Inkjet printer ink pressure control method, device, control panel and printer

Abstract

The present invention discloses an inkjet printer ink pressure control method, device, control panel, and printer, and relates to the field of inkjet printing technology. The method obtains an ink pressure signal in a standby state to determine whether the inkjet printer is performing a flash spray cleaning operation; if the inkjet printer is performing a flash spray cleaning operation, the flash spray cleaning operation is stopped and the standby flash spray function is turned off, and then an ink pressure operation is performed; it is determined whether a new ink pressure signal is obtained; if a new ink pressure signal is obtained, the ink pressure operation is performed again until no new ink pressure signal is obtained; then the flash spray cleaning operation is resumed and the standby flash spray function is turned on, thereby avoiding damage to the nozzle caused by the inkjet printer performing a flash spray cleaning operation while performing an ink pressure operation, and achieving a better ink pressure cleaning effect.

Description

Technical Field

[0001] The present invention relates to the technical field of inkjet printing, and in particular to an inkjet printer ink pressure control method, device, control panel and printer. Background Art

[0002] Inkjet printers use an ink supply system to supply ink to the nozzles. Currently, negative pressure ink supply systems are widely used. During use, if bubbles enter the ink path of an inkjet printer, they can cause the nozzles to stop discharging ink, potentially leading to disconnection and poor print quality. Prior art techniques typically employ a manually operated ink pressure button to control a positive pressure pump. This pump applies positive pressure to the ink path connecting the nozzles, causing ink to flow from the nozzles and discharging the bubbles. Inkjet printers with a standby flash jet function typically automatically initiate a flash jet cleaning operation when the printer is in standby mode. This involves spraying ink once or multiple times at intervals to keep the nozzles moist and prevent clogging. However, during the flash jet cleaning operation, the printer often ignores whether it is in the flash jet mode, resulting in the flash jet cleaning operation being performed simultaneously with the ink pressure operation. In this case, the ink pressure on the nozzle is relatively high, which not only impairs the ink pressure cleaning effect but can even damage the nozzle. Summary of the Invention

[0003] In view of this, an embodiment of the present invention provides an inkjet printer ink pressure control method, device, control board and printer to solve the technical problem in the prior art that performing ink pressure operation in the standby flash spray state leads to poor ink pressure cleaning effect and damage to the nozzle.

[0004] In a first aspect, an embodiment of the present invention provides an inkjet printer ink pressure control method, the method being applied to an inkjet printer having a standby flash jet function, wherein the standby flash jet function enables the inkjet printer to automatically start a flash jet cleaning operation in a standby state, the method comprising:

[0005] When an ink pressing signal is obtained in the standby state, it is determined whether the inkjet printer is performing a flash jet cleaning operation, wherein the ink pressing signal is used to drive the ink supply system of the inkjet printer to start the ink pressing operation;

[0006] If the inkjet printer is performing a flash jet cleaning operation, the flash jet cleaning operation is stopped and the standby flash jet function is turned off, and then an ink pressing operation is performed;

[0007] Determine whether a new ink pressure signal is obtained;

[0008] If a new ink pressing signal is obtained, the ink pressing operation is performed again until no new ink pressing signal is obtained;

[0009] Resume the flash spray cleaning operation and start the standby flash spray function.

[0010] Preferably, the ink pressure signal is any one of an ink pressure switch signal, an ink path positive pressure sensor signal or a preset signal generated by an inkjet printer control system, wherein the ink pressure switch signal is generated by an ink pressure switch of an inkjet printer ink supply system, the ink path positive pressure sensor signal is generated by a positive pressure sensor of an inkjet printer ink supply system, and the preset signal is used to drive the inkjet printer ink supply system to perform an ink pressure operation.

[0011] Preferably, performing the ink pressing operation includes:

[0012] Control the positive pressure pump in the ink supply system of the inkjet printer to generate positive pressure;

[0013] The positive pressure is applied to the ink path connected to the nozzle, so that the ink flows out from the nozzle of the nozzle.

[0014] Preferably, the method further comprises:

[0015] Detect whether the ink pressure switch in the inkjet printer is continuously triggered;

[0016] If the ink pressing switch is triggered continuously, when the time interval between two adjacent triggering of the ink pressing switch is less than the first preset time, no ink pressing signal is generated when the ink pressing switch is triggered the second time;

[0017] When the time interval between two consecutive triggering of the ink pressing switch is greater than or equal to the first preset time, an ink pressing signal is generated when the ink pressing switch is triggered the latter time.

[0018] Preferably, the method further comprises:

[0019] The number of abnormal nozzles in the inkjet printer nozzle is detected in a standby state. When the number of abnormal nozzles is greater than or equal to a first preset value, the inkjet printer control system generates an ink pressure signal.

