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Temperature control system and control method based on dsp and temperature sensor control

A technology of temperature control system and temperature sensor, which is applied in the direction of temperature control by electric means, auxiliary controller with auxiliary heating device, etc., can solve problems such as technical difficulty and complexity, reduce cost, avoid temperature misjudgment, temperature and the effect of real-time monitoring of heating heat flow

Inactive Publication Date: 2017-02-01
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

In addition, in addition to the demand for isothermal control of equipment or products, there is also a demand for isothermal control, that is, within a certain period of time, the heating provided by the equipment is constant, and its technical difficulty is more complicated than that of isothermal heating.

Method used

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  • Temperature control system and control method based on dsp and temperature sensor control
  • Temperature control system and control method based on dsp and temperature sensor control
  • Temperature control system and control method based on dsp and temperature sensor control

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Embodiment Construction

[0021] The present invention will be further described in detail below with reference to the accompanying drawings.

[0022] Taking DSP TMS320 LF2407 as the control core, the multi-point temperature sensor is used to collect and average the feedback signal, and the feedback signal is compared with the user preset control value, and the heating temperature or heating heat flow is determined within a certain control accuracy range. These two heating methods are automatically controlled, and have functions such as input setting of temperature and heat flux density, real-time monitoring of temperature and heat flux, and recording of heating power.

[0023] Isothermal control system: using 220V AC power input, the AD (digital-to-analog) module port of the DSP processor processes the temperature signal collected by the temperature sensor, compares the temperature signal with the input value of the control parameter input device, and generates a feedback signal to the DSP to control t...

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Abstract

The invention discloses a temperature control system based on a data signal processor (DSP) and temperature sensor control and a control method thereof, and belongs to the technical field of temperature control. When isothermal heating control is adopted, the system comprises the DSP, a power supply, a temperature sensor, a control parameter input device and a parameter output recording controller. When heat flux heating control is adopted, a pulse width converter is additionally arranged on the basis of the original system. According to the temperature control system, temperature and heat flux density input setting is taken into consideration, and the functions of monitoring temperature of a controlled object and heating flux in real time and recording heating power are achieved.

Description

technical field [0001] The invention relates to a temperature control system based on DSP (digital signal processor) and temperature sensor control and a control method thereof, belonging to the technical field of temperature control. Background technique [0002] Heating systems and their temperature control systems are widely used in a variety of different equipment. For example, heating and temperature control systems are required in single crystal furnaces, annealing furnaces, electric ovens, heat treatment furnaces and other equipment. The production and processing technology of the product requires the temperature of the heating system to be controlled within a certain range. The precise temperature control range guarantees the qualified rate of the product. The controlled heating equipment should not only be controlled during the process of temperature rise, but also automatically feedback information to the heating equipment after reaching the set temperature value...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/30
Inventor 张潼江驹于兵单勇
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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