CN205245459U - Constant temperature and humidity PLC control system of toilet - Google Patents
Constant temperature and humidity PLC control system of toilet Download PDFInfo
- Publication number
- CN205245459U CN205245459U CN201521074214.XU CN201521074214U CN205245459U CN 205245459 U CN205245459 U CN 205245459U CN 201521074214 U CN201521074214 U CN 201521074214U CN 205245459 U CN205245459 U CN 205245459U
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Abstract
The utility model discloses a constant temperature and humidity PLC control system of toilet, including the PLC controller, a weighing sensor and a temperature sensor, humidity transducer, dust degree sensor, the AD module, the heater, the humidifier, the exhaust fan, a frequency converter, a motor, a crankshaft position sensor, a switching power supply and a digital frequency meter, the DA module, governing valve and fan, a weighing sensor and a temperature sensor, humidity transducer, dust degree sensor, with the temperature in the toilet, humidity and dust degree turn into analog signal, and send into the AD module, the AD module is data signal and send into the PLC controller with this analog signal transition, the output signal of PLC controller gives the heater, the humidifier, exhaust fan and converter, the output signal of converter gives the fan, and simultaneously, DA is given the module with the data signal of output to the PLC controller, the DA module converts this data signal into analog signal and give the governing valve, the output signal of governing valve gives the fan. The utility model discloses the cost is lower, stable performance, realization toilet that can be high -standard constant temperature, constant voltage and do not have the requirement of dust.
Description
Technical field
The utility model relates to PLC control system, this system is applicable to the control of toilet's constant temperature and humidity.
Background technology
Temperature in toilet, the requirement of humidity are strict. Although, its indoor circulation of air of air-blower control,But its temperature, humidity and dust degree still change obviously. At present, temperature, humidity, dust degree are mainTaking " some position " control and simple PID controller as main, it can only adapt to general temperature system control, difficultyIn control hysteresis, complexity, the control of time varying temperature system. The requirement harshness of toilet to constant temperature and humidity free from dust,Conventional " some position " controls the high standard that cannot adapt to toilet, thereby, need development of new control systemSystem is realized the requirement of the constant temperature and humidity of toilet.
Summary of the invention
The utility model, for existing deficiency, provides the constant temperature and humidity PLC of toilet control system, can reduceCost, realizes constant temperature and constant humidity. For achieving the above object, the utility model adopts technical scheme to be:
The constant temperature and humidity PLC of toilet control system, is characterized in that, comprises PLC controller, TEMPDevice, humidity sensor, dust degree sensor, AD module, heater, humidifier, ventilating fan, frequency converter,DA module, control valve and blower fan, temperature sensor, humidity sensor, dust degree sensor, by toiletInterior temperature, humidity and dust degree are converted into analog signal, and send into AD module, and AD module is by this simulationSignal is converted to data signal and sends into PLC controller, the output signal of PLC controller give heater,Humidifier, ventilating fan and frequency converter, the output signal of frequency converter is given blower fan, and meanwhile, PLC controller is by defeatedThe data signal going out is given DA module, and DA module is converted to this data signal analog signal and gives adjustingValve, the output signal of control valve is given blower fan.
The described constant temperature and humidity PLC of toilet control system also comprises touch-screen, and described touch-screen and PLC controlDevice is connected; Described temperature sensor, humidity sensor, dust degree sensor are respectively the change of PT100 temperature and sendDevice, CHM-02 humidity sensor and GP2Y1010AUOF dust degree sensor; AD module comprises FX2N-4AD-PTModule and FX2N-2AD module; PLC controller model is mitsubishi FX2N-32MT; DA module is FX2N-2DAModule; Frequency converter model is FR-D720S-0.4K-CHT; Touch-screen model is GT1055-QSBD-C.
The beneficial effects of the utility model: the utility model cost is lower, stable performance, can be high-levelRealize the requirement of toilet's constant temperature, constant voltage and free from dust.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is electrical schematic diagram of the present utility model.
Detailed description of the invention
The utility model is specifically introduced as follows below in conjunction with drawings and Examples:
The constant temperature and humidity PLC of toilet control system, is characterized in that, comprises PLC controller, TEMPDevice, humidity sensor, dust degree sensor, AD module, heater, humidifier, ventilating fan, frequency converter,DA module, control valve and blower fan, temperature sensor, humidity sensor, dust degree sensor, by toiletInterior temperature, humidity and dust degree are converted into analog signal, and send into AD module, and AD module is by this simulationSignal is converted to data signal and sends into PLC controller, the output signal of PLC controller give heater,Humidifier, ventilating fan and frequency converter, the output signal of frequency converter is given blower fan, and meanwhile, PLC controller is by defeatedThe data signal going out is given DA module, and DA module is converted to this data signal analog signal and gives adjustingValve, the output signal of control valve is given blower fan.
The described constant temperature and humidity PLC of toilet control system also comprises touch-screen, and described touch-screen and PLC controlDevice is connected; Described temperature sensor, humidity sensor, dust degree sensor are respectively the change of PT100 temperature and sendDevice, CHM-02 humidity sensor and GP2Y1010AUOF dust degree sensor; AD module comprises FX2N-4AD-PTModule and FX2N-2AD module; PLC controller model is mitsubishi FX2N-32MT; DA module is FX2N-2DAModule; Frequency converter model is FR-D720S-0.4K-CHT; Touch-screen model is GT1055-QSBD-C.
The operation principle of this system is as follows:
After system energising, temperature sensor, humidity sensor, dust degree sensor are started working, and adopt respectivelyCurrent Temperatures, humidity, dust number of degrees value in collection toilet. This system can be carried out steady temperature control, perseveranceDetermine humidity control and the control of constant dust degree.
