CN115373317B - Intelligent farm control system - Google Patents
Intelligent farm control system Download PDFInfo
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- CN115373317B CN115373317B CN202211073218.0A CN202211073218A CN115373317B CN 115373317 B CN115373317 B CN 115373317B CN 202211073218 A CN202211073218 A CN 202211073218A CN 115373317 B CN115373317 B CN 115373317B
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- 239000003990 capacitor Substances 0.000 claims description 30
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- 238000010168 coupling process Methods 0.000 claims description 27
- 238000005859 coupling reaction Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 21
- 238000002955 isolation Methods 0.000 claims description 19
- 238000005286 illumination Methods 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 15
- 230000007613 environmental effect Effects 0.000 claims description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 15
- 238000003973 irrigation Methods 0.000 claims description 12
- 230000002262 irrigation Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 11
- 239000012080 ambient air Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 15
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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- G05B2219/24215—Scada supervisory control and data acquisition
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Abstract
The invention relates to the technical field of intelligent farms and provides an intelligent farm control system which comprises a main control module, a power supply module, an ultrahigh frequency radio frequency identification module, a storage module, a touch display module and a camera module, wherein the power supply end of the ultrahigh frequency radio frequency identification module is connected with the power supply module, the output end of the ultrahigh frequency radio frequency identification module is connected with the main control module and is used for transmitting label information of staff and materials in a detected range to the main control module, the camera module is connected with the main control module and is used for transmitting acquired face information of the staff to the main control module so as to confirm the authority of the staff, the touch display module is connected with the main control module and is used for receiving and displaying material display information sent by the main control module, and the storage module is connected with the main control module and is used for storing the staff and material record information sent by the main control module; the invention can rapidly identify and record the information of people entering and exiting the farm and transporting materials.
Description
Technical Field
The invention relates to the technical field of intelligent farms, in particular to an intelligent farm control system.
Background
Along with development of science and technology, intelligent science and technology is applied more and more widely in the management of farm, in current vegetables farm, most divide into a plurality of greenhouses, crops and the growing environment in every greenhouse are different, transport material and business turn over staff's frequency, how many are also different to every greenhouse, consequently, personnel, material business turn over time need be recorded, in traditional mode, mostly need the manual record of operating personnel, for improving the accuracy of record, some farms have set up infrared scanning device and face recognition device in greenhouse access & exit, so that record personnel, the information of material, but this kind of mode still need scan the material one by one, the consuming time is longer, the efficiency is lower, and take place that staff leaks the scanning and lead to the information recording inaccuracy easily.
Disclosure of Invention
The invention solves the problem of how to provide an intelligent farm control system capable of rapidly identifying and recording information of people entering and exiting and materials conveying.
To solve the above problems, the present invention provides a smart farm control system comprising: the system comprises a main control module, a power supply module, an ultrahigh frequency radio frequency identification module, a storage module, a touch display module and a camera module, wherein the power supply end of the ultrahigh frequency radio frequency identification module is connected with the power supply module, the output end of the ultrahigh frequency radio frequency identification module is connected with the main control module and used for transmitting label information of staff and materials in a detected range to the main control module, the camera module is connected with the main control module and used for transmitting acquired face information of the staff to the main control module so as to confirm the authority of the staff, the touch display module is connected with the main control module and used for receiving and displaying material display information sent by the main control module so as to confirm the staff, and the storage module is connected with the main control module and used for storing the staff and material record information sent by the main control module.
Further, the ultrahigh frequency radio frequency identification module comprises an ultrahigh frequency read-write chip, an amplifying coupling circuit and a radio frequency antenna circuit, wherein the read-write chip is connected with the main control module, the input end of the amplifying coupling circuit is connected with the read-write chip, and the output end of the amplifying coupling circuit is connected with the radio frequency antenna circuit.
Further, the amplifying and coupling circuit comprises a radio frequency amplifying circuit, a low-pass filter circuit, a coupler circuit and a power detection circuit, wherein the input end of the radio frequency amplifying circuit is connected with the read-write chip, the output end of the radio frequency amplifying circuit is connected with the input port of the coupler circuit through the low-pass filter circuit, the output end of the coupler circuit is connected with the radio frequency antenna circuit, the input end of the power detection circuit is connected with the coupling end of the coupler circuit, and the output end of the power detection circuit is connected with the read-write chip.
Further, the intelligent farm control system further comprises an infrared scanning gun interface circuit and a voice alarm circuit, the voice alarm circuit is connected with the main control module, the output end of the infrared scanning gun interface circuit is connected with the main control module, and the input end is suitable for being connected with an infrared scanning gun.
