CN102529401B - Ink box chip and operating method thereof as well as ink box - Google Patents
Ink box chip and operating method thereof as well as ink box Download PDFInfo
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- CN102529401B CN102529401B CN201210019448.9A CN201210019448A CN102529401B CN 102529401 B CN102529401 B CN 102529401B CN 201210019448 A CN201210019448 A CN 201210019448A CN 102529401 B CN102529401 B CN 102529401B
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Abstract
The invention provides an ink box chip and an operating method thereof as well as an ink box. The ink box chip comprises a substrate; a communication unit and an electronic module are arranged on the substrate; the communication unit comprises two detection contacts; the electronic module is provided with a control unit and a storage device, and is further provided with a piezoelectric signal generation circuit electrically connected with the detection contacts; the piezoelectric signal generation circuit is provided with a capacitor and a transformer; a primary coil of the transformer is connected in parallel with the capacitor; a secondary coil of the transformer is connected in series with a switching device; and a control end of the switching device is connected with the control unit. The operation method of the ink box chip comprises the following steps: the storage device receives the ink allowance data printed by an ink-jet printer, the controller judges whether the printed ink allowance data is lower than a threshold value or not; and if the printed ink allowance data is lower than a threshold value, a continuity signal is output to the switching device, and conversely a stop signal is output to the switching device. The chip can output a piezoelectric signal with different vibration frequencies, and avoids the condition that the ink box and the ink-jet printer abnormally work.
Description
Technical field
The present invention relates to printing field, especially relate to a kind of print cartridge on ink-jet printer and the chip of this print cartridge, method of work of ink box chip of being arranged on.
Background technology
Ink-jet printer is common printer, for modern office provides great convenience.Ink-jet printer uses the print cartridge that accommodates ink to spray ink as consumable container to paper, to form the word or the pattern that need printing on paper.
Referring to Fig. 1, existing a kind of color inkjet printer has casing 11, and the ink-jet printer shown in Fig. 1 has omitted the supporting plate of casing 11.In casing 11, be provided with the movement 12 of ink-jet printer, and be provided with a slide bar 20, print word car 14 and move back and forth along slide bar 20 under the drive of motor (invisible in Fig. 1).Print in word car 14 and be provided with keyset (invisible in Fig. 1), keyset is electrically connected with movement 12 by winding displacement 13.Print word car 14 and there is cavity, multiple print cartridges 15 are removably installed in cavity, in different print cartridges 15, accommodate the ink of different colours.
Referring to Fig. 2, print cartridge 15 has housing 16, and housing 16 surrounds the cavity that holds ink, and the lower end of cavity is provided with ink outlet port 17, and the ink in cavity flows out by ink outlet port 17, and to the confession tattooing needle ink supply of printing word car 14.
On the outer wall of print cartridge 15 housings 16, chip piece 18 is installed, chip 18 has substrate, and a side of substrate is provided with multiple electric contacts 19, and for being electrically connected with keyset, and electric contact 19 comprises multiple communication contacts and two detection contacts.The opposite side of substrate is provided with the electronic module (invisible in Fig. 2) being electrically connected with electric contact 19.
Referring to Fig. 3, electronic module is provided with memory 21 and control module 22, and control module 22 receives by communication contact the signal that ink-jet printer sends, and judges the order of these signal representatives, and the while operates accordingly according to command execution, as read and write data etc.
Memory 21 stores the information relevant to print cartridge, comprise variable information and fixed information, variable information is the information constantly changing with printing meeting, as information such as ink surplus, printing durations, fixed information is the information that can not change with printing, as print cartridge model, applicable ink-jet printer model, ink color etc.
More existing print cartridges arrange piezoelectric transducer at ink outlet port 17 places, and piezoelectric transducer is connected with detection contact, and receives the signal of telecommunication that ink-jet printer sends.
Print cartridge 15 is installed to after the printing word car 14 of ink-jet printer, ink-jet printer powers on to chip 18, namely by communication contact to electronic module transmitted signal, and read the data that are stored in chip 18 memories 21, judge whether print cartridge 15 models are suitable, whether the interior residual ink amount of print cartridge 15 is sufficient etc.Only have and judge in the suitable and print cartridge 15 of print cartridge 15 models have after sufficient ink, ink-jet printer could be carried out print job.
Ink-jet printer, carrying out after a printing, will calculate the remaining quantity of ink of print cartridge 15, and the ink surplus data of renewal will be written in memory 21.Therefore, ink-jet printer need to be in each ink surplus data that read chip 18 interior storages before carrying out printing, have sufficient ink to determine in print cartridge.
In addition, the detection contact that ink-jet printer also passes through chip 18 is to the piezoelectric transducer output AC signal of telecommunication, because piezoelectric transducer is receiving after ac signal and will shake and produce the signal of certain frequency of oscillation, in the time that piezoelectric transducer shakes in air, frequency of oscillation is higher, and frequency of oscillation is lower while shaking in liquid.Therefore, while having ink in ink outlet port 17, the frequency of oscillation of piezoelectric transducer is lower, and when ink outlet port 17 does not have ink, the frequency of oscillation of piezoelectric transducer is higher.Ink-jet printer further judges in print cartridge whether have sufficient ink to carry out printing by detecting piezoelectric transducer.And, when ink-jet printer, judge when the frequency of oscillation of piezoelectric transducer is higher, will send alarm signal, prompting user changes print cartridge.
Because the production cost of piezoelectric transducer is higher, and working sensitivity will reduce greatly under certain working environment, therefore more existing print cartridges carry out instead of piezoelectric sensors with piezoelectric signal analog circuit, as shown in Figure 3, piezoelectric signal analog circuit is made up of inductance L 1, L2, resistance R 1 and capacitor C 1, C2, and is connected with two detection contacts 23,24.Because piezoelectric signal analog circuit is made up of LC oscillating circuit, and the frequency of oscillation producing is fixed, conventionally be set to the state that frequency of oscillation is lower, so that when ink-jet printer sends ac signal, piezoelectric signal analog circuit can be exported the AC signal that frequency of oscillation is lower, and ink-jet printer thinks to have sufficient ink in print cartridge.
But, because piezoelectric signal analog circuit can only be exported the fixing piezoelectric signal of frequency of oscillation, and can not simulate print cartridge higher signal of frequency of oscillation while thering is no ink, while causing the interior ink cartridge low of print cartridge, ink-jet printer does not still receive the piezoelectric signal that frequency of oscillation is higher, thereby can not send alarm signal and change print cartridge with prompting user, the print cartridge that causes user always to use ink to be exhausted, often cause the irregular working of print cartridge and ink-jet printer, not only affect print quality, also can cause the damage of print cartridge and ink-jet printer.
Summary of the invention
Main purpose of the present invention is to provide a kind of adjustable ink box chip of piezoelectric signal frequency of oscillation of exporting.
Another object of the present invention is to provide a kind of print cartridge of effectively avoiding irregular working.
A further object of the present invention is to provide a kind of ink box chip method of work of avoiding ink-jet printer and print cartridge to damage.
For realizing above-mentioned main purpose, ink box chip provided by the invention has substrate, the electronic module that substrate is provided with communication unit and is electrically connected with communication unit, communication unit comprises that two are detected contact, the memory that electronic module is provided with control module and is connected with control module, electronic module is also provided with and the piezoelectric signal analog circuit that detects contact and be electrically connected, wherein, piezoelectric signal analog circuit has electric capacity and transformer, the primary coil of transformer is connected with Capacitance parallel connection, secondary coil and the switching device of transformer are connected in series, and the control end of switching device is connected with control module.
From such scheme, in the time that switching device ends, transformer is in Light Condition, the primary coil electric current of flowing through is less, be that inductance value is larger, therefore the signal oscillating frequency of piezoelectric signal analog circuit output is lower, can simulate the frequency of oscillation of sufficient ink state lower piezoelectric sensor.In the time of switching device conducting, transformer belt load running, the primary coil electric current of flowing through is larger, and inductance value is less, and the signal of telecommunication vibration frequency of piezoelectric signal analog circuit output is higher, can simulate the frequency of oscillation that there is no ink lower piezoelectric sensor.By the break-make of gauge tap device, can make the AC signal of two kinds of different vibration frequencies of piezoelectric signal analog circuit output, can in the time that not having ink, guarantee by print cartridge that like this ink-jet printer sends cue, prompting user changes print cartridge.
A preferred scheme is that switching device is triode or FET.Can realize easily control due to triode or FET, be conducive to chip and realize at low cost and apply.
For realizing another above-mentioned object, print cartridge provided by the invention comprises housing, housing surrounds the cavity that holds ink, the lower end of cavity is provided with ink outlet port, and the outer wall of housing is provided with chip, chip has substrate, the electronic module that substrate is provided with communication unit and is electrically connected with communication unit, communication unit comprises that two are detected contact, the memory that electronic module is provided with control module and is connected with control module, electronic module is also provided with and the piezoelectric signal analog circuit that detects contact and be electrically connected, wherein, piezoelectric signal analog circuit has electric capacity and transformer, the primary coil of transformer is connected with Capacitance parallel connection, secondary coil and the switching device of transformer are connected in series, and the control end of switching device is connected with control module.
From such scheme, the piezoelectric signal analog circuit of ink box chip has transformer and electric capacity, unloaded during with bringing onto load at the secondary coil of transformer, the inductance value of primary coil will change, therefore can change the frequency of oscillation of piezoelectric signal analog circuit output signal, thereby guarantee that ink-jet printer can receive the signal that frequency of oscillation is higher, judge ink surplus deficiency in print cartridge, and the information that gives a warning, prompting user changes print cartridge, avoids causing because ink surplus in print cartridge is not enough ink-jet printer irregular working.
For realizing an above-mentioned object again, in ink box chip method of work provided by the invention, ink box chip has substrate, the electronic module that substrate is provided with communication unit and is electrically connected with communication unit, communication unit comprises that two are detected contact, the memory that electronic module is provided with control module and is connected with control module, electronic module is also provided with and the piezoelectric signal analog circuit that detects contact and be electrically connected, wherein, piezoelectric signal analog circuit has electric capacity and transformer, the primary coil of transformer is connected with Capacitance parallel connection, secondary coil and the switching device of transformer are connected in series, and the control end of switching device is connected with control module, the method comprises that memory receives the ink surplus data that ink-jet printer writes, controller judges that whether the ink surplus data that write are lower than threshold value, if lower than threshold value, to switching device output Continuity signal, otherwise, to switching device output pick-off signal.
As can be seen here, controller is controlled switching device conducting in the time judging ink surplus lower than threshold value, the signal oscillating frequency of piezoelectric signal analog circuit output is higher, end and control switching device in the time judging ink surplus higher than threshold value, the AC signal frequency of oscillation that piezoelectric signal analog circuit produces is lower, thereby guarantee that ink-jet printer can receive the signal that frequency is higher in the time that ink surplus is not enough, prompting user changes print cartridge, the damage of avoiding ink-jet printer and print cartridge to cause because carrying out empty printing.
Brief description of the drawings
Fig. 1 is the structure chart of existing a kind of ink-jet printer.
Fig. 2 is the structure enlarged drawing of existing print cartridge.
Fig. 3 is the electric theory diagram of existing ink box chip electronic module.
Fig. 4 is the electric theory diagram of electronic module in ink box chip embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
The print cartridge of the present embodiment is releasably attached in ink-jet printer, and ink-jet printer has casing, is provided with movement in casing, and movement is provided with circuit board, and circuit board is provided with the governor circuit of ink-jet printer, for controlling the work of ink-jet printer.And, in the casing of printer, be also provided with a slide bar, printing word car can move back and forth in casing along slide bar under the drive of motor.Print in word car and be provided with keyset, keyset is connected to governor circuit by winding displacement.In addition, a side of keyset is provided with multiple electric contacts.
Print word car and have cavity, multiple print cartridges are releasably attached in cavity.Each print cartridge has a housing, and housing surrounds the cavity that holds ink, and the lower end of cavity is provided with ink outlet port, and the ink in cavity flows out by ink outlet port.
On outer wall of housing of print cartridge, chip piece is installed, chip has a substrate, and substrate one side is toward the outer side provided with the multiple electric contacts as communication unit, for being connected with the electric contact on keyset.In electric contact on chip substrate, a part is communication contact, for realizing the exchanges data of chip and inkjet printing machine core, the electric contact of another part is to detect contact, for receiving the ac signal of ink-jet printer output, and returns to AC signal to ink-jet printer.Certainly,, if between ink-jet printer and consumable chip be radio communication, the communication contact in communication unit can be the antenna for radio communication.
Substrate is provided with electronic module towards the one side of inner side, and the electrical schematic diagram of electronic module as shown in Figure 4.In electronic module, be provided with memory 31, control module 32 and piezoelectric signal analog circuit 33, control module 32 can be used for receiving the signal that ink-jet printer sends, and carry out accordingly and order, memory 31 is for storing the data that print cartridge and ink are relevant, comprises and in print cartridge model, applicable ink-jet printer model, print cartridge, holds in ink color, print cartridge ink surplus etc.Certainly, the data of ink surplus are carried out after printing each, are upgraded and are written in memory 31 by ink-jet printer.
Piezoelectric signal analog circuit 33 has as the triode T1 of switching device, transformer T2, inductance L 5, capacitor C 3, C4, C5 and resistance R 3, R4, transformer T2 has primary coil L3 and secondary coil L4, primary coil L3 and capacitor C 3 are connected in parallel, form LC oscillating circuit, receiving after AC signal, generation is being there is to the AC signal of certain frequency of oscillation.And resistance R 4 is connected in series with capacitor C 4, capacitor C 5 is connected in series with inductance L 5, for regulating the amplitude etc. of the AC signal that piezoelectric signal analog circuit generates.
The control end of triode T1, namely base stage is connected with control module 32, the control signal that reception control unit 32 is exported, the i.e. signal of high level.Two outputs of triode T1, emitter stage, colelctor electrode and resistance R 3, secondary coil L4 are connected in series.In the time of triode T1 conducting, secondary coil L4 and resistance R 3 form closed-loop path, and in the time that triode T1 ends, secondary coil L4 and resistance R 3 form open circuit.
When ink-jet printer work, the ink surplus data of storing by electric contact read memory 31, and after a printing, calculate ink surplus in print cartridge, the ink surplus data after upgrading are written in memory 31.Control module 32 when ink surplus data are written to memory 31 after renewal, judges that whether ink surplus data are lower than a threshold value, and this threshold value is predefined value, as 5% etc.If lower than this threshold value, represent ink surplus deficiency in print cartridge, need to point out user to change print cartridge, if higher than threshold value, represent to still have sufficient ink in print cartridge, do not need to change print cartridge.
In the time that control module 32 judges ink surplus higher than threshold value, base stage to triode T1 loads low level signal, that is to say the signal of cut-off, triode T1 cut-off, on secondary coil L4, do not have electric current to flow through, transformer T2 is in Light Condition, when ink-jet printer detects contact 34,35 to primary coil L3 loading alternating current by two, piezoelectric signal analog circuit 33 produces output AC signal, and this AC signal frequency of oscillation f is
(formula 1)
Wherein L, C are respectively inductance value and capacitance, and inductance value mainly determines by primary coil L3 inductance value, and capacitance is mainly determined by the capacitance of capacitor C 3.
In the time that control module 32 judges ink surplus lower than threshold value, base stage to triode T1 loads high level signal, it is Continuity signal, triode T1 conducting, secondary coil L4 and resistance R 3 form closed loop, in the time having electric current to flow through on primary coil L3, secondary coil L4 is upper will respond to formation induced-current, also just produce magnetic flux, the flow direction generating because of secondary coil L4 induction is contrary with the flow direction of primary coil L3, the magnetic flux that generated by secondary coil L4 of magnetic flux that primary coil L3 the generates part of cancelling out each other, the electric current that causes flowing through on primary coil L3 increases, induction reactance is corresponding reducing also, the inductance value that is equivalent to primary coil L3 reduces.According to formula 1, when the inductance value L of primary coil L3 reduces, but capacitance C do not have in vicissitudinous situation, and the frequency of oscillation f of piezoelectric signal analog circuit 33 output signals increases.
Like this, only have transformer T2, capacitor C 3 and resistance R 3 that Selecting All Parameters is suitable, can be in the time of triode T1 conducting, allow piezoelectric signal analog circuit 33 export the signal that frequency of oscillation is higher, and in the time that ending, exports triode T1 the signal that frequency of oscillation is lower, and the signal similar that the signal that this frequency of oscillation is higher and piezoelectric transducer vibrate in air, the signal similar that the signal that frequency of oscillation is lower and piezoelectric transducer vibrate in ink, can simulate the signal that two kinds of different conditions lower piezoelectric sensors are exported.
When ink-jet printer writes ink surplus and is less than threshold value to chip, control module 32 controls triode T1 conducting, piezoelectric signal analog circuit 33 can be exported the AC signal that frequency of oscillation is higher to ink-jet printer, ink-jet printer sends the information of changing print cartridge to user, can facilitate user to understand in time the service condition of ink in print cartridge, thereby avoid print cartridge under state, to print operation to the greatest extent at China ink, prevent the damage of print cartridge and ink-jet printer.
Certainly, above-described embodiment is only preferably embodiment of the present invention, when practical application, can also there is more variation, for example, use FET to substitute triode as switching device, and in above-described embodiment, triode is the device of high level conducting, in actual application, can also use the device of low level conducting, so need to ink surplus during lower than threshold value to switching device output low level signal, export high level signal in ink surplus during higher than threshold value, such change can realize object of the present invention equally.
The variations such as the change of the change of switching device, threshold data, piezoelectric signal analog circuit particular circuit configurations finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, as also should being included in the protection domain of the claims in the present invention.
Claims (9)
1. ink box chip, comprises
Substrate, the electronic module that described substrate is provided with communication unit and is electrically connected with described communication unit, described communication unit comprises that two are detected contact, the memory that described electronic module is provided with control module and is connected with described control module, described electronic module is also provided with the piezoelectric signal analog circuit being electrically connected with described detection contact;
It is characterized in that:
Described piezoelectric signal analog circuit has electric capacity and transformer, and the primary coil of described transformer is connected with described Capacitance parallel connection, and secondary coil and the switching device of described transformer are connected in series, and the control end of described switching device is connected with described control module;
When described switching device cut-off, the signal oscillating frequency of described piezoelectric signal analog circuit output during lower than described switching device conducting described in the frequency of oscillation of signal of piezoelectric signal analog circuit output, when described switching device cut-off, described piezoelectric signal analog circuit is for simulating the oscillator signal of sufficient ink state lower piezoelectric sensor, when described switching device conducting, described piezoelectric signal analog circuit is for simulating the oscillator signal of ink cartridge low state lower piezoelectric sensor.
2. ink box chip according to claim 1, is characterized in that:
Described switching device is triode or FET.
3. ink box chip according to claim 1 and 2, is characterized in that:
Described secondary coil is also connected in series with a resistance.
4. print cartridge, comprises
Housing, described housing surrounds the cavity that holds ink, the lower end of described cavity is provided with ink outlet port, and the outer wall of described housing is provided with chip, described chip has substrate, the electronic module that described substrate is provided with communication unit and is electrically connected with described communication unit, described communication unit comprises that two are detected contact, the memory that described electronic module is provided with control module and is connected with described control module, described electronic module is also provided with the piezoelectric signal analog circuit being electrically connected with described detection contact;
It is characterized in that:
Described piezoelectric signal analog circuit has electric capacity and transformer, and the primary coil of described transformer is connected with described Capacitance parallel connection, and secondary coil and the switching device of described transformer are connected in series, and the control end of described switching device is connected with described control module;
When described switching device cut-off, the signal oscillating frequency of described piezoelectric signal analog circuit output during lower than described switching device conducting described in the frequency of oscillation of signal of piezoelectric signal analog circuit output, when described switching device cut-off, described piezoelectric signal analog circuit is for simulating the oscillator signal of sufficient ink state lower piezoelectric sensor, when described switching device conducting, described piezoelectric signal analog circuit is for simulating the oscillator signal of ink cartridge low state lower piezoelectric sensor.
5. print cartridge according to claim 4, is characterized in that:
Described switching device is triode or FET.
6. according to the print cartridge described in claim 4 or 5, it is characterized in that:
Described secondary coil is also connected in series with a resistance.
7. the method for work of ink box chip, described ink box chip has substrate, the electronic module that described substrate is provided with communication unit and is electrically connected with described communication unit, described communication unit comprises that two are detected contact, the memory that described electronic module is provided with control module and is connected with described control module, described electronic module is also provided with the piezoelectric signal analog circuit being electrically connected with described detection contact;
It is characterized in that:
Described piezoelectric signal analog circuit has electric capacity and transformer, and the primary coil of described transformer is connected with described Capacitance parallel connection, and secondary coil and the switching device of described transformer are connected in series, and the control end of described switching device is connected with described control module;
When described switching device cut-off, the signal oscillating frequency of described piezoelectric signal analog circuit output during lower than described switching device conducting described in the frequency of oscillation of signal of piezoelectric signal analog circuit output, when described switching device cut-off, described piezoelectric signal analog circuit is for simulating the oscillator signal of sufficient ink state lower piezoelectric sensor, when described switching device conducting, described piezoelectric signal analog circuit is for simulating the oscillator signal of ink cartridge low state lower piezoelectric sensor;
The method comprises
Described memory receives the ink surplus data that ink-jet printer writes, described controller judges that whether the described ink surplus data that write are lower than threshold value, if lower than described threshold value, to described switching device output Continuity signal, otherwise, to described switching device output pick-off signal.
8. the method for work of ink box chip according to claim 7, is characterized in that:
Described switching device is triode or FET.
9. according to the method for work of the ink box chip described in claim 7 or 8, it is characterized in that:
Described secondary coil is also connected in series with a resistance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210019448.9A CN102529401B (en) | 2012-01-20 | 2012-01-20 | Ink box chip and operating method thereof as well as ink box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210019448.9A CN102529401B (en) | 2012-01-20 | 2012-01-20 | Ink box chip and operating method thereof as well as ink box |
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| CN102529401A CN102529401A (en) | 2012-07-04 |
| CN102529401B true CN102529401B (en) | 2014-08-13 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103085495B (en) * | 2013-02-26 | 2015-01-14 | 珠海天威技术开发有限公司 | Ink box chip, light emitting display method thereof and ink box |
| CN110202940A (en) | 2019-05-06 | 2019-09-06 | 珠海艾派克微电子有限公司 | Printing consumables, print cartridge and control method |
| CN111196089A (en) * | 2020-01-17 | 2020-05-26 | 杭州旗捷科技有限公司 | Printing consumable chip, printer consumable and printer protection method |
| CN111391511B (en) * | 2020-05-15 | 2021-08-31 | 珠海艾派克微电子有限公司 | Consumable chip and consumable |
| CN111591040B (en) * | 2020-06-02 | 2021-07-06 | 珠海艾派克微电子有限公司 | Consumable chip, imaging box, printing system and signal transmission method |
| CN112406318B (en) * | 2020-11-24 | 2023-07-21 | 武汉先同科技有限公司 | Ink quantity detection device and method based on inductance technology and ink-jet printer |
| CN113568290B (en) * | 2021-07-02 | 2023-12-01 | 珠海天威技术开发有限公司 | Sequence number switching control circuit, consumable chip, consumable container and printing equipment |
| CN114701260B (en) * | 2022-03-15 | 2023-08-01 | 天津七所精密机电技术有限公司 | Ink residue recording device applied to ink-jet printer |
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