CN206584191U - Water-fertilizer integral stem controller based on Internet of Things - Google Patents
Water-fertilizer integral stem controller based on Internet of Things Download PDFInfo
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- CN206584191U CN206584191U CN201720155814.1U CN201720155814U CN206584191U CN 206584191 U CN206584191 U CN 206584191U CN 201720155814 U CN201720155814 U CN 201720155814U CN 206584191 U CN206584191 U CN 206584191U
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- water
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- fertilizer integral
- integral stem
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Abstract
The utility model is related to field field of intelligent control, specifically related to a kind of water-fertilizer integral stem controller based on Internet of Things, including embedded MCU part and respectively the A/D conversion portions of connection corresponding with embedded MCU part, relay switch control section, transistor output par, c, Independent keys part, display portion, real-time clock part, data storage section, On-off signal part and communication part, in addition to the Power convert part of electricity is provided for each several part.Have the beneficial effect that：The functions such as A/D collections, relay switch control, data communication that general water-fertilizer integral stem controller is realized can be met, when can also meet small-scale farmland implementation water-fertilizer integral, peasant household's Self-operating fertigation.
Description
Technical field
The utility model is related to field field of intelligent control, and in particular to a kind of water-fertilizer integral stem based on Internet of Things
Controller.
Background technology
At present, the most inclusion combined network communication part of existing water-fertilizer integral stem controller, A/D modular converters and after
All stem control devices, field information soil information in electric switch control section, agriculture Internet of Things water-fertilizer integral system
Collecting device, field control device etc. are focused in an Internet of Things network, and stem system mode is gathered by stem controller
Information is sent to Internet of Things control centre, and Internet of Things control centre intelligent decision system control stem controller shows in zonule
In model environment, good using effect can be reached.But, in actual crop field water-fertilizer integral garden system, garden is bigger, needs
The Internet of things node number wanted is more, and excessive node easilys lead to depth route in network, so as to cause control system real-time
Property difference even there is communication blockage phenomenon, cause systemic breakdown.On the other hand, water-fertilizer integral is at home also in a step
Section, realizes that the region of concentration of landholdings management is less, and most area fertigation is mainly peasant household oneself operation completion, and above-mentioned
System can only control water-fertilizer integral system, poor practicability in Internet of Things control centre.
The content of the invention
Problem to be solved in the utility model is to provide a kind of achievable alleviation Internet of Things pressure communication, improves system real-time
Property, while realizing that water-fertilizer integral stem system departs from Internet of Things control centre, the water based on Internet of Things that can be worked independently
Fertile integration stem controller.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
A kind of water-fertilizer integral stem controller based on Internet of Things, including embedded MCU part and respectively with it is described
A/D conversion portions, relay switch control section, transistor output par, c, the Independent keys of embedded MCU part correspondence connection
Partly, display portion, real-time clock part, data storage section, On-off signal part and communication part, in addition to be each portion
Divide the Power convert part that electricity is provided.
It is preferred that, the embedded MCU part includes external crystal oscillation circuit and reset circuit, constitutes minimum system.
It is preferred that, the relay switch control section is included no less than control relay circuit all the way, the relay
Device control circuit includes relay J and NPN type triode Q1, and relay J coil one end and triode Q1 colelctor electrode are electrically connected
Connect, the connection corresponding with Power convert part of the relay J coil other end, triode Q1 base stage is by resistance R1 and is just connecing
Diode D1 electrical connections corresponding with embedded MCU part, triode Q1 transmitting collection connects Power convert part negative pole.
It is preferred that, the display portion includes LCD display.
It is preferred that, On-off signal part includes the light-coupled isolation chip no less than one, the light-coupled isolation chip
Input is connected with external switch signal, output end connection corresponding with embedded MCU part.
It is preferred that, the A/D conversion portions include the analog input interface no less than four tunnels.
It is preferred that, the communication part includes GPRS communication module, the zigbee communication modules no less than one, RS232
Communication module and RS485 modules.
Advantageous effects of the present utility model are：
1. the A/D collections of general water-fertilizer integral stem controller realization, relay switch control, data can be met
The functions such as communication, when can also meet small-scale farmland implementation water-fertilizer integral, peasant household's Self-operating fertigation, it is not necessary to logical
The control water-fertilizer integral operation of Guo Zai Internet of Things control centre.
2. being communicated including the zigbee no less than one, Internet of Things uplink communication and downgoing communication can be separated, greatly
The pressure communication for alleviating Internet of Things, effectively improve the real-time and reliability of control system.
3. with Independent keys part, the direct Configuration Control Unit parameter in Independent keys part, control controller work can be passed through
Make, more meet the operating habit of current people, it is practical.