Steady temperature control: temperature sampling signal is converted to standard current signal 4～20mA through temperature transmitter and sendFX2N-4AD-PT module, result offers PLC and carries out PID computing, and output valve is for control heater, sameTime give frequency converter by 485 communications signal, control the operation of blower fan, also the result drawing is passed through to D/AModule is converted into corresponding analog voltage signal Control PID control valve, thus the air output of control piping system.When indoor temperature is lower than setting value, PLC control heater energising heating, blower fan high-speed cruising, PID control valveReach maximum, air output maximum, clean indoor temperature raises fast; When temperature approaches setting value, carry out arteries and veinsPunching heating, now blower fan is by Frequency Converter Control low cruise, and clean indoor temperature slowly raises; Work as temperatureHigher than setting value, heater power-off, the action of PID control valve, valve port diminishes, and reduces air output, meanwhile, rowFan operation heat radiation, indoor temperature reduces. By being used in conjunction with of PULSE HEATING and heat radiation, make temperature like thisKeep certain numerical value, error is within ± 1 DEG C.
Constant humidity control: humidity sampled signal utilizes A/D module converts to become corresponding data signal to supply PLCComparison operation. When humidity is less than setting value, give indoor humidification by damping device. Humidity reaches setting value,Stop humidification. When humidity is greater than setting value, ventilating fan operation, discharges to reach setting value moisture.Control and keep clean indoor humidity by the s operation control damping device of PLC and the operation of ventilating fan.
Constant dust degree control: dust degree sampled signal is also to utilize A/D module converts to become corresponding numeral letterNumber for PLC comparison operation. When dust degree is greater than setting value, ventilating fan operation, discharges dust particles, straightTill meeting control requirement.
Below announced the utility model with preferred embodiment, so it is not in order to limit the utility model,All technical schemes of taking the form that is equal to replacement or equivalent transformation to obtain, all drop on guarantor of the present utility modelWithin protecting scope.
Claims (8)
1. toilet's constant temperature and humidity PLC control system, is characterized in that, comprise PLC controller, temperature sensor,Humidity sensor, dust degree sensor, AD module, heater, humidifier, ventilating fan, frequency converter, DAModule, control valve and blower fan,
Temperature sensor, humidity sensor, dust degree sensor, by the temperature in toilet, humidity and dust degreeBe converted into analog signal, and send into AD module, AD module by this analog signal be converted to data signal andSend into PLC controller, the output signal of PLC controller is given heater, humidifier, ventilating fan and frequency converter,The output signal of frequency converter is given blower fan, and meanwhile, the data signal of output is given DA module by PLC controller,DA module is converted to this data signal analog signal and gives control valve, and the output signal of control valve is givenBlower fan.
2. the constant temperature and humidity PLC of toilet control system according to claim 1, is characterized in that, described cleanClean room constant temperature and humidity PLC control system also comprises touch-screen, and described touch-screen is connected with PLC controller.
3. the constant temperature and humidity PLC of toilet control system according to claim 1, is characterized in that described temperatureDegree sensor, humidity sensor, dust degree sensor are respectively PT100 temperature transmitter, CHM-02 humiditySensor and GP2Y1010AU0F dust degree sensor.
4. the constant temperature and humidity PLC of toilet control system according to claim 1, is characterized in that AD moduleComprise FX2N-4AD-PT module and FX2N-2AD module.
5. the constant temperature and humidity PLC of toilet control system according to claim 1, is characterized in that, PLC controlDevice model processed is mitsubishi FX2N-32MT.
6. the constant temperature and humidity PLC of toilet control system according to claim 1, is characterized in that DA moduleFor FX2N-2DA module.
7. the constant temperature and humidity PLC of toilet control system according to claim 1, is characterized in that frequency converterModel is FR-D720S-0.4K-CHT.
8. the constant temperature and humidity PLC of toilet control system according to claim 2, is characterized in that touch-screenModel is GT1055-QSBD-C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074214.XU CN205245459U (en) | 2015-12-22 | 2015-12-22 | Constant temperature and humidity PLC control system of toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074214.XU CN205245459U (en) | 2015-12-22 | 2015-12-22 | Constant temperature and humidity PLC control system of toilet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205245459U true CN205245459U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521074214.XU Expired - Fee Related CN205245459U (en) | 2015-12-22 | 2015-12-22 | Constant temperature and humidity PLC control system of toilet |
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| CN (1) | CN205245459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371448A (en) * | 2015-12-22 | 2016-03-02 | 南京科技职业学院 | Constant temperature and constant humidity PLC control system for clean room |
| CN106871339A (en) * | 2017-01-24 | 2017-06-20 | 成都宏达洁净技术工程有限公司 | A kind of operating room four seasons temperature and humidity control system |
-
2015
- 2015-12-22 CN CN201521074214.XU patent/CN205245459U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371448A (en) * | 2015-12-22 | 2016-03-02 | 南京科技职业学院 | Constant temperature and constant humidity PLC control system for clean room |
| CN106871339A (en) * | 2017-01-24 | 2017-06-20 | 成都宏达洁净技术工程有限公司 | A kind of operating room four seasons temperature and humidity control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180622 Address after: 210061 room 3015, 3 floor, inte Shen Technology Park, 19 Li Xin Road, Nanjing High-tech Zone, Jiangsu, China Patentee after: Nanjing Chang Yuan Technology Development Co., Ltd. Address before: 210048 625, Ge Guan Road, Yanjiang Industrial Development Zone, Nanjing, Jiangsu Patentee before: Nanjing Scientific Professional School |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |