CN111026341B - Precision adjusting method, device, equipment and medium for realizing arbitrary precision printing - Google Patents
Precision adjusting method, device, equipment and medium for realizing arbitrary precision printing Download PDFInfo
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- 238000007639 printing Methods 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 8
- 230000003111 delayed effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007641 inkjet printing Methods 0.000 description 4
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1203—Improving or facilitating administration, e.g. print management
- G06F3/1208—Improving or facilitating administration, e.g. print management resulting in improved quality of the output result, e.g. print layout, colours, workflows, print preview
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1253—Configuration of print job parameters, e.g. using UI at the client
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/38—Starting, stopping or resetting the counter
Abstract
The invention discloses a precision adjusting method, a device, equipment and a medium for realizing arbitrary precision printing, wherein the method comprises the following steps: acquiring pulse precision of printing equipment and printing precision of an image to be printed; acquiring subdivision coefficients of the pulse precision according to the pulse precision and the printing precision; splitting the pulse precision according to the subdivision coefficient to obtain intermediate precision; acquiring a counting coefficient of the intermediate precision according to the printing precision and the intermediate precision; and dividing the frequency of the intermediate precision according to the counting coefficient to obtain the printing precision. The invention can realize printing with arbitrary printing precision.
Description
Technical Field
The present invention relates to the field of inkjet printing technologies, and in particular, to a method, an apparatus, a device, and a medium for adjusting precision for implementing arbitrary precision printing.
Background
The inkjet printing technology refers to a technology of ejecting ink drops onto a printing medium through nozzles on a nozzle to obtain images or characters, the fineness degree of the images and the characters is mainly determined by pulse precision, the pulse precision refers to the number of dots which can be printed at most per inch in the transverse direction and the longitudinal direction of a printer, namely DPI, the pulse precision is determined by the resolution of a grating ruler arranged on the printing device, so that the maximum achievable pulse precision of one printing device is correspondingly determined when the grating ruler is selected, for example, the resolution of the grating ruler of one printing device is 180DPI, the pulse precision of 720DPI can be achieved at most through a frequency multiplier, and the printing precision of about 720 can be achieved through a frequency divider, but the printing precision which is not about 720 cannot be achieved, therefore, one printing device can only achieve printing with partial precision through the frequency multiplier and the frequency divider, and the diversified demands of the printing precision of people cannot be met.
Disclosure of Invention
The embodiment of the invention provides a precision adjusting method, a device, equipment and a medium for realizing random precision printing, which are used for solving the problem that printing equipment in the prior art cannot realize random precision printing.
In a first aspect, an embodiment of the present invention provides a method for adjusting accuracy for implementing arbitrary accuracy printing, where the method includes:
acquiring the pulse precision of the grating and the printing precision of an image to be printed;
acquiring subdivision coefficients of the pulse precision according to the pulse precision and the printing precision;
subdividing the pulse precision according to the subdivision coefficient to obtain intermediate precision;
acquiring a counting coefficient of the intermediate precision according to the printing precision and the intermediate precision;
and counting the intermediate precision according to the counting coefficient to obtain the printing precision.
Preferably, said subdividing said pulse accuracy in accordance with said subdivision coefficients to obtain intermediate accuracy comprises:
acquiring a clock frequency division value for splitting and counting the pulse signals of the grating according to the subdivision coefficient;
controlling a first counter to count according to the clock frequency division value to obtain a first count value;
controlling a second counter to count each pulse signal of the grating to obtain a second count value;
and obtaining the intermediate precision according to the first count value and the second count value.
Preferably, the obtaining the clock frequency division value for splitting and counting the pulse signal of the grating according to the subdivision coefficient includes:
acquiring a first clock frequency division value for splitting and counting each pulse signal of the grating according to the subdivision coefficient;
the controlling the first counter to count according to the clock frequency division value to obtain a first count value includes:
controlling a first counter to count according to the first clock frequency division value of each pulse signal to obtain a first count value of each pulse signal splitting;
preferably, the first clock division value is calculated by the following formula:
wherein N is time1 Representing the first clock frequency division value, f representing the system clock frequency, V printing speed, d representing the raster precision of the raster, and c representing the subdivision coefficient.
