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Negative pressure ink path system based on CAN-LIN protocol

A protocol and negative pressure technology, applied in the field of negative pressure ink system, can solve the problems of low reliability, high complexity and poor flexibility of the negative pressure ink system, and achieve high reliability, strong adaptability and low maintenance cost Effect

Pending Publication Date: 2019-09-17
BEIJING BOYUAN HENGXIN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, a negative pressure ink system based on the CAN-LIN protocol is provided to solve the problems of low reliability, poor flexibility, high complexity and high cost of the negative pressure ink system in the related art

Method used

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  • Negative pressure ink path system based on CAN-LIN protocol

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Embodiment

[0039] figure 1 A schematic structural diagram of a negative pressure ink system based on the CAN-LIN protocol provided by an embodiment of the present invention. refer to figure 1 , the system specifically may include: a CAN-LIN gateway module 101 , a main control board 102 , a UI interface module 103 , a main control device 104 , a sensor module 105 , a control input module 106 , an execution module 107 and a cleaning module 108 .

[0040] Wherein, the CAN-LIN gateway module 101 is used to realize the CAN agreement to the LIN agreement, and, the conversion of the LIN agreement to the CAN agreement, each module is connected with the CAN bus through the LIN bus and the described CAN-LIN gateway module; To collect the state information of each module, and report the state information to the UI (User Interface, user interface) interface module 103 and the main control device 104; the sensor module 105 includes a pressure control module 1051 and a liquid level control module 105...

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Abstract

The invention relates to a negative pressure ink path system based on a CAN-LIN protocol. The negative pressure ink path system comprises a CAN gateway module used for realizing a CAN protocol to an LIN protocol and conversion from the LIN protocol to the CAN protocol, all modules are connected with a CAN through an LIN and the CAN-LIN gateway module, a main control board is used for acquiring state information of each module, and reporting the state information to an UI interface module and a main control device, a sensor module comprises a pressure control module and a liquid level control module, the pressure control module is used for measuring and adjusting the pressure of pressure self-closed-loop control nodes and transmitting the current pressure state information to the main control board, the liquid level control module is used for measuring and adjusting the liquid level of all liquid level self-closed-loop control nodes and transmitting the current liquid level state information to the main control board, an execution module executes corresponding actions according to control instructions input by a control input module, and a cleaning module is used for a corresponding air valve or a liquid valve to act when an ink pressing button or an exhaust button on an auxiliary ink box is triggered. The system is flexible in configuration and high in reliability.

Description

technical field [0001] The invention relates to the technical field of inkjet printers, in particular to a negative pressure ink path system based on the CAN-LIN protocol. Background technique [0002] In recent years, with the rapid development of digital inkjet technology, various sensors and actuators in the negative pressure ink system have appeared continuously, and the system design of the negative pressure ink system has become increasingly complex. Most of the ink path control systems of existing inkjet printers are designed for a specific nozzle type or machine type, and the CAN bus or 485 bus is used for system cascading. The system adopts a system architecture of distributed collection and centralized processing. . That is, the data status information of each distributed node is uploaded to the central control board through the communication system, and after the central control board finishes processing, the execution command is sent to the corresponding node th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/07B41J2/165B41J2/17B41J2/21
CPCB41J2/07B41J2/21B41J2/165B41J2/17
Inventor 范东晓程亮
Owner BEIJING BOYUAN HENGXIN TECH CO LTD
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