CN102241198A - Spray head control plate and spray head driving voltage control method - Google Patents
Spray head control plate and spray head driving voltage control method Download PDFInfo
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- CN102241198A CN102241198A CN2010101754262A CN201010175426A CN102241198A CN 102241198 A CN102241198 A CN 102241198A CN 2010101754262 A CN2010101754262 A CN 2010101754262A CN 201010175426 A CN201010175426 A CN 201010175426A CN 102241198 A CN102241198 A CN 102241198A
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Abstract
The invention discloses a spray head control plate and a spray head voltage control method. The spray head control plate comprises a processing unit, a signal generator and a voltage control circuit, wherein the signal generator is used for generating control signals of spray heads and corresponding control commands are emitted to the spray heads by the processing unit according to the control signals of the spray heads; the processing unit is used for receiving the control signals of the spray heads, which are emitted by the signal generator, regulating parameters of a mainboard of an inkjet printer and the spray head control plate to further control the spray heads to work; and the voltage control circuit is used for boosting a 12V-48V direct current power supply of the spray head control plate to 65V-150V driving voltage which is required by every spray head through a voltage boosting circuit. The spray head control plate does not need a special high-voltage power supply and is powered by using a safe voltage; a high-voltage transmission path is short and between 20cm and 60cm, and the driving voltage of the spray heads is controlled precisely; the driving voltage of each spray head can be regulated independently and the regulation precision is high; and the voltage regulation range is large, the circuit is simple and the performances are stable.
Description
Technical field
The present invention relates to a kind of ink-jet printer with shower nozzle control panel and shower nozzle driving voltage control method, relate to a kind of ink-jet printer high pressure piezo jets control panel and shower nozzle driving voltage control method specifically.
Background technology
Inkjet printer technologies is divided two kinds of thermal foam formula and piezoelectric types, and it is exactly by applying voltage to piezo-electric crystal that piezoelectric ink jet is printed, and makes it to take place at a high speed and slight distortion, thereby the printing ink in the black chamber is extruded from nozzle.The shower nozzle control panel is the joint circuit board of ink-jet printer control system to shower nozzle, and every kind of shower nozzle all needs the interface circuit of oneself.Its end connects shower nozzle, and the other end connects mainboard.It provides print data, control signal and power drive signal for shower nozzle.As shown in Figure 1, the driving voltage difference of different high-pressure nozzles 3, general its driving voltage is between 65V-150V, shower nozzle control panel 2 is installed on the shower nozzle dolly 1, move reciprocatingly back and forth with shower nozzle dolly 1, pass through in the prior art high voltage package 4 identical with the shower nozzle number to be set at the inkjet printing motor spindle, high pressure transfers to shower nozzle control panel 2 from transmission line 5 through drag chain, send shower nozzle 3 to through flat cable 6 again, drive shower nozzle 3 work, transmission line 5 length that need between high voltage package 4 and the shower nozzle control panel 2 are between 4m-10m.Existing high-pressure nozzle driving voltage control method is because its transmission line is longer, cause signal attenuation easily, Control of Voltage is inaccurate, cause print quality to descend, transmission voltage height on its transmission line in addition, easily human body is caused unexpected harm in the transmission course, a plurality of high voltage package are set, the printer cost is improved.
Summary of the invention
At the problem that prior art exists, the object of the present invention is to provide a kind of Control of Voltage accurately, the ink-jet printer shower nozzle control panel of handling safety.
For achieving the above object, shower nozzle control panel of the present invention comprises processing unit, signal generator and voltage control circuit, wherein, signal generator is used to produce the control signal of shower nozzle, and sends control commands corresponding by processing unit to shower nozzle according to the control signal of shower nozzle; Processing unit receives the shower nozzle control signal that signal generator sends, and regulates the parameter of ink-jet printer mainboard and shower nozzle control panel, the work of control shower nozzle; Described voltage control circuit is used for the control command according to processing unit, the 12V-48V dc power supply of shower nozzle control panel is risen to the driving voltage 65V-150V of each shower nozzle needs by its booster circuit.
Further, described shower nozzle is the high pressure piezo jets.
Further, described high pressure piezo jets comprises Dimatix shower nozzle, Galaxy shower nozzle, Polaris shower nozzle, S-class shower nozzle, Q-class shower nozzle.
Further, described signal generator is FPGA or CPLD.
Further, described processing unit is a microprocessor.
Further, the control signal of described shower nozzle comprises igniting fluctuating signal, clock signal, pixel data signal and heating-up temperature signal.
Further, the parameter of described shower nozzle control panel comprises nozzle temperature, sensor signal and clock signal.
Further, described voltage control circuit also comprises trigger impulse circuit and level shifting circuit.
