CN114189820A - Buoy data acquisition system and control method - Google Patents
Buoy data acquisition system and control method Download PDFInfo
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- CN114189820A CN114189820A CN202111363097.9A CN202111363097A CN114189820A CN 114189820 A CN114189820 A CN 114189820A CN 202111363097 A CN202111363097 A CN 202111363097A CN 114189820 A CN114189820 A CN 114189820A
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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
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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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
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a buoy data acquisition system and a control method, wherein an LORA communication module, a 4G communication module and a Beidou short message communication module are designed, and when the LORA communication module can communicate, the LORA communication module is adopted to transmit data; when the LORA communication module cannot communicate and the 4G communication module can communicate, the 4G communication module is selected to transmit data; when LORA communication module and 4G communication module all can not communicate, choose for use big dipper short message communication module transmission data, realize the communication integration, automatic switch-over communication mode to guarantee the normal communication of buoy data acquisition system and external equipment, improve the communication success rate, make things convenient for data transmission, guaranteed data transmission's reliability and stability.
Description
Technical Field
The invention belongs to the technical field of buoy data acquisition, and particularly relates to a buoy data acquisition system and a control method.
Background
China is a land big country and a marine big country, and marine environmental monitoring is always a key point of marine research in China. The ocean buoy is convenient to place and good in sustainable work performance, and is an important method for monitoring the current ocean environment.
The ocean buoy information acquisition system generally acquires various elements of the sea area through sensors arranged on buoys and transmits data back through a communication function. However, it is difficult to transmit data collected by sensors to shore-based centers safely, effectively and faultlessly, 4G network transmission can only be used in places covered by offshore wireless networks, communication rate is high although communication can be used in open sea, communication cost is high, and power consumption is increased due to simultaneous operation of multiple sensors. The existing buoy system has the problems of single transmission method, fixed working mode, strict environmental requirements, incapability of covering near and far sea areas, low communication success rate, difficult data transmission and the like due to the fact that only one transmission method is used.
Disclosure of Invention
The invention provides a buoy data acquisition system, which improves the success rate of communication.
In order to solve the technical problems, the invention adopts the following technical scheme:
a buoy data acquisition system comprising:
a control system comprising a master control board;
the sensor system is used for acquiring data and sending the acquired data to the main control board;
the data transmission system comprises an LORA communication module, a 4G communication module and a Beidou short message communication module; the LORA communication module, the 4G communication module and the Beidou short message communication module are respectively connected with and communicated with the main control board;
the main control board detects whether LORA communication information is received or not; if the LORA communication information is received, closing the 4G communication module and the Beidou short message communication module, and communicating with external equipment by adopting the LORA communication module;
if the LORA communication information is not received, whether 4G communication information is received or not is detected, if the 4G communication information is received, the LORA communication module and the Beidou short message communication module are closed, and the 4G communication module is adopted to communicate with external equipment;
if the LORA communication information and the 4G communication information are not received, the LORA communication module and the 4G communication module are closed, and the Beidou short message communication module is adopted to communicate with external equipment.
Further, the sensor system comprises an electronic compass, a meteorological sensor, a seawater sensor, a Beidou receiver and a wave sensor.
Still further, buoy data acquisition system still includes power module, power module is electron compass, meteorological sensor, sea water sensor, big dipper receiver, wave sensor, LORA communication module, 4G communication module, the short message communication module power supply of big dipper respectively, is provided with an opto-coupler relay on every power supply line respectively, the main control board passes through the break-make of opto-coupler relay control power supply line.
Furthermore, when the electronic compass/meteorological sensor/seawater sensor is not needed to collect data, the main control board controls the power supply circuit of the electronic compass/meteorological sensor/seawater sensor to be disconnected;
when the electronic compass/meteorological sensor/seawater sensor is required to collect data, the main control board controls the power supply circuit of the electronic compass/meteorological sensor/seawater sensor to be conducted and sends a query instruction to the electronic compass/meteorological sensor/seawater sensor;
and after receiving the query instruction, the electronic compass/meteorological sensor/seawater sensor collects data and sends the data to the main control board.
