CN211603979U - Wisdom agricultural remote control system - Google Patents
Wisdom agricultural remote control system Download PDFInfo
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- CN211603979U CN211603979U CN202020416522.0U CN202020416522U CN211603979U CN 211603979 U CN211603979 U CN 211603979U CN 202020416522 U CN202020416522 U CN 202020416522U CN 211603979 U CN211603979 U CN 211603979U
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Abstract
The utility model belongs to the technical field of smart agriculture, in particular to a smart agriculture remote control system, which comprises a wireless data acquisition module, a remote transmission module, a lower computer controller and a cloud platform server; the remote transmission module includes: the device comprises a main control chip, a network communication module, an Ethernet module, a real-time clock module, a data storage module, a DAC (digital-to-analog converter) expansion unit, an LED display module, a motor driving module and a relay interface. The cloud platform server receives the environmental information signals and the control command data sent by the remote transmission module, calls the optimal growth rule data of the crops in the expert library, compares the optimal growth rule data with the received environmental information signals according to the optimal growth rule data, and then sends commands to the remote transmission module through the network communication module or the Ethernet module, the remote transmission module directly drives the execution mechanism or sends the commands to the lower computer controller to drive the execution machine, the remote transmission module is strong in universality, and the environmental state of the crop growth is adjusted in time.
Description
Technical Field
The utility model belongs to the technical field of the wisdom agricultural, concretely relates to wisdom agricultural remote control system.
Background
6000 million acres of facility agriculture exist in China, wherein the agricultural planting is about 2000 million acres of sunlight greenhouses and greenhouses. The mode of manual working and small mechanical cooperation is basically adopted for planting. The installation irrigates spraying equipment in the canopy, and ventilation equipment rolls up curtain equipment, electrical equipment such as heating equipment operates through artifical manual control. At present, the greenhouse is patrolled and examined by manpower to judge environmental indexes such as temperature, humidity and illumination in the greenhouse, and the greenhouse is patrolled and examined manually to have the defects:
1. not only the labor intensity is high, the number of required personnel is large, but also the problems of inaccurate reading, low informatization level and the like exist.
2. The manual inspection of the greenhouse is lack of scientific guidance for irrigation, fertilization, temperature adjustment and other operations by virtue of subjective experience.
3. Lack of informationized acquisition means and high-efficiency transmission technology, and cannot monitor the environmental conditions in real time.
4. Due to the lack of platform management, real-time and accurate data query cannot be performed, historical data cannot be stored, and intelligent analysis cannot be performed by utilizing the historical data.
The intelligent control device of big-arch shelter that exists at present, the function is all relatively more single to data acquisition control is given first place to, can't effectual scientific growth of intervening in crops. And the interface is abundant inadequately, can not satisfy wisdom farming's needs, does not possess the network communication function, only can the localization management, and sensor and controlgear are connected and are mostly wired connection, and the site operation is loaded down with trivial details.
Even some agricultural greenhouses capable of being remotely controlled are not updated for a long time, and the growth curve and the optimal crop growth data which accord with the current season of the year cannot be updated in real time along with different environmental condition factors of the same period every year.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the unable effectual scientific growth of interveneeing crops that exists among the prior art, the interface is abundant inadequately, and the defect that the site operation is loaded down with trivial details, expert's storehouse is not timely updated provides a wisdom agricultural remote control system.
For solving the technical problem, the utility model provides a technical scheme that its technical problem adopted is: the utility model provides an wisdom agricultural remote control system which characterized in that: the system comprises a wireless data acquisition module, a remote transmission module, a lower computer controller and a cloud platform server; the wireless data acquisition module wirelessly transmits the acquired environmental information signals in the agricultural greenhouse to the remote transmission module, and the wireless transmission module processes the environmental information signals and then transmits a command to the lower computer controller to drive the actuating mechanism;
the remote transmission module includes:
a main control chip;
the power supply module is electrically connected with the main control chip;
the network communication module is connected with the main control chip through the uarttttl, receives the environmental information signals acquired by the wireless data acquisition module, transmits the environmental information signals to the main control chip for processing, and sends a command to the lower computer controller through the network communication module after the main control chip processes the environmental information signals;
and the Ethernet module is used for driving the Ethernet MAC layer to communicate and is connected with the main control chip through an RMII standard bus.