Further, low side divider resistance in the described booster circuit on the voltage feedback loop is the equivalent resistance that another resistance in parallel formed after digital regulation resistance was connected with a resistance, digital regulation resistance is used to adjust booster circuit voltage, can guarantee in the digital regulation resistance short circuit with the resistance of digital regulation resistance series and parallel or when opening circuit the ratio of divider resistance in normal range (NR).
Further, comprise a delay circuit in the described booster circuit.
Further, described delay circuit is made of resistance and capacitances in series.
Further, each shower nozzle correspondence of ink-jet printer is connected with a described booster circuit.
Further, also be provided with the LVDS interface on the described shower nozzle control panel, the signal demand that described mainboard is sent here is single-ended signal by the LVDS receiving chip by Difference Solution, and the signal of delivering to mainboard also need be packaged into the LVDS signal by corresponding transmission chip.
Another object of the present invention is to propose a kind of high pressure piezo jets driving voltage control method, be specially, adopt a 12V-48V dc source to give the power supply of shower nozzle control panel, the driving voltage 65V-150V that the 12V-48V boost in voltage is needed to a shower nozzle by the booster circuit that is provided with on the shower nozzle control panel.
Further, each shower nozzle of the corresponding ink-jet printer of a plurality of booster circuits is set on the shower nozzle control panel, realizes that the driving voltage of each shower nozzle is adjustable separately.
Further, low side divider resistance in the described booster circuit on the voltage feedback loop is the equivalent resistance that another resistance in parallel formed after digital regulation resistance was connected with a resistance, digital regulation resistance is used to adjust booster circuit voltage, can guarantee in the digital regulation resistance short circuit with the resistance of digital regulation resistance series and parallel or when opening circuit the ratio of divider resistance in normal range (NR).
Further, comprise a delay circuit in the described booster circuit.
Further, described delay circuit is made of resistance and capacitances in series.
The advantage of shower nozzle control panel of the present invention:
Do not need a plurality of special controllable high-voltage power supplys, use a safe DC-voltage supply, reduce cost and reduced volume;
The high-voltage transmission path is short, and between 20cm～60cm, Control of Voltage is accurate;
The shower nozzle driving voltage is long-range adjustable;
But the driving voltage of each shower nozzle of independent regulation, and degree of regulation height;
The voltage-regulation scope is big, boosts to 65V-150V from 12V-48V, and circuit is simple, stable performance.
Description of drawings
Fig. 1 is a shower nozzle Control of Voltage schematic diagram in the prior art;
Fig. 2 is shower nozzle Control of Voltage schematic diagram among the present invention;
Fig. 3 is the structured flowchart of the shower nozzle control panel of a specific embodiment of the present invention;
Fig. 4 is the booster circuit schematic diagram of the shower nozzle control panel of a specific embodiment of the present invention.
The specific embodiment
As shown in Figures 2 and 3, shower nozzle control panel 8 power supplies that high pressure piezo jets voltage control method of the present invention adopts a safe voltage (more than or equal to 12V DC smaller or equal to 48V DC) power supply 11 to give to print on the dolly 7, the supply voltage of 12V-48V is boosted to the driving voltage 65V-150V of each shower nozzle 9 needs by the booster circuit that is provided with on the shower nozzle control panel 8, shower nozzle control panel 8 is provided with the booster circuit identical with the shower nozzle number, one shower nozzle of the corresponding ink-jet printer of each booster circuit realizes that the driving voltage of each shower nozzle 9 is adjustable separately.High pressure piezo jets voltage control method of the present invention replaces high voltage package of the prior art with safe voltage, avoided the long-distance transmissions high-tension electricity that human body is caused unexpected injury, (shower nozzle 3 operating voltages of prior art regulate the back by the high voltage package 4 that is arranged on the printer bottom and send shower nozzle control panel 2 control shower nozzles 3 to from the printer bottom through transmission line 5 to have shortened transmission range simultaneously, shower nozzle operating voltage of the present invention sends shower nozzle control panel 8 by the safe voltage 11 that is arranged on the printer bottom to through transmission line 10, and 8 booster circuits that are provided with regulate the operating voltage of each shower nozzle needs after flat cable 12 sends shower nozzle 9 on the shower nozzle control panel.The former high-voltage transmission distance is the distance of high voltage package 4 to shower nozzle 3, and its high-voltage transmission path is the length that transmission line 5 adds flat cable 6, generally between 4m～10m; The latter's high-voltage transmission distance is that booster circuit is to the distance of shower nozzle on the shower nozzle control panel, and its high-voltage transmission path is the length of flat cable 12, generally between 20cm～60cm).Shower nozzle control panel of the present invention links to each other with shower nozzle with the ink-jet printer mainboard, the print data of shower nozzle is directed to mainboard, the shower nozzle control panel comprises single-chip microcomputer, FPGA/CPLD, voltage control circuit and LVDS coffret, FPGA/CPLD is used to produce the control signal of shower nozzle, and sends control commands corresponding by single-chip microcomputer to shower nozzle according to the control signal of shower nozzle; The control signal of shower nozzle is produced by FPGA/CPLD, FPGA/CPLD receives the same control signal from mainboard, produce the distinctive control signal of various shower nozzles, as firing pulse, clock signal, pixel data, heating-up temperature etc., some control signal is not delivered to shower nozzle but the impulse generator of control head plate as the igniting fluctuating signal, is used for producing the output pulses that drives shower nozzle.
