CN1192888C - Ink jet output control method - Google Patents
Ink jet output control method Download PDFInfo
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- CN1192888C CN1192888C CNB001331868A CN00133186A CN1192888C CN 1192888 C CN1192888 C CN 1192888C CN B001331868 A CNB001331868 A CN B001331868A CN 00133186 A CN00133186 A CN 00133186A CN 1192888 C CN1192888 C CN 1192888C
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Abstract
The present invention relates to an ink jet output control method which comprises the following steps: a plurality of clock setting values between two adjacent ink dots in each step are set in various speed modes of a stepper motor, wherein the clock setting values are not completely identical, and then, the clock setting values are stored in a storage unit; the interval time for sending out ink jet signals is determined by an ink jet head according to the clock setting values; when the ink jet head receives ink jet control signals, according to the obtained interval time for sending out ink jet signals, the ink dots are respectively dispersed on a recording medium in a point inserting mode of unevenly divided time. Thus, the distribution of the ink dots can be increased to achieve the effect of evenly inserting points, and the printing analyzing degree is improved.
Description
Technical field
The present invention relates to a kind of ink jet output control method, and particularly relevant for a kind of control method of using the ink-jet output equipment of stepper motor.
Background technology
In the ink-jet output equipment of printer, facsimile machine and multifunctional paper feeding machine etc., the most frequently used motor of its image positioning control is nothing more than being stepper motor and servo motor, because the price of servo motor is higher, the ink-jet output equipment of low order machine uses stepper motor to originate toward the driving of covering motion as balladeur train (carriage) mostly, stepper motor is to adopt to open the loop control system design, in order to the movement velocity of control balladeur train printing, its characteristics be low price, control easily, do not have time error during running.Since ink gun be frame on balladeur train, when stepper motor drives balladeur train, can make ink gun thereupon the purpose of doing to reach printing toward covering motion.
Stepper motor mainly can be divided into two-phase, three-phase, four reaches five mutually and equates several versions, its type of drive comprises that full stepping (full-step) drives, half stepping (half-step) drives and modes such as (micro-step) driving are advanced in micro-stepping, wherein short, the dynamic inertia of acceleration and deceleration time that advances to drive with micro-stepping is lower, so motor machinery resolution is also higher.Yet, generally be used in the ink-jet output device in order to drive the stepper motor of balladeur train, advance type of drive even use micro-stepping, its mechanism's resolution is still not enough, in order to improve the printing resolution, in each step (step), can insert action a little, distribute to increase ink dot.
With reference to Fig. 1, it illustrates is stepper motor velocity of rotation-time relation figure.As shown in Figure 1, with macroscopic view, motor begins to carry out constant angular 102 motion from static, then carries out constant speed with constant angular velocity 104 motions and prints, and waits angular deceleration 106 motions and recovery inactive state at last.In low speed, the time interval in each step is longer, and at a high speed, the time interval in each step is shorter, as the time interval Δ t in the 2nd step 108
2Time interval Δ t greater than the n step 110
n
With microcosmic, the actual excitatory running speed 112 of motor in each step process that is acceleration and deceleration, that is maximum angular acceleration 114 is arranged in excitatory moment, after maximum angular rate 116, carry out the process of angular deceleration, before excitatory generation next time, arrive minimum angular speed 118.Be real uniform motion also,, can not reach real even point and the good printing effect inserted if in each step of motor, adopt the slotting point mode of identical five equilibrium time owing to the speed of balladeur train is uncontrollable.
Summary of the invention
In view of this, purpose of the present invention is exactly in that a kind of ink-jet output method is provided, and at the velocity variations of each motor, in each step of motor, carries out the not slotting some ink-jetting style of five equilibrium time, to reach the even distribution of ink dot.
For reaching above-mentioned purpose of the present invention, a kind of ink jet output control method is proposed, in order to control the printing of an ink-jet output equipment, the print quality of control ink-jet output equipment, wherein this ink-jet output equipment comprises that an ink gun, a balladeur train are in order to accept this ink gun and in order to drive the stepper motor of this balladeur train, it can be driven by multiple velocity mode, and in the same step, this ink gun can spray a plurality of ink droplets at this stepper motor; This ink jet output control method comprises: (a) set and store this stepper motor under each those velocity mode, a plurality of clock setting values in each step between adjacent two ink dots are in a memory cell, and those clock values are incomplete same; (b) this ink gun decides the blanking time of sending ink jet signal according to those clock setting values; And (c) when this ink gun receives an ink-jet control signal, scatter those ink dots respectively on a recording medium; It is characterized in that, in step (a), comprise: interleave a little when (a1) in each step that this stepper motor rotates, carrying out five equilibrium, produce a plurality of different distance ink dots at interval that have; (a2) observe each this ink dot spacing; (a3) clock value between adjacent two ink dots of adjustment obtains corresponding a plurality of incomplete same clock value, makes that the distance between adjacent two ink dots is equal approximately; Reach and (a4) write down those clock values.
At first, set stepper motor under various velocity modes, several clock setting values in each step between adjacent two ink dots, and be stored in the memory cell, those clock setting values are also incomplete same; Then, ink gun decides the blanking time of sending ink jet signal according to those clock setting values; When ink gun receives the ink-jet control signal, scatter ink dot respectively on recording medium in five equilibrium time mode not.
The clock setting method of above-mentioned control ink-jet output comprises methods such as experiment correction and theoretical derivation.Wherein, experiment correction method comprises: interleave a little when carrying out five equilibrium earlier in each step that stepper motor rotates, produce several different distance ink dot at interval, and after each ink dot spacing of observation, adjust the clock value between adjacent two ink dots, obtain several incomplete same clock values, make that the distance between adjacent two ink dots is equal approximately; Note the clock value between those ink dots at last, as the data that are stored in memory cell in advance.
In addition, the clock setting method of above-mentioned control ink-jet output also comprises theoretical derivation.Its mode is, interleave a little when in each step that stepper motor rotates, carrying out five equilibrium earlier, produce several different distance ink dot at interval, and after each ink dot spacing of observation, by the clock value between adjacent two ink dots of simple calculating, make that the distance of ink dot is equal approximately at interval, then obtain several incomplete same clock values, as the data that are stored in memory cell in advance.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Fig. 1 is stepper motor velocity of rotation-time relation figure.
Fig. 2 is the calcspar according to the ink-jet output control device of a preferred embodiment of the present invention.
Fig. 3 is the flow chart according to the clock setting method of the control ink-jet output of a preferred embodiment of the present invention.
The specific embodiment
With reference to Fig. 2, it is the calcspar according to the ink-jet output control device 214 of a preferred embodiment of the present invention.As shown in Figure 2, ink-jet output control device 214 is the print qualities in order to control ink-jet output equipment, and wherein ink-jet output equipment is to be driven and the balladeur train of controlling 210 by stepper motor 206; This ink-jet output control device 214 comprises: memory cell 200, oscillator 202, control module 204 and ink gun 208.Oscillator 202 is that the mode with crystal oscillation produces pulse, and export a clock signal clk to control module 204, this oscillator 202 is the device of a selectivity (optional), itself and not exclusive clock signal clk are originated, can also other CLOCK provide clock signal clk, as long as can reach the function of timing.Control module 204 is received from the clock signal clk that oscillator 202 transmits, and read and be stored in the memory cell 200 the clock setting value between adjacent two ink dots in each step, wherein, clock setting value in each step between adjacent two ink dots also not exclusively equates, then, transmit ink-jet and control signal to ink gun 208.When stepper motor 206 bogies have the balladeur train 210 of ink gun 208, ink gun 208 is back and forth movement along with balladeur train 210, ink gun 208 scatters ink dot respectively on recording medium 212 according to the clock value that sets, and the ink dot on the recording medium 212 is to present equidistant even distribution.
With reference to Fig. 3, its be among Fig. 2 the ink-jet output control device in order to the flow chart of clock setting method of control ink-jet output.Clock setting method herein is to be example with the experiment correction method, and certainly, it is not defined as experiment correction method, also can utilize methods such as theoretical derivation.Constant speed zone with stepper motor 206 is an example, supposes that the motor mechanism resolution is/2.54 centimetres of 75 steps, i.e. in stepper motor one step of 206 revolutions, balladeur train 210 advances 0.034 centimetre.If the magnet excitation frequency of motor in the constant speed zone is when being 1250Hz, that is make a move every 800 μ s, then the speed that moves of ink gun is (0.034 centimetre)/(800 μ s)=42.33 centimetres/s.
At first, after beginning step 300, shown in step 302, insert a little in the mode in the five equilibrium time interval earlier, as reference pulse, then oscillator 202 has vibrated 8000 times in each step as if the oscillator 202 that uses a 10MHz; Be set at 600dpi when printing resolution, then each step will be printed (600 point/2.54 centimetre)/(/ 2.54 centimetres of 75 steps)=8 point/steps.Therefore, oscillator 202 every vibrations 1000 times, ink gun 208 will spray 1 ink dot, therefore, interleaves a little when carrying out five equilibrium, and each step produces 8 different distance ink dot at interval.
