CN105824334A - Greenhouse temperature monitoring system based on Internet of things technology - Google Patents
Greenhouse temperature monitoring system based on Internet of things technology Download PDFInfo
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- CN105824334A CN105824334A CN201610351653.3A CN201610351653A CN105824334A CN 105824334 A CN105824334 A CN 105824334A CN 201610351653 A CN201610351653 A CN 201610351653A CN 105824334 A CN105824334 A CN 105824334A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
Abstract
The invention discloses a greenhouse temperature monitoring system based on the Internet of things technology. The greenhouse temperature monitoring system is characterized in that the system is mainly composed of a branch station system and a master station system connected with the branch station system through a wireless network; the branch station system is composed of a branch station single-chip microcomputer, a buzzer, a first wireless transmission module, a signal processing unit, a refrigerator and an electric heater which are connected with the branch station single-chip microcomputer, and a temperature sensor which is connected with the signal processing unit; the master station system is composed of a master station single-chip microcomputer, and a data memory, a display, a keyboard and a second wireless transmission module which are connected with the master station single-chip microcomputer; and the first wireless transmission module is connected with the second wireless transmission module through a wireless network. Signals collected by the branch station system are sent to the master station system through a wireless network instead of via a line, so that the whole monitoring system is simpler and lower in cost. The system can adjust the temperature inside a greenhouse automatically, and is of a higher degree of automation.
Description
Technical field
The present invention relates to automation control area, specifically refer to a kind of warmhouse booth temperature monitoring system based on technology of Internet of things.
Background technology
The growth of crops is closely bound up with temperature, the most a lot of vegetables all use warmhouse booth to plant, for warmhouse booth, a most important management factors is temperature control, temperature is the lowest, vegetable will be freezed to death or be stopped growing, the too high growth being also unfavorable for vegetable of temperature, so needing to control in the range of applicable vegetable growth greenhouse temperature all the time during growing vegetables.But, the temperature of current warmhouse booth controls to rely primarily on manually to be controlled, and this temperature-controlled process not only expends a large amount of manpower, and is susceptible to mistake；And traditional temperature control system is all by connection, its track laying is loaded down with trivial details, cost is high, is unfavorable for being widely popularized.
Summary of the invention
It is an object of the invention to overcome traditional warmhouse booth temperature to rely on Artificial Control, a large amount of manpower need to be expended, and traditional temperature control system is all by connection, the defect that its track laying is loaded down with trivial details, cost is high, it is provided that a kind of warmhouse booth temperature monitoring system based on technology of Internet of things.
The purpose of the present invention is achieved through the following technical solutions: a kind of warmhouse booth temperature monitoring system based on technology of Internet of things, and mainly by substation system, the main station system being connected with substation system by wireless network is formed；Described substation system is by substation single-chip microcomputer, the buzzer being connected with substation single-chip microcomputer respectively, the first wireless transport module, signal processing unit, refrigeration machine and electric heater, and the temperature sensor composition being connected with signal processing unit；Described main station system is then made up of main website single-chip microcomputer, the data storage, display, keyboard and the second wireless transport module that are connected with main website single-chip microcomputer respectively；Described first wireless transport module is connected by wireless network and the second wireless transport module.
Further, described signal processing unit is made up of three end bias amplifiers, the complex modulated circuit being connected with three end bias amplifiers.
nullDescribed three end bias amplifiers are by amplifier P1，Amplifier P2，Amplifier P3，One end is connected with the positive pole of amplifier P1、The resistance R1 that the other end is then connected with temperature sensor，Positive pole is connected with the positive pole of amplifier P1、The electric capacity C1 that negative pole then outfan with amplifier P1 is connected，The resistance R2 being in parallel with electric capacity C1，Positive pole is connected with the negative pole of amplifier P1、The electric capacity C2 that negative pole then negative pole with amplifier P3 is connected，It is serially connected in the resistance R6 between negative pole and the outfan of amplifier P3，P pole negative pole with amplifier P2 after resistance R3 is connected、The diode D1 of N pole ground connection，The resistance R5 being serially connected between the outfan of amplifier P2 and the positive pole of amplifier P3，N pole is connected with the outfan of amplifier P2、The diode D2 that P pole positive pole with amplifier P2 after resistance R4 is connected，And positive pole is connected with the outfan of amplifier P1、The electric capacity C3 composition that negative pole then positive pole with amplifier P2 is connected；The positive pole of described amplifier P3 is connected with the outfan of amplifier P1, its outfan is then connected with complex modulated circuit；The outfan of described amplifier P2 is connected with complex modulated circuit.
