CN113884142B - Beidou-based field environment space-time information monitoring system and method - Google Patents
Beidou-based field environment space-time information monitoring system and method Download PDFInfo
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- CN113884142B CN113884142B CN202111332383.9A CN202111332383A CN113884142B CN 113884142 B CN113884142 B CN 113884142B CN 202111332383 A CN202111332383 A CN 202111332383A CN 113884142 B CN113884142 B CN 113884142B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The invention relates to a big dipper-based field environment space-time information monitoring system and a big dipper-based field environment space-time information monitoring method, wherein the system comprises an environment information acquisition module, an information processing and transmission module and a field data monitoring and early warning module; the environment information acquisition module comprises a meteorological sensor, a soil sensor, an underground water level sensor and a video monitoring terminal; the information processing and transmitting module comprises a signal conversion circuit, a microprocessor, a Beidou positioning module and a Beidou communication module; the field data monitoring and early warning module comprises upper computer software, a database, a video information monitoring platform and a field data monitoring and early warning platform; on the basis of realizing the environmental information acquisition function, the invention further obtains the time, position and other space-time information of the station through Beidou positioning, carries out deep fusion on the environmental information and the space-time information, and transmits the environmental space-time information to the field data monitoring and early warning platform through Beidou communication so as to realize real-time monitoring and early warning of specific field environments.
Description
Technical Field
The invention relates to the fields of agricultural Internet of things, agricultural big data and Beidou application, in particular to a field environment space-time information monitoring system and method based on Beidou.
Background
In the field of agricultural production, the influence of environmental variables such as soil temperature, soil humidity, illumination intensity, wind speed, rainfall and the like on the yield and quality of crops is huge, the extensive management mode of traditional agriculture cannot adapt to the requirement of accurate planting in modern agriculture, and in order to change from traditional agriculture to modern agriculture, the fine management of agricultural production is realized, real-time monitoring and intelligent management on farmland environmental data are realized by utilizing the technology of the Internet of things, and the agricultural production efficiency and management level can be effectively improved.
The intelligent monitoring of the field environment refers to the intelligent dynamic monitoring of the field area environment in a timing and quantitative manner by utilizing intelligent technologies such as a computer technology, an intelligent communication technology, a remote sensing technology and an internet of things technology, so as to acquire first hand data information capable of reflecting the specific environment of the field.
The field environment monitoring based on the Internet of things is to deploy an Internet of things environment monitoring station in a field specific area, construct a field Internet of things environment monitoring system, realize real-time acquisition of field environment data by arranging sensor sensing nodes, and send the data to a remote monitoring center in real time by wireless communication equipment, so as to realize intelligent monitoring and early warning of the field environment.
The Beidou satellite navigation system is a global satellite navigation system which is independently built and independently operated in China and is compatible and shared with other satellite navigation systems in the world, and can provide high-precision and high-reliability positioning, navigation, time service and short-message communication service for various users in the global scope. In recent years, terminal equipment for positioning, navigation and communication by using a Beidou satellite navigation system is endless, and the application of Beidou terminals is seen in more and more fields.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a field environment space-time information monitoring system and method based on Beidou.
The invention provides a big dipper-based field environment space-time information monitoring system, which comprises an environment information acquisition module, an information processing and transmitting module and a field data monitoring and early warning module, wherein the big dipper-based field environment space-time information monitoring module is used for acquiring big dipper-based field environment space-time information; the environment information acquisition module comprises a meteorological sensor, a soil sensor, an underground water level sensor and a video monitoring terminal; the information processing and transmitting module comprises a signal conversion circuit, a microprocessor, and a Beidou positioning module and a Beidou communication module which are electrically connected with the microprocessor, wherein the microprocessor is in communication connection with the field data monitoring and early warning module through the Beidou communication module; the field data monitoring and early warning module comprises upper computer software, a database, a video information monitoring platform and a field data monitoring and early warning platform, wherein the upper computer software is in communication connection with the microprocessor through the Beidou communication module, and the video information monitoring platform is in remote communication connection with the video monitoring terminal.
The underground water level sensor is used for acquiring water level data in a field, the video monitoring terminal is used for acquiring field video data in real time, the meteorological sensor and the soil sensor are respectively used for acquiring meteorological and soil information, and upper computer software is used for setting and sending a field environment space-time information acquisition instruction to the Beidou communication module at regular time; the Beidou communication module receives the information acquisition instruction and sends the information acquisition instruction to the microprocessor, the microprocessor receives the acquisition instruction and drives the environment information acquisition module and the Beidou positioning module to acquire information, each sensor in the environment information acquisition module acquires environment information in real time, the Beidou positioning module acquires site time, position and the like space information in real time, and the acquired environment information and the acquired space information are sent to the microprocessor; the microprocessor gathers and fuses the information, and sends the information to the upper computer software through the Beidou communication module, the upper computer software stores the acquired data in a database in a classified mode, and meanwhile, the video information monitoring platform can realize real-time viewing of video information of the video monitoring terminal; the field data monitoring and early warning platform carries out comprehensive analysis and scientific decision making on the collected environmental space-time information, and carries out real-time monitoring and early warning according to the analysis result.
As optimization, the meteorological sensor comprises an air temperature and humidity sensor, a carbon dioxide sensor, an illuminance sensor, a wind speed sensor, a wind direction sensor and a rain sensor. The wind speed sensor and the wind direction sensor in the scheme are used for acquiring wind speed and wind direction data in the field, the illuminance sensor and the carbon dioxide sensor are used for acquiring illuminance and carbon dioxide concentration in the field, the air temperature and humidity sensor is used for acquiring air temperature and air humidity of the field, and the rainfall sensor is used for acquiring rainfall data of the field.
As optimization, the soil type sensor comprises a soil temperature sensor, a soil humidity sensor and a soil conductivity sensor. The soil temperature sensor, the soil humidity sensor and the soil conductivity sensor in the scheme are respectively used for acquiring the soil temperature, the soil humidity and the soil conductivity of different depths of a field,
The video monitoring system is characterized by further comprising a support arranged at the collecting site, wherein the meteorological sensor, the soil sensor and the groundwater level sensor are connected with the support, and the video monitoring terminal is arranged on the support. The support in this scheme is used for supporting or connecting the sensor, still is used for fixed video monitoring terminal.
As optimization, the outside of video monitoring terminal is covered with protection device, protection device includes rain cover at top, bottom's layer board and side shield of side, the layer board is the transparent plate. The rain cover, the supporting plate at the bottom and the side baffle at the side face of the rain cover and the bottom in the scheme play a role in protecting the video monitoring terminal from water and dust, and the supporting plate is a transparent plate, so that the video monitoring terminal is effectively protected under the condition of not affecting the visual field.
As the optimization, remote cleaning device is equipped with to the layer board below, remote cleaning device is including the cleaning rod of horizontal slip joint in the layer board below, the cover has the sleeve pipe on the cleaning rod, and the sleeve pipe has 4 elastic connection pieces along circumference equipartition rigid coupling, 4 the tip of elastic connection piece is equipped with cleaning cloth, rigid plastic piece, rubber sheet and brush respectively, the one end rigid coupling of terminal surface along cleaning rod direction under the layer board has the upset dog, the cross-section of upset dog is right triangle-shaped and a right angle long limit and layer board laminating, still includes the actuating mechanism of the lateral shifting of drive cleaning rod.
This scheme is through drive arrangement drive cleaning rod lateral shifting, but the sleeve pipe cover freely rotates on the cleaning rod, and adjacent two elastic connection piece laminating on the sleeve pipe are at the layer board lower extreme face, clean through the burnisher on two elastic connection pieces, clean instrument includes cleaning cloth, rigid plastic piece, rubber sheet and brush, and wherein two kinds are cleaned simultaneously with the layer board laminating, and when the cleaning rod moved to one end, the elastic connection piece top in place ahead was on the right angle edge of upset dog, and the cleaning rod continues to remove to realize sheathed tube 90 degrees rotations, thereby realize clean instrument's switching, and when the cleaning rod reverse movement, the hypotenuse walking of upset dog is followed to the elastic connection piece, adapts to the hypotenuse through elastic deformation of elastic connection piece, and the sleeve pipe is not rotatory this moment, consequently through the multiple removal of cleaning rod, can realize multiple instrument's cleanness.
As optimization, the environment information acquisition module further comprises protocol conversion equipment, and the meteorological sensor, the soil sensor, the groundwater level sensor and the video monitoring terminal are respectively in communication connection with the microprocessor through the protocol conversion equipment. The protocol conversion equipment in the scheme comprises a collection card and a hub, and is respectively in communication connection with all the sensors and used for protocol conversion between the microprocessor and each sensor.