[0020] Preferably, the method further comprises:

[0021] The ink pressing power is dynamically adjusted according to the content of dried ink and / or bubbles in the abnormal nozzles.

[0022] Preferably, the method further comprises:

[0023] In a standby state, the bubble content of ink in the ink path of the ink supply system of the inkjet printer is detected. When the bubble content is greater than or equal to a second preset value, the inkjet printer control system generates an ink pressure signal.

[0024] Preferably, the method further comprises: detecting whether the inkjet printer is in a standby state at intervals of a second preset time, and if so, a control system in the inkjet printer generates an ink pressing signal.

[0025] In a second aspect, an embodiment of the present invention provides an inkjet printer ink pressure control device, the device comprising:

[0026] A first judgment module is configured to obtain an ink pressure signal in a standby state and determine whether the inkjet printer is performing a flash jet cleaning operation, wherein the ink pressure signal is used to drive the ink supply system of the inkjet printer to start the ink pressure operation;

[0027] an ink pressing execution module, configured to, if the inkjet printer is performing a flash jet cleaning operation, stop the flash jet cleaning operation and turn off the standby flash jet function, and then perform an ink pressing operation;

[0028] The second judgment module is used to judge whether a new ink pressure signal is obtained;

[0029] A circulation module, configured to execute the ink pressing operation again if a new ink pressing signal is obtained, until no new ink pressing signal is obtained;

[0030] The flash spray recovery module is used to restore the flash spray cleaning operation and start the standby flash spray function.

[0031] In a third aspect, an embodiment of the present invention provides a control board, comprising:

[0032] Main control module, used to control the operation of the inkjet printer;

[0033] The inkjet printer ink pressure control device according to the second aspect, wherein the device comprises:

[0034] A first judgment module is configured to obtain an ink pressure signal in a standby state and determine whether the inkjet printer is performing a flash jet cleaning operation, wherein the ink pressure signal is used to drive the ink supply system of the inkjet printer to start the ink pressure operation;

[0035] an ink pressing execution module, configured to, if the inkjet printer is performing a flash jet cleaning operation, stop the flash jet cleaning operation and turn off the standby flash jet function, and then perform an ink pressing operation;

[0036] The second judgment module is used to judge whether a new ink pressure signal is obtained;

[0037] A circulation module, configured to execute the ink pressing operation again if a new ink pressing signal is obtained, until no new ink pressing signal is obtained;

[0038] The flash spray recovery module is used to restore the flash spray cleaning operation and start the standby flash spray function.

[0039] In a fourth aspect, an embodiment of the present invention provides an inkjet printer ink pressure control device, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory, which, when executed by the processor, implement the method of the first aspect in the above embodiment.

[0040] In a fifth aspect, an embodiment of the present invention provides a storage medium having computer program instructions stored thereon, which implements the method of the first aspect of the above-mentioned embodiment when the computer program instructions are executed by a processor.

[0041] In summary, the beneficial effects of the present invention are as follows:

[0042] The inkjet printer ink pressure control method, device, control panel and printer provided by the embodiments of the present invention stop the flash spray cleaning operation and turn off the standby flash spray function when an ink pressure signal is obtained, until there is no ink pressure operation, and then resume the flash spray cleaning operation and the standby flash spray function, thereby avoiding damage to the nozzle caused by the inkjet printer performing a flash spray cleaning operation while executing the ink pressure operation, and obtaining a better ink pressure cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work, and these are all within the scope of protection of the present invention.

[0044] Figure 1 It is a flow chart of an inkjet printer ink pressure control method according to an embodiment of the present invention.

[0045] Figure 2 2 is a state diagram of a nozzle according to an embodiment of the present invention.

[0046] Figure 3 Schematic diagram of an abnormal nozzle according to an embodiment of the present invention.

[0047] Figure 4 It is a structural schematic diagram of an ink pressure control device for an inkjet printer according to an embodiment of the present invention.

[0048] Figure 5 It is a structural schematic diagram of an ink pressure control panel of an inkjet printer according to an embodiment of the present invention.

[0049] Figure 6 Schematic diagram of the hardware structure of the inkjet printer according to an embodiment of the present invention. DETAILED DESCRIPTION

[0050] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below in conjunction with the accompanying drawings and Examples. It should be understood that the specific embodiments described herein are only configured to explain the present invention and are not configured to limit the present invention. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is merely to provide a better understanding of the present invention by illustrating examples of the present invention.

[0051] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, the elements defined by the phrase "comprising..." do not exclude the presence of other identical elements in the process, method, article, or device comprising the elements.

