CN102063138A - Tire vulcanization high-temperature circulating water temperature control - Google Patents
Tire vulcanization high-temperature circulating water temperature control Download PDFInfo
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- CN102063138A CN102063138A CN2010105727777A CN201010572777A CN102063138A CN 102063138 A CN102063138 A CN 102063138A CN 2010105727777 A CN2010105727777 A CN 2010105727777A CN 201010572777 A CN201010572777 A CN 201010572777A CN 102063138 A CN102063138 A CN 102063138A
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Abstract
The invention provides tire vulcanization high-temperature circulating water temperature control. The main technical characteristic is that: vapor which enters a reactor and steam of tap water are controlled by a valve, so that the temperature of circulating water which flows through the reactor is controlled; the temperature of high-temperature circulating water is acquired by a thermistor PT100; controlled quantity is output by performing fuzzy computation on the acquired value through a programmable logic controller (PLC); the thermistor PT100 is used as a temperature sensor; a signal is amplified by a high-precision amplifier AD620; and when the temperature changes, voltage amplified by the amplifier is transmitted to an analog/digital (A/D) conversion chip, so that resistance of the thermistor is converted into a numerical value. The control has the advantages of stably regulating temperature variation, along with good control effect. The tire vulcanization high-temperature circulating water temperature can be controlled constantly and can be manually adjusted on line through keys, so that stability, precision and practicability of a running system are realized.
Description
Technical field
The invention belongs to a kind of temperature control system, particularly a kind of tyre vulcanization high temperature circulation coolant-temperature gage control system.
Background technology
Tire vulcanization process is last procedure of tire production ground, deoxygenation high temperature circulation water is one of important medium of tyre vulcanization, sulfidation is higher to the temperature and pressure index request of medium, need accurately, the temperature of stable control high temperature circulation water is though traditional PID control has response soon, the precision advantages of higher, but PID control exists self-adaptation poor, easily produces the shortcoming of overshoot concussion.
Summary of the invention
The objective of the invention is the deficiency that exists in the above-mentioned technology, a kind of tyre vulcanization high temperature circulation coolant-temperature gage control is provided.Adopt PID control and fuzzy control to combine, the temperature control method of a kind of tyre vulcanization high temperature fuzzy algorithm of controlling for tyre vulcanization high temperature circulation coolant-temperature gage.
The object of the present invention is achieved like this: by sensor, and the PLC controller, valve is formed.It is characterized in that, control the vapour amount of the water vapor and the tap water that enter reactor with valve, the temperature of reactor cycles water thereby control is flowed through, the operative employee is by pressing the key assignments running parameter, by the temperature that thermal resistance PT100 gathers high temperature circulation water, the collection value is carried out Fuzzy Calculation through the PLC controller, the output controlled quentity controlled variable, electrically operated valve is according to output controlled quentity controlled variable regulated quantity, and display screen shows actual temperature value and parameter simultaneously.Adopt thermal resistance PT100 as temperature sensor, but the electric quantity signal of its output is very little, therefore utilizes high-precision amplifier AD620 that signal is amplified, when temperature variation, the voltage that amplifier amplifies is defeated by the A/D conversion chip, changes numerical quantities into thereby the resistance of thermal resistance grabbed.
The fuzzy control system is made up of PID system and Fuzzy control system two parts.Fuzzy controller is by fuzzy reasoning, according to different sum of errors error rates, and three parameters of online in real time revision PID.Thereby formulate the controller parameter adjustment amount.
Advantage of the present invention is that employing fuzzy constant temperature system is more steady to the adjusting of temperature variation, has shown excellent control effect.Can not only also can carry out online manual shift to the thermostatic control of tyre vulcanization high temperature circulation coolant-temperature gage, control respond wellly, realize stability, accuracy and the practicality of operational system by button.