Preferably, the protocol conversion device is electrically connected with the microprocessor through a signal conversion circuit. The signal conversion circuit in the scheme has the function of performing the mutual conversion between the RS485 signal and the TTL signal.
As optimization, the system also comprises a power module for providing working power, wherein the power module is electrically connected with the environment information acquisition module and the information processing and transmission module respectively. The power module in the scheme is electrically connected with all the environment information acquisition modules and the information processing and transmission modules and is used for providing a working power supply.
A field environment space-time information monitoring method based on Beidou is characterized by comprising the following steps of:
the method comprises the steps of using upper computer software to set and send a field environment information acquisition instruction to a Beidou communication module at regular time;
the Beidou communication module receives the information acquisition instruction and sends the information acquisition instruction to the microprocessor, the microprocessor receives the acquisition instruction and drives the environmental information acquisition module and the Beidou positioning module to acquire data, each sensor in the environmental information acquisition module acquires environmental information in real time, the Beidou positioning module acquires site time, position and the like space information in real time, and the acquired environmental information and the acquired space information are sent to the microprocessor;
The microprocessor gathers and fuses the information, and sends the information to the upper computer software through the Beidou communication module, the upper computer software stores the acquired data in a database in a classified mode, and meanwhile, the video information monitoring platform can realize real-time viewing of video information of the video monitoring terminal;
The field data monitoring and early warning platform carries out comprehensive analysis and scientific decision-making on the collected environmental space-time information, carries out real-time monitoring and early warning according to the analysis result, and sends the early warning result to an administrator in a short message mode.
The beneficial effects of the invention are as follows: according to the big-Dipper-based field environment space-time information monitoring system, the information acquisition instruction is sent to the microprocessor at regular time through the upper computer software, the information acquisition instruction is sent to the environment information acquisition module and the big-Dipper positioning module through the microprocessor, all sensors in the environment information acquisition module acquire data and send the acquired environment information to the microprocessor through the protocol conversion equipment and the signal conversion circuit, the big-Dipper positioning module acquires site time, position and the like in real time and sends the site time and position and the space-time information to the microprocessor, the microprocessor fuses the environment space-time information deeply, the richness and the third dimension of the information are improved, the microprocessor sends the environment space-time information to the upper computer software through the big-Dipper communication module, the upper computer software receives the data and stores the data in a classified mode through the database, the video information monitoring platform can acquire field video information in real time, the big-field data monitoring and early warning platform integrates the functions of data analysis, scientific decision, monitoring and early warning and the like.
Drawings
FIG. 1 is a schematic diagram of the overall architecture of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of an in-situ layout structure of the present invention;
FIG. 4 is a schematic diagram of a video monitoring terminal protection device according to the present invention;
FIG. 5 is a side view of the video surveillance terminal protection device of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic flow chart of the monitoring method of the present invention;
The figure shows:
1-wind speed sensor, 2-illuminance sensor, 3-lightning rod, 4-carbon dioxide sensor, 5-wind direction sensor, 6-solar panel, 7-video monitoring terminal, 8-air temperature and humidity sensor, 9-control box, 10-rainfall sensor, 11-soil type sensor, 12-groundwater level sensor, 13-staple bolt, 14-rain cover, 15-layer board, 16-vent hole, 17-filter screen, 18-cleaning rod, 19-driving rope, 20-pulley, 21-actuating mechanism, 22-deflector, 23-guide slot, 24-sleeve pipe, 25-elastic connection piece, 26-pull down rope, 27-pull down piece, 28-cleaning cloth, 29-hard plastic piece, 30-rubber piece, 31-brush, 32-turning over stop.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
As shown in fig. 1-7, the big dipper-based field environment space-time information monitoring system comprises an environment information acquisition module, an information processing and transmission module and a field data monitoring and early warning module, wherein the information processing and transmission module is respectively in communication connection with the environment information acquisition module and the field data monitoring and early warning module, the information processing and transmission module and the environment information acquisition module are arranged at an acquisition site, and the field data monitoring and early warning module is arranged in a monitoring room.
The environment information acquisition module comprises a meteorological sensor, a soil sensor, an underground water level sensor and a video monitoring terminal.
The meteorological sensor comprises an air temperature and humidity sensor, a carbon dioxide sensor, an illuminance sensor, a wind speed sensor, a wind direction sensor and a rainfall sensor.
The soil sensor 11 includes a soil temperature sensor, a soil humidity sensor, and a soil conductivity sensor.
Still including setting up the support at gathering the website, meteorological class sensor, soil class sensor and groundwater level sensor all are connected with the support, video monitoring terminal installs on the support.
The height of the support is 3.5m, a horizontal support with the width of 1.5m is fixed at the top end of the support, and a wind speed sensor 1 and a wind direction sensor 5 are respectively arranged at two ends of the horizontal support and used for acquiring wind speed and wind direction data in a field.
An illuminance sensor 2 and a carbon dioxide sensor 4 are respectively distributed at 0.4m distance from the left end and the right end of the horizontal bracket and are used for acquiring illuminance and carbon dioxide concentration in a field.
A solar panel 6 is arranged at 3.2m and 2.8m of the bracket respectively for supplying power to the system.
A video monitoring terminal 7 is arranged at the position of 2.5m of the bracket and is used for acquiring field video data in real time.
An air temperature and humidity sensor 8 is fixed at the position of 2m of the bracket and is used for acquiring the air temperature and the air humidity of a field.
The rainfall sensor 10 is arranged on the horizontal ground and is used for acquiring rainfall data of a field.
At 0.3m from the bracket, respectively arranging soil sensors 11 at 20cm and 40cm from the ground depth for acquiring soil temperature, soil humidity and soil conductivity of the field at 20cm and 40cm depths, and arranging underground water level sensors 12 at 30m from the ground depth for acquiring water level data in the field.
The lightning rod 3 is arranged at the top of the bracket, the control box is arranged at the middle lower part of the bracket, and the circuits of all the sensors are uniformly distributed through the control box.
The outside of video monitoring terminal is covered with protection device, protection device includes rain-proof lid 14 at top, bottom layer board 15 and side shield of side, layer board 15 is the transparent plate.
The video monitoring terminal is connected with the bracket through the hoop 13, the outer end of the rain-shielding plate 14 is fixed in a downward inclination mode by 30 degrees, the other end of the rain-shielding plate is connected and fixed to the bracket end, the outer end of the supporting plate 15 is fixed in a downward inclination mode by 15 degrees, the other end of the rain-shielding plate is fixed to the bracket end, the side plates are divided into a front side plate, a rear side plate, a left side plate and a right side plate, the front side plate, the rear side plate, the left side plate and the right side plate are respectively and vertically fixed to the video monitoring terminal, in order to ensure that air in the device flows and rainwater is discharged, three vent holes 16 are respectively formed in the left side plate and the right side plate, the vent holes are arranged at equal intervals from top to bottom on the left side plate and the right side plate, a drain hole is formed in the middle of the supporting plate, meanwhile, in order to reduce dust entering is achieved, a filter screen 17 is arranged on the inner side of each vent hole 16, materials adopted by the side plates and the rain-shielding cover are stainless steel plates, and materials adopted by the supporting plate are stainless steel glass, so that effective protection on the video monitoring terminal is achieved under the condition that vision is not affected.
In order to clean the supporting plate 15, a remote cleaning device is arranged below the supporting plate 15 and comprises a cleaning rod 18 transversely connected with the lower side of the supporting plate 15 in a sliding mode, guide plates 22 are respectively and downwardly extended at the lower ends of the left side plate and the right side plate, corresponding guide grooves 23 are formed in the opposite surfaces of the two guide plates 22, and two ends of the cleaning rod 18 are respectively inserted into the two guide grooves 23.
The cleaning rod 18 is driven to move transversely, the driving mechanism 21 comprises a motor arranged on a support, a winding drum is arranged on a rotating shaft of the motor, a driving rope 19 is wound on the winding drum, the driving rope 19 is connected to the cleaning rod 18 after bypassing the pulley 20, the cleaning rod 18 is driven to translate towards one end, a lower pull rope 26 is further connected to the cleaning rod 18, a pull-down block 27 is arranged at the lower end of the lower pull rope 26, and the direction of the lower pull rope 26 is opposite to that of the driving rope 19, so that the cleaning rod 18 is translated towards the other end through the gravity of the pull-down block 27.
As shown in fig. 6, the cleaning rod 18 is sleeved with a sleeve 24, 4 elastic connection pieces 25,4 are uniformly and fixedly connected to the sleeve 24 along the circumferential direction, the ends of the elastic connection pieces 25 are respectively provided with a cleaning cloth 28, a hard plastic piece 29, a rubber piece 30 and a brush 31, one end of the lower end face of the supporting plate 15 along the moving direction of the cleaning rod 18 is fixedly connected with a turning stop 32, the section of the turning stop 32 is a right triangle, one right long edge is attached to the supporting plate 15, the sleeve is sleeved on the cleaning rod and can freely rotate, two adjacent elastic connection pieces on the sleeve are attached to the lower end face of the supporting plate, cleaning is performed through cleaning tools on the two elastic connection pieces, each cleaning tool comprises a cleaning cloth, a hard plastic piece, a rubber piece and a brush, two of the cleaning tools are attached to the supporting plate and are simultaneously cleaned, when the cleaning rod moves to one end, the front elastic connection piece is propped against the right-angle edge of the turning stop, the cleaning rod continues to move, so that 90-degree rotation of the sleeve is realized, when the cleaning rod moves reversely, the elastic connection pieces move along the turning stop, the inclined edge is adapted to the elastic connection pieces through elastic deformation of the elastic connection pieces, and the sleeve is not rotated, and multiple cleaning tools can be realized through the movement of the cleaning rod.
The environment information acquisition module further comprises protocol conversion equipment, and the meteorological sensor, the soil sensor, the groundwater level sensor and the video monitoring terminal are respectively in communication connection with the information processing and transmission module through the protocol conversion equipment.
The information processing and transmitting module comprises a signal conversion circuit, a microprocessor, a Beidou positioning module and a Beidou communication module, wherein the Beidou positioning module and the Beidou communication module are electrically connected with the microprocessor, the microprocessor is in communication connection with the field data monitoring and early warning module through the Beidou communication module, the microprocessor is in communication connection with the environment information acquisition module, the meteorological sensor, the soil sensor, the groundwater level sensor and the video monitoring terminal are respectively in communication connection with the microprocessor through protocol conversion equipment, and the protocol conversion equipment is in communication connection with the microprocessor through the signal conversion circuit.
The Beidou positioning module obtains space information such as site longitude, latitude, altitude, time and the like by calling an NMEA-0183 protocol command, and can communicate with the microprocessor through a serial port.
The Beidou positioning module performs initialization setting on serial port baud rate, output pulse width, output frequency and the like of the positioning module according to Sky Traq control protocols. And then entering a circulation waiting state, when data transmitted by a satellite are received, analyzing the data through an NMEA-0183 protocol, extracting needed space-time position information from the data, and filtering the space-time position information through a self-adaptive Kalman algorithm to obtain final accurate site space-time position information.
The microprocessor is in communication connection with the field data monitoring and early warning module through the Beidou communication module; the Beidou communication module is used for transmitting data to be transmitted in the micro-processing to a preset upper computer opposite end, and meanwhile, the data acquired by the video acquisition terminal also need to be transmitted to the video information monitoring platform through the Beidou communication module.
The field data monitoring and early warning module comprises upper computer software, a database, a video information monitoring platform and a field data monitoring and early warning platform, wherein the upper computer software is in communication connection with the microprocessor through the Beidou communication module, the video information monitoring platform is in communication connection with the upper computer software, and the field data monitoring and early warning platform is in communication connection with the upper computer software through the database.
The upper computer software mainly sends a data acquisition instruction to the lower computer, receives the environmental data sent by the Beidou communication module and stores the environmental data in the database in a classified mode, and can display the state of the Beidou communication module in real time.
The database is in charge of storing the data acquired by the environmental information acquisition module, and classifying and storing the data according to the principles of meteorological data, soil data and water level data.
The video information monitoring platform is mainly used for viewing video data of the video monitoring terminal in real time and setting timing snapshot. The field data monitoring and early warning platform comprehensively analyzes the collected environmental data, monitors and early warns according to analysis results, and finally makes scientific decisions according to actual demands of the field.
The system also comprises a power supply module for providing a working power supply, wherein the power supply module is electrically connected with the environment information acquisition module and the information processing and transmission module respectively. In this embodiment, the power module is electrically connected with all the sensors, the video monitoring module, the protocol conversion device, the microprocessor, the Beidou positioning module, the Beidou communication module and the signal conversion circuit module.
A field environment space-time information monitoring method based on Beidou comprises the following steps:
The method comprises the steps of using upper computer software to set and send a field environment information acquisition instruction to a Beidou communication module at regular time; the method can also be used for manually collecting in the upper computer software, sending a collection instruction to the lower computer and correspondingly completing data collection once.