Preferably, the obtaining the clock frequency division value for splitting and counting the pulse signal of the grating according to the subdivision coefficient includes:
acquiring a second clock frequency division value for splitting and counting the first pulse signal of the grating according to the subdivision coefficient;
the controlling the first counter to count according to the clock frequency division value to obtain a first count value includes:
controlling a first counter to count according to the second clock frequency division value of the first pulse signal to obtain a first count value for splitting each pulse signal;
preferably, the second clock division value is calculated by the following formula:
wherein N is time2 Represents the second clock frequency division value, N num Representing the number of clocks used to pass through two adjacent grids on the raster, c representing the subdivision coefficient, depending on the print speed.
Preferably, the method further comprises:
when the triggering edge of the pulse signal is detected, the second count value is adjusted according to the subdivision coefficient to obtain a third count value, and meanwhile the first count value is cleared, the pulse signal comprises a first pulse signal and a second pulse signal, and the phase of the first pulse signal is advanced or delayed by 90 degrees relative to the phase of the second pulse signal;
the step of adjusting the second count value according to the subdivision coefficient to obtain a third count value includes:
when the detected trigger edge of the first pulse signal is the trigger edge of the first pulse signal, the third calculated value is calculated by the following formula:
P c2 ＝P c1 +c
when the detected trigger edge of the first pulse signal is the trigger edge of the second pulse signal, the third calculated value is calculated by the following formula:
P c2 ＝P c1 -c
wherein P is c1 Representing the second count value, P c2 Representing the third count value and c representing a subdivision coefficient.
Preferably, said counting said intermediate precision according to said count coefficient to obtain said printing precision includes:
determining a value for igniting the nozzle to discharge ink in the third counting value according to the counting coefficient to record an ink counting value;
and controlling the ink outlet of the spray head according to the ink outlet count value to obtain the printing precision.
Preferably, the acquiring the subdivision coefficient of the pulse precision according to the pulse precision and the printing precision includes:
acquiring the least common multiple of the pulse precision and the printing precision;
acquiring subdivision coefficients of the pulse precision according to the least common multiple and the pulse precision;
the obtaining the count coefficient of the intermediate precision according to the printing precision and the intermediate precision includes:
obtaining a counting coefficient of the intermediate precision according to the least common multiple and the printing precision;
wherein the least common multiple is equal to the intermediate precision.
In a second aspect, an embodiment of the present invention provides a precision adjustment apparatus for implementing arbitrary precision printing, the apparatus including:
the precision acquisition module is used for acquiring the pulse precision of the grating and the printing precision of the image to be printed;
the subdivision coefficient acquisition module is used for acquiring subdivision coefficients of the pulse precision according to the pulse precision and the printing precision;
the intermediate precision acquisition module is used for subdividing the pulse precision according to the subdivision coefficient to acquire intermediate precision;
the counting coefficient acquisition module is used for acquiring the counting coefficient of the intermediate precision according to the printing precision and the intermediate precision;
and the printing precision acquisition module is used for counting the intermediate precision according to the counting coefficient to obtain the printing precision.
In a third aspect, an embodiment of the present invention provides a precision adjusting apparatus that realizes arbitrary precision printing, including: at least one processor, at least one memory and computer program instructions stored in the memory, which when executed by the processor, implement the method as in the first aspect of the embodiments described above.
In a fourth aspect, embodiments of the present invention provide a storage medium having stored thereon computer program instructions which, when executed by a processor, implement a method as in the first aspect of the embodiments described above.
In summary, according to the method, the device, the equipment and the medium for realizing the precision adjustment of printing with any precision provided by the embodiment of the invention, the subdivision coefficient meeting the pulse precision and the printing precision is obtained according to the pulse precision and the printing precision, the pulse precision is split according to the subdivision coefficient to obtain the intermediate precision, and then the intermediate precision is recounted to obtain the printing precision, and the subdivision coefficient is obtained according to the pulse precision and the printing precision, so that the intermediate precision can meet the frequency division of the printing precision, the situation of no frequency division can be caused, and the printing with any printing precision is realized.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are needed to be used in the embodiments of the present invention will be briefly described, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a printing apparatus according to a first embodiment of the present invention.