Furthermore, the Beidou receiver and the wave sensor have respective data acquisition periods;
in the data acquisition period of each Beidou receiver/wave sensor,
when the Beidou receiver/wave sensor does not collect data, the main control board controls the power supply circuit of the Beidou receiver/wave sensor to be disconnected;
when the Beidou receiver/wave sensor collects data, the main control board controls the power supply circuit of the Beidou receiver/wave sensor to be conducted.
Further, when the 4G communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T11;
when the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T12;
when the Beidou short message communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T13;
T11＜T12＜T13。
further, when the 4G communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T21;
when the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T22;
when the Beidou short message communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T23;
T21＜T22＜T23。
furthermore, the main control board analyzes the received collected data, packages the data, and stores the collected data and the packaged data in a storage module of the main control board.
Still further, storing the collected data and the encapsulated data in a storage module of the main control board specifically includes:
checking whether a current date catalogue exists on a storage module;
if the data does not exist, a current date catalog is created according to the current date, and then the collected data and the packaged data are stored into a corresponding document under the current date catalog according to the data type;
and if the data exists, storing the collected data and the packaged data into a corresponding document under the current date directory according to the data type.
A control method based on the buoy data acquisition system comprises the following steps:
after the main control board is powered on, detecting whether each device of the acquisition system is normal;
when the equipment abnormality is detected, uploading the abnormal data to a shore-based center, resetting the whole acquisition system, and re-detecting whether each equipment is normal;
when all the devices are detected to be normal, the main control board controls the sensor system to acquire data;
the main control board receives the acquired data sent by the sensor system and processes the received acquired data;
and the main control board sends the processed data to the outside through a data transmission system.
Compared with the prior art, the invention has the advantages and positive effects that: according to the buoy data acquisition system and the control method, the LORA communication module, the 4G communication module and the Beidou short message communication module are designed, and when the LORA communication module can communicate, the LORA communication module is adopted to transmit data; when the LORA communication module cannot communicate and the 4G communication module can communicate, the 4G communication module is selected to transmit data; when LORA communication module and 4G communication module all can not communicate, choose for use big dipper short message communication module transmission data, realize the communication integration, automatic switch-over communication mode to guarantee the normal communication of buoy data acquisition system and external equipment, improve the communication success rate, make things convenient for data transmission, guaranteed data transmission's reliability and stability.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a block diagram of an embodiment of a buoy data acquisition system in accordance with the present invention;
FIG. 2 is a flow chart of one embodiment of a method for controlling a buoy data collection system in accordance with the present invention;
fig. 3 is a communication module handover flow diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Aiming at the problems that the existing buoy has a single communication method, cannot adapt to the near-sea and far-sea conditions, has poor communication power and high environmental requirements, and various sensors cause high power consumption and limited working time, the invention provides a communication fusion buoy data acquisition system which comprises the following components: in the aspect of data acquisition, a plurality of paths of 232 and 485 serial ports are adopted, an interruption mode is used for acquiring water quality, weather, waves, an electronic compass and Beidou positioning data, and when the sensor does not need to work, the on-off of the sensor is controlled through a relay, so that the purpose of reducing power consumption is achieved; in the aspect of communication, a method of 4G, LORA Beidou short message fusion communication is adopted, when the communication environment changes, the communication mode is automatically switched, and data are stably transmitted back to the shore-based center and the shipborne receiving station in real time.
The invention provides a buoy data acquisition system and a control method aiming at the problems of difficult transmission of buoy data, low communication success rate and the like. The buoy data acquisition system and the control method are described in detail below by way of specific embodiments.
The buoy data acquisition system of the embodiment is installed on a buoy and mainly comprises a control system, a sensor system, a data transmission system and the like.
The control system comprises a main control board, wherein the main control board is a control center of the whole acquisition system and controls the operation of the whole acquisition system.
A sensor system including various sensors for collecting various data; and the sensor system sends the acquired data to the main control board. The sensor system may acquire various monitoring data including location information of the buoy, environmental information around the buoy, and the like.
