Lower machine of capillary-type blood viscosity analyzer

A blood viscosity and capillary technology, which is applied in the direction of instruments, scientific instruments, flow characteristics, etc., can solve the problems of low control accuracy, susceptibility to interference, difficulty in meeting functions and rapid detection requirements, etc., to simplify hardware circuits and improve communication speed , Improve the effect of control accuracy and reliability

Inactive Publication Date: 2012-05-30
SHANGHAI ANCAI INTELLIGENT TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The early U-shaped capillary hemorheometer adopts the control structure of the PCI acquisition card with RS232 communication. This method has the disadvantages of easy interference and low control accuracy under the Windows multi-tasking operating system.
Although the existing U-shaped capillary blood rheometer has abandoned the PCI acquisition card method, it still uses the RS232 interface, and its communication rate is only 115200bps, which is difficult to meet the increasingly rich functions and rapid detection requirements

Method used

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  • Lower machine of capillary-type blood viscosity analyzer
  • Lower machine of capillary-type blood viscosity analyzer
  • Lower machine of capillary-type blood viscosity analyzer

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Experimental program
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Embodiment Construction

[0016] The present invention will be further described below in combination with the principle diagram and specific operation embodiments.

[0017] Such as figure 1 As shown, the lower computer of the capillary blood viscometer of the present invention includes a measurement module 1, a sampling module 2, a drive module 3, a power supply module 4, and a control module 5. The measurement module 1 includes a U-shaped capillary glass tube, a sampling mechanism, and a layout mechanism , Air channel, sampling needle and turntable. The drive module 3 includes a motor and solenoid valve. The control module 5 drives the measurement module 1 to perform measurement by controlling the drive module. The measurement results are fed back to the control module 5 through the sampling module 2. The driving voltage of drive module 3 is completed by an adjustable voltage low-dropout voltage regulator. Power supply module 4 uses two commonly used low-dropout voltage regulators LM2575ADJ to obtain +3....

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Abstract

The invention discloses a lower machine of a capillary-type blood viscosity analyzer. The lower machine comprises a measurement module, a sampling module, a driving module, a power supply module and a control module. The measurement module comprises a U-shape capillary glass tube, a sample introduction mechanism, a sample discharge mechanism, an air duct, a sampling needle and a turntable; the driving module comprises a motor and a solenoid valve; the control module controls the driving module to drive the measurement module to carry out measurement work; and a measured result is fed back to the control module. The invention utilizes extremely abundant resource of a one-chip microcomputer C8051F340 to simplify a hardware circuit of the lower machine of a rheogeniometer to the most; and USB communication is employed to realize communication with an upper machine, so as to increase communication speed of the upper machine and the lower machine of the rheogeniometer as well as further enhance control precision and reliability of a system.

Description

Technical field [0001] The invention relates to a medical testing instrument, in particular to a capillary blood viscometer lower unit. Background technique [0002] Hemorheology is a discipline that studies the deformation of blood cells in the blood and the influence of plasma fluidity on blood flow. Many studies at home and abroad have shown that blood rheology indicators are highly correlated with the occurrence of cardiovascular and cerebrovascular diseases. By studying the relationship between blood rheology indicators and the pathogenesis of cardiovascular and cerebrovascular diseases, the prevention of such diseases can be further studied. , Diagnosis and treatment have become a hot spot in the field of biomedical engineering and medical research. As an important index of hemorheology, blood viscosity has important reference significance for medical research and clinical diagnosis. [0003] Hemorheology meter is an instrument for measuring blood viscosity. There are two m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N11/00
Inventor 朱明焕
Owner SHANGHAI ANCAI INTELLIGENT TECH
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