CN115489211B - Negative pressure ink supply method, device, system and storage medium - Google Patents
Negative pressure ink supply method, device, system and storage medium Download PDFInfo
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- CN115489211B CN115489211B CN202110682022.0A CN202110682022A CN115489211B CN 115489211 B CN115489211 B CN 115489211B CN 202110682022 A CN202110682022 A CN 202110682022A CN 115489211 B CN115489211 B CN 115489211B
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000000976 ink Substances 0.000 claims description 733
- 239000007788 liquid Substances 0.000 claims description 29
- 230000007812 deficiency Effects 0.000 claims description 16
- 239000003086 colorant Substances 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 abstract description 18
- 239000007921 spray Substances 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007641 inkjet printing Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17506—Refilling of the cartridge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/46—Applications of alarms, e.g. responsive to approach of end of line
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- Ink Jet (AREA)
Abstract
The invention discloses a negative pressure ink supply method, a device, a system and a storage medium, and relates to the technical field of ink-jet printing. According to the method, the ink filling priority is set for different secondary ink boxes, and the ink filling is sequentially carried out on the plurality of secondary ink boxes lacking in ink according to the ink filling priority, so that the problem that the negative pressure change is too large to cause the leakage of the spray head when the negative pressure ink supply system fills the ink to the plurality of secondary ink boxes simultaneously in the prior art is solved, the stable state of the negative pressure value is ensured when the negative pressure ink supply system fills the ink to the secondary ink boxes, the ink outlet stability of the spray head is ensured, and the good printing effect is ensured.
Description
Technical Field
The present invention relates to the field of inkjet printing technologies, and in particular, to a negative pressure ink supply method, device, system, and storage medium.
Background
In an inkjet printer, an ink supply system is used to supply ink to a nozzle, and at present, a negative pressure ink supply system is widely used, and the negative pressure ink supply system provides a negative pressure value for the ink to counteract the gravity applied to the ink, so that the ink is prevented from freely dripping, and in the printing process, the ink can be in a relatively balanced state in the nozzle. Fig. 1 is a schematic diagram of a negative pressure ink supply system. The ink pump inputs the ink in the main ink box into the secondary ink box through the ink inlet pipe; the upper end of the spray head is provided with an ink inlet and an ink overflow port, and an ink outlet pipe of the secondary ink box is connected with the ink inlet at the upper end of the spray head. Because the ink cavity and the nozzle in the internal structure of the spray head are in a normally-open state, and the ink cavity is communicated with an external ink path, the ink in the ink cavity can automatically flow out of the nozzle under the condition of no negative pressure, and therefore, negative pressure is applied to the ink in the secondary ink box to prevent liquid leakage. For a negative pressure ink supply system, a stable and constant negative pressure value is important, a negative pressure value is generally set in the system, and when the negative pressure value of the system is larger than the set negative pressure value, an air pump (not shown) exhausts air from a negative pressure air cylinder to reduce the negative pressure of the system; when the negative pressure value of the system is smaller than the set negative pressure value, the air pump pumps air to the negative pressure air cylinder to improve the negative pressure of the system.
Typically, the negative pressure ink supply system includes multiple color ink paths. In the printing process, the negative pressure ink supply system determines the ink quantity in the ink box according to the ink level meter arranged in each secondary ink box, when the measured ink level of the secondary ink box with certain color is lower than the set minimum level value, the negative pressure ink supply system can generate an ink shortage alarm signal of the secondary ink box, and then the negative pressure ink supply system can start the ink pump on the corresponding ink path to charge the ink of the secondary ink box with certain color according to the alarm signal. Under the general condition that consumption speeds of different inks are different, the generation time of the ink shortage alarm signals generated by the two-stage ink boxes with different colors is different, however, the condition that the ink shortage alarm signals are sent out by a plurality of the two-stage ink boxes at the same time or in the same time period exists in the printing process, at the moment, if the ink pumps on the corresponding ink paths are started simultaneously, the air pump of the negative pressure control system cannot be used for pumping out extruded air due to the fact that the ink quantity of the ink paths with different colors is too much, and therefore the negative pressure in the two-stage ink boxes is too large, the phenomenon that the negative pressure is too small and the ink leaks from the spray heads is caused, the stability of the ink outlet of the spray heads is affected, and the printing effect is further affected.
