the moving distance of the printing nozzle during ink jet printing on the printing medium according to the integral part of the first pulse number and the plurality of second pulse numbers.
It can be understood that, when determining the pulse remainder corresponding to the first pulse number according to the sum of the pulse remainder corresponding to the previous pulse number and the decimal part, the determination may be implemented by calculating the difference between the sum of the pulse remainder corresponding to the previous pulse number and the decimal part and the preset threshold value, or calculating the remainder between the sum of the pulse remainder corresponding to the previous pulse number and the decimal part and the preset threshold value.
It can be understood that, when the following first pulse number is adjusted according to the sum of the pulse remainder corresponding to the first pulse number and the decimal part to obtain the second pulse number corresponding to the following first pulse number, the second pulse number may be obtained by comparing the difference between the sum of the pulse remainder corresponding to the first pulse number and the decimal part and the preset threshold value, or determining the quotient of the sum of the pulse remainder corresponding to the first pulse number and the decimal part and the preset threshold value.
For example, the initial pulse signal generated by the pulse sensor may be a regular pulse signal, and may also be a chaotic pulse signal, and the embodiment of the present application is only described by taking a high pulse number sensor that generates regular a-phase signals and B-phase signals as an example, but does not represent that the embodiment of the present application is limited thereto.
In summary, the high pulse number sensor is used for receiving the printing control signal, generating an initial pulse signal, and performing conversion processing on the initial pulse signal to determine a plurality of continuously identical first pulse numbers comprising an integer part and a decimal part corresponding to the printing control signal; and determining a pulse remainder corresponding to the first pulse number by calculating a difference value between the sum of the pulse remainder corresponding to the previous pulse number and the decimal part and a preset threshold value, determining a second pulse number by using a method of the difference value between the sum of the pulse remainder corresponding to the first pulse number and the decimal part and the preset threshold value, and controlling the printing distance and the moving direction of the printing nozzle during ink jet printing on a printing medium according to the moving distance corresponding to the second pulse number and the moving direction corresponding to the state change of the initial pulse signal. The problem of high pulse number sensor round trip movement when static to and the error of the printing distance that initial pulse signal irregular change produced when switching printing direction is solved, realized printing distance and printing direction while and accurate control, realized the printing quality of higher accuracy, thereby improved the resolution ratio that the inkjet printed effectively.
Fig. 5 is a schematic structural diagram of an inkjet printing apparatus 50 according to an embodiment of the present application, and for example, referring to fig. 5, the inkjet printing apparatus 50 may include:
a converting unit 501, configured to generate an initial pulse signal when receiving a print control signal, and perform conversion processing on the initial pulse signal to obtain a plurality of consecutive same first pulse numbers corresponding to the print control signal; wherein the first number of pulses includes an integer portion and a fractional portion.
A processing unit 502, configured to adjust other first pulse numbers except the first pulse number based on a fractional part of the first pulse number in the plurality of first pulse numbers, to obtain second pulse numbers corresponding to the other first pulse numbers; the second pulse numbers corresponding to other first pulse numbers are integers, at least one second pulse number in the plurality of second pulse numbers is larger than the first pulse number corresponding to the second pulse number, and the integer part of the first pulse number is kept unchanged.
The processing unit 502 is further configured to generate a pulse signal corresponding to the print control signal according to the initial pulse signal, the integer part of the first number of pulses, and the plurality of second numbers of pulses.
And a control unit 503, configured to control the print head to perform inkjet printing on the print medium according to the pulse signal.
Optionally, the processing unit 502 is specifically configured to determine a pulse remainder corresponding to each first pulse number in the multiple first pulse numbers based on the fraction part of the first pulse number; and adjusting the next first pulse number of the first pulse number according to the pulse remainder corresponding to the first pulse number to obtain a second pulse number corresponding to the next first pulse number.
Optionally, the processing unit 502 is specifically configured to calculate a sum of a pulse remainder corresponding to the first pulse number and a decimal part; and adjusting the next first pulse number according to the sum of the pulse remainder corresponding to the first pulse number and the decimal part to obtain a second pulse number corresponding to the next first pulse number.
Optionally, the processing unit 502 is specifically configured to, if the sum is greater than or equal to a preset threshold value, add 1 to an integer part of the next first pulse number to obtain a second pulse number corresponding to the next first pulse number; and if the sum is smaller than the preset threshold value, determining the integral part of the first pulse number as a second pulse number corresponding to the next first pulse number.
Optionally, the processing unit 502 is specifically configured to determine a quotient of the sum and a preset threshold value.
If the quotient is 1, adding 1 to the integer part of the next first pulse number to obtain a second pulse number corresponding to the next first pulse number; if the quotient is 0, the integer part of the first pulse number is determined as the second pulse number corresponding to the next first pulse number.