Single-chip microcomputer receives the shower nozzle control signal that FPGA/CPLD sends, and regulates the parameter of ink-jet printer mainboard and shower nozzle control panel, the work of control shower nozzle; Nearly all parameter on the shower nozzle control panel can be passed through the microcontroller serial port remote adjustment as nozzle temperature, sensor signal (paper is wide, paper is thick, liquid level etc. in the assistant print cartridges), clock signal.The present invention can adopt different microprocessors to realize the control function.
The interface of shower nozzle control panel and mainboard is LVDS, and this interface has the advantage that antijamming capability is strong, the cable core number is few, transmission path is short, signal attenuation is few.The signal demand that mainboard is sent here is single-ended signal by the LVDS receiving chip by Difference Solution, and the signal of delivering to mainboard also need be packaged into the LVDS signal by similar transmission chip.Sensor sends to mainboard with detected signal through the LVDS packing, and mainboard is according to each parts work of detected signal controlling printer.
Voltage control circuit is used for the control command according to single-chip microcomputer, controls the driving voltage that each shower nozzle needs by its booster circuit; Voltage control circuit comprises booster circuit, circuits for triggering and level shifting circuit, the trigger impulse circuit is used to produce high-voltage pulse, firing pulse, pixel data and clock signal that CPLD produces are Transistor-Transistor Logic level, the triggering signal of shower nozzle is the CMOS level, because the value of the high-low level of TTL and CMOS is different, so need the conversion of level when interconnecting.Fig. 4 is the schematic diagram of booster circuit in the present embodiment, and adopting its model of switch control chip IC01 is LM3478, guarantees the quality of output, and this chip can switch multiple control modes according to the situation of load; To have that divider resistance makes a digital regulation resistance IC02 on the booster circuit voltage feedback loop now, realize that voltage is long-range adjustable.And directly digital regulation resistance is replaced divider resistance that digital regulation resistance will be damaged, cause feedback control loop unusual.Earlier have digital regulation resistance IC02 now on booster circuit voltage feedback loop divider resistance among the embodiment, thereby guarantee that digital regulation resistance is that short circuit or the ratio of the divider resistance that opens circuit are all in scope normally with the equivalent resistance that forms with another resistance R 05 back in parallel again after a resistance R 04 connect is alternative.To the impact of power supply, embodiment had increased by a delay circuit on the basis of existing booster circuit when the while powered in order to reduce, and delay circuit is made of resistance R 03 and capacitor C 01, and sets a bigger time-delay.Also increasing among the embodiment has a resistance R 36 to prevent powered on moment because the unsettled short circuit that causes over the ground of metal-oxide-semiconductor T01 grid.Each shower nozzle correspondence on the ink-jet printer is connected with a booster circuit, but the driving voltage by each shower nozzle of booster circuit independent regulation.
It is to be noted and any distortion of making according to the specific embodiment of the present invention all do not break away from the scope that spirit of the present invention and claim are put down in writing.
Claims (10)
1. a shower nozzle control panel comprises processing unit, signal generator and voltage control circuit, and wherein, signal generator is used to produce the control signal of shower nozzle, and sends control commands corresponding by processing unit to shower nozzle according to the control signal of shower nozzle; Processing unit receives the shower nozzle control signal that signal generator sends, and regulates the parameter of ink-jet printer mainboard and shower nozzle control panel, the work of control shower nozzle; It is characterized in that described voltage control circuit is used for the control command according to processing unit, the 12V-48V dc power supply of shower nozzle control panel is risen to the driving voltage 65V-150V of each shower nozzle needs by its booster circuit.
2. shower nozzle control panel as claimed in claim 1 is characterized in that, described shower nozzle is the high pressure piezo jets.
3. shower nozzle control panel as claimed in claim 2 is characterized in that, described high pressure piezo jets comprises Dimatix shower nozzle, Galaxy shower nozzle, Polaris shower nozzle, S-class shower nozzle, Q-class shower nozzle.
4. shower nozzle control panel as claimed in claim 1, it is characterized in that, low side divider resistance in the described booster circuit on the voltage feedback loop is the equivalent resistance that another resistance in parallel formed after digital regulation resistance was connected with a resistance, digital regulation resistance is used to adjust booster circuit voltage, can guarantee in the digital regulation resistance short circuit with the resistance of digital regulation resistance series and parallel or when opening circuit the ratio of divider resistance in normal range (NR).
5. shower nozzle control panel as claimed in claim 4 is characterized in that, comprises a delay circuit in the described booster circuit.
6. shower nozzle control panel as claimed in claim 5 is characterized in that described delay circuit is made of resistance and capacitances in series.
7. as each described shower nozzle control panel of claim 1-6, it is characterized in that each shower nozzle correspondence of ink-jet printer is connected with a described booster circuit.
8. a high pressure piezo jets driving voltage control method is specially, and adopts a 12V-48V dc source to give the power supply of shower nozzle control panel, the driving voltage 65V-150V that the 12V-48V boost in voltage is needed to a shower nozzle by the booster circuit that is provided with on the shower nozzle control panel.
9. high pressure piezo jets driving voltage control method as claimed in claim 8 is characterized in that, each shower nozzle of the corresponding ink-jet printer of a plurality of booster circuits is set on the shower nozzle control panel, realizes that the driving voltage of each shower nozzle is adjustable separately.
10. high pressure piezo jets driving voltage control method as claimed in claim 8, it is characterized in that, low side divider resistance in the described booster circuit on the voltage feedback loop is the equivalent resistance that another resistance in parallel formed after digital regulation resistance was connected with a resistance, digital regulation resistance is used to adjust booster circuit voltage, can guarantee in the digital regulation resistance short circuit with the resistance of digital regulation resistance series and parallel or when opening circuit the ratio of divider resistance in normal range (NR).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101754262A CN102241198B (en) | 2010-05-12 | 2010-05-12 | Spray head control plate and spray head driving voltage control method |
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| CN2010101754262A CN102241198B (en) | 2010-05-12 | 2010-05-12 | Spray head control plate and spray head driving voltage control method |
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| CN102241198A true CN102241198A (en) | 2011-11-16 |
| CN102241198B CN102241198B (en) | 2013-12-11 |
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| CN2010101754262A Active CN102241198B (en) | 2010-05-12 | 2010-05-12 | Spray head control plate and spray head driving voltage control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002557A (en) * | 2014-05-05 | 2014-08-27 | 上海古鳌电子科技股份有限公司 | High-speed ink-jet printing module |
| CN107959283A (en) * | 2017-11-30 | 2018-04-24 | 宁夏共享模具有限公司 | 3D printing head Driver Card bistable state closed-loop direct electric power system and method |
| CN110471350A (en) * | 2019-08-23 | 2019-11-19 | 森大（深圳）技术有限公司 | Spray head parameter configuration circuit, method, apparatus and storage medium |
| CN117465135A (en) * | 2023-11-24 | 2024-01-30 | 广州市森扬电子科技有限公司 | Spray nozzle voltage output self-correction method, device and storage medium |
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| CN1876377A (en) * | 2005-06-07 | 2006-12-13 | 明基电通股份有限公司 | Device and method for supplying spray nozzle voltage of ink jet printer |
| CN201685526U (en) * | 2010-05-12 | 2010-12-29 | 北京美科艺数码科技发展有限公司 | Nozzle control panel |
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| JP3256748B2 (en) * | 1993-06-30 | 2002-02-12 | ライオン株式会社 | Liquid softener composition for clothing |
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| JPS6218273A (en) * | 1985-07-17 | 1987-01-27 | Ricoh Co Ltd | Charge deflection type ink jet recording apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002557A (en) * | 2014-05-05 | 2014-08-27 | 上海古鳌电子科技股份有限公司 | High-speed ink-jet printing module |
| CN104002557B (en) * | 2014-05-05 | 2016-03-30 | 上海古鳌电子科技股份有限公司 | A kind of high speed ink jet print module |
| CN107959283A (en) * | 2017-11-30 | 2018-04-24 | 宁夏共享模具有限公司 | 3D printing head Driver Card bistable state closed-loop direct electric power system and method |
| CN110471350A (en) * | 2019-08-23 | 2019-11-19 | 森大（深圳）技术有限公司 | Spray head parameter configuration circuit, method, apparatus and storage medium |
| CN110471350B (en) * | 2019-08-23 | 2022-06-17 | 森大（深圳）技术有限公司 | Nozzle parameter configuration circuit, method and device and storage medium |
| CN117465135A (en) * | 2023-11-24 | 2024-01-30 | 广州市森扬电子科技有限公司 | Spray nozzle voltage output self-correction method, device and storage medium |
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| Publication number | Publication date |
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| CN102241198B (en) | 2013-12-11 |
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