CN208013808U - A kind of boiler thermostatic control system based on PLC - Google Patents
A kind of boiler thermostatic control system based on PLC Download PDFInfo
- Publication number
- CN208013808U CN208013808U CN201820453219.0U CN201820453219U CN208013808U CN 208013808 U CN208013808 U CN 208013808U CN 201820453219 U CN201820453219 U CN 201820453219U CN 208013808 U CN208013808 U CN 208013808U
- Authority
- CN
- China
- Prior art keywords
- module
- plc
- boiler
- temperature
- water temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Temperature (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model provides a kind of boiler thermostatic control system based on PLC, including：Temperature data acquisition module, human-computer interaction module, PLC system module, state indicator module, alarm module and equipment run module.Temperature data acquisition module includes temperature sensor, for acquiring boiler water temperature in real time, and gives the signal transmission of acquisition to PLC system module.Human-computer interaction module is connected with PLC system module, and setting boiler water temperature angle value may be implemented, and can show setting value and display boiler water temperature.Equipment operation module includes electric heater unit, water supply pump, PLC system module output order control electric heater unit and water supply pump.When boiler water temperature is not equal to setting value, PLC system starts alarm module.State indicator module includes system running indicator, heating lamp and cooling indicator light, display system status.The utility model controls boiler water temperature by PLC, and keeps the temperature at setting value.
Description
Technical field
The utility model is related to monitor and alarm field, and in particular to a kind of boiler thermostatic control system based on PLC.
Background technology
Temperature is one of common control object in industrial production, and temperature controlled quality directly affects good product quality
It is bad.Boiler control system can be widely applied to the sterility tests mistakes such as plant culture, breeding experiment, drug, weaving, food processing
Journey, industrial circle be generally used for electron and electrician, household electrical appliance, automobile, instrument and meter, electronic chemical, parts, raw material and
Coating, coating and carry out high/low temperature, the experimentations such as high low humidity.Therefore it realizes that boiler constant temperature automatically controls, can get full
The control effect that sufficient Industry Control requires can reduce regulating time, improve production efficiency.
Programmable controller (Programmable Controller, abbreviation PLC) is the PLC based on microprocessor
The not only control function with traditional relay control system, but also input/output module can be extended, it can especially extend one
A little intelligent control modules, the analog quantity of the consecutive variations such as control temperature, pressure, flow.For the requirement of boiler constant temperature, use
The thermostatic control of boiler may be implemented based on the temperature control system that PLC is core.
Utility model content
The purpose of this utility model is to provide a kind of boiler thermostatic control system based on PLC, can detect hot water in real time
Case water temperature and the switch for controlling electric heater unit or water supply pump in time realize that boiler water temperature is automatically controlled and kept the temperature at
Setting value.Boiler water temperature can be adjusted flexibly to adapt to production requirement.
To achieve the above object, the utility model uses a kind of boiler thermostatic control system based on PLC, system packet
It includes：Temperature data acquisition module, human-computer interaction module, PLC system module, state indicator module, alarm module and equipment operation
Module.
Temperature data acquisition module includes temperature sensor, for acquiring boiler water temperature in real time, and by the signal of acquisition
It is transferred to PLC system module.
Human-computer interaction module is connected with PLC system module, setting boiler water temperature angle value may be implemented, and can show setting
Value and display boiler water temperature.
Equipment operation module includes electric heater unit, water supply pump, PLC system module output order control electric heater unit and
Water supply pump.
Alarm module is connected with PLC system module, when boiler coolant-temperature gage is not equal to setting value, the output of PLC system module
Control instruction starts alarm module.
State indicator module includes system running indicator, heating lamp and cooling indicator light, for showing boiler
Working condition residing for thermostatic control system.
Preferably, the temperature sensor uses pt100 thermal resistance sensors.
Preferably, the PLC system module uses S7-200CPU226 models PLC.
Preferably, alarm module uses buzzer siren.
Preferably, human-computer interaction module uses Keysheet module, digital display tube 1 and digital display tube 2, digital display tube
1 display set temperature, digital display tube 2 show the real-time water temperature in boiler.
The utility model has the advantages that：The utility model provides a kind of boiler thermostatic control system based on PLC, with temperature
Degree sensor can detect boiler water temperature in real time, and can control the switch of electric heater unit or water supply pump, realize boiler water temperature
It automatically controls and keeps the temperature at setting value.Boiler water temperature can be adjusted flexibly to adapt to production requirement.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific implementation mode
As shown in Figure 1, a kind of boiler thermostatic control system based on PLC, including temperature data acquisition module, man-machine friendship
Mutual module, PLC system module, state indicator module, alarm module and equipment run module.
Boiler thermostatic control system is based on PLC and realizes control temperature function.Thermostatic control system by electric heater unit,
Water supply pump sets numerical value to control some of the temperature in boiler between 20~80 DEG C.Digital display tube 1 and digital-scroll technique
Pipe 2 is respectively used to display set temperature value and shows water temperature angle value in boiler.When water temperature angle value is warm less than setting in boiler
When angle value, alarms and start electric heater unit heating water temperature.When water temperature angle value is higher than set temperature value in boiler, alarm is simultaneously
Start cooling water pump to realize to the water cooling of boiler.As shown in Figure 1, a kind of boiler thermostatic control system based on PLC is real
It is as follows to apply mode.