Fig. 2 is a flowchart of a precision adjustment method for realizing arbitrary precision printing according to a second embodiment of the present invention.
Fig. 3 is a flowchart of a precision adjusting method for realizing arbitrary precision printing according to a third embodiment of the present invention.
Fig. 4 is a schematic diagram of pulse signals of a precision adjusting method for realizing arbitrary precision printing according to a third embodiment of the present invention.
Fig. 5 is a flowchart of a precision adjusting method for realizing arbitrary precision printing according to a fourth embodiment of the present invention.
Fig. 6 is a flowchart of a precision adjusting method for realizing arbitrary precision printing according to a fifth embodiment of the present invention.
Fig. 7 is a flowchart of a precision adjusting method for realizing arbitrary precision printing according to a sixth embodiment of the present invention.
Fig. 8 is a schematic structural view of an accuracy adjusting device for arbitrary accuracy printing according to a seventh embodiment of the present invention.
Fig. 9 is a schematic structural view of an accuracy adjusting apparatus for arbitrary accuracy printing according to an eighth embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 other like elements in a process, method, article or apparatus that comprises the element.
Referring to fig. 1, an embodiment of the present invention provides an inkjet printing apparatus, where the inkjet printing apparatus includes a print carriage 1, a support beam 2, and a print platform 3, the print carriage 1 can reciprocate along the support beam 2, an inkjet printhead (not shown in the drawing) for ejecting ink is mounted on the print carriage 1, and the print carriage 1 controls the inkjet printhead to eject ink droplets to a print medium placed on the print platform 3 during the reciprocation along the support beam 2 to obtain a print product. The accuracy of the printed product in the direction along the support beam 2 is determined by the resolution of the grating scale mounted on the support beam 2.
Referring to fig. 2, an embodiment of the present invention provides a precision adjustment method for implementing arbitrary precision printing, including the following steps:
s1, acquiring pulse precision of a grating and printing precision of an image to be printed;
the pulse precision of the grating in the printing equipment is the precision obtained by multiplying the resolution of the grating ruler by a frequency multiplier, in the embodiment, the subdivision method adopted by the frequency multiplier is a quadruple frequency method, the quadruple frequency method is that four photoelectric elements which are evenly arranged in a moire fringe interval are used for obtaining four grating signals with the phase difference of 90 degrees, and the four grating signals become the required pulse precision obtained by quadruple frequency counting pulse through a counting circuit and a coding circuit; if the resolution of the grating ruler of the printing device is 180dpi, the frequency multiplication precision of the frequency multiplier is 720dpi, and the pulse precision of the printing device is 720dpi.
S2, acquiring subdivision coefficients of the pulse precision according to the pulse precision and the printing precision;
specifically, the least common multiple of the pulse precision and the printing precision is obtained, and the subdivision coefficient of the pulse precision is obtained according to the least common multiple and the pulse precision; wherein the least common multiple is equal to the intermediate precision. As in the present embodiment, the pulse accuracy is 720dpi, the printing accuracy is 480dpi, the least common multiple thereof is 1440dpi, and the subdivision coefficient of the pulse accuracy is 2; as in the other embodiment, the pulse accuracy is 720dpi, the printing accuracy is 540dpi, the least common multiple thereof is 2160dpi, and the subdivision coefficient of the pulse accuracy is 3.
S3, subdividing the pulse precision according to the subdivision coefficient to obtain intermediate precision;
specifically, referring to fig. 3, the step S3 specifically includes the following steps:
s31, acquiring a clock frequency division value for splitting and counting pulse signals of the grating according to the subdivision coefficient;
s32, controlling a first counter to count according to the clock frequency division value to obtain a first count value;
s33, controlling a second counter to count each pulse signal of the grating to obtain a second count value;
s34, obtaining the intermediate precision according to the first count value and the second count value.