Optionally, the processing unit 502 is specifically configured to calculate, from a second pulse number of the multiple first pulse numbers, a sum of a remainder of pulses corresponding to a pulse number before the first pulse number and the decimal part; determining the pulse remainder corresponding to the first pulse number according to the sum of the pulse remainder corresponding to the previous pulse number and the decimal part; the pulse remainder corresponding to the first pulse number is the decimal part of the first pulse number.
Optionally, the processing unit 502 is specifically configured to calculate that the sum is greater than or equal to a preset threshold, and determine an absolute value of a difference between the sum and the preset threshold as a pulse remainder corresponding to the first pulse number.
And calculating the sum smaller than a preset threshold value, and determining the sum as a pulse remainder corresponding to the first pulse number.
Optionally, the processing unit 502 is specifically configured to calculate and divide a remainder by a preset threshold value, and determine the remainder as a pulse remainder corresponding to the first pulse number.
Optionally, the inkjet printing apparatus further comprises:
a determination unit 504 for determining a change in state of the initial pulse signal; wherein, the state comprises the state of level change and front and back pulse signals; wherein the level state comprises a high level or a low level; and determining the moving direction of the printing nozzle on the printing medium according to the change of the state of the initial pulse signal.
And a control unit 503, specifically configured to control the print head to perform inkjet printing on the print medium according to the moving direction and the moving distance.
The inkjet printing device provided by the embodiment of the application can execute the technical scheme of the inkjet printing method in any embodiment, the implementation principle and the beneficial effect of the inkjet printing device are similar to those of the inkjet printing method, the implementation principle and the beneficial effect of the inkjet printing method can be referred to, and the implementation principle and the beneficial effect of the inkjet printing method are not repeated herein.
Fig. 6 is a schematic structural diagram of another inkjet printing apparatus 60 provided in an embodiment of the present application, and for example, referring to fig. 6, the inkjet printing apparatus 60 may include a processor 601 and a memory 602;
wherein the content of the first and second substances,
the memory 602 is used for storing computer programs.
The processor 601 is configured to read the computer program stored in the memory 602, and execute the technical solution of the inkjet printing method in any of the embodiments according to the computer program in the memory 602.
Alternatively, the memory 602 may be separate or integrated with the processor 601. When the memory 602 is a device separate from the processor 601, the inkjet printing apparatus 60 may further include: a bus for connecting the memory 602 and the processor 601.
Optionally, this embodiment further includes: a communication interface, which may be connected to the processor 601 through a bus. Processor 601 may control the communication interface to implement the receiving and transmitting functions of inkjet printing device 60 described above.
The inkjet printing apparatus 60 shown in the embodiment of the present invention can execute the technical solution of the inkjet printing method in any of the above embodiments, and the implementation principle and the beneficial effect thereof are similar to those of the inkjet printing method, and reference may be made to the implementation principle and the beneficial effect of the inkjet printing method, which is not described herein again.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer-executable instruction is stored in the computer-readable storage medium, and when a processor executes the computer-executable instruction, the technical solution of the inkjet printing method in any of the above embodiments is implemented, and implementation principles and advantageous effects of the method are similar to those of the inkjet printing method, and reference may be made to the implementation principles and advantageous effects of the inkjet printing method, which are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts shown as units may or may not be physical units, may be located in one position, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present invention are not limited to only one bus or one type of bus.
The computer-readable storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
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 (12)
1. A method of inkjet printing, comprising:
when a printing control signal is received, generating an initial pulse signal, and performing conversion processing on the initial pulse signal to obtain a plurality of continuous same first pulse numbers corresponding to the printing control signal; wherein the first number of pulses comprises an integer portion and a fractional portion;
adjusting other first pulse numbers except the first pulse number based on a decimal part of the first pulse number in the plurality of first pulse numbers to obtain second pulse numbers corresponding to the other first pulse numbers; wherein, the second pulse number corresponding to the other first pulse numbers is an integer, and at least one second pulse number in the plurality of second pulse numbers is larger than the first pulse number corresponding to the second pulse number, and the integer part of the first pulse number is kept unchanged;
generating a pulse signal corresponding to the printing control signal according to the initial pulse signal, the integral part of the first pulse number and the plurality of second pulse numbers;
and controlling the printing nozzle to perform ink jet printing on the printing medium according to the pulse signal.
2. The method according to claim 1, wherein the adjusting the first pulse numbers other than the first pulse number based on the fractional part of the first pulse number in the plurality of first pulse numbers to obtain the second pulse numbers corresponding to the other first pulse numbers comprises:
determining a pulse remainder corresponding to each first pulse number in the plurality of first pulse numbers based on the decimal part of the first pulse number;
and adjusting the next first pulse number of the first pulse number according to the pulse remainder corresponding to the first pulse number to obtain a second pulse number corresponding to the next first pulse number.
