The invention discloses a onepass inkjet printing method, a onepass inkjet printing device, a onepass inkjet printing apparatus and a storage medium. The method includes the following steps that: theinitial print position of an image is determined according to printing system feature parameters and image parameters; mapping relations between the storage addresses of printing channels and the storage addresses of image data in a memory are determined according to the initial printing position; printing data corresponding to each printing channel are extracted according to the mapping relations; and inkjet printing is performed according to the printing data. According the onepass inkjet printing method of the invention, the storage addresses of the printing data corresponding to the printing channels are located according to the mapping relations. With the onepass inkjet printing method, the onepass inkjet printing device, the onepass inkjet printing apparatus and the storage medium ofthe invention adopted, the accurate printing position of the image is ensured; and onepass does not need the reciprocating movement of a nozzle, and therefore, printing time can be saved, and printing efficiency can be improved.

Onepass inkjet printing method, device, apparatus and storage medium

The embodiment of the invention relates to the technical field of high-speed digital printing and discloses a synchronous data processing method and a synchronous data processing device for multi-nozzles and a printer. The device is applied to a field-programmable gate array device; the field-programmable gate array device includes a memory; the device comprises a data verification module, a dataanalysis module, a data caching module, a data splitting and distribution module and a nozzle driving module, wherein the data verification module is used for acquiring spray-printing data and verifying the spray-printing data; the data analysis module is used for acquiring the verified spray-printing data and analyzing the verified spray-printing data to generate analysis data; the data caching module is used for caching the analysis data into the memory; the data splitting and distribution module is used for acquiring the cached analysis data and splitting the cached analysis data into datablocks which have the same number as the nozzles; and the nozzle driving module is used for receiving the data blocks and driving the nozzles for data flow spray-printing. Therefore, when the plurality of nozzles exists, the data are enabled to be processed synchronously, and a spray-printing pattern is tidy and free of burr.

Synchronous data processing method and device for multi-nozzles and printer

The invention provides a printing processing method and apparatus. The method comprises the steps of receiving to-be-printed first-line data; copying the to-be-printed data, storing each piece of the to-be-printed data in a corresponding buffer region, and generating a storage index table, wherein the number of the copied to-be-printed data is the same as the number of sub-spray heads; reading pixel data corresponding to spray nozzles in sequence row by row in buffer regions corresponding to the sub-spray heads according to corresponding relationships between position arrangement structures of the spray nozzles in the sub-spray heads described in a mapping table of the sub-spray heads and pixel point identifiers corresponding to the spray nozzles, and the storage index table of the buffer regions corresponding to the sub-spray heads; and sending the read pixel data to the corresponding spray nozzles, and controlling the spray nozzles in the sub-spray heads to print the to-be-printed data. A spray head is divided into the sub-spray heads, and the first-line data is copied and cached, so that multiple pieces of pixel point data can be read in parallel in each clock period, and the printing processing rate is increased.

Printing processing method and apparatus

The invention discloses an application method of road surface mark preparing equipment, so that a worker can realize the preparation of road surface marks through an input device and a remote control device. A central control module is arranged in an equipment body; and a printing device, a power device, an advancing device, an input device and a remote control device which are respectively connected with the central control module are also arranged on the equipment body. The scheme of the application method is characterized in that human resources and material resources are saved; printing efficiency is improved; automatically monitoring the printing process is realized through automatic control, so that the printing quality is accurately improved; the power device adopts an accumulator, and is environmentally-friendly and clean, energy charging can be quickly performed, and the power device can be adapted to various working environments; and a moving device adopts wheels under conventional environments and driving wheels and tracks under unconventional environment, and can perform automatic flexible adjustment according to working occasions. According to the road surface mark preparing equipment disclosed by the invention, inputting of simple characters, lines and symbols can be realized through a touch screen, and complicated patterns can also be imported through a USB interface and are recognized and decomposed by the central control module, and various printing requirements can be met.

Road surface mark preparing equipment and application method thereof

The invention provides a spraying machine and a spraying speed increasing method and device of the code spraying machine. The spraying speed increasing method comprises the following steps of jet printing data is read, and the jet printing data comprises first jet printing data corresponding to the first nozzle array and second jet printing data corresponding to the second nozzle array; the firstjet printing data are read into the data buffer, and the second jet printing data are read into the temporary storage so as to carry out time delay treatment; when the code spraying machine is subjected to jet printing, and the synchronous signals are detected; and the first jet printing data is read as a frame of jet printing data according to the synchronous signals so as to control the first nozzle array to carry out spray printing, when the time delay time is reached, and the first spray printing data and the second spray printing data are respectively read to be combined into one-frame spray printing data so as to control the first spray nozzle array and the second spray nozzle array to simultaneously carry out spray printing. The two rows of nozzles are used together, on the premisethat the spray printing resolution is not reduced, the purpose of improving the jet printing speed is achieved, so that the application field of the code spraying machine is expanded.

Spraying machine and spraying speed increasing method and device of the spraying machine

The invention discloses a method for controlling asynchronous multi-nozzle collaborative printing The method for controlling asynchronous multi-nozzle collaborative printing comprises steps that a host machine printing engine program generates printing data and control information and the printing data and the control information are transmitted to a printing main board controller; the printing data enters into a command parsing and data distributing module through a data channel of the printing main board controller; the command parsing and data distributing module distributes the printing data of nozzles to first level buffer FIFOs respectively; then the printing data is stored into an independent data area of an SDRAM after read-write arbitration through an internal storage controller; the printing data which is required to read through the internal storage controller is temporally stored in second level buffering FIFOs of the nozzles; finally the printing data is sent to the nozzle through driving modules of the nozzles

Method for controlling asynchronous multi-nozzle collaborative printing

The invention discloses a nonsynchronous online dynamic data printing device with multiple nozzles. The online dynamic data printing device comprises an independent layout editing unit of each nozzle, a to-be-used data packet buffer pool, to-be-sent data packet queues, an annular token bucket, a print data generator and a data sending scheduler, wherein each independent layout editing unit is used for defining the print range of each nozzle; the to-be-used data packet buffer pool is formed in a way that a printing device applies to a system for a block of memory in advance, and the memory is formated to form the to-be-used data packet buffer pool with a data packet as unit; each nozzle is provided with to-be-sent data packet queues, print data is grouped by fixed sizes and filled into data packets taken out of the to-be-used data packet buffer pool, and then the data packets are mounted in the to-be-sent data packet queues of corresponding nozzles; the annular token bucket is used for judging the sending sequence of the to-be-sent data packets of all nozzles; the print data generator is used for monitoring the size of the to-be-sent data packet queue of each nozzle; the data sending scheduler is used for dynamically allocating data bandwidth for each nozzle and judging from the to-be-sent data packet queue of which nozzle, one to-be-sent data packet is taken out at present.

Nonsynchronous online dynamic data printing device with multiple nozzles

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Method for controlling asynchronous multi-nozzle collaborative printing

Nonsynchronous online dynamic data printing device with multiple nozzles