Then, shown in step 304, utilize the distance between each ink dot of microscopic, with microcosmic, in the middle of each step, middle speed is all fast than the speed of front and back both sides, therefore, the slotting point mode of branch times such as employing, middle ink dot spacing usually all can be bigger than the ink dot spacing of front and back both sides.Afterwards, shown in step 306, adjust the clock value between adjacent two ink dots, clock count value in the middle of getting is little than the count value of both sides, front and back, that is the time interval of middle ink dot is little than the both sides, front and back, can be by simple mathematical calculation or the mode of drawing a diagram, by the distance of two adjacent ink dots, counter several incomplete same clock values that push away or estimate correspondence make each ink dot apart from equal approximately at interval.
Shown in step 308, according to the tentative equidistant point of inserting of above-mentioned 8 incomplete same clock values deriving.Then, shown in step 310, observe and judge through adjusted ink dot spacing whether equate,, then directly enter step 312 if the ink dot spacing is equal; If ink dot not exclusively equates at interval, then get back to step 306, adjust the clock value between ink dot again, up to obtaining making the equally distributed corresponding clock value of ink dot.
When the ink dot spacing that is sprayed equates; promptly represent the balladeur train that is driven when this kind stepper motor 206 under the speed of 42.33 centimetres/s; adopting anti-8 the different clock values releasing of institute is that n1, n2, n3, n4, n5, n6, n7, n8 insert a little in regular turn; can obtain the ink dot of 8 equidistant intervals; wherein n4, n5＜n1, n8; the ink dot that is distributed in two ends end to end is apart from (n1 at interval; n8) usually can be greater than the ink dot of centre apart from (n4 at interval; n5); that is to say; in the same step of stepper motor, ink dot is apart from also incomplete same at interval.Therefore in step 312, note the clock value between each ink dot,, provide control module 204 to control the time interval that ink gun 208 scatters out ink dot as the data that are stored in memory cell 200 in advance.Enter end step 314 at last.
Stepper motor 206 to any kind of, no matter be acceleration region, constant speed zone or the zone of slowing down, can obtain the TID of adjacent two ink droplets via above-mentioned experiment method or theoretical methods such as derivation in stepper motor 206 runnings, ink droplet is presented more evenly distribute, improve print quality.
The disclosed a kind of ink jet output control method of the above embodiment of the present invention, be used on the ink-jet output equipment that drives by stepper motor, via methods such as experiment method or theoretical derivations, can be at the characteristic and the velocity variations of each motor, carry out the not slotting point mode of five equilibrium time, increase the effect that ink dot distributes and reaches at evenly slotting, improve and print resolution.The problem of the motor mechanism resolution deficiency of low order ink-jet output equipment in the solution, the print quality of lifting printer, facsimile machine and multifunctional paper feeding machine etc.
In sum; though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention should be with being as the criterion that the claim scope is defined.
Claims (16)
1. ink jet output control method, in order to control the printing of an ink-jet output equipment, wherein this ink-jet output equipment comprises that an ink gun, a balladeur train are in order to accept this ink gun and in order to drive the stepper motor of this balladeur train, it can be driven by multiple velocity mode, in the same step, this ink gun can spray a plurality of ink droplets at this stepper motor; This ink jet output control method comprises:
(a) set and store this stepper motor under each those velocity mode, a plurality of clock setting values in each step between adjacent two ink dots are in a memory cell, and those clock values are incomplete same;
(b) this ink gun decides the blanking time of sending ink jet signal according to those clock setting values;
And
(c) when this ink gun receives an ink-jet control signal, scatter those ink dots respectively on a recording medium;
It is characterized in that, in step (a), comprise:
Interleave a little when (a1) in each step that this stepper motor rotates, carrying out five equilibrium, produce a plurality of different distance ink dots at interval that have;
(a2) observe each this ink dot spacing;
(a3) clock value between adjacent two ink dots of adjustment obtains corresponding a plurality of incomplete same clock value, makes that the distance between adjacent two ink dots equates; And
(a4) write down those clock values.
2. ink jet output control method as claimed in claim 1, wherein step (a3) comprising:
(a31) clock value between adjacent two ink dots of adjustment;
(a32) insert a little according to those clock values; And
(a33) judge through adjusted ink dot spacing whether equate, wherein when the ink dot spacing not exclusively equates, then get back to step (a31), up to obtaining to make the ink dot spacing equate equally distributed corresponding clock value.
3 ink jet output control methods as claimed in claim 2, wherein in step (a31), adjust the method for the clock value between these adjacent two ink dots, can be by mathematics calculation or the mode of drawing a diagram, by the distance of two adjacent ink dots, instead push away or estimate that each ink dot of sening as an envoy to is apart from the clock value that equates at interval.
4. ink jet output control method as claimed in claim 1 wherein in step (a1), carries out the slotting point mode of five equilibrium time, and in the same step of this stepper motor, the ink dot spacing of both sides is big before and after the middle ink dot gap ratio.
5. ink jet output control method as claimed in claim 1, wherein in step (a4), in the same step of this stepper motor, this clock value between middle adjacent two ink dots is little than this clock value between adjacent two ink dots in both sides, front and back.
6. ink jet output control method as claimed in claim 1, wherein this ink-jet output equipment is a printer, a facsimile machine or a multifunctional paper feeding machine.
7. ink jet output control method as claimed in claim 1, wherein this stepper motor is two-phase, three-phase, four phase or five phases.
8. ink jet output control method as claimed in claim 1, wherein the type of drive of this stepper motor comprises that full stepper drive, half stepper drive or micro-stepping advance to drive.
9. ink jet output control method as claimed in claim 1, wherein those velocity modes of having of this stepper motor comprise aero mode.
10. ink jet output control method as claimed in claim 1, wherein those velocity modes of having of this stepper motor comprise deceleration mode.
11. ink jet output control method, in order to control the printing of an ink-jet output equipment, wherein this ink-jet output equipment comprises that an ink gun, a balladeur train are in order to accept this ink gun and in order to drive the stepper motor of this balladeur train, it can be driven by multiple velocity mode, in the same step, this ink gun can spray a plurality of ink droplets at this stepper motor; This ink jet output control method comprises:
Set this stepper motor time interval between each adjacent two ink dot in each step, obtain a plurality of time set values, those time set values are incomplete same;
Interleave a little when in each step that this stepper motor rotates, carrying out five equilibrium, make those ink dots have a plurality of different distance ink dot spacing at interval;
Observe each this ink dot spacing;
Adjust this time set value between these adjacent two ink dots, whether judgement equates through adjusted this ink dot spacing, wherein when those ink dot spacings not exclusively equate, then continue to adjust this time set value between adjacent two ink dots, equate up to those ink dot spacings, so obtain those corresponding time set values; And this ink gun scatters those ink dots respectively on a recording medium according to those time set values.
12. ink jet output control method as claimed in claim 11, wherein those time set values can be got by a theoretical method, and this theoretical method comprises:
Interleave a little when in each step that this stepper motor rotates, carrying out five equilibrium, make those ink dots have a plurality of different distance ink dot spacing at interval;
Write down each this ink dot spacing; And
Calculate this time set value between these adjacent two ink dots, whether this ink dot spacing after the judgement as calculated equates, so obtain this corresponding time set value.
13. ink jet output control method as claimed in claim 11, wherein this stepper motor each the step in, those time set values of mid portion, littler than those time set values of front and back two side portions.
14. ink jet output control method as claimed in claim 13 if wherein only spray two ink dots in each step of this stepper motor, then has only two time intervals, these two time intervals are unequal.
15. ink jet output control method as claimed in claim 11, wherein one of this stepper motor step was a step that belongs to acceleration mode.
16. ink jet output control method as claimed in claim 11, wherein one of this stepper motor step was a step that belongs to deceleration regime.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001331868A CN1192888C (en) | 2000-10-24 | 2000-10-24 | Ink jet output control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001331868A CN1192888C (en) | 2000-10-24 | 2000-10-24 | Ink jet output control method |
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| CN1349892A CN1349892A (en) | 2002-05-22 |
| CN1192888C true CN1192888C (en) | 2005-03-16 |
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| CNB001331868A Expired - Fee Related CN1192888C (en) | 2000-10-24 | 2000-10-24 | Ink jet output control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354456B (en) * | 2006-08-04 | 2012-02-29 | 富士胶片株式会社 | Method for manufacturing color filter |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638283A (en) * | 2011-02-15 | 2012-08-15 | 研能科技股份有限公司 | Data bidirectional input and output device with wireless communication function and wireless transmission output method for data bidirectional input and output device |
| CN104070853B (en) * | 2014-05-26 | 2016-02-03 | 北京石油化工学院 | The word car control method of wide cut code ink jet printing machine |
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- 2000-10-24 CN CNB001331868A patent/CN1192888C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354456B (en) * | 2006-08-04 | 2012-02-29 | 富士胶片株式会社 | Method for manufacturing color filter |
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| CN1349892A (en) | 2002-05-22 |
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