CN104290472A - Automatic resetting system and method for inkjet printer - Google Patents
Automatic resetting system and method for inkjet printer Download PDFInfo
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- CN104290472A CN104290472A CN201410459976.5A CN201410459976A CN104290472A CN 104290472 A CN104290472 A CN 104290472A CN 201410459976 A CN201410459976 A CN 201410459976A CN 104290472 A CN104290472 A CN 104290472A
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Abstract
The invention discloses an automatic resetting system for an inkjet printer. The system comprises a signal processing unit, a resetting unit and a power supply unit, wherein the signal processing unit is electrically connected with the resetting unit while the power supply unit is used for supplying power, the signal processing unit receives error reporting signals from the inkjet printer and transmits the processed error reporting signals to the resetting unit, and the resetting unit controls a resetting ink box chip and a paper box according to the categories of the error reporting signals. The system solves the encryption problem of the ink box chip, meanwhile the paper extraction state of the paper box is changed so that the inkjet printer can reset and continuously work, the manual participating frequency is reduced, manpower resources are saved, the automatic resetting system is a circuit board and small in size and can be directly installed in the inkjet printer without changing the structure of the inkjet printer, and movement of the inkjet printer cannot be obstructed. The invention further provides an automatic resetting method for the inkjet printer.
Description
Technical field
The present invention relates to a kind of printer technology field, particularly relate to a kind of ink-jet printer automatic reset system and method.
Background technology
Ink-jet printer (English: inkjet printer) is the one of printer, it adopts, and the ink of various color is mixed to be printed, ink-jet printer can the microscopic ink droplets of One's name is legion be accurately injected in need print medium on, comprise photo-printer having for color printer, ink-jetting style is absolute main flow.
But, ink-jet printer manufacturer major part is from abroad, after ink-jet printer enters Chinese market, ink-jet printer manufacturer abandons using genuine consumptive material to prevent Chinese user, have employed encryption measures immediately, retrain by the means of encryption the consumptive material that user must use them, as a printer repacking company, the repacking of this measure to us causes very large puzzlement.For solving the ink box chip cryptography issue of ink-jet printer, domestic chip cracks research and development unit and can only copy at present, and can not fundamentally solve the problem, more can not meet our demand, the imitated research and development of chip are concerning curing the symptoms, not the disease, so must deal with problems from root us.
Summary of the invention
The object of the invention is the defect overcoming prior art, provide a kind of ink-jet printer automatic reset system and method, solve the ink-jet printer problem that print cartridge is encrypted by ink box chip when quoting the prompting that print cartridge ink has been finished, also achieve the reset of ink-jet printer repacking carton paper extraction state, concrete technical scheme of the present invention is as follows simultaneously:
A kind of ink-jet printer automatic reset system, comprise signal processing unit, reset unit and power supply unit, described signal processing unit and reset unit are electrically connected and are powered by described power supply unit simultaneously, described signal processing unit receives the error signal coming from ink-jet printer, and the error signal processed is transferred to described reset unit, described reset unit realizes according to error signal classification the object controlling reset ink box chip and carton, wherein:
Described reset unit comprises photo-coupler U3, relay U4, triode Q, LED, 3rd diode D3, first resistance R1, second resistance R2, 3rd resistance R3 and the 4th resistance R4, described photo-coupler U3 model is TLP280 photo-coupler chip, 4th pin of described TLP280 photo-coupler chip connects one end of the first resistance R1, the other end of the first resistance R1 connects the voltage end of described power supply unit, 3rd pin of described TLP280 photo-coupler chip connects the control port of described signal processing unit, 1st pin ground connection of described TLP280 photo-coupler chip, 2nd pin connects one end of the second resistance R2 and the 3rd resistance R3, the other end of the second resistance R2 is connected the voltage end of described power supply unit with the emitter stage of triode Q, the base stage of the triode Q described in the other end of the 3rd resistance R3, described triode Q colelctor electrode is connected the 1st pin of described relay U4 with the negative pole of the 3rd diode D3, the plus earth of described 3rd diode D3, the 4th of described relay U4, 5, 8 pin ground connection, the negative pole of the 3rd pin connecting luminous diode LED, the positive pole of described LED connects one end of the 4th resistance R4, the other end of described 4th resistance R4 connects the voltage end of described power supply unit, 6th pin of described relay U4 connects the control pin of ink-jet printer reset.