Further, the infrared scanning gun interface circuit comprises a USB interface circuit, a switch circuit, a surge protection circuit, a common mode suppression circuit and a signal feedback circuit, wherein the input end of the USB interface circuit is suitable for being connected with the infrared scanning gun, the signal output end of the USB interface circuit is connected with the main control module through the common mode suppression circuit, the surge protection circuit is connected with the signal output end of the USB interface circuit, the input end of the switch circuit is connected with the power supply module, the controlled end is connected with the main control module, the output end is connected with the power supply end of the USB interface circuit, the controlled end of the signal feedback circuit is connected with the power supply end of the USB interface circuit, and the output end is connected with the main control module.
Further, the intelligent farm control system further comprises a 4G communication module and a positioning module, wherein the 4G communication module is connected with the main control module and used for communication between the main control module and the management platform, and the positioning module is connected with the main control module and used for transmitting detected position information to the main control module.
Further, the intelligent farm control system further comprises an irrigation equipment wireless control module, the irrigation equipment wireless control module comprises a Zigbee chip circuit, a wireless amplifying circuit, a wireless filtering circuit and a wireless antenna circuit, the communication end of the Zigbee chip circuit is connected with the main control module, the output end of the Zigbee chip circuit is connected with the input end of the wireless amplifying circuit, the output end of the wireless amplifying circuit is connected with the input end of the wireless filtering circuit, and the output end of the wireless filtering circuit is connected with the wireless antenna circuit.
Further, the intelligent farm control system further comprises an environment monitoring module, the environment monitoring module comprises:
the gas detection chip is connected with the main control module and used for transmitting the detected ambient air quality information to the main control module;
the temperature and humidity detection chip is connected with the main control module and used for transmitting detected environmental temperature and humidity information to the main control module;
and the light intensity sensor is connected with the main control module and used for transmitting the detected environment light intensity information to the main control module.
Further, the intelligent farm control system further comprises an illumination adjusting module, the illumination adjusting module comprises an optocoupler isolation circuit, a voltage stabilizing output circuit, a differential amplifying circuit and a voltage following circuit, the input end of the optocoupler isolation circuit is connected with the PWM output end of the main control module, the output end of the optocoupler isolation circuit is connected with the controlled end of the voltage stabilizing output circuit, the input end of the voltage stabilizing output circuit is connected with the power supply module, the output end of the voltage stabilizing output circuit is connected with the second input end of the differential amplifying circuit, the first input end of the differential amplifying circuit is connected with the power supply module, the input end of the differential amplifying circuit is connected with the input end of the voltage following circuit, and the output end of the voltage following circuit is suitable for being connected with a 0-10V dimming power supply controller.
Further, the voltage stabilizing output circuit comprises a first triode and a first energy storage capacitor group, wherein a base electrode of the first triode is connected with an output end of the optocoupler isolation circuit, an emitter is grounded, a collector electrode is connected with the power supply module through a first resistor and a second resistor, a first end of the first energy storage capacitor group is respectively connected with the collector electrode of the first triode and a second input end of the differential amplifying circuit, and a second end of the first energy storage capacitor group is grounded.
Compared with the prior art, the invention has the beneficial effects that:
when a worker carries materials in and out, the ultrahigh frequency radio frequency identification module identifies label information of the personnel and the materials in the range and transmits the label information to the main control module, meanwhile, the camera module can acquire face information of the worker and transmit the face information to the main control module, the face information and the label information are compared by the main control module, the worker information is further confirmed, the main control module transmits the label information to the touch display module, the material information is displayed by the touch display module and checked and further confirmed by the worker, so that the accurate record of the material information is ensured, the missing scan phenomenon is prevented, the worker confirms completion, the master control module transmits the in and out personnel and the material information to the storage module for storage, the system can realize one-time identification of the personnel and the material information in the range, improve the working efficiency, meanwhile, the phenomenon of wrong record and building record when one piece of material is recorded by the worker is avoided, the material information is completely scanned, the material information is displayed, and the material information is stored after the worker is confirmed, and the accuracy of the information record is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall principle of the embodiment of the present invention;
FIG. 2 is a schematic diagram of the principle structure of a first portion of an UHF RFID module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second portion of an UHF RFID module according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a third portion of an UHF RFID module according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the first part of the interface circuit of the infrared scanning gun according to the embodiment of the invention;
FIG. 6 is a schematic diagram of a second portion of an interface circuit of an infrared scanning gun according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a positioning module according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of the principle and structure of a first part of the wireless control module of the irrigation device according to the embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a second portion of a wireless control module of an irrigation device according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a first portion of an environmental monitoring module according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a second portion of an environmental monitoring module according to an embodiment of the present invention;
FIG. 12 is a schematic diagram of a third portion of an environmental monitoring module according to an embodiment of the present invention;
FIG. 13 is a schematic diagram of an embodiment of an optocoupler isolation circuit according to the present invention;
FIG. 14 is a schematic diagram of a voltage stabilizing output circuit according to an embodiment of the present invention;
fig. 15 is a schematic diagram of a differential amplifying circuit according to an embodiment of the present invention.