Specifically, the original clock frequency division value of the nozzle during each ink discharge in the process of printing according to the pulse precision in the program system is obtained, the original clock frequency division value is split according to the subdivision coefficient to obtain a split clock frequency division value, then a first counter in the system is adopted to count the clock frequency division value, a second counter is adopted to count pulse signals, finally the first count value and the second count value are added or subtracted to obtain the intermediate precision, and errors generated by one counter can be avoided by adopting the two counters.
Preferably, when the trigger edge of the pulse signal is detected, the second count value adds or subtracts the subdivision coefficient value to obtain a third count value, and the first count value is cleared, so that not only the generation of a count error can be avoided, but also the error of a certain counter can be eliminated. Wherein, as shown in FIG. 4, the pulse signal comprises a first pulse signal P A And a second pulse signal P B The phase of the first pulse signal leads the phase of the second pulse signal by 90 °.
Specifically, when the detected trigger edge of the first pulse signal is the first pulse signal P A The third count value P c2 Calculated by the following formula:
P c2 ＝P c1 +c
when the detected trigger edge of the first pulse signal is the second pulse signal P B The third count value P c2 Calculated by the following formula:
P c2 ＝P c1 -c
wherein P is c1 Representing the second count value, P c2 Representing the third count value and c representing a subdivision coefficient.
In another embodiment, the phase of the first pulse signal lags behind the phase of the second pulse signal by 90 °, and the calculation method of the third calculated value is the same as the calculation method of the above embodiment.
Preferably, referring to fig. 5, in this embodiment, the step S31 specifically includes:
s311, acquiring a first clock frequency division value for splitting and counting each pulse signal of the grating according to the subdivision coefficient;
s312, controlling a first counter to count according to the first clock frequency division value of each pulse signal to obtain a first count value of each pulse signal splitting;
specifically, the method includes the steps of splitting each pulse signal to obtain a first clock frequency division value of each pulse signal, counting the first clock frequency division value of each pulse signal, accurately obtaining a count value of each pulse signal, if splitting the first pulse signal according to the first clock frequency division value of the first pulse signal, counting by a first counter when the system counts to pass the first clock frequency division value of the first pulse signal, wherein the first count value is 0, adding 1 to the first counter on the basis of the first count value when the system counts to pass the first clock frequency division value of the first pulse signal again, and resetting the first count value of the first counter until the next rising edge of the pulse signal is encountered; splitting the second pulse signal according to the first clock frequency division value of the second pulse signal, starting counting by the first counter when the system counts the first clock frequency division value of the second pulse signal, wherein the first count value is 0, adding 1 to the first count value by the first counter when the system counts the first clock frequency division value of the second pulse signal again, and resetting the first count value of the first counter until the rising edge of the pulse signal is encountered next time; the first count value of each pulse signal is thus repeatedly counted.
The first clock frequency division value N time1 Obtained by calculation by the following formula:
wherein f represents the system clock frequency, V is printed the speed, d represents the grid precision of the grating ruler, c represents the subdivision coefficient, and the printing speed is the speed that the printing trolley moves along the supporting beam. For example, in the present embodiment, the system clock frequency f is 100000000, the printing speed V is 1000mm/s, the grid precision d of the grating scale is 180dpi, the subdivision coefficient is 3, and the obtained clock frequency division value N is calculated time1 ＝882。
Preferably, referring to fig. 6, in another embodiment, the step S31 specifically includes:
s321, acquiring a second clock frequency division value for splitting and counting a first pulse signal of the grating according to the subdivision coefficient;
s322, controlling a first counter to count according to the second clock frequency division value of the first pulse signal to obtain a first count value for splitting each pulse signal;
specifically, the method includes the steps of splitting a first pulse signal to obtain a second clock frequency division value of the first pulse signal, then splitting and counting each pulse signal according to the second clock frequency division value of the first pulse signal, for example, splitting the first pulse signal according to the second clock frequency division value of the first pulse signal, counting by a first counter when the system counts to pass the second clock frequency division value of the first pulse signal, wherein the first count value is 0, adding 1 to the first count value on the basis of the first count value when the system counts to pass the second clock frequency division value of the first pulse signal again, and resetting the first count value of the first counter until the next rising edge of the pulse signal is encountered; splitting the second pulse signal according to the second clock frequency division value of the first pulse signal, starting counting by the first counter when the system counts the second clock frequency division value of the first pulse signal, wherein the first count value is 0, adding 1 to the first count value by the first counter when the second clock frequency division value of the first pulse signal is counted again, and resetting the first count value of the first counter until the rising edge of the pulse signal is encountered next time; the first count value of each pulse signal is thus repeatedly counted. The adoption of the subdivision method avoids the deviation of counting caused by inconsistent pulse signal intervals due to uneven grids on the grating ruler,
the second clock frequency division value N time Obtained by calculation by the following formula:
wherein N is num Representing the number of clocks used to pass through two adjacent grids on the raster, c representing the subdivision coefficient, depending on the print speed.