Further, described signal processing unit 2 is single-chip microcomputer U2, described single-chip microcomputer U2 is STC15L104W single-chip microcomputer, described single-chip microcomputer U2 the 3rd pin is the 3rd pin that control end connects photo-coupler U3 in described reset unit, 7th pin is the input of ink-jet printer error signal, 2nd pin connects the voltage end of described power supply unit, the 4th pin ground connection, the 1st, 5,6,8 pins are unsettled.
Further, described power supply unit comprises voltage conversion chip U1, the first diode D1, the second diode D2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the first inductance L 1, second inductance L 2, described voltage conversion chip U1 is LM2575T-3.3 voltage conversion chip, 1st pin of LM2575T-3.3 voltage conversion chip is voltage input end, 2nd pin is voltage output end, and the 4th pin is pressure feedback port; The positive pole of the described first diode D1 of connection of ink-jet printer 24V main power source, the negative pole of described first diode D1 is connected the 1st pin of voltage conversion chip U1, the first electric capacity C1 negative pole end ground connection with the first electric capacity C1 positive terminal; The negative pole of described second diode D2 is connected the 2nd pin of voltage conversion chip U1 with one end of the second inductance L 2, the plus earth of the second diode D2, the other end of described second inductance L 2 connects the 4th pin of voltage conversion chip U1 together with first inductance L 1 one end and the second electric capacity C2 positive terminal, described second electric capacity C2 negative pole end ground connection, the other end of described first inductance L 1 connects the 3rd, the 5 pin ground connection of the voltage end of output, the 3rd described electric capacity C3 negative pole end and voltage conversion chip U1 together with the 3rd electric capacity C3 positive terminal.
A kind of automatically reset method of ink-jet printer, the method comprises:
1) ink-jet printer sends error signal, and the signal lamp simultaneously on the former panel of ink-jet printer starts flicker;
2) signal processing unit intercepts and captures ink-jet printer error signal, and judges error signal type by the flashing times calculating described signal lamp;
3) signal processing unit sends to reset unit the signal type result drawn, reset unit control relay closed is simulated the closed of ink-jet printer reset key thus reached the object of reset ink box chip and carton.
Further, in step 2) in, described signal lamp divides into groups according to flashing times, different group represents different implications, the time interval of every adjacent sets is longer than adjacent signals lamp blinking intervals in group, distinguish in group with this and glimmer between flicker or group, when signal lamp is one group of flicker with 2 times, for ink-jet printer carton is without paper or the unsuccessful signal of paper extraction, now reset unit control relay closes 1S and unclamps and make ink-jet printer again recover initial paper extraction state to carry out paper extraction, attempt No. three paper extractions unsuccessful, stop paper extraction, need to enter paper or investigation fault manually, when signal lamp is respectively to be for 4,13,14,15,16 times one group of flicker, for ink-jet printer cartridge lacks black signal, now reset unit control relay closes 5S and unclamps and make print cartridge enter original state, repeats this operation until till lacking black blackout.
Further, ink-jet printer paper extraction three times is unsuccessful, until after fault restoration (manually entering paper), signal processing unit counter just resets and becomes 0 wait counting next time again, it is then reset that print cartridge lacks black reset operation always, until print cartridge lacks black blackout.
A kind of ink-jet printer automatic reset system of the present invention and method, solve ink-jet printer and crack the problem of being encrypted by little ink box chip when quoting the prompting that print cartridge ink has been finished, thus ink box chip is normal to make ink-jet printer think, ink is enough, also achieve the reset of ink-jet printer repacking carton paper extraction state simultaneously, enable ink-jet printer continuous operation, reduce the number of times of manual intervention, save human resources, automatic reset system is circuit board, compact, ink-jet printer structure can not be changed and be directly installed to ink-jet printer inside, from the appearance, ink-jet printer is without any change, the movement of ink-jet printer can not be hindered.
Accompanying drawing explanation
Fig. 1 is the functional structure chart of a kind of ink-jet printer automatic reset system of the present invention;
Fig. 2 is the power supply unit circuit diagram of a kind of ink-jet printer automatic reset system of the present invention;
Fig. 3 is the signal processing circuit unit figure of a kind of ink-jet printer automatic reset system of the present invention;
Fig. 4 is the reset unit circuit diagram of a kind of ink-jet printer automatic reset system of the present invention;
Fig. 5 is the workflow diagram of the automatically reset method of a kind of ink-jet printer of the present invention.
Detailed description of the invention
Mechanism of the present invention and operation principle is described in detail below in conjunction with accompanying drawing.
In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing, the omission of some known features and explanation thereof is understandable.The corresponding same or analogous parts of same or analogous label.
The invention provides a kind of ink-jet printer automatic reset system, as shown in Figure 1, comprise signal processing unit 2, reset unit 3 and power supply unit 4, described signal processing unit and reset unit 3 are electrically connected and are powered by described power supply unit 4 simultaneously, signal processing unit 2 receives the error signal coming from ink-jet printer 1, and the error signal processed is transferred to described reset unit 3, described reset unit 3 realizes according to error signal classification the object controlling reset ink box chip and carton, wherein:
Reset unit 3 comprises photo-coupler U3, relay U4, triode Q, LED, 3rd diode D3, first resistance R1, second resistance R2, 3rd resistance R3 and the 4th resistance R4, photo-coupler U3 model is TLP280 photo-coupler chip, as shown in Figure 4, 4th pin of TLP280 photo-coupler chip connects one end of the first resistance R1, the other end of the first resistance R1 connects the voltage end of described power supply unit 4, 3rd pin of TLP280 photo-coupler chip connects the control port of described signal processing unit 2, 1st pin ground connection of TLP280 photo-coupler chip, 2nd pin connects one end of the second resistance R2 and the 3rd resistance R3, the other end of the second resistance R2 is connected the voltage end of described power supply unit 4 with the emitter stage of triode Q, the base stage of the other end triode Q of the 3rd resistance R3, triode Q colelctor electrode is connected the 1st pin of described relay U4 with the negative pole of the 3rd diode D3, the plus earth of the 3rd diode D3, the 4th of relay U4, 5, 8 pin ground connection, the negative pole of the 3rd pin connecting luminous diode LED, the positive pole of LED connects one end of the 4th resistance R4, the other end of the 4th resistance R4 connects the voltage end of described power supply unit 4, 6th pin of relay U4 connects the control pin of ink-jet printer reset.
Relay U4 when opening, switch pin 3,6 lay respectively at pin two, 7 position, as shown in Figure 4, when signal processing unit 2 sends control signal, switch pin 3,6 pushes pin 4,5 position respectively, now relay U4 adhesive.
Signal processing unit 2 is single-chip microcomputer U2, as shown in Figure 3, single-chip microcomputer U2 is STC15L104W single-chip microcomputer, single-chip microcomputer U2 the 3rd pin is the 3rd pin that control end connects photo-coupler U3 in reset unit, 7th pin is the input of ink-jet printer 1 error signal, 2nd pin connects the voltage end of power supply unit 4, the 4th pin ground connection, the 1st, 5,6,8 pins are unsettled.
Power supply unit 4 comprises voltage conversion chip U1, the first diode D1, the second diode D2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the first inductance L 1, second inductance L 2, as shown in Figure 2, voltage conversion chip U1 is LM2575T-3.3 voltage conversion chip, 1st pin of LM2575T-3.3 voltage conversion chip is voltage input end, 2nd pin is voltage output end, and the 4th pin is pressure feedback port; The positive pole of the connection first diode D1 of ink-jet printer 24V main power source, the negative pole of the first diode D1 is connected the 1st pin of voltage conversion chip U1, the first electric capacity C1 negative pole end ground connection with the first electric capacity C1 positive terminal; The negative pole of the second diode D2 is connected the 2nd pin of voltage conversion chip U1 with one end of the second inductance L 2, the plus earth of the second diode D2, the other end of the second inductance L 2 connects the 4th pin of voltage conversion chip U1 together with first inductance L 1 one end and the second electric capacity C2 positive terminal, second electric capacity C2 negative pole end ground connection, the other end of the first inductance L 1 connects the 3rd, the 5 pin ground connection of the voltage end of output, the 3rd electric capacity C3 negative pole end and voltage conversion chip U1 together with the 3rd electric capacity C3 positive terminal.