Power supply is opened, system running indicator is bright.
The set water temperature of boiler is inputted by Keysheet module, digital display tube 1 shows set temperature.
Digital display tube 2 shows the real-time water temperature in boiler.
When the temperature that digital display tube 2 is shown is less than the set temperature that digital display tube 1 is shown, buzzer warning.Start
Water in electric heater unit heat hot water case, heating lamp are bright.When the temperature that digital display tube 2 is shown is equal to digital display tube
The set temperature of 1 display, buzzer stop alarm stop electric heater unit work, and heating lamp extinguishes.
When the temperature that digital display tube 2 is shown is higher than the set temperature that digital display tube 1 is shown, buzzer warning starts
Water supply pump injects cold water, and cooling indicator light is bright.Temperature shown by digital display tube 2 is equal to setting for the display of digital display tube 1
Constant temperature degree, buzzer stop alarm close water supply pump and stop cold water injection, and cooling indicator light extinguishes.
Claims (4)
1. a kind of boiler thermostatic control system based on PLC, it is characterised in that：Including temperature data acquisition module, man-machine friendship
Mutual module, PLC system module, state indicator module, alarm module and equipment run module；The temperature data acquisition module packet
Temperature sensor is included, for acquiring boiler water temperature in real time, and gives the signal transmission of acquisition to PLC system module；It is described man-machine
Interactive module is connected with PLC system module, and setting boiler water temperature angle value may be implemented, and can show setting value and display hot water
Case water temperature；The equipment operation module includes electric heater unit, water supply pump, PLC system module output order control electrical heating dress
It sets and water supply pump；The alarm module is connected with PLC system module, when boiler coolant-temperature gage is not equal to setting value, PLC system mould
Block exports control instruction and starts alarm module；The state indicator module includes system running indicator, heating lamp and cold
But indicator light, for showing the working condition residing for boiler thermostatic control system.
2. a kind of boiler thermostatic control system based on PLC as described in claim 1, it is characterised in that：The alarm mould
Block uses buzzer siren.
3. a kind of boiler thermostatic control system based on PLC as described in claim 1, it is characterised in that：The temperature passes
Sensor uses pt100 thermal resistance sensors.
4. a kind of boiler thermostatic control system based on PLC as described in claim 1, it is characterised in that：The PLC system
Module uses S7-200CPU226 models PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820453219.0U CN208013808U (en) | 2018-04-02 | 2018-04-02 | A kind of boiler thermostatic control system based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820453219.0U CN208013808U (en) | 2018-04-02 | 2018-04-02 | A kind of boiler thermostatic control system based on PLC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013808U true CN208013808U (en) | 2018-10-26 |
Family
ID=63891692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820453219.0U Expired - Fee Related CN208013808U (en) | 2018-04-02 | 2018-04-02 | A kind of boiler thermostatic control system based on PLC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013808U (en) |
-
2018
- 2018-04-02 CN CN201820453219.0U patent/CN208013808U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102878635B (en) | Intelligent energy-saving control system of combined air conditioner and control program thereof | |
| CN105807758B (en) | A kind of the industrial stokehold experimental provision and method of multivariable | |
| CN208013808U (en) | A kind of boiler thermostatic control system based on PLC | |
| Wei | The PLC-based industrial temperature control system: Design and implementation | |
| CN203422686U (en) | Sterilization machine temperature monitoring system | |
| CN206532152U (en) | A kind of intelligent multichannel temperature control system | |
| CN208077027U (en) | A kind of PLC controls thermostat | |
| CN105843220A (en) | Industrial process control experimental device capable of acquiring non-minimum phase characteristic and method | |
| CN106951016A (en) | A kind of filature epidemic disaster control system | |
| CN201238404Y (en) | Time control apparatus for electrical heating temperature | |
| CN207742845U (en) | Industrial circulating cooling water system synthetic instruction experiment porch | |
| CN209639857U (en) | Detect the device of surface of workpiece temperature on plastic products | |
| CN204178253U (en) | A kind of automatic capsule production line control system | |
| CN202995443U (en) | Automatic control system for production of methylamine nitrate | |
| CN203733011U (en) | Thermocouple automatic temperature controller | |
| CN208720842U (en) | A kind of temperature control system for three sections of heated type heating furnaces | |
| CN201021985Y (en) | Electrical accompanied thermal line temperature control system | |
| CN207599974U (en) | A kind of intelligent constant-temperature kitchen and bath is precious | |
| CN206943134U (en) | A kind of hydraulic station automatic temperature-control cooling device | |
| CN205809739U (en) | A kind of metering attemperating unit based on PLC | |
| CN205809748U (en) | A kind of gas automatic control system | |
| CN201562155U (en) | Automatic control system for heat exchange station | |
| CN205803488U (en) | A kind of temperature control system based on online feedback automatic temperature-control for both culturing microalgae | |
| CN205229860U (en) | Energy -conserving water temperature control system in washing machine laboratory | |
| CN204421663U (en) | Heating furnace temperature of charge uniformity measurement apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20210402 |