Mixed type control system of full-automatic biochemical analyzer

A biochemical analyzer and control system technology, applied in the field of medical devices, can solve problems such as low communication capability, poor system reliability, and difficult software programming, and achieve the effects of simplifying programming, simplifying production processes, and facilitating troubleshooting

Inactive Publication Date: 2011-05-25
DIRUI MEDICAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a hybrid control system for a fully automatic biochemical analyzer to solve the problems of low communication capabilit

Method used

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  • Mixed type control system of full-automatic biochemical analyzer
  • Mixed type control system of full-automatic biochemical analyzer
  • Mixed type control system of full-automatic biochemical analyzer

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Embodiment Construction

[0012] The system includes an upper computer 1, an intermediate computer 2, a sample station module 3, and one to four analysis modules 4. The control system is composed of several nodes, and these nodes are: an upper computer node 1, an intermediate computer node 2, Sample injection control node 3-1, sample recovery control node 3-2, water intake and drainage and power supply control node 3-3, sample transport control node 4-1, reaction plate control node 4-2, sample sampling control node 4-3 , photoelectric data acquisition node 4-4, reagent 1 sampling control node 4-5, reagent 2 sampling node control 4-6, refrigeration control node 4-7, circulating water temperature control node 4-8. Each node completes its own relatively independent control function. The upper computer and the middle computer are connected through Ethernet. The other nodes except the upper computer node are composed of CAN-BUS controller local area network. The middle computer receives and analyzes the test...

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Abstract

The invention relates to a mixed type control system of a full-automatic biochemical analyzer, belonging to the technical field of medical instruments. The mixed type control system provided by the invention comprises an upper computer, a middle computer, a sample table module and an analysis module, wherein each node finishes own relatively independent task; the upper computer is connected with the middle computer through an Ethernet; the residual nodes except the node of the upper computer form a controller local area network through a CAN (Controller Area Network)-BUS; and the middle computer can be connected with photoelectric data acquisition nodes through RS-232C on as many as 8 paths. By arranging different control nodes according to the function unit of the full-automatic biochemical analyzer, the programming of each control node can be simplified, and each node can autonomously decide to finish the task, thereby enhancing the real-time response capability of each control node; the failure of signal node does not influence the control of other nodes and is beneficial to the elimination of the failure and the simplification of the production process; the data information and the control information are separately transmitted, thereby enhancing the communication efficiency of the system; and the mixed type control system provided by the invention is convenient for the expansion of analysis modules and simplifies the comprehensive wiring in the instrument.

Description

technical field [0001] The invention belongs to the technical field of medical equipment, and in particular relates to a control system of a fully automatic biochemical analyzer. Background technique [0002] Biochemical analyzer is an instrument used to detect and analyze life chemical substances, and provides information basis for clinical diagnosis, treatment, prognosis and health status of diseases. The automatic biochemical analyzer is to automatically run the steps of sampling, mixing, incubation (37°C) detection, result calculation, judgment, display and printing results and cleaning in the original manual operation. Fully automatic biochemical analyzers are developing towards high-speed modularization, and more sensors, actuators and controllers are applied. There is a close inherent relationship between the actions of actuators, which puts forward higher requirements for its control system. The traditional main The slave control method is generally based on serial ...

Claims

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Application Information

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IPC IPC(8): G01N33/50
Inventor 宋洁刘寒冰汪博
Owner DIRUI MEDICAL TECH CO LTD
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