nullDescribed complex modulated circuit is by audion VT1，Audion VT2，Audion VT3，Process chip U，P pole is connected with the colelctor electrode of audion VT1、The diode D3 that N pole emitter stage with audion VT1 after resistance R7 is connected，The resistance R9 being serially connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT2，The resistance R12 being serially connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT3，It is serially connected in the resistance R14 between the colelctor electrode of audion VT1 and the VCC pin processing chip U，Negative pole is connected with the base stage of audion VT2、The electric capacity C4 that positive pole emitter stage with audion VT1 after resistance R8 is connected，One end is connected with the emitter stage of audion VT2、The other end is the resistance R10 of ground connection while then after potentiometer R11, emitter stage with audion VT1 is connected，Minus earth、The electric capacity C5 that positive pole emitter stage with audion VT3 after resistance R13 is connected，Positive pole is connected with the CONT pin processing chip U、Negative pole be then connected with the GND pin processing chip U while the electric capacity C6 of ground connection，And P pole is connected with the OUT pin processing chip U、The diode D4 composition that N pole is connected with substation single-chip microcomputer；The base stage of described audion VT1 is connected with the outfan of amplifier P2, its emitter stage then outfan with amplifier P3 is connected；The base stage of described audion VT2 is connected with the base stage of audion VT3；The described RE pin of process chip U is connected with the colelctor electrode of audion VT1, its DIS pin and THRE pin and TRIG pin all positive poles with electric capacity C5 are connected.
Described process chip U is the integrated chip of NE555.
The present invention compared with the prior art, has the following advantages and beneficial effect:
(1) signal that substation system of the present invention is gathered is sent to main station system by wireless network, it is not necessary to by connection, makes whole monitoring system simpler, and cost is lower.
(2) temperature gathered in booth that the present invention can be real-time, refrigeration machine or electric heater can be automatically started when too high or too low for temperature in booth, it is thus possible to temperature is adjusted promptly and accurately, realize temperature acquisition and temperature controlled intellectuality, provide good condition for crop growth；The automaticity of the present invention is high simultaneously, can save labour force.
(3) temperature signal that temperature sensor can be collected by signal processing unit of the present invention processes, thus improves the accuracy that greenhouse temperature is detected by the present invention, it is to avoid faulty operation occur.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of the signal processing unit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As it is shown in figure 1, the warmhouse booth temperature monitoring system based on technology of Internet of things of the present invention, mainly by substation system, the main station system being connected with substation system by wireless network is formed.Wherein, this substation system is by substation single-chip microcomputer, the buzzer being connected with substation single-chip microcomputer respectively, the first wireless transport module, signal processing unit, refrigeration machine and electric heater, and the temperature sensor composition being connected with signal processing unit.This main station system is then made up of main website single-chip microcomputer, the data storage, display, keyboard and the second wireless transport module that are connected with main website single-chip microcomputer respectively.This first wireless transport module is connected by wireless network and the second wireless transport module.
Wherein, substation single-chip microcomputer as the control centre of substation system, main website single-chip microcomputer then as main station system control centre, this substation single-chip microcomputer and main website single-chip microcomputer all use MCS-51 single-chip microcomputer to realize.This temperature sensor is for gathering the temperature signal in booth, and it uses DS18B20 type temperature sensor.This first wireless transport module and the second wireless transport module all use NRF24L01 wireless transport module to realize.The P0.4 pin of this substation MCS-51 single-chip microcomputer is connected with buzzer, its P0.3 pin is then connected with the first wireless transport module, its P0.2 pin is connected with electric heater, its P0.1 pin is then connected with refrigeration machine, its P1.0 pin is then connected with signal processing unit.The P0.1 pin of this main website MCS-51 single-chip microcomputer is connected with data storage, its P0.4 pin is then connected with display, its P1.1 pin is then connected with keyboard, P1.3 pin is then connected with the second wireless transport module.
The temperature signal that temperature sensor can be collected by this signal processing unit processes, thus improves the accuracy that greenhouse temperature is detected by the present invention, it is to avoid faulty operation occur；Its structure is as in figure 2 it is shown, by three end bias amplifiers, the complex modulated circuit being connected with three end bias amplifiers forms.
Wherein, this three ends bias amplifier is made up of amplifier P1, amplifier P2, amplifier P3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electric capacity C1, electric capacity C2, electric capacity C3, diode D1 and diode D2.
During connection, one end of resistance R1 is connected with the positive pole of amplifier P1, its other end is then connected with temperature sensor.The positive pole of electric capacity C1 is connected with the positive pole of amplifier P1, its negative pole then outfan with amplifier P1 is connected.Resistance R2 is in parallel with electric capacity C1；The positive pole of electric capacity C2 is connected with the negative pole of amplifier P1, its negative pole then negative pole with amplifier P3 is connected.Resistance R6 is serially connected between negative pole and the outfan of amplifier P3.The P pole of diode D1 negative pole with amplifier P2 after resistance R3 is connected, its N pole ground connection.Resistance R5 is serially connected between the outfan of amplifier P2 and the positive pole of amplifier P3.The N pole of diode D2 is connected with the outfan of amplifier P2, its P pole positive pole with amplifier P2 after resistance R4 is connected.The positive pole of electric capacity C3 is connected with the outfan of amplifier P1, its negative pole then positive pole with amplifier P2 is connected.The positive pole of described amplifier P3 is connected with the outfan of amplifier P1, its outfan is then connected with complex modulated circuit.The outfan of described amplifier P2 is connected with complex modulated circuit.This amplifier P1 amplifies for the first order, and amplifier P2 and amplifier P3 then amplifies for the second level, and signal does not haves distortion phenomenon after two-stage is amplified.
It addition, this complex modulated circuit is by audion VT1, audion VT2, audion VT3, process chip U, resistance R7, resistance R8, resistance R9, resistance R10, potentiometer R11, resistance R12, resistance R13, resistance R14, electric capacity C4, electric capacity C5, electric capacity C6, diode D3 and diode D4 form.
Wherein, the P pole of diode D3 is connected with the colelctor electrode of audion VT1, its N pole emitter stage with audion VT1 after resistance R7 is connected.Resistance R9 is serially connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT2.Resistance R12 is serially connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT3.Resistance R14 is serially connected between the colelctor electrode of audion VT1 and the VCC pin processing chip U.The negative pole of electric capacity C4 is connected with the base stage of audion VT2, its positive pole emitter stage with audion VT1 after resistance R8 is connected.One end of resistance R10 is connected with the emitter stage of audion VT2, its other end ground connection while then emitter stage with audion VT1 is connected after potentiometer R11.The minus earth of electric capacity C5, its positive pole emitter stage with audion VT3 after resistance R13 is connected.Ground connection while the positive pole of electric capacity C6 is connected with the CONT pin processing chip U, its negative pole is then connected with the GND pin processing chip U.The P pole of diode D4 is connected with the OUT pin processing chip U, its N pole is connected with substation single-chip microcomputer.
The base stage of described audion VT1 is connected with the outfan of amplifier P2, its emitter stage then outfan with amplifier P3 is connected.The base stage of described audion VT2 is connected with the base stage of audion VT3.The described RE pin of process chip U is connected with the colelctor electrode of audion VT1, its DIS pin and THRE pin and TRIG pin all positive poles with electric capacity C5 are connected.
This complex modulated circuit can move, the signal of different frequency, the frequency range that frequency is higher, and send in the way of electromagnetic wave, such then be conducive to signal long-distance transmissions, in order to reach more preferable implementation result, the described process chip U integrated chip of preferential NE555 realizes.
During work, temperature signal in temperature sensor Real-time Collection booth is also transferred to signal processing unit, signal is sent to substation single-chip microcomputer after signal processing unit processes, and the first wireless transport module then sends a signal to the second wireless transport module by wireless network.This second wireless transport module is transferred to main website single-chip microcomputer signal, and main website single-chip microcomputer is shown by display after being identified signal and being converted to digital value.This main website single-chip microcomputer is also compared booth actual temperature value store with the crop growth optimum temperature range value having previously been stored in data storage simultaneously；If booth actual temperature is less than the temperature range value preset, main website single-chip microcomputer then sends a signal to substation single-chip microcomputer, by substation Single-chip Controlling electric heater, canopy temperature is heated, during until the temperature in booth is in default temperature range value, main website single-chip microcomputer the most no longer sends signal to substation single-chip microcomputer, and electric heater no longer works；If booth actual temperature is higher than the temperature range value preset, main website single-chip microcomputer then sends corresponding signal to substation single-chip microcomputer, by substation Single-chip Controlling refrigeration machine, canopy temperature is lowered the temperature, during until the temperature in booth is in default temperature range value, main website single-chip microcomputer the most no longer sends signal to substation single-chip microcomputer, and refrigeration machine no longer works.Staff can understand the temperature conditions in booth by Control Room a long way off in real time, and this keyboard can arrange, by keyboard, the temperature range value that prestores as human-computer exchange window, staff, so that the present invention is applicable to different proportion of crop planting booths.
As it has been described above, just can well realize the present invention.
Claims (5)
1. a warmhouse booth temperature monitoring system based on technology of Internet of things, it is characterised in that mainly by substation system, the main station system being connected with substation system by wireless network is formed；Described substation system is by substation single-chip microcomputer, the buzzer being connected with substation single-chip microcomputer respectively, the first wireless transport module, signal processing unit, refrigeration machine and electric heater, and the temperature sensor composition being connected with signal processing unit；Described main station system is then made up of main website single-chip microcomputer, the data storage, display, keyboard and the second wireless transport module that are connected with main website single-chip microcomputer respectively；Described first wireless transport module is connected by wireless network and the second wireless transport module.
A kind of warmhouse booth temperature monitoring system based on technology of Internet of things the most according to claim 1, it is characterised in that: described signal processing unit is made up of three end bias amplifiers, the complex modulated circuit being connected with three end bias amplifiers.
nullA kind of warmhouse booth temperature monitoring system based on technology of Internet of things the most according to claim 2，It is characterized in that: described three end bias amplifiers are by amplifier P1，Amplifier P2，Amplifier P3，One end is connected with the positive pole of amplifier P1、The resistance R1 that the other end is then connected with temperature sensor，Positive pole is connected with the positive pole of amplifier P1、The electric capacity C1 that negative pole then outfan with amplifier P1 is connected，The resistance R2 being in parallel with electric capacity C1，Positive pole is connected with the negative pole of amplifier P1、The electric capacity C2 that negative pole then negative pole with amplifier P3 is connected，It is serially connected in the resistance R6 between negative pole and the outfan of amplifier P3，P pole negative pole with amplifier P2 after resistance R3 is connected、The diode D1 of N pole ground connection，The resistance R5 being serially connected between the outfan of amplifier P2 and the positive pole of amplifier P3，N pole is connected with the outfan of amplifier P2、The diode D2 that P pole positive pole with amplifier P2 after resistance R4 is connected，And positive pole is connected with the outfan of amplifier P1、The electric capacity C3 composition that negative pole then positive pole with amplifier P2 is connected；The positive pole of described amplifier P3 is connected with the outfan of amplifier P1, its outfan is then connected with complex modulated circuit；The outfan of described amplifier P2 is connected with complex modulated circuit.
nullA kind of warmhouse booth temperature monitoring system based on technology of Internet of things the most according to claim 3，It is characterized in that: described complex modulated circuit is by audion VT1，Audion VT2，Audion VT3，Process chip U，P pole is connected with the colelctor electrode of audion VT1、The diode D3 that N pole emitter stage with audion VT1 after resistance R7 is connected，The resistance R9 being serially connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT2，The resistance R12 being serially connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT3，It is serially connected in the resistance R14 between the colelctor electrode of audion VT1 and the VCC pin processing chip U，Negative pole is connected with the base stage of audion VT2、The electric capacity C4 that positive pole emitter stage with audion VT1 after resistance R8 is connected，One end is connected with the emitter stage of audion VT2、The other end is the resistance R10 of ground connection while then after potentiometer R11, emitter stage with audion VT1 is connected，Minus earth、The electric capacity C5 that positive pole emitter stage with audion VT3 after resistance R13 is connected，Positive pole is connected with the CONT pin processing chip U、Negative pole be then connected with the GND pin processing chip U while the electric capacity C6 of ground connection，And P pole is connected with the OUT pin processing chip U、The diode D4 composition that N pole is connected with substation single-chip microcomputer；The base stage of described audion VT1 is connected with the outfan of amplifier P2, its emitter stage then outfan with amplifier P3 is connected；The base stage of described audion VT2 is connected with the base stage of audion VT3；The described RE pin of process chip U is connected with the colelctor electrode of audion VT1, its DIS pin and THRE pin and TRIG pin all positive poles with electric capacity C5 are connected.
A kind of warmhouse booth temperature monitoring system based on technology of Internet of things the most according to claim 4, it is characterised in that: described process chip U is the integrated chip of NE555.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066620A (en) * | 2016-08-22 | 2016-11-02 | 四川华索自动化信息工程有限公司 | A kind of signal based on technology of Internet of things multistage scale-up version flue temperature monitoring system |
| CN106094662A (en) * | 2016-08-22 | 2016-11-09 | 四川华索自动化信息工程有限公司 | A kind of flue temperature monitoring system based on technology of Internet of things |
| CN106249715A (en) * | 2016-08-27 | 2016-12-21 | 成都东创精英科技有限公司 | Hydraulic turbine temperature signal coupled logic processing-type monitoring system based on network technology |
| CN106325152A (en) * | 2016-08-22 | 2017-01-11 | 四川华索自动化信息工程有限公司 | Frequency error correction type flue pipe temperature monitoring system based on Internet-of-things technology |
| CN106384493A (en) * | 2016-10-11 | 2017-02-08 | 四川森迪科技发展股份有限公司 | Biasing amplifying circuit based remote temperature monitoring system for chicken farm |
| CN106404193A (en) * | 2016-10-11 | 2017-02-15 | 四川森迪科技发展股份有限公司 | Source-follower-circuit-based signal amplification type remote temperature monitoring system for barton |
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2016
- 2016-05-24 CN CN201610351653.3A patent/CN105824334A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066620A (en) * | 2016-08-22 | 2016-11-02 | 四川华索自动化信息工程有限公司 | A kind of signal based on technology of Internet of things multistage scale-up version flue temperature monitoring system |
| CN106094662A (en) * | 2016-08-22 | 2016-11-09 | 四川华索自动化信息工程有限公司 | A kind of flue temperature monitoring system based on technology of Internet of things |
| CN106325152A (en) * | 2016-08-22 | 2017-01-11 | 四川华索自动化信息工程有限公司 | Frequency error correction type flue pipe temperature monitoring system based on Internet-of-things technology |
| CN106249715A (en) * | 2016-08-27 | 2016-12-21 | 成都东创精英科技有限公司 | Hydraulic turbine temperature signal coupled logic processing-type monitoring system based on network technology |
| CN106384493A (en) * | 2016-10-11 | 2017-02-08 | 四川森迪科技发展股份有限公司 | Biasing amplifying circuit based remote temperature monitoring system for chicken farm |
| CN106404193A (en) * | 2016-10-11 | 2017-02-15 | 四川森迪科技发展股份有限公司 | Source-follower-circuit-based signal amplification type remote temperature monitoring system for barton |
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