Full-automatic biochemistry instrument heated culture automatic temperature control equipment and temperature control method

An automatic controller, biochemical instrument technology, applied in the direction of temperature control, temperature control by electric means, biochemical equipment and methods, etc. The effect of measurement accuracy and reliability, strong anti-interference ability, and high control accuracy

Inactive Publication Date: 2008-06-04
AUTOMATION RES & DESIGN INST OF METALLURGICAL IND
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The controlled object has the characteristics of nonlinearity, time-delay, and time-varying. The conventional proportional-integral regulating controller cannot achieve a good control effect, and the single-point temperature measurement cannot accurately reflect the ambient temperature of the reactant.

Method used

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  • Full-automatic biochemistry instrument heated culture automatic temperature control equipment and temperature control method
  • Full-automatic biochemistry instrument heated culture automatic temperature control equipment and temperature control method

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Embodiment Construction

[0023] The accompanying drawings and implementation of the digital temperature control system of the present invention are as follows in detail:

[0024] Implementation of the digital temperature control system of the present invention: the automatic temperature controller and its connected device are shown in Figure 1, including: the rotating part 1 of the aluminum circular mechanical turntable and the mechanical shaft 3 connected thereto, and the fixed part 2 of the mechanical turntable . 60 identical test tubes 5 are placed on the rotating part 1 of the mechanical turntable, and are evenly distributed on the rotating part 1 of the turntable in two rows. Reactants in test tubes. The electrothermal film wire 4 is located in the middle of the fixed part of the mechanical turntable. The digital temperature sensor 6 is respectively installed in the fixed part of the mechanical turntable, in the cavity and in the biochemical analyzer. The upper computer is connected with the a...

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Abstract

The present invention provides automatic temperature controller and control method for automatic biochemical instrument. The automatic temperature control method includes the multiple point temperature measurement with digital temperature sensors connected directly with monochip computer; and controlling the pulse width of pulse width modulating circuit with the feedforward and self-tuning proportional integral controller and through the D / A converter to control the output heating power finally. The automatic temperature controller includes digital thermometering circuit, monochip computer circuit, D / A converter circuit, pulse width modulating circuit, power amplifier circuit, Buck converter circuit and serial interface chip. The present invention sets and displays temperature in the upper computer by means of the communication between the upper computer and the monochip computer.

Description

technical field [0001] The invention belongs to the technical field of temperature control of biochemical instruments, and in particular provides an automatic controller and control method for the incubation temperature of a fully automatic biochemical instrument, which is suitable for digital temperature control of the incubation of a fully automatic biochemical instrument with macromolecular immune reaction. technical background [0002] When the labeled antigen is immunoreacted with the antibody, the reaction temperature needs to be precisely controlled. The change of temperature has a great impact on the accuracy of antibody measurement. Therefore, it is necessary to control the temperature of the mechanical carrier for the incubation reaction and the reaction environment temperature Precise control. [0003] The incubation reaction of the automatic biochemical instrument is carried out on the rotating mechanical turntable. The mechanical turntable is divided into two p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/00G05D23/19G05G15/02G01N33/48C12Q1/00
Inventor 房庆海石志学
Owner AUTOMATION RES & DESIGN INST OF METALLURGICAL IND
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