CN101585262A - Device, system and method for testing ink box - Google Patents
Device, system and method for testing ink box Download PDFInfo
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- CN101585262A CN101585262A CNA2008100982391A CN200810098239A CN101585262A CN 101585262 A CN101585262 A CN 101585262A CN A2008100982391 A CNA2008100982391 A CN A2008100982391A CN 200810098239 A CN200810098239 A CN 200810098239A CN 101585262 A CN101585262 A CN 101585262A
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- print cartridge
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Abstract
The invention relates to a method for testing an ink box, which is used for testing the quality of an ink box module, wherein the ink box module is provided with a plurality of nozzle units. The method for testing the ink box comprises the following steps: firstly, providing a preset voltage range; then, testing whether the voltage value of each nozzle unit is in the preset voltage range or not; and finally, judging the quality of the ink box module according to the testing result.
Description
Technical field
The present invention relates to a kind of test macro and method thereof, refer to a kind of print cartridge test macro and method thereof especially.
Background technology
General ink-jet printer has the underframe that can load print cartridge, and the print cartridge front end has a plurality of nozzles, and the end of nozzle has thin film resistance.When computer is assigned the instruction of printing, can make ink form a bubble at transient heating to high temperature during electric current process film resistor, by the pressure of bubble, and ink is extruded.
Nozzle on the print cartridge belongs to running stores, after long-time use a period of time, just must change, to guarantee that normally ink-jet makes print quality unaffected.And except considering nozzle the service life under normal the use, print cartridge is placed in the air a period of time and is not used in using the back, and nozzle surface is also easily because ink is dry and produce lump, and then causes shower nozzle can to block black situation.
Yet, the service life of nozzle can be according to employed liquid component, material, pressure in the print cartridge, even operate time of this print cartridge and different, therefore be difficult to judge the user mode of present nozzle, and then can't grasp the best and eliminate the opportunity of changing nozzle from outward appearance.
In order to learn the state of nozzle, whether present user can utilize the mode of printing test page or leaf to detect nozzle can normally go out China ink.Yet above-mentioned action not only expends time in, and also has the defective of resources such as waste paper, ink.
Summary of the invention
Because whether print cartridge can normally go out China ink, depends on whether the resistance on the nozzle can operate heating smoothly, if resistance value is unusual, then may cause the situation that can't print.In view of this, after the present invention was set forth in the voltage of detecting nozzle, whether the voltage of distinguishing this nozzle by a comparator chip was in a preset range, and with the internal resistance value of determining this nozzle normally whether, the phase is the state quality of test nozzles fast.
The object of the present invention is to provide a kind of print cartridge testing arrangement, print cartridge test macro and method thereof, in order to do the quality that can test print cartridge fast.
Another object of the present invention is to provide a kind of print cartridge testing arrangement, print cartridge test macro and method thereof, in order to do the accuracy that can improve the test print cartridge.
Another purpose of the present invention is to provide a kind of print cartridge testing arrangement, print cartridge test macro and method thereof, in order to do the cost that can reduce the test print cartridge.
The present invention discloses a kind of print cartridge testing arrangement, and it is in order to test a print cartridge module, and wherein this print cartridge module has a plurality of nozzle units.This print cartridge testing arrangement includes a detecting voltage module and a control module.The detecting voltage module is coupled to nozzle unit, in order to the magnitude of voltage of detecting nozzle unit whether in a predeterminated voltage scope; Control module is coupled between print cartridge module and the detecting voltage module, controls signal to the print cartridge module in order to send one, with the tested nozzle unit of decision desire; And the quality of judging nozzle unit according to the result of the magnitude of voltage of detecting nozzle unit.
In a specific embodiment of the present invention, the detecting voltage module includes a power supply unit and at least one comparator.Power supply unit system provides one first reference voltage and one second reference voltage, this first reference voltage upper limit that is the predeterminated voltage scope wherein, and the lower limit that this second reference voltage is the predeterminated voltage scope; Comparator is coupled to power supply unit, comes to compare with the magnitude of voltage of nozzle unit in order to receive first reference voltage and second reference voltage.
In a specific embodiment of the present invention, each this nozzle unit includes at least one MOS switch, and its suspension control signal is controlled and opened or closed.Wherein, after the MOS switch receives control signal, make the circuit turn-on of nozzle unit, and voltage to the comparator of transmission nozzle unit compares.
