CN116968436B - Multi-shaft and multi-nozzle ink-jet controller - Google Patents
Multi-shaft and multi-nozzle ink-jet controller Download PDFInfo
- Publication number
- CN116968436B CN116968436B CN202311138504.5A CN202311138504A CN116968436B CN 116968436 B CN116968436 B CN 116968436B CN 202311138504 A CN202311138504 A CN 202311138504A CN 116968436 B CN116968436 B CN 116968436B
- Authority
- CN
- China
- Prior art keywords
- unit
- data
- ink
- jet
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000872 buffer Substances 0.000 claims abstract description 76
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000007641 inkjet printing Methods 0.000 claims abstract description 15
- 238000007639 printing Methods 0.000 claims description 51
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000004148 unit process Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000004590 computer program Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
-
- 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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04563—Control methods or devices therefor, e.g. driver circuits, control circuits detecting head temperature; Ink temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
Landscapes
- Ink Jet (AREA)
Abstract
The invention relates to the technical field of ink-jet controllers and discloses a multi-shaft and multi-nozzle ink-jet controller which comprises an upper computer, a collecting unit, a central control unit, an adjusting unit, an ink-jet unit, a data processing unit, a buffer unit, a calibration unit and a driving unit, wherein the upper computer is used for transmitting data to be printed, the collecting unit is used for collecting data during ink-jet printing, the central control unit receives the data collected by the collecting unit and calculates a temperature value W, the adjusting unit receives the temperature value W and adjusts the temperature of an ink-jet head in the ink-jet unit.
Description
Technical Field
The invention relates to the technical field of inkjet controllers, in particular to a multi-shaft multi-nozzle inkjet controller.
Background
The ink jet technology is to spray hot wax or ink with high light resistance on a silk screen coated with photoresist, then to carry out full-page exposure, the photoresist covered by the photoresist dots is washed out due to the non-visible light, when the ink jet imaging system is used, the silk screen photoresist is coated on the silk screen and dried, the photoresist ink is sprayed on a photosensitive layer through a spraying system, after the ink is dried, the full-page exposure is carried out by ultraviolet rays, the non-ink-jet part is hardened by the visible light, and the ink-jet part is washed out to form an image-text part of the screen;
the ink jet technology can print by inputting information stored in an electronic computer into an ink jet printer, the ink jet technology is divided into a continuous ink jet technology and a random ink jet technology, the ink jet printer is generally provided with three or four printing spray heads so as to print Huang Gongqing black and four colors, when an image is printed, the spray heads rapidly sweep printing paper, and simultaneously nozzles on the spray heads can spray innumerable small ink drops to form pixels in the image, and the parts of the ink jet printer have the characteristics of very precise structure, small volume, simple and convenient operation and low printing noise;
when performing ink jet printing, the temperature of the ink jet head is generally required to be detected, but when the ink jet head is only detected, the temperature of the ink jet head is influenced by the ambient temperature, so that the temperature of the ink jet head fluctuates, and when the temperature fluctuates, the adjustment is performed again, and the adjustment is delayed, so that the temperature of the ink jet head cannot be timely adjusted, and the quality of the ink jet printing is further influenced;
when the picture to be printed is larger, more data need to be transmitted at the moment, and the speed of a large amount of data is slower when being transmitted, so that the efficiency of ink-jet printing can be reduced, and when the picture to be printed is printed, the position of the ink-jet head is deviated or the initial position of the picture to be printed is not accurate enough, and adverse effects can be caused on the printing precision.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a multi-axis, multi-nozzle inkjet controller to solve the technical problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the multi-axis multi-nozzle ink-jet controller comprises an upper computer, an acquisition unit, a central control unit, an adjustment unit, an ink-jet unit, a data processing unit, a buffer unit, a calibration unit and a driving unit, wherein the upper computer is used for transmitting data to be printed, the acquisition unit is used for acquiring the data during ink-jet printing, the central control unit is used for receiving the data acquired by the acquisition unit and calculating a temperature value W, the adjustment unit is used for receiving the temperature value W and adjusting the temperature of an ink-jet head in the ink-jet unit, the data processing unit is used for carrying out serial-parallel conversion on the data transmitted by the upper computer, the buffer unit is used for receiving the data after serial-parallel conversion and buffering, the central control unit is used for receiving the buffered data and controlling the ink-jet unit to carry out printing work, the calibration unit is used for calibrating the ink-jet unit, and the driving unit is used for driving the ink-jet unit to move to a preset position;
