CN109729891A - One kind being based on monolithic processor controlled greenhouse irrigation system - Google Patents
One kind being based on monolithic processor controlled greenhouse irrigation system Download PDFInfo
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- CN109729891A CN109729891A CN201910040014.9A CN201910040014A CN109729891A CN 109729891 A CN109729891 A CN 109729891A CN 201910040014 A CN201910040014 A CN 201910040014A CN 109729891 A CN109729891 A CN 109729891A
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- 230000002262 irrigation Effects 0.000 title claims abstract description 22
- 238000003973 irrigation Methods 0.000 title claims abstract description 22
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 31
- 238000005086 pumping Methods 0.000 claims abstract description 30
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000003020 moisturizing effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 206010044565 Tremor Diseases 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000005080 plant death Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses one kind to be based on monolithic processor controlled greenhouse irrigation system, including pumping motor circuit, buzzer alarm circuit, DS18B20 temperature sensor, LCD1602 liquid crystal display, single-chip microcontroller governor circuit, power interface circuit, key circuit, moisture sensor module；Wherein single-chip microcontroller governor circuit is connected with pumping motor circuit, buzzer alarm circuit, DS18B20 temperature sensor, LCD1602 liquid crystal display, key circuit and moisture sensor module, and power interface circuit is for powering.The present invention acquires data of the Temperature and Humidity module by DS18B20 temperature sensor, moisture sensor module, by key circuit, the threshold value under different data bits state is set, single-chip microcontroller data of the Temperature and Humidity module and the threshold information of setting based on the received, pumping motor circuit operation is driven to carry out moisturizing cooling, buzzer alarm circuit alarm is driven, the control mode driven by collection two kinds of data informations of temperature and humidity can limit to avoid single data control mode bring etc..
Description
Technical field
The present invention relates to one kind to be based on monolithic processor controlled greenhouse irrigation system, belongs to irrigation field.
Background technique
The phenomenon of the caused economic plants death of the problem of annual crop is because of irrigation watering is frequent occurrence, annual because of work
The phenomenon of planting plants death caused by object watering Irrigation is improper just accounts for the 16.7% of all Plant death phenomenons, this not only makes
At the property loss of vast farmers, great waste is also resulted in.
And combination temperature and humidity data are provided commonly for the control of greenhouse irrigation, need to consider to control based on single-chip microcontroller
Greenhouse irrigation system composition and connectivity problem etc..
Summary of the invention
The present invention provides one kind to be based on monolithic processor controlled greenhouse irrigation system, for by reasonably being constituted
And connection building is based on monolithic processor controlled greenhouse irrigation system.
The technical scheme is that a kind of be based on monolithic processor controlled greenhouse irrigation system, including pumping motor
Circuit, buzzer alarm circuit, DS18B20 temperature sensor, LCD1602 liquid crystal display, single-chip microcontroller governor circuit, power supply connect
Mouth circuit, key circuit, moisture sensor module；Wherein single-chip microcontroller governor circuit and pumping motor circuit, buzzer warning electricity
Road, DS18B20 temperature sensor, LCD1602 liquid crystal display, key circuit and moisture sensor module are connected, power interface
Circuit is for powering.
The single-chip microcontroller governor circuit uses STC89C52；The P1.6 pin of STC89C52 is connected with pumping motor circuit；
The P3.3 pin of STC89C52 connects buzzer alarm circuit；The P1.7 pin of STC89C52 and the number of DS18B20 temperature sensor
According to mouth DATA connection；The P01-P07 pin of STC89C52 connects the DB0-DB7 pin of LCD1602 liquid crystal display, STC89C52's
P1.0-P1.2 pin is connected with LCD1602 liquid crystal display control pin；The VCC pin of STC89C52 connects power interface circuit
VCC interface；The P3.5-P3.7 of STC89C52 is used to receive the key information that key circuit transmitting comes；The P1.3- of STC89C52
P1.5 pin is connected with D/A converter module ADC0832 in moisture sensor module；X1, X2 pin of STC89C52 is for receiving
The RST pin of the clock signal of single-chip microcontroller external clock module, STC89C52 is responsible for reset circuit.
