CN113478973B - Arrayed electrofluid jet printing control method and device for inhibiting jet inclination - Google Patents
Arrayed electrofluid jet printing control method and device for inhibiting jet inclination Download PDFInfo
- Publication number
- CN113478973B CN113478973B CN202110609528.9A CN202110609528A CN113478973B CN 113478973 B CN113478973 B CN 113478973B CN 202110609528 A CN202110609528 A CN 202110609528A CN 113478973 B CN113478973 B CN 113478973B
- Authority
- CN
- China
- Prior art keywords
- voltage
- nozzle
- jet
- switch
- ignition
- 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
Images
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
- B41J2/07—Ink jet characterised by jet control
- B41J2/075—Ink jet characterised by jet control for many-valued deflection
- B41J2/095—Ink jet characterised by jet control for many-valued deflection electric field-control type
Landscapes
- Ink Jet (AREA)
Abstract
The invention belongs to the technical field of ink-jet printing, and particularly discloses an arrayed electrofluid jet printing control method and device for inhibiting jet inclination, wherein the method comprises the following steps: the working voltage is applied to the ignition nozzle to enable the ignition nozzle to spray, meanwhile, the regulation voltage is applied to the non-ignition nozzle adjacent to the ignition nozzle to enable the non-ignition nozzle not to spray, and the electric field at the spraying position of the ignition nozzle can be regulated, so that the jet inclination is restrained. The invention can solve the independent jet control requirement of the current array electric fluid jet printing nozzle, effectively reduces jet flow inclination phenomenon during jet through methods of high-low voltage electric field regulation, nozzle tri-state switching and interval ignition time sequence control, lays a foundation for automatic control and patterning printing of the array electric fluid jet printing nozzle, and has the advantages of simple structure, high synchronism, strong reliability, convenience for expansion and the like.
Description
Technical Field
The invention belongs to the technical field of ink-jet printing, and particularly relates to an arrayed electrofluid jet printing control method and device for inhibiting jet inclination.
Background
The ink-jet printing technology is a non-contact and template-free additive manufacturing process, has good manufacturing flexibility, is one of the mainstream methods for manufacturing printed electronic products, and is widely applied to the fields of intelligent products based on printed electronics, such as thin film sensors, flexible displays and intelligent labels. The traditional ink-jet printing adopts a 'pushing' mode to extrude and deposit the solution from the jet orifice to the substrate to form a pattern, the viscosity is generally suitable to be 5-20 mPa.s, the diameter of the jetted liquid drop is larger than the jet orifice, and the diameter is generally 30-100 μm. The electro-fluid jet printing drags the solution from the meniscus to the substrate in a pulling mode by means of electric field force to form a pattern, the viscosity range is wide and is 1-10000 mPa · s, the electro-fluid jet printing liquid drop diameter is generally smaller than that of a nozzle, and the minimum resolution can reach 0.2 μm.
The key to realizing the electrofluid ink-jet printing is the electrofluid ink-jet printing nozzle. Metal needle tubes, capillary glass needle tubes and the like can be used as the electrofluid ink-jet printing nozzles, but the nozzles are difficult to realize large-scale and high-density integration, high-efficiency and high-precision electrofluid ink-jet printing cannot be realized, and the requirements of industrial production cannot be met. In order to overcome the problem of low efficiency of single-nozzle point-by-point printing, research on arrayed electrofluid spray printing nozzles is developed successively, related progress is made on the design and preparation of a multi-nozzle independently controllable spraying method and a high-precision nozzle array at present, but a complete nozzle driving structure is lacked, independent control over the voltage of each nozzle electrode cannot be achieved when the number of nozzles is large, and meanwhile, an arrayed nozzle does not have a mature control strategy and a complete control system and cannot meet the requirement of automatic control.
The current mainstream independent control method of the arrayed electrofluid spray printing nozzle comprises two methods of introducing a control electrode and directly electrifying liquid, wherein the introduced control electrode can adjust the potential difference between the nozzle and a substrate to effectively control the spraying, but jet flow is easy to accumulate on a control electrode layer to cause conduction and is difficult to wipe; the liquid is directly electrified by directly connecting the solution in the nozzle with high voltage, so that the ignition nozzle can generate enough field intensity due to the high voltage to spray, but the non-ignition nozzle is not processed, so that the non-ignition nozzle is very easy to cause error spraying due to electric field crosstalk, a transverse electric field can be formed between the adjacent non-ignition nozzle and the ignition nozzle, a vertical electric field also exists between the substrate and the ignition nozzle, and the two are superposed to generate an oblique electric field force to generate a jet flow inclination phenomenon.
Disclosure of Invention
In view of the above defects or improvement requirements of the prior art, the present invention provides an arrayed electrofluid spray printing control method and apparatus for inhibiting jet inclination, and aims to solve the problems that the jet inclination phenomenon is easy to occur in the current arrayed electrofluid spray printing nozzle independent control, and a mature control strategy and control system are lacked.
To achieve the above object, according to an aspect of the present invention, there is provided an arrayed electro-fluidic jet printing control method for suppressing jet inclination, including the steps of:
the working voltage is applied to the ignition nozzle to enable the ignition nozzle to spray, meanwhile, the regulation voltage is applied to the non-ignition nozzle adjacent to the ignition nozzle to enable the non-ignition nozzle not to spray, and the electric field at the spraying position of the ignition nozzle can be regulated, so that the jet inclination is restrained.
More preferably, the working voltage is 1-1.2 times of the nozzle opening voltage, and the regulating voltage is 1/2-2/3 times of the nozzle opening voltage.
Preferably, the operating voltage is provided by a signal generator and a high voltage amplifier, and the signal generator generates a voltage signal and then the voltage signal is amplified by the high voltage amplifier to provide the operating voltage for the ignition nozzle.
As a further preference, the regulated voltage is provided by a high voltage dc source.
Further preferably, the nozzle which is not adjacent to the ignition nozzle and which is not used abnormally is kept in a floating state by not applying a voltage.
According to another aspect of the present invention, there is provided an arrayed fluid jet printing device for suppressing jet inclination for implementing the above method, comprising a plurality of nozzles, a voltage source, a high voltage switch array, and a driving module, wherein:
the voltage source comprises a working signal source and a regulating signal source which are respectively used for generating a working voltage signal and a regulating voltage signal; the high-voltage switch array comprises a plurality of switch groups connected in parallel, and the switch groups are connected with the nozzles in a one-to-one correspondence manner; each switch group comprises two switches, wherein one switch is connected with a working voltage signal, and the other switch is connected with a regulation voltage signal; the driving module is used for driving and controlling the on-off of each switch.
Preferably, the operating signal source includes a signal generator and a high-voltage amplifier, which are connected to each other, wherein the signal generator is configured to generate voltage signals with various waveforms, and the high-voltage amplifier is configured to amplify the voltage signals to obtain operating voltage signals.
Preferably, the control signal source is a high voltage dc source.
Preferably, the driving module includes a plurality of driving submodules, and each driving submodule controls one switch group correspondingly; the driving sub-module comprises an indicator light and an overcurrent detection protector, and the logic state of the indicator light is consistent with that of a corresponding switch of the indicator light and is used for displaying the spraying state of each nozzle in real time; the overcurrent detection protector is used for monitoring the current in the loop in real time and cutting off the loop when the current exceeds a limit value.
Preferably, the printer further comprises a digital main control module, wherein the digital main control module is used for converting the print data into logic control signals for opening and closing each switch, and outputting the logic control signals to the driving module according to a given time sequence.
Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
1. based on the principle of high-low voltage electric field regulation, the invention adopts a low-voltage-high-voltage-low voltage interval ignition control mode for the nozzles, avoids mutual interference among ignition nozzles, applies a non-ignition nozzle with regulated voltage, can regulate the electric field at the injection position of the ignition nozzle, reduces the transverse potential difference, reduces the influence force of the transverse electric field, further effectively reduces the jet flow inclination phenomenon during injection, and lays a foundation for the automatic control and patterned printing of the arrayed fluid jet printing nozzle.
2. In order to ensure that the nozzles realize injection, the working voltage of the ignition nozzles is set to be 1-1.2 times of the starting voltage of the nozzles, appropriate regulating voltage is correspondingly applied to the adjacent non-ignition nozzles, and the regulating voltage is not too small as the regulating voltage is closer to the starting voltage, the inhibiting effect of jet inclination is more obvious, otherwise, the action is not obvious, and the action of inhibiting the jet inclination cannot be realized; the size of the nozzle is not too large, so that the non-ignition nozzle is close to or even exceeds the starting voltage, and the error injection is generated; through a large amount of research and tests, the voltage of the non-ignition nozzle is 1/2-2/3 which is not more than the starting voltage under the working condition, and the jet inclination angle can be reduced to be less than 20%.
3. The invention also designs a corresponding control device aiming at the control method, based on the high-voltage switch array, the real-time switching of three states (ignition, non-ignition and suspension) of the nozzle is realized by adopting a mode of combining two groups and mutually matching, the high-voltage and low-voltage matching of the ignition nozzle and the non-ignition nozzle is completed, the independent injection control and the jet inclination suppression of the arrayed fluid nozzle are finally realized, and the device can be expanded to hundreds of channels, and has the advantages of simple structure, high synchronism, strong reliability, convenience for expansion and the like.
4. The working signal source directly determines whether the ignition nozzle can spray or not, and the parameters such as amplitude, frequency and the like are required to be adjusted to adapt to different inks, so that the invention adopts a mode of combining the signal generator and the high-voltage amplifier, and the signal generator can generate any waveform including sine waves and rectangular pulse waves; the regulating signal source is mainly applied to adjacent non-ignition nozzles, and the ignition nozzles are subjected to electric field regulation to inhibit jet inclination, which is generally a stable direct current signal and is realized by adopting a high-voltage direct current source.
Drawings
FIG. 1 is a schematic diagram of independent control of eight-nozzle arrayed fluidic inkjet printing according to an embodiment of the present invention;
FIG. 2 is a block diagram of an arrayed fluid jet printing device with jet tilt suppression according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of electric field simulation for high-low voltage electric field regulation according to an embodiment of the present invention;
FIG. 4 is a diagram of a high voltage dry reed relay driver circuit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of independent spraying of each nozzle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the invention provides an arrayed electrofluid jet printing control method for inhibiting jet inclination, which comprises high-low voltage electric field regulation, nozzle tri-state switching and interval ignition time sequence control, wherein:
the high-low voltage electric field regulation and control is that high voltage (working voltage) is applied to the ignition nozzle, and low voltage (regulation and control voltage) is applied to the non-ignition nozzle adjacent to the ignition nozzle, so that the electric field at the spraying position is regulated and controlled, the electric field is more concentrated to effectively reduce the jet flow inclination phenomenon, and the nozzles which are not used are not damaged under the non-working condition, the dummy nozzles and the abnormal damage, and the nozzles are not applied with voltage, so that the nozzles are in a suspended state.
The three-state switching of the nozzles is realized by a hardware circuit mode, namely switching of a high-voltage state, a low-voltage state and a suspension state at each nozzle is realized, the high-voltage state and the low-voltage state are used for meeting the requirement of electric field regulation, and the suspension state can selectively shield the non-working nozzles, so that the overall power consumption is reduced.
The interval ignition time sequence control is to avoid the direct adjacent of the ignition nozzles, and to adopt the interval ignition mode of 'low pressure-high pressure-low pressure', so as to ensure that the ignition nozzles can form high and low pressure electric field regulation and control without mutual interference. And meanwhile, time sequence control is introduced, so that the spraying states of all the nozzles change according to a certain time sequence, and automatic control and patterned printing are realized by matching with the movement of the substrate.
Furthermore, the working voltage is 1-1.2 times of the opening voltage of the nozzle, the regulating voltage is 1/2-2/3 times of the opening voltage of the nozzle, and the false injection of the non-ignition nozzle can be prevented while jet inclination is restrained.
The utility model provides an array ization fluid of suppression efflux slope spouts seal device, includes a plurality of nozzles, voltage source, high-voltage switch array, drive module, digital host control module and host computer, wherein:
the voltage source comprises a working signal source and a regulating signal source which are respectively used for generating a working voltage signal and a regulating voltage signal. Specifically, a working signal source directly determines whether the ignition nozzle can spray, and the parameters such as amplitude, frequency and the like are required to be adjusted to adapt to different inks, so that a mode of combining a signal generator and a high-voltage amplifier is adopted, the ignition nozzle can generate any waveform including sine waves and rectangular pulse waves, the amplitude range is-10 kV to 10kV, the frequency can reach 50kHz, and the parameters can be manually set or controlled by software; the control signal source is mainly applied to the adjacent non-ignition nozzles to control the electric field of the ignition nozzles to inhibit the inclination of the jet flow, is generally a stable direct current signal and is realized by adopting a high-voltage direct current source, and it needs to be noted that the control signal is still high voltage of kilovolt level in a broad sense and is only lower than the working voltage.
The high-voltage switch array is the core for realizing the three-state switching of the nozzles, and is realized by a mode of mutually matching two groups. Specifically, the high-voltage switch array comprises a plurality of switch groups connected in parallel, and the switch groups are connected with the nozzles in a one-to-one correspondence manner to ensure that high-voltage and low-voltage signals received by the nozzles are independent; in each switch group, two switches correspond to a nozzle, the output end of the first switch is communicated with the input end of the second switch and is connected with the nozzle, the input end of the first switch is connected with a high-voltage signal (working voltage signal), the output end of the second switch is connected with a low-voltage signal (regulating voltage signal), and the two can generate three states of 'gating high voltage' (the first switch is closed and the second switch is opened), 'gating low voltage' (the first switch is opened and the second switch is closed) and 'suspending' (the first switch is opened and the second switch is opened) through the matching of the on-off states. The high-voltage switch array is a high-voltage dry reed relay, and can also be a solid-state high-voltage switch element such as a high-voltage MOS tube, a BJT and the like.
The driving module provides a logic interface for the digital main control, and comprises a plurality of driving sub-modules, and each driving sub-module correspondingly controls one switch group to drive each switch. The drive submodule includes level shifter, transistor switch tube, isolator, pilot lamp and overcurrent detection protector, wherein: the input end of the level converter is connected with the independent power supply, and the output end of the level converter is connected with the driving end of the high-voltage switch array and used for converting the low-voltage power supply level of the independent power supply into the driving level meeting the action of the high-voltage switch to meet the driving requirement of the high-voltage switch array. The transistor switch tube determines the conducting or cut-off state according to the received logic signal, controls whether the driving level signal can reach the high-voltage switch to drive the high-voltage switch to execute the on-off action, and is in the form of a triode or an MOS tube and the like. The isolator is used for isolating a low-voltage digital logic signal generated by the digital main control module from a high-voltage analog signal connected with the high-voltage switch array, protecting a logic control part in the digital main control module, and adopting optical coupling isolation, optical fiber isolation or transformer isolation. The indicating lamps are composed of a plurality of state indicating lamps with the same number as the switching elements in the high-voltage switch array, the logic states of the state indicating lamps are consistent with the corresponding high-voltage switching elements, and the state indicating lamps are used for displaying the spraying states of all the nozzles in real time. The overcurrent detection protector is used for monitoring the current in the loop in real time and timely cutting off the loop when the current exceeds a limit value, so that the safety of the whole device is ensured.
The digital main control module is used for receiving, processing, caching, outputting and sequential logic control of data, and is a single chip microcomputer or other forms of microcontrollers such as PLD (programmable logic device) or FPGA (field programmable gate array). The digital main control module comprises basic components of a minimum system such as a processor chip, power management, a communication port and an IO port, and also comprises hardware components related to sequential logic control such as a register, a shift register and a latch. After a user inputs required printing data, the digital main control receives the printing data, converts the printing data into logic control signals required by the action of each high-voltage switch, stores the logic control signals in an internal register and a shift register, and then outputs the logic control signals to the driving module in series or in parallel according to a given time sequence.
The upper computer is a human-computer interaction interface and is used for converting patterns to be printed by a user into data and sending the data to the digital main control module, and the output parameters of the voltage source can be set and adjusted through software. The upper computer is a PC, and can also be other equipment such as an industrial personal computer, a touch screen and the like; the upper computer transmits information with the digital main control module through serial port communication, and CAN also be other communication protocols such as CAN or optical fiber and the like.
The following are specific examples:
the arrayed fluid jet printing device comprises an arrayed spray head, a high-voltage source, a high-voltage switch array, a driving module, a digital main control module and an upper computer, as shown in figure 2, wherein:
the array nozzle adopts a protruding micro-needle structure, comprises 8 nozzles with independent leading-out electrodes, the distance is 1mm, the power-up mode is that liquid is directly powered up, and the starting voltage is about 1800V.
The high-voltage source is divided into a working signal source and a regulation signal source, the working signal source adopts a signal generator and a high-voltage amplifier to be combined, and the regulation signal source adopts a high-voltage direct-current source.
The high-voltage switch array is composed of 8 groups of high-voltage dry reed relays which are connected in parallel and correspond to 8 nozzles one to one, each group comprises two high-voltage switches, wherein the output end of a first switch is communicated with the input end of a second switch and is connected with the nozzles, the input end of the first switch is connected with a high-voltage signal, and the output end of the second switch is connected with a low-voltage signal, so that when the first switch is turned on and the second switch is turned off, the corresponding nozzles receive the high-voltage signal; when the first switch is turned off and the second switch is turned on, the corresponding nozzle receives a low-voltage signal; when the first switch and the second switch are both turned off, the corresponding nozzle does not receive signals and is in a non-working state. The model of the high-voltage reed relay forming the array is HM24-1A83-06, the withstand voltage value reaches 10kV, the on-load switching voltage can reach 3500V, and the driving level is 24V.
The driving module comprises a plurality of driving submodules, the number of the driving submodules is consistent with that of the high-voltage dry reed relays, each submodule mainly comprises a transistor switch tube, a level conversion module and an indicator lamp module, wherein the level conversion circuit takes a DC-DC isolation module power supply as a core, the model is VRB0524YMD-10WR3, peripheral input and output filter capacitance values are respectively 100 muF and 10 muF, the voltage can be boosted to 24V from 5V to reach the driving voltage of the high-voltage switch element, the output power of the driving module can reach 10W, 8 high-voltage dry reed relays can be driven simultaneously, and as shown in figure 4, the driving module is taken as an isolation power supply and can well protect a digital logic part. The transistor switching tube selects a triode with the model number of 2N5551, and a typical triode switching circuit is formed by the triode switching tube, the emitter resistor, the base resistor and the fly-wheel diode to control whether the relay performs on-off action. The indicating lamp module consists of a light emitting diode and a current limiting resistor thereof, the anode is connected with a logic level of 3.3V, and the cathode is connected with the base electrode of the triode, so that the logic state of the indicating lamp module is ensured to correspond to the relay.
The digital main control module adopts a single chip microcomputer minimum system with the chip model of STM32F103C8T6, and is additionally provided with a CH340G chip and a 74HC595 shift register chip as peripheral circuits to respectively realize serial communication with an upper computer and the functions of receiving, caching and parallel output of 8-bit data.
The upper computer adopts a Personal Computer (PC) and communicates with the digital main control module through a USB port to transmit printing data. And the high-voltage signal is also connected with a high-voltage source through a USB port, and the parameters of the high-voltage signal are set through software.
When the high-voltage dry reed switch is used, firstly, the upper computer gives printing data and sends the data to the digital main control through the USB port, the digital main control processes the data and converts the data into logic control signals of all nozzles, the logic control signals are stored in the shift register, then the signals are parallelly output to all driving sub-modules after an ignition command arrives, the corresponding high-voltage dry reed relay is driven to execute on-off action, at the moment, two high-voltage switches in all groups are matched to determine the state of the corresponding nozzle, the nozzle receiving the high-voltage signal is an ignition nozzle, the nozzle receiving the low-voltage signal is a non-ignition nozzle, the suspended nozzle is a non-working nozzle, and the injection process in one printing period is completed. It should be noted that the states of the nozzles should satisfy the principles of "high-low pressure regulation" and "intermittent firing", and after one injection process is completed, the next print data is waited to arrive, and the process is repeated. As shown in fig. 1, when "3, 5, 7" ejection is selected from 8 nozzles, the high voltage signal is 2000V dc and is greater than the ink opening voltage, and the low voltage signal is 1200V dc and is lower than the ink opening voltage, and the jet inclination phenomenon of the ignition nozzle can be suppressed. The ignition nozzle 357 needs to receive a high voltage signal, and the corresponding high voltage switch group is in a state that the first switch is turned on and the second switch is turned off, so that the logic control signal is "10"; the non-firing nozzle 246 needs to receive a low-voltage signal, and the logic signal of the high-voltage switch group is "01"; the dummy nozzle 1 is in a non-operating state and needs to be kept in a floating state, so that the logic signal of the high-voltage switch is '00'. When the device works, the electric field simulation schematic diagram is shown in fig. 3, and the independent spraying conditions of No. 2-No. 7 nozzles are shown in fig. 5.
In summary, the invention can realize independent control of a single nozzle on the basis of inhibiting jet flow inclination by applying high pressure to the ignition nozzle and applying proper low pressure to the adjacent non-ignition nozzles, and can realize independent injection control of a plurality of nozzles without mutual influence by combining with an interval ignition timing control mode. According to the control method, based on the high-voltage switch array, the three states of the nozzles are switched in real time in a mode of combining two high-voltage switch arrays and mutually matching, and a hardware structure and a logic interface are provided for automatic control of the arrayed fluid jet printing nozzle. The invention solves the problems of jet inclination phenomenon easily occurring in the independent control of the current array electrofluid spray printing spray head and lack of mature control strategy and control system, and has the advantages of simple structure, high synchronism, strong reliability, convenient expansion and the like.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. An arrayed electrofluid spray printing control method for inhibiting jet inclination is characterized by comprising the following steps:
applying working voltage to the ignition nozzle to enable the ignition nozzle to spray, and simultaneously applying regulation voltage to the non-ignition nozzle adjacent to the ignition nozzle to enable the non-ignition nozzle not to spray, and adjusting the electric field at the spraying position of the ignition nozzle so as to inhibit the inclination of jet flow;
the working voltage is 1-1.2 times of the nozzle opening voltage, and the regulating voltage is 1/2-2/3 times of the nozzle opening voltage;
the working voltage is provided by the signal generator and the high-voltage amplifier, and the signal generator generates a voltage signal and then amplifies the voltage signal by the high-voltage amplifier so as to provide the working voltage for the ignition nozzle.
2. The arrayed electrofluid ejection control method for suppressing jet inclination according to claim 1, wherein the regulation voltage is supplied from a high-voltage dc source.
3. The arrayed electric fluid jet printing control method for suppressing jet inclination as claimed in claim 1 or 2, wherein no voltage is applied to the nozzles which are not adjacent to the ignition nozzle and are not used abnormally, so that the nozzles are kept in a suspended state.
4. An arrayed fluid ejection device for implementing the method of any one of claims 1-3, comprising a plurality of nozzles, a voltage source, an array of high voltage switches, and a drive module, wherein:
the voltage source comprises a working signal source and a regulating signal source which are respectively used for generating a working voltage signal and a regulating voltage signal; the high-voltage switch array comprises a plurality of switch groups connected in parallel, and the switch groups are connected with the nozzles in a one-to-one correspondence manner; each switch group comprises two switches, wherein one switch is connected with a working voltage signal, and the other switch is connected with a regulation voltage signal; the driving module is used for driving and controlling the on-off of each switch.
5. The arrayed fluidic inkjet printing apparatus for suppressing jet tilt according to claim 4, wherein the operating signal source comprises a signal generator and a high voltage amplifier which are connected with each other, wherein the signal generator is configured to generate voltage signals of various waveforms, and the high voltage amplifier is configured to amplify the voltage signals to obtain the operating voltage signals.
6. The arrayed electrical fluid ejection device for suppressing jet tilt of claim 4, wherein the control signal source is a high voltage direct current source.
7. The arrayed fluidic inkjet printing device for suppressing jet tilt according to claim 4, wherein the driving module comprises a plurality of driving sub-modules, and each driving sub-module controls one switch group correspondingly; the driving sub-module comprises an indicator light and an overcurrent detection protector, and the logic state of the indicator light is consistent with that of a corresponding switch of the indicator light and is used for displaying the spraying state of each nozzle in real time; the overcurrent detection protector is used for monitoring the current in the loop in real time and cutting off the loop when the current exceeds a limit value.
8. The arrayed current jet printing apparatus for suppressing jet inclination according to any one of claims 4 to 7, further comprising a digital main control module for converting print data into logic control signals for opening and closing each switch and outputting them to the driving module according to a given timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609528.9A CN113478973B (en) | 2021-06-01 | 2021-06-01 | Arrayed electrofluid jet printing control method and device for inhibiting jet inclination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609528.9A CN113478973B (en) | 2021-06-01 | 2021-06-01 | Arrayed electrofluid jet printing control method and device for inhibiting jet inclination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113478973A CN113478973A (en) | 2021-10-08 |
| CN113478973B true CN113478973B (en) | 2022-04-29 |
Family
ID=77934220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110609528.9A Active CN113478973B (en) | 2021-06-01 | 2021-06-01 | Arrayed electrofluid jet printing control method and device for inhibiting jet inclination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113478973B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261205B (en) * | 2021-12-21 | 2022-08-26 | 武汉先同科技有限公司 | Printing quality optimization method based on dynamic adjustment of printing voltage |
| CN116749649B (en) * | 2023-06-07 | 2024-01-02 | 武汉国创科光电装备有限公司 | Device for electro-hydrodynamic atomization film forming process and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2371545A1 (en) * | 2010-03-29 | 2011-10-05 | Fujifilm Corporation | Jetting device with reduced crosstalk |
| CN104191819A (en) * | 2014-06-25 | 2014-12-10 | 华中科技大学 | Array electric fluid jet printing head characterized by independently controllable nozzle jet and realization method of independent control of jet of nozzles |
| CN106799891A (en) * | 2015-11-26 | 2017-06-06 | 深圳市富彩三维技术有限公司 | A kind of array electrofluid spray printing shower nozzle and logic control method |
| CN112265379A (en) * | 2020-10-27 | 2021-01-26 | 华中科技大学 | Independent controllable array type electric jet printing spray head for inhibiting electric field crosstalk |
| CN112644178A (en) * | 2020-12-22 | 2021-04-13 | 武汉科技大学 | In-line electrofluid printing nozzle capable of inhibiting jet flow interference and printing method |
-
2021
- 2021-06-01 CN CN202110609528.9A patent/CN113478973B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2371545A1 (en) * | 2010-03-29 | 2011-10-05 | Fujifilm Corporation | Jetting device with reduced crosstalk |
| CN102218909A (en) * | 2010-03-29 | 2011-10-19 | 富士胶片株式会社 | Jetting device with reduced crosstalk |
| CN104191819A (en) * | 2014-06-25 | 2014-12-10 | 华中科技大学 | Array electric fluid jet printing head characterized by independently controllable nozzle jet and realization method of independent control of jet of nozzles |
| CN106799891A (en) * | 2015-11-26 | 2017-06-06 | 深圳市富彩三维技术有限公司 | A kind of array electrofluid spray printing shower nozzle and logic control method |
| CN112265379A (en) * | 2020-10-27 | 2021-01-26 | 华中科技大学 | Independent controllable array type electric jet printing spray head for inhibiting electric field crosstalk |
| CN112644178A (en) * | 2020-12-22 | 2021-04-13 | 武汉科技大学 | In-line electrofluid printing nozzle capable of inhibiting jet flow interference and printing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113478973A (en) | 2021-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113478973B (en) | Arrayed electrofluid jet printing control method and device for inhibiting jet inclination | |
| CN1839048B (en) | Individual jet voltage trimming circuitry system | |
| CN104191819B (en) | Nozzle sprays independent controlled array electrofluid jet-printing head and its implementation | |
| CN105050813B (en) | For the device and method of ink-jet | |
| CN101094769A (en) | Individual voltage trimming with waveforms | |
| JPS62261452A (en) | Multivalued recording | |
| CN204123788U (en) | Nozzle sprays independent controlled array electrofluid jet-printing head | |
| CN103862868B (en) | The drive unit of ink gun and the driving method of ink gun | |
| CN108146076A (en) | A kind of digital power amplifier for being used to drive inkjet printer head | |
| CN107565846A (en) | A kind of apparatus and method for producing high-voltage pulse | |
| CN103182844A (en) | Liquid spray head | |
| EP0393602A2 (en) | Ink-jet printer driver | |
| CN203510969U (en) | Ink-jet printer | |
| CN110962344A (en) | Array type micro-droplet generating device based on pneumatic and electrohydrodynamic hybrid driving | |
| CN102241198B (en) | Spray head control plate and spray head driving voltage control method | |
| CN107405916B (en) | Liquid injection apparatus, drive circuit and head unit | |
| JPS62261453A (en) | Multivalued recording | |
| CN108656741A (en) | A kind of ink-jet device for dotting and method using solenoid valve control | |
| JP4123736B2 (en) | Inkjet printer and drive circuit | |
| CN214756107U (en) | Low-power high-precision pulse electroplating power supply | |
| CN105750110B (en) | Automated condtrol electrostatic spraying quick on-off system and its control method | |
| CN118082377A (en) | Voltage control system suitable for arrayed electrofluidic spray heads | |
| CN203496469U (en) | Ink-jet printing device | |
| CN100503247C (en) | Ink jet print head controller and ink jet printer | |
| ATE337915T1 (en) | LIQUID JET APPARATUS AND CONTROL METHOD THEREOF |
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 |