[0052] Example 1

[0053] The embodiment of the present invention provides an inkjet printer ink pressure control method, which is applicable to inkjet printers with standby flash spray function, including flatbed inkjet printers, UV inkjet printers, digital textile inkjet printers, etc. Figure 1 , the method comprises the following steps:

[0054] S1: When an ink pressure signal is obtained in the standby state, determining whether the inkjet printer is performing a flash jet cleaning operation, wherein the ink pressure signal is used to drive the ink supply system of the inkjet printer to start the ink pressure operation;

[0055] S2: If the inkjet printer is performing a flash jet cleaning operation, the flash jet cleaning operation is stopped and the standby flash jet function is turned off, and then an ink pressing operation is performed;

[0056] S3: Determine whether a new ink pressure signal is obtained;

[0057] S4: If a new ink pressing signal is obtained, the ink pressing operation is performed again until no new ink pressing signal is obtained;

[0058] S5: Resume the flash spray cleaning operation and start the standby flash spray function.

[0059] Specifically, an inkjet printer with a standby flash jet function automatically initiates a flash jet cleaning operation upon entering standby mode. This involves controlling the printhead to spray ink once or multiple times at intervals to ensure nozzle wetting and prevent nozzle clogging. During flash jetting, a piezoelectric crystal within the printhead applies pressure to the ink, causing it to eject from the nozzle. During ink pressurization, a pressure pump in the ink supply system generates pressure, which is applied to the ink, causing it to exit the nozzle. To prevent damage to the printhead due to excessive pressure applied to the printhead, the flash jet cleaning function must be disabled during the ink pressurization operation. The inkjet printer's control system must receive a signal to initiate the ink pressurization operation. Upon receiving this signal, it first determines whether the flash jet cleaning operation is in progress. If it is, it stops the flash jet cleaning operation and disables the standby flash jet function (disabling the standby flash jet function prevents the control system from triggering the standby flash jet cleaning operation again after a period of time during the ink pressurization process). Then, the ink pressurization operation is resumed. If the flash jet cleaning operation is not currently in progress, the automatic flash jet function is first disabled, and then the ink supply system is driven to perform the ink pressurization operation. After the ink pressing operation is completed, the inkjet printer control system obtains again whether there is still an ink pressing signal, that is, multiple ink pressing is required. If so, the inkjet printer ink supply system continues to be driven to perform the ink pressing operation until the ink pressing operation is completed and no ink pressing signal is obtained. Then, the flash spray cleaning operation is restarted and the standby flash spray function is turned on at the same time, allowing the inkjet printer to control the print head to spray ink once or multiple times at intervals to ensure that the nozzle of the print head is moistened.

[0060] The ink pressure signal can be any one of an ink pressure switch signal, an ink path positive pressure sensor signal, or a preset ink pressure signal generated by the inkjet printer control board, wherein the ink pressure switch signal is generated by the ink pressure switch of the inkjet printer ink supply system, and the ink path positive pressure sensor signal is generated by the positive pressure sensor in the inkjet printer ink supply system. When an ink pressure operation is required, the ink pressure switch is triggered, and the switch signal of the ink pressure switch can be sent to the control system as an ink pressure signal. In other embodiments, the ink pressure switch may trigger the ink path positive pressure sensor in the ink supply system to generate an ink pressure signal and send it to the control system. In other embodiments, when it is detected that the ink pressure switch is triggered, a PLC module in the inkjet printer control system generates a preset signal as an ink pressure signal. After obtaining the ink pressure signal, the control system stops the flash spray cleaning operation and turns off the standby flash spray function, and then drives the inkjet printer ink supply system to perform the ink pressure operation.

[0061] In one embodiment, the inkjet printer performs an ink pressing operation including the following steps:

[0062] Control the positive pressure pump in the ink supply system of the inkjet printer to generate positive pressure;

[0063] The positive pressure is applied to the ink path connected to the nozzle, so that the ink is discharged from the nozzle of the nozzle.

[0064] The ink supply system of the inkjet printer in this embodiment is a negative pressure ink supply system. When not in operation, the ink circuit is in a negative pressure state to offset the pressure difference caused by the height difference between the auxiliary ink bottle and the nozzle, thereby preventing ink leakage and overflow; when the ink is under pressure, the positive pressure pump of the negative pressure ink supply system generates positive pressure, so that the ink circuit is in a positive pressure state, thereby pushing the ink to the nozzle position and flowing out from the nozzle; during the printing process, the negative pressure ink supply system is in a negative pressure state and the pressure position is at a fixed value, which helps to ensure the uniformity of ink spraying from the nozzle during printing and improves the printing quality.