In the present embodiment, ink-jet printer 1 is 7280 ink-jet printers of Cannon, using the main power source 24V direct current of 7280 ink-jet printers as power supply, obtain 3.3V direct current (VCC) through LM2575T-3.3 voltage conversion chip and supply signal processing unit 2 and reset unit 3; " IN " in signal processing unit 2 is the input of 7280 ink-jet printer error signal, the crystal oscillator frequency that the STC15L104W single-chip microcomputer selected is the highest is 33.0175Mhz crystal oscillator frequency, adopt the number of times that external interrupt mode count signal occurs, in Fig. 3,4, P3.5 pin is control signal, make relay closes through overdrive circuit, control port is the control pin that printer resets.
According to a repositioning method for above-mentioned arbitrary described ink-jet printer automatic reset system, as shown in Figure 5, the method comprises workflow diagram:
1) ink-jet printer sends signal, and the signal lamp simultaneously on the former panel of ink-jet printer starts flicker;
2) signal processing unit intercepts and captures ink-jet printer signal, and judges signal type by the flashing times calculating described signal lamp.
Signal lamp divides into groups according to flashing times, and different groups represent different implications, and the time interval of every adjacent sets is longer than adjacent signals lamp blinking intervals in group, distinguishes in group glimmer between flicker or group with this; Relay closes 1S ink-jet printer carton can recover initial paper extraction state, and control relay closes 5S ink-jet printer cartridge and can restPose; When signal lamp is one group of flicker with 2 times, for ink-jet printer carton is without paper or the unsuccessful signal of paper extraction, now reset unit control relay closes 1S and unclamps and make ink-jet printer again recover initial paper extraction state to carry out paper extraction, attempt No. three paper extractions unsuccessful, stop paper extraction, need to enter paper or investigation fault manually; When signal lamp is respectively to be for 4,13,14,15,16 times one group of flicker, for ink-jet printer cartridge lacks black signal, now reset unit control relay closes 5S and unclamps and make print cartridge enter original state, repeats this operation until till lacking black blackout.
3) signal processing unit sends to reset unit the signal type result drawn, the closed closed object reaching reset ink box chip and carton simulating ink-jet printer reset key of reset unit control relay.
Special instruction ground, ink-jet printer paper extraction three times is unsuccessful, until after fault restoration (manually entering paper), signal processing unit counter just resets and becomes 0 wait counting next time again, it is then reset that print cartridge lacks black reset operation always, until print cartridge lacks black blackout; In order to accurate acquisition error signal, the present invention adopts external interrupt mode, is carrying out in reset operation process, and the error signal of ink-jet printer still can continue to report restoring board, but now reset operation can not be interrupted, error signal frequency also should not gather.
A kind of ink-jet printer automatic reset system of the present invention and method, solve ink-jet printer and crack the problem of being encrypted by little ink box chip when quoting the prompting that print cartridge ink has been finished, thus ink box chip is normal to make ink-jet printer think, ink is enough, also achieve the reset of ink-jet printer repacking carton paper extraction state simultaneously, enable ink-jet printer continuous operation, reduce the number of times of manual intervention, save human resources, automatic reset system is circuit board, compact, ink-jet printer structure can not be changed and be directly installed to ink-jet printer inside, from the appearance, ink-jet printer is without any change, the movement of ink-jet printer can not be hindered.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (6)
1. an ink-jet printer automatic reset system, it is characterized in that, comprise signal processing unit, reset unit and power supply unit, described signal processing unit and reset unit are electrically connected and are powered by described power supply unit simultaneously, described signal processing unit receives the error signal coming from ink-jet printer, and the error signal processed is transferred to described reset unit, described reset unit realizes according to the classification of error signal the object controlling reset ink box chip and carton, wherein:
Described reset unit comprises photo-coupler U3, relay U4, triode Q, LED, 3rd diode D3, first resistance R1, second resistance R2, 3rd resistance R3 and the 4th resistance R4, described photo-coupler U3 model is TLP280 photo-coupler chip, 4th pin of described TLP280 photo-coupler chip connects one end of the first resistance R1, the other end of the first resistance R1 connects the voltage end of described power supply unit, 3rd pin of described TLP280 photo-coupler chip connects the control port of described signal processing unit, 1st pin ground connection of described TLP280 photo-coupler chip, 2nd pin connects one end of the second resistance R2 and the 3rd resistance R3, the other end of the second resistance R2 is connected the voltage end of described power supply unit with the emitter stage of triode Q, the base stage of the triode Q described in the other end of the 3rd resistance R3, described triode Q colelctor electrode is connected the 1st pin of described relay U4 with the negative pole of the 3rd diode D3, the plus earth of described 3rd diode D3, the 4th of described relay U4, 5, 8 pin ground connection, the negative pole of the 3rd pin connecting luminous diode LED, the positive pole of described LED connects one end of the 4th resistance R4, the other end of described 4th resistance R4 connects the voltage end of described power supply unit, 6th pin of described relay U4 connects the control pin of ink-jet printer reset.
