CN102501606A - Rigid printed circuit board spray printing negative-pressure ink supply pressure control system and method - Google Patents
Rigid printed circuit board spray printing negative-pressure ink supply pressure control system and method Download PDFInfo
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- CN102501606A CN102501606A CN2011103075237A CN201110307523A CN102501606A CN 102501606 A CN102501606 A CN 102501606A CN 2011103075237 A CN2011103075237 A CN 2011103075237A CN 201110307523 A CN201110307523 A CN 201110307523A CN 102501606 A CN102501606 A CN 102501606A
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- ink supply
- vavuum pump
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Abstract
The invention provides a negative-pressure ink supply pressure control system and method of rigid printed circuit board spray printing equipment. The system comprises a vacuum pump, a vacuum generator, a gas pressure transducer, a singlechip and a spray head device, wherein the vacuum pump is connected with the vacuum generator, the vacuum generator is connected with the spray head device, and the spray head device is simultaneously connected with the gas pressure transducer; and the gas pressure transducer is connected with the data input end of the singlechip, and the signal output end of the singlechip is connected with the vacuum pump. The method is used for monitoring the negative pressure condition in the spray head device through the gas pressure transducer and the singlechip in real time, the operating current of the vacuum pump is adjusted so as to realize automatically controlling the stable negative pressure of the spray head device. According to the technical scheme provided by the invention, automatic control on the stable negative pressure in a negative-pressure ink supply system is realized.
Description
Technical field
The present invention relates to the negative pressure ink supply control pressurer system and the method for rigid printed circuit boards spray printing equipment.
Background technology
Rigid printed circuit boards spray printing equipment belongs to a kind of ink-jet apparatus, and in ink-jet system, ink feeding system is a key technology, and the size of the negative pressure that it provides and stability will directly influence the quality of system's ink-jet.
Existing rigid printed circuit boards spray printing ink supply mode is a liquid level difference siphon ink supply mode, and the print cartridge height is lower than sprinkler height, utilizes the ink negative pressure hold mode at the liquid level difference formation shower nozzle place between shower nozzle and the print cartridge.Adjust the negative pressure value of ink feeding system through change liquid level difference between the two.
Present subject matter: 1. black road length causes China ink pipe internal resistance bigger, and ink feeding system China ink road pressure can't keep stablizing that 2. ink supply pressure can't be realized detecting and change according to pressure and to realize adjustment automatically.
Summary of the invention
The invention provides a kind of negative pressure ink supply control pressurer system and method, can realize vacuum in the automatic adjustment system, thereby guarantee the pressure stability on ink supply China ink road.
The present invention realizes through following technical scheme.
Negative pressure ink supply control pressurer system of the present invention comprises vavuum pump, vacuum generator, baroceptor, single-chip microcomputer and ejecting device;
Said ejecting device comprises blow vent, inkjet mouth, storage print cartridge and switch; Said blow vent links to each other with said storage print cartridge top; Said inkjet mouth links to each other with said storage print cartridge bottom and is positioned at the ejecting device bottom, and said switch is arranged in the said storage print cartridge;
The air entry of said vavuum pump and atmosphere; The exhaust outlet of said vavuum pump links to each other with the air supply opening of said vacuum generator; The vacuum port of said vacuum generator links to each other with the blow vent of said ejecting device; The blow vent of said ejecting device links to each other with said baroceptor one end simultaneously, and the said baroceptor other end links to each other with the data input pin of said single-chip microcomputer, and the signal output part of said single-chip microcomputer links to each other with said vavuum pump;
Said ejecting device seals.
Negative pressure ink supply compress control method of the present invention comprises debug phase and automatic control stage;
The said debug phase comprises sets ink level in the ejecting device, controls last liquid level 10～20mm below blow vent, 60～400mm more than inkjet mouth automatically by switch in the storage print cartridge in the ejecting device;
According to liquid level position on the ink, estimate the setting vacuum in the storage print cartridge;
Start vavuum pump, produce power gas, start vacuum generator, ejecting device produces vacuum, regulates the supply operating current of vavuum pump, makes to reach setting vacuum in the ejecting device;
The said automatic control stage comprises the startup single-chip microcomputer, and vacuum is set in input;
Baroceptor is gone into single-chip microcomputer with the real-time testing transfer of data, single-chip microcomputer output control signal;
Regulate the vavuum pump operating current, vacuum is replied and is set vacuum in the ejecting device;
The said liquid level preferred 200～300mm of distance more than inkjet mouth that goes up.
Negative pressure ink supply control pressurer system of the present invention can be through real-time detection ejecting device vacuum and feed back to air machinery, vacuum guarantees the negative regulation property of inkjet mouth in the ejecting device thereby realize regulating automatically, thereby has optimized last ink-jet effect.
Description of drawings
Fig. 1 is a negative pressure ink supply control pressurer system structural representation of the present invention.
