CN115188220A - Ship position supervisory systems based on loRa - Google Patents
Ship position supervisory systems based on loRa Download PDFInfo
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- CN115188220A CN115188220A CN202210840010.0A CN202210840010A CN115188220A CN 115188220 A CN115188220 A CN 115188220A CN 202210840010 A CN202210840010 A CN 202210840010A CN 115188220 A CN115188220 A CN 115188220A
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- 238000004891 communication Methods 0.000 claims abstract description 28
- 238000007405 data analysis Methods 0.000 claims abstract description 23
- 230000007613 environmental effect Effects 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000013480 data collection Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
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- 230000005611 electricity Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G3/00—Traffic control systems for marine craft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
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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
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
- B63H2021/171—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor making use of photovoltaic energy conversion, e.g. using solar panels
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Abstract
The invention discloses a ship position supervision system based on LoRa, which comprises: the ship power supply module is used for supplying power to the ship to sail according to the solar energy; the data acquisition module is used for acquiring ship operation parameters and environmental state data; the data analysis module is used for acquiring ship navigation early warning information according to the ship operation parameters and the environmental state data; the positioning module is used for acquiring navigation information and position information of each ship in a certain time period; the LoRa communication module is used for sending out navigation information and position information of each ship in a certain time period; the LoRa gateway is used for acquiring navigation information of each ship in a certain time period, sending the navigation information to the adjacent gateways, sequentially sending the navigation information to the adjacent gateways and transmitting the navigation information to the supervision center module; the early warning module is used for providing the sailing early warning information to a crew and a supervision center module; and the supervision center module is used for monitoring the state of the ship in real time and sending an early warning instruction. The invention monitors the position and navigation state of the ship in real time.
Description
Technical Field
The invention belongs to the technical field of information communication, and particularly relates to a ship position supervision system based on LoRa.
Background
No matter whether the ship is transported in ocean or river, the electricity for life on the ship is mainly generated by a generator, so that a large amount of fuel oil is consumed, strong noise is generated in power generation, great pollution is caused to the environment, and the health of personnel on the ship is damaged in different degrees.
LoRa is a low-power networking technology developed by SemTech, adopts a direct sequence spread spectrum technology, and utilizes globally shared ISM public frequency 137-1020MHZ to carry out wireless data transmission. Because it uses Sub-GHZ frequency band, it is easier to communicate with lower power consumption and long distance, and has stronger wall penetrating skill. The low power consumption also greatly prolongs the service life of the battery. Based on the advantages, the LoRa technology is developed and applied in the Internet of things in a large scale. As a ship travels in space, it is necessary to stop at the nearest port for constant food and fresh water supply, and it is also necessary to know where it is going, how far it is going to reach its destination, and the movement of other nearby ships. Finding the nearest port, obtaining the distance to the destination, and the movement of other ships all need to have communication with the outside (headquarters or other ships), in the prior art, a 3G or 4G network is usually used to establish the communication between the ship and the outside, but since the ship is in the sea area, if the 3G or 4G network is weak, an effective connection cannot be established.
The invention can overcome the defects that effective communication connection cannot be established in the sea area or the established wireless data transmission is high in energy consumption in the prior art, realizes smooth communication, and realizes real-time monitoring of the position of the ship, monitoring of the navigation information of the ship and alarming of the real-time condition of the ship which does not normally operate.
Disclosure of Invention
The invention aims to provide a ship position supervision system based on LoRa, which adopts a ship powered by solar energy to perform real-time monitoring and real-time alarming on the position of the ship and improve the safety of shipping.
To achieve the above object, the present invention provides a ship position supervision system based on LoRa, including: the system comprises a ship power supply module, a data acquisition module, a data analysis module, a positioning module, a LoRa communication module, a LoRa gateway, an early warning module and a supervision center module; the ship power supply module, the data acquisition module, the data analysis module, the positioning module, the LoRa communication module, the LoRa gateway, the early warning module and the supervision center module are sequentially connected;
the ship power supply module is used for supplying power to a ship to sail according to solar energy;
the data acquisition module is used for acquiring ship operation parameters and environmental state data;
the data analysis module is used for acquiring ship navigation early warning information according to the ship operation parameters and the environmental state data;
the positioning module is used for acquiring navigation information and position information of each ship in a certain time period;
the LoRa communication module is used for sending out navigation information and position information of each ship in a certain time period;
the LoRa gateway is used for acquiring navigation information of each ship in a certain time period, sending the navigation information to adjacent gateways, sequentially sending the navigation information to the adjacent gateways and transmitting the navigation information to the supervision center module;
the early warning module is used for providing the sailing early warning information to a crew and the supervision center module;
and the supervision center module is used for monitoring the state of the ship in real time and sending an early warning instruction.
