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Communication system for full-automatic blood coagulation analyzer based on CAN bus

A CAN bus and coagulation analyzer technology, applied in the field of CAN bus communication, can solve the problems of system communication paralysis, low bus utilization, and poor real-time performance.

Inactive Publication Date: 2017-07-04
BEIJING INFORMATION SCI & TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Relatively speaking, the real-time performance is not strong, and the utilization rate of the bus is low, especially when there are many communication nodes in the entire network, the real-time performance problem is more prominent
When a node fails, it often leads to the paralysis of the entire system communication

Method used

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  • Communication system for full-automatic blood coagulation analyzer based on CAN bus
  • Communication system for full-automatic blood coagulation analyzer based on CAN bus
  • Communication system for full-automatic blood coagulation analyzer based on CAN bus

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Embodiment Construction

[0021] The objects and functions of the present invention and methods for achieving the objects and functions will be clarified by referring to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in various forms. The essence of the description is only to help those skilled in the relevant art comprehensively understand the specific details of the present invention.

[0022] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals represent the same or similar components, or the same or similar steps.

[0023] The invention proposes a CAN bus-based automatic coagulation analyzer communication system. With STM32F407VGT6 as the main processor, a communication system based on CAN bus is built by using the chip's CAN peripherals and CAN transceiver. The hardware design and communication proc...

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Abstract

The invention relates to a communication system for a full-automatic blood coagulation analyzer based on a CAN bus. The communication system comprises a PC client side, a USB-CAN module, a blood sample conveying module, a test cup conveying module, a reagent position module, a three-dimensional motion control module and a detection module; management of a blood sample to be tested, a test reagent, three-dimensional motion control and the like is realized through the PC client side, wherein each module can be used as independent equipment; the modules are communicated through the CAN bus; and the USB-CAN module and the PC are communicated through a USB line.

Description

technical field [0001] The invention relates to the technical field of network and communication, in particular to a CAN bus communication method and structure. Background technique [0002] The automatic coagulation analyzer includes a blood sample delivery module, a reagent position management module, a test cup delivery module, a detection module, a three-dimensional motion module, and a gas-liquid circuit module. The main function of the communication system is to connect each module to form a communication network, combined with the mechanical structure, and send different command combinations through the PC to realize the entire workflow control and monitoring of the coagulation analyzer. With the continuous improvement of the automation of the coagulation analyzer, a large amount of data needs to be exchanged and processed between various modules during the working process, so the performance of the communication system directly affects the working efficiency of the c...

Claims

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Application Information

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IPC IPC(8): H04L12/40
CPCH04L12/40019H04L12/40143H04L12/4015H04L12/40169H04L2012/40215
Inventor 娄小平路和生贺庆董明利祝连庆刘超潘志康
Owner BEIJING INFORMATION SCI & TECH UNIV
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