WO2010118549A1 - Imprimante, procédé d'agrandissement d'une taille d'impression et système d'impression - Google Patents

Imprimante, procédé d'agrandissement d'une taille d'impression et système d'impression Download PDF

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Publication number
WO2010118549A1
WO2010118549A1 PCT/CN2009/000390 CN2009000390W WO2010118549A1 WO 2010118549 A1 WO2010118549 A1 WO 2010118549A1 CN 2009000390 W CN2009000390 W CN 2009000390W WO 2010118549 A1 WO2010118549 A1 WO 2010118549A1
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WO
WIPO (PCT)
Prior art keywords
web
printer
speed
control module
ratio
Prior art date
Application number
PCT/CN2009/000390
Other languages
English (en)
Chinese (zh)
Inventor
王红
Original Assignee
青岛尤尼科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛尤尼科技有限公司 filed Critical 青岛尤尼科技有限公司
Priority to PCT/CN2009/000390 priority Critical patent/WO2010118549A1/fr
Publication of WO2010118549A1 publication Critical patent/WO2010118549A1/fr

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Classifications

    • 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
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/20—Positive-feed character-spacing mechanisms
    • B41J19/202—Drive control means for carriage movement

Definitions

  • the present invention relates to a printing apparatus, particularly in connection with a printer, a printing format expansion method of a printer, and a printing system. Background technique
  • the printer's print format is the area that the printer can print out.
  • the so-called maximum print size refers to the maximum paper size that the printer can print.
  • the printing format mainly has A3, A4, A5 and the like.
  • the larger the print size of the printer the larger the print range.
  • the size of the print format is also an important measure of the printer's performance.
  • the cost of large format printers has increased significantly.
  • the cost of the printer is mainly on its print head and control module.
  • large format printers can also choose to print small-format images, but the resolution of the images that are printed is not as good as the equivalent resolution of a small-format printer.
  • Another object of the present invention is to provide a printer web expansion method for retrofitting a larger format printer using an existing printer.
  • a third object of the present invention is to provide a printing system having the printer of the present invention.
  • a printer capable of printing a first web comprising a printhead, a control module for controlling the printhead, and a main beam for lateral displacement of the printhead;
  • the print head is a second web print head, the initial lateral speed is a second web speed, the second web is smaller than the first web, and the ratio of the first web to the second web is For the lateral ratio, the ratio of the longitudinal length is the longitudinal ratio; The length of the main beam matches the first web printing;
  • the speed control module adjusts the lateral speed to a first web speed according to the lateral ratio, so that the print head completes the horizontal printing on the first web with the same time as the second web, and
  • the control module sends the adjusted lateral velocity signal;
  • the content conversion module performs a conversion of the longitudinal direction of the content to be printed to match the first format printing, and the printing head prints the converted content to be printed;
  • the control module controls the action unit of the print head to perform printing according to the lateral speed signal transmitted by the speed control module.
  • a printing web expansion method of the present invention for expanding a second web printer into a first web printer, the second web printer comprising a second web print head, a control module and a main beam for lateral displacement of the print head
  • the initial lateral velocity is a second web speed
  • the second web is smaller than the first web
  • the ratio of the transverse length of the first web to the second web is a lateral ratio
  • the ratio of the longitudinal length is a longitudinal direction.
  • the speed control module adjusting the lateral speed to a first web speed according to the lateral ratio, so that the print head is on the first web Performing lateral printing at the same time as the second web, and transmitting the adjusted lateral velocity signal to the control module;
  • a content conversion module connected to the control module, the vertical direction of the content to be printed is converted according to the vertical ratio, and the converted content to be printed is transmitted to the control module;
  • the control module controls the action unit of the print head according to the lateral speed signal transmitted by the speed control module, and prints the content to be printed.
  • the printing system of the present invention includes a printer and an instruction module that issues an external print command to the printer, the printer being the printer of the present invention.
  • the invention has the beneficial effects that the printer and the printing web expansion method of the invention utilize the print head and the control module of the low-cost small-format printer to expand the web size, thereby greatly reducing the production cost of the large-format printer.
  • the printer of the present invention has a simple structure and is easy to implement. Further, the printer of the present invention also achieves switching between different print formats.
  • 1 is a block diagram of a printer according to an embodiment of the present invention
  • 2 is a schematic diagram of grating detection of a printer according to a first embodiment of the present invention
  • FIG. 3 is a schematic diagram of grating detection of a printer according to a second embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a pulse of a grating feedback circuit of a printer according to a first embodiment of the present invention
  • FIG. 5 is a schematic diagram of a waveform of a feedback signal according to a third embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a logic circuit according to a third embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a printing unit of a printer according to a fourth embodiment of the present invention.
  • FIG. 8 is a schematic diagram of feedback signal selection of a printer according to a fourth embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a webpage switching of a printer according to a fourth embodiment of the present invention.
  • FIG. 10 is a flowchart of image processing of a printer according to an embodiment of the present invention. detailed description
  • the printer of the embodiment of the invention may be an inkjet printer or other type of printer, except for the print head and the control module, the feed mechanism, the carriage mechanism, the printer main board, the power supply module for feeding the motor, and the printer.
  • the drive circuit, the input/output interface circuit, the detection circuit, and the like can be of various implementation types.
  • the printer of the embodiment of the present invention has a maximum format that can be printed as a first web, and a printing unit includes a print head, a control module for controlling the print head, and a speed control module and a content conversion module; Also included in the mechanical structure is a main beam for lateral displacement of the printhead.
  • the principle of the webpage expansion method of the printer and the printer of the present invention is as follows: since the printing process is a printer print head (such as an ink head) laterally moving in conjunction with the longitudinal feed and the ink jet device on the ink head ejects ink dots, the lateral movement can be performed. The width of the print becomes larger, but the print time remains the same, so that the print width becomes larger.
  • a printer print head such as an ink head
  • the print head is a second print head having a maximum print width of the second web
  • the initial lateral speed of the second print head is a second web speed.
  • the lateral speed means that the print head is in the horizontal direction when printing (ie, the main The moving speed of the beam direction, the second surface is smaller than the first surface, for example, the first surface is A3, and the second surface is A4; therefore, the second surface can be generally referred to as a small surface, and the first surface is a large format
  • the transverse ratio refers to the ratio of the lateral length of the first web to the second web
  • the longitudinal ratio refers to the ratio of the longitudinal length of the first web to the second web. Therefore, the transverse ratio and the longitudinal ratio are both greater than or equal to The value of 1; and in some cases, the longitudinal ratio is equal to the lateral ratio.
  • the length of the main beam is matched to the first web printing, and the length of the main beam is greater than the lateral width of the first web.
  • the initial lateral speed of the print head is the second web speed, which is to be adapted.
  • Printing of the first web that is, to complete an entire line of printing in the same time, it is necessary to adjust its lateral speed to the first web speed matched with the first web printing, and the first web speed should be equal to the second web speed.
  • the web speed is multiplied by the lateral ratio. This function is performed by the speed control module.
  • the speed control module is connected to the control module and the print head, and the lateral speed is multiplied by the lateral ratio to be adjusted to the first web speed, so that the print head is completed on the first web surface in the same time as the second web surface.
  • the content conversion module because the speed is adjusted in the horizontal direction, in order to maintain the proportional coordination of the content to be printed, the longitudinal direction of the content to be printed needs to be matched with the conversion of the first format printing, and the vertical ratio or the horizontal direction may be
  • the print head prints the converted content to be printed.
  • the horizontal ratio is equal to the vertical ratio
  • the ratio of the image printed by the printer is the same as the original image.
  • the ratio of the vertical adjustment of the image can be determined according to the user's printing requirements. Among them, the conversion of the smaller one of the vertical ratio and the horizontal ratio is selected to ensure that the printed content such as images can be printed at least.
  • the speed control module intercepts a feedback signal sent by the print head to the control module and reflects the speed of the print head, and replaces the second web speed reflected in the feedback signal with the first A speed of the surface.
  • the second web speed can be reflected by different amounts, such as the displacement of the print head per unit time, the speed of the stepping motor, etc., mainly by the frequency of the signal.
  • the speed control module is realized by grating and grating detection feedback.
  • the sensor detects the grating (such as the grating ruler), and the action unit receives the control.
  • the control signal of the module drives the left and right movement of the ink head, and the movement of the action unit is checked by the grating ruler and fed back to the control module.
  • the second web print head of the prior art is generally a second web scale, and in the speed control module of the printer of the first embodiment of the present invention, the first web scale is used.
  • the speed replacement in the feedback signal is achieved by the replacement of the scale.
  • the ratio of the total length of the first web scale, the width of the grid line and the grid line spacing to the total length of the second web scale, the width of the grid line and the grid line spacing are equal to the lateral ratio, ie the total length of the first web scale, the grid line
  • the width and grid line spacing are equal to the total length of the second web scale, the gate line width, and the grid line spacing, respectively, multiplied by the lateral ratio.
  • the original feedback signal is changed in the grating detection feedback link to achieve the effect of adjusting the lateral speed of the ink head, and the lateral speed of the action unit is indirectly changed to realize large-format printing.
  • the grating grid line spacing is changed. Assuming that the sensor reading grating 500 grid moving unit moves by one centimeter, the distance of the grating is now increased to 500 grids and two centimeters, and the action unit is moved by two centimeters. By this replacement, it is possible to increase the width of the lateral movement of the print head, but the time does not change.
  • Raster detection list In the element, the grating sensor that implements the grating detection determines the direction by two-way feedback, as shown in Fig. 3.
  • a ring grating can also be used, as shown in Figure 3.
  • the ring grating is used to realize the feedback of the lateral movement of the print head, and the ring grating is rotated by the motor that drives the movement of the print head.
  • the grid lines (or grating strips) are spaced. Arranged in a fan shape, the grid lines themselves are fan-shaped, and the spacing between the grid lines is naturally also fan-shaped.
  • the print width of the print head can be adjusted to achieve a larger format.
  • the grating strip of the first web grating is more than the grating strip of the second web grating, and the ratio of the number of grating strips is equal to the lateral ratio.
  • the lateral velocity signal replacement in the feedback signal is achieved by the replacement of the ring grating.
  • the ratio of the radius and the number of cells of the first surface ring grating to the radius and the number of cells of the second ring grating is equal to the lateral ratio, that is, the radius and the number of cells of the first ring grating are equal to the ring grating of the second frame respectively.
  • the rotation of the ring grating can be driven by the motor of the print head.
  • the speed module adjusts the lateral speed of the print head.
  • the feedback signal of the speed control module is a feedback signal of the servo motor of the print head, and the speed adjustment is performed by dividing the feedback signal by a logic circuit.
  • the lateral ratio is k, according to the principle of the fractional divider, if the print width (ie, the lateral print width of the print format) is required to be extended by k times, it is necessary to make k for the feedback signals A and A. Multiplier.
  • the feedback signal of the servo motor is an orthogonal coded signal containing position information, and the phase difference between the two signals is 90 degrees, the frequency of the signal reflects the level of the motor speed, and the lead and lag of the two signals The relationship reflects the direction of rotation of the motor.
  • the pre-frequency signals are: A, B.
  • the divided signals are A', B'. If the two signals are simply divided, the logical relationship between the two signals cannot be maintained.
  • the corresponding logic circuit is designed according to the following logic equation to obtain two pulses satisfying the speed regulation requirement.
  • FIG. 6 A schematic diagram of the circuit is shown in FIG. 6.
  • the specific circuit can be implemented by an integrated IC by a person skilled in the art, or by programming with a programmable logic device CPLD.
  • the printer of the present invention can also perform the selection of the web.
  • the printer of the fourth embodiment of the present invention further includes a web selection unit, the web selection unit and the speed control.
  • a speed selection unit provided within the module is coupled, and the speed selection unit selects a web speed that matches the web as the lateral speed.
  • the specific format selection can be selected by the user through the interface or buttons.
  • the printer of the fourth embodiment of the present invention comprises a print head 16, a control module 11, and the like, and the print head 16 is moved on the main beam 15 by the stepping motor 12 to realize a printing process.
  • the stepping motor simultaneously drives the ring grating 13 (also known as the code wheel or the grating plate) to rotate, and the action information of the print head is fed back to the control module through the sensor 14.
  • the annular grating comprises two gratings coaxial, one being a first-face annular grating and the other being a second-surface annular grating. As shown in FIG. 8 and FIG.
  • each code disc has a code disc feedback circuit for detecting the disc, and the disc feedback circuit transmits the signal to the web selection unit to perform switching selection of the feedback signal, and the selected signal is transmitted to the signal.
  • the processor which is transmitted to the control module, performs print control on the print head action unit according to the user's selection.
  • image processing suitable for the first format is performed in the longitudinal direction of the printed content, which can be realized by the flow shown in FIG.
  • the format of the picture can be tmp ⁇ jpg ⁇ Jpeg.
  • the PC software processes the picture.
  • the software can be written by a programming language (such as ddphi6). After processing, it is stored in the third-party control image control (that is, the image is filled in the control). Then, the width of the picture is stretched in the software. After stretching, the aspect ratio of the image printed by the printer of the present invention is moderate, that is, if the original is circular, the output is still circular; if it is an ellipse, the output is still elliptical.
  • a printing web expansion method is for expanding a second format printer into a first format printer, for example, an A4 format printer can be expanded into an A3 format printer. That is, the small format printer is extended to a large format printer.
  • the second format printhead and control module of the existing second format printer are still retained, and other components can also be selected for retention.
  • the main beam for the lateral displacement of the printhead is extended to match the main beam of the first web print, which can be done by lengthening, or it can be recreated into a complete main beam that can conform to the length.
  • the initial lateral velocity of the second web printhead is the second web speed and needs to be adjusted to the first web speed.
  • a speed control module is disposed between the print head and the control module, and the speed control module can be a speed control module according to various embodiments of the present invention, and the function is to adjust the horizontal speed to the first according to the lateral ratio.
  • a web speed such that the printhead completes the lateral printing on the first web at the same time as the second web and sends the adjusted to the control module The lateral velocity signal;
  • the content conversion module connected to the control module is further configured to convert the vertical direction of the content to be printed according to the vertical ratio, and the converted content to be printed is transmitted to the control module;
  • the control module controls the action unit of the print head according to the lateral speed signal transmitted by the speed control module, and prints the content to be printed.
  • the speed control module replaces the second image grating that feeds back the print head displacement with the first image raster, and the speed replacement is implemented by raster replacement.
  • the grating used is also divided into two cases, a grating scale and a ring grating.
  • the first web scale of the printer or the ring grating of the second web can be replaced by the first web scale as described above; or the first web ring grating as described above can be used to replace the printer.
  • the speed adjustment can also be realized by dividing the feedback signal of the print head servo motor.
  • the method of expanding the format of the embodiment of the present invention selects the addition of the grating, and can be expanded to a large format printer of a selectable format.
  • a second surface ring grating which feeds back the displacement of the print head and a grating detecting unit thereof, and is connected with the signal selection circuit, and is selected by a grating feedback signal
  • the speed selection is the format selection.
  • a printing system includes a printer and an instruction module that issues an external print command to the printer, which may be the printer of the above-described embodiments of the present invention.
  • the instruction module is an instruction module based on an ARM embedded system, and the instruction module may further be provided with a liquid crystal display and an external external memory to support browsing of files stored on the external memory; the control module further includes The USB hub chip further expands the system to four USB external interfaces for connecting printers, USB sticks, mice and keyboards.
  • the user can select the printing format of the printer through the instruction module, and can preview the printing effect when printing in different formats before printing, giving the user a flexible choice.
  • the printer of the printing system of the embodiment of the present invention can further expand the system into four USB external interfaces through a USB hub chip for connecting external devices such as a printer, a USB flash drive, a mouse, and a keyboard. Also included is SDRAM memory.

Abstract

L'invention porte sur une imprimante qui peut imprimer une première taille. L'imprimante comprend une tête d'impression (4), un module de commande (2) et une traversée principale qui correspond à une impression de la première taille. La tête d'impression (4) est une tête d'impression de deuxième taille, et sa vitesse transversale initiale est une vitesse de deuxième taille, la deuxième taille étant inférieure à la première taille. De plus, l'imprimante comprend un module de régulation de vitesse (1) et un module de conversion de contenu d'impression (3). Le module de régulation de vitesse (1) régule la vitesse transversale de la vitesse de deuxième taille à la vitesse de première taille en proportion transversale, et, par conséquent, la tête d'impression peut effectuer une impression transversale à chaque taille en même temps. Le module de conversion de contenu d'impression (3) convertit le contenu d'impression longitudinal en proportion longitudinale. Le module de commande (2) commande une unité d'actionnement de la tête d'impression (4) en fonction d'un envoi de signal à partir du module de régulation de vitesse pour effectuer une impression. L'invention porte également sur un procédé d'agrandissement de taille d'impression et sur un système d'impression comprenant l'imprimante. Grâce à l'application de la tête d'impression et du module de commande d'imprimante de petite taille, la présente invention réduit considérablement le coût de production d'une imprimante de grande taille.s
PCT/CN2009/000390 2009-04-13 2009-04-13 Imprimante, procédé d'agrandissement d'une taille d'impression et système d'impression WO2010118549A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/000390 WO2010118549A1 (fr) 2009-04-13 2009-04-13 Imprimante, procédé d'agrandissement d'une taille d'impression et système d'impression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/000390 WO2010118549A1 (fr) 2009-04-13 2009-04-13 Imprimante, procédé d'agrandissement d'une taille d'impression et système d'impression

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WO2010118549A1 true WO2010118549A1 (fr) 2010-10-21

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933867A (en) * 1983-05-31 1990-06-12 Kabushiki Kaisha Toshiba Printing apparatus
JPH0820136A (ja) * 1994-07-06 1996-01-23 Brother Ind Ltd サーマルプリンタ
US5815191A (en) * 1995-01-31 1998-09-29 Agfa-Gevaert Direct thermal printing method and apparatus
CN1506231A (zh) * 2002-12-10 2004-06-23 ���ǵ�����ʽ���� 调整打印纸的打印宽度的方法和设备
CN1904820A (zh) * 2005-07-27 2007-01-31 三星电子株式会社 用于设置无边框功能的用户终端设备、系统和方法
CN101004582A (zh) * 2006-01-16 2007-07-25 北京书生国际信息技术有限公司 一种小边距或无边距打印方法
CN201189748Y (zh) * 2008-04-21 2009-02-04 黄�俊 基于矩阵打印方式的宽幅打印装置及宽幅打印机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933867A (en) * 1983-05-31 1990-06-12 Kabushiki Kaisha Toshiba Printing apparatus
JPH0820136A (ja) * 1994-07-06 1996-01-23 Brother Ind Ltd サーマルプリンタ
US5815191A (en) * 1995-01-31 1998-09-29 Agfa-Gevaert Direct thermal printing method and apparatus
CN1506231A (zh) * 2002-12-10 2004-06-23 ���ǵ�����ʽ���� 调整打印纸的打印宽度的方法和设备
CN1904820A (zh) * 2005-07-27 2007-01-31 三星电子株式会社 用于设置无边框功能的用户终端设备、系统和方法
CN101004582A (zh) * 2006-01-16 2007-07-25 北京书生国际信息技术有限公司 一种小边距或无边距打印方法
CN201189748Y (zh) * 2008-04-21 2009-02-04 黄�俊 基于矩阵打印方式的宽幅打印装置及宽幅打印机

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