the acquisition unit acquires self temperature data PW of the ink jet unit, external temperature data HW and time SJ required by ink jet, the acquisition unit transmits the acquired data to the central control unit, the central control unit receives the data transmitted by the acquisition unit and calculates the data as a temperature value W, and a calculation formula of the temperature value W is that
Wherein k1 and k2 are weights, k1 is more than or equal to 0 and less than or equal to 1, k2 is more than or equal to 0 and less than or equal to 1, k1+k2=1, eta is a correlation coefficient of the temperature of the ink jet unit along with the change of the ambient temperature, and the central control unit sends the calculated temperature value W to the regulating unit.
In a preferred embodiment, the adjusting unit comprises an analyzing module and an adjusting module, the analyzing module receives the temperature value W and compares the temperature value W with a lower threshold value X and an upper threshold value S in the analyzing module, when the temperature value W is less than or equal to the lower threshold value X, the analyzing module sends a heating instruction to the adjusting module, when the lower threshold value X is less than the temperature value W and less than the upper threshold value S, the analyzing module is in a standby state, when the temperature value W is more than the upper threshold value S, the analyzing module sends a cooling instruction to the adjusting module, the adjusting module receives the heating instruction, the temperature of the ink-jet unit is increased, the adjusting module receives the cooling instruction, heat dissipation is carried out on the ink-jet unit, and the temperature of the ink-jet unit is reduced.
In a preferred embodiment, the data processing unit performs serial-parallel conversion on data sent by the upper computer, converts data serially transmitted in the upper computer into data transmitted in parallel, performs serial-parallel conversion in a synchronous time sequence mode, and sends the data of the upper computer to the buffer unit in a parallel transmission mode after the data processing unit processes the data.
In a preferred embodiment, the buffer unit includes a selection module, a first buffer area and a second buffer area, where the selection module is configured to alternately send the data sent by the data processing unit to the first buffer area and the second buffer area, and send the data received by the selection module to the first buffer area when the data reaches an upper limit value, and send the data to the second buffer area when the data reaches the upper limit value again, and the data is repeatedly alternated, where the upper limit value is within 24k to 64k, and a specific value of the data is set by a user.
In a preferred embodiment, after the first buffer area and the second buffer area buffer data, the data is sent to the central control unit, and after the first buffer area and the second buffer area send data, the sent data is synchronously transmitted to the storage unit for storage, and when the storage unit stores the data, the first buffer area and the second buffer area are combined according to the sending sequence and then stored.
In a preferred embodiment, the central control unit controls the inkjet unit to perform inkjet printing in a multi Pass mode, the printing width is three centimeters each time, the printing precision in each printing width is 150PI, the printing precision is adjusted when the precision required for the last printing is 200PI or less, and the printing is divided into two times when the precision of the last printing is 200PI or more, and the printing precision of the first printing is 150PI.
In a preferred embodiment, the calibration unit is used for calibrating the inkjet heads in the inkjet unit, and the calibration unit comprises a transverse calibration module and a longitudinal calibration module, the transverse calibration module prints a series of vertical lines at fixed intervals by using a black head reference head, the rest inkjet heads except for the black head print a series of vertical lines at the same fixed intervals, the black head is the same as the printing center of the rest inkjet heads, the offset of the vertical lines printed by the rest inkjet heads which are most flush with the vertical lines printed by the black head is the offset, and the rest inkjet heads in the inkjet unit are adjusted by the offset length.
