CN115027145B - Control method of ink-jet printer, ink-jet component, device, apparatus and medium - Google Patents
Control method of ink-jet printer, ink-jet component, device, apparatus and medium Download PDFInfo
- Publication number
- CN115027145B CN115027145B CN202210576896.2A CN202210576896A CN115027145B CN 115027145 B CN115027145 B CN 115027145B CN 202210576896 A CN202210576896 A CN 202210576896A CN 115027145 B CN115027145 B CN 115027145B
- Authority
- CN
- China
- Prior art keywords
- ink
- audio signal
- attenuation
- piezoelectric
- ink jet
- 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
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
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
-
- 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
- B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
The present disclosure provides a control method, an inkjet component, a device, equipment and a medium for an inkjet printer, which belong to the technical field of inkjet printing. The method comprises the following steps: acquiring the change quantity of an audio signal generated by vibration of a piezoelectric diaphragm in a nozzle of an ink-jet printer after power is supplied; determining the ink jet attenuation of the piezoelectric die according to the audio signal variation; and adjusting the power supply voltage of the piezoelectric diaphragm according to the ink jet attenuation to compensate the ink jet quantity of the nozzle. Therefore, the ink jet amount of the nozzle can be efficiently compensated without adjusting the waveform data input in advance by the ink jet printer.
Description
Technical Field
The present disclosure relates to the field of inkjet printing technologies, and in particular, to a control method, an inkjet component, an apparatus, a device, and a medium for an inkjet printer.
Background
Piezoelectric ink jet technology is to provide a plurality of minute piezoelectric diaphragms near the nozzle positions of the heads of printers. The two ends of the piezoelectric diaphragm can bend and deform under the action of the changed voltage, and the deformation amount of the piezoelectric diaphragm can change along with the change of the voltage at the two ends of the piezoelectric diaphragm, so that the volume of a chamber of the nozzle for storing ink is changed. When the driving voltage is generated, the piezoelectric membrane deforms, the volume of the ink cavity is reduced, but the nozzle is at a non-spraying position; the voltage is reduced, the piezoelectric membrane is restored to the original state, the volume of the ink cavity is increased, and the ink is sucked into the ink cavity; when the voltage increases again, the piezoelectric diaphragm deforms again, the nozzle ejects ink to complete the ink ejection action, and the ink cavity extrudes the ink by the sound wave generated by the shrinkage of the ink cavity. The ink is actually ejected by generating sound waves after the volume of the ink cavity is changed, and ejecting or sucking the ink is performed under the driving of the sound waves.
If the sound wave, pressure and motion generated by the piezoelectric diaphragm are not synchronized, the former sound wave is not disappeared and the latter sound wave is generated again, so that a new pulse signal is introduced at an erroneous time. This causes ink to be reintroduced into the chamber at the instant of impending ejection, affecting the printing effect, with higher frequencies having greater impact.
In the related art, the printing effect is usually adjusted by adjusting waveform data input by the inkjet printer, but this method has a complicated process, and the inkjet amount of the inkjet printer cannot be adjusted in time.
Disclosure of Invention
The present disclosure provides a control method, an inkjet component, an apparatus, a device, and a medium of an inkjet printer.
Some embodiments of the present disclosure provide a control method of an inkjet printer, the method including:
acquiring the change quantity of an audio signal generated by vibration of a piezoelectric diaphragm in a nozzle of an ink-jet printer after power is supplied;
determining the ink jet attenuation of the piezoelectric die according to the audio signal variation;
and adjusting the power supply voltage of the piezoelectric diaphragm according to the ink jet attenuation to compensate the ink jet quantity of the nozzle.
Optionally, the determining the ink jet attenuation of the piezoelectric film sheet according to the audio signal variation includes:
calculating the film forming value variation of the spray head according to the amplitude of the audio signal variation;
and converting the film forming attenuation value into the ink jet attenuation of the spray head.
Optionally, the determining the ink jet attenuation of the piezoelectric film sheet according to the audio signal variation includes:
calculating a target film forming value of the spray head according to the audio signal variation;
comparing the target film forming value with a standard film forming value to obtain a film forming attenuation value of the spray head;
and converting the film forming attenuation value into the ink jet attenuation of the spray head.
Optionally, the determining the ink jet attenuation of the piezoelectric film sheet according to the audio signal variation includes:
inquiring a standard signal waveform curve corresponding to the audio signal variation;
and comparing the waveform curve of the audio signal variation with the waveform curve of the standard signal to obtain the ink jet attenuation.
Optionally, the adjusting the power supply voltage of the piezoelectric film according to the ink jet attenuation includes:
inquiring a target power supply voltage corresponding to the ink jet attenuation in a power supply voltage mapping relation;
and adjusting the power supply voltage of the piezoelectric membrane to the target power supply voltage.
Some embodiments of the present disclosure provide an inkjet component of an inkjet printer, comprising: control circuit, shower nozzle, the shower nozzle includes: the piezoelectric diaphragm and the audio receiving unit are arranged above the piezoelectric diaphragm, and the audio receiving unit and the piezoelectric diaphragm are electrically connected with the control circuit;
the audio receiving unit is configured to receive an audio signal variation generated by the piezoelectric diaphragm after power is supplied and send the audio signal variation to the control circuit;
the control circuit is configured to adjust a power supply voltage of the piezoelectric diaphragm according to the audio signal to compensate for an ink ejection amount of the head.
