Semimicro phase equilibrium system controller

A technology of system controller and phase balance, which is applied in the direction of auxiliary controller with auxiliary heating device and temperature control using electric mode, which can solve the problems of low degree of automation, low precision of temperature control and low precision of temperature detection, etc. Achieve high-precision detection and adjustment, uniform heating effect

Inactive Publication Date: 2015-11-11
CHANGAN UNIV
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Problems solved by technology

The existing semi-micro phase equilibrium chemical reaction device is mainly controlled manually, which has the following disadvantages: low temperature detection accuracy, low temperature control accuracy and low degree of automation

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  • Semimicro phase equilibrium system controller

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Embodiment Construction

[0036] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0037] see figure 1 , the semi-micro phase balance system controller of the present invention mainly includes: temperature detection circuit, temperature setting circuit, photoelectric coupling circuit, heating drive circuit, stirring motor drive circuit, A / D voltage acquisition circuit, liquid crystal display interface circuit, power supply A power supply circuit and a core processing unit circuit. The invention uses STC12C5A60S2 single-chip microcomputer as the core processing element, closely cooperates with each part of the functional circuit to realize the automatic detection and adjustment of the temperature in the container of the semi-micro phase balance system, and realizes that the temperature in the container can be at a certain temperature of 15-60 degrees by direct current heating The point constant temperature remains stable for 48 hour...

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Abstract

The invention provides a semimicro phase equilibrium system controller which mainly comprises a temperature detection circuit, a temperature setting circuit, a photoelectric coupling circuit, a heating drive circuit, a stirring motor drive circuit, an A / D voltage acquisition circuit, a liquid crystal display interface circuit and a central processing unit circuit. According to the invention, the temperature detection circuit is used to acquire the actual temperature in a semimicro phase equilibrium system reaction vessel; a temperature set value is compared with the actual temperature value; a control algorithm is used to acquire the control amount of the heating drive circuit; the controller can meet the requirements of environment temperature accuracy and uniformity of the semimicro phase equilibrium system reaction vessel; measurement and control of the semimicro phase equilibrium reaction vessel are digital and automatic; parameters which reflect an environment are accurate and stable.

Description

technical field [0001] The invention relates to a semi-trace phase balance and extraction balance experimental device, in particular to a semi-trace phase balance system controller. Background technique [0002] Semi-microanalysis is a relatively common analysis method, which is between microanalysis and constant analysis. From the perspective of protecting the living environment of human beings and saving energy and resources, chemists are required to design experiments and experimental techniques with the concept of green chemistry. In the process of separation and purification of rare, dilute and precious metals, the phase equilibrium of the solution and the equilibrium of multiphase extraction are often encountered, and the semi-micro analysis method is often used in chemical experiments. [0003] At present, the domestic semi-microphase equilibrium chemical reaction device is composed of organic glass carrier, micro AC motor, self-made balance tube, micro relay, thermo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/32
Inventor 王会峰赵雪丹李淑妮胡敏芳王晓艳
Owner CHANGAN UNIV
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