S4, acquiring a counting coefficient of the intermediate precision according to the printing precision and the intermediate precision;
specifically, acquiring a subdivision coefficient of the intermediate precision according to the least common multiple and the printing precision; wherein the least common multiple is equal to the intermediate precision. As in the present embodiment, the pulse accuracy is 720dpi, the printing accuracy is 480dpi, the least common multiple thereof is 1440dpi, and the count coefficient of the intermediate accuracy is 3; as in the other embodiment, the pulse accuracy is 720dpi, the printing accuracy is 540dpi, the least common multiple thereof is 2160dpi, and the subdivision coefficient of the intermediate accuracy is 4.
S5, frequency division is carried out on the intermediate precision according to the counting coefficient to obtain the printing precision.
Specifically, referring to fig. 7, the step S5 specifically includes the following steps:
s51, determining a value for igniting the nozzle to discharge ink in the third counting value according to the counting coefficient, and recording an ink counting value;
and S52, controlling the ink outlet of the nozzle according to the ink outlet count value to obtain the printing precision.
Specifically, if the third count value is 0, 1, 2, 3, 4, 5, 6, 7, … … 1437, 1439, 1440, and the count coefficient is 3, when the third count value is 0, 3, 6, 9 … … N, N is a natural number, the system controls the nozzle to fire out ink for printing, and the precision of the printed image is 480dpi.
Referring to fig. 8, an embodiment of the present invention provides a precision adjusting apparatus for implementing arbitrary precision printing, the apparatus including:
the precision acquisition module 10 is used for acquiring the pulse precision of the grating and the printing precision of the image to be printed;
a subdivision coefficient acquisition module 20, configured to acquire a subdivision coefficient of the pulse precision according to the pulse precision and the printing precision;
an intermediate precision obtaining module 30, configured to subdivide the pulse precision according to the subdivision coefficient to obtain an intermediate precision;
a count coefficient obtaining module 40, configured to obtain a count coefficient of the intermediate precision according to the printing precision and the intermediate precision;
and the printing precision obtaining module 50 is configured to count the intermediate precision according to the count coefficient to obtain the printing precision.
Preferably, the intermediate accuracy acquisition module 30 includes:
the clock frequency division value acquisition unit is used for acquiring a clock frequency division value for splitting and counting the pulse signals of the grating according to the subdivision coefficient;
the first count value acquisition unit is used for controlling the first counter to count according to the clock frequency division value to acquire a first count value;
the second count value acquisition unit is used for controlling a second counter to count each pulse signal of the grating to acquire a second count value;
and the intermediate precision acquisition unit is used for acquiring the intermediate precision according to the first count value and the second count value.
Preferably, the clock division value acquisition unit further includes: the first clock frequency division value is used for carrying out split counting on each pulse signal of the grating according to the subdivision coefficient;
the first count value acquisition unit further includes: and the first counter is used for controlling the first counter to count according to the first clock frequency division value of each pulse signal so as to obtain a first count value of each pulse signal split.
Preferably, the first clock divider value N time1 Obtained by calculation by the following formula:
wherein f represents the system clock frequency, V the printing speed, d represents the grid precision of the grating ruler, and c represents the subdivision coefficient.
Preferably, the clock division value acquisition unit further includes: the second clock frequency division value is used for carrying out split counting on the first pulse signal of the grating according to the subdivision coefficient;
the first count value acquisition unit further includes: and the first counter is used for controlling the first counter to count according to the second clock frequency division value of the first pulse signal to obtain a first count value for splitting each pulse signal.
Preferably, the second clock frequency division value N time2 Obtained by calculation by the following formula:
wherein N is num Representing the number of clocks used to pass through two adjacent grids on the raster, c representing the subdivision coefficient, depending on the print speed.
Preferably, the apparatus further comprises:
the counter zero clearing module is used for adjusting the second count value according to the subdivision coefficient to obtain a third count value and clearing the first count value when the trigger edge of the pulse signal is detected, the pulse signal comprises a first pulse signal and a second pulse signal, and the phase of the first pulse signal is advanced or delayed by 90 degrees relative to the phase of the second pulse signal;
the step of adjusting the second count value according to the subdivision coefficient to obtain a third count value includes:
when the detected trigger edge of the first pulse signal is the trigger edge of the first pulse signal, the third count value P c2 Calculated by the following formula:
P c2 ＝P c1 +c
when the detected trigger edge of the first pulse signal is the trigger edge of the second pulse signalAt the time, the third calculated value P c2 Calculated by the following formula:
P c2 ＝P c1 -c
wherein P is c1 Representing the second count value, P c2 Representing the third count value and c representing a subdivision coefficient.
Preferably, the print accuracy acquisition module 50 includes:
an ink-out count value unit for determining the value for igniting the nozzle to output ink in the third count value according to the count coefficient to record an ink-out count value;
and the printing precision acquisition unit is used for controlling the ink outlet of the spray head according to the ink outlet count value to obtain the printing precision.
Preferably, the subdivision coefficient obtaining module 20 includes:
the minimum common multiple obtaining unit is used for obtaining the minimum common multiple of the pulse precision and the printing precision;
the subdivision coefficient acquisition unit is used for acquiring subdivision coefficients of the pulse precision according to the least common multiple and the pulse precision;
the count coefficient acquisition module 40 includes:
the counting coefficient acquisition unit is used for acquiring the counting coefficient of the intermediate precision according to the least common multiple and the printing precision;
wherein the least common multiple value is equal to the intermediate precision value.
In addition, the accuracy adjustment method for realizing arbitrary accuracy printing of the embodiment of the present invention described in connection with fig. 2 may be realized by an accuracy adjustment apparatus for realizing arbitrary accuracy printing. Fig. 9 shows a schematic hardware configuration of a precision adjusting apparatus for realizing arbitrary precision printing provided by an embodiment of the present invention.
The precision adjusting apparatus that realizes arbitrary precision printing may include a processor 401 and a memory 402 storing computer program instructions.
In particular, the processor 401 described above may include a Central Processing Unit (CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured as one or more integrated circuits implementing embodiments of the present invention.
Memory 402 may include mass storage for data or instructions. By way of example, and not limitation, memory 402 may comprise a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or universal serial bus (Universal Serial Bus, USB) Drive, or a combination of two or more of the foregoing. Memory 402 may include removable or non-removable (or fixed) media, where appropriate. Memory 402 may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory 402 is a non-volatile solid state memory. In a particular embodiment, the memory 402 includes Read Only Memory (ROM). 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, where appropriate.
The processor 401 reads and executes the computer program instructions stored in the memory 402 to realize any one of the above-described embodiments to realize the precision adjustment method of arbitrary precision printing.
In one example, a precision adjustment device that implements arbitrary precision printing may also include a communication interface 403 and a bus 410. As shown in fig. 9, the processor 401, the memory 402, and the communication interface 403 are connected to each other by a bus 410 and perform communication with each other.
The communication interface 403 is mainly used to implement communication between each module, device, unit and/or apparatus in the embodiment of the present invention.
The bus 410 includes hardware, software, or both, coupling components of a precision adjusting device that implements arbitrary precision printing to each other. By way of example, and not limitation, the buses 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 the above. Bus 410 may include one or more buses, where appropriate. Although embodiments of the invention have been described and illustrated with respect to a particular bus, the invention contemplates any suitable bus or interconnect.
