CN216533007U - Control device for agricultural irrigation - Google Patents
Control device for agricultural irrigation Download PDFInfo
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- CN216533007U CN216533007U CN202120611905.8U CN202120611905U CN216533007U CN 216533007 U CN216533007 U CN 216533007U CN 202120611905 U CN202120611905 U CN 202120611905U CN 216533007 U CN216533007 U CN 216533007U
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Abstract
The utility model discloses a control device for agricultural irrigation, which comprises an ammeter, a water meter, a main control module, a relay module and an RS485 acquisition module, wherein the ammeter is connected with the main control module; the relay module and the RS485 acquisition module are respectively electrically connected with the main control module; the ammeter is electrically connected with the RS485 acquisition module and is used for acquiring power consumption during agricultural irrigation and sending the power consumption to the RS485 acquisition module; the water meter is electrically connected with the RS485 acquisition module and used for acquiring water consumption during agricultural irrigation and sending the water consumption to the RS485 acquisition module; the relay module is connected with the water pump; and the main control module is used for receiving a control instruction sent by the remote cloud, sending the control instruction to the relay module to control the working state of the water pump, and uploading the acquired power consumption and water consumption to the cloud. The utility model can remotely control the water pump and acquire relevant data in the working process of the water pump in real time, thereby providing a data basis for the subsequent irrigation plan formulation.
Description
Technical Field
The utility model relates to agricultural irrigation equipment, in particular to a control device for agricultural irrigation.
Background
At present, in an agricultural irrigation system, because the coverage of a farmland is wide, the control of a water pump is generally controlled remotely. However, when the water pump is remotely controlled, communication is prone to failure due to signal interference and the like, and therefore an intelligent gateway for the agricultural irrigation system is urgently needed to achieve remote control of the water pump.
SUMMERY OF THE UTILITY MODEL
In order to overcome the disadvantages of the prior art, the utility model aims to provide a control device for agricultural irrigation, which can realize remote irrigation control.
The purpose of the utility model is realized by adopting the following technical scheme:
a control device for agricultural irrigation comprises an ammeter, a water meter, a main control module, a relay module and an RS485 acquisition module; the relay module and the RS485 acquisition module are respectively electrically connected with the main control module; the ammeter is electrically connected with the RS485 acquisition module and is used for acquiring power consumption during agricultural irrigation and sending the power consumption to the RS485 acquisition module; the water meter is electrically connected with the RS485 acquisition module and is used for acquiring water consumption during agricultural irrigation and sending the water consumption to the RS485 acquisition module; the relay module is connected with the water pump; the main control module is used for receiving a control instruction sent by the remote cloud, sending the control instruction to the relay module to control the working state of the water pump, acquiring power consumption and water consumption through the RS485 acquisition module, and uploading the power consumption and the water consumption to the cloud.
Further, an environmental sensor and an analog meter are included; one end of the analog meter is electrically connected with the RS485 acquisition module, and the other end of the analog meter is electrically connected with the environment sensor and is used for acquiring environment data acquired by the environment sensor and sending the environment data to the RS485 acquisition module, so that the RS485 acquisition module sends the environment data to the main control module; the main control module is also used for uploading the environmental data acquired by the RS485 acquisition module to a cloud end; the environment sensor is installed at the corresponding position of an irrigation farmland and used for acquiring environment data related to agricultural irrigation.
Further, the environment sensors comprise an air temperature sensor, an air humidity sensor, a soil temperature sensor, a soil humidity sensor, a PH sensor, a rainfall sensor, a CO2 sensor, an air pressure sensor, an illumination sensor and a wind sensor; wherein, air temperature sensor, air humidity sensor, soil temperature sensor, soil humidity transducer, PH sensor, rainfall sensor, CO2 sensor, baroceptor, light intensity sensor, wind sensor respectively with analog meter electric connection.
Further, including power module, host system, RS485 collection module respectively with power module electric connection.
Further, the power supply module comprises a 12V power supply module and a 3.3V power supply module; the 12V power supply module is used for converting an external power supply into a 12V power supply; the 3.3V power supply module is used for converting a 12V power supply into a 3.3V power supply; the 3.3V power supply module and the relay module are respectively electrically connected with the 12V power supply module; the main control module and the RS485 acquisition module are respectively electrically connected with the 3.3V power supply module.