In a preferred embodiment, the longitudinal calibration module uses the black head as a reference head, prints a transverse line, and the rest of the ink-jet heads outside the black head synchronously print the transverse line, wherein the transverse line printed by the black head is a reference line, the offset of the transverse line which is most aligned with the reference line is used as a compensation value, and the rest of the ink-jet heads in the ink-jet unit are adjusted according to the length of the compensation value.
In a preferred embodiment, the driving unit is used for driving the position of the ink jet unit to enable the ink jet unit to reach a preset position for performing ink jet operation, the driving unit adopts a motor for driving, the motor rotation speed is controlled by a PID controller, and a control formula of the PID controller is that
Where y (T) is the output signal of the PID controller, kp is the proportionality coefficient of the controller, T is the single control event of the controller, e (T) is the error signal, T1 is the integration time of the controller, and T2 is the differential time of the controller.
The invention has the technical effects and advantages that:
1. according to the invention, by collecting the self temperature data PW of the ink-jet unit, the external temperature data HW and the time SJ required by ink-jet, errors caused by the influence of the environment on the ink-jet head which is not considered can be prevented, and the finally calculated temperature value W has certain prediction performance, so that the temperature of the ink-jet unit is not delayed during temperature adjustment, and the temperature of the ink-jet unit after adjustment is ensured to be accurate and timely enough;
2. the invention carries out serial-parallel conversion on the data sent by the upper computer through the data processing unit, adopts a parallel transmission mode, improves the data transmission efficiency, further improves the printing speed, and ensures the stability of the data after serial-parallel conversion by adopting a synchronous time sequence mode;
3. according to the invention, the first buffer area and the second buffer area are arranged, and are used alternately, so that the workload is reduced each time the buffered data is within 24-64 k, and the data application can not be performed quickly when the buffer is more in a mode of mutually matching the two buffer areas, thereby improving the printing speed and the data processing speed of the application;
4. the invention adjusts the position of the ink jet head in the ink jet unit through the transverse calibration module and the longitudinal calibration module, ensures that the position of the ink jet head is accurate enough when in work, adopts the PID controller to control, calculates the control quantity according to the error of each printing by utilizing proportion, integral and derivative to control, further adjusts the precision of the next printing, avoids the accumulation of the printing error and ensures the precision degree of the ink jet printing.
Drawings
FIG. 1 is a schematic diagram of the overall system configuration of the present invention.
Detailed Description
The embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the multi-axis and multi-head inkjet controller according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Referring to fig. 1, the invention provides a multi-axis multi-nozzle ink-jet controller, which comprises an upper computer, a collecting unit, a central control unit, an adjusting unit, an ink-jet unit, a data processing unit, a buffer unit, a calibration unit and a driving unit, wherein the upper computer is used for transmitting data to be printed, the collecting unit is used for collecting data during ink-jet printing, the central control unit receives the data collected by the collecting unit and calculates a temperature value W, the adjusting unit receives the temperature value W and adjusts the temperature of an ink-jet head in the ink-jet unit, the data processing unit is used for converting the data transmitted by the upper computer into serial and parallel data, the buffer unit receives the serial and parallel converted data and buffers the data, the central control unit is used for receiving the buffered data and controlling the ink-jet unit to perform printing work, the calibration unit is used for calibrating the ink-jet unit, and the driving unit is used for driving the ink-jet unit to move to a preset position;
the acquisition unit acquires self temperature data PW of the ink jet unit, external temperature data HW and time SJ required by ink jet, the acquisition unit transmits the acquired data to the central control unit, the central control unit receives the data transmitted by the acquisition unit and calculates the data as a temperature value W, and a calculation formula of the temperature value W is that
Wherein k1 and k2 are weights, k1 is more than or equal to 0 and less than or equal to 1, k2 is more than or equal to 0 and less than or equal to 1, k1+k2=1, eta is a correlation coefficient of the temperature of the ink jet unit along with the change of the ambient temperature, and the central control unit sends the calculated temperature value W to the regulating unit.