The data transmission system comprises an LORA communication module, a 4G communication module and a Beidou short message communication module, and is shown in figure 1; the LORA communication module, the 4G communication module and the Beidou short message communication module are respectively connected with the main control board for communication. The Baud rate of the LORA communication module, the 4G communication module and the Beidou short message communication module is 115200, and an RS232 communication protocol is adopted.
When the main control board needs to communicate with external equipment, the main control board starts the LORA communication module, the 4G communication module and the Beidou short message communication module; the LORA communication module sends the LORA communication information to the main control board when receiving the LORA communication information; the 4G communication module sends the 4G communication information to the main control board when receiving the 4G communication information; and the Beidou short message communication module sends the short message communication information to the main control board when receiving the short message communication information.
The main control board detects whether LORA communication information is received; if the LORA communication information is received, closing the 4G communication module and the Beidou short message communication module, and communicating with external equipment by adopting the LORA communication module; the data is sent by the LORA communication module.
If the LORA communication information is not received, whether 4G communication information is received or not is detected, if the 4G communication information is received, the LORA communication module and the Beidou short message communication module are closed, and the 4G communication module is adopted to communicate with external equipment; and transmitting data by the 4G communication module.
If the LORA communication information and the 4G communication information are not received, closing the LORA communication module and the 4G communication module, and communicating with external equipment by adopting a Beidou short message communication module; and the Beidou short message communication module sends data.
The LORA communication, the 4G communication and the short message communication respectively correspond to three modes of near field communication, offshore communication and open sea communication.
The communication distance of the LORA communication mode on the sea can reach 8KM, when the ship-borne terminal is used near the buoy for receiving, the main control board only keeps the LORA communication module to work after receiving the LORA connection information, closes other communication modules, and receives real-time buoy information through the LORA gateway on the ship-borne terminal.
When the buoy is located offshore, the main control board does not receive LORA connection information, but receives 4G communication information, only the 4G communication module is kept to work, other communication modules are closed, the data acquisition time interval is shortened, and more data are acquired by means of high bandwidth of 4G communication.
When the buoy is located in open sea and the main control board cannot receive LORA communication information and 4G communication information, only the Beidou short message communication module is reserved, the main control board closes other communication modules and is limited by Beidou short message communication frequency and transmission data volume in unit time, so that data acquisition intervals are increased, and stability and integrity of data return are ensured.
According to the buoy data acquisition system, by designing the LORA communication module, the 4G communication module and the Beidou short message communication module, when the LORA communication module can communicate, the LORA communication module is adopted to transmit data; when the LORA communication module cannot communicate and the 4G communication module can communicate, the 4G communication module is selected to transmit data; when LORA communication module and 4G communication module all can not communicate, choose for use big dipper short message communication module transmission data, realize the communication integration, automatic switch-over communication mode to guarantee the normal communication of buoy data acquisition system and external equipment, improve the communication success rate, make things convenient for data transmission, guaranteed data transmission's reliability and stability.
In this embodiment, the sensor system includes an electronic compass, a weather sensor, a seawater sensor, a Beidou receiver, a wave sensor, etc., so that the positioning of the buoy and relatively comprehensive monitoring data around the buoy can be obtained. The electronic compass, the meteorological sensor, the seawater sensor, the Beidou receiver and the wave sensor respectively send the acquired data to the main control board.
And the electronic compass is used for acquiring the attitude data and the position data of the buoy to realize navigation and positioning.
And the Beidou receiver is used for acquiring Beidou positioning data and realizing navigation positioning.
And the meteorological sensor is used for acquiring meteorological data.
And the seawater sensor is used for acquiring water quality data.
And the wave sensor is used for acquiring wave data.
Wherein, the wave sensor and the electronic compass adopt RS232 communication protocol, and the baud rate is 9600; the Beidou receiver, the meteorological sensor and the seawater sensor adopt an RS485 communication protocol, and the baud rates are 9600, 19200 and 9600 respectively. The electronic compass, the meteorological sensor and the seawater sensor are in an active query mode, and corresponding data are returned only after a query instruction is received; the Beidou receiver and the wave sensor are in a passive query mode, and actively transmit data after data are generated.
In this embodiment, for the convenience of supplying power for each consumer on the buoy, buoy data acquisition system still includes power module, and power module is electron compass, meteorological sensor, sea water sensor, big dipper receiver, wave sensor, LORA communication module, 4G communication module, the short message communication module power supply of big dipper respectively, is provided with an opto-coupler relay on every power supply line respectively, and the main control board passes through the break-make of opto-coupler relay control power supply line.
By arranging the optocoupler relays on each power supply line, the on-off of the power supply line can be conveniently controlled, isolation can be realized, and the safety of the main control board and each electric device is ensured.
The main control board supplies power through the power module and controls whether each sensor is electrified or not through each relay.
Specifically, the power supply module comprises a power supply A, a power supply B, a power supply C, a power supply D, a power supply E, a power supply F, a power supply G, a power supply H, a power supply J and 8 optocoupler relays; power A is the sea water sensor power, and power B is big dipper short message communication module power, and power C is LORA communication module power, and power D is 4G communication module power, and power E is the main control board power, and power F is the wave sensor power, and power G is the electron compass power, and power H is big dipper receiver power, and power I is the meteorological sensor power. Wherein, there is not opto-coupler relay on the power supply line between power E and the main control board, all is provided with an opto-coupler relay on the eight remaining power supply lines, and 8 opto-coupler relays's of main control board control break-make for whether control 5 sensors, 3 communication module's electrification.
When certain electric equipment needs to work, the main control board controls the optical coupling relays on corresponding power supply circuits to be closed, and then the corresponding power supply circuits are controlled to be conducted; when certain electric equipment is not needed to work, the main control board controls the optical coupling relays on the corresponding power supply lines to be turned off, and then the corresponding power supply lines are controlled to be turned off, so that the effects of saving electricity and energy are achieved.
In this embodiment, the electronic compass, the weather sensor and the seawater sensor are in an active query mode, and the collected data is returned after receiving a query instruction of the main control board.
When the electronic compass/meteorological sensor/seawater sensor is not needed to collect data, the main control board controls the power supply circuit of the electronic compass/meteorological sensor/seawater sensor to be disconnected;
when the electronic compass/meteorological sensor/seawater sensor is required to collect data, the main control board controls the power supply circuit of the electronic compass/meteorological sensor/seawater sensor to be conducted and sends a query instruction to the electronic compass/meteorological sensor/seawater sensor;
and after receiving the query instruction, the electronic compass/meteorological sensor/seawater sensor collects data and sends the collected data to the main control board.
Through the design, power is supplied to the electronic compass/meteorological sensor/seawater sensor only when the electronic compass/meteorological sensor/seawater sensor is required to collect data, so that power consumption can be reduced, power and energy are saved, and the service life of the buoy is prolonged.
In this embodiment, big dipper receiver, wave sensor are passive inquiry mode, gather data back initiative and send to the main control board.
The Beidou receiver and the wave sensor are used for periodically acquiring data, and have respective data acquisition periods.
In the data acquisition period of each Beidou receiver/wave sensor, when the Beidou receiver/wave sensor does not acquire data, the main control board controls the power supply circuit of the Beidou receiver/wave sensor to be disconnected;
in the data acquisition cycle of each Beidou receiver/wave sensor, when the Beidou receiver/wave sensor acquires data, the main control board controls the power supply circuit of the Beidou receiver/wave sensor to be conducted.
Through the design, in a data acquisition cycle, only when big dipper receiver/wave sensor carries out data acquisition, just supply power to north fill receiver/wave sensor, can reduce the consumption, the power saving is energy-conserving, the live time of extension buoy.
In this embodiment, when adopting 4G communication module, LORA communication module, big dipper short message communication module and external equipment communication respectively, big gradually becomes in the data acquisition cycle of big dipper receiver.
Specifically, when the 4G communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T11; when the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T12; when the Beidou short message communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T13; t11 < T12 < T13.
When adopting 4G communication module and external equipment communication, big dipper receiver's data acquisition cycle is little (data acquisition interval is little promptly), relies on the high bandwidth collection more data of 4G communication.
When the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is moderate (namely the data acquisition interval is moderate).
When the Beidou short message communication module is used for communicating with external equipment, the Beidou short message communication module is limited by Beidou short message communication frequency, the data transmission amount in unit time is limited, the data acquisition period of the Beidou receiver is large (namely, the data acquisition interval is large), and the stability and the integrity of data return are ensured.
Therefore, when different communication modules are adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is different, so that the stability and the integrity of data uploading are ensured.
In this embodiment, when adopting 4G communication module, LORA communication module, big dipper short message communication module and external equipment communication respectively, the data acquisition cycle of wave sensor grow gradually.
Specifically, when the 4G communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T21; when the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T22; when the Beidou short message communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T23; t21 < T22 < T23.
When the 4G communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is short (namely, the data acquisition interval is small), and more data are acquired by means of the high bandwidth of 4G communication.
When the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is moderate (namely the data acquisition interval is moderate).
When the Beidou short message communication module is used for communicating with external equipment, the Beidou short message communication module is limited by Beidou short message communication frequency, the transmission data volume in unit time is limited, the data acquisition period of the wave sensor is long (namely, the data acquisition interval is large), and the stability and the integrity of data return are ensured.
Therefore, when different communication modules are adopted to communicate with external equipment, the data acquisition periods of the wave sensors are different, so that the stability and the integrity of data uploading are ensured.
When data acquisition is carried out, the baud rate and the data bit number of each sensor are configured through the main control board. And then setting the query interval time of the electronic compass, the meteorological sensor and the seawater sensor, querying data according to the corresponding time interval, controlling the corresponding sensors to be powered off by the main control board through the relay when the sensors do not work, and supplying power only when the data are queried, thereby achieving the purpose of reducing power consumption. The master control board is provided with a data acquisition cycle of the Beidou receiver and the wave sensor; the wave sensor collects wave data every 20 minutes, and is required to be in a working state all the time, and a power supply line is cut off through a relay only when the wave data is not needed. The Beidou receiver collects Beidou positioning data every 20 minutes, and a power supply line is cut off through a relay only when the Beidou positioning data is not needed.
The main control board is provided with a storage module, such as a TF memory card, with the capacity of 128G. The storage module is used for storing various data received by the main control board.
In this embodiment, the sensor system sends the collected data to the main control board, and the main control board analyzes the received collected data, then encapsulates the data, and stores the original collected data and the encapsulated data into the storage module of the main control board, so as to facilitate later inspection.
In this embodiment, storing the collected data and the encapsulated data in the storage module of the main control board specifically includes:
first, it is checked whether a current date directory exists on the storage module.
If the current date catalogue does not exist, the current date catalogue is created according to the current date, a plurality of documents are created under the current date catalogue, each document corresponds to one data type (namely corresponds to one sensor), and then the collected data and the packaged data are stored into the corresponding document under the current date catalogue according to the data types.
And if the current date catalogue exists, directly storing the acquired data and the packaged data into a corresponding document under the current date catalogue according to the data type.
Through the storage operation, the original collected data and the newly packaged data of each sensor can be quickly searched in the later period, and the inspection is facilitated.
The sensors are different and the data types are different, so that different types of data refer to data of different sensors. And under the current date directory, creating a corresponding document for each sensor, wherein the corresponding document is used for storing the original acquisition data of each sensor and the packaged data. For example, in this embodiment, under the current date directory, 5 documents are created, which are respectively used for storing the raw collected data and the packaged data of the electronic compass, the weather sensor, the seawater sensor, the beidou receiver and the wave sensor.
The file system in the main control board adopts a FatFs system which is an open-source FAT file system commonly used in a small embedded system and has good hardware independence.
After the buoy terminal is started, the main control board checks whether a current date catalogue exists or not after acquiring original acquisition data of each sensor, the catalogue naming rule is YYYYY-MM-DD, if the catalogue does not exist, the catalogue is created according to the current date, if the catalogue exists, different types of data are respectively stored in corresponding documents, the original acquisition data and newly packaged data can be conveniently checked after the buoy is recovered, and the safety and integrity of the data are ensured.
The newly encapsulated data structure is explained below.
After the main control board receives the collected data of each sensor, data analysis is carried out on different types of data according to corresponding protocols, the data are packaged again and packaged into a new piece of data, and the original collected data and the newly packaged data are stored in a current date directory in the storage module.
The newly packaged data is composed of a protocol header, a data area and protocol check, and is shown in table 1, wherein the protocol header comprises a protocol header identifier, a buoy identifier, a data identifier and a data length part, the length of each part is one byte, the length of the data area is determined by the data identifier, and a check code of the protocol adopts an exclusive or check mode. The composition of the newly encapsulated data is shown in table 1. The correspondence between the data identification and the content of the data area is shown in table 2.
TABLE 1
TABLE 2
Data transmission work is carried out after data packaging, packaging and storing are finished, the LORA communication module, the 4G communication module and the Beidou short message communication module are automatically switched to upload data, and the communication success rate is improved.
The embodiment provides a communication-converged buoy data acquisition system, which comprises subsystems such as data acquisition, data storage, a control system and data transmission, can realize data acquisition and transmission of near-sea and far-sea buoys, and solves the problems of overhigh power consumption, low communication success rate, difficult data transmission and the like during far-sea work.
The buoy data acquisition system of the embodiment receives data through the multi-channel serial port and controls the on-off of the sensor, so that the effectiveness and the safety of the acquired data are ensured, the power consumption of the buoy is more effectively reduced, and the working time of the buoy is prolonged; the data are transmitted by a converged communication method, so that the problem that the data cannot be transmitted back in real time when the mobile communication network signal is poor is solved, and a new thought is provided for open sea transmission and shipborne reception.
Based on the design of the buoy data acquisition system, the present embodiment further provides a control method based on the buoy data acquisition system, which mainly includes the following steps, as shown in fig. 2.
(1) And after the main control board is powered on, detecting whether each device of the acquisition system is normal.
(2) And when the equipment abnormality is detected, uploading the abnormal data to the shore-based center, resetting the whole acquisition system, and re-detecting whether each equipment is normal or not.
(3) When all the devices are detected to be normal, the main control board controls the sensor system to collect data.
(4) The main control board receives the collected data sent by the sensor system and processes the received collected data. The main control board specifically comprises the following steps: and analyzing the acquired data, packaging and packaging into a new piece of data. The main control board stores original collected data and newly packaged data into the storage module.
(5) The main control board sends the processed data to the outside through a data transmission system and uploads the data to a shore-based center.
Referring to fig. 3, when the main control board transmits data through the data transmission system, the main control board detects whether LORA communication information is received; if the LORA communication information is received, closing the 4G communication module and the Beidou short message communication module, and communicating with external equipment by adopting the LORA communication module; the data is sent by the LORA communication module.
If the LORA communication information is not received, whether 4G communication information is received or not is detected, if the 4G communication information is received, the LORA communication module and the Beidou short message communication module are closed, and the 4G communication module is adopted to communicate with external equipment; and transmitting data by the 4G communication module.
If the LORA communication information and the 4G communication information are not received, closing the LORA communication module and the 4G communication module, and communicating with external equipment by adopting a Beidou short message communication module; and the Beidou short message communication module sends data.
The control method based on the buoy data acquisition system can realize data acquisition and transmission of the near-sea buoy and the far-sea buoy, and solves the problems of overhigh power consumption, low communication success rate, difficult data transmission and the like during the operation of the far sea.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A buoy data acquisition system, characterized by: the method comprises the following steps:
a control system comprising a master control board;
the sensor system is used for acquiring data and sending the acquired data to the main control board;
the data transmission system comprises an LORA communication module, a 4G communication module and a Beidou short message communication module; the LORA communication module, the 4G communication module and the Beidou short message communication module are respectively connected with and communicated with the main control board;
the main control board detects whether LORA communication information is received or not; if the LORA communication information is received, closing the 4G communication module and the Beidou short message communication module, and communicating with external equipment by adopting the LORA communication module;
if the LORA communication information is not received, whether 4G communication information is received or not is detected, if the 4G communication information is received, the LORA communication module and the Beidou short message communication module are closed, and the 4G communication module is adopted to communicate with external equipment;
if the LORA communication information and the 4G communication information are not received, the LORA communication module and the 4G communication module are closed, and the Beidou short message communication module is adopted to communicate with external equipment.
2. The buoy data acquisition system of claim 1, wherein: the sensor system comprises an electronic compass, a meteorological sensor, a seawater sensor, a Beidou receiver and a wave sensor.
3. The buoy data acquisition system of claim 2, wherein: buoy data acquisition system still includes power module, power module is electron compass, meteorological sensor, sea water sensor, big dipper receiver, wave sensor, LORA communication module, 4G communication module, the short message communication module power supply of big dipper respectively, is provided with an opto-coupler relay on every power supply line respectively, the main control board passes through the break-make of opto-coupler relay control power supply line.
4. The buoy data acquisition system of claim 2, wherein:
when the electronic compass/meteorological sensor/seawater sensor is not needed to collect data, the main control board controls the power supply circuit of the electronic compass/meteorological sensor/seawater sensor to be disconnected;
when the electronic compass/meteorological sensor/seawater sensor is required to collect data, the main control board controls the power supply circuit of the electronic compass/meteorological sensor/seawater sensor to be conducted and sends a query instruction to the electronic compass/meteorological sensor/seawater sensor;
and after receiving the query instruction, the electronic compass/meteorological sensor/seawater sensor collects data and sends the data to the main control board.
5. The buoy data acquisition system of claim 2, wherein:
the Beidou receiver and the wave sensor have respective data acquisition periods;
in the data acquisition period of each Beidou receiver/wave sensor,
when the Beidou receiver/wave sensor does not collect data, the main control board controls the power supply circuit of the Beidou receiver/wave sensor to be disconnected;
when the Beidou receiver/wave sensor collects data, the main control board controls the power supply circuit of the Beidou receiver/wave sensor to be conducted.
6. The buoy data acquisition system of claim 5, wherein:
when the 4G communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T11;
when the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T12;
when the Beidou short message communication module is adopted to communicate with external equipment, the data acquisition period of the Beidou receiver is T13;
T11＜T12＜T13。
7. the buoy data acquisition system of claim 5, wherein:
when the 4G communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T21;
when the LORA communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T22;
when the Beidou short message communication module is adopted to communicate with external equipment, the data acquisition period of the wave sensor is T23;
T21＜T22＜T23。
8. the buoy data acquisition system of any one of claims 1 to 7, wherein: the main control board analyzes the received collected data, packages the data and stores the collected data and the packaged data into a storage module of the main control board.
9. The buoy data acquisition system of claim 8, wherein: the data storage after will gathering data and encapsulation is in the storage module of main control board, specifically includes:
checking whether a current date catalogue exists on a storage module;
if the data does not exist, a current date catalog is created according to the current date, and then the collected data and the packaged data are stored into a corresponding document under the current date catalog according to the data type;
and if the data exists, storing the collected data and the packaged data into a corresponding document under the current date directory according to the data type.
10. A control method based on the buoy data acquisition system as claimed in any one of claims 1 to 9, characterized in that: the method comprises the following steps:
after the main control board is powered on, detecting whether each device of the acquisition system is normal;
when the equipment abnormality is detected, uploading the abnormal data to a shore-based center, resetting the whole acquisition system, and re-detecting whether each equipment is normal;
when all the devices are detected to be normal, the main control board controls the sensor system to acquire data;
the main control board receives the acquired data sent by the sensor system and processes the received acquired data;
and the main control board sends the processed data to the outside through a data transmission system.
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