WO2021051314A1

WO2021051314A1 - Portable inkjet printer

Info

Publication number: WO2021051314A1
Application number: PCT/CN2019/106479
Authority: WO
Inventors: 李春鹏; 熊博; 王志宇; 吴帆
Original assignee: 光芯半导体(深圳)有限公司
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2021-03-25

Abstract

A portable inkjet printer, comprising: a processor (1) communicationally connected to the following units: an ink box protocol processor (2), a memory and storage unit (3), a time management unit (4), a wireless communication module (5), an operation control unit (6), a position sensor (8), a power supply unit (9), and an external communication interface (10), wherein the ink box protocol processor (2) is communicationally connected to an ink box printing control unit (7) to execute printing operation; the memory and storage unit (3) stores local information of the printer; the wireless communication module (5) receives printing information from a mobile terminal and is communicationally connected to the processor (1); the operation control unit (6) is used for printer option setting and operation instruction input; the ink box printing control unit (7) receives a printing command of the ink box protocol processor (2) to control an ink box printing action; and the position sensor (8) is used for measuring a moving distance of a printing head. The portable inkjet printer can be suitable for different printing media and various use occasions, and is simple in structure and small in volume.

Description

Portable inkjet printer

Technical field

The invention relates to a printer, in particular to a portable inkjet printer.

Background technique

The existing traditional printers are large in size and complex in structure, and require a printer workbench. When printing, they rely on a motor to drive the paper feeding system. The print head prints on a set size of print paper. There are requirements for the print medium, and it must be the current standard print. Paper, for printing media with irregular surfaces, such as balloons, cups, human faces, arms, clothes and other soft, plastic, and smooth media, it cannot be printed, and it is more strict with regard to the printed media and printing scenes, and for vertical and curved surfaces. The print media cannot be printed at all. Traditional printers can only print edited documents, and cannot meet the printing needs of current mobile Internet terminals such as mobile phones, Ipads and other portable devices for online display of information; traditional printers can only print at a constant speed with a motor, which cannot meet the printing speed requirements of users holding free printing.

technical problem

In order to overcome the above shortcomings, the present invention provides a portable inkjet printer that is convenient and flexible to use.

Technical solutions

A portable inkjet printer, including: a processor that communicates with the following units: an ink cartridge protocol processor, a memory and storage unit, a time management unit, a wireless communication module, an operation control unit, a position sensor, and a power supply Unit and an external communication interface, the cartridge protocol processor communicates with an ink cartridge printing control unit to perform printing operations, the memory and storage unit store local printer information and receive printing information sent by the processor, and the time management unit is used to manage real time , The wireless communication module receives printing information from the mobile terminal and communicates with the processor, the operation control unit is used for printer option setting and operation instruction input, and the ink cartridge printing control unit receives the printing command from the ink cartridge protocol processor to control the ink cartridge In printing operation, the position sensor is used to detect the movement distance of the print head, report to the processor to calculate the print head position, and adjust the printing speed and update the printing data according to the displacement of the print head. The power supply unit supplies power to the printer, and the external communication interface is connected to the data line .

The position sensor is a roller sensor or a photoelectric sensor.

The power supply unit is a rechargeable battery unit.

The wireless communication module is WIFI, Bluetooth or mobile network.

Beneficial effect

Because the portable inkjet printer of the present invention is provided with an ink cartridge printing control unit, a roller-type sensor or photoelectric sensor, a rechargeable battery unit and a wireless communication module, the roller-type sensor or photoelectric sensor can be suitable for various printing media and various uses Occasion, the structure is simple, the volume is small, and the printing content of the mobile phone or any computer device that can be connected to the wireless Internet can be printed on the flat and curved media.

Description of the drawings

Figure 1 shows a schematic block diagram of the portable inkjet printer of the present invention;

Fig. 2 shows a printing flow chart of the inkjet printer shown in Fig. 1.

The best mode of the present invention

As shown in Figure 1, the portable inkjet printer includes: a processor 1 communicatively connected to the following units: an ink cartridge protocol processor 2, a memory and storage unit 3, a time management unit 4, a wireless communication module 5, and an operation control Unit 6, a position sensor 8, a power supply unit 9 and an external communication interface 10, the ink cartridge protocol processor 2 is in communication with an ink cartridge printing control unit 7 to perform printing operations, and the memory and storage unit 3 stores local printer information and receives The print information sent by the processor 1, the time management unit 4 is used to manage the real time, the wireless communication module 5 receives the print information from the mobile terminal and communicates with the processor 1, and the operation control unit 6 is used to set printer options and Operation instructions are input, the ink cartridge printing control unit 7 receives the print command of the ink cartridge protocol processor 2 to control the ink cartridge printing action, and the position sensor 8 is used to detect the movement distance of the print head, report it to the processor 1 to calculate the print head position, and print according to The displacement of the head adjusts the printing rate and updates the printing data, the power supply unit 9 supplies power to the printer, and the external communication interface 10 is connected to the data line. The detailed functions of each main unit are listed below:

Processor 1 : (a) Process the control tasks and working status indications of various functional modules such as wireless modules, coprocessors, and operation interface units; (b) Process the compilation and analysis of the APP upper communication protocol and printing information, and execute the printing The information is sent to the printing coprocessor; (c) The position data of the position sensor is read in real time, and the printing command is adjusted according to the printer position and sent to the coprocessor to realize the adaptive control of the user's moving speed.

Cartridge protocol processor 2 : Process the control protocol docking of cartridges of different manufacturers and models, and control the cartridges to perform inkjet printing operations.