In this embodiment of the present application, the collecting unit collects the self temperature data PW of the inkjet unit, the external temperature data HW and the time SJ required for inkjet, when the inkjet unit is used, the temperature of the inkjet unit needs to be set and kept stable, and when the temperature of the inkjet unit is collected separately, the inkjet unit can rapidly raise the temperature in a high-temperature environment, and when the inkjet unit is used for a long time, the service time is longer, the temperature is accumulated and can continuously raise, so when the temperature is regulated, if the temperature is found to change, hysteresis exists when the temperature is regulated, and the self temperature data PW, the external temperature data HW and the time SJ required for inkjet are comprehensively considered, so that the finally calculated temperature value W has a certain prediction performance, and further the temperature regulation of the inkjet unit can not be delayed, and the temperature after the regulation of the inkjet unit is ensured to be accurate and timely enough.
Referring to fig. 1, the adjusting unit includes an analyzing module and an adjusting module, the analyzing module receives a temperature value W and compares the temperature value W with a lower threshold value X and an upper threshold value S inside the analyzing module, when the temperature value W is less than or equal to the lower threshold value X, the analyzing module sends a temperature raising instruction to the adjusting module, when the temperature value W is less than the upper threshold value S, the analyzing module is in a standby state, when the temperature value W is greater than the upper threshold value S, the analyzing module sends a temperature lowering instruction to the adjusting module, the adjusting module receives the temperature raising instruction, the temperature of the ink jet unit is increased, the adjusting module receives the temperature lowering instruction, radiates the ink jet unit, reduces the temperature of the ink jet unit, and the adjusting unit includes the analyzing module and the adjusting module, wherein the analyzing module receives the temperature value W and compares the temperature value W with the threshold value, when the temperature value W is not between the lower threshold value X and the upper threshold value S, the adjusting module sends an instruction, and the adjusting module receives the instruction, and the temperature of the ink jet unit is adjusted within a temperature range, when the temperature range of the ink jet unit is ensured, the ink drop quality is ensured when the ink jet unit is in a mechanical energy ink jet range, and printing quality is ensured.
Further, the data processing unit performs serial-parallel conversion on the data sent by the upper computer, converts the data in serial transmission in the upper computer into data in parallel transmission, the data processing unit performs serial-parallel conversion in a synchronous time sequence mode, the data processing unit processes the data and then sends the data of the upper computer to the buffer unit in a parallel transmission mode, when the data is transmitted, the parallel transmission mode has multiple transmission capacity in the serial transmission mode, and the data sent by the upper computer is in the serial transmission mode, so that the data transmission process is slower, the data transmission efficiency is improved by adopting the parallel transmission mode, the printing speed is further improved, the stability of the data after serial-parallel conversion is ensured by adopting the synchronous time sequence mode, and in addition, the synchronous time sequence is a conventional technical means of a person in the field, and the structure of the data processing unit is not limited in detail.
Referring to fig. 1, the buffer unit includes a selection module, a first buffer area and a second buffer area, where the selection module is configured to alternately send data sent by the data processing unit to the first buffer area and the second buffer area, and when the data received by the selection module reaches the upper limit value, send the data to the first buffer area, and when the data reaches the upper limit value again, send the data to the second buffer area, and repeatedly alternate, the upper limit value is within 24k to 64k, and a specific value is set by a user, the selection module in the buffer unit firstly separates the data, sends the data to the first buffer area for buffering, and then buffers the data in the second buffer area, and when the second buffer area buffers the data, the first buffer area can send the data, and at this time, inkjet printing work can be performed, and when the first buffer area buffers the data, the first buffer area and the second buffer area are alternately used, and each time the buffered data is within 24k to 64k, so that the workload is reduced, and the application speed of the data cannot be further improved by adopting a method of matching two buffer areas with each other.