[0065] In one embodiment, an ink pressure signal is generated by detecting whether an ink pressure switch in an inkjet printer is triggered. When the ink pressure switch is triggered, the ink pressure switch generates the ink pressure signal. This method is suitable for manual operation scenarios. For example, during a print test, if a short print line is detected, printing is paused and the ink pressure switch is manually triggered to perform the ink pressure operation.

[0066] When multiple ink pressing operations are required, a time interval, designated as a first preset time, is set. If the time interval between two ink pressing switch activations is less than the first preset time, no ink pressing signal is generated when the second ink pressing switch is activated. If the time interval between two ink pressing switch activations is greater than or equal to the first preset time, an ink pressing signal is generated when the second ink pressing switch is activated. This prevents the ink pressing switch from being triggered frequently, resulting in the next ink pressing signal being generated and transmitted to the control system before the previous ink pressing operation is completed. Preferably, the first preset time is equal to the duration of the ink pressing operation. In other embodiments, the first preset time may not be set, and instead each ink pressing signal generated by the ink pressing switch is directly recorded, with the number of ink pressing operations performed based on the number of ink pressing signals. The ink pressing signal generated by the ink pressing switch is input into the inkjet printer control system. After receiving the ink pressing signal, the inkjet printer control system determines whether the inkjet printer is currently performing a flash purge operation. If so, the flash purge operation is interrupted, the standby flash purge function is disabled, and the ink supply system is driven to perform an ink pressing operation.

[0067] In one embodiment, the number of abnormal nozzles in the inkjet printer nozzle is detected in the standby state. When the number of abnormal nozzles is greater than or equal to a first preset value, the inkjet printer control system generates an ink pressure signal. After obtaining the ink pressure signal, the inkjet printer control system determines whether the inkjet printer is performing a flash jet cleaning operation. If so, the flash jet cleaning operation is interrupted and the ink supply system is driven to perform an ink pressure operation. The detection of abnormal nozzles in the nozzle can be determined by printing a nozzle status diagram, such as Figure 2The printhead status diagram shown is a test diagram designed to determine the status of each nozzle in each printhead. The number and location of abnormal nozzles can be determined by detecting the location and number of missing or abnormally printed lines. In addition, the nozzles in the printhead can be directly detected by sensors to obtain the location and number of abnormal nozzles. The specific method used is not specified here. This method does not require manual operation. The control system of the inkjet printer automatically detects the number of abnormal nozzles. When the number of abnormal nozzles is greater than or equal to a first preset value, the inkjet printer control system generates an ink pressure signal. After obtaining this ink pressure signal, it is determined whether the inkjet printer is performing a flash spray cleaning operation. If so, the flash spray cleaning operation is interrupted and the standby flash spray function is turned off, driving the inkjet printer's ink supply system to perform an ink pressure operation.

[0068] In one embodiment, the number of abnormal nozzles in the inkjet printer head is detected in a standby state. When the number of abnormal nozzles is greater than or equal to a first preset value, the inkjet printer control system generates an ink pressing signal. Furthermore, the content of dried ink and / or bubbles in the abnormal nozzles is detected, and the ink pressing power is dynamically adjusted according to the content of dried ink and / or bubbles. Figure 3 As shown, the abnormal nozzle causes ink blockage at the nozzle due to ink drying, etc. The more the ink dries, the greater the pressure that needs to be applied to the ink when unclogging the nozzle. In addition, the ink in the nozzle may also contain bubbles of different sizes. Since the bubbles contain air, they have a certain pressure. The pressure varies with the bubble content. In order to more accurately eliminate bubbles and unblock blocked nozzles, the ink pressing power can be dynamically adjusted according to the content of dried ink and / or bubbles, that is, the pressure applied to the ink can be dynamically adjusted, so as to more effectively unblock the nozzle and eliminate bubbles.

[0069] In one embodiment, the bubble content of the ink in the ink path of the inkjet printer is detected in the standby state. When the bubble content is greater than or equal to a preset value, the inkjet printer control system generates an ink pressure signal. After obtaining the ink pressure signal, the inkjet printer control system determines whether the inkjet printer is performing a flash spray cleaning operation. If so, the flash spray cleaning operation is interrupted, and the ink supply system is driven to perform an ink pressure operation. The detection of the bubble content can be performed by ultrasonic bubble detection technology, which is an existing technology and will not be described in detail here. This method does not require manual operation. The inkjet printer control system automatically detects the bubble content of the ink in the ink path. When the bubble content is greater than or equal to a preset value, the inkjet printer control system generates an ink pressure signal. After obtaining this ink pressure signal, it is determined whether the inkjet printer is performing a flash spray cleaning operation. If so, the flash spray cleaning operation is interrupted and the standby flash spray function is turned off, and the ink supply system is driven to perform an ink pressure operation. In one embodiment, an inkjet printer control system periodically detects whether the inkjet printer is in a standby state. If so, the control system generates an ink pressure signal. Upon receiving this ink pressure signal, the control system determines whether the inkjet printer is currently performing a flash jet cleaning operation. If so, the control system interrupts the flash jet cleaning operation and disables the standby flash jet function, then drives the ink supply system to perform an ink pressure operation. This method also requires no manual operation. The control system drives the ink supply system to perform an ink pressure operation at a predetermined interval, thereby preventing bubbles from accumulating in the ink path when the inkjet printer is in standby for an extended period, thereby preventing the printing effect from being affected.