3. The method according to claim 2, wherein the adjusting a first pulse number subsequent to the first pulse number according to a pulse remainder corresponding to the first pulse number to obtain a second pulse number corresponding to the first pulse number subsequent to the first pulse number comprises:
calculating the sum of a pulse remainder corresponding to the first pulse number and a decimal part;
and adjusting the next first pulse number according to the sum of the pulse remainder corresponding to the first pulse number and the decimal part to obtain a second pulse number corresponding to the next first pulse number.
4. The method according to claim 3, wherein the adjusting the subsequent first pulse number according to the sum of the remainder of the pulse corresponding to the first pulse number and the decimal part to obtain a second pulse number corresponding to the subsequent first pulse number comprises:
if the sum is larger than or equal to a preset threshold value, adding 1 to the integer part of the latter first pulse number to obtain a second pulse number corresponding to the latter first pulse number;
and if the sum is smaller than a preset threshold value, determining the integral part of the first pulse number as a second pulse number corresponding to the next first pulse number.
5. The method according to claim 3, wherein the adjusting the subsequent first pulse number according to the sum of the remainder of the pulse corresponding to the first pulse number and the decimal part to obtain a second pulse number corresponding to the subsequent first pulse number comprises:
determining the quotient of the sum and a preset threshold value;
if the quotient is 1, adding 1 to the integer part of the latter first pulse number to obtain a second pulse number corresponding to the latter first pulse number;
and if the quotient is 0, determining the integral part of the first pulse number as a second pulse number corresponding to the latter first pulse number.
6. The method of claim 2, wherein determining a pulse remainder for each of the plurality of first pulse numbers based on the fractional portion of the first pulse number comprises:
calculating the sum of a pulse remainder corresponding to a pulse number before the first pulse number and a decimal part from a second pulse number in the plurality of first pulse numbers;
determining a pulse remainder corresponding to the first pulse number according to the sum of the pulse remainder corresponding to the previous pulse number and the decimal part; and the pulse remainder corresponding to the first pulse number is a decimal part of the first pulse number.
7. The method of claim 6, wherein determining a pulse remainder corresponding to the first pulse number based on a sum of a pulse remainder corresponding to the previous pulse number and a decimal portion comprises:
calculating that the sum is greater than or equal to a preset threshold value, and determining the absolute value of the difference value between the sum and the preset threshold value as a pulse remainder corresponding to the first pulse number;
and calculating the sum smaller than a preset threshold value, and determining the sum as a pulse remainder corresponding to the first pulse number.
8. The method of claim 6, wherein determining a pulse remainder corresponding to the first pulse number based on a sum of a pulse remainder corresponding to the previous pulse number and a decimal portion comprises:
and calculating the remainder of dividing the sum by a preset threshold value, and determining the remainder as the pulse remainder corresponding to the first pulse number.
9. The method according to any one of claims 1-8, wherein controlling the print head to perform inkjet printing on the print medium according to the pulse signal comprises:
determining a change in state of the initial pulse signal; wherein, the state comprises the state of level change and front and back pulse signals; wherein the level state comprises a high level or a low level;
determining the moving direction of the printing spray head on the printing medium according to the change of the state of the initial pulse signal;
and controlling the printing nozzle to perform inkjet printing on the printing medium according to the movement direction and the movement distance.
10. An inkjet printing apparatus, characterized in that the apparatus comprises:
the conversion unit is used for generating an initial pulse signal when receiving a printing control signal, and performing conversion processing on the initial pulse signal to obtain a plurality of continuous same first pulse numbers corresponding to the printing control signal; wherein the first number of pulses comprises an integer portion and a fractional portion;
a processing unit, configured to adjust, based on a fractional part of a first pulse number of the plurality of first pulse numbers, other first pulse numbers except the first pulse number to obtain second pulse numbers corresponding to the other first pulse numbers; wherein, the second pulse number corresponding to the other first pulse numbers is an integer, and at least one second pulse number in the plurality of second pulse numbers is larger than the first pulse number corresponding to the second pulse number, and the integer part of the first pulse number is kept unchanged;
the processing unit is further used for generating a pulse signal corresponding to the printing control signal according to the initial pulse signal, the integral part of the first pulse number and the plurality of second pulse numbers;
and the control unit is used for controlling the printing nozzle to perform ink jet printing on a printing medium according to the movement distance corresponding to the pulse signal.
11. An inkjet printing apparatus comprising a memory and a processor; wherein the content of the first and second substances,
the memory for storing a computer program;
the processor is configured to read the computer program stored in the memory and execute an inkjet printing method according to any one of claims 1 to 9 according to the computer program in the memory.
12. A computer readable storage medium having computer executable instructions stored thereon which, when executed by a processor, implement an inkjet printing method as claimed in any one of claims 1 to 9.
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