The real-time clock module is connected with the main control chip through an IIC bus;
the data storage module is connected with the main control chip through an IIC bus;
the DAC expansion unit is connected with the main control chip through an SPI bus and used for conducting DAC expansion on DAC resources of the main control chip;
the LED display module is connected with the main control chip through an IO interface;
the motor driving module is connected with the main control chip through an I/O port;
the relay interface is connected with the main control chip through an I/O port;
the cloud platform server receives the environmental information signals and the control command data sent by the remote transmission module, calls the optimal growth rule data of the crops in the expert database, compares the optimal growth rule data with the received environmental information signals according to the optimal growth rule data, and then sends commands to the remote transmission module through the network communication module or the Ethernet module, and the remote transmission module directly drives the execution mechanism or sends the commands to the lower computer controller to drive the execution mechanism.
The system further comprises an image acquisition module, a cloud platform server and a control module, wherein the image acquisition module is used for acquiring growth state images of crops and sending the growth state images to the cloud platform server through the Ethernet; and the agricultural experts dynamically update the optimal growth rule data of the crops by analyzing the growth state of the crops and the environmental information signals.
Further, the main control chip is connected with the lower computer controller through a network communication module.
Further, the network communication module adopts an NBIOT module.
Furthermore, the network communication module adopts a GPRS module.
Furthermore, the main control chip is connected with a USBOTG interface for external USB flash disk equipment access, system upgrade or log information copy.
Further, the remote transmission module further comprises a SDcard interface, a debugging interface and a reserved extension.
Further, the main control chip adopts an STM32F429 chip of ST company.
Still further, the wireless data acquisition module comprises: temperature sensor, humidity sensor, CO2 concentration sensor, pH value sensor and illumination intensity sensor.
The utility model discloses a wisdom agricultural remote control system's beneficial effect is:
1. the utility model discloses a remote transmission module uses NBIOT module or GPRS module as network communication module, is equipped with the ethernet module simultaneously, and the commonality is strong, can adapt to the different network transmission module that different big-arch shelters were equipped with, and wireless collection module is wireless gives remote transmission module with signal transmission, and remote transmission module is also wireless gives the next computer controller with the command transmission, has reduced the problem of the construction difficulty of acting as go-between on the spot.
2. The remote transmission module is provided with a motor driving module and a relay interface, and when the remote transmission module is used as an upper computer, the remote transmission module can directly drive an actuating mechanism which is close to the remote transmission module, so that the interface of the main control chip is utilized to the maximum extent, and the cost of a controller of a lower computer is saved.
3. The intelligent agriculture of the utility model relies on the big data of the cloud platform server to monitor the growth state of the same kind of plants at the same period, and the agricultural experts sample the data regularly, by comparing the crops which are found in each sampling period and on the same sowing date, the optimal growth rule data of the crops are found, the optimal growth rule data of the current season of the year can be updated in time, so that the crops planted later in the same season of the year are referred to the crops planted earlier, the cloud platform server compares the received environmental information signal with the optimal growth rule data to issue an instruction to the remote transmission module, the remote transmission module issues an instruction to the lower computer controller to drive the execution mechanism to act so as to realize remote control, meanwhile, agricultural experts can observe other sudden phenomena such as plant diseases and insect pests in the growth process of crops through the growth state image acquired by the image acquisition module.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a system block diagram of an embodiment of the present invention;
fig. 2 is an overall structure diagram of a remote transmission module according to an embodiment of the present invention;
fig. 3 is an internal structure diagram of a remote transmission module according to an embodiment of the present invention;
fig. 4 is a diagram of an appearance structure of a remote transmission module according to an embodiment of the present invention;
fig. 5 is an explanatory view of installation of equipment in a greenhouse according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an ethernet chip according to an embodiment of the present invention;
fig. 7 is a circuit diagram of a DAC expansion chip according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an ADC op-amp circuit according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an RS232 communication circuit according to an embodiment of the present invention;
in the figure, the system comprises a cloud platform server 1, a cloud platform server 21, a soil temperature sensor 22, a soil humidity sensor 23, an air temperature sensor 24, an air humidity sensor 25, a CO2 concentration sensor 26, an illumination intensity sensor 27, a PH value sensor 3, a remote transmission module 30, an Ethernet module 31, a main control chip 32, a power supply module 33, a network communication module 34, a data storage module 35, a real-time clock module 36, a DAC expansion unit 37, an LED display module 38, a liquid crystal display module 39, a USBOTG interface 40, a motor control module 41, a reserved expansion 42, a digital quantity input end interface 43, a relay interface 44, a SDCARD interface 45, an LCD interface 46, a debugging interface 47, an RS232/RS485 interface 5, a lower computer controller 6 and an image acquisition module.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1-9 show a specific embodiment of the smart agriculture remote control system of the present invention, which includes an image acquisition module 6, a wireless data acquisition module, a remote transmission module 3, a lower computer controller 5 and a cloud platform server 1.