[0070] In summary, the ink pressure control method for an inkjet printer provided by an embodiment of the present invention stops the flash spray cleaning operation and turns off the standby flash spray function when an ink pressure signal is obtained, and resumes the flash spray cleaning operation and the standby flash spray function when there is no ink pressure operation, thereby avoiding damage to the nozzle caused by the flash spray cleaning operation of the inkjet printer while the ink pressure operation is being performed, and obtaining a better ink pressure cleaning effect. In addition, the ink pressure control method for an inkjet printer provided by an embodiment of the present invention also realizes automatic execution of the ink pressure operation in the standby state, and automatically executes the ink pressure operation when an abnormal number of nozzles in the nozzle is detected or the ink bubble content in the ink path is greater than or equal to a preset value or at a certain interval, thereby avoiding the accumulation of bubbles in the ink path affecting the printing effect when the inkjet printer is on standby for a long time, and improving the printing quality of the inkjet printer when it is working.

[0071] Example 2

[0072] See also Figure 4 The embodiment of the present invention provides an inkjet printer ink pressure control device 10, the device 10 comprising:

[0073] The first judgment module 11 is used to obtain an ink pressure signal in the standby state and determine whether the inkjet printer is performing a flash cleaning operation, wherein the ink pressure signal is used to drive the ink supply system of the inkjet printer to start the ink pressure operation;

[0074] The ink pressing execution module 12 is configured to stop the flash jet cleaning operation and turn off the standby flash jet function if the inkjet printer is performing the flash jet cleaning operation, and then perform the ink pressing operation;

[0075] The second judgment module 13 is used to judge whether a new ink pressure signal is obtained;

[0076] A circulation module 14 is configured to execute the ink pressing operation again if a new ink pressing signal is obtained, until no new ink pressing signal is obtained;

[0077] The flash spray recovery module 15 is used to restore the flash spray cleaning operation and start the standby flash spray function.

[0078] Preferably, the ink pressing execution module 12 further includes:

[0079] A positive pressure generating unit, used to control a positive pressure pump in an ink supply system of an inkjet printer to generate positive pressure;

[0080] The positive pressure applying unit is used to apply the positive pressure to the ink path connected to the nozzle, so that the ink flows out from the nozzle of the nozzle.

[0081] Preferably, the device 10 further comprises:

[0082] The ink pressure switch detection module is used to detect whether the ink pressure switch in the inkjet printer is triggered;

[0083] The first ink pressure signal generating module is used to: if the ink pressure switch is triggered continuously, when the time interval between two adjacent triggering of the ink pressure switch is less than a first preset time, no ink pressure signal is generated when the ink pressure switch is triggered the last time; when the time interval between two adjacent triggering of the ink pressure switch is greater than or equal to the first preset time, an ink pressure signal is generated when the ink pressure switch is triggered the last time.

[0084] Preferably, the device 10 further comprises:

[0085] The second ink pressure signal generating module is used to detect the number of abnormal nozzles in the inkjet printer nozzle in the standby state. When the number of abnormal nozzles is greater than or equal to a first preset value, the inkjet printer control system generates an ink pressure signal.

[0086] Preferably, the device 10 further comprises:

[0087] The third ink pressure signal generating unit is used to detect the bubble content of the ink in the ink path of the ink supply system of the inkjet printer in the standby state. When the bubble content is greater than or equal to a second preset value, the inkjet printer control system generates an ink pressure signal.

[0088] Preferably, the device 10 further comprises:

[0089] The fourth ink pressure signal generating unit is used to detect whether the inkjet printer is in a standby state at intervals of a second preset time. If so, the control system in the inkjet printer generates an ink pressure signal.