Further, after the first buffer area and the second buffer area buffer data, the data are sent to the central control unit, after the first buffer area and the second buffer area buffer data, the sent data are synchronously transmitted to the storage unit for storage, and when the storage unit stores, the first buffer area and the second buffer area are combined according to the sending sequence and then stored, after the first buffer area and the second buffer area buffer data, the buffered data are stored at the moment, so that the total amount of the data processed by the printer is conveniently known, and as the first buffer area and the second buffer area buffer alternately, the alternate data are combined and then stored when the storage is performed, and the check is conveniently performed after the storage.
Furthermore, the central control unit controls the ink jet unit to perform ink jet printing in a multi-Pass mode, the printing width is three centimeters each time, the printing precision in each printing width is 150PI, the printing precision is adjusted when the required precision of the last printing is 200PI or less, the last printing precision is divided into two times of printing, the first printing precision is 150PI, the ink jet printing is performed in a multi-Pass mode, multiple coverage can be performed in one more area, the uniformity of ink dot distribution is improved, the printing quality is further improved, when the printing is performed in the multi-Pass mode, when the printing is performed in the rest 160PI, the printing is performed in the two times when the printing is performed in the rest 160PI, the ink jet unit is required to be moved again, the ink jet points are less in the second printing, and therefore waste is caused, the printing is combined into one time, the data within 200PI and the 150PI are less in phase difference, and the printed precision is not affected.
Furthermore, the calibration unit is used for calibrating the inkjet heads in the inkjet unit, and the calibration unit comprises a transverse calibration module and a longitudinal calibration module, the transverse calibration module uses a black head reference head, a series of vertical lines are printed at fixed intervals, other inkjet heads except for the black head adopt the same fixed intervals to print a series of vertical lines, the black head is the same as the printing center of the other inkjet heads, the offset of the most-flush vertical lines printed by the other inkjet heads and the offset of the vertical lines printed by the black head are used as compensation amounts, the other inkjet heads in the inkjet unit are adjusted by the length of the compensation amounts, the transverse calibration module uses the black head as a reference when calibrating, and according to the offset between the other heads and the black head, after the transverse interval of the inkjet heads is compensated, the ghost condition caused by the transverse interval can be eliminated, and the printed lines are further ensured to be clearer.
Furthermore, the longitudinal calibration module takes the black head as a reference head, a transverse line is printed, other ink-jet heads outside the black head synchronously print the transverse line, the transverse line printed by the black head is taken as the reference line, the offset of the transverse line which is most aligned with the reference line is taken as a compensation value, the other ink-jet heads in the ink-jet unit are adjusted according to the length of the compensation value, and the longitudinal direction of the ink-jet head is adjusted, so that when the ink-jet printing is carried out, the transverse direction and the longitudinal direction are adjusted at the moment, the printed lines are not easy to be ghost, the transverse calibration and the longitudinal calibration are required before each printing, and the printing precision is improved.
Further, the driving unit is used for driving the position of the ink jet unit to enable the ink jet unit to reach a preset position for performing ink jet operation, the driving unit is driven by a motor, the rotating speed of the motor is controlled by a PID controller, and a control formula of the PID controller is that
Where y (T) is the output signal of the PID controller, kp is the proportionality coefficient of the controller, T is the single control event of the controller, e (T) is the error signal, T1 is the integration time of the controller, and T2 is the differential time of the controller.
