KR20010085002A - Ink Temperature Control System of the Industrial Ink Jet Printer - Google Patents

Ink Temperature Control System of the Industrial Ink Jet Printer Download PDF

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Publication number
KR20010085002A
KR20010085002A KR1020010041753A KR20010041753A KR20010085002A KR 20010085002 A KR20010085002 A KR 20010085002A KR 1020010041753 A KR1020010041753 A KR 1020010041753A KR 20010041753 A KR20010041753 A KR 20010041753A KR 20010085002 A KR20010085002 A KR 20010085002A
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South Korea
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temperature
ink
ink temperature
control system
unit
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KR1020010041753A
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Korean (ko)
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홍성용
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(주)캔두
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04563—Control methods or devices therefor, e.g. driver circuits, control circuits detecting head temperature; Ink temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/0454—Control methods or devices therefor, e.g. driver circuits, control circuits involving calculation of temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/1408—Structure dealing with thermal variations, e.g. cooling device, thermal coefficients of materials
    • 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
    • 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
    • B41J2/18—Ink recirculation systems

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Ink Jet (AREA)

Abstract

PURPOSE: An ink temperature control system of an industrial inkjet printer is provided to prevent the trouble of the industrial inkjet printer caused by the change of ink temperature, to reduce a maintenance cost by suppressing the excessive use of a diluted solution, and to reduce the loss of ink caused by an oversupplied diluted solution. CONSTITUTION: An ink temperature control system for an industrial inkjet printer comprises; a control unit controlling each unit by comparing an ink temperature sensed by the thermistor of a reservoir with a limit temperature and a reference ink temperature after converting the ink temperature to a voltage element; a heating and cooling unit increasing or decreasing ink temperature when the temperature is lower than or higher than the reference ink temperature; a circulating unit circulating coolants with a water pump to properly keep the ink temperature in the reservoir; and an indicating unit indicating the trouble of the industrial inkjet printer. First, the ink temperature sensed by the thermistor is inputted into a microcomputer. When the sensed ink temperature is higher than the limit and the reference temperature, a cooling fan is operated. When the ink temperature is the same as the limit and the reference temperature, the control system stops temporarily. When the ink temperature is lower than the limit and the reference temperature, the water pump is driven and the heater of the heating and cooling unit receives voltage to increase the ink temperature. The control system indicates the trouble of the inkjet printer with a signal from an overheating and overcooling sensor.

Description

산업용 잉크젯트 프린터의 잉크 온도 제어 시스템{Ink Temperature Control System of the Industrial Ink Jet Printer}Ink Temperature Control System of the Industrial Ink Jet Printer

산업용 잉크제트 프린터의 작동에 필요한 가장 최적 가동 온도는 0∼45 ℃ 정도이다. 그러나 계절의 변화와 외부의 온도가 변함에 따라 잉크젯트 내부의 온도는 외부온도가 변화하거나 또는 잉크 공급 모터의 회전 열에 의하여 변화되어지고, 이에 잉크의 팽창 계수가 발생되어 부하의 압력이 변화되어 지므로 많은 잉크 시스템 내의 문제가 발생하였다. 이러한 문제는 생산성 저하를 가져오고, 또 잉크의 팽창 계수를 맞추기 위한 희석제가 과다 소모되게 되어 과도한 유지비가 발생되었다.The optimum operating temperature required for the operation of industrial ink jet printers is between 0 and 45 ° C. However, as the seasonal change and the outside temperature change, the inside temperature of the inkjet is changed by the change of the outside temperature or the rotational heat of the ink supply motor, and the expansion coefficient of the ink is generated so that the pressure of the load is changed. Problems have arisen in many ink systems. This problem leads to a decrease in productivity and excessive consumption of the diluent for adjusting the expansion coefficient of the ink has caused excessive maintenance costs.

그러므로 본 발명은 잉크 젯트 프린터의 사용에 큰 문제가 되고있는 팽창압력에 따른 기계의 트러블을 방지하여 생산성을 높이고 과도한 소모품 소비를 줄이면서유지비를 저렴하게 하는데 본 발명의 목적이 있다.Therefore, it is an object of the present invention to reduce the maintenance cost while increasing productivity and reducing excessive consumption of consumables by preventing the trouble of the machine due to the expansion pressure which is a big problem in the use of the ink jet printer.

산업용 잉크젯트 프린터는 일반 사무용 프린터와는 달리 주 잉크통인 리저버와 잉크를 보충하기 위한 잉크 카트리지 내의 잉크 그리고 주잉크통의 잉크의 점도를 측정하여 잉크의 점도를 희석 시켜 주는 희석제인 메이크업 카트리지 내의 메이크업 액이 있으며, 통상 리저버 속에는 마킹을 위하여 잉크 공급 펌프를 통해 프린터의 헤드에 공급 할 수 있도록 1.8 L 정도의 충분한 양의 잉크를 가지고 있다.Unlike general office printers, industrial inkjet printers use a makeup liquid in a makeup cartridge, which is a diluent that dilutes the viscosity by measuring the viscosity of the reservoir, the main ink container, the ink in the ink cartridge to replenish the ink, and the ink in the main ink container. In general, the reservoir has a sufficient amount of ink of about 1.8 L so as to be supplied to the head of the printer through the ink supply pump for marking.