Brief description of the drawings
Fig. 1 is frame diagram of the present utility model；
Fig. 2 is the control relay circuit circuit theory diagrams of Fig. 1 repeat circuit switching control sections；
Fig. 3 is the circuit theory diagrams of transistor output par, c in Fig. 1；
Fig. 4 is the circuit theory diagrams of Independent keys part in Fig. 1；
Fig. 5 is the circuit theory diagrams of real-time clock part in Fig. 1；
Fig. 6 is the circuit theory diagrams of data storage section in Fig. 1；
Fig. 7 is the circuit theory diagrams of On-off signal part in Fig. 1.
Embodiment
Embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples；
Embodiment 1：A kind of water-fertilizer integral stem controller based on Internet of Things, as shown in figure 1, including embedded MCU
Part, respectively the A/D conversion portions of connection corresponding with embedded MCU part, relay switch control section, transistor output section
Point, Independent keys part, display portion, real-time clock part, data storage section, On-off signal part and communication part,
And the Power convert part of electricity is provided for each part mentioned above.Embedded MCU part includes external crystal oscillation circuit and resets electricity
Road.
A/D conversion portion external connection pipelines pressure sensor, pipeline water flow quantity sensor, pipe flow speed sensor, after
Electric switch control section connects external communication contactor, transistor output par, c connection external alert lamp, buzzer, display part
Divide the pipeline conditions data of display A/D conversion portion collections and the state of relay switch.On-off signal portion of external is connected
Stem water pump state-feedback circuit, RS232, RS485 communication part connection collecting device export controller of data communication part
Data, zigbee communication modules U1 is responsible for uplink communication, is wirelessly connected to Internet of Things control centre, and zigbee communication modules U4 is born
Downgoing communication is blamed, Internet of Things control subordinate wireless device is set up, GPRS communication module is by GPRS network by controller data
Pass to remote server.
A/D conversion portions include analog input interface AIN1+, AIN2+, AIN3+, the AIN4+ on four tunnels, A/D conversions
The V_SENSOR output ends of partial power input V_SENSOR connection Power converts part, output terminals A IN1, AIN2,
AIN3, AIN4 are connected respectively to the input of embedded MCU part；The signal input part AIN1+ of A/D conversion portions, AIN2+,
AIN3+, AIN4+ connect four road external analog signals respectively, and A/D conversion portions are by analog signal by isolation, signal transacting and A/D
After conversion, embedded MCU part is input to.
As shown in Fig. 2 relay switch control section includes two-way connected mode identical control relay circuit, such as scheme
Shown in 2, the output end of the equal OD connection embedded MCUs part of input of control relay circuit, including relay J and NPN type
Triode Q1, relay J coil one end are electrically connected with triode Q1 colelctor electrode, relay J the coil other end and power supply
Conversion portion correspondence is connected, and triode Q1 base stage is corresponding with embedded MCU part by resistance R1 and the diode D1 just connect
Electrical connection, triode Q1 transmitting collection connects Power convert part negative pole.Embedded MCU part passes through triode current amplification circuit
Controlling stream crosses relay JDQA coils, and then the break-make of control relay normally opened contact.
As shown in figure 3, the output end of the power input V_SENSOR connection Power converts part of transistor output par, c
V_SENSOR, the output end of control signal ODA, the ODB connection embedded MCU part of transistor output par, c, by two poles
Darlington transistor Q2 base stage is accessed after pipe D3, resistance R3, transistor Q2 electric current is flowed through in control.Transistor Q2 output par, cs
Output end connection external acousto-optical warning device, transistor Q2 output par, cs receive the control signal of embedded MCU part output,
Controlling transistor Q2 output par, c output currents, and then control external acousto-optical warning device.
As shown in figure 4, Independent keys part is connected to the input of embedded MCU part after pull-up resistor, it is independent
The key assignments of key part is input to embedded MCU part.
As shown in figure 5, real-time clock part master chip U10 uses DS1302, U10 X1, X2 connect external crystal crystal oscillator,
VBAT connects the output of external backup battery supply, and clock control FSCK, data FI/O, enable EN1302 are connected to embedded MCU portion
The input divided, real-time clock part provides the time for water-fertilizer integral stem controller.
Display portion includes LCD display, model LCD12864, parallel data bus line DB0-DB7, address bus ID1-
ID4, Enable Pin ENLCD, Read-write Catrol end R/W, data/commands control end D/I, backlight control end LED0-LED1 are connected to embedding
Enter the output end of formula MCU parts, display portion shows the output signal from embedded MCU part.
As shown in fig. 6, data storage section master chip U11 uses EEPROM24C32, U11 is logical using I2C bus modes
News, the I2C buses of embedded MCU part are connected to by SDA, SCL, WP, receives and stores the number from embedded MCU part
According to protecting data power down not lose.
As shown in fig. 7, On-off signal part is mainly high speed photo coupling isolating chip TLP281-1, the input of optocoupler
P24 is connected to the output end of Power convert part, DIN6, DIN5 input external switch signal, the connection insertion of output end ID5, ID6
The input of formula MCU parts.
Data communication part leads to comprising RS232 communicating circuits, RS485 communicating circuits, 2 road zigbee communicating circuits, GPRS
Interrogate circuit, the chips of four communicating circuits be respectively MAX3232, technical grade differential signal control chip 75LBC184, CC2531,
SIM900A, they are connected to the serial port of embedded MCU part by serial ports, and signal is transmitted in both directions, data communication part
By communication Protocol Conversion, allow embedded MCU part and peripheral device communication.
Externally fed is connected to the input P24 of Power convert part, by switching power source chip LM2576/ADJ pressure regulation,
V_SENSOR is output to after the filtering of the elements such as resistance, electric capacity, inductance, electricity is provided for A/D conversion portions, transistor output par, c
Source；Switching power source chip LM2576/5V pressure regulation is passed through on another road, and D5V+ is exported after the filtering of the element such as resistance, electric capacity, inductance, then
Linear power supply chip LM1117 output D3.3+ are flowed through, power supply is provided for controller digital circuits section, the D5+ power supplys of output connect
UA2 is connected to, COM_5V+ is exported after the isolation of DC-DC isolators, power supply is provided for the RS485 communications of data communication part.
The working method of the stem controller is：Embedded MCU part is by gathering the analog quantity numbers of A/D conversion portions
According to, by Independent keys part obtain user instruction, by real-time clock part obtain external time, pass through On-off signal portion
Separately win and take external device status.Embedded MCU part will be located by being carried out to above-mentioned part after processing computing by display portion
Result after reason is shown on LCD display, is set by relay switch control section and transistor output par, c control outside
It is standby, while writing data into data storage section.The two-way zigbee communication modules that embedded MCU part passes through communication part
Communication and downgoing communication above and below Internet of Things are divided into two independent networks, alleviates Internet of Things network pressure, increases Internet of Things
Stability and real-time.Embedded MCU part upload the data to host computer by the GPRS communication module of communication part.
The utility model is described in detail above in conjunction with drawings and examples, still, the skill of art
Art personnel, can also be specific to each in above-described embodiment it is understood that on the premise of the utility model objective is not departed from
Parameter is changed, and is formed multiple specific embodiments, is common excursion of the present utility model, no longer detailed one by one herein
State.
Claims (7)
1. a kind of water-fertilizer integral stem controller based on Internet of Things, it is characterized in that, including embedded MCU part and difference
The A/D conversion portions of connection corresponding with the embedded MCU part, relay switch control section, transistor output par, c, solely
Vertical key part, display portion, real-time clock part, data storage section, On-off signal part and communication part, in addition to
The Power convert part of electricity is provided for each several part.
2. the water-fertilizer integral stem controller according to claim 1 based on Internet of Things, it is characterized in that, it is described embedded
MCU parts include external crystal oscillation circuit and reset circuit.
3. the water-fertilizer integral stem controller according to claim 1 based on Internet of Things, it is characterized in that, the relay
Switching control section is included no less than control relay circuit all the way, and the control relay circuit includes relay J and NPN
Type triode Q1, relay J coil one end are electrically connected with triode Q1 colelctor electrode, relay J the coil other end and electricity
Source conversion portion correspondence is connected, and triode Q1 base stage passes through the resistance R1 and diode D1 just connect and embedded MCU part pair
It should electrically connect, triode Q1 transmitting collection connects Power convert part negative pole.
4. the water-fertilizer integral stem controller according to claim 1 based on Internet of Things, it is characterized in that, the display part
Dividing includes LCD display.
5. the water-fertilizer integral stem controller according to claim 1 based on Internet of Things, it is characterized in that, On-off signal
Part includes the light-coupled isolation chip no less than one, and the input of the light-coupled isolation chip is connected with external switch signal,
Output end connection corresponding with embedded MCU part.
6. the water-fertilizer integral stem controller according to claim 1 based on Internet of Things, it is characterized in that, the A/D turns
Changing part includes the analog input interface no less than four tunnels.
7. the water-fertilizer integral stem controller according to claim 1 based on Internet of Things, it is characterized in that, the communication section
Zigbee communication module, RS232 communication module and RS485 module of the subpackage containing GPRS communication module, no less than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720155814.1U CN206584191U (en) | 2017-02-21 | 2017-02-21 | Water-fertilizer integral stem controller based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720155814.1U CN206584191U (en) | 2017-02-21 | 2017-02-21 | Water-fertilizer integral stem controller based on Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584191U true CN206584191U (en) | 2017-10-24 |
Family
ID=60091350
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720155814.1U Expired - Fee Related CN206584191U (en) | 2017-02-21 | 2017-02-21 | Water-fertilizer integral stem controller based on Internet of Things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710331A (en) * | 2018-07-17 | 2018-10-26 | 中国烟草总公司河南省公司 | A kind of Internet of Things soya-bean milk pouring root fertilising machine controller |
-
2017
- 2017-02-21 CN CN201720155814.1U patent/CN206584191U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710331A (en) * | 2018-07-17 | 2018-10-26 | 中国烟草总公司河南省公司 | A kind of Internet of Things soya-bean milk pouring root fertilising machine controller |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20180221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |