CN111556103A - Agricultural intelligent monitoring terminal - Google Patents
Agricultural intelligent monitoring terminal Download PDFInfo
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- CN111556103A CN111556103A CN202010291803.2A CN202010291803A CN111556103A CN 111556103 A CN111556103 A CN 111556103A CN 202010291803 A CN202010291803 A CN 202010291803A CN 111556103 A CN111556103 A CN 111556103A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 239000002689 soil Substances 0.000 claims abstract description 27
- 230000007613 environmental effect Effects 0.000 claims abstract description 20
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 23
- 239000013078 crystal Substances 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000006855 networking Effects 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008520 organization Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
Abstract
The invention relates to the field of agricultural monitoring terminals, and discloses an agricultural intelligent monitoring terminal which comprises an Internet of things monitoring terminal and an Internet of things transmission terminal, wherein the Internet of things monitoring terminal collects environmental information and sends the collected environmental information to the Internet of things transmission terminal through the Internet of things for transmission, and the environmental information collected by the Internet of things monitoring terminal at least comprises air temperature, air humidity, illuminance, CO2Concentration, soil moisture, soil temperature, soil EC value, leaf surface temperature and humidity, stalk micro-change and fruit expansion information. The agricultural intelligent monitoring terminal has the following beneficial effects: high stability, large-scale networking and long transmission distance.
Description
Technical Field
The invention relates to the field of agricultural monitoring terminals, in particular to an agricultural intelligent monitoring terminal.
Background
The agricultural internet of things is the internet of things which is displayed in real time through various instruments or used as a parameter of automatic control to participate in the automatic control. Can provide scientific basis for accurate regulation and control of the greenhouse, and achieve the purposes of increasing yield, improving quality, adjusting growth cycle and improving economic benefit. The agricultural internet of things is generally applied to a monitoring network formed by a large number of sensor nodes, information is collected through various sensors to help farmers find problems in time and accurately determine the positions where the problems occur, so that agriculture gradually turns from a production mode taking manpower as a center and relying on isolated machinery to a production mode taking information and software as a center, and various automatic, intelligent and remote control production devices are used in a large number. However, the existing agricultural monitoring terminal is not high in stability, cannot be flexibly networked under the condition of a large range, and is short in transmission distance.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an agricultural intelligent monitoring terminal with high stability, capability of large-scale networking, and long transmission distance, aiming at the above defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: an agricultural intelligent monitoring terminal is constructed, and comprises an Internet of things monitoring terminal and an Internet of things transmission terminal, the Internet of things monitoring terminal collects environmental information and collects the environmental information and sends the environmental information to the Internet of things transmission terminal through the Internet of things, and the environmental information collected by the Internet of things monitoring terminal at least comprises air temperature, air humidity, illuminance, CO2Concentration, soil moisture, soil temperature, soil EC value, leaf surface temperature and humidity, stalk micro-change and fruit expansion information.
In the agricultural intelligent monitoring terminal, the Internet of things monitoring terminal comprises a first main control circuit, a sensor interface, a TTL-to-RS 485 circuit, a TTL-to-RS 232 circuit, a wireless module, an ADC (analog-to-digital converter) detection module and a first indicator lamp, wherein the TTL-to-RS 485 circuit is respectively connected with the first main control circuit and the sensor interface, the TTL-to-RS 232 circuit is connected with the sensor interface, and the TTL-to-RS 232 circuit is connected with the sensor interfaceThe sensor interface is connected with an air temperature sensor, an air humidity sensor, an illuminance sensor and CO2Concentration sensor, soil moisture sensor, soil temperature sensor, soil EC value sensor, leaf surface temperature and humidity sensor, stalk micro-variation sensor and fruit expansion sensor, wireless module, ADC detection module and first pilot lamp all with first master control circuit connects.
In the agricultural intelligent monitoring terminal, the internet of things monitoring terminal further comprises a first power supply protection circuit, a first voltage conversion circuit, a second voltage conversion circuit, an on-off control circuit and a first power supply voltage detection circuit, wherein the first voltage conversion circuit, the second voltage conversion circuit and the first power supply voltage detection circuit are all connected with the first power supply protection circuit, the second voltage conversion circuit is connected with the on-off control circuit, and the on-off control circuit and the first power supply voltage detection circuit are all connected with the first main control circuit.