이 잉크가 흐르는 과정에서 잉크는 잉크를 운반, 전달하는 관을 통하여 외부의 열를 흡수 또는 방열하고 더욱이 잉크 공급펌프의 회전열에 의하여 온도는 더욱 상승하게 되어 상당히 고온인 60 ∼ 70℃까지 은도 상승이 되어 지는 단점이 있다.In the ink flow process, the ink absorbs or dissipates heat from the outside through a pipe that carries and transfers the ink, and furthermore, the temperature is further increased by the rotational heat of the ink supply pump, and the silver is raised to a considerably high temperature of 60 to 70 ° C There are disadvantages to losing.

산업용 잉크젯트 프린터의 잉크의 온도는 0 ∼ 45 ℃의 적정수준으로 유지되어야만 한다. 이 범위 온도에서는 잉크 모니터 PCB의 제어 세팅 값이 유효하지만 이 온도를 벗어나게 되면 이 세팅 값이 무의미하게되어 프린터 제어가 문제가 되어 잦은 고장의 원인이 되었다. 본 발명에서는 적정 가동 온도를 유지하기 위한 잉크 온도의 온도를 제어하는 시스템을 제공하는데 있다.The temperature of the ink of the industrial inkjet printer must be maintained at an appropriate level of 0 to 45 ℃. At this temperature range, the control settings of the ink monitor PCB are valid, but beyond this temperature, these settings become meaningless, causing printer control problems and causing frequent failures. The present invention is to provide a system for controlling the temperature of the ink temperature for maintaining an appropriate operating temperature.

제1도는 온도 제어 시스템 구성도1 is a schematic diagram of a temperature control system

제2도는 히터를 이용한 발열 및 냉각 부2 is a heat generation and cooling unit using a heater

제3도는 냉각 매체로 냉각수를 이용한 리저버부3 is a reservoir part using cooling water as a cooling medium.

도면 주요 부분에 대한 부호의 설명Explanation of symbols for the main parts of the drawings

1. 리저버 2. 히터 3. 온도센서1. Reservoir 2. Heater 3. Temperature Sensor

4. 냉각팬 5. 열교환기 6. 고정나사4. Cooling fan 5. Heat exchanger 6. Fixing screw

7. 잉크 레벨 센서 8. 입력포트 9. 출력포트7. Ink level sensor 8. Input port 9. Output port

10. 온도 센서10. Temperature sensor

잉크의 온도를 제어하기 위한 장치로서 제1도와 같은 온도 제어 시스템을 구성하였다. 이 시스템은 잉크의 온도를 감지하기 위하여 리저버(1)에 설치한 온도 센서를 이용하여 측정한 잉크 온도 값을 전압성분으로 변화 시켜 설정된 기준 잉크 온도 및 위험온도와 비교하여 각 부를 제어하는 제어부와 잉크의 온도가 설정된 온도보다 높거나 낮을 경우 잉크의 온도를 상승 또는 하강시키는 발열 및 냉각부, 워터 펌프를 작동시켜 냉각수를 순환하여 리저버(1)내의 잉크 온도를 적정 작동 온도로 유지하는 순환부 그리고 장치의 이상 유무를 표시하는 표시부로 구성된다. 각각의 구성품들 사이의 작용은 다음과 같다. 먼저 리저버(1)내의 온도 센서(10)을 이용하여 잉크 온도를 측정하여 이 값이 마이컴에 입력되어 지고, 입력 된 온도 값이 제어부에 설정된 기준 잉크 온도 값및 위험 온도값(45℃ 정도)과 비교하여 잉크 온도가 높을 경우 제어 부는 발열 및 냉각부 히터(2)에 전압을 인가하지 않고 동시에 워터 펌프 및 냉각팬(4)을 기동하여 리저버의 잉크에서 발생된열을 방 출하여 냉각 효율을 극대화시킨다. 잉크 온도가 세팅된 값과 같다면 본 시스템은 일시정지 하게 된다. 만일 잉크 온도가 세팅된 온도보다 낮을 경우 워터 펌프를 구동하고 발열 및 냉각부의 히터(2)에 전압을 인가하여 잉크의 온도를 세팅 된 값으로 항상 일정하게 유지 할 수 있다. 이때 발열 및 냉각부의 오버 히팅 및 오버 냉각 감지용 센서(3)의 감지 신호를 받았을 때 시스템 정지및 시스템의 이상 유무를 표시부로 표시하게 된다. 냉각수는 통상 공업용수 나 지하수 또는 부동액을 사용한다.As a device for controlling the temperature of the ink, a temperature control system as shown in FIG. In order to detect the ink temperature, this system uses the temperature sensor installed in the reservoir 1 to change the ink temperature value into a voltage component, and the control unit and ink to control each part in comparison with the set reference ink temperature and dangerous temperature. Heating and cooling unit for raising or lowering the temperature of ink when the temperature of the temperature is higher or lower than the set temperature, the circulation unit for maintaining the ink temperature in the reservoir (1) at the proper operating temperature by circulating the cooling water by operating the water pump It is composed of a display unit for displaying the presence of abnormality. The action between each component is as follows. First, the ink temperature is measured by using the temperature sensor 10 in the reservoir 1, and this value is inputted to the microcomputer, and the input temperature value is set to the reference ink temperature and the dangerous temperature value (about 45 ° C) set in the control unit. In comparison, when the ink temperature is high, the control unit does not apply voltage to the heating and cooling unit heaters 2 and simultaneously starts the water pump and the cooling fan 4 to release heat generated from the ink of the reservoir to maximize the cooling efficiency. Let's do it. If the ink temperature is the same as the set value, the system will pause. If the ink temperature is lower than the set temperature, the water pump may be driven and a voltage may be applied to the heater 2 of the heating and cooling unit to keep the ink temperature constant at the set value. At this time, when the overheating and the overheating of the cooling unit and the detection signal of the overcooling detection sensor 3 is received, the display unit displays whether the system is stopped or abnormal. Cooling water is usually used for industrial or ground water or antifreeze.

본 시스템을 적용시킬 경우 하절기나 동절기에 공장내부의 온도가 높아 지고낮아짐에 따라 잉크제트 프린터의 온도 변화로 인하여 기계의 트러블을 방지 함으로서 일반 생산 공장에서 잉크 제트 프린터의 고장으로 인한 생산중단 손실을 방지 할 수 있고, 잉크의 점도를 맞추기 위한 희석제의 과다 사용을 억제 할 수 있어 사용자 입장에서 유지비를 절감시킬 수 있으며, 과다 공급된 희석제로 인하여 정상적인 잉크를 교체함으로서 발생하는 잉크 손실을 절감 할 수 있는 효과가 있다.When this system is applied, the temperature inside the factory increases and decreases during the summer or winter, preventing the trouble of the machine due to the temperature change of the ink jet printer, thereby preventing the loss of production due to the failure of the ink jet printer in the general production plant. It can reduce overuse of diluent to adjust the viscosity of ink and reduce maintenance cost from the user's point of view, and reduce the ink loss caused by replacing normal ink due to over-supplied diluent. There is.

Claims (2)

희석제인 메이크업을 보충 할 수 있는 산업용 잉크제트 프린터에 있어서, 잉크의 온도 감지를 위하여 리저버에 설치한 온도 센서를 이용하여 측정한 잉크 온도 값을 전압성분으로 변화시켜 설정된 기준 잉크 온도 및 위험온도와 비교하여 각 부를 제어하는 제어 부와 잉크의 온도가 설정된 온도보다 높거나 낮을 경우 잉크의 온도를 상승 또는 하강시키는 발열및 냉각부의 히터(2)와 열교환기(5), 워터펌프를 작동시켜 냉각수를 순환하여 리저버(1)내의 잉크 온도를 적정 작동온도로 유지하는 순환부 그리고 장치의 이상유무를 표시하는 표시 부로 구성되어지는 잉크 온도제어 시스템을 구비함을 특징으로 하는 산업용 잉크제트 프린터In industrial ink jet printer that can supplement makeup, which is a thinner, it is compared with reference ink temperature and dangerous temperature which is set by changing the ink temperature value measured by temperature sensor installed in reservoir to detect the temperature of ink as voltage component. Control unit to control each unit and when the temperature of the ink is higher or lower than the set temperature, the heater (2), the heat exchanger (5) and the water pump to heat up or lower the temperature of the ink to increase or decrease the ink temperature to circulate the coolant And an ink temperature control system comprising a circulation unit for maintaining the ink temperature in the reservoir 1 at an appropriate operating temperature and a display unit for displaying an abnormality of the device. 제1항에 있어서 도2를 특징으로 하는 산업용 잉크제트 프린터The industrial ink jet printer according to claim 1, characterized in that
KR1020010041753A 2001-07-11 2001-07-11 Ink Temperature Control System of the Industrial Ink Jet Printer KR20010085002A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839435A (en) * 2018-08-03 2018-11-20 江苏海惠沃特包装有限公司 A kind of printing machine oil of high quality ink supply device and its working method
CN110450522A (en) * 2019-08-13 2019-11-15 贵州永吉印务股份有限公司 A kind of line gravure printing machine ink temperature control system

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JPH03104655A (en) * 1989-09-19 1991-05-01 Canon Inc Ink jet recorder and temperature controller used therefor
US5623292A (en) * 1993-12-17 1997-04-22 Videojet Systems International, Inc. Temperature controller for ink jet printing
JP2001026125A (en) * 1999-06-30 2001-01-30 Xerox Corp Ink supplying system

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Publication number Priority date Publication date Assignee Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839435A (en) * 2018-08-03 2018-11-20 江苏海惠沃特包装有限公司 A kind of printing machine oil of high quality ink supply device and its working method
CN110450522A (en) * 2019-08-13 2019-11-15 贵州永吉印务股份有限公司 A kind of line gravure printing machine ink temperature control system

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