Memory and storage unit 3 : (d) Store local information such as local fonts, icons, secret keys, IMEI numbers, etc.; (e) Store printing information transmitted by APP, etc., and save historical information and related logs.

Time management unit 4 : Used to manage the real time, so as to ensure the real-time and correctness of time stamps and logs in offline situations such as network failure.

Wireless communication module 5 : Uplink: Receive printing information edited and transmitted by smart phone APP through WIFI, Bluetooth or mobile network communication; Downlink: Pass the printing information to the processor 1 through the communication bus, and return the final printing execution result for synchronization To APP and mobile devices.

操作控制单元Operation control unit 66 ：:

(F) Input units for setting the default printing options and printing buttons supported by the printer;

(G) Reminder output unit such as charging status indicator light, printing status indicator light and power size indicator light.

Ink cartridge printing control unit 7 :

Receive the print command from the ink cartridge protocol processor 2 and control the print head to perform the printing action;

Position sensor 8 :

It is used to detect the movement distance of the printer, report it to the processor 1 to calculate the position of the print head, and adjust the printing rate and update the printing data according to the actual movement displacement of the print head to solve the problem caused by the inconsistent speed when the user holds the printer while moving on the printing medium. Uneven print information;

Power supply unit 9 :

(H) Charge and discharge the built-in rechargeable battery and manage safety through an adapter or a wireless charging unit;

(I) Through the internal power management unit, the battery voltage is converted into the voltage required by each functional module to ensure the power integrity of the product;

External communication interface 10 : Connect an external data line to realize the equipment interface and wired upgrade interface for testing the whole production line.

As shown in Figure 2, the inkjet printer printing flow chart, taking the editing content of the mobile device APP as an example, the printing process is as follows:

S1: The user edits the print content through the mobile device APP, and the APP converts the print content into the bitmap format in column units required by the printer;

S2: The printer is turned on, and the mobile device is connected to the inkjet printer via WIFI;

S3: The printing information of the mobile device is forwarded to the processor 1; if local font data is needed, the processor 1 reads the required data from the memory and storage unit 3;

S4: The printer enters the state of waiting for printing instructions and detects whether the printing button is triggered in real time;

S5: Judge whether the print button of the operation control unit 6 is pressed, if yes, the processor 1 receives the print command to trigger the action to execute the next operation step S6; if no, then go back to step S4;

S6: The processor 1 reads the print head position information provided by the position sensor 8 for processing and sends it to the ink cartridge protocol processor 2; and switches the working status of the printer to "printing";

S7: The ink cartridge protocol processor 2 receives the print command, and the handheld printer starts to move on the printing medium, so that the print head of the ink cartridge printing control unit 7 starts printing from the first column in a bitmap mode;

S8: Pause after the printing of the first column is completed, the position sensor 8 detects the new position information again, and waits for the second column printing command of the processor 1;

S9: The processor 1 judges the print head position to move by 1 position unit according to the print head position information provided by the position sensor 8. If the judgment is yes, it triggers the second column of print commands to repeat the steps from S5 to S7; otherwise, it continues to be in the second Column print command waiting status.

Repeat the operation steps S6 to S9 to print the remaining columns of information until all the printing is completed, the processor 1 changes the status to "printing completed", and saves the log and other related information, and this printing task ends.

S10: The ink cartridge protocol processor 2 prints the second line of information;

S11: Repeat the above steps S6~S10 to print the remaining lines of information until all lines of pre-printed information are printed;

S12: The processor 1 changes the status to "printing completed" and saves the log and other related information, and the printing task ends.

The communication method of this printer is not limited to the APP of mobile devices, but also includes desktop and laptop computers and related applications such as WINDOWS and IMAC; the communication frequency band of the wireless communication block 5 of this printer is not limited to communication networks such as WIFI, Bluetooth, 4G, 5G mobile communication, etc. ; Ink materials are not limited to solvent inks, but also include water-based, UV and invisible inks; simple structure, convenient to carry, and can support flexible printing in different scenarios such as different media surfaces; high-precision position sensor 8 replaces conventional printer paper drive motors, and can support users to hold Variable speed printing; free connection of mobile terminals, open APP makes printing content easy to produce, edit, and print; strong expandability.

To

Claims

A portable inkjet printer, which is characterized by comprising: a processor which is connected to the following units in communication: an ink cartridge protocol processor, a memory and storage unit, a time management unit, a wireless communication module, an operation control unit, and a position The sensor, a power supply unit and an external communication interface, the cartridge protocol processor communicates with an ink cartridge printing control unit to perform printing operations, the memory and storage unit store local printer information and receive printing information sent by the processor, and are used by the time management unit To manage the real time, the wireless communication module receives the printing information from the mobile terminal and communicates with the processor, the operation control unit is used for printer option setting and operation instruction input, and the ink cartridge printing control unit receives the ink cartridge protocol processor The print command controls the printing action of the ink cartridge. The position sensor is used to detect the movement distance of the print head, report to the processor to calculate the position of the print head, and adjust the printing rate and update the printing data according to the displacement of the print head. The power supply unit supplies power to the printer, and the external communication interface Connect with the data line.
The portable inkjet printer of claim 1, wherein the position sensor is a roller sensor or a photoelectric sensor.
The portable inkjet printer according to claim 2, wherein the power supply unit is a rechargeable battery unit.
The portable inkjet printer according to claim 3, wherein the wireless communication module is WIFI, Bluetooth or mobile network.