The motor of this application is the driving motor of the interior carriage of inkjet device, and this motor adopts the PID controller to control, and during PID control, can utilize proportion, integral, differential calculation control quantity to control according to the error of printing at every turn, and then adjusts the precision of its next printing, avoids printing the error accumulation, guarantees the accurate degree of inkjet printing.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the processes or functions in accordance with the embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired means from one website site, computer, server, or data center. Computer readable storage media can be any available media that can be accessed by a computer or data storage devices, such as servers, data centers, etc. that contain one or more collections of available media. The usable medium may be a magnetic medium, an optical medium, or a semiconductor medium. The semiconductor medium may be a solid state disk.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided in the present application, it should be understood that the disclosed systems, apparatuses, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (4)
1. A multi-axis, multi-jet inkjet controller, characterized by: the device comprises an upper computer, an acquisition unit, a central control unit, an adjusting unit, an ink-jet unit, a data processing unit, a buffer unit, a calibration unit and a driving unit, wherein the upper computer is used for transmitting data to be printed, the acquisition unit is used for acquiring the data during ink-jet printing, the central control unit is used for receiving the data acquired by the acquisition unit and calculating a temperature value W, the adjusting unit is used for receiving the temperature value W and adjusting the temperature of an ink-jet head in the ink-jet unit, the data processing unit is used for carrying out serial-parallel conversion on the data transmitted by the upper computer, the buffer unit is used for receiving the data after serial-parallel conversion and buffering, the central control unit is used for receiving the data after buffering and controlling the ink-jet unit to carry out printing work, the calibration unit is used for calibrating the ink-jet unit, and the driving unit is used for driving the ink-jet unit to move to a preset position;
the acquisition unit acquires self temperature data PW of the ink jet unit, external temperature data HW and time SJ required by ink jet, the acquisition unit transmits the acquired data to the central control unit, the central control unit receives the data transmitted by the acquisition unit and calculates the data as a temperature value W, and a calculation formula of the temperature value W is that
Wherein k1 and k2 are weights, k1 is more than or equal to 0 and less than or equal to 1, k2 is more than or equal to 0 and less than or equal to 1, k1+k2=1, eta is a correlation coefficient of the temperature of the ink jet unit along with the change of the environmental temperature, and the central control unit sends the calculated temperature value W to the regulating unit;
the adjusting unit comprises an analyzing module and an adjusting module, wherein the analyzing module receives a temperature value W and compares the temperature value W with a lower threshold value X and an upper threshold value S in the analyzing module, when the temperature value W is less than or equal to the lower threshold value X, the analyzing module sends a heating instruction to the adjusting module, when the temperature value X is less than the temperature value W and less than the upper threshold value S, the analyzing module is in a standby state, when the temperature value W is more than the upper threshold value S, the analyzing module sends a cooling instruction to the adjusting module, the adjusting module receives the heating instruction, the temperature of the ink-jet unit is improved, the adjusting module receives the cooling instruction, and the ink-jet unit is cooled to reduce the temperature of the ink-jet unit;
the data processing unit performs serial-parallel conversion on data sent by the upper computer, converts the data which are transmitted in series in the upper computer into data which are transmitted in parallel, performs serial-parallel conversion in a synchronous time sequence mode, and sends the data of the upper computer to the buffer unit in a parallel transmission mode after the data processing unit processes the data;
the buffer unit comprises a selection module, a first buffer area and a second buffer area, wherein the selection module is used for alternately sending the data sent by the data processing unit to the first buffer area and the second buffer area, when the data received by the selection module reaches the upper limit value, the data is sent to the first buffer area, when the data reaches the upper limit value again, the data is sent to the second buffer area, the data is repeatedly alternated, the upper limit value is within 24-64 k, and the specific value of the data is set by a user;
after the first buffer area and the second buffer area buffer data, the data are sent to the central control unit, after the first buffer area and the second buffer area send data, the sent data are synchronously transmitted to the storage unit for storage, and when the storage unit stores the data, the first buffer area and the second buffer area are combined according to the sending sequence and then stored;
the central control unit controls the ink-jet unit to perform ink-jet printing in a multi-Pass mode, the printing width is three centimeters each time, the printing precision in each printing width is 150PI, the printing precision is adjusted when the required precision of the last printing is 200PI or less, the printing precision is divided into two times when the last printing precision is 200PI or more, and the first printing precision is 150PI.