In addition, in combination with the method for adjusting the precision of printing with any precision in the above embodiments, embodiments of the present invention may be implemented by providing a computer-readable storage medium. The computer readable storage medium has stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement any of the above embodiments of a precision adjustment method for implementing arbitrary precision printing.
In summary, according to the method, the device, the equipment and the medium for adjusting the precision for realizing the printing with any precision provided by the embodiment of the invention, the subdivision coefficient meeting the pulse precision and the printing precision is obtained according to the pulse precision and the printing precision, the pulse precision is split according to the subdivision coefficient to obtain the intermediate precision, and then the intermediate precision is divided to obtain the printing precision, and the subdivision coefficient is obtained according to the pulse precision and the printing precision, so that the intermediate precision can meet the frequency division of the printing precision, the situation that the frequency division cannot be realized is avoided, and the printing with any printing precision is realized.
It should be understood that the invention is not limited to the particular arrangements and instrumentality described above and shown in the drawings. For the sake of brevity, a detailed description of known methods is omitted here. 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 shown, and those skilled in the art can make various changes, modifications and additions, or change the order between steps, after appreciating the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented in 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, a plug-in, a 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 over transmission media or communication links by a data signal carried in a carrier wave. A "machine-readable medium" may include any medium that can store or transfer information. Examples of machine-readable media include electronic circuitry, 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 the like. The code segments may be downloaded via computer networks such as the internet, intranets, etc.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
Claims (11)
1. A precision adjustment method for realizing arbitrary precision printing, the method comprising:
acquiring the pulse precision of the grating and the printing precision of an image to be printed;
acquiring subdivision coefficients of the pulse precision according to the pulse precision and the printing precision;
subdividing the pulse precision according to the subdivision coefficient to obtain intermediate precision, including: acquiring a clock frequency division value for splitting and counting the pulse signals of the grating according to the subdivision coefficient; controlling a first counter to count according to the clock frequency division value to obtain a first count value; controlling a second counter to count each pulse signal of the grating to obtain a second count value; adding or subtracting the first count value and the second count value to obtain the intermediate precision;
acquiring a counting coefficient of the intermediate precision according to the printing precision and the intermediate precision;
and counting the intermediate precision according to the counting coefficient to obtain the printing precision.
2. The method for adjusting precision for implementing arbitrary precision printing according to claim 1, wherein the obtaining the clock division value for splitting and counting the pulse signal of the raster according to the subdivision coefficient includes:
acquiring a first clock frequency division value for splitting and counting each pulse signal of the grating according to the subdivision coefficient;
the controlling the first counter to count according to the clock frequency division value to obtain a first count value includes:
and controlling a first counter to count according to the first clock frequency division value of each pulse signal to obtain a first count value of each pulse signal split.
3. The method for adjusting precision for implementing arbitrary precision printing as defined in claim 2, wherein said first clock division value N time1 Obtained by calculation by the following formula:
wherein f represents the system clock frequency, V the printing speed, d represents the grid precision of the grating ruler, and c represents the subdivision coefficient.
4. The method for adjusting precision for implementing arbitrary precision printing according to claim 1, wherein the obtaining the clock division value for splitting and counting the pulse signal of the raster according to the subdivision coefficient includes:
acquiring a second clock frequency division value for splitting and counting the first pulse signal of the grating according to the subdivision coefficient;
the controlling the first counter to count according to the clock frequency division value to obtain a first count value includes:
and controlling a first counter to count according to the second clock frequency division value of the first pulse signal to obtain a first count value for splitting each pulse signal.
5. The method for adjusting precision for implementing arbitrary precision printing as defined in claim 4, wherein said second clock division value N time2 Obtained by calculation by the following formula:
wherein N is num Representing the number of clocks used to pass through two adjacent grids on the raster, c representing the subdivision coefficient, depending on the print speed.
6. A precision adjusting method for realizing arbitrary precision printing according to claim 2 or 3, characterized in that the method further comprises:
when the triggering edge of the pulse signal is detected, the second count value is adjusted according to the subdivision coefficient to obtain a third count value, and meanwhile the first count value is cleared, the pulse signal comprises a first pulse signal and a second pulse signal, and the phase of the first pulse signal is advanced or delayed by 90 degrees relative to the phase of the second pulse signal;
the step of adjusting the second count value according to the subdivision coefficient to obtain a third count value includes:
when the detected trigger edge of the first pulse signal is the trigger edge of the first pulse signal, the third count value P c2 Calculated by the following formula:
P c2 ＝P c1 +c
when the detected trigger edge of the first pulse signal is the trigger edge of the second pulse signal, the third count value P c2 Calculated by the following formula:
P c2 ＝P c1 -c
wherein P is c1 Representing the second count value, P c2 Representing the third count value and c representing a subdivision coefficient.
7. The method for adjusting precision for implementing arbitrary precision printing according to claim 6, wherein said counting said intermediate precision according to said count coefficient to obtain said printing precision comprises:
determining a value for igniting the nozzle to discharge ink in the third counting value according to the counting coefficient to record an ink counting value;
and controlling the ink outlet of the spray head according to the ink outlet count value to obtain the printing precision.
8. The method for adjusting the precision of printing according to any one of claims 1 to 5, wherein,
the obtaining the subdivision coefficient of the pulse precision according to the pulse precision and the printing precision comprises the following steps:
acquiring the least common multiple of the pulse precision and the printing precision;
acquiring subdivision coefficients of the pulse precision according to the least common multiple and the pulse precision;
the obtaining the count coefficient of the intermediate precision according to the printing precision and the intermediate precision includes:
obtaining a counting coefficient of the intermediate precision according to the least common multiple and the printing precision;
wherein the least common multiple value is equal to the intermediate precision value.
9. A precision adjusting device for realizing arbitrary precision printing, the device comprising:
the precision acquisition module is used for acquiring the pulse precision of the grating and the printing precision of the image to be printed;
the subdivision coefficient acquisition module is used for acquiring subdivision coefficients of the pulse precision according to the pulse precision and the printing precision;
the intermediate precision obtaining module is configured to subdivide the pulse precision according to the subdivision coefficient to obtain an intermediate precision, and includes: acquiring a clock frequency division value for splitting and counting the pulse signals of the grating according to the subdivision coefficient; controlling a first counter to count according to the clock frequency division value to obtain a first count value; controlling a second counter to count each pulse signal of the grating to obtain a second count value; adding or subtracting the first count value and the second count value to obtain the intermediate precision;
the counting coefficient acquisition module is used for acquiring the counting coefficient of the intermediate precision according to the printing precision and the intermediate precision;
and the printing precision acquisition module is used for counting the intermediate precision according to the counting coefficient to obtain the printing precision.
10. An accuracy adjusting apparatus that realizes arbitrary accuracy printing, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of any one of claims 1-8.
11. A storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method of any of claims 1-8.
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| CN111721210B (en) * | 2020-06-19 | 2021-11-12 | 深圳市汉森软件有限公司 | Initialization method, device, equipment and medium after conversion of logical raster resolution |
| CN114055932B (en) * | 2020-07-30 | 2022-10-21 | 深圳市汉森软件有限公司 | Method, device and equipment for printing on surface of rotating body and storage medium |
| CN112158016B (en) * | 2020-08-18 | 2021-11-05 | 固高科技股份有限公司 | Engraving method and device based on frequency division and frequency multiplication, computer equipment and storage medium |
| CN114347650B (en) * | 2020-10-13 | 2023-06-09 | 深圳市汉森软件有限公司 | Image precision self-adaptive printing method, device, equipment and storage medium |
| CN114379228B (en) * | 2020-10-16 | 2023-02-21 | 森大（深圳）技术有限公司 | Cylindrical surface printing control method, device, printer and storage medium |
| CN112776492B (en) * | 2020-12-31 | 2022-11-08 | 苏州工业园区鑫海胜电子有限公司 | Printing method without physical grating |
| CN115447282B (en) * | 2021-06-08 | 2023-08-15 | 深圳市汉森软件有限公司 | Abnormal nozzle compensation printing method, device, equipment and storage medium |
| CN114347679B (en) * | 2021-12-31 | 2022-11-29 | 东莞市启思达智能技术有限公司 | Variable-precision signal processing method and system |
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