2. ink-jet printer automatic reset system as claimed in claim 1, it is characterized in that, described signal processing unit 2 is single-chip microcomputer U2, described single-chip microcomputer U2 is STC15L104W single-chip microcomputer, 3rd pin of described single-chip microcomputer U2 is the 3rd pin that control end connects photo-coupler U3 in described reset unit, 7th pin is the input of ink-jet printer error signal, and the 2nd pin connects the voltage end of described power supply unit, the 4th pin ground connection.
3. ink-jet printer automatic reset system as claimed in claim 1, it is characterized in that, described power supply unit comprises voltage conversion chip U1, the first diode D1, the second diode D2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the first inductance L 1, second inductance L 2, described voltage conversion chip U1 is LM2575T-3.3 voltage conversion chip, 1st pin of LM2575T-3.3 voltage conversion chip is voltage input end, 2nd pin is voltage output end, and the 4th pin is pressure feedback port; The positive pole of the described first diode D1 of connection of ink-jet printer 24V main power source, the negative pole of described first diode D1 is connected the 1st pin of voltage conversion chip U1, the first electric capacity C1 negative pole end ground connection with the first electric capacity C1 positive terminal; The negative pole of described second diode D2 is connected the 2nd pin of voltage conversion chip U1 with one end of the second inductance L 2, the plus earth of the second diode D2, the other end of described second inductance L 2 connects the 4th pin of voltage conversion chip U1 together with first inductance L 1 one end and the second electric capacity C2 positive terminal, described second electric capacity C2 negative pole end ground connection, the other end of described first inductance L 1 connects the 3rd, the 5 pin ground connection of the voltage end of output, the 3rd described electric capacity C3 negative pole end and voltage conversion chip U1 together with the 3rd electric capacity C3 positive terminal.
4. basis as arbitrary in claim 1-3 as described in the repositioning method of ink-jet printer automatic reset system, it is characterized in that, the method comprises:
1) ink-jet printer sends error signal, and the signal lamp simultaneously on the former panel of ink-jet printer starts flicker;
2) signal processing unit intercepts and captures ink-jet printer error signal, and judges error signal type by the flashing times calculating described signal lamp;
3) signal processing unit sends to reset unit the signal type result drawn, reset unit control relay closed is simulated the closed of ink-jet printer reset key thus reached the object of reset ink box chip and carton.
5. the automatically reset method of ink-jet printer as claimed in claim 4, it is characterized in that, step 2) in, described signal lamp divides into groups according to flashing times, different group represents different implications, the time interval of every adjacent sets is longer than adjacent signals lamp blinking intervals in group, distinguish in group with this and glimmer between flicker or group, when signal lamp is one group of flicker with 2 times, for ink-jet printer carton is without paper or the unsuccessful signal of paper extraction, now reset unit control relay closes S and unclamps and make ink-jet printer again recover initial paper extraction state to carry out paper extraction, attempt No. three paper extractions unsuccessful, stop paper extraction, need to enter paper or investigation fault manually.
6. the automatically reset method of ink-jet printer as claimed in claim 5, it is characterized in that, when signal lamp is one group of flicker with 4,13,14,15,16 times respectively, for ink-jet printer cartridge lacks black signal, now reset unit control relay closes 5S and unclamps and make print cartridge enter original state, repeats this operation until till lacking black blackout.
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| CN109501465A (en) * | 2018-11-14 | 2019-03-22 | 天津岳盈科技发展有限公司 | A kind of ink-jet printer automatic reset system and method |
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| CN104290472B (en) | 2016-04-13 |
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Address after: 518000 Wensheng center, Wenjin square, East Wenjin Road, Luohu District, Shenzhen, Guangdong, 2001 Patentee after: Shenzhen juding Medical Co.,Ltd. Address before: 518000 Wensheng center, Wenjin square, East Wenjin Road, Luohu District, Shenzhen, Guangdong, 2001 Patentee before: SHENZHEN JUDING MEDICAL DEVICE Co.,Ltd. |
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