Reference numerals illustrate:
1-a main control module; 2-a power module; 3-an ultrahigh frequency radio frequency identification module; 31-a radio frequency amplifying circuit; a 32-low pass filter circuit; a 33-coupler circuit; 34-a power detection circuit; a 4-touch display module; 5-a camera module; 6-a memory module; 71-USB interface circuit; 72-a switching circuit; 73-a signal feedback circuit; a 74-common mode rejection circuit; 75-a surge protection circuit; 81-Zigbee chip circuitry; 82-a wireless amplifying circuit; 83-a wireless filter circuit; 84-a wireless antenna circuit; 91-a gas detection chip; 92-a light intensity sensor; 93-a temperature and humidity detection chip; a 101-differential amplifying circuit; 102-voltage follower circuit.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
To solve the above-mentioned technical problems, as shown in fig. 1, an embodiment of the present invention provides an intelligent farm control system, including: the system comprises a main control module 1, a power supply module 2, an ultrahigh frequency radio frequency identification module 3, a storage module 6, a touch display module 4 and a camera module 5, wherein the power supply end of the ultrahigh frequency radio frequency identification module 3 is connected with the power supply module 2, the output end of the ultrahigh frequency radio frequency identification module 3 is connected with the main control module 1 and is used for transmitting label information of staff and materials in a detected range to the main control module 1, the camera module 5 is connected with the main control module 1 and is used for transmitting acquired face information of the staff to the main control module 1 so as to confirm the authority of the staff, the touch display module 4 is connected with the main control module 1 and is used for receiving the display information of the materials sent by the main control module 1 and displaying the display information of the materials so as to confirm the staff, and the storage module 6 is connected with the main control module 1 and is used for storing the record information of the staff and the materials sent by the main control module 1.
In general, the ultrahigh frequency radio frequency identification module 3 can read more than 50 labels per second, the identification range can reach 15 meters, the radio frequency labels in the range can be scanned once, when in use, the ultrahigh frequency labels for recording material information can be arranged on the transported materials, the labels for recording the material information are arranged in the work cards worn by the workers, so that the ultrahigh frequency radio frequency identification module 3 carries out identification, when the workers carry the material in and out, the ultrahigh frequency radio frequency identification module 3 carries out the label information of the personnel and the material in the identification range and transmits the label information to the main control module 1, meanwhile, the camera module 5 can acquire the face information of the workers and transmit the face information to the main control module 1, so that the main control module 1 can compare the face information with the label information, further confirm the material information and authority of the workers, the material information is confirmed to be transmitted to the touch display module 4, the material information is displayed by the touch display module 4, the workers can check and further confirm the material information, the material is accurately recorded, the material is prevented from being leaked, the material is confirmed, the main control module 1 carries out the material scanning information and the material is accurately recorded by the workers, and the material is prevented from being recorded in the storage system after the storage of the storage module is carried out, and the material is further recorded by the workers, and the material is accurately recorded by the staff in the storage system, and the storage information is further recorded by the staff is carried out; in this embodiment, the master control module 1 may be a single chip microcomputer chip with a model number of AM 437.
In one embodiment of the present invention, the uhf rfid module 3 includes an uhf read-write chip, an amplifying coupling circuit, and a rf antenna circuit, where the read-write chip is connected to the main control module 1, an input end of the amplifying coupling circuit is connected to the read-write chip, and an output end of the amplifying coupling circuit is connected to the rf antenna circuit.
When the ultrahigh frequency radio frequency identification module 3 identifies the tag information, the ultrahigh frequency read-write chip sends out read-write signals, the read-write signals are amplified and isolated by the amplifying coupling circuit to improve the detection range and stability of the read-write signals, the amplified and isolated read-write signals are transmitted by the radio frequency antenna circuit, and the information exchange is carried out with the tag recording the information of staff and materials, so that the identification of the tag information is completed; in this embodiment, the type of the read-write chip may be ST25RU3993, the radio frequency antenna circuit may be selected according to the actual situation, and may be a radio frequency antenna electrically connected to the output end of the amplifying coupling circuit, as shown in fig. 4, the radio frequency antenna circuit may also include radio frequency switch S1 and 2 radio frequency antennas P3 and P2 with the type of SP2T, the 2 port of the radio frequency switch S1 is an input end and connected to the output end of the amplifying coupling circuit, the 1 port and 3 port of the radio frequency switch S1 are controlled ends and connected to the main control module 1, the 4 port and 6 port of the radio frequency switch S1 are output ends, and are connected to the radio frequency antennas P3 and P2 through cables, respectively, the radio frequency antennas P3 and P2 may be disposed at different positions, so that the read-write signals transmitted through the radio frequency antennas P3 and P2 may cross-cover to increase the identification range of the ultrahigh frequency radio frequency identification module 3, and when in use, the main control module 1 may control the radio frequency switch S1 first, so that the 4 port of the radio frequency switch S1 is connected to the 2 port and 2 port are connected to the output end of the amplifying coupling circuit, and the radio frequency antenna 1 is scanned by the main control antenna P3, and then all the radio frequency antenna is scanned by the radio frequency antenna 2.
In one embodiment of the present invention, the amplifying and coupling circuit includes a radio frequency amplifying circuit 31, a low pass filter circuit 32, a coupler circuit 33, and a power detection circuit 34, where an input end of the radio frequency amplifying circuit 31 is connected to the read/write chip, an output end of the radio frequency amplifying circuit is connected to an input port of the coupler circuit 33 via the low pass filter circuit 32, an output end of the coupler circuit 33 is connected to the radio frequency antenna circuit, an input end of the power detection circuit 34 is connected to a coupling end of the coupler circuit 33, and an output end of the power detection circuit is connected to the read/write chip.
As shown in fig. 2 and 3, the radio frequency amplifying circuit 31 amplifies the read/write signal by using an amplifying chip U81 with a model number TQP9107, the 13 pin of the amplifying chip U81 is an input end, and is connected with the read/write chip, the read/write signal sent by the read/write chip is received, the read/write signal is amplified and then output by the 7 pin of the amplifying chip U81, the amplified read/write signal is filtered by the low-pass filter circuit 32 to filter clutter signals, stability of the read/write signal is improved, the coupler circuit 33 is used for isolating and outputting the read/write signal, isolation of the read/write signal is improved, anti-interference capability and accuracy of the read/write signal are improved, the coupler circuit 33 can use a coupler chip with a model number XC0900P-10S, the input end of the power detection circuit 34 is connected with the coupling end of the coupler circuit 33, and the output end of the power of the coupler circuit 33 can be detected and transmitted to the read/write chip, so that the working state of the coupler circuit 33 is monitored to ensure stability of the read/write signal output.
In one embodiment of the present invention, the intelligent farm control system further comprises an infrared scanning gun interface circuit and a voice alarm circuit, wherein the voice alarm circuit is connected with the main control module 1, the output end of the infrared scanning gun interface circuit is connected with the main control module 1, and the input end is suitable for being connected with an infrared scanning gun.
It should be noted that, this embodiment provides the spare detection equipment when the ultrahigh frequency radio frequency identification module 3 breaks down, and when the ultrahigh frequency radio frequency identification module 3 breaks down, the main control module 1 sends the pronunciation warning to the staff through the voice alarm circuit, carries out piece by piece scanning through the infrared scanning rifle by the staff, and the output of infrared scanning rifle interface circuit is connected with the main control module 1, and the infrared scanning rifle is connected to the input, can transmit the scanning information of infrared scanning rifle for main control module 1.
In one embodiment of the present invention, the infrared scanning gun interface circuit includes a USB interface circuit 71, a switch circuit 72, a surge protection circuit 75, a common mode rejection circuit 74 and a signal feedback circuit 73, where an input end of the USB interface circuit 71 is adapted to connect to the infrared scanning gun, a signal output end of the USB interface circuit 71 is connected to the main control module 1 through the common mode rejection circuit 74, the surge protection circuit 75 is connected to a signal output end of the USB interface circuit 71, an input end of the switch circuit 72 is connected to the power module 2, a controlled end is connected to the main control module 1, an output end is connected to a power end of the USB interface circuit 71, and a controlled end of the signal feedback circuit 73 is connected to a power end of the USB interface circuit 71.