Further, the 12V power supply module includes a plug P8, a transformer F2, a capacitor C33, a capacitor C34 and a diode D18; wherein, port 2 of the plug connector P8 outputs 12V power supply through the transformer F2, and port 1 is grounded; one end of a capacitor C33, one end of a capacitor C34 and the anode of a diode D18 are all electrically connected with the output end of the 12V power supply module, and the other end of a capacitor C33, the other end of a capacitor C34 and the cathode of a diode D18 are all grounded;
the 3.3V power supply module comprises a capacitor C35, a capacitor C36, a capacitor C37, a capacitor C38 and a chip U5; the port 1 of the chip U5 is grounded, the port 2 outputs 3.3V power, the port 2 is grounded through a capacitor C38, the port 2 is grounded through a capacitor C37, the port 3 is connected with 12V power, the port 3 is grounded through a capacitor C35, the port 3 is grounded through a capacitor C36, and the port 4 is grounded through a capacitor C37.
Further, the main control module includes a chip U4, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a capacitor C32, a switch S1, a resistor R45, a resistor R46, a resistor R47, a resistor R48, a resistor R49, a diode D16, a diode D15, a plug P7, a chip Y1, and a radio frequency head RFID 1; the port 1, the port 32, the port 48, the port 64, the port 19 and the port 13 of the chip U4 are all connected with a 3.3V power supply, and are grounded through a parallel circuit consisting of a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31 and a capacitor C32; port 31, port 47, port 63, port 18 and port 12 of the chip U4 are all grounded; the port 7 of the chip U4 is connected with a 3.3V power supply through a resistor R47, grounded through a capacitor C25 and grounded through a switch S1; the port 60 of the chip U4 is grounded through a resistor R46, and the port 28 is grounded through a resistor R45; port 29 of chip U4 is electrically connected to port 2 of rf head RFID1 and port 30 is electrically connected to port 3 of rf head RFID 1; port 1 of the radio head RFID1 is grounded;
the port 45 of the chip U4 is grounded through a resistor R49 and a diode D16; the port 44 of the chip U4 is grounded through a resistor R48 and a diode D15; the model of the chip U4 is STM32F103RET 6.
Further, the RS485 acquisition module comprises a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a chip SP1, a capacitor C14, a capacitor C17, an inductor L1, an inductor L2, a diode D5, a diode D6, a diode D7 and a socket P2;
the cathode of the diode D5 is grounded, and the anode is connected between the inductor L1 and the plug connector P2; the cathode of the diode D7 is grounded, and the anode is connected between the inductor L2 and the plug connector P2; the cathode of the diode D6 is connected between the inductor L1 and the plug connector P2, and the anode is connected between the inductor L1 and the plug connector P2; wherein, the water meter and the electric meter are electrically connected with the plug connector P2.
Further, the relay module comprises a multi-path relay control module; the input end of each path of relay control module is electrically connected with the corresponding port of the chip U4, the output end of one path of relay control module is connected with the water pump and used for controlling the working state of the water pump, and the output ends of the rest paths of relay control modules are connected with the corresponding water flow switches and used for controlling the working state of the water flow switches; the water flow switches are also connected with the water pump through pipelines; the water pump is used for conveying water to the water flow switch through a pipeline, so that the water flow switch conveys water to a farmland.
Further, the multi-way relay control module comprises 10 ways and a plug connector P3; the output end of each relay control module is electrically connected with the port 26, the port 27, the port 55, the port 56, the port 57, the port 58, the port 59, the port 61, the port 62 and the port 33 of the chip U3, and the output end is electrically connected with the corresponding port of the plug connector P3; the port 1 of the plug connector P3 is connected with a water pump, and the ports 2, 3, 4, 5, 6, 7, 8, 9 and 10 are connected with corresponding water flow switches;
each relay control module comprises a resistor R21, a resistor R23, a resistor R25, a triode Q6, a diode D8, a diode D9 and a relay switch; one end of the resistor R21 is connected with a 12V power supply, and the other end of the resistor R21 is electrically connected with a first input end of the relay switch;
one end of the resistor R25 is electrically connected with the port 26 of the chip U4, and the other end of the resistor R27 is grounded;
the base of the triode Q6 is connected between the resistor R25 and the resistor R27, the emitter is grounded, and the collector is connected between the resistor R21 and the relay switch through the diode D8;
one end of the diode D9 is connected with the first input end of the relay switch through the resistor R23, and the other end of the diode D9 is connected with the second input end of the relay switch;
the first output end of a relay switch of the first relay control module is electrically connected with a zero line of alternating current, and the second output end of the relay switch of the first relay control module is connected with a water pump through a port 1 of a plug connector P3;
the first output ends of the relay switches of the rest nine relay control modules are electrically connected with a zero line of alternating current, and the second output ends are respectively connected with corresponding water flow switches through ports 2, 3, 4, 5, 6, 7, 8, 9 and 10 of a plug connector P3; and the water pump and the water flow switch are also connected with a live wire of alternating current through a circuit board.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the control instruction sent by the cloud terminal is received by the main control module to control the relay module to control the start and stop of agricultural irrigation, so that the remote control of the agricultural irrigation is realized; corresponding power consumption, water consumption and other data are collected through the RS485 collection module and are sent to the main control module, and therefore the main control module uploads the data to the cloud, and data support is provided for agricultural irrigation.