Description of drawings:
Fig. 1: PID fuzzy algorithm controller system composition frame chart
Fig. 2: system hardware structure figure
Fig. 3: temperature measurement circuit figure
Embodiment:
Below in conjunction with accompanying drawing present embodiment is described further:
As Fig. 1, Fig. 2, Fig. 3 controls the vapour amount of the water vapor and the tap water that enter reactor with valve as can be known, thereby controls the temperature of the reactor cycles water of flowing through, the operative employee is by pressing the key assignments running parameter, by the temperature that thermal resistance PT100 gathers high temperature circulation water, the collection value is carried out Fuzzy Calculation through the PLC controller, the output controlled quentity controlled variable, electrically operated valve is according to output controlled quentity controlled variable regulated quantity, and display screen shows actual temperature value and parameter simultaneously.Adopt thermal resistance PT100 as temperature sensor, but the electric quantity signal of its output is very little, therefore utilizes high-precision amplifier AD620 that signal is amplified, when temperature variation, the voltage that amplifier amplifies is defeated by the A/D conversion chip, changes numerical quantities into thereby the resistance of thermal resistance grabbed.
The fuzzy control system is made up of PID system and Fuzzy control system two parts.Fuzzy controller is by fuzzy reasoning, according to different sum of errors error rates, and three parameters of online in real time revision PID.Thereby formulate the controller parameter adjustment amount.
Claims (1)
1. tyre vulcanization high temperature circulation coolant-temperature gage control, by sensor, the PLC controller, valve is formed, it is characterized in that, control the vapour amount of the water vapor and the tap water that enter reactor with valve, the temperature of reactor cycles water thereby control is flowed through, the operative employee is by pressing the key assignments running parameter, gather the temperature of high temperature circulation water by thermal resistance PT100, the collection value is carried out Fuzzy Calculation through the PLC controller, the output controlled quentity controlled variable, electrically operated valve is according to output controlled quentity controlled variable regulated quantity, display screen shows actual temperature value and parameter simultaneously, adopt thermal resistance PT100 as temperature sensor, but the electric quantity signal of its output is very little, therefore utilize high-precision amplifier AD620 that signal is amplified, when temperature variation, the voltage that amplifier amplifies is defeated by the A/D conversion chip, thereby the resistance of thermal resistance is changed into numerical quantities, the fuzzy control system is made up of PID system and Fuzzy control system two parts, fuzzy controller is to pass through fuzzy reasoning, according to different sum of errors error rates, three parameters of online in real time revision PID, thus formulate the controller parameter adjustment amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105727777A CN102063138A (en) | 2010-12-04 | 2010-12-04 | Tire vulcanization high-temperature circulating water temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105727777A CN102063138A (en) | 2010-12-04 | 2010-12-04 | Tire vulcanization high-temperature circulating water temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102063138A true CN102063138A (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105727777A Pending CN102063138A (en) | 2010-12-04 | 2010-12-04 | Tire vulcanization high-temperature circulating water temperature control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019273A (en) * | 2012-12-20 | 2013-04-03 | 山东金宇实业股份有限公司 | Temperature control device of vulcanizing machine |
| CN106292766A (en) * | 2016-10-24 | 2017-01-04 | 中国科学院上海应用物理研究所 | A kind of big thermal inertia working medium loop apparatus Temperature Fuzzy Control method and system |
-
2010
- 2010-12-04 CN CN2010105727777A patent/CN102063138A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019273A (en) * | 2012-12-20 | 2013-04-03 | 山东金宇实业股份有限公司 | Temperature control device of vulcanizing machine |
| CN103019273B (en) * | 2012-12-20 | 2015-11-25 | 山东金宇实业股份有限公司 | A kind of vulcanizer temperature control equipment |
| CN106292766A (en) * | 2016-10-24 | 2017-01-04 | 中国科学院上海应用物理研究所 | A kind of big thermal inertia working medium loop apparatus Temperature Fuzzy Control method and system |
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Application publication date: 20110518 |