The present invention discloses a kind of print cartridge test macro again, and it is in order to the quality of test print cartridge.This print cartridge test macro includes a print cartridge module and a print cartridge testing arrangement.The print cartridge module has a plurality of nozzle units.The print cartridge testing arrangement is coupled to this print cartridge module, includes a detecting voltage module and a control module.The detecting voltage module is coupled to nozzle unit, in order to the magnitude of voltage of detecting nozzle unit whether in a predeterminated voltage scope; Control module is coupled between print cartridge module and the detecting voltage module, controls signal to the print cartridge module in order to send one, with the tested nozzle unit of decision desire; And the quality of judging nozzle unit according to the result of the magnitude of voltage of detecting nozzle unit.
The present invention discloses a kind of method of testing of print cartridge in addition, and in order to test the quality of a print cartridge module, wherein this print cartridge module has a plurality of nozzle units.The step of the method for testing of described print cartridge provides a predeterminated voltage scope at first; Subsequently, whether the magnitude of voltage of test nozzles unit drops in the predeterminated voltage scope; At last, judge the quality of print cartridge module according to above-mentioned test result.
By the aforementioned techniques scheme, the present invention can learn the internal resistance value of nozzle from the magnitude of voltage on the nozzle, and then allows the use situation of the test print cartridge that the user can be accurately and fast.
Above general introduction and ensuing detailed description and accompanying drawing all are to reach mode, means and the effect that predetermined purpose is taked in order to further specify the present invention.And relevant other purpose of the present invention and advantage will be set forth in follow-up explanation and accompanying drawing.Right appended diagram only provides reference and explanation usefulness, is not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the system architecture schematic diagram of a specific embodiment of disclosed print cartridge test macro;
Fig. 2 is the circuit diagram of a specific embodiment of disclosed print cartridge test macro; And
Fig. 3 is the flow chart of steps of a specific embodiment of the method for testing of disclosed print cartridge.
[main element description of reference numerals]
Print cartridge test macro 1
Print cartridge module 11
Print cartridge testing arrangement 13
Detecting voltage module 131
The first reference voltage V1
The second reference voltage V2
External voltage+HV
MOS switch Q1, Q2
Resistance R 2, R3
Each steps flow chart S301～S311
The specific embodiment
Resistance value on the nozzle can be used as the reference index of nozzle quality, therefore, print cartridge testing arrangement proposed by the invention, print cartridge test macro and method thereof are to distinguish that by a comparator chip voltage of the nozzle on the print cartridge is whether in a preset range, with the internal resistance value of determining this nozzle normally whether, and then allow the user can test print cartridge quickly and accurately.
Major technique of the present invention is characterised in that system and the method thereof that a print cartridge is tested, below necessary system architecture and action thereof are just only proposed, yet, the one of ordinary skilled in the art should know, except following mentioned member, certainly therefore the necessary element that comprises other in the print cartridge, should not exceed with the present embodiment revealer.
At first, see also Fig. 1, this figure is the system architecture schematic diagram of a specific embodiment of disclosed print cartridge test macro.As shown in Figure 1, print cartridge test macro 1 includes a print cartridge module 11 and a print cartridge testing arrangement 13.Print cartridge module 11 has a plurality of nozzle units 111.Print cartridge testing arrangement 13 is coupled to print cartridge module 11, in order to the state quality of test ink cartridge module 11.Specifically, print cartridge module 11 and print cartridge testing arrangement 13 can be coupled mutually each other to carry out test job.
Print cartridge testing arrangement 13 includes a detecting voltage module 131, a control module 133 and a display unit 135.Detecting voltage module 131 is coupled to nozzle unit 111, in order to the magnitude of voltage of detecting nozzle unit 111 whether in a predeterminated voltage scope, with the resistance value of guaranteeing each nozzle unit 111 in normal scope.
For asking the detailed operation mechanism of more understanding the print cartridge test macro, please in the lump with reference to figure 2, this figure is the circuit diagram of a specific embodiment of disclosed print cartridge test macro.As shown in Figure 2, detecting voltage module 131 includes a power supply unit 1311 and a comparator 1313.Power supply unit 1311 provides one first reference voltage V1 and one second reference voltage V2, and wherein the first reference voltage V1 is the upper limit of predeterminated voltage scope, and the second reference voltage V2 is the lower limit of predeterminated voltage scope.Comparator 1313 is coupled to power supply unit 1311, comes to compare with the magnitude of voltage of nozzle unit 111 in order to receive the first reference voltage V1 and the second reference voltage V2.
