CN203366157U - Fuzzy PID (Proportion Integration Differentiation) control water temperature adjustment system - Google Patents
Fuzzy PID (Proportion Integration Differentiation) control water temperature adjustment system Download PDFInfo
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- CN203366157U CN203366157U CN 201320468642 CN201320468642U CN203366157U CN 203366157 U CN203366157 U CN 203366157U CN 201320468642 CN201320468642 CN 201320468642 CN 201320468642 U CN201320468642 U CN 201320468642U CN 203366157 U CN203366157 U CN 203366157U
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Abstract
The utility model discloses a fuzzy PID (Proportion Integration Differentiation) control water temperature adjustment system. The system includes a temperature testing module, a microprocessor module, a relay module, a heating module, a display module, a temperature setting module, a power supply module and a water tank. At work, the system compares current water temperature with water temperature set by a user without stop, adopts fuzzy control to perform quick heating when difference is relatively large, and adopts PID control to perform accurate heating when difference is relatively small. The fuzzy PID (Proportion Integration Differentiation) control water temperature adjustment system has the advantages of simple and convenient design, small lag and fast response speed, and during heating, temperature transition is smooth and steady, and fluctuation is relatively small.
Description
Technical field
The utility model belongs to water temperature and regulates control field, relates in particular to the water temperature regulating system that a kind of fuzzy is controlled.
Background technology
Temperature control problem is running through all trades and professions, can promptly and accurately to temperature, carry out controlling and becoming the major issue that all trades and professions need to solve in real time.It is a large time delay that water temperature is controlled, become when slow, nonlinear complication system, at present general water temperature regulating system adopts PID to control, complicacy due to temperature control system topworks, the reason such as non-linear between variable, find one group to be applicable to the pid parameter difficult that whole system is controlled on a large scale, carry out on this basis water temperature governing response speed slow, lag behind large, lack accuracy and stationarity.
The utility model content
Technical problem to be solved in the utility model is the defect for above-mentioned technical background, provide a kind of steadily, fuzzy is controlled fast, accurately water temperature regulating system.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
The water temperature regulating system that a kind of fuzzy is controlled, comprise temperature measurement module, microprocessor module, relay module, heating module, display module, Temperature Setting module, power module and water tank, wherein heating module is connected with water tank respectively with temperature measurement module, relay module and heating module are electrically connected, temperature measurement module, relay module, display module, Temperature Setting module are electrically connected with microprocessor module respectively, and temperature measurement module, microprocessor module, relay module, heating module, display module are electrically connected with power module respectively.
As the further prioritization scheme of the utility model, described temperature measurement module sensor adopts digital sensor DS18B20.
As the further prioritization scheme of the utility model, described microprocessor module adopts the STC89C52 chip.
As the further prioritization scheme of the utility model, described display module adopts 1602 liquid crystal display.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
The utility model adopts the fuzzy control program aspect control, adopts fuzzy control when temperature deviation is larger, fast response time, and dynamic property is good, when hour employing PID control of temperature deviation, makes its static properties good, meets the system control accuracy.
Adopt digital sensor DS18B20 simultaneously, without analog to digital converter, the possibility of having avoided simulating signal to be disturbed.
In addition, the single-chip microcomputer cost that native system adopts is extremely low, and versatility is good, easy to utilize.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
As shown in Figure 1, the utility model has been announced the water temperature regulating system that a kind of fuzzy is controlled, comprise temperature measurement module, microprocessor module, relay module, heating module, display module, the Temperature Setting module, power module and water tank, wherein heating module is connected with water tank respectively with temperature measurement module, relay module and heating module are electrically connected, temperature measurement module, relay module, display module, the Temperature Setting module is electrically connected with microprocessor module respectively, temperature measurement module, microprocessor module, relay module, heating module, display module is electrically connected with power module respectively.
Fig. 2 is hardware circuit diagram of the present utility model.Wherein, a, b, c, the button that d is stand-alone keypad, for set temperature value.The temperature measurement module sensor adopts digital transducer DS18B20, and microprocessor module adopts the single-chip microcomputer STC89C52 of Taiwan macrocrystalline company, and LCD MODULE adopts 1602 liquid crystal display.Heating module adopts resistance heated rod R heating.The water temperature that at first system will be controlled by the artificial setting of stand-alone keypad, temperature sensor DS18B20 is sent to STC89C52 by the temperature information collected, single-chip microcomputer is compared this temperature with set temperature value, according to the fuzzy control of temperature deviation choice for use or PID control method, by the heating of Control heating module, and current temperature value is shown on 1602.
Due to each hardware module chip supply voltage used need not, therefore adopting 24V and 5V direct current is chip power supply, the 220V alternating current is controlled water temperature for heating module.24V is for partly powering to Control, and 5V is for powering to temperature measurement module, microprocessor module and LCD MODULE.
The utility model discloses the water temperature regulating system that a kind of fuzzy is controlled, than single Fuzzy control system or single PID regulating system, better control performance is arranged.Adopt the design of the hardware such as single-chip microcomputer, digital temperature sensor, 1602 liquid crystal display to reduce costs, can realize preferably the control to water temperature simultaneously.
Claims (4)
1. the water temperature regulating system that a fuzzy is controlled, it is characterized in that: comprise temperature measurement module, microprocessor module, relay module, heating module, display module, the Temperature Setting module, power module and water tank, wherein heating module is connected with water tank respectively with temperature measurement module, relay module and heating module are electrically connected, temperature measurement module, relay module, display module, the Temperature Setting module is electrically connected with microprocessor module respectively, temperature measurement module, microprocessor module, relay module, heating module, display module is electrically connected with power module respectively.
2. the water temperature regulating system that a kind of fuzzy according to claim 1 is controlled is characterized in that: described temperature measurement module sensor adopts digital sensor DS18B20.
3. the water temperature regulating system that a kind of fuzzy according to claim 1 is controlled is characterized in that: described microprocessor module adopts the STC89C52 chip.
4. the water temperature regulating system that a kind of fuzzy according to claim 1 is controlled, it is characterized in that: described display module adopts 1602 liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320468642 CN203366157U (en) | 2013-08-02 | 2013-08-02 | Fuzzy PID (Proportion Integration Differentiation) control water temperature adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320468642 CN203366157U (en) | 2013-08-02 | 2013-08-02 | Fuzzy PID (Proportion Integration Differentiation) control water temperature adjustment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203366157U true CN203366157U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320468642 Expired - Fee Related CN203366157U (en) | 2013-08-02 | 2013-08-02 | Fuzzy PID (Proportion Integration Differentiation) control water temperature adjustment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203366157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948310A (en) * | 2014-04-03 | 2014-07-30 | 华南理工大学 | PID (Proportion Integration Differentiation) algorithm-based instant heating type kettle control circuit and control method |
| CN104460764A (en) * | 2014-11-28 | 2015-03-25 | 广东工业大学 | Extruder cylinder temperature control method based on pseudo removal control type fuzzy PID |
-
2013
- 2013-08-02 CN CN 201320468642 patent/CN203366157U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948310A (en) * | 2014-04-03 | 2014-07-30 | 华南理工大学 | PID (Proportion Integration Differentiation) algorithm-based instant heating type kettle control circuit and control method |
| CN103948310B (en) * | 2014-04-03 | 2016-01-06 | 华南理工大学 | Based on Instant heating type kettle control circuit and the control method of pid algorithm |
| CN104460764A (en) * | 2014-11-28 | 2015-03-25 | 广东工业大学 | Extruder cylinder temperature control method based on pseudo removal control type fuzzy PID |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20150802 |
|
| EXPY | Termination of patent right or utility model |