In the agricultural intelligent monitoring terminal, the internet of things monitoring terminal further comprises an SWD debugging and downloading interface, a first reset circuit and a first crystal oscillator circuit, wherein the SWD debugging and downloading interface and the first crystal oscillator circuit are connected with the first main control circuit, and the first reset circuit is connected with the second voltage conversion circuit.
In the agricultural intelligent monitoring terminal, the first voltage conversion circuit converts 12V into 5V, and the second voltage conversion circuit converts 12V into 3.3V.
In the agricultural intelligent monitoring terminal, the internet of things transmission terminal comprises a second main control circuit, a 4G module circuit, a second power supply protection circuit, a 4G power supply on-off control circuit, a third voltage conversion circuit, a PMOS (P-channel metal oxide semiconductor) tube on-off control circuit and a wireless module interface, wherein the 4G module circuit is connected with the second main control circuit, the second power supply protection circuit is connected with the 4G power supply on-off control circuit, the 4G power supply on-off control circuit is connected with the second main control circuit, the third voltage conversion circuit is respectively connected with the second power supply protection circuit and the 4G power supply on-off control circuit, and the PMOS tube on-off control circuit and the wireless module interface are both connected with the second main control circuit.
In the agricultural intelligent monitoring terminal, the internet of things transmission terminal further comprises a second power supply voltage detection circuit, a second indicator light and a debugging interface, and the second power supply voltage detection circuit, the second indicator light and the debugging interface are all connected with the second main control circuit.
In the agricultural intelligent monitoring terminal, the internet of things transmission terminal further comprises a debugging interface, a second reset circuit and a second crystal oscillator circuit, wherein the debugging interface and the second crystal oscillator circuit are both connected with the second main control circuit, and the second reset circuit is connected with the debugging interface.
In the agricultural intelligent monitoring terminal, the 4G module circuit comprises a test interface, a serial port level conversion circuit, an SIM card seat circuit, a 3.9V voltage stabilizing circuit, a 4G indicator lamp, a switch control circuit, a 3.9V overvoltage protection circuit and an SIM7600 module, the test interface is connected with the 3.9V voltage stabilizing circuit, the serial port level conversion circuit is connected with the SIM7600 module, the SIM card seat circuit is connected with the SIM7600 module, the 4G indicator lamp, the 3.9V overvoltage protection circuit and the SIM7600 module are all connected with the 3.9V voltage stabilizing circuit, and the switch control circuit is connected with the SIM7600 module.
In the agricultural intelligent monitoring terminal, the internet of things transmission terminal further comprises an external RTC clock module and an alarm clock output level reverse wake-up circuit, the alarm clock output level reverse wake-up circuit is connected with the external RTC clock module, and the external RTC clock module and the alarm clock output level reverse wake-up circuit are both connected with the second main control circuit.
The agricultural intelligent monitoring terminal has the following beneficial effects: because the internet of things monitoring terminal and the internet of things transmission terminal are arranged, the internet of things monitoring terminal collects environmental information and sends the collected environmental information to the internet of things transmission terminal through the internet of things for transmission, and the environmental information collected by the internet of things monitoring terminal at least comprises air temperature, air humidity and illuminationDegree of CO2The system comprises a concentration monitoring terminal, a soil moisture monitoring terminal, a soil temperature monitoring terminal, a soil EC value, a leaf surface temperature and humidity, stem micro-change and fruit expansion information, environment information can be monitored in a single-point mode and in a multi-point mode through flexible networking of an internet of things monitoring terminal and an internet of things transmission terminal, a wireless communication system protocol which is independently researched and developed is adopted, the packet loss rate can be smaller than 1%, flexible networking can be achieved under the large-scale situation, the maximum effective transmission distance between the terminals is 2KM, and therefore the system is high in stability, capable of achieving large-scale networking and long in transmission distance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an internet of things monitoring terminal in one embodiment of an agricultural intelligent monitoring terminal of the invention;
fig. 2 is a circuit schematic diagram of the transmission terminal of the internet of things in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the agricultural intelligent monitoring terminal, the agricultural intelligent monitoring terminal comprises an internet of things monitoring terminal and an internet of things transmission terminal, the internet of things monitoring terminal is responsible for acquiring environmental information and sending the acquired environmental information to the internet of things transmission terminal through the internet of things for transmission, namely, the internet of things transmission terminal is responsible for transmitting the information, and an internet of things monitor is responsible for monitoring the environment of the agricultural intelligent monitoring terminalThe environment information collected by the terminal at least comprises air temperature, air humidity, illuminance and CO2Concentration, soil moisture, soil temperature, soil EC value, leaf surface humiture, stalk micro-change and fruit expansion information through the nimble network deployment of thing networking monitor terminal and thing networking transmission terminal, can realize single-point monitoring and the multiple spot monitoring of environmental information. By adopting the self-developed wireless communication system protocol, the packet loss rate can be less than 1%, the network can be flexibly organized under the large-scale situation, and the maximum effective transmission distance between the terminals is 2KM, so that the invention has higher stability, can realize large-scale network organization and has longer transmission distance.
