CN105644150A - Ink jet device - Google Patents

Ink jet device Download PDF

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Publication number
CN105644150A
CN105644150A CN201511005410.6A CN201511005410A CN105644150A CN 105644150 A CN105644150 A CN 105644150A CN 201511005410 A CN201511005410 A CN 201511005410A CN 105644150 A CN105644150 A CN 105644150A
Authority
CN
China
Prior art keywords
chamber
ink
room
box
air pressure
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.)
Pending
Application number
CN201511005410.6A
Other languages
Chinese (zh)
Inventor
李力安
杨丽君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Hongrun Digital Printing Equipment Co Ltd
Original Assignee
Huizhou Hongrun Digital Printing Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huizhou Hongrun Digital Printing Equipment Co Ltd filed Critical Huizhou Hongrun Digital Printing Equipment Co Ltd
Priority to CN201511005410.6A priority Critical patent/CN105644150A/en
Publication of CN105644150A publication Critical patent/CN105644150A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/015Ink jet characterised by the jet generation process

Abstract

The invention relates to an ink jet device, which comprises a box body, an air pressure control assembly, an ink pumping assembly, an air pressure sensor and a liquid level sensor; the box body comprises a box wall and a partition plate; a closed interior of the box wall forms a cavity; the partition plate is connected with the inner side of the box wall, and the cavity is divided into a first chamber and a second chamber; a communicating opening is formed in a position, near the box wall, on the partition plate; the first chamber and the second chamber communicate through the communicating opening; the ink pumping assembly communicates with the first chamber; the air pressure control assembly communicates with the second chamber; the liquid level sensor is arranged in the first chamber; the air pressure sensor is arranged at a position, near the communicating opening, in the first chamber; and an ink outlet is formed in a position, far away from the communicating opening, on the box wall of the first chamber. As the air pressure sensor is arranged in the ink chamber, an air pressure value measured by the air pressure sensor is more accurate, so that ink jet amount is more accurate; moreover, as communicating distance between the ink chamber and the air chamber is very short, air pressure difference between the ink chamber and the air chamber is very small, therefore delay of closed-loop control is shortened.