[0090] In summary, the ink pressure control device for an inkjet printer provided by an embodiment of the present invention stops the flash jet cleaning operation and turns off the standby flash jet function when an ink pressure signal is obtained, and resumes the flash jet cleaning operation and the standby flash jet function when there is no ink pressure operation, thereby avoiding damage to the nozzle due to the flash jet cleaning operation of the inkjet printer while the ink pressure operation is being performed, thereby achieving a better ink pressure cleaning effect. In addition, the ink pressure control device for an inkjet printer provided by an embodiment of the present invention also realizes automatic execution of the ink pressure operation in the standby state, and automatically executes the ink pressure operation when an abnormal number of nozzles in the nozzle is detected or the ink bubble content in the ink path is greater than or equal to a preset value, or at a certain interval, thereby avoiding the accumulation of bubbles in the ink path affecting the printing effect when the inkjet printer is in standby for a long time, thereby improving the printing quality of the inkjet printer when it is working.

[0091] Example 3

[0092] See also Figure 5 The embodiment of the present invention provides a control board 20, which includes:

[0093] Main control module, used to control the operation of the inkjet printer;

[0094] As described in the second embodiment, the inkjet printer ink pressure control device 10 includes:

[0095] The first judgment module 11 is used to obtain an ink pressure signal in the standby state and determine whether the inkjet printer is performing a flash cleaning operation, wherein the ink pressure signal is used to drive the ink supply system of the inkjet printer to start the ink pressure operation;

[0096] The ink pressing execution module 12 is configured to stop the flash jet cleaning operation and turn off the standby flash jet function if the inkjet printer is performing the flash jet cleaning operation, and then perform the ink pressing operation;

[0097] The second judgment module 13 is used to judge whether a new ink pressure signal is obtained;

[0098] A circulation module 14 is configured to execute the ink pressing operation again if a new ink pressing signal is obtained, until no new ink pressing signal is obtained;

[0099] The flash spray recovery module 15 is used to restore the flash spray cleaning operation and start the standby flash spray function.

[0100] Preferably, the ink pressing execution module 12 further includes:

[0101] A positive pressure generating unit, used to control a positive pressure pump in an ink supply system of an inkjet printer to generate positive pressure;

[0102] The positive pressure applying unit is used to apply the positive pressure to the ink path connected to the nozzle, so that the ink flows out from the nozzle of the nozzle.

[0103] Preferably, the device 10 further comprises:

[0104] The ink pressure switch detection module is used to detect whether the ink pressure switch in the inkjet printer is triggered;

[0105] The first ink pressure signal generating module is used to: if the ink pressure switch is triggered continuously, when the time interval between two adjacent triggering of the ink pressure switch is less than a first preset time, no ink pressure signal is generated when the ink pressure switch is triggered the last time; when the time interval between two adjacent triggering of the ink pressure switch is greater than or equal to the first preset time, an ink pressure signal is generated when the ink pressure switch is triggered the last time.

[0106] Preferably, the device 10 further comprises:

[0107] The second ink pressure signal generating module is used to detect the number of abnormal nozzles in the inkjet printer nozzle in the standby state. When the number of abnormal nozzles is greater than or equal to a first preset value, the inkjet printer control system generates an ink pressure signal.

[0108] Preferably, the device 10 further comprises:

[0109] The third ink pressure signal generating unit is used to detect the bubble content of the ink in the ink path of the ink supply system of the inkjet printer in the standby state. When the bubble content is greater than or equal to a second preset value, the inkjet printer control system generates an ink pressure signal.

[0110] Preferably, the device 10 further comprises:

[0111] The fourth ink pressure signal generating unit is used to detect whether the inkjet printer is in a standby state at intervals of a second preset time. If so, the control system in the inkjet printer generates an ink pressure signal.

[0112] In summary, the inkjet printer ink pressure control board provided by the embodiment of the present invention stops the flash spray cleaning operation and turns off the standby flash spray function when an ink pressure signal is obtained, and resumes the flash spray cleaning operation and the standby flash spray function when there is no ink pressure operation, thereby avoiding damage to the nozzle caused by the flash spray cleaning operation of the inkjet printer while performing the ink pressure operation, and obtaining a better ink pressure cleaning effect. In addition, the inkjet printer ink pressure control board of the embodiment of the present invention also realizes automatic execution of the ink pressure operation in the standby state, and automatically executes the ink pressure operation when it detects an abnormal number of nozzles in the nozzle or the ink bubble content in the ink path is greater than or equal to a preset value or at a certain interval, thereby avoiding the accumulation of bubbles in the ink path affecting the printing effect when the inkjet printer is on standby for a long time, thereby improving the printing quality of the inkjet printer when it is working.

[0113] Example 4

[0114] In addition, the ink pressure control method of the inkjet printer according to the embodiment of the present invention can be implemented by an inkjet printer. Figure 6 A schematic diagram of the hardware structure of an inkjet printer provided in an embodiment of the present invention is shown.