Optionally, the audio receiving unit is in contact connection with the vibrating portion of the piezoelectric diaphragm.
Some embodiments of the present disclosure provide a control device of an inkjet printer, including:
the acquisition module is configured to acquire the change amount of the audio signal generated by vibration of the piezoelectric diaphragm in the nozzle of the ink-jet printer after power is supplied;
an analysis module configured to determine an ink jet delta attenuation of the piezoelectric die from the audio signal variation;
and the control module is configured to adjust the power supply voltage of the piezoelectric diaphragm according to the ink jet attenuation so as to compensate the ink jet quantity of the nozzle.
Optionally, the analysis module is further configured to:
calculating the film forming value variation of the spray head according to the amplitude of the audio signal variation;
and converting the film forming attenuation value into the ink jet attenuation of the spray head.
Optionally, the analysis module is further configured to:
calculating a target film forming value of the spray head according to the audio signal variation;
comparing the target film forming value with a standard film forming value to obtain a film forming attenuation value of the spray head;
and converting the film forming attenuation value into the ink jet attenuation of the spray head.
Optionally, the analysis module is further configured to:
inquiring a standard signal waveform curve corresponding to the audio signal variation;
and comparing the waveform curve of the audio signal variation with the waveform curve of the standard signal to obtain the ink jet attenuation.
Optionally, the control module is further configured to:
inquiring a target power supply voltage corresponding to the ink jet attenuation in a power supply voltage mapping relation;
and adjusting the power supply voltage of the piezoelectric membrane to the target power supply voltage.
Optionally, the analysis module is further configured to:
inquiring a target power supply voltage corresponding to the ink jet attenuation in a power supply voltage mapping relation;
and adjusting the power supply voltage of the piezoelectric membrane to the target power supply voltage.
Some embodiments of the present disclosure provide a computing processing device comprising:
a memory having computer readable code stored therein;
one or more processors, the computer-readable code, when executed by the one or more processors, performs the method of controlling an inkjet printer as described above.
Some embodiments of the present disclosure provide a computer program comprising computer readable code which, when run on a computing processing device, causes the computing processing device to perform a method of controlling an inkjet printer as described above.
Some embodiments of the present disclosure provide a non-transitory computer readable medium in which a control method of an inkjet printer as described above is stored.
According to the control method, the ink-jet part, the device, the equipment and the medium of the ink-jet printer, through detecting the audio signal variation generated by the piezoelectric diaphragm in the nozzle of the ink-jet printer after power is supplied, the ink-jet attenuation of the piezoelectric diaphragm can be obtained according to the audio signal variation, so that the power supply voltage of the piezoelectric diaphragm is adjusted according to the ink-jet attenuation to compensate the ink-jet quantity of the nozzle, and the ink-jet quantity of the nozzle can be efficiently compensated without adjusting waveform data input in advance by the ink-jet printer.
The foregoing description is merely an overview of the technical solutions of the present disclosure, and may be implemented according to the content of the specification in order to make the technical means of the present disclosure more clearly understood, and in order to make the above and other objects, features and advantages of the present disclosure more clearly understood, the following specific embodiments of the present disclosure are specifically described.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 schematically illustrates a flow diagram of a method of controlling an inkjet printer provided by some embodiments of the present disclosure;
FIG. 2 schematically illustrates one of the flow diagrams of another method of controlling an inkjet printer provided by some embodiments of the present disclosure;
FIG. 3 schematically illustrates a second flow chart of another method of controlling an inkjet printer provided by some embodiments of the present disclosure;
FIG. 4 schematically illustrates a third flow chart of another method of controlling an inkjet printer provided by some embodiments of the present disclosure;
FIG. 5 schematically illustrates a schematic diagram of another method of controlling an inkjet printer provided by some embodiments of the present disclosure;
FIG. 6 schematically illustrates a fourth flow diagram of another method of controlling an inkjet printer provided by some embodiments of the present disclosure;
FIG. 7 schematically illustrates a schematic of the structure of an ink jet component of an ink jet printer provided by some embodiments of the present disclosure;
FIG. 8 schematically illustrates a schematic of the structure of an ink jet component of another ink jet printer provided by some embodiments of the present disclosure;
fig. 9 schematically illustrates a structural schematic diagram of a control device of an inkjet printer provided in some embodiments of the present disclosure;
FIG. 10 schematically illustrates a block diagram of a computing processing device for performing methods according to some embodiments of the present disclosure;
fig. 11 schematically illustrates a storage unit for holding or carrying program code for implementing methods according to some embodiments of the present disclosure.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
As a next-generation display technology of LCD display, OLED (organic light emitting diode organic light emitting diode) has excellent properties such as light weight, high color gamut, high contrast, low power consumption, and flexibility, and is increasingly receiving attention from various companies. The preparation process of the OLED display device comprises the following steps: vacuum Evaporation (EVP) and inkjet Printing (IJP) techniques. The evaporation technology is suitable for small organic molecules, and is characterized in that the organic film is subjected to vacuum evaporation, the film thickness is uniform, but the equipment investment is large, the material utilization rate is low, and the evaporation technology is not suitable for the production of large-size products; compared with the evaporation technology, the ink-jet printing technology utilizes an ink-jet printer to accurately print OLED ink into pixels of a substrate, is suitable for polymer materials and soluble small molecules, has the advantages of simple process, low equipment investment cost, no size limitation and the like, and is one of important technologies for mass production of large-size OLEDs. The OLED display device is prepared by using the ink-jet printing technology as a main line, the principle and the characteristics of the ink-jet printing technology and the application of the ink-jet printing technology in the OLED display field are introduced, and the key process flow of the ink-jet printing OLED device and the uniformity control technology are described in the system.
The piezoelectric ink jet print head chip of the high-speed high-precision large-size printing equipment has the advantages of mass production, high resolution, low cost and the like, and is widely applied. The working principle is that the miniature piezoelectric film of the piezoelectric ink jet print head chip can form film and deform in a very short time under the action of high current, so that the ink in the piezoelectric film area is extruded instantly to force the ink to be ejected. In order to further improve the integrated printing large size of the large-size printing equipment, the number of the spray heads reaches tens of thousands, so that the correction of the spray nozzles is very large, the current correction method comprises RDI (laser drop film formation), drop morphology film formation, drop quality film formation and the like, and the film formation means are based on the fact that after the ink drops are formed, the ink drop morphology, the drop speed and the drop quality are formed. The final correction part is still the piezoelectric diaphragm nozzle, so that the film forming difficulty is very high, the film forming is not very accurate, the adjustment time is very long due to the large quantity, and the real-time monitoring cannot be performed.
Piezoelectric ink jet technology is to provide a plurality of minute piezoelectric diaphragms near the nozzle positions of the heads of printers. The two ends of the piezoelectric diaphragm can bend and deform under the action of the changed voltage, and the deformation amount of the piezoelectric diaphragm can change along with the change of the voltage at the two ends of the piezoelectric diaphragm, so that the volume of a chamber of the nozzle for storing ink is changed. When the driving voltage is generated, the piezoelectric membrane deforms, the volume of the ink cavity is reduced, but the nozzle is at a non-spraying position; the voltage is reduced, the piezoelectric membrane is restored to the original state, the volume of the ink cavity is increased, and the ink is sucked into the ink cavity; when the voltage increases again, the piezoelectric diaphragm deforms again, the nozzle ejects ink to complete the ink ejection action, and the ink cavity extrudes the ink by the sound wave generated by the shrinkage of the ink cavity. The ink is actually ejected by generating sound waves after the volume of the ink cavity is changed, and ejecting or sucking the ink is performed under the driving of the sound waves. If the sound wave, pressure and motion generated by the piezoelectric diaphragm are not synchronized, the former sound wave is not disappeared and the latter sound wave is generated again, so that a new pulse signal is introduced at an erroneous time. This causes ink to be reintroduced into the chamber at the instant of impending ejection, affecting the printing effect, with higher frequencies having greater impact.
The material utilization rate of the piezoelectric ink jet technology is almost 100%, but the working mode is serial scanning, the improvement of productivity is limited, the technology is continuous film forming and can not jet according to quantity, and cross influence can be generated. Therefore, the method is based on the existing organic liquid phase jet printing technology, and adopts the template nozzle at the same time to realize one-time deposition film formation of the designated pattern. Organic liquid phase spray printing film forming comprises the processes of heating, mixing, conveying, depositing organic ink into film and the like, wherein controllable technological parameters comprise nozzle size, expansion cavity temperature, substrate scanning speed and pressure pulse width. The control method of the ink-jet printer provided by the disclosure compensates the ink-jet quantity of the nozzle by adopting a mode of controlling the power supply voltage of the piezoelectric diaphragm to adjust the width of the piezoelectric pulse, so that the sound wave, the pressure and the operation generated by the piezoelectric diaphragm are kept synchronous, and the film forming effect of the piezoelectric ink-jet printer is ensured.
Fig. 1 schematically illustrates a flow chart of a control method of an inkjet printer provided by the present disclosure, the method including:
step 101, obtaining the change quantity of an audio signal generated by vibration of a piezoelectric diaphragm in a nozzle of an ink-jet printer after power supply.
It should be noted that, the ink-jet printer is a printer adopting the piezoelectric ink-jet technology, and referring to the above description, the piezoelectric diaphragm will deform after being electrified, so that the piezoelectric diaphragm can vibrate through the pulse electric signal, the vibration generates sound waves, so that the audio receiver near the piezoelectric diaphragm can collect the sound waves sent by the piezoelectric diaphragm and convert the sound waves into audio signals, and the audio signal variation of the audio signals sent by the piezoelectric diaphragm can be obtained through comparing the amplitudes of the audio signals.
Optionally, the executing body of some embodiments of the present disclosure may be a controller communicatively connected to a power supply circuit of the piezoelectric film, where the controller may be integrally provided with the piezoelectric film, or may be separately and independently provided with the piezoelectric film, so long as data sent by an audio receiver that collects an audio signal variation of the piezoelectric film and control the power supply circuit of the piezoelectric film may be applicable to embodiments of the present disclosure, and this is not limited herein. The difference between the piezoelectric membrane and the audio signal receiver is that the closer the distance between the piezoelectric membrane and the audio signal receiver is, the smaller the time delay of the audio signal acquired by the audio signal receiver is, the larger the signal intensity is, whereas the larger the time delay is, the smaller the signal intensity is, of course, the setting mode of the audio signal receiver can be set according to the specification and the manufacturing process of the piezoelectric membrane, and the sound wave emitted by the piezoelectric membrane can be suitable for the embodiment of the disclosure as long as the sound wave can be acquired, and the method is not limited herein.
