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An intelligent heating control card for adaptively adjusting power output and its control method

A technology of self-adaptive adjustment and power output, applied in auxiliary controllers with auxiliary heating devices, temperature control using digital devices, temperature control using electric methods, etc., which can solve the problems of poor stability and high cost of temperature control systems , to achieve the effect of convenient installation and debugging, lower equipment control costs and less investment

Active Publication Date: 2020-01-07
史先桂
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides an adaptively adjustable power output intelligent heating control card and its control method to solve the problems of high cost and poor stability of the temperature control system in the prior art

Method used

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  • An intelligent heating control card for adaptively adjusting power output and its control method
  • An intelligent heating control card for adaptively adjusting power output and its control method
  • An intelligent heating control card for adaptively adjusting power output and its control method

Examples

Experimental program
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Effect test

Embodiment

[0079] Example: heating power rating = 1000 watts, power setting value = 400, measured voltage V = 222V, measured power P = 900 watts, ambient temperature T = 15 degrees.

[0080] Adaptive adjustment of calculated power output

[0081] =1000*400*220*220 / (222*222*900)+(25-15)*1.5=436+15=451.

[0082] Results of two temperature control methods with adaptive adjustment

[0083] 1) Set value = 400 with adaptive adjustment time control ratio output 451, the actual output heating power is 400 watts.

[0084] 2) Set value = 400 with self-adaptive adjustment PWM power adjustment output temperature control, this method first converts 451 into 0-10V (corresponding to 0-1000 input linear relationship) analog 4.51V input through computer look-up table method to find out the corresponding Power output, control and trigger the SCR conduction angle, so that the actual output heating power is 400 watts.

[0085] Through the above related algorithm, under the condition of certain set power,...

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Abstract

The invention discloses an adaptive power output regulating intelligent heating control card and a control method thereof, wherein the card and the control method thereof relate to the field of temperature control technology. The control card comprises the components of 16 silicon controlled rectifier output ends, a current transformer, a voltage transformer, a temperature sensor and a microprocessor, wherein the 16 silicon controlled rectifier output ends, the current transformer, the voltage transformer, the temperature sensor and the microprocessor are photoelectrically isolated. Accordingto the adaptive power output regulating intelligent heating control card and the control method thereof, through acquiring related variables of actual power, power supply voltage and ambient temperature change at each heating control point, through a related algorithm, on the condition of certain preset power, the power output of the temperature control point is automatically regulated so that actually output heating power is same with the preset power and accurate temperature controlling is realized. The adaptive power output regulating intelligent heating control card and the control methodthereof have advantages of low investment, simple structure, high reliability, high stability and high convenience in mounting and debugging.

Description

technical field [0001] The invention relates to the technical field of temperature control, in particular to an intelligent heating control card for adaptively adjusting power output and a control method thereof. Background technique [0002] Traditional temperature control mostly adopts the PID closed-loop control method in which thermocouples collect on-site temperature feedback. This temperature control method is suitable for the situation where there are not many temperature control points and the wiring is not complicated. Using this method for a large number of temperature control points is not only costly, but also a large number of thermocouples. It is difficult to ensure that the thermocouple detection will not be interfered by strong electricity if it is installed and wired together with strong electricity. Interference at any time will make the entire temperature control system very unstable. The main reasons affecting the stability of temperature control are the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/32
CPCG05D23/1917G05D23/32
Inventor 史先桂孔德奎朱云峰凌士明丁铂金孙磊周玉龙
Owner 史先桂
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