[0115] The inkjet printer may include a processor 301 and a memory 302 storing computer program instructions.

[0116] Specifically, the processor 301 may include a central processing unit (CPU), or an application specific integrated circuit (ASIC), or may be configured as one or more integrated circuits for implementing the embodiments of the present invention.

[0117] Memory 302 may include a large-capacity memory for data or instructions. By way of example, and not limitation, memory 302 may include a hard disk drive (HDD), a floppy disk drive, flash memory, an optical disk, a magneto-optical disk, magnetic tape, or a Universal Serial Bus (USB) drive, or a combination of two or more of these. Where appropriate, memory 302 may include removable or non-removable (or fixed) media. Where appropriate, memory 302 may be internal or external to the data processing device. In certain embodiments, memory 302 is non-volatile solid-state memory. In certain embodiments, memory 302 includes read-only memory (ROM). Where appropriate, the ROM may be mask-programmable ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory, or a combination of two or more of these.

[0118] The processor 301 reads and executes computer program instructions stored in the memory 302 to implement any one of the inkjet printer ink pressure control methods in the above embodiments.

[0119] In one example, the inkjet printer may further include a communication interface 303 and a bus 310. Figure 6 As shown, the processor 301 , the memory 302 , and the communication interface 303 are connected via a bus 310 and communicate with each other.

[0120] The communication interface 303 is mainly used to implement communication between various modules, devices, units and / or equipment in the embodiment of the present invention.

[0121] Bus 310 includes hardware, software, or both that couples the components of the inkjet printer to each other. By way of example, and not limitation, bus 310 may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industrial Standard Architecture (EISA) bus, a Front Side Bus (FSB), a HyperTransport (HT) interconnect, an Industrial Standard Architecture (ISA) bus, an InfiniBand interconnect, a Low Pin Count (LPC) bus, a memory bus, a Micro Channel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a Video Electronics Standards Association Local (VLB) bus, or other suitable buses, or a combination of two or more of these. Where appropriate, bus 310 may include one or more buses. Although embodiments of the present invention describe and illustrate specific buses, the present invention contemplates any suitable bus or interconnect.

[0122] Example 5

[0123] In addition, in conjunction with the inkjet printer ink pressure control method in the above-mentioned embodiment, embodiments of the present invention may provide a computer-readable storage medium for implementation. The computer-readable storage medium stores computer program instructions; when the computer program instructions are executed by the processor 301, any of the inkjet printer ink pressure control methods in the above-mentioned embodiment is implemented.

[0124] In summary, the inkjet printer ink pressure control method, device, control panel, and printer provided by the embodiments of the present invention, when an ink pressure signal is obtained, stop the flash spray cleaning operation and turn off the standby flash spray function until there is no ink pressure operation, and then resume the flash spray cleaning operation and the standby flash spray function, thereby avoiding damage to the nozzle caused by the inkjet printer performing the flash spray cleaning operation while performing the ink pressure operation, and obtaining a better ink pressure cleaning effect. In addition, the present invention also realizes the automatic execution of the ink pressure operation in the standby state, and automatically executes the ink pressure operation when it detects an abnormal number of nozzles in the nozzle or the ink bubble content in the ink path is greater than or equal to a preset value or at a certain interval, thereby avoiding the accumulation of bubbles in the ink path that affect the printing effect when the inkjet printer is on standby for a long time, thereby improving the printing quality of the inkjet printer when it is working.

[0125] It should be understood that the present invention is not limited to the specific configurations and processes described above and illustrated in the figures. For the sake of brevity, a detailed description of known methods is omitted. In the above embodiments, several specific steps are described and illustrated as examples. However, the method of the present invention is not limited to the specific steps described and illustrated. Those skilled in the art may make various changes, modifications, and additions, or change the order of the steps after understanding the spirit of the present invention.

[0126] The functional blocks shown in the block diagrams described above can be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, they may be, for example, electronic circuits, application-specific integrated circuits (ASICs), appropriate firmware, plug-ins, function cards, and the like. When implemented in software, the elements of the present invention are programs or code segments used to perform the desired tasks. Programs or code segments may be stored in a machine-readable medium or transmitted via a data signal carried in a carrier wave over a transmission medium or communication link. "Machine-readable medium" may include any medium capable of storing or transmitting information. Examples of machine-readable media include electronic circuits, semiconductor memory devices, ROMs, flash memory, erasable ROMs (EROMs), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency (RF) links, and the like. Code segments may be downloaded via a computer network such as the Internet or an intranet.

[0127] It should also be noted that the exemplary embodiments described herein describe methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the steps described above. In other words, the steps may be performed in the order described in the embodiments, or in a different order, or several steps may be performed simultaneously.