In a specific embodiment of the present invention, control module 133 is sent a control signal in proper order to nozzle unit 111, enables in regular turn all nozzle units 111 to be detected action.For asking convenient explanation, only to test a nozzle unit 111 for example, each nozzle unit 111 can couple one external voltage+HV to present embodiment, and its inside has a bleeder circuit, comprises two MOS switch Q1, Q2 on the bleeder circuit.Specifically, the MOS switch is the one of C type MOS transistor (CMOS), N type MOS transistor (NMOS), H type MOS transistor (HMOS), D type MOS transistor (DMOS) or V-type MOS transistor (VMOS).Control module 133 is by sending the nozzle unit 111 that control signal decides institute's desire test, and after nozzle unit received control signal, MOS switch Q1, Q2 opened and the conducting bleeder circuit, thereby the voltage on the circuit is delivered to comparator 1313.Comparator 1313 compares with the first reference voltage V1 and the second reference voltage V2 respectively with the voltage that is about on the nozzle unit 111, whether the boundary is between above-mentioned reference voltage with the magnitude of voltage on the circuit for detecting, and then guarantees that resistance R 2, R3 on the nozzle unit 111 is in the normal range (NR) that can operate.
In another specific embodiment of the present invention, the comparator 1313 identical with the quantity of nozzle unit 111 is provided in the detecting voltage module 131, wherein comparator 1313 is corresponding one by one with nozzle unit 111.Control module 133 can transmit control signal simultaneously and give all nozzle units 111, tests so that the magnitude of voltage of nozzle unit 111 can be delivered to pairing comparator 1313 simultaneously, and then saves the testing time.
At last, please refer to Fig. 3, this figure is the flow chart of steps of a specific embodiment of the method for testing of disclosed print cartridge.Wherein Xiang Guan system architecture is please in the lump with reference to figure 1, Fig. 2.As shown in Figure 3, the method for testing of described print cartridge includes the following step:
At first, drive the resistance 13 of print cartridge test mould to test the print cartridge program by a user, control module 133 is sent a control signal (step S301) to first nozzle unit 111 immediately, and then makes MOS switch Q1, the Q2 conducting of present nozzle unit 111;
Then, the magnitude of voltage on the detecting voltage module 133 detecting nozzle units 111, and utilize comparator 1313 that itself and the first reference voltage V1 and the second reference voltage V2 are compared (step S303); Whether the boundary is between the first reference voltage V1 and the second reference voltage V2 to judge the voltage of nozzle unit 111 subsequently, to fall into (step S305) in the predeterminated voltage scope;
If step S305 is judged as not, resistance R 2 on the nozzle unit 111 of i.e. expression test at present, R3 be not in normal range (NR), therefore control module 133 control display units 135 show error message, to inform this nozzle unit 111 of user damage situation (step S307) are arranged; Then, control module 133 is judged whether all nozzle units 111 in the print cartridge module 11 have all been tested and is finished (step S311); If also have not nozzle after tested, then continue to skip to step S301 and down carry out, so that remaining nozzle unit 111 is carried out above-mentioned test action, all test till one time up to all nozzle units 111;
Otherwise, if being judged as of step S305 is, resistance R 2 on the nozzle unit 111 of i.e. expression test at present, R3 are all in normal range (NR), so control module 133 control display units 135 show correct informations, do not damage situation (step S309) to inform this nozzle unit 111 of user; At last, control module 133 is judged whether all nozzle units 111 in the print cartridge module 11 have all been tested and is finished (step S311); If not, then continue to skip to step S301 and down carry out,, all test till one time up to all nozzle units 111 so that remaining nozzle unit 111 is carried out above-mentioned test action.
Every test one nozzle unit 111 of above-mentioned steps promptly shows the state quality of this nozzle unit 111, all tests till one time up to all nozzle units; Also can be designed to just show after all nozzle unit 111 tests are finished the state of nozzle unit 111, therefore should not exceed with the present embodiment revealer.
Describe in detail by above example, when knowing print cartridge testing arrangement of the present invention, print cartridge test macro and method thereof, be according to the voltage on the nozzle judge on the nozzle resistance value normally whether, and then learn whether nozzle has the damage situation, see through above-mentioned technological means, utilize resistance value to judge whether to go out China ink smoothly for reference index, the user need not expend time in, paper, ink come the printing test page or leaf, also can learn the user mode of nozzle easily, fast, accurately, eliminate the time of changing nozzle correctly grasping.
But; the above; only be the detailed description and the accompanying drawing of specific embodiments of the invention; be not in order to restriction the present invention; all scopes of the present invention should be as the criterion with claim, any those of ordinary skill in the field of the invention can think easily and variation or modify all can be encompassed in the scope of patent protection that following this case defines.