2. A multi-axis, multi-jet ink jet controller as defined in claim 1 wherein: the calibration unit is used for calibrating the ink jet head in the ink jet unit, and the calibration unit comprises a transverse calibration module and a longitudinal calibration module, wherein the transverse calibration module prints a series of vertical lines at fixed intervals by using a black head reference head, other ink jet heads except the black head print a series of vertical lines at the same fixed intervals, the black head is the same as the printing center of the other ink jet heads, the offset of the most flush vertical line printed by the other ink jet heads and the offset of the vertical line printed by the black head are compensation amounts, and the other ink jet heads in the ink jet unit are adjusted according to the length of the compensation amounts.
3. A multi-axis, multi-jet ink jet controller as defined in claim 2 wherein: the longitudinal calibration module takes the black head as a reference head, prints a transverse line, and synchronously prints the transverse lines of the other ink-jet heads outside the black head, wherein the transverse line printed by the black head is a reference line, the offset of the transverse line which is most aligned with the reference line is taken as a compensation value, and the length of the other ink-jet heads in the ink-jet unit is adjusted according to the compensation value.
4. A multi-axis, multi-jet ink jet controller as defined in claim 1 wherein: the driving unit is used for driving the position of the ink jet unit to enable the ink jet unit to reach a preset position for ink jet operation, the driving unit is driven by a motor, the rotating speed of the motor is controlled by a PID controller, and a control formula of the PID controller is that
Where y (T) is the output signal of the PID controller, kp is the proportionality coefficient of the controller, T is the single control event of the controller, e (T) is the error signal, T1 is the integration time of the controller, and T2 is the differential time of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311138504.5A CN116968436B (en) | 2023-09-05 | 2023-09-05 | Multi-shaft and multi-nozzle ink-jet controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311138504.5A CN116968436B (en) | 2023-09-05 | 2023-09-05 | Multi-shaft and multi-nozzle ink-jet controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116968436A CN116968436A (en) | 2023-10-31 |
| CN116968436B true CN116968436B (en) | 2024-02-27 |
Family
ID=88485177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311138504.5A Active CN116968436B (en) | 2023-09-05 | 2023-09-05 | Multi-shaft and multi-nozzle ink-jet controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116968436B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01226336A (en) * | 1988-03-08 | 1989-09-11 | Canon Inc | Image forming apparatus |
| JPH06278283A (en) * | 1992-12-28 | 1994-10-04 | Canon Inc | Recording method and apparatus |
| JPH07256894A (en) * | 1994-03-25 | 1995-10-09 | Fuji Xerox Co Ltd | Ink jet recorder and method for correcting temperature of ink jet record head |
| KR19980036492A (en) * | 1996-11-18 | 1998-08-05 | 김광호 | Complex printers with different printing technologies and control methods thereof |
| JP2000343740A (en) * | 1999-06-04 | 2000-12-12 | Toshiba Tec Corp | Thermal printer |
| CN1388002A (en) * | 2001-05-24 | 2003-01-01 | 佳能株式会社 | Image printing equipment and its controlling method |
| CN110561911A (en) * | 2019-09-05 | 2019-12-13 | 福州三龙喷码科技有限公司 | High-resolution ink jet printer system based on embedded Linux |
| CN112455090A (en) * | 2020-10-30 | 2021-03-09 | 北京方正印捷数码技术有限公司 | Control method, device, equipment, medium and system for regulating ink jet of printer |
| CN112477436A (en) * | 2020-11-28 | 2021-03-12 | 武汉璟丰科技有限公司 | Ink jet control method and device based on piezoelectric printer nozzle |
| CN113211979A (en) * | 2021-04-21 | 2021-08-06 | 华南理工大学 | Ink piezoelectric control system capable of improving printing precision and optimization method |