It should be noted that, in this embodiment, the USB interface circuit 71 of the interface circuit of the infrared scanning gun has a USB interface J23 for connecting the infrared scanning gun, as shown in fig. 5 and 6, a signal output end of the USB interface circuit 71 is connected with the main control module 1 through the common mode rejection circuit 74, so as to transmit the scanning information of the infrared scanning gun to the main control module 1, and the common mode rejection circuit 74 adopts the common mode inductance to filter out the common mode interference in the detection signal, so that the main control module 1 can more accurately receive the material information transmitted back by the infrared scanning gun; in general, when the infrared scanning gun is used, surge current is generated at the output of the infrared scanning gun and possibly damages the main control module 1, so the infrared scanning gun is connected with the signal output end of the USB interface circuit 71 through the surge protection circuit 75, the surge current can be absorbed, the main control module 1 is protected, the surge protection circuit 75 can adopt a TVS diode integrated chip with the model of TPD4S012, the switch circuit 72 can adopt a switch control chip U53 with the model of TPS2051BD, the input end of the switch circuit 72 is connected with the power supply module 2, the controlled end is connected with the main control module 1, the output end is connected with the power supply end of the USB interface circuit 71, and the switch circuit 72 can control the power supply to the USB interface circuit 71, namely the power supply to the infrared scanning gun under the control of the main control module 1, so the main control module 1 can start the infrared scanning gun as standby scanning when the ultra-high frequency radio frequency identification module 3 does not work, and cut off the power supply to the infrared scanning gun when the ultra-high frequency radio frequency identification module 3 is used normally, so that electric energy is saved; the signal feedback circuit 73 is used for detecting the power supply state of the infrared scanning gun, in this embodiment, the signal feedback circuit 73 includes a MOS tube Q11, the gate of the MOS tube Q11 is connected to the power end of the USB interface circuit 71, the source is grounded, the drain is connected to the power module 2 through a resistor R351, the signal end of the main control module 1 is connected to the drain of the MOS tube Q11, when the infrared scanning gun is powered off, i.e. the power end of the USB interface circuit 71 is powered off, the MOS tube Q11 is turned off, when the infrared scanning gun is powered on, i.e. the power end of the USB interface circuit 71 is powered on, the MOS tube Q11 is turned on, the signal end of the main control module 1 is turned off, and is low, thereby realizing the detection of the power state of the infrared scanning gun by the main control module 1, and the effective control of the working state of the infrared scanning gun by combining with the switch circuit 72.
In one embodiment of the present invention, the intelligent farm control system further includes a 4G communication module and a positioning module, wherein the 4G communication module is connected with the main control module 1 and is used for communication between the main control module 1 and the management platform, and the positioning module is connected with the main control module 1 and is used for transmitting the detected position information to the main control module 1.
It should be noted that, the main control module 1 can upload the information of personnel and materials to the management platform through the 4G communication module, and can perform centralized management on personnel and material situations of each greenhouse on the management platform of the farm, so that the management personnel can view and check the information in a centralized manner, and timely find out problems, and the 4G communication module can adopt a 4G communication chip with a model of AIR 720H; the positioning module is used for position detection, when a problem occurs, a manager arranges a worker for processing, the worker can arrive at the site quickly according to the position information for processing, and in this embodiment, as shown in fig. 7, the positioning module can adopt a positioning chip U1 with a model number of verus 634 SMD.
In one embodiment of the present invention, the intelligent farm control system further includes an irrigation device wireless control module, where the irrigation device wireless control module includes a Zigbee chip circuit 81, a wireless amplification circuit 82, a wireless filter circuit 83, and a wireless antenna circuit 84, where a communication end of the Zigbee chip circuit 81 is connected to the main control module 1, an output end of the Zigbee chip circuit is connected to an input end of the wireless amplification circuit 82, an output end of the wireless amplification circuit 82 is connected to an input end of the wireless filter circuit 83, and an output end of the wireless filter circuit 83 is connected to the wireless antenna circuit 84.
It should be noted that, the Zigbee technology is a wireless communication technology applied to a short distance and a low speed, and is mainly used for data transmission between various electronic devices with short distance, low power consumption and low transmission speed, and is suitable for being used in a greenhouse, some devices in the greenhouse, such as each water outlet electromagnetic valve of an irrigation device, are provided with Zigbee nodes, and control of water outlet of the irrigation device can be achieved through Zigbee chips, in this embodiment, as shown in fig. 8 and 9, the Zigbee chip circuit 81 includes a Zigbee chip U90 with a model number of CC2530F256, and the communication end of the Zigbee chip circuit 81, that is, 32 pins and 33 pins of the chip U90 are connected with the master control module 1, so that control of the master control module 1 on the irrigation device is achieved, meanwhile, a manager can issue instructions to the master control module 1 through a 4G communication module, so that remote intelligent control of the irrigation device is achieved, the wireless amplification circuit 82 is connected with the output end of the Zigbee chip circuit 81, and a power amplification chip with a model number of CC2592 can be used, and wireless signals output by the Zigbee chip circuit 81 can be amplified, so that communication noise signals can be accurately controlled by the Zigbee chip circuit 81, and the wireless filter circuit can be accurately controlled by the wireless filter circuit 83, and the wireless filter system can be accurately controlled by the wireless filter circuit 2.
In one embodiment of the invention, the smart farm control system further comprises an environmental monitoring module comprising:
the gas detection chip 91 is connected with the main control module 1 and is used for transmitting detected ambient air quality information to the main control module 1;
the temperature and humidity detection chip 93 is connected with the main control module 1 and is used for transmitting detected environmental temperature and humidity information to the main control module 1;
the light intensity sensor 92 is connected with the main control module 1 and is used for transmitting the detected environmental light intensity information to the main control module 1.
It should be noted that, as shown in fig. 10-12, the model of the gas detection chip 91 may be GP2Y1010AU, the model of the temperature and humidity detection chip 93 may be TMP275, the model of the light intensity sensor 92 may be TSL2550, the environmental monitoring module is disposed in the greenhouse, the environmental monitoring module may detect the growth environmental information of crops in the greenhouse and transmit the growth environmental information to the main control module 1, the main control module 1 uploads the environmental information through the 4G communication module, the manager may check on the management platform, and the manager may arrange the worker to process in time when finding abnormality.
In one embodiment of the present invention, the smart farm control system further includes an illumination adjustment module, where the illumination adjustment module includes an optocoupler isolation circuit, a voltage stabilizing output circuit, a differential amplification circuit 101, and a voltage follower circuit 102, where an input end of the optocoupler isolation circuit is connected to a PWM output end of the master control module 1, an output end of the optocoupler isolation circuit is connected to a controlled end of the voltage stabilizing output circuit, an input end of the voltage stabilizing output circuit is connected to the power supply module 2, an output end of the voltage stabilizing output circuit is connected to a second input end of the differential amplification circuit 101, a first input end of the differential amplification circuit 101 is connected to the power supply module 2, an input end of the differential amplification circuit 101 is connected to an input end of the voltage follower circuit 102, and an output end of the voltage follower circuit 102 is adapted to be connected to a dimming power supply controller of 0-10V.
It should be noted that, the greenhouse of the farm is generally provided with an illumination system to improve the illumination environment of the crop growth, the main control module 1 can also adjust the illumination brightness by adopting the illumination adjusting module according to the light intensity information detected by the environment monitoring module, generally, the illumination lamp of the illumination system can be controlled by adopting a 0-10V constant current source or a constant voltage source dimming power supply controller, such as sY-AHC60, SY-AHV100, etc., the power end of the dimming power supply controller is connected with 220V mains supply, the power output of the illumination lamp can be controlled by 0-10V input, the main control module 1 controls the illumination adjusting module to output 0-10V adjusting voltage, and then the power output of the illumination lamp is controlled; in the embodiment, as shown in fig. 13-15, the PWM signal output by the main control module 1 is isolated by an optocoupler isolation circuit, so that the anti-interference capability of the PWM signal is improved, the isolated PWM signal is regulated by a voltage stabilizing output circuit, a corresponding continuous direct current voltage is output, the direct current voltage is amplified by a differential amplification circuit 101, a voltage of 0-10V is output, a voltage follower circuit 102 is used for carrying out follower output on the voltage of 0-10V, and the driving capability of the voltage follower circuit is improved, so that stable output of a dimming power controller is realized, an illuminating lamp is accurately controlled, and precise control of crop illumination environment is realized.
In this embodiment, as shown in fig. 13, the optocoupler isolation circuit may use an optocoupler to perform optocoupler isolation on the PWM signal to remove the interference signal, as shown in fig. 15, the operational amplifier U16A and the resistors R61, R60, R59 form the differential amplifying circuit 101, the resistor R61 is a feedback resistor, the 2 pin of the operational amplifier U16A is connected to the 12V voltage of the power module 2, the 3 pin of the operational amplifier U16A receives the dc voltage and amplifies it to form a 0-10V output, the operational amplifier U16B and the resistors R63, R64 form a voltage follower, and the models of the operational amplifiers U16A and U16B may be LM358DT.
In one embodiment of the present invention, the voltage stabilizing output circuit includes a first triode and a first energy storage capacitor set, where a base electrode of the first triode is connected to an output end of the optocoupler isolation circuit, an emitter electrode of the first triode is grounded, a collector electrode of the first triode is connected to the power module 2 through a first resistor and a second resistor, a first end of the first energy storage capacitor set is connected to the collector electrode of the first triode and a second input end of the differential amplifying circuit 101, and a second end of the first energy storage capacitor set is grounded.
It should be noted that, as shown in fig. 14, when the PWM signal output by the main control module 1 is to the base of the first triode Q7 in the voltage stabilizing output circuit, when the PWM signal is at a low level, the first triode Q7 is turned off, the power module 2 charges the first energy storage capacitor set, the first energy storage capacitor set includes capacitors C56 and C57, the first end of the first energy storage capacitor set is connected with the second input end of the differential amplifying circuit 101, the input voltage of the differential amplifying circuit 101 is the first end voltage of the first energy storage capacitor set, when the PWM signal is at a high level, the first triode Q7 is turned on, the first energy storage capacitor set discharges, the second input end output voltage of the differential amplifying circuit 101 is still the discharge voltage of the first energy storage capacitor set, that is, the first end voltage of the differential amplifying circuit 101 performs differential amplifying output, the duty ratio of the PWM signal is changed, the charging time of the first energy storage capacitor set is changed, the end voltage of the first energy storage capacitor set is further changed, the output voltage of the differential amplifying circuit 101 is stabilized to the first end voltage of the first energy storage capacitor set, the differential amplifying circuit is more stable, the output of the differential amplifying circuit is more stable, the stable output is more stable, and more stable, compared with the stable output of the differential output signal is stable, the stable and stable, the stable output is stable, and stable output is stable.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (4)
1. An intelligent farm control system, comprising: the system comprises a main control module (1), a power supply module (2), an ultrahigh frequency radio frequency identification module (3), a storage module (6), a touch display module (4) and a camera module (5), wherein a power supply end of the ultrahigh frequency radio frequency identification module (3) is connected with the power supply module (2), an output end of the ultrahigh frequency radio frequency identification module is connected with the main control module (1) and is used for transmitting label information of staff and materials in a detected range to the main control module (1), the camera module (5) is connected with the main control module (1) and is used for transmitting acquired face information of the staff to the main control module (1) so as to confirm the authority of the staff, the touch display module (4) is connected with the main control module (1) and is used for receiving the display information of the materials sent by the main control module (1) and displaying the display information of the materials so as to be convenient for the staff to confirm, and the storage module (6) is connected with the main control module (1) and is used for storing staff and material record information sent by the main control module (1). The system realizes the one-time identification of personnel and material information in a range through the ultrahigh frequency radio frequency identification module (3), thereby improving the working efficiency;
the ultrahigh frequency radio frequency identification module (3) comprises an ultrahigh frequency read-write chip, an amplifying coupling circuit and a radio frequency antenna circuit, wherein the read-write chip is connected with the main control module (1), the input end of the amplifying coupling circuit is connected with the read-write chip, the output end of the amplifying coupling circuit is connected with the radio frequency antenna circuit, the ultrahigh frequency read-write chip sends out read-write signals, and the read-write signals are amplified and isolated through the amplifying coupling circuit so as to improve the detection range and stability of the read-write signals;
the radio frequency antenna circuit comprises a radio frequency switch S1 with the model of SP2T and 2 radio frequency antennas P3 and P2, wherein the 2 port of the radio frequency switch S1 is an input end and is connected with the output end of the amplifying coupling circuit, the 1 port and the 3 port of the radio frequency switch S1 are controlled ends and are connected with a main control module 1, the 4 port and the 6 port of the radio frequency switch S1 are output ends and are respectively connected with the radio frequency antennas P3 and P2 through cables, the radio frequency antennas P3 and P2 are arranged at different positions, read-write signals sent through the radio frequency antennas P3 and P2 are in crossed coverage, so that the identification range of the ultrahigh frequency radio frequency identification module 3 is improved, when the ultrahigh frequency identification module is used, the main control module 1 firstly controls the radio frequency switch S1, the 4 port of the radio frequency switch S1 is connected with the 2 port, the radio frequency antenna P3 is used for scanning, then the main control module 1 controls the radio frequency switch S1 to be switched, the 6 port of the radio frequency switch S1 is connected with the 2 port, and the radio frequency antenna P2 is used for scanning, and all materials in the range of the radio frequency antennas P3 and P2 are further, the identification range of the ultrahigh frequency identification module 3 is improved;
the amplifying and coupling circuit comprises a radio frequency amplifying circuit (31), a low-pass filter circuit (32), a coupler circuit (33) and a power detection circuit (34), wherein the input end of the radio frequency amplifying circuit (31) is connected with the read-write chip, the output end of the radio frequency amplifying circuit is connected with the input port of the coupler circuit (33) through the low-pass filter circuit (32), the output end of the coupler circuit (33) is connected with the radio frequency antenna circuit, the input end of the power detection circuit (34) is connected with the coupling end of the coupler circuit (33), and the output end of the power detection circuit is connected with the read-write chip;
the coupler circuit (33) is used for isolating and outputting read-write signals, improving the isolation of the read-write signals, improving the anti-interference capability and accuracy of the read-write signals, the model of the coupler circuit (33) is an XC0900P-10S coupler chip, the input end of the power detection circuit (34) is connected with the coupling end of the coupler circuit (33), the output end of the power detection circuit is connected with the read-write chip, and the power of the coupling port of the coupler circuit (33) is detected and transmitted to the read-write chip so as to monitor the working state of the coupler circuit (33);
the infrared scanning gun interface circuit is connected with the main control module (1), the output end of the infrared scanning gun interface circuit is connected with the main control module (1), and the input end of the infrared scanning gun interface circuit is suitable for being connected with an infrared scanning gun;
the infrared scanning gun interface circuit comprises a USB interface circuit (71), a switch circuit (72), a surge protection circuit (75), a common mode rejection circuit (74) and a signal feedback circuit (73), wherein the input end of the USB interface circuit (71) is suitable for being connected with the infrared scanning gun, the signal output end of the USB interface circuit (71) is connected with the main control module (1) through the common mode rejection circuit (74), the surge protection circuit (75) is connected with the signal output end of the USB interface circuit (71), the input end of the switch circuit (72) is connected with the power supply module (2), the controlled end is connected with the main control module (1), the output end is connected with the power supply end of the USB interface circuit (71), the controlled end of the signal feedback circuit (73) is connected with the power supply end of the USB interface circuit (71), and the output end is connected with the main control module (1).
The signal feedback circuit (73) comprises an MOS tube Q11, the grid electrode of the MOS tube Q11 is connected with the power end of the USB interface circuit (71), the source electrode is grounded, the drain electrode is connected with the power module (2) through a resistor R351, and the signal end of the main control module (1) is connected with the drain electrode of the MOS tube Q11;
the light source control device comprises a main control module (1), and is characterized by further comprising an illumination adjusting module, wherein the illumination adjusting module comprises an optical coupling isolation circuit, a voltage stabilizing output circuit, a differential amplifying circuit (101) and a voltage following circuit (102), the input end of the optical coupling isolation circuit is connected with the PWM output end of the main control module (1), the output end of the optical coupling isolation circuit is connected with the controlled end of the voltage stabilizing output circuit, the input end of the voltage stabilizing output circuit is connected with a power supply module (2), the output end of the voltage stabilizing output circuit is connected with the second input end of the differential amplifying circuit (101), the first input end of the differential amplifying circuit (101) is connected with the power supply module (2), the output end of the differential amplifying circuit (101) is connected with the input end of the voltage following circuit (102), and the output end of the voltage following circuit (102) is suitable for being connected with a 0-10V dimming power supply controller;
PWM signals output by the main control module (1) are isolated by an optocoupler isolation circuit, the isolated PWM signals are regulated by a voltage stabilizing output circuit, corresponding continuous direct current voltages are output, the direct current voltages are amplified by a differential amplification circuit (101), and 0-10V of voltage is output, so that accurate control of the illumination environment of crops is realized;
the voltage stabilizing output circuit comprises a first triode and a first energy storage capacitor group, wherein the base electrode of the first triode is connected with the output end of the optical coupler isolation circuit, the emitter electrode is grounded, the collector electrode is connected with the power supply module (2) through a first resistor and a second resistor, the first end of the first energy storage capacitor group is respectively connected with the collector electrode of the first triode and the second input end of the differential amplifying circuit (101), and the second end of the first energy storage capacitor group is grounded;
when the PWM signal output by the main control module (1) is to the base electrode of a first triode in the voltage stabilizing output circuit, the first triode is cut off, the power supply module (2) charges the first energy storage capacitor group, the first energy storage capacitor group comprises capacitors C56 and C57, the first end of the first energy storage capacitor group is connected with the second input end of the differential amplifying circuit (101), the input voltage of the differential amplifying circuit (101) is the first end voltage of the first energy storage capacitor group, when the PWM signal is at a high level, the first triode is conducted, the first energy storage capacitor group discharges, the output voltage of the second input end of the differential amplifying circuit (101) is still the discharge voltage of the first energy storage capacitor group, namely the first end voltage of the first energy storage capacitor group, the differential amplifying circuit (101) performs differential amplification output, the duty ratio of the PWM signal is changed, the charging time of the first energy storage capacitor group is changed, and the end voltage of the first energy storage capacitor group is changed, so that the output voltage of the differential voltage stabilizing output circuit to the amplifying circuit (101) is stabilized to the first end voltage of the first energy storage capacitor group, and continuous output is realized.
2. The intelligent farm control system according to claim 1, further comprising a 4G communication module and a positioning module, wherein the 4G communication module is connected with the main control module (1) and is used for communication between the main control module (1) and the management platform, and the positioning module is connected with the main control module (1) and is used for transmitting the detected position information to the main control module (1).
3. The intelligent farm control system according to claim 2, further comprising an irrigation equipment wireless control module, wherein the irrigation equipment wireless control module comprises a Zigbee chip circuit (81), a wireless amplification circuit (82), a wireless filter circuit (83) and a wireless antenna circuit (84), a communication end of the Zigbee chip circuit (81) is connected with the main control module (1), an output end is connected with an input end of the wireless amplification circuit (82), an output end of the wireless amplification circuit (82) is connected with an input end of the wireless filter circuit (83), and an output end of the wireless filter circuit (83) is connected with the wireless antenna circuit (84).
4. The smart farm control system of claim 3, further comprising an environmental monitoring module, the environmental monitoring module comprising:
the gas detection chip (91) is connected with the main control module (1) and is used for transmitting detected ambient air quality information to the main control module (1);
the temperature and humidity detection chip (93) is connected with the main control module (1) and is used for transmitting detected environmental temperature and humidity information to the main control module (1);
the light intensity sensor (92) is connected with the main control module (1) and is used for transmitting detected environment light intensity information to the main control module (1).
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