Referring to fig. 5, the embodiment of the present invention takes a smart agricultural greenhouse as an example, and the smart agricultural greenhouse is provided with actuators such as a solenoid valve, a humidifier, an air blower, a heater, and a sunshade net, and is also provided with a plurality of soil temperature sensors 21 for collecting temperature signals of soil; a plurality of air temperature sensors 23 are arranged for collecting temperature signals in the air; a plurality of soil humidity sensors 22 are arranged for collecting soil humidity signals; is provided with a plurality ofAn air humidity sensor 24 for collecting humidity signals in the air; multiple carbon dioxide concentration sensors for collecting CO in air2A concentration signal; a plurality of PH value sensors 27 are arranged for detecting the pH value of soil, a plurality of illumination intensity sensors 26 are arranged for acquiring illumination intensity signals inside the greenhouse, and the wireless data acquisition modules are used for acquiring environment information signals.
In order to monitor the growth state of crops, the greenhouse is also internally provided with an image acquisition module 6, and the image acquisition module 6 is sent to the cloud server platform through the Ethernet, so that agricultural experts can monitor the growth state of the crops in real time.
The utility model discloses remote transmission module 3 is a host computer promptly, is the general type signal processing and the transmission device of a many interfaces again. Referring to fig. 2 and 3, the remote transmission module 3 includes: the main control chip 31 adopts STM32F429 chip of ST company. And the power supply module 32 is electrically connected with the main control chip 31, and the power supply module 32 converts the 24V input voltage into 15V, -15V, 5V and 3.3V voltages through the voltage conversion circuit to provide power for each module.
The main control chip 31 is connected with a network communication module through uarttttl, and an NBIOT module or a GPRS module is adopted according to the gateway configuration condition of the greenhouse, the network communication module 33 can receive the environmental information signals collected by the wireless data collection module and transmit the environmental information signals to the main control chip 31 for processing, and the main control chip 31 sends a command to the lower computer controller 5 through the network communication module 33 after processing the environmental information signals. The NBIOT module is WH-NB73 in model number, the NBIOT module can wirelessly receive collected data sent by various sensor terminals in a greenhouse, the received data are transmitted to the main control chip 31 through uartTTL, the main control chip 31 completes data transmission by operating an NBIOT module instruction set through Uart, and finally the data are sent to the lower computer controller 5 and the cloud platform server 1 through the NBIOT module.
The ethernet module 30 is an ethernet MAC layer control chip with a model W5500 ethernet chip or a model LAN8720, is configured to drive ethernet MAC layer communication, and is connected to the main control chip 31 by using an RMII standard bus. Fig. 6 is a circuit diagram of an ethernet chip.
The real-time clock module 35 is connected to the main control chip 31 through an IIC bus, and uses an RTC chip with a model number of RX8025T, and the real-time clock chip is used for displaying time in real time.
The DAC extension unit 36 adopts a DAC extension chip with a model number of DAC084S085, which is shown as a circuit diagram of the DAC extension chip. Because the DAC resource of the main control chip 31 is limited, the DAC resource of the main control chip 31 is used for DAC expansion, 4 DAC channels can be expanded, and the SPI bus is used to connect with the main control chip 31. And the DAC extension unit 36 is connected to the main control chip 31 through an SPI bus, and is configured to perform DAC extension on DAC resources of the main control chip 31.
And the LED display module 37 is connected with the main control chip 31 through an I/O interface.