Disclosure of Invention
In view of this, the embodiments of the present invention provide a negative pressure ink supply method, device, system and storage medium, so as to solve the problem in the prior art that when a negative pressure ink supply system fills ink into a plurality of secondary ink cartridges at the same time, the negative pressure changes too much, resulting in leakage of the nozzle.
In a first aspect, an embodiment of the present invention provides a negative pressure ink supply method, applied to a negative pressure ink supply system, where the negative pressure ink supply system includes a plurality of secondary ink cartridges filled with different inks, and when the secondary ink cartridges lack ink, a corresponding ink lack alarm signal is sent out, and the method includes:
setting the ink filling priority of the secondary ink box;
and filling ink into all the secondary ink boxes which send out ink shortage alarm signals in preset time according to the ink filling priority.
Preferably, the setting of the ink filling priority of the secondary ink cartridge includes:
obtaining ink output data of a print job;
obtaining estimated consumption of each color of ink according to the ink output data;
and setting the ink filling priority of the secondary ink box according to the estimated consumption.
Preferably, the acquiring the ink output data of the print job includes:
acquiring an image to be printed in a print job;
and carrying out RIP processing on the image to be printed to obtain dot matrix image data of each color channel, wherein the dot matrix image data consists of ink outlet data, and the ink outlet data represents the ink outlet quantity of the nozzle.
Preferably, the ink filling of all the secondary ink boxes which send out the ink shortage alarm signal in the preset time according to the ink filling priority comprises the following steps:
when only one secondary ink box sends out an ink shortage alarm signal within preset time, filling ink to the corresponding secondary ink box;
when more than two secondary ink boxes send out ink shortage alarm signals within preset time, the corresponding secondary ink boxes are sequentially filled with ink according to the ink filling priority.
Preferably, when more than two secondary ink boxes send out the ink shortage alarm signal in the preset time, sequentially filling ink to the corresponding secondary ink boxes according to the ink filling priority comprises:
comparing the ink filling priority of all the secondary ink boxes sending out the ink shortage alarm signals;
filling ink into the secondary ink box with the highest ink filling priority, and stopping filling ink until the ink liquid surface value is more than or equal to the preset highest liquid level value;
filling ink into the secondary ink box with the next ink filling priority level until the ink liquid surface value is more than or equal to a preset highest liquid level value, and stopping filling ink;
and the analogy is performed until the ink filling is completed for all the secondary ink boxes which send out the ink shortage alarm signals.
Preferably, the method further comprises: before all the secondary ink boxes which send out the ink shortage alarm signals in the preset time are filled according to the ink filling priority, judging whether the negative pressure ink supply system has ink filling operation currently, if so, waiting for the current ink filling operation to be completed, and then filling ink to the secondary ink boxes which send out the ink shortage alarm signals.
Preferably, the method further comprises:
and after the ink filling of all the secondary ink boxes which send out the ink deficiency alarm signals is finished, sequentially filling ink to the secondary ink boxes which do not send out the ink deficiency alarm signals according to the ink filling priority.
In a second aspect, embodiments of the present invention provide a negative pressure ink supply apparatus, the apparatus comprising:
the ink filling priority setting module is used for setting the ink filling priority of the secondary ink box;
and the ink filling module is used for filling ink to all the secondary ink boxes which send out ink shortage alarm signals in preset time according to the ink filling priority.
In a third aspect, embodiments of the present invention provide a negative pressure ink supply system, comprising:
a plurality of secondary ink boxes filled with different inks, and,
the negative pressure ink supply device according to the second aspect.
In a fourth aspect, embodiments of the present invention provide a printer that uses a negative pressure ink supply system as described in the third aspect to supply ink.
In summary, the beneficial effects of the invention are as follows:
according to the negative pressure ink supply method, device and system and printer provided by the embodiment of the invention, through setting the ink filling priority for different secondary ink boxes and sequentially filling ink for a plurality of ink-lacking secondary ink boxes according to the ink filling priority, the problem that the negative pressure change is overlarge to cause the leakage of the spray head when the negative pressure ink supply system fills ink for a plurality of secondary ink boxes simultaneously in the prior art is solved, the stable state of the negative pressure value when the negative pressure ink supply system fills ink for the secondary ink boxes is ensured, the stability of ink outlet of the spray head is ensured, and the good printing effect is ensured.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described, and it is within the scope of the present invention to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a negative pressure ink supply system according to the background of the invention.
Fig. 2 is a schematic flow chart of a negative pressure ink supply method in an embodiment of the invention.