Description

Ink discharge device
Technical field
The present invention relates to printing equipment, particularly relate to ink discharge device.
Background technology
Print cartridge is used for as printer ink-providing, its principle makes the ejection of the ink in print cartridge by the air pressure in control print cartridge or stops ejection, specifically, when needs ink-jet, increase the air pressure in print cartridge, make to produce in print cartridge malleation, make ink by exporting extrusion, when stopping ink-jet, reduce the air pressure in print cartridge, make to produce in print cartridge negative pressure, avoid ink by exporting outflow.
In order to precisely control the ejection of ink, baroceptor and liquid level sensor also it is provided with in print cartridge, existing print cartridge comprises air chamber and ink room, and an air chamber is connected with multiple ink room, baroceptor is arranged in air chamber, it is indoor that liquid level sensor is arranged on ink, the air pressure of air chamber measured by baroceptor, and the air pressure of air pump control air chamber and ink indoor is fed back to this, so that the ink of ink indoor is forced out or is held, liquid level sensor is by measuring the liquid level of the indoor ink of ink, control pump is ink room ink supply, the ink making ink indoor remains suitable position, and the liquid level change of ink room also causes air pressure to change, make air pump adjustable pressure again, the Liquid level of the ink of the air pressure control sum of air chamber is realized by above-mentioned closed loop procedure. owing to an air chamber is connected with multiple ink room, air pressure between air chamber and ink room is unbalanced, and multiple ink room between air pressure also unbalanced, cause multiple ink rooms ink ejection amount uneven, on the other hand, due to distant between air chamber and ink room, there is deviation in pressure variation and the pressure variation of ink indoor in air chamber, therefore the air pressure that the atmospheric pressure value obtained can not accurately reflect ink indoor measured by baroceptor, cause ink ejection amount inaccurate, and be there is bigger delay in the process causing closed-loop control, cause ink-jet poor effect.
Summary of the invention
Based on this, being necessary between the air chamber for existing print cartridge and ink room, air pressure is unbalanced, cause ink ejection amount inaccurate, the problem that closed-loop control postpones, there is provided a kind of ink discharge device so that the air pressure between air chamber with ink room is more balanced, and the air pressure measured is more accurate, so that ink ejection amount is more accurate, reduce the delay of closed-loop control.
A kind of ink discharge device, comprising:
Box body, air pressure control unit, pump ink assembly, baroceptor and liquid level sensor, described box body comprises box wall and dividing plate, described box wall closed interior forms a cavity, described dividing plate is connected to and becomes the first room, chamber and the 2nd room, chamber inside described box wall and by described cavity isolation, described dividing plate offers a connected entrance near the position of described box wall, described first room, chamber is connected by described connected entrance with described 2nd room, chamber, described pump ink assembly and described first chamber, described air pressure control unit and described 2nd chamber, it is indoor that described liquid level sensor is arranged at described first chamber, described liquid level sensor is connected with described pump ink assembly, described baroceptor is arranged at described first room, chamber near the position of described connected entrance, described baroceptor is connected with described air pressure control unit, on the described box wall of described first room, chamber, ink outlet port has been offered in position away from described connected entrance.
In an embodiment, on the described box wall of described first room, chamber, ink feed mouth has also been offered in position away from described connected entrance, and described pump ink assembly is by described ink feed mouth and described first chamber.
In an embodiment, described liquid level sensor is arranged at the position away from described connected entrance of described first indoor, chamber,
In an embodiment, on the described box wall of described 2nd room, chamber, a gas port is offered in the position of close described connected entrance, and described air pressure control unit is by described gas port and described 2nd chamber.
In an embodiment, the position that described gas port is arranged on the described box wall of described 2nd room, chamber away from described dividing plate.
In an embodiment, overflowing mouth offered by the described box wall of described 2nd room, chamber.
In an embodiment, the position that described overflowing mouth is opened on the described box wall of described 2nd room, chamber away from described connected entrance.
In an embodiment, described box body is cube.
In an embodiment, described box body comprises box top, sidewall, at the bottom of box and dividing plate, described box top, be tightly connected at the bottom of described sidewall and described box formation cavity, described dividing plate is fixedly connected with at the bottom of described box, described cavity isolation is become the first room, chamber and the 2nd room, chamber, described connected entrance is opened in described dividing plate one end near described box top, it is indoor near the position at the bottom of described box that described liquid level sensor is arranged at described first chamber, described baroceptor is arranged at the position on the close described box top of described first indoor, chamber, described ink outlet port is opened on the described sidewall of described first room, chamber near the position at the bottom of described box.
In an embodiment, described ink feed mouth is opened at the bottom of the described box of described first room, chamber, and described pump ink assembly is by described ink feed mouth and described first chamber.
Above-mentioned ink discharge device, the atmospheric pressure value obtaining the first room, chamber is directly measured by the baroceptor being arranged on the first indoor, chamber, make the atmospheric pressure value measured more accurate, the air pressure that air pressure control unit controls the first room, chamber and the 2nd indoor, chamber according to atmospheric pressure value makes ink outlet port carry out ink-jet, make ink ejection amount more accurate, and due to the first room, chamber and the 2nd room, chamber to be connected distance very short, make the air pressure difference between the first room, chamber and the 2nd room, chamber minimum, thus reduce the delay of closed-loop control, make ink ejection amount more accurate further.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention ink discharge device.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully. Accompanying drawing gives the better embodiment of the present invention. But, the present invention can realize in many different forms, is not limited to enforcement mode described herein. On the contrary, it is provided that these implement the object of modes is make that the disclosure to the present invention understands more thorough comprehensive.