The pumping motor circuit includes triode Q2, resistance R5, capacitor C4,5V pumping motor P1；Wherein resistance R5 mono-
The P1.6 pin of single-chip microcontroller governor circuit is terminated, the GND that the one end capacitor C4,5V pumping motor P1 connects single-chip microcontroller governor circuit draws
Foot, the collector of another termination triode Q2 of capacitor C4,5V pumping motor P1, the base stage of another termination triode Q2 of resistance R5,
The emitter of triode Q2 connects the VCC interface of power interface circuit.
The buzzer alarm circuit is made of buzzer B1, light emitting diode D1, triode Q1, resistance R1, resistance R3；
The one end resistance R1 is connect with the P3.3 pin of single-chip microcontroller governor circuit, the base stage of another termination triode Q1 of resistance R1, triode
The emitter of Q1 connects the VCC interface of power interface circuit, the collector of triode Q1 connect buzzer B1, light emitting diode D1 one
End, one end of another terminating resistor R3 of light emitting diode D1, the other end ground connection of resistance R3, buzzer B1.
The DS18B20 temperature sensor is accessed using single port, and VCC pin is that modular power source pin connects power interface electricity
The VCC interface on road, DATA are used to connect the P1.7 pin of single-chip microcontroller governor circuit, and GND is its grounding pin, DATA pin
The resistance R16 that a resistance value in parallel with VCC pin is 10000 ohm.
The LCD1602 liquid crystal display connects the VCC interface of power interface circuit as display equipment, VCC pin,
GND pin ground connection, VO pin are grounded through swept resistance R2, and DB0-DB7 pin respectively corresponds the P01- for connecing single-chip microcontroller governor circuit
P07 pin, RS pin, RW pin, E pin connect the P1.0-P1.2 pin of single-chip microcontroller governor circuit respectively.
The power interface circuit is made of self-lock switch P2, self-lock switch SW1, capacitor C5；1 pin in self-lock switch P2
It is connected with 1 pin in self-lock switch SW1, is pressed in 2 pins and 3 pins in self-lock switch P2, key circuit in self-lock switch P2
Key S2 ground terminal is connected, the connecting line outlet ground connection being formed by, 2 pins and key S2 in key circuit in self-lock switch P2
Ground terminal is formed by connecting line and is connected with one end of capacitor C5, the other end conduct of 2 pins, capacitor C5 in self-lock switch SW1
VCC interface and pumping motor circuit, buzzer alarm circuit, DS18B20 temperature sensor, LCD1602 liquid crystal interface 4, monolithic
Machine governor circuit and moisture sensor module connection provide 5V voltage.
The key circuit uses three keys, and three keys are respectively key S2, key S3, key S4, key S2,
Key S3, the one end key S4 respectively correspond the P3.5-P3.7 pin for connecing single-chip microcontroller governor circuit, key S2, key S3, key S4
Other end earth, another termination power interface circuit of key S2.
The moisture sensor module is made of FC-28 humidity sensor P3, D/A converter module ADC0832；FC-28 is wet
8 pins of 1 pin, D/A converter module ADC0832 of spending sensor P3 connect the VCC interface of power interface circuit, FC-28 humidity
2 pins of sensor P3,4 pins of D/A converter module ADC0832 are grounded, and 3 pins of FC-28 humidity sensor P3 connect digital-to-analogue
2 pins of conversion module ADC0832, the P1.5 of 5,6 pins in parallel and single-chip microcontroller governor circuit of D/A converter module ADC0832
Pin connection, 7 pins of D/A converter module ADC0832 are connect with the P1.4 pin of single-chip microcontroller governor circuit, digital-to-analogue conversion mould
1 pin of block ADC0832 is connect with the P1.3 pin of single-chip microcontroller governor circuit.
The beneficial effects of the present invention are: the present invention is warm and humid by DS18B20 temperature sensor, moisture sensor module acquisition
The threshold value under different data bits state is arranged by key circuit in degree evidence, and single-chip microcontroller data of the Temperature and Humidity module and is set based on the received
The threshold information set, driving pumping motor circuit operation carry out moisturizing cooling, and driving buzzer alarm circuit alarm passes through collection
The control mode that two kinds of data informations of temperature and humidity are driven can be to avoid single data control mode bring limitation etc..
Detailed description of the invention
Fig. 1 is pumping motor circuit diagram；
Fig. 2 is pumping motor circuit diagram；
Fig. 3 is DS18B20 temperature sensor circuit schematic diagram；
Fig. 4 is LCD1602 liquid crystal display schematic diagram；
Fig. 5 is single-chip microcontroller governor circuit schematic diagram；
Fig. 6 is power interface circuit schematic diagram；
Fig. 7 is key circuit schematic diagram；
Fig. 8 is moisture sensor module circuit diagram.
Specific embodiment
Embodiment 1: as shown in figures 1-8, one kind being based on monolithic processor controlled greenhouse irrigation system, including pumping motor
Circuit, buzzer alarm circuit, DS18B20 temperature sensor, LCD1602 liquid crystal display, single-chip microcontroller governor circuit, power supply connect
Mouth circuit, key circuit, moisture sensor module；Wherein single-chip microcontroller governor circuit and pumping motor circuit, buzzer warning electricity
Road, DS18B20 temperature sensor, LCD1602 liquid crystal display, key circuit and moisture sensor module are connected, power interface
Circuit is for powering.
It is possible to further which the single-chip microcontroller governor circuit is arranged using STC89C52；The P1.6 pin of STC89C52 with
Pumping motor circuit is connected；The P3.3 pin of STC89C52 connects buzzer alarm circuit；The P1.7 pin of STC89C52 with
The data port DATA connection of DS18B20 temperature sensor；The P01-P07 pin of STC89C52 connects LCD1602 liquid crystal display
The P1.0-P1.2 pin of DB0-DB7 pin, STC89C52 is connected with LCD1602 liquid crystal display control pin；STC89C52's
VCC pin connects the VCC interface of power interface circuit；The P3.5-P3.7 of STC89C52 is used to receive key circuit and transmits press
Key information；The P1.3-P1.5 pin of STC89C52 is connected with D/A converter module ADC0832 in moisture sensor module；
X1, X2 pin of STC89C52 is used to receive the clock signal of single-chip microcontroller external clock module, and the RST pin of STC89C52 is responsible for
Reset circuit.
It include that triode Q2, resistance R5, capacitor C4,5V draw water electricity it is possible to further which the pumping motor circuit is arranged
Machine P1；Wherein the one end resistance R5 connects the P1.6 pin of single-chip microcontroller governor circuit, and the one end capacitor C4,5V pumping motor P1 connects single-chip microcontroller
The GND pin of governor circuit, the collector of another termination triode Q2 of capacitor C4,5V pumping motor P1, another termination of resistance R5
The base stage of triode Q2, the emitter of triode Q2 connect the VCC interface of power interface circuit.
It is possible to further be arranged the buzzer alarm circuit by buzzer B1, light emitting diode D1, triode Q1,
Resistance R1, resistance R3 composition；The one end resistance R1 is connect with the P3.3 pin of single-chip microcontroller governor circuit, three poles of another termination of resistance R1
The base stage of pipe Q1, the emitter of triode Q1 connect the VCC interface of power interface circuit, and the collector of triode Q1 connects buzzer
One end of B1, light emitting diode D1, one end of another terminating resistor R3 of light emitting diode D1, resistance R3, buzzer B1 it is another
One end ground connection.
It is accessed it is possible to further which the DS18B20 temperature sensor is arranged using single port, VCC pin is module electricity
Source pin connects the VCC interface of power interface circuit, and DATA is used to connect the P1.7 pin of single-chip microcontroller governor circuit, and GND is it
Grounding pin, the resistance R16 that a DATA pin resistance value in parallel with VCC pin is 10000 ohm.
It is possible to further which the LCD1602 liquid crystal display is arranged as display equipment, VCC pin connects power supply and connects
The VCC interface of mouth circuit, GND pin ground connection, VO pin are grounded through swept resistance R2, and DB0-DB7 pin respectively corresponds order piece
The P01-P07 pin of machine governor circuit, the P1.0-P1.2 that RS pin, RW pin, E pin connect single-chip microcontroller governor circuit respectively draw
Foot.
It is formed it is possible to further which the power interface circuit is arranged by self-lock switch P2, self-lock switch SW1, capacitor C5；
1 pin is connected with 1 pin in self-lock switch SW1 in self-lock switch P2,2 pins and in self-lock switch P2 3 in self-lock switch P2
Key S2 ground terminal is connected in pin, key circuit, the connecting line outlet ground connection being formed by, 2 pins in self-lock switch P2
Connecting line is formed by with key S2 ground terminal in key circuit to be connected with one end of capacitor C5,2 pins in self-lock switch SW1,
The other end of capacitor C5 as VCC interface and pumping motor circuit, buzzer alarm circuit, DS18B20 temperature sensor,
LCD1602 liquid crystal interface 4, single-chip microcontroller governor circuit and moisture sensor module connection provide 5V voltage.
It is possible to further which the key circuit is arranged using three keys, three keys are respectively key S2, key
S3, key S4, key S2, key S3, the one end key S4 respectively correspond the P3.5-P3.7 pin for connecing single-chip microcontroller governor circuit, press
Key S2, key S3, key S4 other end earth, another termination power interface circuit of key S2.
It is possible to further which the moisture sensor module is arranged by FC-28 humidity sensor P3, D/A converter module
ADC0832 composition；1 pin of FC-28 humidity sensor P3,8 pins of D/A converter module ADC0832 connect power interface circuit
VCC interface, the 4 pins ground connection of 2 pins of FC-28 humidity sensor P3, D/A converter module ADC0832, FC-28 humidity passes
3 pins of sensor P3 connect 2 pins of D/A converter module ADC0832,5,6 pins in parallel of D/A converter module ADC0832 with
The P1.5 pin of single-chip microcontroller governor circuit connects, 7 pins of D/A converter module ADC0832 and the P1.4 of single-chip microcontroller governor circuit
Pin connection, 1 pin of D/A converter module ADC0832 are connect with the P1.3 pin of single-chip microcontroller governor circuit.
The working principle of the invention is:
Key circuit three keys S2, S3, S4 effect is respectively as follows: data and key, data is added to subtract key, adjustment data bit, when with
When family presses the button the key in circuit, single-chip microcontroller governor circuit relevant pins level can change, single-chip microcontroller governor circuit
There is low level in universal input output pin P3.5-P3.7, to have the function that input module.Realize different data bits state
Under, the setting of working condition threshold value (such as two kinds of data bit, it is another for temperature data threshold value to be arranged under a kind of data bit state
For humidity data threshold value to be arranged under kind data bit state).In order to avoid hand tremor accidentally press the button in circuit it is related by
Key can be set key and eliminate shake program, to reduce because artificial origin's mistake presses the button information input caused by circuit
Inaccuracy.After disappear to key circuit and trembling operation, push button signalling through disappearing tremble processing after information is transmitted to again under
One step is handled.
The one end resistance R1 is connect with the P3.3 pin of single-chip microcontroller governor circuit in buzzer alarm circuit, when system judges
The soil moisture data that the temperature data and humidity sensor 8 that DS18B20 temperature sensor is passed back are passed back is not in key circuit
When in the normal range (NR) of setting, that is, and threshold value of the temperature data higher than setting, threshold value of the humidity data lower than setting, single-chip microcontroller master control
The P3.3 pin of circuit issues high level, and triode Q1 is turned off, and 5V voltage occur in the both ends buzzer B1 in buzzer alarm circuit
Difference, buzzer work, and voltage difference occur in the both ends light emitting diode D1 in buzzer alarm circuit, issue light warning signal；Together
When drives 5V pumping motor movement in pumping motor circuit, and (pumping motor circuit connects direct current using the Current amplifier effect of triode
The on-off of the power supply of motor control direct current generator is to realize the work using low level signal control direct current generator), give soil
Moisturizing cooling.The soil moisture data that the temperature data or humidity sensor passed back when DS18B20 temperature sensor are passed back exists
When working in the normal range, there is low level in P3.3, and the conducting of the both ends triode Q1, buzzer does not have with diode both ends at this time
Voltage difference.
Wherein, DS18B20 temperature sensor is accessed using single port, directly enters a first to detect its resistance value and table look-up
It realizes to the real-time detection of its temperature, VCC pin is that modular power source pin connects power module 6 for being system power supply,
DATA exports its real-time resistance value to single-chip microcontroller governor circuit for connecting single-chip microcontroller governor circuit universal input output pin
Conversion becomes temperature value data, and GND is its grounding pin.In order to guarantee its steady operation, also in its port DATA and the port VCC
The resistance that a tissue in parallel is 10000 ohm.
What humidity sensor exported in moisture sensor module is analog signal, and single-chip microcontroller governor circuit can not directly be known
Not, therefore system has used ADC0832 to carry out the digital-to-analogue conversion for the analog signal that humidity sensor is passed back.Wherein ADC0832
CHO pin connects humidity sensor output output pin to chip at work, then carries out humidity in the case where its CS pin is set low
The digital-to-analogue conversion of signal.
Single-chip microcontroller governor circuit relevant pins control LCD1602 liquid crystal display and load the phases such as soil moisture and environment temperature
Information is closed, single-chip microcontroller governor circuit controls the continuous refresh data of LCD1602 liquid crystal display at the same time.Pass through key in user
When the upper lower limit value of circuit setting environment temperature and soil moisture, the ginseng of LCD1602 liquid crystal display real-time display user setting
Number information.When LCD1602 liquid crystal display needs refreshing information, single-chip microcontroller governor circuit is set low by controlling relevant pins,
Then refresh data is sent in LCD1602 liquid crystal display by parallel data line, to complete this refresh process
(brightness of LCD1602 liquid crystal display can be configured by third pin, so as to the most bright realization of lamplight modulation
The numerical value that LCD1602 liquid crystal display is shown can be observed under most bright ring border.Other pins by way of serial communication with
Single-chip microcontroller governor circuit universal input output pin is connected, to receive the display information of single-chip microcontroller governor circuit output, wherein D0-
D7 is the data-out pin of system, is connected directly with single-chip microcontroller governor circuit for updating display data information.LCD1602 liquid
Crystal display screen is connected by general purpose I/O pin with single-chip microcontroller governor circuit, wherein LCD1602 data in liquid crystal display screen pin and P0
The pin of part 8 connects, and control pin is connected with P1.0-P1.2.When single-chip microcontroller governor circuit needs and LCD1602 liquid crystal display
When carrying out communication display related data, write-in and refreshing instruction are sent to single-chip microcontroller governor circuit by P1.0-P1.2, then led to
Related display can be carried out by crossing the pin input display information of the part P0 8).
Above in conjunction with figure, the embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned realities
Mode is applied, it within the knowledge of a person skilled in the art, can also be in the premise for not departing from present inventive concept
It is lower that various changes can be made.
Claims (9)
1. one kind is based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: including pumping motor circuit, buzzer
Warning circuit, DS18B20 temperature sensor, LCD1602 liquid crystal display, single-chip microcontroller governor circuit, power interface circuit, key
Circuit, moisture sensor module；Wherein single-chip microcontroller governor circuit and pumping motor circuit, buzzer alarm circuit, DS18B20 temperature
It spends sensor, LCD1602 liquid crystal display, key circuit and moisture sensor module to be connected, power interface circuit is for powering.
2. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: the monolithic
Machine governor circuit uses STC89C52；The P1.6 pin of STC89C52 is connected with pumping motor circuit；The P3.3 of STC89C52 draws
Foot connects buzzer alarm circuit；The P1.7 pin of STC89C52 is connect with the data port DATA of DS18B20 temperature sensor；
The P01-P07 pin of STC89C52 connects the DB0-DB7 pin of LCD1602 liquid crystal display, the P1.0-P1.2 pin of STC89C52
It is connected with LCD1602 liquid crystal display control pin；The VCC pin of STC89C52 connects the VCC interface of power interface circuit；
The P3.5-P3.7 of STC89C52 is used to receive the key information that key circuit transmitting comes；The P1.3-P1.5 pin of STC89C52 with
D/A converter module ADC0832 is connected in moisture sensor module；X1, X2 pin of STC89C52 is for receiving outside single-chip microcontroller
The RST pin of the clock signal of clock module, STC89C52 is responsible for reset circuit.
3. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: described to draw water
Motor circuit includes triode Q2, resistance R5, capacitor C4,5V pumping motor P1；Wherein order piece owner in the one end resistance R5 controls electricity
The P1.6 pin on road, the one end capacitor C4,5V pumping motor P1 connect the GND pin of single-chip microcontroller governor circuit, and capacitor C4,5V draw water electricity
The collector of another termination triode Q2 of machine P1, the base stage of another termination triode Q2 of resistance R5, the emitter of triode Q2 connect
The VCC interface of power interface circuit.
4. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: the buzzing
Device warning circuit is made of buzzer B1, light emitting diode D1, triode Q1, resistance R1, resistance R3；The one end resistance R1 and monolithic
The P3.3 pin of machine governor circuit connects, and the base stage of another termination triode Q1 of resistance R1, the emitter of triode Q1 connects power supply
The VCC interface of interface circuit, the collector of triode Q1 meet one end of buzzer B1, light emitting diode D1, light emitting diode D1
Another terminating resistor R3 one end, resistance R3, buzzer B1 the other end ground connection.
5. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: described
DS18B20 temperature sensor is accessed using single port, and VCC pin is the VCC interface that modular power source pin connects power interface circuit,
Its DATA is used to connect the P1.7 pin of single-chip microcontroller governor circuit, and GND is its grounding pin, and DATA pin and VCC pin are simultaneously
The resistance R16 that a resistance value is 10000 ohm is joined.
6. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: described
For LCD1602 liquid crystal display as display equipment, VCC pin meets the VCC interface of power interface circuit, GND pin ground connection, VO
Pin is grounded through swept resistance R2, and DB0-DB7 pin respectively corresponds the P01-P07 pin for connecing single-chip microcontroller governor circuit, RS pin,
RW pin, E pin connect the P1.0-P1.2 pin of single-chip microcontroller governor circuit respectively.
7. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: the power supply
Interface circuit is made of self-lock switch P2, self-lock switch SW1, capacitor C5；1 pin and in self-lock switch SW1 1 in self-lock switch P2
Pin is connected, and 2 pins are connected with key S2 ground terminal in 3 pins in self-lock switch P2, key circuit in self-lock switch P2,
The connecting line outlet being formed by is grounded, and 2 pins are formed by company with key S2 ground terminal in key circuit in self-lock switch P2
Wiring is connected with one end of capacitor C5, and the other end of 2 pins, capacitor C5 are as VCC interface and pumping motor in self-lock switch SW1
Circuit, buzzer alarm circuit, DS18B20 temperature sensor, LCD1602 liquid crystal interface 4, single-chip microcontroller governor circuit and humidity pass
Sensor module connection provides 5V voltage.
8. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: the key
Circuit uses three keys, and three keys are respectively key S2, key S3, key S4, key S2, key S3, key S4 mono-
It holds and respectively corresponds the P3.5-P3.7 pin for connecing single-chip microcontroller governor circuit, key S2, key S3, key S4 other end earth,
Another termination power interface circuit of key S2.
9. according to claim 1 be based on monolithic processor controlled greenhouse irrigation system, it is characterised in that: the humidity
Sensor module is made of FC-28 humidity sensor P3, D/A converter module ADC0832；Draw the 1 of FC-28 humidity sensor P3
Foot, D/A converter module ADC0832 8 pins connect the VCC interface of power interface circuit, the 2 of FC-28 humidity sensor P3 are drawn
The 4 pins ground connection of foot, D/A converter module ADC0832,3 pins of FC-28 humidity sensor P3 connect D/A converter module
2 pins of ADC0832,5,6 pins in parallel of D/A converter module ADC0832 and the P1.5 pin of single-chip microcontroller governor circuit connect
It connects, 7 pins of D/A converter module ADC0832 are connect with the P1.4 pin of single-chip microcontroller governor circuit, D/A converter module
1 pin of ADC0832 is connect with the P1.3 pin of single-chip microcontroller governor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040014.9A CN109729891A (en) | 2019-01-16 | 2019-01-16 | One kind being based on monolithic processor controlled greenhouse irrigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040014.9A CN109729891A (en) | 2019-01-16 | 2019-01-16 | One kind being based on monolithic processor controlled greenhouse irrigation system |
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| CN109729891A true CN109729891A (en) | 2019-05-10 |
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| CN201910040014.9A Pending CN109729891A (en) | 2019-01-16 | 2019-01-16 | One kind being based on monolithic processor controlled greenhouse irrigation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113110165A (en) * | 2021-04-13 | 2021-07-13 | 四川轻化工大学 | Intelligent temperature and humidity monitoring and alarming system for yeast making house for making hard liquor |
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