Drawings
FIG. 1 is a block diagram of a control device for agricultural irrigation according to the present invention;
FIG. 2 is a partial circuit diagram of a chip U4 of the host module;
FIG. 3 is a partial circuit diagram of a chip U4 of the host module;
FIG. 4 is a circuit diagram of a test module;
FIG. 5 is a circuit diagram of an RS485 acquisition module;
FIG. 6 is a circuit diagram of a first relay module;
fig. 7 is a circuit diagram of the plug P3;
FIG. 8 is a circuit diagram of a 12V power module;
fig. 9 is a circuit diagram of a 3.3V power supply module.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The utility model provides a control device for agricultural irrigation, which is applied to an agricultural irrigation system and comprises an ammeter, a water meter, a main control module, a relay module and an RS485 acquisition module, wherein the ammeter, the water meter, the main control module, the relay module and the RS485 acquisition module are shown in figures 1-9.
Wherein, ammeter and RS485 collection module electric connection for power consumption and the sending of when acquireing agricultural irrigation are for RS485 collection module. The water meter is electrically connected with the RS485 acquisition module and is used for acquiring water consumption during agricultural irrigation and sending the water consumption to the RS485 acquisition module.
And the RS485 acquisition module is electrically connected with the main control module. The RS485 acquisition module sends the acquired water consumption and power consumption to the main control module, so that the main control module uploads the data to the cloud. That is, can realize the control to power consumption, the water consumption in the agricultural irrigation process through ammeter, water gauge. The embodiment can realize the connection of the RS485 equipment and the main control module through the RS485 acquisition module.
Preferably, this embodiment still includes AD acquisition module, and AD acquisition module and host system electric connection for gather the data that correspond equipment and transmit for host system. The AD acquisition module and the RS485 acquisition module can select the corresponding data acquisition module according to the actual equipment type so as to realize that the detection equipment uploads the detection data to the main control module.
Specifically, in the actual use process, one water pump can be connected with a plurality of water flow switches to supply water to the plurality of water flow switches. Therefore, the relay module is electrically connected with the water pump and the water flow switch and used for controlling the working states of the water pump and the water flow switch. More specifically, host system and relay module electric connection send the control command and send it for relay module through receiving high in the clouds to through relay module control water pump and water flow switch's operating condition, in order to realize long-range irrigation control.
More preferably, the present invention also includes environmental sensors and simulators. Wherein, the one end and the environmental sensor electric connection of analog meter, the other end and RS485 collection module electric connection for acquire environmental data and upload to RS485 collection module through environmental sensor, thereby make RS485 collection module send environmental data to host system and pass through host system and upload to the high in the clouds. The environmental data of agricultural irrigation is acquired, so that flexible control of agricultural irrigation, such as control of irrigation time, water quantity and the like, is facilitated.
Wherein, environmental sensor can install in the corresponding position of irrigating the farmland for detect the environmental data that irrigates the farmland and locate, can specifically install according to environmental sensor's type and actual demand. Preferably, the environment sensor comprises an air temperature sensor, an air humidity sensor, a soil temperature sensor, a soil humidity sensor, a PH sensor, a rainfall sensor, a CO2 sensor, an air pressure sensor, an illumination sensor and a wind power sensor, which are respectively used for detecting the air humidity, the air temperature, the soil humidity, the soil temperature, the PH value, the rainfall, the CO2 content, the air pressure, the illumination, the wind power and the like of the irrigated farmland. The data base is provided for the irrigation plan of the irrigation farmland through the real-time collection of the environmental data of the irrigation farmland.
Preferably, the main control module can also acquire environment data, water meter data and electric meter data at regular time through the RS485 acquisition module.
More preferably, when the system needs firmware upgrading, a remote mode can be adopted, that is, the cloud sends firmware data to the main control module through the MQTT, so that the main control module writes the firmware data into the FLASH to realize firmware upgrading, and the firmware can be prevented from being burnt again when returning to a factory.
More specifically, the electric meter in this embodiment may adopt a huali electric meter DTS541, or may adopt a Tianpu electric meter DTS 986. The water flow meter may be a grey meter, a blue ultrasonic meter XCT-2000 and a radar meter RD-600S.
Preferably, the analog meter may employ DAM-3058R.
Preferably, when the water pump is controlled, the main control module firstly acquires data of the electric meter and the water meter through the RS485 acquisition module. If the data of the electric meter and the water meter cannot be acquired or the electric meter and the water meter do not exist, the main control module cannot adopt any control instruction and returns a failure instruction to the cloud. That is, when the control device is not connected to the electric meter or the water meter, the water pump is not started to irrigate.
More preferably, as shown in fig. 2-3, the main control module in this embodiment includes a chip U4 and its peripheral circuits. Specifically, the main control module comprises a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a capacitor C32, a switch S1, a resistor R45, a resistor R46, a resistor R47, a resistor R48, a resistor R49, a diode D16, a diode D15, a plug P7, a chip Y1 and a radio frequency head RFID 1. The model of the chip U4 is STM32F103RET 6. In this embodiment, in order to better display each port of the chip U4, the chip U4 is divided into two parts, i.e., U4A and U4B, which can be referred to fig. 2 and fig. 3.
The port 1, the port 32, the port 48, the port 64, the port 19 and the port 13 of the chip U4 are all connected to a 3.3V power supply, and are grounded through a parallel circuit composed of a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31 and a capacitor C32.
More specifically, the port 16, the port 17 and the port 20 of the chip U4 are electrically connected with the RS485 acquisition module to acquire environmental data, water meter data, electricity meter data and the like through the RS 485.
Preferably, the main control module further comprises a test module for system testing. As shown in fig. 4, the test module specifically includes a resistor R50, a resistor R51, a resistor R52, a resistor R53, a resistor R54, a resistor R55, a resistor R56, a resistor R57, a resistor R58, a resistor R59, a resistor R60, a diode D17, a test port T1, a test port T2, a test port T3, a test port T4, and a test port T5.
One end of the resistor R50 is electrically connected with the port 11 of the chip U4, and the other end of the resistor R50 is electrically connected with the test port T1; one end of the resistor R51 is connected with a 3.3V power supply, and the other end is electrically connected with a test port T1.
One end of the resistor R52 is electrically connected with the port 24 of the chip U4, and the other end is electrically connected with the test port T2; one end of the resistor R53 is connected with a 3.3V power supply, and the other end is electrically connected with a test port T2.
One end of the resistor R54 is electrically connected with the port 25 of the chip U4, and the other end is electrically connected with the test port T3; one end of the resistor R55 is connected with a 3.3V power supply, and the other end is electrically connected with a test port T3.
Resistor R56 has one end electrically connected to port 9 of chip U4 and the other end connected to ground through diode D17.
One end of the resistor R57 is electrically connected with the port 37 of the chip U4, and the other end is electrically connected with the test port T4; one end of the resistor R58 is connected with a 3.3V power supply, and the other end is electrically connected with a test port T4.
One end of the resistor R59 is electrically connected with the port 10 of the chip U4, and the other end of the resistor R59 is electrically connected with the test port T5; one end of the resistor R60 is connected with a 3.3V power supply, and the other end is electrically connected with a test port T5.
More preferably, as shown in fig. 5, the RS485 acquisition module includes a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a chip SP1, a capacitor C14, a capacitor C17, an inductor L1, an inductor L2, a diode D5, a diode D6, a diode D7, and a socket P2. The port 1 of the chip SP1 is electrically connected to the port 16 of the chip U4 through a resistor R16, the ports 2 and 3 are electrically connected to the port 20 of the chip U4 through a resistor R17, the port 4 is electrically connected to the port 17 of the chip U4 through a resistor R18, the port 5 is grounded, the port 6 is connected to a 3.3V power supply through a resistor R19, the port 6 is electrically connected to the port 2 of the connector P2 through an inductor L2, the port 7 is grounded through a resistor R15, the port 7 is electrically connected to the port 1 of the connector P2 through an inductor L1, the port 8 is connected to the 3.3V power supply, and the port 8 is grounded through a capacitor C14.
One end of the capacitor C17 is electrically connected to the resistor R19, and the other end is grounded.
The cathode of the diode D5 is grounded, and the anode is connected between the inductor L1 and the plug P2. The cathode of the diode D7 is grounded, and the anode is connected between the inductor L2 and the plug P2. The cathode of the diode D6 is connected between the inductor L1 and the plug P2, and the anode is connected between the inductor L1 and the plug P2.
The main control module is connected with a corresponding port of the chip SP1 through the port 16, the port 17 and the port 20 respectively through the resistor R16, the resistor R17 and the resistor R18 to acquire data sent by the RS485 acquisition module, such as data of a water meter, data of an electric meter and data of an environmental sensor sent by a simulator. The plug-in connector P2 is used for externally connecting equipment such as an electric meter, a water meter and a simulator, and is connected to the plug-in connector P2 after being connected in parallel with external detection equipment, so that detection data are uploaded to the main control module through the RS485 acquisition module.
More preferably, the present embodiment further includes a power supply module. The input end of the power supply module is electrically connected with an external power supply, and the output end of the power supply module is used for outputting a corresponding power supply to be used by the main control module, the RS485 acquisition module and the relay module.
Preferably, the present embodiment implements start-stop control of the water pump through a relay switch. Specifically, when agricultural irrigation, generally erect the pipeline in the farmland to a plurality of water flow switch are installed, carry each water flow switch with water through the water pump, then control each water flow switch's operating condition, in order to realize irrigating. According to the utility model, the control instruction is sent to the main control module through the cloud end, so that the main control module can control the water pump and the water flow switch through the relay module, the control of remote irrigation is realized, the operation of workers is facilitated, the operation on site is not required, and the labor cost is saved.
Preferably, the relay module comprises a plug connector and a multiplex relay control module. Wherein, the input of multichannel relay module all is connected with the host system electricity. The output ends of the relay control modules of the other paths are connected with the corresponding water flow switches and used for controlling the working states of the water flow switches; the water flow switches are also connected with the water pump through pipelines; the water pump is used for conveying water to the water flow switch through a pipeline, so that the water flow switch conveys water to a farmland. Meanwhile, a plurality of water flow switches and a water pump are connected with the plug connector, so that the water flow switches do not work when the water pump is not started.
Specifically, the present embodiment provides a specific example, that is, the relay module includes a plug connector P3 and a 10-way relay control module. The 10-path relay control module is respectively marked as a first relay control module, a second relay control module, a third relay control module, a fourth relay control module, a fifth relay control module, a sixth relay control module, a seventh relay control module, an eighth relay control module, a ninth relay control module and a tenth relay control module.
In this embodiment, the first relay control module is used to control the working state of the water pump, and the remaining 9 relay control modules are used to control the working state of the water flow switch. Namely: the input end of the first relay control module, the input end of the second relay control module, the input end of the third relay control module, the input end of the fourth relay control module, the input end of the fifth relay control module, the input end of the sixth relay control module, the input end of the seventh relay control module, the input end of the eighth relay control module, the input end of the ninth relay control module and the input end of the tenth relay control module are respectively and correspondingly electrically connected with a port 26, a port 27, a port 55, a port 56, a port 57, a port 58, a port 59, a port 61, a port 62 and a port 33 of a chip U4; the output end of the first relay control module, the output end of the second relay control module, the output end of the third relay control module, the output end of the fourth relay control module, the output end of the fifth relay control module, the output end of the sixth relay control module, the output end of the seventh relay control module, the output end of the eighth relay control module, the output end of the ninth relay control module, and the output end of the tenth relay control module are respectively and correspondingly and electrically connected with 10 ports of the plug connector P3. Meanwhile, the plug connector P3 is also used for connecting external equipment, specifically, port 1 of the plug connector P3 is connected with the water pump, and ports 2 to 10 are connected with corresponding water flow switches.
That is, the main control module controls the water pump connected with the plug connector P3 and the working state of the water flow switch through the corresponding relay control module, so as to realize remote irrigation.
Preferably, the relay switch in the present embodiment may include an automatic switch, a jog switch, a circulation switch, a timer switch, and the like. Each switch has a corresponding operating mode. For example, when the relay switch is a timer switch, the system may automatically start the timer switch to operate according to the set timer time of the system.
As shown in fig. 6 to 7, the present embodiment provides a circuit diagram of the first relay control module, which includes a resistor R21, a resistor R23, a resistor R25, a transistor Q6, a diode D8, a diode D9, and a relay switch K1.
One end of the resistor R21 is connected to a 12V power supply, and the other end of the resistor R21 is electrically connected with a first input end of the relay switch K1.
Resistor R25 has one end electrically connected to port 26 of chip U4 and the other end grounded through resistor R27.
The base of the triode Q6 is connected between the resistor R25 and the resistor R27, the emitter is grounded, and the collector is connected between the resistor R21 and the relay switch K1 through the diode D8.
Diode D9 has one end connected to a first input terminal of relay switch K1 via resistor R23, and has the other end connected to a second input terminal of relay switch K2.
The first output end of the relay switch K1 is electrically connected with the zero line, and the second output end is electrically connected with the port 1 of the plug connector P3.
The port 1 of the plug P3 is electrically connected to the second output terminal of the relay switch K1 of the first relay module. Meanwhile, port 1 of the plug P3 is connected with the water pump. Therefore, when the port 26 of the chip U4 of the main control module is at a high level and the relay K1 is closed, the port 1 of the plug P3 is short-circuited with the zero line connected to the first output terminal of the relay K1, so as to control the operating state of the water pump. Preferably, the circuit design of the remaining 9 relay modules in this embodiment is the same as that of the first relay control module, except that the ports 2 to 10 of the plug P3 are connected to corresponding water flow switches.
That is, the ports 2, 3, 4, 5, 6, 7, 8, 9 and 10 of the plug connector P3 are respectively connected to corresponding water flow switches to control the operating states of the corresponding water flow switches.
Similarly, when the ports 27, 55, 56, 57, 58, 59, 61, 62, and 33 of the chip U4 of the main control module are at high levels, respectively, after the corresponding relay switch is closed, the port corresponding to the plug connector P3 is in short circuit with the zero line connected to the first output terminal of the corresponding relay switch, thereby controlling the operating state of the water flow switch.
That is, port 1 of the plug P3 is connected to the water pump, and the remaining 9 ports of the plug P3 are connected to 9 water flow switches, respectively. Therefore, when the port 1 of the plug connector P3 is in short circuit with the zero line, the water pump starts to work; thus, when any one of the other 9 ports of the plug connector P3 is in short circuit with the zero line, the corresponding water flow switch starts to work. Meanwhile, when the port 1 of the plug connector P3 is not short-circuited with the zero line, the rest 9 water flow switches cannot work.
More preferably, the present embodiment controls the relay module by controlling the strong current through the weak current. That is, all insert the 220V alternating current with the power of water flow switch, water pump through the circuit board to with water flow switch, water pump sharing live wire. The connection of the zero line, the water pump and the water flow switch is controlled through each relay control module, the on-off control of the zero line is realized through the relay control modules, and the working mode of a weak current control strong circuit is realized.
Specifically, as shown in fig. 8-9, the power supply modules include a 12V power supply module and a 3.3V power supply module. The 12V power supply module is used for converting an external power supply into 12V. And the 3.3V power supply module is used for converting the 12V power supply into a 3.3V power supply.
The 12V power supply module comprises a plug connector P8, a transformer F2, a capacitor C33, a capacitor C34 and a diode D18.
One end of the capacitor C33, one end of the capacitor C34 and the anode of the diode D18 are all electrically connected with the output end of the 12V power supply module.
The other end of the capacitor C33, the other end of the capacitor C34 and the cathode of the diode D18 are all grounded.
The 3.3V power supply module comprises a capacitor C35, a capacitor C36, a capacitor C37, a capacitor C38 and a chip U5.
The port 1 of the chip U5 is grounded, the port 2 outputs 3.3V power, the port 2 is grounded through a capacitor C38, the port 2 is grounded through a capacitor C37, the port 3 is connected to a 12V power supply, the port 3 is grounded through a capacitor C35, the port 3 is grounded through a capacitor C36, and the port 4 is grounded through a capacitor C37.
Each module can select a corresponding power supply to work according to the requirement. The utility model ensures the normal work of different modules by providing different working power supplies.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A control device for agricultural irrigation is characterized by comprising an ammeter, a water meter, a master control module, a relay module and an RS485 acquisition module; the relay module and the RS485 acquisition module are respectively electrically connected with the main control module; the ammeter is electrically connected with the RS485 acquisition module and is used for acquiring power consumption during agricultural irrigation and sending the power consumption to the RS485 acquisition module; the water meter is electrically connected with the RS485 acquisition module and used for acquiring water consumption during agricultural irrigation and sending the water consumption to the RS485 acquisition module; the relay module is connected with the water pump; the main control module is used for receiving a control instruction sent by the remote cloud, sending the control instruction to the relay module to control the working state of the water pump, acquiring power consumption and water consumption through the RS485 acquisition module, and uploading the power consumption and the water consumption to the cloud.
2. A control device for agricultural irrigation according to claim 1, comprising an environmental sensor and an analog meter; one end of the analog meter is electrically connected with the RS485 acquisition module, and the other end of the analog meter is electrically connected with the environment sensor and is used for acquiring environment data acquired by the environment sensor and sending the environment data to the RS485 acquisition module, so that the RS485 acquisition module sends the environment data to the main control module; the main control module is also used for uploading the environmental data acquired by the RS485 acquisition module to a cloud end; the environment sensor is installed at the corresponding position of an irrigation farmland and used for acquiring environment data related to agricultural irrigation.
3. The control device for agricultural irrigation of claim 2, wherein the environmental sensors comprise an air temperature sensor, an air humidity sensor, a soil temperature sensor, a soil humidity sensor, a PH sensor, a rainfall sensor, a CO2 sensor, an air pressure sensor, a light sensor and a wind sensor; wherein, air temperature sensor, air humidity sensor, soil temperature sensor, soil humidity sensor, PH sensor, rainfall sensor, CO2 sensor, baroceptor, light sensor, wind sensor respectively with analog meter electric connection.
4. The control device for agricultural irrigation according to claim 1, comprising a power supply module, wherein the main control module and the RS485 acquisition module are respectively electrically connected with the power supply module.
5. The control device for agricultural irrigation of claim 4, wherein the power module comprises a 12V power module and a 3.3V power module; the 12V power supply module is used for converting an external power supply into a 12V power supply; the 3.3V power supply module is used for converting a 12V power supply into a 3.3V power supply; the 3.3V power supply module and the relay module are respectively electrically connected with the 12V power supply module; the main control module and the RS485 acquisition module are respectively electrically connected with the 3.3V power supply module.
6. The control device for agricultural irrigation of claim 5, wherein the 12V power module comprises a plug P8, a transformer F2, a capacitor C33, a capacitor C34 and a diode D18; wherein, port 2 of the plug connector P8 outputs 12V power supply through the transformer F2, and port 1 is grounded; one end of a capacitor C33, one end of a capacitor C34 and the anode of a diode D18 are all electrically connected with the output end of the 12V power supply module, and the other end of a capacitor C33, the other end of a capacitor C34 and the cathode of a diode D18 are all grounded;
the 3.3V power supply module comprises a capacitor C35, a capacitor C36, a capacitor C37, a capacitor C38 and a chip U5; the port 1 of the chip U5 is grounded, the port 2 outputs 3.3V power, the port 2 is grounded through a capacitor C38, the port 2 is grounded through a capacitor C37, the port 3 is connected with 12V power, the port 3 is grounded through a capacitor C35, the port 3 is grounded through a capacitor C36, and the port 4 is grounded through a capacitor C37.
7. The control device for agricultural irrigation as claimed in claim 1, wherein the main control module comprises a chip U4, a capacitor C25, a capacitor C26, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a capacitor C32, a switch S1, a resistor R45, a resistor R46, a resistor R47, a resistor R48, a resistor R49, a diode D16, a diode D15, a plug P7, a chip Y1 and a radio head RFID 1; the port 1, the port 32, the port 48, the port 64, the port 19 and the port 13 of the chip U4 are all connected with a 3.3V power supply, and are grounded through a parallel circuit consisting of a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31 and a capacitor C32; port 31, port 47, port 63, port 18 and port 12 of the chip U4 are all grounded; the port 7 of the chip U4 is connected with a 3.3V power supply through a resistor R47, is grounded through a capacitor C25 and is grounded through a switch S1; port 60 of chip U4 is connected to ground through resistor R46 and port 28 is connected to ground through resistor R45; port 29 of chip U4 is electrically connected to port 2 of rf head RFID1 and port 30 is electrically connected to port 3 of rf head RFID 1; port 1 of the radio head RFID1 is grounded;
port 46 and port 49 of chip U4 are grounded to port 3 and port 2 of plug P7, respectively; port 1 of the plug P7 is grounded;
the port 45 of the chip U4 is grounded through a resistor R49 and a diode D16; the port 44 of the chip U4 is grounded through a resistor R48 and a diode D15; the model of the chip U4 is STM32F103RET 6.
8. The control device for agricultural irrigation as claimed in claim 7, wherein the RS485 acquisition module comprises a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a chip SP1, a capacitor C14, a capacitor C17, an inductor L1, an inductor L2, a diode D5, a diode D6, a diode D7 and a socket P2;
port 1 of chip SP1 is electrically connected to port 16 of chip U4 through resistor R16, ports 2 and 3 are electrically connected to port 20 of chip U4 through resistor R17, port 4 is electrically connected to port 17 of chip U4 through resistor R18, port 5 is grounded, port 6 is connected to 3.3V power supply through resistor R19, port 6 is electrically connected to port 2 of connector P2 through inductor L2, port 7 is grounded through resistor R15, port 7 is electrically connected to port 1 of connector P2 through inductor L1, port 8 is connected to 3.3V power supply, and port 8 is grounded through capacitor C14; one end of the capacitor C17 is electrically connected with the resistor R19, and the other end is grounded;
the cathode of the diode D5 is grounded, and the anode is connected between the inductor L1 and the plug connector P2; the cathode of the diode D7 is grounded, and the anode is connected between the inductor L2 and the plug connector P2; the cathode of the diode D6 is connected between the inductor L1 and the plug connector P2, and the anode is connected between the inductor L1 and the plug connector P2; wherein, the water meter and the electric meter are electrically connected with the plug connector P2.
9. The control device for agricultural irrigation of claim 7 wherein said relay module comprises a multiplexed relay control module; the input end of each path of relay control module is electrically connected with the corresponding port of the chip U4, the output end of one path of relay control module is connected with the water pump and used for controlling the working state of the water pump, and the output ends of the rest paths of relay control modules are connected with the corresponding water flow switches and used for controlling the working state of the water flow switches; the water flow switches are also connected with the water pump through pipelines; the water pump is used for conveying water to the water flow switch through a pipeline, so that the water flow switch conveys water to a farmland.
10. A control device for agricultural irrigation as claimed in claim 9 wherein the multiplex relay control module comprises 10-way and bayonet connectors P3; the output end of each relay control module is electrically connected with the port 26, the port 27, the port 55, the port 56, the port 57, the port 58, the port 59, the port 61, the port 62 and the port 33 of the chip U3, and the output end is electrically connected with the corresponding port of the plug connector P3; the port 1 of the plug connector P3 is connected with a water pump, and the ports 2, 3, 4, 5, 6, 7, 8, 9 and 10 are connected with corresponding water flow switches;
each relay control module comprises a resistor R21, a resistor R23, a resistor R25, a triode Q6, a diode D8, a diode D9 and a relay switch; one end of the resistor R21 is connected with a 12V power supply, and the other end of the resistor R21 is electrically connected with a first input end of the relay switch;
one end of the resistor R25 is electrically connected with the port 26 of the chip U4, and the other end of the resistor R27 is grounded;
the base of the triode Q6 is connected between the resistor R25 and the resistor R27, the emitter is grounded, and the collector is connected between the resistor R21 and the relay switch through the diode D8;
one end of the diode D9 is connected with the first input end of the relay switch through the resistor R23, and the other end of the diode D9 is connected with the second input end of the relay switch;
the first output end of a relay switch of the first relay control module is electrically connected with a zero line of alternating current, and the second output end of the relay switch of the first relay control module is connected with a water pump through a port 1 of a plug connector P3;
first output ends of relay switches of the rest nine relay control modules are electrically connected with a zero line of alternating current, and second output ends of the relay switches of the rest nine relay control modules are respectively connected with corresponding water flow switches through a port 2, a port 3, a port 4, a port 5, a port 6, a port 7, a port 8, a port 9 and a port 10 of a plug connector P3; and the water pump and the water flow switch are also connected with a live wire of alternating current through a circuit board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120611905.8U CN216533007U (en) | 2021-03-25 | 2021-03-25 | Control device for agricultural irrigation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120611905.8U CN216533007U (en) | 2021-03-25 | 2021-03-25 | Control device for agricultural irrigation |
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