Unless otherwise defined, all technology used herein are identical with the implication that the those skilled in the art belonging to the present invention understand usually with scientific terminology. The term used in the description of the invention herein is the object in order to describe concrete enforcement mode, is not intended to be restriction the present invention. Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, one embodiment of the present of invention, ink discharge device 10 comprises:
Box body 100, air pressure control unit 200, pump ink assembly 300, baroceptor 400 and liquid level sensor 500, described box body 100 comprises box wall 110 and dividing plate 120, described box wall 110 closed interior forms a cavity, described dividing plate 120 is connected to and becomes the first room, chamber and the 2nd room, chamber inside described box wall 110 and by described cavity isolation, such as, described first Shi Weimo room, chamber 101, 2nd room, chamber is air chamber 102, described dividing plate 120 offers a connected entrance 103 near the position of described box wall 110, described ink room 101 is connected by described connected entrance 103 with described air chamber 102, described pump ink assembly 300 is connected with described ink room 101, described air pressure control unit 200 is connected with described air chamber 102, described liquid level sensor 500 is arranged in described ink room 101, described liquid level sensor 500 is connected with described pump ink assembly 300, described baroceptor 400 is arranged at described ink room 101 near the position of described connected entrance 103, described baroceptor 400 is connected with described air pressure control unit 200, the described box wall 110 of described ink room 101 has offered ink outlet port 130 away from the position of described connected entrance 103.
In an embodiment, air pressure control unit 200 comprises the gentle pump controller of air pump, described air pump controller is for controlling the work of described air pump, described air pump controller is electrically connected with described baroceptor 400, described air pump is connected with described air chamber 102, and described pump ink assembly 300 comprises pump and pump controller, and described pump controller is for controlling the work of described pump, described pump controller is electrically connected with described liquid level sensor 500, and described pump is connected with described ink room 101.
When carrying out ink-jet, described air pump controller controls described air pump to described air chamber 102 pump gas, air pressure in described ink room 101 and described air chamber 102 is increased, now, the air pressure in described ink room 101 is malleation, and described ink outlet port 130 carries out ink-jet, when stopping ink-jet, described air pump controller controls described air pump and bleeds so that the air pressure in described ink room 101 is negative pressure, makes described ink outlet port 130 stop ink-jet; When liquid level decline or the rising of the ink in ink room 101, the pressure variation in ink room 101 will be caused, the change of atmospheric pressure value in ink room 101 is obtained in real time by described baroceptor 400, and control described air pump controller according to atmospheric pressure value, described air pump controller adjusts the working order of air pump in real time, so that described ink outlet port 130 evenly ink-jet; When the liquid level change of the ink in ink room 101, described liquid level sensor 500 obtains the liquid level of ink in ink room 101 in real time, and control described pump controller by level value, such as, when the liquid level of the ink in described ink room 101 declines, described pump controller controls described pump to described ink room 101 pump ink, arranges position when the liquid level of ink returns to, and described pump controller controls described pump and stops pump ink.
Owing to baroceptor 400 is arranged in ink room 101, the atmospheric pressure value that described like this baroceptor 400 is measured is more accurate, so that ink ejection amount is more accurate, and due to ink room 101 and air chamber 102 to be connected distance very short, make the air pressure difference between ink room 101 and air chamber 102 minimum, thus reduce the delay of closed-loop control, make ink ejection amount more accurate further.
When the ink in described ink room 101 deposits for a long time, the ink concentration of bottom may be caused higher, and the ink concentration of high level is lower, the easy like this ink-jet uneven concentration making ink outlet port 130, cause ink-jet poor effect, in order to make ink-jet even concentration, as shown in Figure 1, the described box wall 110 of described ink room 101 has also offered ink feed mouth 140 away from the position of described connected entrance 103, described pump ink assembly 300 is connected with described ink room 101 by described ink feed mouth 140, such as, described pump is connected with described ink room 101 by described ink feed mouth 140, like this, when described pump is to described ink room 101 pump ink, the ink making bottom is moved by the surging force of pump ink to high level, so that the ink in described ink room 101 is rushed even, so that ink concentration is more even, also make the ink-jet effect of ink outlet port 130 better.
Due to change of being everlasting when the liquid level of ink is, if and liquid level sensor 500 leaks on liquid level, detection liquid level result then may be caused inaccurate, in order to make the detected result of described liquid level sensor 500 more accurate, in an embodiment, as shown in Figure 1, the position that described liquid level sensor 500 is arranged in described ink room 101 away from described connected entrance 103, like this, described liquid level sensor 500 can more close to the bottom of ink, make detected result more accurate, and substantially not by the impact of level change.
In order to make described air pressure control unit 200 can control the air pressure of described ink room 101 more directly, referring again to Fig. 1, on the described box wall 110 of described air chamber 102, a gas port 150 is offered in the position of close described connected entrance 103, and the position that described gas port 150 is arranged on the described box wall 110 of described air chamber 102 away from described dividing plate 120, described air pressure control unit 200 is connected with described air chamber 102 by described gas port 150, such as, described air pump is connected with described air chamber 102 by described gas port 150, like this, when the air pump of described air pressure control unit 200 is to described air chamber 102 pump gas or when bleeding, air pressure in described ink room 101 will change fast thereupon, thus further reduce the pressure variation time delay between ink room 101 and air chamber 102, make described air pressure control unit 200 can control the air pressure of described ink room 101 more directly, make ink ejection amount more accurate.
When the liquid level of the ink in described ink room 101 is too high, or described box body 100 tilts to cause the ink of described ink room 101 to be flowed in described air chamber 102, in order in time these inks be discharged, overflowing mouth 160 offered by the described box wall 110 of described air chamber 102, the position that described overflowing mouth 160 is opened on the described box wall 110 of described air chamber 102 away from described connected entrance 103, when the ink flow of described ink room 101 is to described air chamber 102, ink can be discharged by overflowing mouth 160 in described air chamber 102 in time, such as, also comprise overflowing valve 170, described overflowing valve 170 is arranged at the outside of described box body 100, and described overflowing valve 170 is connected with described overflowing mouth 160, ink in described air chamber 102 can be discharged in time by user by overflowing valve 170 described in switch.