| CN113858835A (en) * | 2021-08-02 | 2021-12-31 | 闽都创新实验室 | Method and system for real-time monitoring of inkjet print head angle based on image processing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPP654598A0 (en) * | 1998-10-16 | 1998-11-05 | Silverbrook Research Pty Ltd | Micromechanical device and method (ij46h) |
-
2023
- 2023-09-05 CN CN202311138504.5A patent/CN116968436B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01226336A (en) * | 1988-03-08 | 1989-09-11 | Canon Inc | Image forming apparatus |
| JPH06278283A (en) * | 1992-12-28 | 1994-10-04 | Canon Inc | Recording method and apparatus |
| JPH07256894A (en) * | 1994-03-25 | 1995-10-09 | Fuji Xerox Co Ltd | Ink jet recorder and method for correcting temperature of ink jet record head |
| KR19980036492A (en) * | 1996-11-18 | 1998-08-05 | 김광호 | Complex printers with different printing technologies and control methods thereof |
| JP2000343740A (en) * | 1999-06-04 | 2000-12-12 | Toshiba Tec Corp | Thermal printer |
| CN1388002A (en) * | 2001-05-24 | 2003-01-01 | 佳能株式会社 | Image printing equipment and its controlling method |
| CN110561911A (en) * | 2019-09-05 | 2019-12-13 | 福州三龙喷码科技有限公司 | High-resolution ink jet printer system based on embedded Linux |
| CN112455090A (en) * | 2020-10-30 | 2021-03-09 | 北京方正印捷数码技术有限公司 | Control method, device, equipment, medium and system for regulating ink jet of printer |
| CN112477436A (en) * | 2020-11-28 | 2021-03-12 | 武汉璟丰科技有限公司 | Ink jet control method and device based on piezoelectric printer nozzle |
| CN113211979A (en) * | 2021-04-21 | 2021-08-06 | 华南理工大学 | Ink piezoelectric control system capable of improving printing precision and optimization method |
| CN113858835A (en) * | 2021-08-02 | 2021-12-31 | 闽都创新实验室 | Method and system for real-time monitoring of inkjet print head angle based on image processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116968436A (en) | 2023-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6439831B2 (en) | Adjustment of ink droplet size estimation for improved ink usage estimation | |
| CN1163360C (en) | Method of Compensating for Effects of Thermally Induced Droplet Size Variations in Inkjet Printers | |
| CN103722907B (en) | Printer and control method thereof and device | |
| EP2755824B1 (en) | Fluid jetting with delays | |
| KR101187389B1 (en) | Tailoring image data packets to properties of print heads | |
| JP2022159407A (en) | Directly accumulated ink estimation mechanism | |
| US5903289A (en) | Control circuit of a compact recording apparatus | |
| EP1902842B1 (en) | Driving apparatus of inkjet head | |
| EP0710562B1 (en) | Printer | |
| US20070030298A1 (en) | Printing apparatus and power supply control method | |
| JP2010521331A (en) | Dynamic dithering of images | |
| CN116968436B (en) | Multi-shaft and multi-nozzle ink-jet controller | |
| US20150062218A1 (en) | Printing with multiple printhead dies | |
| US8014029B2 (en) | Raster-to-swath image data conversion printing system and related method | |
| US8840210B1 (en) | Print system with variable print speed | |
| CN104039558B (en) | The method and apparatus of thermal expansion based on printhead calibration | |
| US20100289843A1 (en) | Printing apparatus and control method therefor | |
| CN109397880B (en) | Device, method and the ink-jet system of nozzle driving are set | |
| US9731502B2 (en) | Printing apparatus and data transfer method | |
| EP1584473B1 (en) | A print method and printer suitable for the application of this method | |
| JP2003145777A (en) | Ink-jet printer | |
| US11999163B2 (en) | Adjusting method for printing apparatus, and a printing apparatus | |
| US20230191798A1 (en) | Ink jet printing apparatus, control method, and storage medium | |
| JP2003039650A (en) | Print system, print method, information processor and printer | |
| JP2018187889A (en) | Recording controller, recording device, recording system, and recording control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |