CN110001204B - Ink jet printing system - Google Patents
Ink jet printing system Download PDFInfo
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- CN110001204B CN110001204B CN201910273965.0A CN201910273965A CN110001204B CN 110001204 B CN110001204 B CN 110001204B CN 201910273965 A CN201910273965 A CN 201910273965A CN 110001204 B CN110001204 B CN 110001204B
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- ink
- ink box
- box
- air pressure
- outside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17556—Means for regulating the pressure in the cartridge
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Abstract
The present invention provides an inkjet printing system comprising: the ink box, the air charging device and the data processing system; the inflator includes an electromagnetic valve. The invention has the technical effects that during the period that the ink-jet printing system does not print, the air pressure inside and outside the ink-jet printing device is kept in a balanced state through the air charging system, and meanwhile, the air pressure value can be adjusted according to the change of the volume of the ink in the ink box, so that the air pressure inside and outside the ink box is always kept in a balanced state, and the ink in the ink box is prevented from dripping or being drained.
Description
Technical Field
The invention relates to the field of ink-jet printing, in particular to an ink-jet printing system.
Background
At present, the development trend of the OLED is going on towards the direction of ink-jet printing, when printing, some nozzles to be used need to be hung on a printing device, and as tact time for printing increases, more ink-jet systems are used and more ink supply systems are needed, and in order to prevent the nozzles on the device from corroding the device due to ink leakage, but the wettability of the nozzles needs to be ensured so as not to dry and block the nozzles due to long-time volatilization of ink near the nozzle ends.
Disclosure of Invention
The invention aims to solve the technical problem that when the volume of ink in an ink-jet printing device in the prior art is changed, the ink in a nozzle can drop or be pumped to be dry.
To achieve the above object, the present invention provides an inkjet printing system comprising: the bottom of the ink box is provided with a nozzle; one end of the inflating device is communicated with the ink box, and the other end of the inflating device is communicated with the outside atmosphere; the air charging device comprises an electromagnetic valve used for controlling the air charging speed and the air charging quantity; and a data processing system connected to the solenoid valve; the ink box is used for calculating the air pressure difference inside and outside the ink box according to the ink jet amount and calculating the required inflation amount in the ink box according to the air pressure difference inside and outside the ink box.
Furthermore, each ink box is filled with ink; the ink comprises any one of red ink, blue ink and green ink, and the ink colors in any two ink boxes are different.
Further, the volume of the ink box is 10 ml-50 ml.
Furthermore, the nozzle is triangular, and an opening is formed in the bottom of the nozzle.
Further, the inkjet printing system further includes: the liquid level sensor is arranged in the ink box and is connected to the data processing system; and/or, an ink drop counter disposed below the nozzle and connected to the data processing system.
Further, the inkjet printing system further includes: and the air pressure sensor is arranged in the ink box and is connected to the data processing system.
To achieve the above object, the present invention also provides an inkjet printing method, comprising the steps of: an ink box setting step, wherein ink is filled in an ink box, and a nozzle is arranged at the bottom of the ink box; an ink jet step of performing ink jet printing processing on the substrate; an ink jet amount monitoring step of monitoring the ink jet amount in real time; an air pressure difference calculating step of calculating an air pressure difference between the inside and the outside of the ink cartridge according to the ink jet amount; an inflation quantity calculating step, namely calculating the required inflation quantity in the ink box according to the air pressure difference between the inside and the outside of the ink box; and an inflation step of inflating the inside of the ink cartridge so that air pressures inside and outside the ink cartridge are in a balanced state.
Further, before the ink jetting step, a data entry step is included, wherein the total volume of the ink box, the density of the ink in the ink box and the volume of each ink drop are entered.
Further, the ink ejection amount monitoring step includes: an ink droplet number acquisition step of acquiring the number of ink droplets discharged from the ink cartridge in real time; and/or a liquid level acquisition step of acquiring the liquid level height of the ink box in real time.
Further, in the step of inflating, after the ink in the ink cartridge is reduced, an electromagnetic valve in the inflating device is opened to inflate the ink cartridge, so that the air pressure inside and outside the ink cartridge is in a balanced state, and then the electromagnetic valve is closed.
The invention has the technical effects that when the ink-jet printing system does not print, the air pressure inside and outside the ink-jet printing device is kept in a balanced state through the air charging system, and meanwhile, the air pressure value can be adjusted according to the change of the volume of the ink in the ink box, so that the air pressure inside and outside the ink box of the ink-jet printing system is always kept in a balanced state, and the ink in the ink box is prevented from dripping or being drained.
Drawings
FIG. 1 is a schematic block diagram of an inkjet printing system according to an embodiment of the present invention;
FIG. 2 is a system block diagram of an inkjet printing system according to an embodiment of the present invention;
FIG. 3 is a system block diagram of another inkjet printing system according to an embodiment of the present invention
Fig. 4 is a flowchart of a method of inkjet printing according to an embodiment of the present invention.
Some of the components are identified as follows:
1. an ink cartridge; 11. a nozzle; 2. an inflator.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to make and use the present invention in a complete manner, and is provided for illustration of the technical disclosure of the present invention so that the technical disclosure of the present invention will be more clearly understood and appreciated by those skilled in the art how to implement the present invention. The present invention may, however, be embodied in many different forms of embodiment, and the scope of the present invention should not be construed as limited to the embodiment set forth herein, but rather construed as being limited only by the following description of the embodiment.
The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are used for explaining and explaining the present invention, but not for limiting the scope of the present invention.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. In addition, the size and thickness of each component shown in the drawings are arbitrarily illustrated for convenience of understanding and description, and the present invention is not limited to the size and thickness of each component.
When certain components are described as being "on" another component, the component can be directly on the other component; there may also be an intermediate component disposed on the intermediate component and the intermediate component disposed on another component. When an element is referred to as being "mounted to" or "connected to" another element, they are directly "mounted to" or "connected to" the other element or "mounted to" or "connected to" the other element through an intermediate element.
As shown in fig. 1 and 2, the present embodiment provides an inkjet printing system including: ink box 1, aerating device 2, level sensor, baroceptor and data processing system.
The bottom of the ink box 1 is provided with a nozzle 11, the nozzle 11 is triangular, the bottom of the nozzle 11 is provided with an opening for ink jetting, and the triangular nozzle can reduce the residue of ink in the nozzle 11 in the actual ink jetting printing process, avoid blocking the nozzle 11 and prolong the service life of the nozzle 11.
The volume of the ink box 1 is 10ml to 50ml, and each ink box is filled with ink; the ink includes any one of red ink, blue ink and green ink, and the ink colors in any two ink cartridges are different, in this embodiment, the inks in the three ink cartridges are respectively the red ink, the green ink and the blue ink, so as to print different colors according to actual requirements.
One end of the air charging device 1 is communicated to the ink box 1 through a vent pipeline, and the other end of the air charging device is communicated to the outside atmosphere, so that air is charged into the ink box 1, and the air pressure inside and outside the ink box 1 is kept in a balanced state. The inflator 1 includes therein an electromagnetic valve for controlling the inflation speed and the inflation amount.
The data processing system is arranged outside the ink box 1 and connected to the electromagnetic valve, and is used for calculating the air pressure difference inside and outside the ink box 1 according to the ink jet amount and calculating the required inflation amount in the ink box 1 according to the air pressure difference inside and outside the ink box 1.
In this embodiment, the liquid level sensor is disposed in the ink cartridge 1 and connected to the data processing system for acquiring the liquid level of the ink in the ink cartridge 1 in real time. The volume of the ink remaining in the ink cartridge 1 is calculated from the liquid level height, and the volume of the ink ejected each time, that is, the ink ejection amount, is calculated.
In other embodiments, the inkjet printing system may further include a drop counter disposed below the nozzle 11 and connected to the data processing system for acquiring the number of ink drops discharged from the ink cartridge 1 in real time so as to monitor the amount of ejected ink in real time.
The air pressure sensor is arranged in the ink box 1 and connected to the data processing system for acquiring an air pressure value in the ink box 1 in real time, so that after the data processing system calculates the required inflation volume in the ink box 1, the on-off state and the on-off frequency of the electromagnetic valve are controlled, and the inflation volume is accurately controlled.
The ink-jet printing system has the technical effects that the ink-jet amount is monitored in real time, the drop number of required ink is calculated, and the ink box is inflated after the calculation processing of the data processing system, so that the air pressure inside and outside the ink box is always kept in a balanced state no matter the ink-jet printing system is in a static state.
As shown in fig. 3, based on the inkjet printing system, the present embodiment further provides an inkjet printing method, which includes steps S1 to S7.
S1 setting an ink box, filling ink in the ink box, wherein the ink is divided into red ink, green ink and blue ink, the colors of the ink in the three ink boxes are different, the bottom of the ink box is provided with a nozzle, the longitudinal section of the nozzle is triangular, the adhesion of the ink can be reduced, the nozzle can be prevented from being blocked by the ink, and the service life of the nozzle can be prolonged.
And S2, a data entry step, wherein the total volume of the ink box, the density of the ink in the ink box and the volume of each ink drop are entered at a terminal of a data processing system, so that the calculation processing of a subsequent data processing system is facilitated.
And an ink jetting step of S3, wherein the substrate is subjected to ink jet printing processing.
And S4 ink jet amount monitoring step, which monitors the ink jet amount in real time. The method specifically comprises the following steps: and an ink droplet quantity acquiring step of acquiring the quantity of the ink droplets discharged from the ink box in real time to acquire the volume of the ink discharged from the ink box. In other embodiments, a liquid level acquisition step may be used to acquire the height of the liquid level in the ink cartridge in real time, and the volume of ink discharged from the ink cartridge may also be calculated.
And S5, calculating the air pressure difference between the inside and the outside of the ink box according to the ink jet amount.
And S6, calculating the inflation quantity, namely calculating the required inflation quantity in the ink box according to the air pressure difference between the inside and the outside of the ink box so that the air pressure inside and outside the ink box is in a balanced state.
And S7, inflating, namely opening an electromagnetic valve in the inflating device, inflating the ink box according to the inflating quantity, and immediately closing the electromagnetic valve after the inflation is finished so that the air pressure inside and outside the ink box is in a balanced state.
The steps S3-S7 are recyclable, and have the advantages that in the whole ink-jet printing process, the air pressure inside and outside the ink box is always in a balanced state, so that the ink in the ink box is prevented from dripping, the nozzle can be prevented from being blocked by the ink, the service life of the nozzle is prolonged, the production efficiency is improved, and the production cost is reduced.
The method for ink-jet printing has the technical effects that after printing is finished, due to the fact that the electromagnetic valve is closed, air pressure inside and outside the ink box is still in a balanced state, at the moment, ink in the ink box can be prevented from dripping, and ink leakage can be avoided to corrode equipment. When the ink-jet printing system is in the ink-jet process, all data are in a real-time monitoring and collecting state, the ink box can be inflated in real time, the balance of the internal and external air pressure of the ink box is ensured, and the phenomena of ink leakage and the like are avoided.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An inkjet printing system, comprising:
the bottom of the ink box is provided with a nozzle;
one end of the inflating device is communicated with the ink box, and the other end of the inflating device is communicated with the outside atmosphere; the air charging device comprises an electromagnetic valve used for controlling the air charging speed and the air charging quantity; and
a data processing system connected to the solenoid valve; the ink box is used for calculating the air pressure difference inside and outside the ink box according to the ink jet amount and calculating the required inflation amount in the ink box according to the air pressure difference inside and outside the ink box;
the air pressure sensor is arranged in the ink box and is connected to the data processing system;
the liquid level sensor is arranged in the ink box and is connected to the data processing system; and/or the presence of a gas in the gas,
and the ink drop counter is arranged below the nozzle and is connected to the data processing system.
2. The inkjet printing system of claim 1,
each ink box is filled with ink;
the ink comprises any one of red ink, blue ink and green ink, and the ink colors in any two ink boxes are different.
3. The inkjet printing system of claim 1,
the volume of the ink box is 10 ml-50 ml.
4. The inkjet printing system of claim 1,
the nozzle is triangular, and an opening is formed in the bottom of the nozzle.
5. A method of inkjet printing comprising the steps of:
an ink box setting step, wherein ink is filled in an ink box, and a nozzle is arranged at the bottom of the ink box;
a data input step, in which the total volume of the ink box, the density of ink in the ink box and the volume of each ink drop are input;
an ink jet step of performing ink jet printing processing on the substrate;
an ink jet amount monitoring step of monitoring the ink jet amount in real time;
an air pressure difference calculating step of calculating an air pressure difference between the inside and the outside of the ink cartridge according to the ink jet amount;
an inflation quantity calculating step, namely calculating the required inflation quantity in the ink box according to the air pressure difference between the inside and the outside of the ink box; and
an inflation step, namely inflating the inside of the ink box to ensure that the air pressure inside and outside the ink box is in a balanced state;
wherein the ink ejection amount monitoring step includes:
an ink droplet number acquisition step of acquiring the number of ink droplets discharged from the ink cartridge in real time; and/or the presence of a gas in the gas,
and a liquid level acquisition step of acquiring the liquid level height of the ink box in real time.
6. The method of inkjet printing according to claim 5,
in the step of inflating the gas,
and when the ink in the ink box is reduced, opening an electromagnetic valve in an air charging device, charging air into the ink box, keeping the air pressure inside and outside the ink box in a balanced state, and then closing the electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273965.0A CN110001204B (en) | 2019-04-04 | 2019-04-04 | Ink jet printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273965.0A CN110001204B (en) | 2019-04-04 | 2019-04-04 | Ink jet printing system |
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| Publication Number | Publication Date |
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| CN110001204A CN110001204A (en) | 2019-07-12 |
| CN110001204B true CN110001204B (en) | 2020-09-01 |
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| CN201910273965.0A Active CN110001204B (en) | 2019-04-04 | 2019-04-04 | Ink jet printing system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1791513A (en) * | 2003-04-18 | 2006-06-21 | 莱克斯马克国际公司 | Method of estimating an amount of available ink contained in an ink reservoir |
| CN1876381A (en) * | 2005-06-09 | 2006-12-13 | 施乐公司 | Ink consumption determination |
| CN101081567A (en) * | 2006-05-31 | 2007-12-05 | 精工爱普生株式会社 | Liquid consumption apparatus and liquid consumption amount control method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151039A (en) * | 1997-06-04 | 2000-11-21 | Hewlett-Packard Company | Ink level estimation using drop count and ink level sense |
| FR2827682B1 (en) * | 2001-07-20 | 2004-04-02 | Gemplus Card Int | PRESSURE REGULATION BY TRANSFER OF A CALIBRATED GAS VOLUME |
| JP2016087923A (en) * | 2014-11-04 | 2016-05-23 | キヤノン株式会社 | Printing equipment and head protection method |
| WO2017074424A1 (en) * | 2015-10-30 | 2017-05-04 | Hewlett-Packard Development Company, L.P. | Printer and method for delivering ink in the printer |
| CN106827821B (en) * | 2017-03-30 | 2019-01-22 | 西安德高印染自动化工程有限公司 | A kind of totally-enclosed double negative-pressure cyclic ink feeding systems of Digital ink-jet printer |
| CN206983531U (en) * | 2017-07-18 | 2018-02-09 | 昆山海斯电子有限公司 | The miniature feeder that can be placed in ink-jet printer |
| CN207549747U (en) * | 2017-12-12 | 2018-06-29 | 镭德杰标识科技武汉有限公司 | A kind of unidirectional making-up air device of print cartridge |
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2019
- 2019-04-04 CN CN201910273965.0A patent/CN110001204B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791513A (en) * | 2003-04-18 | 2006-06-21 | 莱克斯马克国际公司 | Method of estimating an amount of available ink contained in an ink reservoir |
| CN1876381A (en) * | 2005-06-09 | 2006-12-13 | 施乐公司 | Ink consumption determination |
| CN101081567A (en) * | 2006-05-31 | 2007-12-05 | 精工爱普生株式会社 | Liquid consumption apparatus and liquid consumption amount control method |
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| CN110001204A (en) | 2019-07-12 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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