Fig. 3 is a schematic flow chart of step S2 in fig. 2.
Fig. 4 is a schematic flow chart of step S22 in fig. 3.
Fig. 5 is a schematic view of a negative pressure ink supply device according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a negative pressure ink supply system according to an embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Example 1
The embodiment of the invention provides a negative pressure ink supply method which is suitable for a negative pressure ink supply system, wherein the negative pressure ink supply system comprises a plurality of secondary ink boxes filled with inks with different colors, the secondary ink boxes supply ink to a spray head through an ink path in the negative pressure ink supply system, when the ink deficiency in any secondary ink box is detected, a corresponding ink deficiency alarm signal is sent out, wherein whether the secondary ink box is deficient or not can be detected through a liquid level sensor arranged in the secondary ink box, when the liquid level of the secondary ink box is detected to be at a preset minimum liquid level, the ink deficiency is considered, and the corresponding ink deficiency alarm signal is sent out at the moment.
Referring to fig. 2, the method specifically includes the following steps:
s1: setting the ink filling priority of the secondary ink box;
s2: and filling ink into all the secondary ink boxes which send out ink shortage alarm signals in preset time according to the ink filling priority.
Specifically, firstly, the ink filling priority of filling ink to the secondary ink boxes with different colors is set, and the function of the ink filling priority is that the secondary ink boxes can be sequentially filled according to the ink filling priority, so that the problem that negative pressure change is large due to simultaneous ink filling to a plurality of secondary ink boxes is avoided. When the printing equipment continuously consumes ink during printing, and when the ink level value in the secondary ink box is detected to be smaller than or equal to the preset minimum level value, an ink shortage alarm signal is sent out. The preset minimum liquid level value may be set according to practical applications, and is not limited herein. In general, the consumption speed of the ink of different colors is different, the generation time of the ink-lack alarm signals of the two-stage ink boxes of different colors is different, and if each ink-lack alarm signal is longer in interval time, the ink filling of the corresponding two-stage ink box can be started according to the generated ink-lack alarm signals. However, in the printing process, there are cases where a plurality of secondary ink cartridges generate an ink-shortage warning signal at the same time or in a certain short time, and at this time, it is necessary to charge all the secondary ink cartridges that are short of ink according to the set ink-charging priority. Therefore, a time range is preset, and all the secondary ink boxes which send out the ink shortage alarm signals are filled with ink in the preset time according to the ink filling priority.
The ink filling priority of the secondary ink box can be set according to the consumption of different color ink by the printing task. In one embodiment, the ink filling priority of the secondary ink cartridge is set by acquiring ink output data of a print job to calculate the consumption of different color inks. The method specifically comprises the following steps:
obtaining ink output data of a print job;
obtaining estimated ink consumption of different colors of ink according to the ink output data;
and setting the ink filling priority of the secondary ink box according to the estimated ink consumption of the inks with different colors.
After the images to be printed in the print task are subjected to RIP processing, dot matrix image data of each color channel is generated, the dot matrix image data is a two-dimensional matrix, and the dot matrix image data consists of a plurality of ink outlet data and represents the ink outlet quantity of the corresponding nozzles. For example, a large amount of ink (e.g., 100%) is ejected by the corresponding nozzle with the out-ink data 11, a medium amount of ink (e.g., 50%) is ejected by the corresponding nozzle with the out-ink data 10, a small amount of ink (e.g., 25%) is ejected by the corresponding nozzle with the out-ink data 01, and no ink ejection is performed by the corresponding nozzle with the out-ink data 00. The printing system sets the picoliter of the ejected ink corresponding to the large ink quantity, the medium ink quantity and the small ink quantity, for example, the ink output data is the large ink quantity, and 10 picoliters of ink is ejected during printing; the ink output data is the medium ink quantity, 7 picoliters of ink is sprayed during printing, the ink output data is the small ink quantity, and 5 picoliters of ink is sprayed during printing. Therefore, according to the dot matrix image data of each color channel, the ink output of each color ink can be counted, and the counted ink output is recorded as the estimated consumption.
After the estimated consumption of each color ink is obtained, the ink filling priority of the corresponding secondary ink box can be set according to the estimated consumption of each color ink. For example, the ink filling priority of the secondary ink cartridge of the color ink whose estimated consumption is largest is set to be highest, and the ink filling priority of the secondary ink cartridge of the color ink whose estimated consumption is smallest is set to be lowest.
In one embodiment, the ink filling priority of the secondary ink cartridge is set by estimating the amount of ink consumption of each color based on observing color information of an image to be printed in a print job. Illustratively, the negative pressure ink supply system of the printer includes a negative pressure ink supply system including four color secondary ink tanks of cyan (C), magenta (M), yellow (Y) and black (K), and the ink filling priority of the black (K) secondary ink tank may be set to be the first ink filling priority by estimating the fastest consumption of black (K) ink, cyan (C) ink is next, magenta (M) ink is next, and yellow (Y) ink is the slowest consumed ink according to the image to be printed; setting the ink filling priority of the cyan (C) secondary ink box as a second ink filling priority; setting the ink filling priority of the magenta (M) secondary ink box as a third ink filling priority; and setting the ink filling priority of the yellow (Y) secondary ink box as the fourth ink filling priority, so as to ensure that the ink which is consumed fastest can be optimally replenished. For another example, the negative pressure ink supply system of the printer includes a negative pressure ink supply system including five color secondary ink tanks of cyan (C), magenta (M), yellow (Y), and black (K) and white (W), and the black (K) ink consumes fastest, the white (W) ink is inferior, the cyan (C) ink is inferior, the magenta (M) ink is inferior, and the yellow (Y) ink is the ink that consumes slowest, and then the ink filling priority of the black (K) secondary ink tank may be set to the first ink filling priority; setting the ink filling priority of the white secondary ink box as a second ink filling priority; setting the ink filling priority of the cyan secondary ink box as a third ink filling priority; setting the ink filling priority of the magenta secondary ink box as a fourth ink filling priority; and setting the ink filling priority of the yellow secondary ink box as the fifth ink filling priority, so as to ensure that the ink which is consumed fastest can be supplemented most preferentially.
After the ink filling priority of each secondary ink box is set, the secondary ink box which sends out the ink shortage alarm signal is filled with ink according to the ink filling priority. Preferably, referring to fig. 3, the step S2 includes:
s21: when only one secondary ink box sends out an ink shortage alarm signal within preset time, filling ink to the corresponding secondary ink box;
s22: when more than two secondary ink boxes send out ink shortage alarm signals within preset time, the corresponding secondary ink boxes are sequentially filled with ink according to the ink filling priority.
Specifically, when only one secondary ink box sends out the ink shortage alarm signal in the preset time, the ink is directly filled into the secondary ink boxes which send out the ink shortage alarm signal, and when more than two ink shortage alarm signals are obtained in the preset time, the ink is sequentially filled into all the secondary ink boxes which send out the ink shortage alarm signal according to the ink filling priority. The value of the preset time may be determined according to practical applications, and in one embodiment, the preset time is determined according to the ink filling capacity and the ink flow rate (i.e., the ink filling time) when the secondary ink cartridge is filled with ink, where the preset time value may be set to a shorter time when the ink filling capacity is smaller and the ink flow rate is faster, and the preset time value may be set to a longer time when the ink filling capacity is larger and the ink flow rate is slower. The following may occur if the preset time setting is too short: when only one ink deficiency alarm signal is obtained, a new ink deficiency alarm signal appears quickly when the ink deficiency secondary ink box is filled with ink, and at the moment, the negative pressure ink supply system can fill ink for the ink deficiency secondary ink box which sends out the ink deficiency alarm signal, so that the negative pressure in the ink deficiency secondary ink box is influenced.
Preferably, referring to fig. 4, the step S22 specifically includes the following steps:
s221: comparing the ink filling priority of all the secondary ink boxes sending out the ink shortage alarm signals;
s222: filling ink into the secondary ink box with the highest ink filling priority, and stopping filling ink until the ink liquid surface value is more than or equal to the preset highest liquid level value;
s223: filling ink into the secondary ink box with the next ink filling priority level until the ink liquid surface value is more than or equal to a preset highest liquid level value, and stopping filling ink;
s224: and the analogy is performed until the ink filling is completed for all the secondary ink boxes which send out the ink shortage alarm signals.
In another embodiment, when more than two secondary ink cartridges send out the ink shortage alarm signal within the preset time, the ink charging of the corresponding secondary ink cartridges according to the ink charging priority may also be performed according to the following steps:
comparing the ink filling priority of all the secondary ink boxes sending out the ink shortage alarm signals; filling ink into the secondary ink box with the highest ink filling priority, filling ink into the secondary ink box for a period of time, and filling ink into the secondary ink box with the next ink filling priority after the negative pressure in the secondary ink box reaches a stable state; filling ink for a period of time, and filling ink to the secondary ink box with the next ink filling priority after the negative pressure in the secondary ink box reaches a stable state; and the analogy is performed until the ink filling is completed for all the secondary ink boxes which send out the ink shortage alarm signals. Therefore, after the ink filling of the secondary ink box with the previous ink filling priority is completed, the ink filling of the secondary ink box with the next ink filling priority is not needed, but the ink filling of the next secondary ink box can be started after the negative pressure in the secondary ink box with the previous ink filling priority reaches a stable state, so that the whole ink filling time is saved, and the ink filling efficiency is improved.
In one embodiment, before all the secondary ink boxes which send out the ink shortage alarm signals in the preset time are filled according to the ink filling priority, judging whether the negative pressure ink supply system has ink filling operation currently, if so, waiting for the completion of the current ink filling operation, and filling the secondary ink boxes which send out the ink shortage alarm signals, thereby avoiding influencing the negative pressure state of the secondary ink boxes which are currently filled, and ensuring that the internal negative pressure of each secondary ink box is in a stable state when each secondary ink box is filled.
In one embodiment, after the ink filling of all the secondary ink boxes which send out the ink shortage alarm signals is finished, the ink filling of the secondary ink boxes which do not send out the ink shortage alarm signals is sequentially carried out according to the set ink filling priority, so that the ink quantity of all the secondary ink boxes can be kept in a sufficient state, and the frequent generation of the ink shortage alarm signals is avoided.
In summary, according to the negative pressure ink supply method provided by the embodiment of the invention, by setting the ink filling priority for different secondary ink boxes and sequentially filling ink for a plurality of ink-lacking secondary ink boxes according to the ink filling priority, the problem that the negative pressure change is too large to cause the leakage of the spray head when the negative pressure ink supply system fills ink for a plurality of secondary ink boxes simultaneously in the prior art is solved, and the stable state of the negative pressure value when the negative pressure ink supply system fills ink for the secondary ink boxes is ensured, the stability of ink outlet of the spray head is ensured, and the good printing effect is ensured.
Example two
Referring to fig. 5, an embodiment of the present invention provides a negative pressure ink supply apparatus 200, the apparatus 200 includes:
an ink filling priority setting module 201 for setting an ink filling priority of the secondary ink cartridge;
the ink filling module 202 is configured to fill all the secondary ink cartridges that send out the ink shortage alarm signal in a preset time according to the ink filling priority.
Preferably, the ink filling priority setting module 201 further includes:
an ink output data acquisition unit for acquiring ink output data of a print job;
the estimating unit is used for obtaining estimated consumption of each color of ink according to the ink output data;
and the setting unit is used for setting the ink filling priority of the secondary ink box according to the estimated consumption.
Preferably, the ink filling module 202 further comprises:
the single-ink box ink filling unit is used for filling ink into the corresponding secondary ink box when only one secondary ink box sends out an ink shortage alarm signal within preset time;
and the multi-ink box ink filling unit is used for sequentially filling ink to the corresponding secondary ink boxes according to the ink filling priority when more than two secondary ink boxes send out ink shortage alarm signals within preset time.
Preferably, the multi-cartridge ink filling unit further includes:
the comparison unit is used for comparing the ink filling priority of all the secondary ink boxes which send out the ink shortage alarm signals;
the first ink filling unit is used for filling ink into the secondary ink box with the highest ink filling priority, and stopping filling ink until the ink liquid surface value is more than or equal to the preset highest liquid level value;
the second ink filling unit is used for filling ink to the secondary ink box with the next ink filling priority level until the ink liquid surface value is more than or equal to a preset highest liquid level value, and stopping filling ink;
and the analoging unit is used for analoging in sequence until the ink filling of all the secondary ink boxes which send out the ink shortage alarm signals is completed.
In summary, according to the negative pressure ink supply device provided by the embodiment of the invention, by setting the ink filling priority for different secondary ink boxes and sequentially filling ink for a plurality of ink-lacking secondary ink boxes according to the ink filling priority, the problem that the negative pressure change is too large to cause the leakage of the spray head when the negative pressure ink supply system fills ink for a plurality of secondary ink boxes simultaneously in the prior art is solved, and the stable state of the negative pressure value of the negative pressure ink supply system during the ink filling of the secondary ink boxes is ensured, the stability of ink outlet of the spray head is ensured, and the good printing effect is ensured.
Example III
As shown in fig. 6, an embodiment of the present invention provides a negative pressure ink supply system 300.
Wherein the negative pressure ink supply system 300 comprises at least:
a secondary ink cartridge unit 301, wherein the secondary ink cartridge unit includes a plurality of secondary ink cartridges containing different inks, and,
the negative pressure ink supply apparatus 200 according to the second embodiment.
Wherein the negative pressure ink supply device 200 includes:
an ink filling priority setting module 201 for setting an ink filling priority of the secondary ink cartridge;
the ink filling module 202 is configured to fill all the secondary ink cartridges that send out the ink shortage alarm signal in a preset time according to the ink filling priority.
Preferably, the ink filling priority setting module 201 further includes:
an ink output data acquisition unit for acquiring ink output data of a print job;
the estimating unit is used for obtaining estimated consumption of each color of ink according to the ink output data;
and the setting unit is used for setting the ink filling priority of the secondary ink box according to the estimated consumption.
Preferably, the ink filling module 202 further comprises:
the single-ink box ink filling unit is used for filling ink into the corresponding secondary ink box when only one secondary ink box sends out an ink shortage alarm signal within preset time;
and the multi-ink box ink filling unit is used for sequentially filling ink to the corresponding secondary ink boxes according to the ink filling priority when more than two secondary ink boxes send out ink shortage alarm signals within preset time.
Preferably, the multi-cartridge ink filling unit further includes:
the comparison unit is used for comparing the ink filling priority of all the secondary ink boxes which send out the ink shortage alarm signals;
the first ink filling unit is used for filling ink into the secondary ink box with the highest ink filling priority, and stopping filling ink until the ink liquid surface value is more than or equal to the preset highest liquid level value;
the second ink filling unit is used for filling ink to the secondary ink box with the next ink filling priority level until the ink liquid surface value is more than or equal to a preset highest liquid level value, and stopping filling ink;
and the analoging unit is used for analoging in sequence until the ink filling of all the secondary ink boxes which send out the ink shortage alarm signals is completed.
In summary, according to the negative pressure ink supply method and system provided by the embodiment of the invention, by setting the ink filling priority for different secondary ink boxes and sequentially filling ink for a plurality of ink-lacking secondary ink boxes according to the ink filling priority, the problem that the negative pressure change is too large to cause the leakage of the spray head when the negative pressure ink supply system fills ink for a plurality of secondary ink boxes simultaneously in the prior art is solved, and the stable state of the negative pressure value of the negative pressure ink supply system during the ink filling of the secondary ink boxes is ensured, the stability of ink outlet of the spray head is ensured, and the good printing effect is ensured.
Example IV
In addition, the embodiment of the invention provides a printer which adopts the negative pressure ink supply system for supplying ink.
In summary, according to the negative pressure ink supply method, device and system and printer provided by the embodiments of the present invention, by setting the ink filling priority for different secondary ink cartridges and sequentially filling ink for a plurality of ink-deficient secondary ink cartridges according to the ink filling priority, the problem that in the prior art, when the negative pressure ink supply system fills ink for a plurality of secondary ink cartridges simultaneously, the negative pressure change is too large, resulting in the leakage of the nozzle is solved, which is helpful for ensuring the stable state of the negative pressure value when the negative pressure ink supply system fills ink for the secondary ink cartridges, ensuring the stability of ink outlet of the nozzle and ensuring good printing effect.
It should be understood that the invention is not limited to the particular arrangements and instrumentality described above and shown in the drawings. For the sake of brevity, a detailed description of known methods is omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and shown, and those skilled in the art can make various changes, modifications and additions, or change the order between steps, after appreciating the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented in hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, a plug-in, a function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine readable medium or transmitted over transmission media or communication links by a data signal carried in a carrier wave. A "machine-readable medium" may include any medium that can store or transfer information. Examples of machine-readable media include electronic circuitry, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and the like. The code segments may be downloaded via computer networks such as the internet, intranets, etc.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
Claims (5)
1. A negative pressure ink supply method applied to a negative pressure ink supply system, wherein the negative pressure ink supply system comprises a plurality of secondary ink boxes filled with inks with different colors, and corresponding ink shortage alarm signals are sent out when the secondary ink boxes are in ink shortage, and the method is characterized by comprising the following steps:
setting the ink filling priority of the secondary ink cartridge, comprising: obtaining ink output data of a print job; obtaining estimated consumption of each color of ink according to the ink output data; setting the ink filling priority of the secondary ink box according to the estimated consumption;
according to the ink filling priority, filling ink to all the secondary ink boxes which send out ink shortage alarm signals in preset time, wherein the ink filling method comprises the following steps: when only one secondary ink box sends out an ink shortage alarm signal within preset time, filling ink to the corresponding secondary ink box; when more than two secondary ink boxes send out ink shortage alarm signals within preset time, the corresponding secondary ink boxes are sequentially filled with ink according to the ink filling priority, and the ink filling method comprises the following steps: comparing the ink filling priority of all the secondary ink boxes sending out the ink shortage alarm signals; filling ink into the secondary ink box with the highest ink filling priority, and stopping filling ink until the ink liquid surface value is more than or equal to the preset highest liquid level value; filling ink into the secondary ink box with the next ink filling priority level until the ink liquid surface value is more than or equal to a preset highest liquid level value, and stopping filling ink; and analogically, until the ink filling is completed for all the secondary ink boxes which send out the ink shortage alarm signals;
the method further comprises the steps of: before all the secondary ink boxes which send out the ink shortage alarm signals in the preset time are filled according to the ink filling priority, judging whether the negative pressure ink supply system has ink filling operation currently, if so, waiting for the completion of the current ink filling operation, and then filling ink to the secondary ink boxes which send out the ink shortage alarm signals; after the ink filling of all the secondary ink boxes which send out the ink deficiency alarm signals is finished, sequentially filling ink to the secondary ink boxes which do not send out the ink deficiency alarm signals according to the ink filling priority;
and determining the preset time according to the ink filling capacity and the ink flow rate when the secondary ink box is filled with ink.
2. The negative pressure ink supply method according to claim 1, wherein the acquiring the ink output data of the print job includes:
acquiring an image to be printed in a print job;
and carrying out RIP processing on the image to be printed to obtain dot matrix image data of each color channel, wherein the dot matrix image data consists of ink outlet data, and the ink outlet data represents the ink outlet quantity of the nozzle.
3. A negative pressure ink supply apparatus for use in a negative pressure ink supply system, the apparatus comprising:
an ink filling priority setting module for setting an ink filling priority of a secondary ink cartridge, comprising: obtaining ink output data of a print job; obtaining estimated consumption of each color of ink according to the ink output data; setting the ink filling priority of the secondary ink box according to the estimated consumption;
the ink filling module is used for filling ink to all the secondary ink boxes which send out ink shortage alarm signals in preset time according to the ink filling priority, wherein the preset time is determined according to the ink filling capacity and the ink flow rate when the secondary ink boxes are filled with ink, and the ink filling module comprises: when only one secondary ink box sends out an ink shortage alarm signal within preset time, filling ink to the corresponding secondary ink box; when more than two secondary ink boxes send out ink shortage alarm signals within preset time, the corresponding secondary ink boxes are sequentially filled with ink according to the ink filling priority, and the ink filling method comprises the following steps: comparing the ink filling priority of all the secondary ink boxes sending out the ink shortage alarm signals; filling ink into the secondary ink box with the highest ink filling priority, and stopping filling ink until the ink liquid surface value is more than or equal to the preset highest liquid level value; filling ink into the secondary ink box with the next ink filling priority level until the ink liquid surface value is more than or equal to a preset highest liquid level value, and stopping filling ink; and analogically, until the ink filling is completed for all the secondary ink boxes which send out the ink shortage alarm signals;
the ink filling module further includes: before all the secondary ink boxes which send out the ink shortage alarm signals in the preset time are filled according to the ink filling priority, judging whether the negative pressure ink supply system has ink filling operation currently, if so, waiting for the completion of the current ink filling operation, and then filling ink to the secondary ink boxes which send out the ink shortage alarm signals; and after the ink filling of all the secondary ink boxes which send out the ink deficiency alarm signals is finished, sequentially filling ink to the secondary ink boxes which do not send out the ink deficiency alarm signals according to the ink filling priority.
4. A negative pressure ink supply system, the system comprising at least:
a plurality of secondary ink boxes filled with inks with different colors; the method comprises the steps of,
a negative pressure ink supply as claimed in claim 3.
5. A printer that supplies ink using the negative pressure ink supply system according to claim 4.
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