The specific embodiment
Referring to Fig. 1, negative pressure ink supply control pressurer system of the present invention comprises vavuum pump 1, vacuum generator 2, baroceptor 3, single-chip microcomputer 4 and ejecting device 5;
Said ejecting device 5 comprises blow vent 51, inkjet mouth 52, storage print cartridge 53 and switch 54; Said blow vent 51 is arranged on said storage print cartridge 53 tops; Said inkjet mouth 52 is arranged on said storage print cartridge 53 bottoms, and said switch 54 is arranged in the said storage print cartridge 53;
The air entry of said vavuum pump 1 and atmosphere; The exhaust outlet of said vavuum pump 1 links to each other with the air supply opening of said vacuum generator 2; The vacuum port of said vacuum generator 2 links to each other with the blow vent of said ejecting device 51; Said blow vent 51 links to each other with said baroceptor 3 one ends simultaneously, and said baroceptor 3 other ends link to each other with the data input pin of said single-chip microcomputer 4, and the signal output part of said single-chip microcomputer 4 links to each other with said vavuum pump 1;
Said ejecting device 5 seals;
Be connected with accurate needle-valve 6 between said vavuum pump 1 and the said vacuum generator 2;
Further, the negative pressure ink supply pressure control device also comprises vacuum display 7, and said vacuum display 7 links to each other with said single-chip microcomputer 4 outputs.
According to the foregoing description, negative pressure ink supply compress control method of the present invention comprises debug phase and automatic control stage;
The said debug phase comprises sets ink level in the ejecting device, is controlled automatically by switch in the storage print cartridge in the ejecting device, and last liquid level is at the following 15mm of blow vent, at the above 200mm of inkjet mouth; According to liquid level position on the ink, the setting vacuum that estimates in the storage print cartridge is-2.5kPa; Start vavuum pump, produce power gas, start vacuum generator, regulate the vavuum pump operating current and make that vacuum reaches in the ejecting device-2.5kPa about; Regulate accurate needle-valve, the control compressed air require, it is smooth to make inkjet mouth go out China ink, and it is residual that injection rear nozzle mouth does not have obviously long-pending China ink;
The said automatic control stage comprises the startup single-chip microcomputer, and vacuum-2.5kPa is set in input; Gas pressure in the baroceptor real-time testing ejecting device; Be conveyed into single-chip computer control system; Calculate in real time in the print cartridge vacuum and with set vacuum relatively, if it is high or low to set vacuum, the output control signal reduces or improves the operating current of vavuum pump; The interior vacuum of ejecting device decreases or raises, and is returned to setting vacuum.
The above; Be merely the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (6)
1. a negative pressure ink supply control pressurer system is characterized in that comprising vavuum pump (1), vacuum generator (2), baroceptor (3), single-chip microcomputer (4) and ejecting device (5);
Said ejecting device (5) comprises blow vent (51), inkjet mouth (52), storage print cartridge (53) and switch (54); Said blow vent (51) is arranged on said storage print cartridge (53) top; Said inkjet mouth (52) is arranged on said storage print cartridge (53) bottom, and said switch (54) is arranged in the said storage print cartridge (53);
The air entry and the atmosphere of said vavuum pump (1); The exhaust outlet of said vavuum pump (1) links to each other with the air supply opening of said vacuum generator (2); The vacuum port of said vacuum generator (2) links to each other with the blow vent (51) of said ejecting device; Said blow vent (51) links to each other with said baroceptor (3) one ends simultaneously, and said baroceptor (3) other end links to each other with the data input pin of said single-chip microcomputer (4), and the signal output part of said single-chip microcomputer (4) links to each other with said vavuum pump (1);
Said ejecting device (5) seals.
2. a kind of negative pressure ink supply control pressurer system according to claim 1 is characterized in that being connected with accurate needle-valve (6) between said vavuum pump (1) and the said vacuum generator (2).
3. a kind of negative pressure ink supply control pressurer system according to claim 1 is characterized in that also comprising that the said vacuum display of vacuum display (7) (7) links to each other with said single-chip microcomputer (4) output.
4. a negative pressure ink supply control method is characterized in that comprising debug phase and automatic control stage; The said debug phase comprises sets ink level in the ejecting device, controls last liquid level 10～20mm below blow vent, 60～400mm more than inkjet mouth automatically by switch in the storage print cartridge in the ejecting device; According to liquid level position on the ink, estimate to draw the setting vacuum in the print cartridge;
Start vavuum pump, produce power gas, start vacuum generator, ejecting device produces vacuum, regulates the operating current of vavuum pump, makes to reach setting vacuum in the ejecting device;
The said automatic control stage comprises the startup single-chip microcomputer, and vacuum is set in input;
Baroceptor is gone into single-chip microcomputer with the real-time testing transfer of data, and single-chip microcomputer outputs a control signal to vavuum pump; Regulate the vavuum pump operating current according to control signal, vacuum is replied and is set vacuum in the ejecting device.
5. according to the said a kind of negative pressure ink supply compress control method of claim 4, it is characterized in that the said liquid level preferred 200～300mm of distance more than inkjet mouth that goes up.
6. according to the said a kind of negative pressure ink supply compress control method of claim 4, it is characterized in that the said debug phase also comprises the accurate noticeable degree compressed air require of adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103075237A CN102501606A (en) | 2011-10-11 | 2011-10-11 | Rigid printed circuit board spray printing negative-pressure ink supply pressure control system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103075237A CN102501606A (en) | 2011-10-11 | 2011-10-11 | Rigid printed circuit board spray printing negative-pressure ink supply pressure control system and method |
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| CN102501606A true CN102501606A (en) | 2012-06-20 |
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| CN2011103075237A Pending CN102501606A (en) | 2011-10-11 | 2011-10-11 | Rigid printed circuit board spray printing negative-pressure ink supply pressure control system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742528A (en) * | 2015-04-22 | 2015-07-01 | 京东方科技集团股份有限公司 | Printing equipment |
| CN110370809A (en) * | 2019-07-05 | 2019-10-25 | 深圳市华星光电技术有限公司 | Leakage-proof structure and inkjet printing leakage protective system |
| CN114654888A (en) * | 2022-03-22 | 2022-06-24 | 东莞市图创智能制造有限公司 | Liquid performance testing method, device and equipment |
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| US6302516B1 (en) * | 1997-01-14 | 2001-10-16 | Markem Corporation | Ink supply system for ink jet printhead |
| CN2528618Y (en) * | 2002-03-21 | 2003-01-01 | 深圳市润天智图像技术有限公司 | Ink way negative pressure system of ink-jet drawing machine |
| CN101642985A (en) * | 2009-09-07 | 2010-02-10 | 深圳市润天智图像技术有限公司 | Negative pressure ink supply device and protection method thereof |
| CN101693425A (en) * | 2009-10-16 | 2010-04-14 | 朱兆优 | Microcomputer liquid vacuum filling machine and control system |
| CN101774304A (en) * | 2010-02-28 | 2010-07-14 | 詹洪明 | Negative pressure generator special for ink supply system of inkjet printer |
| CN101954792A (en) * | 2010-08-27 | 2011-01-26 | 陈亿善 | Electromagnetic type negative-voltage stabilization controller for supplying ink for inkjet printer |
| CN202293672U (en) * | 2011-10-11 | 2012-07-04 | 江苏锐毕利实业有限公司 | Negative-pressure ink feeding pressure control system for rigid printed circuit board jet-printing equipment |
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2011
- 2011-10-11 CN CN2011103075237A patent/CN102501606A/en active Pending
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| US6302516B1 (en) * | 1997-01-14 | 2001-10-16 | Markem Corporation | Ink supply system for ink jet printhead |
| CN2528618Y (en) * | 2002-03-21 | 2003-01-01 | 深圳市润天智图像技术有限公司 | Ink way negative pressure system of ink-jet drawing machine |
| CN101642985A (en) * | 2009-09-07 | 2010-02-10 | 深圳市润天智图像技术有限公司 | Negative pressure ink supply device and protection method thereof |
| CN101693425A (en) * | 2009-10-16 | 2010-04-14 | 朱兆优 | Microcomputer liquid vacuum filling machine and control system |
| CN101774304A (en) * | 2010-02-28 | 2010-07-14 | 詹洪明 | Negative pressure generator special for ink supply system of inkjet printer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742528A (en) * | 2015-04-22 | 2015-07-01 | 京东方科技集团股份有限公司 | Printing equipment |
| WO2016169197A1 (en) * | 2015-04-22 | 2016-10-27 | 京东方科技集团股份有限公司 | Printing device |
| US9815292B2 (en) | 2015-04-22 | 2017-11-14 | Boe Technology Group Co., Ltd. | Printing apparatus |
| CN110370809A (en) * | 2019-07-05 | 2019-10-25 | 深圳市华星光电技术有限公司 | Leakage-proof structure and inkjet printing leakage protective system |
| CN114654888A (en) * | 2022-03-22 | 2022-06-24 | 东莞市图创智能制造有限公司 | Liquid performance testing method, device and equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU HI-PRINT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANGSU RUIBILI INDUSTRIAL CO., LTD. Effective date: 20121210 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121210 Address after: 224056 Yancheng City province high tech Industrial Zone, Phoenix South Road, No. 18, No. Applicant after: Jiangsu Hi-Print Technology Co., Ltd. Address before: 224056 Yancheng City province high tech Industrial Zone, Phoenix South Road, No. 18, No. Applicant before: Jiangsu Rabily Industry Co., Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |