CN213876392U - Intelligent irrigation measurement and control device - Google Patents
Intelligent irrigation measurement and control device Download PDFInfo
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- CN213876392U CN213876392U CN202023348808.9U CN202023348808U CN213876392U CN 213876392 U CN213876392 U CN 213876392U CN 202023348808 U CN202023348808 U CN 202023348808U CN 213876392 U CN213876392 U CN 213876392U
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Abstract
The utility model relates to an intelligence irrigation measurement and control device, include: the power panel comprises an alternating current input interface and a battery interface, the alternating current input interface is connected with a system power supply through a rectifying module, and the battery interface is connected with the system power supply through a DC/DC module; the control panel includes MCU, and MCU is connected with serial communication interface, analog quantity input interface and pulse input interface, analog quantity input interface is used for connecting external sensor, pulse input interface is used for connecting the sensor that is used for detecting the well door switching. The utility model has rich interfaces, which not only comprises a serial communication interface, but also comprises a pulse input interface and an analog input interface, thereby not only providing support for various sensors, but also monitoring the opening and closing conditions of the well door; moreover, the power supply stability is ensured by adopting double power supplies.
Description
Technical Field
The utility model relates to a field, especially a measurement and control device are irrigated to intelligence.
Background
With the continuous improvement of agricultural automation and intelligent level, the application of agricultural intelligent equipment is more and more extensive.
At present, an intelligent irrigation terminal in the field of intelligent irrigation generally has the functions of monitoring information of various sensors, controlling the work of a water pump, uploading data to a cloud end and the like. For example, an intelligent irrigation terminal with publication number CN 210782397U, as shown in fig. 1, includes an irrigation control board, which provides functions of power metering (for recording the power consumption of a water pump), information acquisition (acquiring information of various acquisition devices), information display, encryption remote, card swiping (for card swiping consumption settlement), and the like.
The problems with this solution are: 1, 4-20mA sensors are widely applied in the field of irrigation, and the scheme lacks support; 2, the intelligent irrigation terminal is mostly arranged in a well house, and the terminal lacks monitoring on the well house; 3, the scheme adopts a 380V power supply design, but the situations such as power failure and the like easily occur in an agricultural field, so that the terminal can not work normally.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide an intelligence irrigation measurement and control device for solve the above-mentioned various defects of prior art.
In order to achieve the above object, the utility model provides an intelligence irrigation measurement and control device, include: the power panel comprises an alternating current input interface and a battery interface, the alternating current input interface is connected with a system power supply through a rectifying module, and the battery interface is connected with the system power supply through a DC/DC module;
the control panel includes MCU, and MCU is connected with serial communication interface, analog quantity input interface and pulse input interface, analog quantity input interface is used for connecting external sensor, pulse input interface is used for connecting the sensor that is used for detecting the well door switching.
Furthermore, the power panel still includes electric energy metering module, and electric energy metering module includes pulse output and the serial ports output of the same kind all the way, pulse output is connected to the control panel, on the control panel, keeps apart through the opto-coupler and connects pulse output interface.
Furthermore, the MCU is also in control connection with a power output interface, and the power output interface is used for outputting a system power to the outside.
Furthermore, the serial communication interface, the analog input interface and the pulse input interface are all connected with the MCU through corresponding optical coupling isolation.
Further, MCU still is connected with wireless communication module, wireless communication module includes Lora module and 4G module.
Furthermore, the MCU is also connected with a human-computer interaction module.
Further, the serial communication interface comprises a 485 interface and a 232 interface.
The utility model has the advantages that: the utility model has rich interfaces, not only comprises a serial communication interface, but also comprises a pulse input interface and an analog input interface, which not only can support various sensors, but also can connect a sensor (such as a proximity switch) for detecting the opening and closing of the well door through the pulse input interface, thereby monitoring the opening and closing condition of the well door; moreover, the power supply stability is ensured by adopting double power supplies.
The utility model discloses power output interface has still been set up for peripheral hardware power supplies such as external instruments, external instruments etc. just need not set up the power alone, greatly reduced system cost.
Drawings
FIG. 1 is a circuit schematic of the prior art;
fig. 2 is a schematic circuit diagram of the present invention.
Detailed Description
As shown in fig. 2, the utility model comprises a housing, a control panel and a power panel are arranged in the housing, and the power panel is used for connecting an external power supply, metering electric quantity and the like; the control panel is used for information acquisition, output, communication and the like. The utility model discloses an intelligence is irrigated and is observed and controled device can install in the well house to guarantee the alternating current supply.
Specifically, the power panel adopts a dual power supply design and provides a 380V alternating current interface and a battery interface. The 380V alternating current interface generates 12V voltage through the rectifying module and provides the voltage for the whole system; the battery interface is connected with a backup battery, and after a 380V power grid is powered off, the backup battery generates 12V voltage through DC/DC, so that a short-time backup power supply is provided for the whole system, and the system can execute emergency tasks to maintain the safety of the whole system. The power panel also comprises an electric energy metering module device which is used for metering the power consumption of the water pump. The electric energy metering module provides two paths of outputs, one path is pulse output and is connected to the control panel, and the pulse output is provided to the outside through the optical coupling isolation module of the control panel; and the other path is a 232 interface which is connected to the MCU of the control panel and is displayed after being processed by the MCU.
The control panel includes:
the MCU, namely the main control module, is the core of the device and is responsible for the processing and operation of the processes of external information acquisition, communication, control, man-machine interaction and the like of the whole device, a high-performance ARM processor is adopted, the main frequency reaches 120MHz, and the real-time rapid operation processing can be carried out on various information.
The pulse output interface is a passive interface, and the electric energy pulse output by the electric energy metering module of the power panel is output after being isolated by the optical coupler, so that the metering parameters of the electric energy metering module can be calibrated, and meanwhile, the pulse output interface can also be used as an interface for collecting electric energy of a third party.
The module has an overcurrent protection function, is controlled by the MCU, and is isolated from the MCU by photoelectric coupling so as to ensure that the main module is not easily influenced by external power supply equipment. The 12V output interface is connected with a cable, and the cable is bound with pipelines such as a water pipe and the like and extends outwards.
The card swiping module adopts a near field communication technology, provides a card swiping interface for a user, and the user can swipe the card through the module in cooperation with a CPU card to pay the fee so as to use the equipment for irrigation. The encryption circuit and the card swiping circuit of the module are communicated with the main control module through the SPI bus, the speed is high, and the real-time performance is good. The encryption circuit adopts an ESAM hardware encryption chip for encryption, is difficult to crack, has good safety, and ensures the fund safety when a user punches a card to pay fee and deducts time.
The wireless communication module comprises a Lora module and a 4G module; the Lora module adopts a spread spectrum technology, is long in communication distance, low in power consumption and strong in anti-interference capability, is suitable for long-distance communication, and can communicate with various peripherals supporting Lora. The Lora module is communicated with the main control module through an SPI bus interface. The 4G module is designed by adopting the latest LTE Cat1 technical standard, communicates with the main control module by adopting a UART port, can quickly report various information such as card swiping consumption process, record, terminal faults and the like of a user, can report related information to a terminal manager even when the whole system is powered off, can help the manager to quickly judge various faults and timely solve various field faults, and improves the using satisfaction degree of terminal using clients.
The man-machine interaction module comprises 2 keys and 1 liquid crystal display screen and can display voltage, current, electric quantity and water quantity acquired by the terminal, various state information of the terminal, user card swiping irrigation information, user consumption information and the like. The display screen adopts a national network acquisition terminal 160X 160 liquid crystal display screen, and the display screen is communicated with the main control module through an 8080 interface.
An input interface: the method comprises the following steps: RS485 interface, RS232 interface, pulse input, switching value input interface, analog input interface. All interfaces are isolated by optical couplers so as to protect the electrical safety of the main control module. The RS485 interface can be externally connected with various electric meters, water meters, sensors and the like which support the interface, and various information such as flow, water level and the like is collected, so that the most scientific planning can be conveniently made for farmland irrigation, water and electricity are saved, and the farmland is protected. The RS232 interface is used for field device debugging. The pulse input interface can be externally connected with pulse signals and various switch level signals of the pulse type electric meter, the door opening and closing state of the well house can be detected according to the use scene of the device, for example, a proximity switch is arranged on the well house door, and the proximity switch is triggered when the door is opened, so that the switch level signals are generated, and the pulse input interface can detect the switch level signals; the analog input interface supports 4-20mA analog input, can be connected with various sensors and other acquisition equipment outputting 4-20mA signals, has strong anti-interference performance and long transmission distance, and is very suitable for industrial field communication.
Switching value output interface (not shown in fig. 2): the switching value output can support control of maximum 220V/20A (resistive) capacity load. The input interface and the output interface are more in quantity and various in types, and the expansibility of the equipment is greatly increased, so that the terminal equipment can meet various different application scenes and requirements.
Claims (7)
1. The utility model provides an intelligence irrigation measurement and control device which characterized in that includes: the power panel comprises an alternating current input interface and a battery interface, the alternating current input interface is connected with a system power supply through a rectifying module, and the battery interface is connected with the system power supply through a DC/DC module;
the control panel includes MCU, and MCU is connected with serial communication interface, analog quantity input interface and pulse input interface, analog quantity input interface is used for connecting external sensor, pulse input interface is used for connecting the sensor that is used for detecting the well door switching.
2. The intelligent irrigation measurement and control device of claim 1, wherein the power board further comprises an electric energy metering module, the electric energy metering module comprises a pulse output and a serial port output, the pulse output is connected to the control board, and the pulse output interface is connected to the control board after the pulse output is isolated by the optical coupler.
3. The intelligent irrigation measurement and control device of claim 1, wherein the MCU further controls and connects a power output interface for outputting system power to the outside.
4. The intelligent irrigation measurement and control device of claim 1, wherein the serial communication interface, the analog input interface and the pulse input interface are connected to the MCU through corresponding optical coupling isolation units.
5. The intelligent irrigation measurement and control device of claim 1, wherein the MCU is further connected with a wireless communication module, and the wireless communication module comprises a Lora module and a 4G module.
6. The intelligent irrigation measurement and control device of claim 1, wherein the MCU is further connected with a human-computer interaction module.
7. The intelligent irrigation measurement and control device of claim 4 wherein the serial communication interface comprises a 485 interface and a 232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023348808.9U CN213876392U (en) | 2020-12-31 | 2020-12-31 | Intelligent irrigation measurement and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023348808.9U CN213876392U (en) | 2020-12-31 | 2020-12-31 | Intelligent irrigation measurement and control device |
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| CN213876392U true CN213876392U (en) | 2021-08-03 |
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| CN202023348808.9U Active CN213876392U (en) | 2020-12-31 | 2020-12-31 | Intelligent irrigation measurement and control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687137A (en) * | 2021-08-11 | 2021-11-23 | 国网河北省电力有限公司衡水供电分公司 | Data display device of three-phase multifunctional intelligent meter and data transmission method thereof |
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2020
- 2020-12-31 CN CN202023348808.9U patent/CN213876392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687137A (en) * | 2021-08-11 | 2021-11-23 | 国网河北省电力有限公司衡水供电分公司 | Data display device of three-phase multifunctional intelligent meter and data transmission method thereof |
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