Fig. 1 is a schematic circuit diagram of an internet of things monitoring terminal in this embodiment, in fig. 1, this internet of things monitoring terminal includes a first main control circuit 101, a sensor interface 102, a TTL-to-RS 485 circuit 103, a TTL-to-RS 232 circuit 104, a wireless module 105, an ADC detection module 106 and a first indicator light 107, wherein, the TTL-to-RS 485 circuit 103 is connected with the first main control circuit 101 and the sensor interface 102 respectively, the TTL-to-RS 232 circuit 104 is connected with the sensor interface 102, the sensor interface 102 is connected with an air temperature sensor, an air humidity sensor, a light intensity sensor, a CO2 concentration sensor, a soil moisture sensor, a soil temperature sensor, a soil EC value sensor, a leaf surface temperature and humidity sensor, a stalk micro-change sensor and a fruit expansion sensor, and the wireless module 105, the ADC detection module 106 and the first indicator light 107 are all connected with the first main control circuit 101.
The first main control circuit 101 is provided with a first main control chip, and the model of the first main control chip is STM32F103RET 6. The TTL to RS485 circuit 103 is used for converting a TTL interface into an RS485 interface, and the TTL to RS232 circuit 104 is used for converting the TTL interface into an RS232 interface. The wireless module 105 is provided with a wireless communication chip WLK of model WLK 01139. The first indicator light 107 includes a power indicator light, a red indicator light, a green indicator light, a blue indicator light, and a yellow indicator light.
In this embodiment, the internet of things monitoring terminal further includes a first power protection circuit 108, a first voltage conversion circuit 109, a second voltage conversion circuit 110, an on-off control circuit 111, and a first power voltage detection circuit 112, where the first voltage conversion circuit 109, the second voltage conversion circuit 110, and the first power voltage detection circuit 112 are all connected to the first power protection circuit 108, the second voltage conversion circuit 110 is connected to the on-off control circuit 111, and the on-off control circuit 111 and the first power voltage detection circuit 112 are all connected to the first main control circuit 101. The first power protection circuit 108 has power input, reverse connection prevention, and overvoltage protection functions, the first voltage conversion circuit 109 converts 12V to 5V, and the second voltage conversion circuit 110 converts 12V to 3.3V. The on-off control circuit 111 is used for performing on-off control of a 3.3V voltage, and the first power supply voltage detection circuit 112 is used for performing power supply voltage detection.
In this embodiment, the monitoring terminal for internet of things further includes an SWD debugging and downloading interface 113, a first reset circuit 114, and a first crystal oscillator circuit 115, where the SWD debugging and downloading interface 113 and the first crystal oscillator circuit 114 are both connected to the first main control circuit 101, and the first reset circuit 114 is connected to the second voltage conversion circuit 110. The SWD debug and download interface 113 is used to perform device debugging and program downloading.
Fig. 2 is a schematic circuit diagram of an internet of things transmission terminal in this embodiment, and in fig. 2, the internet of things transmission terminal includes a second main control circuit 201, a 4G module circuit 202, a second power protection circuit 203, a 4G power supply on-off control circuit 204, a third voltage conversion circuit 205, a PMOS transistor on-off control circuit 206, and a wireless module interface 207, where the 4G module circuit 202 is connected to the second main control circuit 201, the second power protection circuit 203 is connected to the 4G power supply on-off control circuit 204, the 4G power supply on-off control circuit 204 is connected to the second main control circuit 201, the third voltage conversion circuit 205 is connected to the second power protection circuit 203 and the 4G power supply on-off control circuit 204, and the PMOS transistor on-off control circuit 206 and the wireless module interface 207 are both connected to the second main control circuit 201.
The second power protection circuit 203 is used for performing power input, reverse connection prevention and overvoltage protection functions, the 4G power supply on-off control circuit 204 is used for performing 4G power supply on-off control, the third voltage conversion circuit 205 is used for converting 12V into 3.3V, and the PMOS tube on-off control circuit 206 is used for controlling 3.3V on-off through a PMOS tube.
In this embodiment, the transmission terminal of the internet of things further includes a second power supply voltage detection circuit 207, a second indicator lamp 208, and a debugging interface 209, where the second power supply voltage detection circuit 207, the second indicator lamp 208, and the debugging interface 209 are all connected to the second main control circuit 201.
The transmission terminal of the internet of things further comprises a debugging interface 210, a second reset circuit 211 and a second crystal circuit 212, wherein the debugging interface 210 and the second crystal circuit 212 are both connected with the second main control circuit 201, and the second reset circuit 211 is connected with the debugging interface 210. The debug interface 210 is used for device debugging.
In this embodiment, the 4G module circuit 202 includes a test interface 21, a serial port level conversion circuit 22, an SIM card socket circuit 23, a 3.9V voltage stabilizing circuit 24, a 4G indicator lamp 25, a switch control circuit 26, a 3.9V overvoltage protection circuit 27, and an SIM7600 module 28, where the test interface 21 is connected to the 3.9V voltage stabilizing circuit 24, the serial port level conversion circuit 22 is connected to the SIM7600 module 28, the SIM card socket circuit 23 is connected to the SIM7600 module 28, the 4G indicator lamp 25, the 3.9V overvoltage protection circuit 27, and the SIM7600 module 28 are all connected to the 3.9V voltage stabilizing circuit 24, and the switch control circuit 26 is connected to the SIM7600 module 28.
In this embodiment, the transmission terminal of the internet of things further includes an external RTC clock module 213 and an alarm clock output level reverse wake-up circuit 214, the alarm clock output level reverse wake-up circuit 214 is connected to the external RTC clock module 213, and the external RTC clock module 213 and the alarm clock output level reverse wake-up circuit 214 are both connected to the second main control circuit 201.
In a word, in this embodiment, owing to be equipped with thing networking monitor terminal and thing networking transmission terminal, thing networking monitor terminal gathers environmental information and sends the environmental information who gathers for thing networking transmission terminal through the thing networking and transmits, and the environmental information that thing networking monitor terminal gathered includes air temperature, air humidity, illuminance, CO at least2Concentration, soil moisture, soil temperature, soil EC value, leaf surface humiture, stalk micro-change and fruit expansion information through the nimble network deployment of thing networking monitor terminal and thing networking transmission terminal, can realize single-point monitoring and the multiple spot monitoring of environmental information, adopts the wireless communication system agreement of independently researching and developingThe packet loss rate can be less than 1%, the network can be flexibly organized under the large-scale situation, and the maximum effective transmission distance between the terminals is 2KM, so that the invention has higher stability, can realize large-scale network organization and has longer transmission distance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The agricultural intelligent monitoring terminal is characterized by comprising an Internet of things monitoring terminal and an Internet of things transmission terminal, wherein the Internet of things monitoring terminal acquires environmental information and collects the environmental information which is sent to the Internet of things transmission terminal through the Internet of things and transmitted, and the environmental information acquired by the Internet of things monitoring terminal at least comprises air temperature, air humidity, illuminance, CO2Concentration, soil moisture, soil temperature, soil EC value, leaf surface temperature and humidity, stalk micro-change and fruit expansion information.
2. The agricultural intelligent monitoring terminal of claim 1, wherein the internet of things monitoring terminal comprises a first main control circuit, a sensor interface, a TTL to RS485 circuit, a TTL to RS232 circuit, a wireless module, an ADC detection module and a first indicator lamp, wherein the TTL to RS485 circuit is respectively connected with the first main control circuit and the sensor interface, the TTL to RS232 circuit is connected with the sensor interface, and the sensor interface is connected with an air temperature sensor, an air humidity sensor, a light intensity sensor, a CO sensor2Concentration sensor, soil moisture sensor, soil temperature sensor, soil EC value sensor, leaf surface temperature and humidity sensor, stalk micro-variation sensor and fruit expansion sensor, wireless module, ADC detection module and first pilot lamp all with first master control circuit connects.
3. The agricultural intelligent monitoring terminal according to claim 2, wherein the internet of things monitoring terminal further comprises a first power supply protection circuit, a first voltage conversion circuit, a second voltage conversion circuit, an on-off control circuit and a first power supply voltage detection circuit, the first voltage conversion circuit, the second voltage conversion circuit and the first power supply voltage detection circuit are all connected with the first power supply protection circuit, the second voltage conversion circuit is connected with the on-off control circuit, and the on-off control circuit and the first power supply voltage detection circuit are all connected with the first main control circuit.
4. The agricultural intelligent monitoring terminal of claim 3, wherein the Internet of things monitoring terminal further comprises an SWD debugging and downloading interface, a first reset circuit and a first crystal oscillator circuit, the SWD debugging and downloading interface and the first crystal oscillator circuit are connected with the first main control circuit, and the first reset circuit is connected with the second voltage conversion circuit.
5. The agricultural intelligent monitoring terminal of claim 3, wherein the first voltage conversion circuit converts 12V to 5V and the second voltage conversion circuit converts 12V to 3.3V.
6. The agricultural intelligent monitoring terminal according to any one of claims 1 to 5, wherein the internet of things transmission terminal comprises a second main control circuit, a 4G module circuit, a second power supply protection circuit, a 4G power supply on-off control circuit, a third voltage conversion circuit, a PMOS (P-channel metal oxide semiconductor) tube on-off control circuit and a wireless module interface, the 4G module circuit is connected with the second main control circuit, the second power supply protection circuit is connected with the 4G power supply on-off control circuit, the 4G power supply on-off control circuit is connected with the second main control circuit, the third voltage conversion circuit is respectively connected with the second power supply protection circuit and the 4G power supply on-off control circuit, and the PMOS tube on-off control circuit and the wireless module interface are both connected with the second main control circuit.
7. The agricultural intelligent monitoring terminal of claim 6, wherein the transmission terminal of the internet of things further comprises a second power supply voltage detection circuit, a second indicator light and a debugging interface, and the second power supply voltage detection circuit, the second indicator light and the debugging interface are all connected with the second main control circuit.
8. The agricultural intelligent monitoring terminal of claim 7, wherein the internet of things transmission terminal further comprises a debugging interface, a second reset circuit and a second crystal oscillator circuit, the debugging interface and the second crystal oscillator circuit are both connected with the second main control circuit, and the second reset circuit is connected with the debugging interface.
9. The agricultural intelligent monitoring terminal of claim 6, wherein the 4G module circuit comprises a test interface, a serial port level conversion circuit, an SIM card seat circuit, a 3.9V voltage stabilizing circuit, a 4G indicator lamp, a switch control circuit, a 3.9V overvoltage protection circuit and an SIM7600 module, the test interface is connected with the 3.9V voltage stabilizing circuit, the serial port level conversion circuit is connected with the SIM7600 module, the SIM card seat circuit is connected with the SIM7600 module, the 4G indicator lamp, the 3.9V overvoltage protection circuit and the SIM7600 module are all connected with the 3.9V voltage stabilizing circuit, and the switch control circuit is connected with the SIM7600 module.
10. The agricultural intelligent monitoring terminal of claim 8, wherein the internet of things transmission terminal further comprises an external RTC clock module and an alarm clock output level reverse wake-up circuit, the alarm clock output level reverse wake-up circuit is connected with the external RTC clock module, and the external RTC clock module and the alarm clock output level reverse wake-up circuit are both connected with the second master control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291803.2A CN111556103A (en) | 2020-04-14 | 2020-04-14 | Agricultural intelligent monitoring terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010291803.2A CN111556103A (en) | 2020-04-14 | 2020-04-14 | Agricultural intelligent monitoring terminal |
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| CN111556103A true CN111556103A (en) | 2020-08-18 |
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| CN202010291803.2A Pending CN111556103A (en) | 2020-04-14 | 2020-04-14 | Agricultural intelligent monitoring terminal |
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Citations (4)
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2020
- 2020-04-14 CN CN202010291803.2A patent/CN111556103A/en active Pending
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| US20120185185A1 (en) * | 2009-09-15 | 2012-07-19 | Korea Electrical Safety Corporation | Remote electrical safety diagnosis system and apparatus |
| CN201859337U (en) * | 2010-07-07 | 2011-06-08 | 柳平增 | Intelligent observing and controlling system for crop production based on article internet |
| CN206619044U (en) * | 2017-01-20 | 2017-11-07 | 广州海睿信息科技有限公司 | A kind of practical long-range hothouse production environmental monitoring system |
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Application publication date: 20200818 |
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