The box body 100 of the present invention can be the container of the shape of any closed structure, such as, described box body 100 is the inner spheroid with cavity, in another embodiment of the present invention, as shown in Figure 1, described box body 100 is cube, such as, described box wall 110 comprises box top 111, at the bottom of sidewall 112 and box 113, such as, described box body 100 comprises box top 111, sidewall 112, at the bottom of box 113 and dividing plate 120, described box top 111, at the bottom of described sidewall 112 and described box, 113 are tightly connected formation cavity, described dividing plate 120 is fixedly connected with at the bottom of described box 113, described cavity isolation is become ink room 101 and air chamber 102, described connected entrance 103 is opened in described dividing plate 120 one end near described box top 111, described liquid level sensor 500 is arranged at the position of at the bottom of the interior close described box in described ink room 101 113, the position on the close described box top 111 that described baroceptor 400 is arranged in described ink room 101, described ink outlet port 130 be opened on the described sidewall 112 of described ink room 101 at the bottom of the described box 113 position.
In order to make the ink concentration in described ink room 101 more even, described ink feed mouth 140 is opened at the bottom of the described box of described ink room 101 on 113, described pump is connected with described ink room 101 by described ink feed mouth 140, like this, described pump is when pump ink, the ink of bottom can be rushed to upper strata, so that the ink in described ink room 101 is rushed even so that the ink-jet effect of ink outlet port 130 is better.
Described liquid level sensor 500 is arranged at the position of at the bottom of the interior close described box in described ink room 101 113, is conducive to described liquid level sensor 500 to detect the liquid level in described ink room 101 better.
Described gas port 150 is opened on the sidewall 112 of described air chamber 102 near the position on described box top 111, and like this, the air pressure that described air pressure control unit 200 can control described ink room 101 more directly makes ink ejection amount more accurate.
Described overflowing mouth 160 be opened in institute's sidewall 112 at the bottom of described box 113 position, be conducive to the ink in air chamber 102 to discharge.
Each technology feature of the above embodiment can combine arbitrarily, for making description succinct, each all possible combination of technology feature in above-described embodiment is not all described, but, as long as the combination of these technology features does not exist contradiction, all it is considered to be the scope that this specification sheets is recorded.
The above embodiment only have expressed several enforcement modes of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent. , it is also possible to make some distortion and improvement, it should be appreciated that for the person of ordinary skill of the art, without departing from the inventive concept of the premise these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. an ink discharge device, it is characterized in that, comprise: box body, air pressure control unit, pump ink assembly, baroceptor and liquid level sensor, described box body comprises box wall and dividing plate, described box wall closed interior forms a cavity, described dividing plate is connected to and becomes the first room, chamber and the 2nd room, chamber inside described box wall and by described cavity isolation, described dividing plate offers a connected entrance near the position of described box wall, described first room, chamber is connected by described connected entrance with described 2nd room, chamber, described pump ink assembly and described first chamber, described air pressure control unit and described 2nd chamber, it is indoor that described liquid level sensor is arranged at described first chamber, described liquid level sensor is connected with described pump ink assembly, described baroceptor is arranged at described first room, chamber near the position of described connected entrance, described baroceptor is connected with described air pressure control unit, on the described box wall of described first room, chamber, ink outlet port has been offered in position away from described connected entrance.
2. ink discharge device according to claim 1, it is characterised in that, on the described box wall of described first room, chamber, ink feed mouth has also been offered in position away from described connected entrance, and described pump ink assembly is by described ink feed mouth and described first chamber.
3. ink discharge device according to claim 1, it is characterised in that, described liquid level sensor is arranged at the position away from described connected entrance of described first indoor, chamber.
4. ink discharge device according to claim 1, it is characterised in that, on the described box wall of described 2nd room, chamber, a gas port is offered in the position of close described connected entrance, and described air pressure control unit is by described gas port and described 2nd chamber.
5. ink discharge device according to claim 4, it is characterised in that, the position that described gas port is arranged on the described box wall of described 2nd room, chamber away from described dividing plate.
6. ink discharge device according to claim 1, it is characterised in that, overflowing mouth offered by the described box wall of described 2nd room, chamber.
7. ink discharge device according to claim 6, it is characterised in that, the position that described overflowing mouth is opened on the described box wall of described 2nd room, chamber away from described connected entrance.
8. ink discharge device according to the arbitrary item of claim 1-7, it is characterised in that, described box body is cube.
9. ink discharge device according to claim 8, it is characterized in that, described box body comprises box top, sidewall, at the bottom of box and dividing plate, described box top, be tightly connected at the bottom of described sidewall and described box formation cavity, described dividing plate is fixedly connected with at the bottom of described box, described cavity isolation is become the first room, chamber and the 2nd room, chamber, described connected entrance is opened in described dividing plate one end near described box top, it is indoor near the position at the bottom of described box that described liquid level sensor is arranged at described first chamber, described baroceptor is arranged at the position on the close described box top of described first indoor, chamber, described ink outlet port is opened on the described sidewall of described first room, chamber near the position at the bottom of described box.
10. ink discharge device according to claim 9, it is characterised in that, described ink feed mouth is opened at the bottom of the described box of described first room, chamber, and described pump ink assembly is by described ink feed mouth and described first chamber.
CN201511005410.6A 2015-12-25 2015-12-25 Ink jet device Pending CN105644150A (en)