The embodiment of the utility model provides an in be provided with USBOTG interface 39 for outside USB flash disk equipment inserts, system upgrade or log information copy.
The motor driving module is connected with the main control chip 31 through an I/O port and used for expanding an external motor interface and externally connecting a stepping motor driving controller, the stepping motor driving controller can send a high-speed pulse signal to the stepping motor driver, and the stepping motor driver receives the high-speed pulse signal sent by the stepping motor controller and amplifies the signal to drive the stepping motor.
And the relay interface 43 is connected with the main control chip 31 through an I/O port.
The main control chip 31 is connected to the lower computer controller 5 through the network communication module 33.
The utility model discloses remote transmission module 3 includes two at least RS232 interfaces and two at least RS485 interfaces, and its RS232 interface and RS485 all follow standard MODBUS agreement, and FIG. 9 shows to be RS232 communication circuit schematic diagram. Remote transmission module 3 still includes DI digital input end interface 42 and Relay interface 43, and both are connected with main control chip 31 through the IO mouth connection, the embodiment of the utility model provides an it is connected with external sensor to be provided with ADOPGircuit ADC fortune amplifier circuit promptly, shown in figure 8 for ADC fortune amplifier circuit schematic diagram, through the ADC interface with main control chip 31 connects. Sampling resistor Motorctrl converts current signal into voltage signal when accessing current signal, will insert AD analog to digital converter through converting circuit again, realizes analog signal to digital signal's conversion, and the main control chip 31 is transmitted through ADC operational amplifier circuit conversion numerical value, through SPI to realize reading of data. DAOP passes through XTR111 and exports the signal, the embodiment of the utility model provides an in the liquid crystal display module 38 that sets up adopt the LCD screen to pass through LCD interface 45 and be connected with main control chip 31, LED display module 37 adopts board to carry the pilot lamp.
The utility model discloses a remote transmission module 3 possesses ethernet interface all the way and NBIOT thing networking remote transmission module all the way, adopts the popular MQTT agreement on the market, one kind towards the many concurrent transmission protocol of thing networking, with the data regularly upload to appointed cloud platform server 1 in. The Ethernet and NBIOT modules both support the MQTT transport protocol. And selecting a corresponding network transmission mode according to the gateway setting of the agricultural greenhouse field.
The wireless data acquisition module wirelessly transmits the acquired environmental information signals in the agricultural greenhouse to the remote transmission module 3, and the wireless transmission module processes the environmental information signals and then transmits commands to the lower computer controller 5 to drive the actuating mechanism.
The cloud platform server 1 receives the environmental information signal and the control command data sent by the remote transmission module 3, calls the optimal growth law data of crops in the expert library, compares the optimal growth law data with the received environmental information signal according to the optimal growth law data, and then sends a command to the remote transmission module 3 through the network communication module or the Ethernet module 30, and the remote transmission module 3 directly drives the execution mechanism or sends the command to the lower computer controller 5 to drive the execution mechanism.
Each sensor of the wireless acquisition module outputs acquired environmental information signals to an NBIOT module or a GPRS module of the remote transmission module 3 in a wireless transmission mode, the NBIOT module or the GPRS module transmits the received signals to the main control chip 31 through a UartTTL interface, the main control chip 31 outputs environmental information data to the NBIOT module or the GPRS module after AD conversion processing of the environmental information signals, the environmental information data are sent to the cloud platform server 1 under the combined action of a gateway and a wireless relay, the environmental information data are compared with the optimal growth rule data of crops in an expert database in the cloud platform server 1, if the environmental information data are larger than an upper limit threshold value or smaller than the upper limit threshold value or reach an alarm value, the cloud platform server 1 sends instructions to the remote transmission module 3, the remote transmission module 3 sends instructions to the lower computer controller 5 according to the received instructions of the cloud platform server 1, further remotely controlling the opening and closing of actuating mechanisms such as a heater, a humidifier, a blower and an electromagnetic valve, thereby realizing the temperature, the humidity and the CO in the intelligent agricultural greenhouse2And (4) remotely controlling the concentration, the pH value and the illumination intensity.
The remote transmission module 3 is also provided with a motor driving module and a relay interface 43, and when the remote transmission module is used as an upper computer, the remote transmission module can directly drive an actuating mechanism which is close to the remote transmission module 3, so that the interface of the main control chip 31 is utilized to the maximum extent, and the cost of the lower computer controller 5 is saved.
The utility model discloses a wisdom agricultural relies on cloud platform server 1's big data, implement the growth state of control same period plant in the same period, agricultural expert samples data regularly, through under to finding every sampling period, the contrast of the crops on same seeding date, find the optimal crops optimal growth law data, can in time update the optimal growth law data of current season of current year, make the later crops of same year season planting use the earlier crops of planting as the reference, in order to adapt to the influence of current year's natural environment, cloud platform server 1 contrasts with optimal growth law data according to received environmental information signal, issue the instruction and give teletransmission module 3, teletransmission module 3 issues the instruction and gives lower computer controller 5 with the action of drive actuating mechanism, realize remote control, and agricultural expert can observe other proruptions such as plant diseases and insect pests among the crops growth process through the growth state image that image acquisition module 6 gathered simultaneously, other proruptions find Such as a mouse.
According to the comparison between the crop growth rule data in the expert database of the cloud platform server 1 and the data transmitted by the remote transmission module 3, the lower computer controller 5 can intelligently adjust various actuating mechanisms such as a heater, a humidifier, an air blower, an electromagnetic valve and the like in real time, so that the actual data is equal to or close to the issued crop production data. However, if the crop growth curve deviates from the preset value seriously and cannot be corrected by the lower computer controller 5, the remote transmission module 3 sends an alarm exception remotely to inform the administrator of the field processing.
In the embodiment, the temperature, the humidity and the CO are wirelessly and timely acquired2The concentration, pH value and illumination intensity sensors 26 intelligently judge whether various devices in the greenhouse need to be controlled or not through internal real-time PID closed-loop regulation. The precise planting method mainly comprises the following closed-loop control.
And (3) supplementary lighting closed-loop control: ultraviolet irradiation and the like are adopted to supplement illumination in rainy days or promote the growth of crops.
And (3) heat supplementing closed-loop control: water and electricity can be used for heating, hot water heating is realized by heating water in a solar energy mode, then the water enters a greenhouse through a pipeline for heating, and electric heating air or an air conditioner is used for heating.
And (3) water supply and drainage closed-loop control: and a high-pressure water pump is adopted for irrigation, so that the moisture content of crops is increased. High-pressure spraying system closed-loop control adopts high-pressure atomizing water pump to carry out the water pipe pressurization, and high accuracy atomizer forms the atomizing, carries out moisturizing or cooling to the crop.
Sunshade closed-loop control: and a movable sunshade screen is adopted for sunshade.
Inner shading closed-loop control: in summer, the heat-insulating shading curtain is used for shading sunlight, so that indoor energy gathering is reduced, and indoor temperature is reduced. In winter, the heat-insulating shading curtain has the function of reflecting indoor infrared rays to escape outwards, and reduces heat loss, thereby improving indoor temperature, reducing energy consumption and reducing winter operation cost. And steel wire ropes are adopted for transmission, so that each greenhouse is independently controlled.
External sunshade closed-loop control: the sunlight is shielded outside the greenhouse, so that the indoor sunlight is prevented from being directly irradiated, and the effects of shading sun and cooling are achieved.
And (3) ventilation closed-loop control: an electric exhaust fan is adopted to control the air flow in the greenhouse so as to control the air ingredient content supplement at the greenhouse temperature.
Forced cooling closed-loop control of the fan: the wet curtain is used with the fan cooperation, reaches the effect of air-purifying, humidification cooling. A wet curtain is installed on a partition in the corridor, a fan is installed on an outer side vertical surface, a Monte wet curtain and a low-noise fan are adopted, an aluminum alloy sliding window covered by a PC plate is adopted as an outer sealing window of the wet curtain, and the outer sealing window of the wet curtain can be detached in summer.
Illumination closed-loop control: adopt agricultural LED sodium lamp of three proofings, throw light on to whole greenhouse to make things convenient for night work.
The embodiment of the utility model provides a working process as follows:
and S1, powering on the system, namely waiting for 3-5 seconds to start the system, wherein in the starting process of the system, the equipment monitors whether a USB (universal serial bus) interface has a USB disk inserted in real time, and if the USB disk is detected and contains an upgrade file, executing the upgrade task of the USB disk. And if the USB flash disk is not detected, directly entering the system to run.
S2 upgrading process: when the USB Flash disk is electrified and upgraded is detected, firstly, a program which is running at present is copied to a Flash space for backup, the USB Flash disk file is read for program upgrade after the backup is completed, and if the upgrade fails, the backup file needs to be read from the Flash space for rollback operation.
And S3 equipment operation flow: after the device starts working, the data values of all the sensors are read every 5 seconds and are put into the designated buffer space.
S4 data reporting process: and connecting the NBIOT network module with a server, reading data of the sensor buffer space after the connection is successful, and uploading the data every 1 minute.
It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides an wisdom agricultural remote control system which characterized in that: the system comprises a wireless data acquisition module, a remote transmission module (3), a lower computer controller (5) and a cloud platform server (1); the wireless data acquisition module wirelessly transmits the acquired environmental information signals in the agricultural greenhouse to the remote transmission module (3), and the wireless transmission module processes the environmental information signals and then transmits a command to the lower computer controller (5) to drive the execution mechanism;
the remote transmission module (3) comprises:
a main control chip (31);
the power supply module (32) is electrically connected with the main control chip (31);
the network communication module (33) is connected with the main control chip (31) through Uart TTL, receives the environment information signal acquired by the wireless data acquisition module, transmits the environment information signal to the main control chip (31) for processing, and sends a command to the lower computer controller (5) through the network communication module (33) after the main control chip (31) processes the environment information signal;
the Ethernet module (30) is used for driving an Ethernet MAC layer to communicate and is connected with the main control chip (31) through an RMII standard bus;
the real-time clock module (35) is connected with the main control chip (31) through an IIC bus;
the data storage module (34) is connected with the main control chip (31) through an IIC bus;
the DAC expansion unit (36) is connected with the main control chip (31) through an SPI bus and used for conducting DAC expansion on DAC resources of the main control chip (31);
the LED display module (37) is connected with the main control chip (31) through an IO interface;
the motor driving module is connected with the main control chip (31) through an I/O port;
and the relay interface (43) is connected with the main control chip (31) through an I/O port.
2. The intelligent agricultural remote control system of claim 1, wherein: the crop growth state monitoring system further comprises an image acquisition module (6) which acquires growth state images of crops and sends the growth state images to the cloud platform server (1) through the Ethernet.
3. The intelligent agricultural remote control system of claim 1, wherein: the main control chip (31) is connected with the lower computer controller (5) through a network communication module (33).
4. The intelligent agricultural remote control system of claim 3, wherein: the network communication module (33) adopts an NBIOT module.
5. The intelligent agricultural remote control system of claim 3, wherein: the network communication module (33) adopts a GPRS module.
6. The intelligent agricultural remote control system of claim 1, wherein: and the main control chip (31) is connected with a USB OTG interface (39) for accessing an external USB flash disk device, upgrading a system or copying log information.
7. The intelligent agricultural remote control system of claim 1, wherein: the remote transmission module (3) further comprises an SD Card interface (44), a debugging interface (46) and a reserved expansion (41).
8. The intelligent agricultural remote control system according to any one of claims 1-7, wherein: the main control chip (31) adopts an STM32F429 chip of ST company.
9. The intelligent agricultural remote control system of claim 8, wherein: the wireless data acquisition module comprises: a temperature sensor, a humidity sensor, a CO2 concentration sensor (25), a pH sensor (27), and an illumination intensity sensor (26).
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| CN202020416522.0U CN211603979U (en) | 2020-03-27 | 2020-03-27 | Wisdom agricultural remote control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112287863A (en) * | 2020-11-09 | 2021-01-29 | 九江职业技术学院 | Computer portrait recognition system |
| CN114019851A (en) * | 2021-10-19 | 2022-02-08 | 盐城工业职业技术学院 | Wisdom agricultural remote control system |
-
2020
- 2020-03-27 CN CN202020416522.0U patent/CN211603979U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112287863A (en) * | 2020-11-09 | 2021-01-29 | 九江职业技术学院 | Computer portrait recognition system |
| CN114019851A (en) * | 2021-10-19 | 2022-02-08 | 盐城工业职业技术学院 | Wisdom agricultural remote control system |
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