In the embodiment of the disclosure, after the piezoelectric diaphragm is powered, the controller can periodically acquire the audio signal variation of the sound wave generated by the piezoelectric diaphragm from the audio signal receiver according to the equal time intervals of 1s, 5s and 10s, so as to record and analyze the audio signal variation.
And 102, determining the ink jet attenuation of the piezoelectric film sheet according to the audio signal variation.
In the embodiment of the present disclosure, the ink ejection attenuation amount refers to a gap between the ink ejection amount of the ejection head and the expected ink ejection amount due to the attenuation of the degree of deformation of the piezoelectric film. Because the piezoelectric diaphragm is affected by disturbance factors such as loss, process, materials, environment and the like, in the situation that the power supply voltage is unchanged, the deformation degree generated by the piezoelectric diaphragm can be difficult to keep at a specific deformation degree continuously compared with the expected deviation, and corresponding audio signals obtained by converting sound waves generated by deformation of the piezoelectric diaphragm are correspondingly changed, so that the ink jet attenuation caused by deformation attenuation of the piezoelectric diaphragm can be analyzed through the change of the audio signals generated by the piezoelectric diaphragm. For example, the mapping relationship between the audio signal variation and the ink jet attenuation can be determined through experiments in advance, so that the required ink jet attenuation can be obtained by directly inquiring when in actual use, or a mathematical model is constructed according to the ink jet amounts of the ink jet cavities under different audio signal variation, so that the required ink jet attenuation can be obtained by inputting the audio signal variation into the mathematical model for calculation interface when in actual use, and the specific analysis method for obtaining the ink jet throwing amount can be set according to actual requirements, which is not limited herein.
And 103, adjusting the power supply voltage of the piezoelectric diaphragm according to the ink jet attenuation to compensate the ink jet quantity of the nozzle.
In the embodiment of the present disclosure, when the ink-jet attenuation is greater than the attenuation threshold, the controller may execute the processes of steps 101 to 102 again after randomly adjusting the pulse electric signal in the power supply voltage of the piezoelectric diaphragm according to the ink-jet attenuation until the ink-jet attenuation is less than or equal to the attenuation threshold. Or the controller can directly inquire the compensating power supply voltage required by compensating the ink jet attenuation according to the mapping relation between the power supply voltage and the ink jet quantity which are measured in advance by the ink jet printer, so as to adjust the power supply of the piezoelectric diaphragm according to the inquired power supply voltage, and certainly, whether the size of the ink jet attenuation meets the expectations can be analyzed again for verification after adjustment. The above manner of adjusting the power supply voltage of the piezoelectric film according to the attenuation amount of the ink jet is merely exemplary, and the specific adjustment manner may be set according to actual requirements, which is not limited herein.
According to the embodiment of the disclosure, the change amount of the audio signal generated by the piezoelectric diaphragm in the nozzle of the ink-jet printer after power supply is detected, and the ink-jet attenuation amount of the piezoelectric diaphragm can be obtained through analysis according to the change amount of the audio signal, so that the power supply voltage of the piezoelectric diaphragm is adjusted according to the ink-jet attenuation amount to compensate the ink-jet amount of the nozzle, and the ink-jet amount of the nozzle can be efficiently compensated without adjusting waveform data input in advance by the ink-jet printer.
Optionally, referring to fig. 2, the step 102 includes:
and A1, calculating the film forming value variation of the spray head according to the amplitude of the audio signal variation.
In the embodiments of the present disclosure, the film formation value is an index parameter for characterizing the amount of ink ejected by the ejection head onto the substrate. The method can monitor the position of the piezoelectric diaphragm where the piezoelectric diaphragm is actually deformed by utilizing the change quantity of the audio signal, and calculate the volume change of the ink cavity according to the amplitude of the change quantity of the audio signal, so that when the piezoelectric diaphragm is deformed, the ink jet quantity sucked and sprayed by the ink cavity is calculated according to the volume change to represent the film forming value corresponding to the audio signal, and then the film forming values at different times are compared in numerical value, so that the film forming change quantity can be obtained.
And A2, converting the film forming attenuation value into the ink jet attenuation of the nozzle.
In the embodiment of the disclosure, the inkjet attenuation corresponding to the film formation value variation is inquired through the mapping relation between the film formation value variation and the inkjet attenuation, which are determined in advance through experiments.
Optionally, referring to fig. 3, the step 102 includes:
and B1, calculating a target film forming value of the spray head according to the audio signal variation.
In the embodiment of the present disclosure, similarly to step A1, the audio signal variation may be converted into the target film formation value of the dongle at the current time.
And B2, comparing the target film forming value with a standard film forming value to obtain a film forming attenuation value of the spray head.
In embodiments of the present disclosure, the standard filming value may be, for example, a value obtained by a RDI (online droplet detection system) or other filming technique that normally films. And comparing the target film forming value with the standard film forming value to obtain the film forming attenuation value of the spray head compared with the standard film forming value.
And B3, converting the film forming attenuation value into the ink jet attenuation of the nozzle.
In the embodiment of the disclosure, the inkjet attenuation corresponding to the film forming attenuation value is obtained by inquiring the mapping relation between the film forming value attenuation value and the inkjet attenuation value which are determined in advance through experiments.