The Beidou communication module receives the information acquisition instructions and sends the information acquisition instructions to the microprocessor, the microprocessor starts to work, the system enters a working mode, the information acquisition instructions are sent to each connected sensor and the Beidou positioning module, and the microprocessor receives the information acquisition instructions and drives the environment information acquisition module to acquire data.
All the sensors in the environment information acquisition module are used for acquiring data in real time, the air temperature and humidity sensor, the soil type sensor and the rainfall sensor are all current output type sensors, when an acquisition instruction sent by the microprocessor module is received, the air temperature and humidity sensor and the rainfall sensor judge whether the acquisition instruction is matched according to an internal protocol of the air temperature and humidity sensor and the rainfall sensor, after the acquisition instruction is matched, the acquired air temperature and humidity information is returned to a corresponding address cache area of the microprocessor through an I2C bus, an output signal of the soil type sensor is an SDI-12 bus, a hub is required to be used for converting the SDI-12 bus into an RS485 signal, whether the acquisition instruction is matched is judged, and after the acquisition instruction is matched, the acquired soil moisture, the soil temperature and the soil conductivity information are returned to the corresponding address cache area of the microprocessor through the 485 bus.
The wind speed sensor, the wind direction sensor, the illuminance sensor, the carbon dioxide sensor and the underground water level sensor are all voltage type sensors, the current output range is 4-20mA after the conversion of the acquisition card, when the acquisition instruction sent by the microprocessor module is received, the sensors judge whether the acquisition instruction is matched according to the internal protocol of the sensors, and after the matching, the acquired illumination intensity information is transmitted back to the corresponding address cache area of the microprocessor through the 485 bus.
When the Beidou positioning module receives an acquisition instruction through a serial port, analyzing data transmitted by a Beidou satellite, extracting needed longitude, latitude, altitude, time and other space-time information from the data, processing the space-time information through a filtering algorithm, finally obtaining diversified site space-time information, ensuring the third dimension of the space-time information and transmitting the space-time information to a microprocessor.
The microprocessor fuses the environment data and the space-time information, and remotely transmits the environment data and the space-time information to the upper computer software through short message communication of the Beidou communication module, when the upper computer software detects information uploaded by the microprocessor, the upper computer software needs to analyze whether the information of each uploading parameter meets the format requirement, if not, the upper computer software transmits an acquisition instruction to the lower computer, and data acquisition is performed again, so that the upper computer software can receive the environment acquisition information which meets the format requirement accurately.
The upper computer software stores the collected data in the database in a classified mode, and meanwhile, the video information monitoring platform can view video information of the video monitoring terminal in real time.
The field data monitoring and early warning platform carries out comprehensive analysis and scientific decision-making on the collected environmental space-time information, carries out real-time monitoring and early warning according to the analysis result, and sends the early warning result to an administrator in a short message mode.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (8)
1. Big dipper-based field environment space-time information monitoring system, its characterized in that: the system comprises an environment information acquisition module, an information processing and transmission module and a field data monitoring and early warning module;
the environment information acquisition module comprises a meteorological sensor, a soil sensor, an underground water level sensor and a video monitoring terminal;
The information processing and transmitting module comprises a signal conversion circuit, a microprocessor, and a Beidou positioning module and a Beidou communication module which are electrically connected with the microprocessor, wherein the microprocessor is in communication connection with the field data monitoring and early warning module through the Beidou communication module;
the field data monitoring and early warning module comprises upper computer software, a database, a video information monitoring platform and a field data monitoring and early warning platform, wherein the upper computer software is in communication connection with the microprocessor through the Beidou communication module, and the video information monitoring platform is in remote communication connection with the video monitoring terminal;
The Beidou positioning module obtains space-time information of site longitude, latitude, altitude and time by calling an NMEA-0183 protocol command, and can communicate with the microprocessor through a serial port;
The Beidou positioning module performs initialization setting on serial port baud rate, output pulse width and output frequency of the positioning module according to Sky Traq control protocol, then enters a circulation waiting state, analyzes data through NMEA-0183 protocol when receiving the data transmitted by a satellite, extracts needed space-time position information from the data, and performs filtering processing on the space-time position information through a self-adaptive Kalman algorithm to obtain final accurate site space-time position information;
The Beidou communication module transmits data to be transmitted in the micro-processing to a preset upper computer opposite end, and meanwhile, data acquired by the video acquisition terminal are transmitted to the video information monitoring platform through the Beidou communication module;
The video monitoring terminal is externally covered with a protection device, the protection device comprises a rain cover (14) at the top, a supporting plate (15) at the bottom and side baffles at the side, and the supporting plate (15) is a transparent plate;
the cleaning device is characterized in that a remote cleaning device is arranged below the supporting plate (15), the remote cleaning device comprises a cleaning rod (18) which is transversely connected with the lower side of the supporting plate (15) in a sliding mode, a sleeve (24) is sleeved on the cleaning rod (18), 4 elastic connecting pieces (25) are fixedly connected to the sleeve (24) along the circumferential direction in a uniformly distributed mode, cleaning cloth (28), hard plastic pieces (29), rubber pieces (30) and brushes (31) are respectively arranged at the end portions of the elastic connecting pieces (25), a turnover stop block (32) is fixedly connected to the lower end face of the supporting plate (15) along the moving direction of the cleaning rod (18), the section of the turnover stop block (32) is a right-angled triangle, a right-angled long edge is attached to the supporting plate (15), and the cleaning device further comprises a driving mechanism for driving the cleaning rod (18) to transversely move.
2. The Beidou-based field environment space-time information monitoring system of claim 1, wherein: the meteorological sensor comprises an air temperature and humidity sensor, a carbon dioxide sensor, an illuminance sensor, a wind speed sensor, a wind direction sensor and a rainfall sensor.
3. The Beidou-based field environment space-time information monitoring system of claim 1, wherein: the soil sensor comprises a soil temperature sensor, a soil humidity sensor and a soil conductivity sensor.
4. The Beidou-based field environment space-time information monitoring system of claim 1, wherein: still including setting up the support at gathering the website, meteorological class sensor, soil class sensor and groundwater level sensor all are connected with the support, video monitoring terminal installs on the support.
5. The Beidou-based field environment space-time information monitoring system of claim 1, wherein: the environment information acquisition module further comprises protocol conversion equipment, and the meteorological sensor, the soil sensor, the groundwater level sensor and the video monitoring terminal are respectively in communication connection with the microprocessor through the protocol conversion equipment.
6. The Beidou-based field environment space-time information monitoring system of claim 5, wherein: the protocol conversion device is electrically connected with the microprocessor through the signal conversion circuit.
7. The Beidou-based field environment space-time information monitoring system of claim 1, wherein: the system also comprises a power supply module for providing a working power supply, wherein the power supply module is electrically connected with the environment information acquisition module and the information processing and transmission module respectively.
8. A method for monitoring spatiotemporal information of a field environmental spatiotemporal information monitoring system based on Beidou according to any one of claims 1-7, characterized by:
the method comprises the steps of using upper computer software to set and send a field environment information acquisition instruction to a Beidou communication module at regular time;
The Beidou communication module receives the information acquisition instruction and sends the information acquisition instruction to the microprocessor, the microprocessor receives the acquisition instruction and drives the environmental information acquisition module and the Beidou positioning module to acquire data, each sensor in the environmental information acquisition module acquires environmental information in real time, and the Beidou positioning module acquires space-time information of site time and site position in real time and sends the acquired environmental information and the acquired space-time information to the microprocessor;
The microprocessor gathers and fuses the information, and sends the information to the upper computer software through the Beidou communication module, the upper computer software stores the acquired data in a database in a classified mode, and meanwhile, the video information monitoring platform can realize real-time viewing of video information of the video monitoring terminal;
The field data monitoring and early warning platform carries out comprehensive analysis and scientific decision-making on the collected environmental space-time information, carries out real-time monitoring and early warning according to the analysis result, and sends the early warning result to an administrator in a short message mode.
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| CN110174860A (en) * | 2019-05-21 | 2019-08-27 | 山东农业大学 | A kind of orchard environment information monitoring system and method based on Internet of Things |
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| WO2019085945A1 (en) * | 2017-10-31 | 2019-05-09 | 杭州美盛红外光电技术有限公司 | Detection device, detection system, and detection method |
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| CN107370784A (en) * | 2017-02-24 | 2017-11-21 | 淮阴师范学院 | A remote monitoring system of farmland soil in large area based on wireless sensor network |
| CN110174860A (en) * | 2019-05-21 | 2019-08-27 | 山东农业大学 | A kind of orchard environment information monitoring system and method based on Internet of Things |
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