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CN201511005410.6A CN105644150A (en) 2015-12-25 2015-12-25 Ink jet device

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CN201511005410.6A CN105644150A (en) 2015-12-25 2015-12-25 Ink jet device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106944998A (en) * 2017-04-19 2017-07-14 江苏科技大学 A kind of tuning for Controllable Pitch Propeller blade center of gravity automatic marking device and its labeling method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1116992A (en) * 1994-05-25 1996-02-21 佳能株式会社 An ink container
CN2368699Y (en) * 1999-05-11 2000-03-15 洛阳石化聚丙烯有限责任公司 Ink container of ink jet printer
JP2000318180A (en) * 1999-05-07 2000-11-21 Hitachi Koki Co Ltd Solid ink jet printer
CN2885583Y (en) * 2006-03-23 2007-04-04 珠海天威技术开发有限公司 Ink cartridge device
US20090322831A1 (en) * 2006-09-22 2009-12-31 Tonejet Limited Ink supply system
CN102658726A (en) * 2012-05-29 2012-09-12 潍坊东航印刷科技股份有限公司 Ink storage device for ink-jet printer
CN204020244U (en) * 2014-07-23 2014-12-17 中山市领达电子有限公司 For the solution box of jet printer
CN205255761U (en) * 2015-12-25 2016-05-25 惠州市泓润数码喷印设备有限公司 Ink jet device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1116992A (en) * 1994-05-25 1996-02-21 佳能株式会社 An ink container
JP2000318180A (en) * 1999-05-07 2000-11-21 Hitachi Koki Co Ltd Solid ink jet printer
CN2368699Y (en) * 1999-05-11 2000-03-15 洛阳石化聚丙烯有限责任公司 Ink container of ink jet printer
CN2885583Y (en) * 2006-03-23 2007-04-04 珠海天威技术开发有限公司 Ink cartridge device
US20090322831A1 (en) * 2006-09-22 2009-12-31 Tonejet Limited Ink supply system
CN102658726A (en) * 2012-05-29 2012-09-12 潍坊东航印刷科技股份有限公司 Ink storage device for ink-jet printer
CN204020244U (en) * 2014-07-23 2014-12-17 中山市领达电子有限公司 For the solution box of jet printer
CN205255761U (en) * 2015-12-25 2016-05-25 惠州市泓润数码喷印设备有限公司 Ink jet device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106944998A (en) * 2017-04-19 2017-07-14 江苏科技大学 A kind of tuning for Controllable Pitch Propeller blade center of gravity automatic marking device and its labeling method

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Application publication date: 20160608