Optionally, referring to fig. 4, the step 102 includes:
and step C1, inquiring a standard signal waveform curve corresponding to the audio signal variation.
In the embodiment of the disclosure, standard signal waveform curves corresponding to different audio signals can be determined through preliminary experiments, so that the standard signal waveform curves corresponding to the audio signal variation in the analysis can be obtained through inquiry.
And C2, comparing the waveform curve of the audio signal variation with the waveform curve of the standard signal to obtain the ink jet attenuation.
In the embodiment of the disclosure, referring to fig. 5, in which the driving waveform is a standard signal waveform curve and the acoustic waveform is a waveform curve of an audio signal variation, the difference between the peak values of the B point and the a point of the acoustic waveform is analyzed to obtain the ink jet attenuation.
Optionally, referring to fig. 6, the step 103 includes:
step 1031, inquiring a target power supply voltage corresponding to the ink jet attenuation in a power supply voltage mapping relation.
In the embodiment of the disclosure, the supply voltage mapping relationship may be obtained by recording a voltage variation applied by ink jet during the deposition process of the nozzle jet, and recording an ink jet amount variation caused by an audio signal, which is caused at the same time, by establishing a correspondence relationship between the ink jet amount and the supply voltage. In practical application, the controller can obtain the target power supply voltage only by inquiring in the power supply voltage mapping relation according to the ink jet attenuation, namely, the controller can obtain the target power supply voltage by inquiring in the power supply voltage mapping relation based on the target ink jet quantity after the current ink jet quantity and the ink jet attenuation are combined.
Step 1032, adjusting the power supply voltage of the piezoelectric film to the target power supply voltage.
In an embodiment of the disclosure, the controller adjusts the supply voltage of the piezoelectric diaphragm by sending a control command to the voltage controller of the piezoelectric diaphragm indicating that power is supplied at the target supply voltage.
Fig. 7 schematically illustrates a schematic structure of an inkjet component 20 of an inkjet printer provided by the present disclosure, including: control circuit 201, shower nozzle 202, the shower nozzle 202 includes: the piezoelectric diaphragm 2021, the audio receiving unit 2022 disposed above the piezoelectric diaphragm 2021, the audio receiving unit 2022 and the piezoelectric diaphragm 2021 are electrically connected with the control circuit 201.
The control circuit 201 may be a piezoelectric inkjet FPGA control circuit, which is an arbitrary waveform excitation board card for exciting the piezoelectric transducer array to generate the guided wave of the inkjet printing piezoelectric waveform curve, and is used for exciting the piezoelectric transducer array to generate the guided wave of the inkjet printing piezoelectric waveform curve. The device comprises a USB interface circuit capable of receiving waveform data points of an upper computer, an SRAM for storing the waveform data points, a waveform synthesis circuit for converting the waveform data points into waveform analog signals according to a certain time sequence, and a waveform power amplification circuit for performing power amplification on the waveform analog signals, wherein the FPGA controls the receiving, storing and synthesizing of the waveform data points; the whole structure of the waveform power amplifier circuit adopts a differential amplification mode, can effectively inhibit harmonic distortion and temperature drift, and is matched with a waveform synthesis circuit capable of forming various waveforms, so that the ink-jet printing piezoelectric waveform curve guided wave excitation board card capable of generating arbitrary waveforms is realized.
The control circuit 201 can be a power supply circuit, a pulse proceeding and adjusting circuit, a piezoelectric control and driving circuit, a spray deposition laser film forming device and an audio signal film forming feedback circuit; the pulse is carried out and the deformation of circuit film forming signal direct control piezoelectric diaphragm piece to film forming pulse inkjet carries out film forming feedback behind the audio signal in pulse inkjet in-process piezoelectric diaphragm piece upper portion, and film forming feedback signal can feed back to the host computer, and make piezoelectric diaphragm piece deformation once more, the feedback voltage of deformation can transmit analytical equipment, simultaneously, because the deformation of piezoelectric diaphragm piece leads to upper portion audio signal to change, the upper and lower electrode film forming voltage difference of audio signal, judge the size of inkjet deposit jet deposition through analyzing voltage difference signal, the function of piezoelectric pulse inkjet piezoelectric diaphragm piece shakes the piece: operating with piezoelectric crystal resonance. It has two piezoelectric wafers and a resonator plate. When pulse signals are externally applied to the two poles, the frequency of the pulse signals is equal to the natural oscillation frequency of the piezoelectric wafer, the piezoelectric wafer will resonate and drive the resonant plate to vibrate to form film and pulse ink jet, and the pulse ink jet device is a pulse ink jet device.
Optionally, referring to fig. 7, the inkjet component 20 may further include: a print substrate 203 having Bank.
Alternatively, referring to fig. 7, the audio receiving unit 2022 may include: a feedback controller 20221, an audio signal analysis and comparison circuit 20222, and an audio signal receiver 20223;
optionally, referring to fig. 7, the spray head 202 may further include: a resonant chamber 2023, an ink inlet 2024, an ink jet chamber 2025, and a nozzle 2026.
The audio receiving unit 2022 is configured to receive an audio signal variation amount generated by the piezoelectric film 2021 after power is supplied, and transmit the audio signal variation amount to the control circuit 201.
The control circuit 201 is configured to adjust the power supply voltage of the piezoelectric film to compensate the ink ejection amount of the ejection head according to the audio signal.
In practical application, the control circuit 201 of the ink-jet printer receives the waveform parameters in the storage device, and the waveform parameters are transferred according to the substrate pixel coordinate point and the alignment standard Mark (alignment Mark) of the substrate design pattern feature recognition system, the jet deposition film is moved according to the coordinates, the deposition film forming device of the piezoelectric film 2021 on the printing substrate 203 stops above the detected substrate pixel, the deposition film forming device of the piezoelectric film jet focuses the substrate pixel, the deposition film forming device of the piezoelectric film 2021 performs scanning jet deposition, and the ink-jet printing of different ink drop amounts can be realized by performing differential processing on the pulse piezoelectric signals received by the ink-jet deposition. Through the preset pixel form and coordinate position of the substrate, the ink-jet printing precision is ensured, and the expected effect is achieved.
Alternatively, referring to fig. 8, the audio receiving unit 2022 is in contact with the vibrating portion of the piezoelectric film 2021.
The audio receiving unit 2022 may be an ultrasonic audio sensor prepared with a substrate having a vibrating portion, a piezoelectric ceramic film bonded to the vibrating portion with a piezoelectric ceramic layer sandwiched between the 1 st electrode and the 2 nd electrode. The 1 st electrode is provided with a LaNiO3 film. The piezoelectric ceramic layer is composed of an oriented (Bi, na, ba) TiO3 film. An interface layer composed of a compound having an orientation represented by the chemical formula ABO3 (A is represented by (Bi, na) 1-xCx (0.ltoreq.x < 1), B is Ti or TiZr, and C is an alkali metal other than Na) is sandwiched between the 1 st electrode and the piezoelectric ceramic layer. Sequentially stacking the LaNiO3 film, the interfacial layer, the (Bi, na, ba) TiO3 film, and the 2 nd electrode. One electrode selected from the 1 st electrode and the 2 nd electrode is composed of an electrode group including a drive electrode and a sensor electrode. The step of applying a driving voltage to the piezoelectric ceramic layer via the driving electrode and the other electrode selected from the 1 st and 2 nd electrodes to oscillate the vibrating portion. And a step of obtaining a value of the ultrasonic sound added to the vibration part by measuring a deformation occurring in the vibration part according to the ultrasonic sound added to the vibration part in the oscillation step through the other electrode and the sensor electrode.
Alternatively, the XY moving unit for relatively moving the deposition spray nozzle and the holding substrate carrying device can be constituted by an XY substrate carrying device that moves the holding substrate carrying device in the XY direction. Also, the XY moving unit may be configured to fix the substrate carrying device so that the spray deposition nozzle can move in the XY direction. Also, the XY moving unit may be implemented by being provided so that the substrate carrying device and the spray deposition nozzle can be moved in the vertical direction, respectively. The piezoelectric film spray deposition film forming device forms a film in the range of the substrate pixel.
According to the embodiment of the disclosure, the change amount of the audio signal generated by the piezoelectric diaphragm in the nozzle of the ink-jet printer after power supply is detected, and the ink-jet attenuation amount of the piezoelectric diaphragm can be obtained through analysis according to the change amount of the audio signal, so that the power supply voltage of the piezoelectric diaphragm is adjusted according to the ink-jet attenuation amount to compensate the ink-jet amount of the nozzle, and the ink-jet amount of the nozzle can be efficiently compensated without adjusting waveform data input in advance by the ink-jet printer.
Fig. 9 schematically illustrates a schematic structural diagram of a control device 30 of an inkjet printer provided by the present disclosure, including:
an acquisition module 301 configured to acquire an audio signal variation amount generated by vibration of a piezoelectric diaphragm in a head of the inkjet printer after power is supplied;
an analysis module 302 configured to determine an ink ejection attenuation of the piezoelectric die from the audio signal variation;
and a control module 303 configured to adjust a power supply voltage of the piezoelectric diaphragm according to the ink ejection attenuation amount to compensate for the ink ejection amount of the ejection head.
Optionally, the analysis module 302 is further configured to:
calculating the film forming value variation of the spray head according to the amplitude of the audio signal variation;
and converting the film forming attenuation value into the ink jet attenuation of the spray head.
Optionally, the analysis module 302 is further configured to:
calculating a target film forming value of the spray head according to the audio signal variation;
comparing the target film forming value with a standard film forming value to obtain a film forming attenuation value of the spray head;
and converting the film forming attenuation value into the ink jet attenuation of the spray head.
Optionally, the analysis module 302 is further configured to:
inquiring a standard signal waveform curve corresponding to the audio signal variation;
and comparing the waveform curve of the audio signal variation with the waveform curve of the standard signal to obtain the ink jet attenuation.
Optionally, the control module 303 is further configured to:
inquiring a target power supply voltage corresponding to the ink jet attenuation in a power supply voltage mapping relation;
and adjusting the power supply voltage of the piezoelectric membrane to the target power supply voltage.
Optionally, the analysis module 302 is further configured to:
inquiring a target power supply voltage corresponding to the ink jet attenuation in a power supply voltage mapping relation;
and adjusting the power supply voltage of the piezoelectric membrane to the target power supply voltage.
According to the embodiment of the disclosure, the change amount of the audio signal generated by the piezoelectric diaphragm in the nozzle of the ink-jet printer after power supply is detected, and the ink-jet attenuation amount of the piezoelectric diaphragm can be obtained through analysis according to the change amount of the audio signal, so that the power supply voltage of the piezoelectric diaphragm is adjusted according to the ink-jet attenuation amount to compensate the ink-jet amount of the nozzle, and the ink-jet amount of the nozzle can be efficiently compensated without adjusting waveform data input in advance by the ink-jet printer.
The above described embodiments of the apparatus are only illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Various component embodiments of the present disclosure may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that some or all of the functions of some or all of the components in a computing processing device according to embodiments of the present disclosure may be implemented in practice using a microprocessor or Digital Signal Processor (DSP). The present disclosure may also be embodied as a device or apparatus program (e.g., computer program and computer program product) for performing a portion or all of the methods described herein. Such a program embodying the present disclosure may be stored on a non-transitory computer readable medium, or may have the form of one or more signals. Such signals may be downloaded from an internet website, provided on a carrier signal, or provided in any other form.
For example, FIG. 10 illustrates a computing processing device that may implement methods according to the present disclosure. The computing processing device conventionally includes a processor 410 and a computer program product in the form of a memory 420 or a non-transitory computer readable medium. The memory 420 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Memory 420 has storage space 430 for program code 431 for performing any of the method steps described above. For example, the memory space 430 for the program code may include individual program code 431 for implementing the various steps in the above method, respectively. The program code can be read from or written to one or more computer program products. These computer program products comprise a program code carrier such as a hard disk, a Compact Disc (CD), a memory card or a floppy disk. Such a computer program product is typically a portable or fixed storage unit as described with reference to fig. 11. The storage unit may have memory segments, memory spaces, etc. arranged similarly to the memory 420 in the computing processing device of fig. 10. The program code may be compressed, for example, in a suitable form. Typically, the storage unit comprises computer readable code 431', i.e. code that can be read by a processor, such as 410, for example, which when run by a computing processing device causes the computing processing device to perform the steps in the method described above.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the flowcharts of the figures may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily being sequential, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.
Reference herein to "one embodiment," "an embodiment," or "one or more embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure. Furthermore, it is noted that the word examples "in one embodiment" herein do not necessarily all refer to the same embodiment.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the disclosure may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The disclosure may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names.
Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present disclosure, and are not limiting thereof; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (10)
1. A method of controlling an inkjet printer, the method comprising:
acquiring the change quantity of an audio signal generated by vibration of a piezoelectric diaphragm in a nozzle of an ink-jet printer after power is supplied;
determining the ink jet attenuation of the piezoelectric die according to the audio signal variation;
and adjusting the power supply voltage of the piezoelectric diaphragm according to the ink jet attenuation to compensate the ink jet quantity of the nozzle.
2. The method of claim 1, wherein said determining an amount of ink ejection attenuation of a piezoelectric die from said audio signal variation comprises:
calculating the film forming value variation of the spray head according to the amplitude of the audio signal variation;
and converting the film forming value variation into the ink jet attenuation of the nozzle.
3. The method of claim 1, wherein said determining an amount of ink ejection attenuation of a piezoelectric die from said audio signal variation comprises:
calculating a target film forming value of the spray head according to the audio signal variation;
comparing the target film forming value with a standard film forming value to obtain a film forming attenuation value of the spray head;
and converting the film forming attenuation value into the ink jet attenuation of the spray head.
4. The method of claim 1, wherein said determining an amount of ink ejection attenuation of a piezoelectric die from said audio signal variation comprises:
inquiring a standard signal waveform curve corresponding to the audio signal variation;
and comparing the waveform curve of the audio signal variation with the waveform curve of the standard signal to obtain the ink jet attenuation.
5. The method of any one of claims 1-4, wherein said adjusting the supply voltage of the piezoelectric diaphragm according to the amount of inkjet decay comprises:
inquiring a target power supply voltage corresponding to the ink jet attenuation in a power supply voltage mapping relation;
and adjusting the power supply voltage of the piezoelectric membrane to the target power supply voltage.
6. An inkjet component of an inkjet printer, comprising: control circuit, shower nozzle, the shower nozzle includes: the piezoelectric diaphragm and the audio receiving unit are arranged above the piezoelectric diaphragm, and the audio receiving unit and the piezoelectric diaphragm are electrically connected with the control circuit;
the audio receiving unit is configured to receive an audio signal variation generated by the piezoelectric diaphragm after power is supplied and send the audio signal variation to the control circuit;
the control circuit is configured to perform the steps in the control method of the inkjet printer according to any one of claims 1 to 5 according to the audio signal to adjust the power supply voltage of the piezoelectric diaphragm to compensate for the ink ejection amount of the ejection head.
7. The inkjet component of claim 6, wherein the audio receiving unit is in contact with the vibrating portion of the piezoelectric diaphragm.
8. A control device of an inkjet printer, the device comprising:
the acquisition module is configured to acquire the change amount of the audio signal generated by vibration of the piezoelectric diaphragm in the nozzle of the ink-jet printer after power is supplied;
a processing module configured to determine an ink jet delta attenuation of the piezoelectric die from the audio signal delta;
and the control module is configured to adjust the power supply voltage of the piezoelectric diaphragm according to the ink jet attenuation so as to compensate the ink jet quantity of the nozzle.
9. A computing processing device, comprising:
a memory having computer readable code stored therein;
one or more processors, the computer-readable code, when executed by the one or more processors, performs the method of controlling an inkjet printer of any one of claims 1-5.
10. A non-transitory computer-readable medium, wherein a computer program of the control method of the inkjet printer according to any one of claims 1 to 5 is stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576896.2A CN115027145B (en) | 2022-05-25 | 2022-05-25 | Control method of ink-jet printer, ink-jet component, device, apparatus and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576896.2A CN115027145B (en) | 2022-05-25 | 2022-05-25 | Control method of ink-jet printer, ink-jet component, device, apparatus and medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115027145A CN115027145A (en) | 2022-09-09 |
| CN115027145B true CN115027145B (en) | 2023-10-13 |
Family
ID=83122062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210576896.2A Active CN115027145B (en) | 2022-05-25 | 2022-05-25 | Control method of ink-jet printer, ink-jet component, device, apparatus and medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115027145B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117465135B (en) * | 2023-11-24 | 2024-07-02 | 广州市森扬电子科技有限公司 | Spray nozzle voltage output self-correction method, device and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094629A (en) * | 2001-09-27 | 2003-04-03 | Seiko Epson Corp | Liquid ejection device |
| CN102131644A (en) * | 2008-08-27 | 2011-07-20 | 奥西-技术有限公司 | Method for detecting operating state of fluid chamber of inkjet print head |
| CN102211474A (en) * | 2010-03-30 | 2011-10-12 | 精工爱普生株式会社 | Capacitive load driving circuit, ink jet printer, and fluid ejecting apparatus |
| CN109353121A (en) * | 2018-09-28 | 2019-02-19 | 共享智能铸造产业创新中心有限公司 | The calculation method and device of ink-jet attenuation based on ink jetting printing head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6071033B2 (en) * | 2012-03-19 | 2017-02-01 | 株式会社リコー | Droplet discharge device and particle manufacturing device |
-
2022
- 2022-05-25 CN CN202210576896.2A patent/CN115027145B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094629A (en) * | 2001-09-27 | 2003-04-03 | Seiko Epson Corp | Liquid ejection device |
| CN102131644A (en) * | 2008-08-27 | 2011-07-20 | 奥西-技术有限公司 | Method for detecting operating state of fluid chamber of inkjet print head |
| CN102211474A (en) * | 2010-03-30 | 2011-10-12 | 精工爱普生株式会社 | Capacitive load driving circuit, ink jet printer, and fluid ejecting apparatus |
| CN109353121A (en) * | 2018-09-28 | 2019-02-19 | 共享智能铸造产业创新中心有限公司 | The calculation method and device of ink-jet attenuation based on ink jetting printing head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115027145A (en) | 2022-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109823049B (en) | Multi-target jet frequency control method and device for jet printing liquid drops | |
| CN115027145B (en) | Control method of ink-jet printer, ink-jet component, device, apparatus and medium | |
| EP1924897B1 (en) | Waveform shaping interface | |
| CN109823050B (en) | Multi-stage positioning error compensation method and device for liquid drop ejection for ink-jet printing | |
| CN106061742B (en) | Improve drop speed, quality and form uniformity | |
| TWI232176B (en) | Waveform determining device, waveform determining method, droplet ejecting device, droplet ejecting method, film forming method, device manufacturing method, electronic optical device, and electronic device | |
| CN110315850A (en) | The rapid survey of the drop parameter of Industrial printing systems | |
| KR20230137481A (en) | Techniques for print ink droplet measurement and control to deposit fluids within precise tolerances | |
| US7594308B2 (en) | Method for producing a piezoelectric actuator and a liquid transporting apparatus | |
| JPWO2002090984A1 (en) | Biochip manufacturing method | |
| CN100540154C (en) | The manufacture method of ultrasonic transducer and ultrasonic transducer | |
| CN111070900A (en) | Piezoelectric ink-jet printing device for removing printing ink bubbles and control method thereof | |
| CN102131646B (en) | Ink jetting | |
| JP4735086B2 (en) | Droplet ejection apparatus, droplet speed adjustment method, program, and recording medium | |
| CN114603996B (en) | Method for determining driving voltage waveform of piezoelectric ink-jet printing head | |
| JP5131450B2 (en) | Droplet discharge amount adjusting method and pattern forming apparatus | |
| JP2006114562A (en) | Piezoelectric substance film, piezoelectric element, piezoelectric actuator, piezoelectric pump, inkjet type recording head, inkjet printer, surface acoustic wave device, thin-film piezoelectric resonator, frequency filter, oscillator, electronic circuit, and electronic device | |
| JP2004042559A (en) | Inspection method for liquid jet head | |
| JP5272427B2 (en) | Droplet ejection method | |
| JP4816002B2 (en) | Piezoelectric actuator manufacturing method, liquid transfer device manufacturing method, and piezoelectric actuator manufacturing apparatus | |
| JP7119511B2 (en) | Device for ejecting liquid and method for detecting abnormality in device for ejecting liquid | |
| JP2008244266A (en) | Method for manufacturing piezoelectric element, ink-jet type recording head, and ink jet printer | |
| US20240066860A1 (en) | Liquid ejection apparatus and driving method | |
| CN112895723B (en) | Ink-jet printing device, method, computer equipment and storage medium | |
| JP7298186B2 (en) | Ultrasonic measuring device and ultrasonic measuring 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 |