[0128] The above description is only a specific embodiment of the present invention. Those skilled in the art will clearly understand that for the convenience and brevity of description, the specific working processes of the systems, modules and units described above can refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here. It should be understood that the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention.

Claims

1. A method for controlling ink pressure of an inkjet printer, characterized in that: The method is applied to an inkjet printer with a standby flash jet function, wherein the standby flash jet function enables the inkjet printer to automatically start a flash jet cleaning operation in a standby state, and the method comprises: When an ink pressing signal is obtained in the standby state, it is determined whether the inkjet printer is performing a flash jet cleaning operation, wherein the ink pressing signal is used to drive the ink supply system of the inkjet printer to start the ink pressing operation; If the inkjet printer is performing a flash jet cleaning operation, the flash jet cleaning operation is stopped and the standby flash jet function is turned off, and then an ink pressing operation is performed; Determine whether a new ink pressure signal is obtained; If a new ink pressing signal is obtained, the ink pressing operation is performed again until no new ink pressing signal is obtained; Resume the flash spray cleaning operation and start the standby flash spray function.

2. The inkjet printer ink pressure control method according to claim 1, characterized in that: The ink pressure signal is any one of an ink pressure switch signal, an ink path positive pressure sensor signal or a preset signal generated by an inkjet printer control system, wherein the ink pressure switch signal is generated by an ink pressure switch of an inkjet printer ink supply system, and the ink path positive pressure sensor signal is generated by a positive pressure sensor of an inkjet printer ink supply system, and the preset signal is used to drive the inkjet printer ink supply system to perform an ink pressure operation.

3. The inkjet printer ink pressure control method according to any one of claims 1 to 2, characterized in that: The method further comprises: Detect whether the ink pressure switch in the inkjet printer is continuously triggered; If the ink pressing switch is triggered continuously, when the time interval between two adjacent triggering of the ink pressing switch is less than the first preset time, no ink pressing signal is generated when the ink pressing switch is triggered the second time; When the time interval between two consecutive triggering of the ink pressing switch is greater than or equal to the first preset time, an ink pressing signal is generated when the ink pressing switch is triggered the latter time.

4. The inkjet printer ink pressure control method according to claim 2, characterized in that: The method further comprises: The number of abnormal nozzles in the inkjet printer nozzle is detected in a standby state. When the number of abnormal nozzles is greater than or equal to a first preset value, the inkjet printer control system generates the preset signal.

5. The inkjet printer ink pressure control method according to claim 4, characterized in that: The method further comprises: The ink pressing power is dynamically adjusted according to the content of dried ink and / or bubbles in the abnormal nozzles.

6. The inkjet printer ink pressure control method according to claim 2, characterized in that: The method further comprises: In a standby state, the bubble content of the ink in the ink path of the ink supply system of the inkjet printer is detected. When the bubble content is greater than or equal to a second preset value, the inkjet printer control system generates the preset signal.

7. The inkjet printer ink pressure control method according to claim 2, characterized in that: The method further includes: detecting whether the inkjet printer is in a standby state at intervals of a second preset time, and if so, the inkjet printer control system generates the preset signal.

8. An inkjet printer ink pressure control device, characterized in that: The device is applied to an inkjet printer with a standby flash-jet function, wherein the standby flash-jet function enables the inkjet printer to automatically start a flash-jet cleaning operation in a standby state. The device comprises: A first judgment module is configured to obtain an ink pressure signal in a standby state and determine whether the inkjet printer is performing a flash jet cleaning operation, wherein the ink pressure signal is used to drive the ink supply system of the inkjet printer to start the ink pressure operation; an ink pressing execution module, configured to, if the inkjet printer is performing a flash jet cleaning operation, stop the flash jet cleaning operation and turn off the standby flash jet function, and then perform an ink pressing operation; The second judgment module is used to judge whether a new ink pressure signal is obtained; A circulation module, configured to execute the ink pressing operation again if a new ink pressing signal is obtained, until no new ink pressing signal is obtained; The flash spray recovery module is used to restore the flash spray cleaning operation and start the standby flash spray function.

9. An inkjet printer ink pressure control panel, characterized in that: The control panel is applied to an inkjet printer with a standby flash jet function, wherein the standby flash jet function enables the inkjet printer to automatically start a flash jet cleaning operation in a standby state. The control panel includes: Main control module, used to control the operation of the inkjet printer; The ink pressure control device for an inkjet printer as claimed in claim 8.

10. An inkjet printer, characterized in that: include: At least one processor, at least one memory, and computer program instructions stored in the memory, which implement the method according to any one of claims 1 to 7 when the computer program instructions are executed by the processor.

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