Claims (10)
1. a print cartridge testing arrangement is characterized in that wherein this print cartridge module has a plurality of nozzle units in order to test a print cartridge module, and this print cartridge testing arrangement includes:
One detecting voltage module is coupled to those nozzle units, in order to the magnitude of voltage of detecting this nozzle unit whether in a predeterminated voltage scope; And
One control module is coupled between this print cartridge module and this detecting voltage module, controls signal to this print cartridge module in order to send one, with this tested nozzle unit of decision desire; And the quality of judging this nozzle unit according to the result of the magnitude of voltage of detecting this nozzle unit.
2. print cartridge testing arrangement as claimed in claim 1 is characterized in that this detecting voltage module includes:
One power supply unit provides one first reference voltage and one second reference voltage, this first reference voltage upper limit that is this predeterminated voltage scope wherein, and the lower limit that this second reference voltage is this predeterminated voltage scope; And
At least one comparator is coupled to this power supply unit, comes to compare with the magnitude of voltage of this nozzle unit in order to receive this first reference voltage and this second reference voltage.
3. print cartridge testing arrangement as claimed in claim 2 is characterized in that each this nozzle unit includes:
At least one MOS switch, it is controlled by this control signal to open or close;
Wherein, after this MOS switch receives this control signal, make the circuit turn-on of this nozzle unit, and voltage to this comparator that transmits this nozzle unit compares.
4. print cartridge test macro is characterized in that including in order to the quality of test print cartridge:
One print cartridge module, it has a plurality of nozzle units; And
One print cartridge testing arrangement, it is coupled to this print cartridge module, includes:
One detecting voltage module is coupled to those nozzle units, in order to the magnitude of voltage of detecting this nozzle unit whether in a predeterminated voltage scope; And
One control module is coupled between this print cartridge module and this detecting voltage module, controls signal to this print cartridge module in order to send one, with this tested nozzle unit of decision desire; And the quality of judging this nozzle unit according to the result of the magnitude of voltage of detecting this nozzle unit.
5. print cartridge test macro as claimed in claim 4 is characterized in that this detecting voltage module includes:
One power supply unit provides one first reference voltage and one second reference voltage, this first reference voltage upper limit that is this predeterminated voltage scope wherein, and the lower limit that this second reference voltage is this predeterminated voltage scope; And
At least one comparator is coupled to this power supply unit, comes to compare with the magnitude of voltage of this nozzle unit in order to receive this first reference voltage and this second reference voltage.
6. print cartridge test macro as claimed in claim 5 is characterized in that each this nozzle unit includes:
At least one MOS switch, it is controlled by this control signal to open or close;
Wherein, after this MOS switch receives this control signal, make the circuit turn-on of this nozzle unit, and voltage to this comparator that transmits this nozzle unit compares.
7. print cartridge test macro as claimed in claim 5 is characterized in that the quantity of this nozzle unit is identical with the quantity of this comparator.
8. the method for testing of a print cartridge is characterized in that wherein this print cartridge module has a plurality of nozzle units in order to test the quality of a print cartridge module, and this method comprises the following steps:
One predeterminated voltage scope is provided;
Whether the magnitude of voltage of testing this nozzle unit drops in this predeterminated voltage scope; And
Judge the quality of this print cartridge module according to above-mentioned test result.
9. the method for testing of print cartridge as claimed in claim 8, it is characterized in that providing in the step of this predeterminated voltage scope, one first reference voltage and one second reference voltage are provided, this first reference voltage upper limit that is this predeterminated voltage scope wherein, and the lower limit that this second reference voltage is this predeterminated voltage scope.
10. the method for testing of print cartridge as claimed in claim 9, the magnitude of voltage step that it is characterized in that testing this nozzle unit compares the magnitude of voltage of this nozzle unit respectively with this first reference voltage and this second reference voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100982391A CN101585262A (en) | 2008-05-23 | 2008-05-23 | Device, system and method for testing ink box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100982391A CN101585262A (en) | 2008-05-23 | 2008-05-23 | Device, system and method for testing ink box |
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| Publication Number | Publication Date |
|---|---|
| CN101585262A true CN101585262A (en) | 2009-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100982391A Pending CN101585262A (en) | 2008-05-23 | 2008-05-23 | Device, system and method for testing ink box |
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| CN (1) | CN101585262A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427218A (en) * | 2015-08-11 | 2017-02-22 | 精工爱普生株式会社 | Liquid discharge apparatus |
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2008
- 2008-05-23 CN CNA2008100982391A patent/CN101585262A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427218A (en) * | 2015-08-11 | 2017-02-22 | 精工爱普生株式会社 | Liquid discharge apparatus |
| CN106427218B (en) * | 2015-08-11 | 2019-10-15 | 精工爱普生株式会社 | Liquid ejection apparatus |
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Open date: 20091125 |