Optionally, the ship power generation module includes a solar battery pack connected in series to charge a storage battery pack with a series voltage of 190V to 280V, a charging and inverting combination pile is used for controlling charging and discharging, a charging and discharging quality of a battery is guaranteed through an equalizer, the battery pack is inverted into a three-phase 210V voltage to supply power to electric equipment, and a load is evenly distributed through three lines by a power circuit.
Optionally, the data acquisition module acquires sensor data according to a set frequency and sends the ship operation parameters and the environmental state data to the data analysis module, the ship operation parameters include a current ship water speed, a current ship output power, a current ship shaking angle and frequency, a current ship load and a current ship displacement, and the environmental state data include a current wind direction and a current wind speed.
Optionally, the data analysis module is configured to calculate real-time navigation information of the ship and a current maximum safe speed according to the ship operation parameter; and generating early warning information according to the condition that the current navigational speed is higher than the current maximum safe navigational speed.
Optionally, the data analysis module includes: the power calculation module is used for calculating a ratio according to the current water-to-water speed and the current output power; the power early warning module is used for obtaining early warning information of ship power early warning when the ratio is smaller than a preset power ratio threshold;
optionally, the data analysis module further includes: the rollover prediction module is used for calculating a rollover risk coefficient according to the current shaking angle and frequency and the current wind direction and wind speed; and the rollover early warning module is used for acquiring navigation early warning information of rollover early warning according to the condition that the rollover risk coefficient is higher than a preset rollover risk threshold value.
Optionally, the system further comprises an LoRa communication receiving end, the LoRa communication receiving end is connected with the monitoring center module, and the LoRa communication receiving end is further used for converting the wireless signals into digital signals and sending the digital signals to the monitoring center module.
Optionally, the LoRa communication receiving end further includes: and the control unit is used for spreading the indication information sent by the monitoring center module into a wireless signal and sending the wireless signal to the LoRa gateway.
Optionally, the early warning module includes: the one-key alarm module is used for being manually triggered by personnel on the ship to send alarm information to the monitoring center module when the ship breaks down and needs external rescue.
Optionally, the early warning module further comprises a buzzer, and the buzzer is used for early warning the rollover accident and early warning the operating personnel on the ship; and stopping early warning after the early warning information of the rollover accident disappears.
The invention has the technical effects that: the invention discloses a ship position supervision system based on LoRa.A ship adopting a solar power generation system is adopted for supervision, high-voltage charging and discharging is realized, the diameter of a cable is reduced, the installation and the use are convenient, and the utilization and the popularization of solar energy are facilitated; the invention adopts LoRa communication to overcome the defects that effective communication connection can not be established in the sea area or the established wireless data transmission has high energy consumption in the prior art; the invention comprehensively analyzes the ship operation parameters and the environmental state data, intelligently carries out the early warning of ship navigation, can improve the reliability and safety of ship navigation and improve the competitiveness of water transportation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments of the application are intended to be illustrative of the application and are not intended to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a ship position supervision system based on LoRa according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
As shown in fig. 1, the present embodiment provides a ship position supervision system based on LoRa, which includes: the system comprises a ship power supply module, a data acquisition module, a data analysis module, a positioning module, a LoRa communication module, a LoRa gateway, an early warning module and a supervision center module; the ship power supply module, the data acquisition module, the data analysis module, the positioning module, the LoRa communication module, the LoRa gateway, the early warning module and the supervision center module are sequentially connected;
the ship power supply module is used for supplying power to a ship to sail according to solar energy;
the data acquisition module is used for acquiring ship operation parameters and environmental state data;
the data analysis module is used for acquiring ship navigation early warning information according to the ship operation parameters and the environmental state data;
the positioning module is used for acquiring navigation information and position information of each ship in a certain time period;
the LoRa communication module is used for sending out navigation information and position information of each ship in a certain time period;
the LoRa gateway is used for acquiring navigation information of each ship in a certain time period, sending the navigation information to adjacent gateways, sequentially sending the navigation information to the adjacent gateways and transmitting the navigation information to the supervision center module; the LoRa gateway is used for acquiring navigation information of each ship in a certain time period, sending the navigation information to adjacent gateways, sequentially sending the navigation information to the adjacent gateways and transmitting the navigation information to the supervision center module; the LoRa gateway is responsible for receiving data information such as ship positions sent back by the equipment, transmitting the data to management software of the control center, and sending the received data to the cloud database for storage through the ethernet or the 4G network (for example, the environment which cannot be connected to the wired network line).
The early warning module is used for providing the sailing early warning information to a crew and the supervision center module;
and the supervision center module is used for monitoring the state of the ship in real time and sending an early warning instruction.
According to the further optimization scheme, the ship power generation module comprises a solar battery pack which is connected in series and charges a storage battery pack with the series voltage of more than 190V and less than 280V, a charging inversion combination pile is used for controlling charging and discharging, the charging and discharging quality of a battery is guaranteed through an equalizer, the battery pack is inverted into three-phase 210V voltage to supply power to electric equipment, and a load is evenly distributed through three lines by a circuit.
According to the further optimization scheme, the data acquisition module acquires sensor data according to set frequency and sends ship operation parameters and environment state data to the data analysis module, the ship operation parameters comprise current ship water speed, current ship output power, current ship shaking angle and frequency, current ship load and current ship displacement, and the environment state data comprise current wind direction and wind speed.
According to a further optimization scheme, the data analysis module is used for calculating real-time navigation information and the current maximum safe speed of the ship according to the ship operation parameters; and generating early warning information according to the condition that the current navigational speed is higher than the current maximum safe navigational speed.
Further optimizing the scheme, the data analysis module includes: the power calculation module is used for calculating a ratio according to the current water-to-water speed and the current output power; the power early warning module is used for obtaining early warning information of ship power early warning when the ratio is smaller than a preset power ratio threshold;
further optimize the scheme, the data analysis module still includes: the rollover prediction module is used for calculating a rollover risk coefficient according to the current shaking angle and frequency and the current wind direction and wind speed; and the rollover early warning module is used for acquiring navigation early warning information of rollover early warning according to the condition that the rollover risk coefficient is higher than a preset rollover risk threshold value.
The ship operation parameters comprise current water speed, current output power, current shaking angle and frequency, current load and current displacement, and the environment state data comprise current wind direction and wind speed. The data analysis module further comprises: the safe navigation speed calculation module is used for calculating the current maximum safe navigation speed according to the current opposite-water navigation speed, the current output power, the current shaking angle and frequency, the current load, the current displacement, the current wind direction and the current wind speed; and the navigation speed early warning generation module is used for generating ship navigation early warning information containing navigation speed early warning when the current navigation speed is higher than the current maximum safe navigation speed. The ship navigation early warning information containing the navigation speed early warning can be the current underwater navigation speed and the current maximum safe navigation speed displayed on a screen.
Further optimize the scheme, the system still includes loRa communication receiving terminal, loRa communication receiving terminal is connected with the surveillance center module, still is used for with wireless signal converts digital signal into and sends to the surveillance center module.
Further optimize the scheme, the LoRa communication receiving end still includes: and the control unit is used for spreading the indication information sent by the monitoring center module into a wireless signal and sending the wireless signal to the LoRa gateway.
Further optimization scheme, the early warning module includes: the one-key alarm module is used for being manually triggered by personnel on the ship to send alarm information to the monitoring center module when the ship breaks down and needs external rescue.
According to a further optimization scheme, the early warning module further comprises a buzzer, and the buzzer is used for early warning the rollover accident and early warning the operating personnel on the ship; and stopping early warning after the early warning information of the rollover accident disappears.
And the monitoring center module is responsible for processing the data received by the LoRa gateway, displaying the information of ship position, navigational speed, track, attitude and the like in a graphical interface mode, and storing the data into a background database. If the ship overturns, the equipment is dismantled, the one-key alarm and other events happen, the management software sends out alarms in the forms of sound, light and the like, and pushes a mobile phone short message to inform related personnel. A mobile phone APP: the ship data information in the cloud database can be called, and the relevant information such as ship position, navigational speed and track can be displayed in real time.
When a ship has a rollover accident, attitude angles such as a pitch angle, a roll angle and the like of the ship can be obviously changed. Therefore, in the embodiment of the present application, the variation of the real-time attitude angle may be compared with a first preset threshold, where the first preset threshold is an attitude angle value used for determining whether a rollover accident occurs to the ship. Generally, when a ship accidentally changes a large variation amount of a real-time attitude angle at a certain moment in a sailing process, the ship is not necessarily considered to have a rollover accident, but only when the large variation amount lasts for a certain time, the ship can be judged to have the rollover accident. Therefore, in this embodiment of the present application, if the variation of the real-time attitude angle is greater than the first preset threshold, the terminal device may count the duration that the variation is greater than the first preset threshold. And when the terminal equipment monitors that the variation of the real-time pitch angle is larger than a first preset threshold value, the terminal equipment can start timing, and if the variation of the real-time pitch angle is larger than the first preset threshold value within the next continuous 2s, the terminal equipment can judge that the ship is likely to have a rollover accident at present and carry out early warning aiming at the rollover accident. For the real-time attitude angle, if any variable quantity of the real-time pitch angle or the real-time roll angle is larger than a first preset threshold value, the ship can be determined to have a rollover accident at present and early warning is carried out on the rollover accident. The terminal device can warn the rollover accident in a buzzer or other modes, and can warn operating personnel on the ship. For the rollover accident, the terminal equipment can stop early warning after detecting that the early warning condition of the rollover accident disappears.
The invention discloses a ship position supervision system based on LoRa.A ship adopting a solar power generation system is adopted for supervision, high-voltage charging and discharging is realized, the diameter of a cable is reduced, the installation and the use are convenient, and the utilization and the popularization of solar energy are facilitated; the invention adopts LoRa communication to overcome the defects that effective communication connection can not be established in the sea area or the established wireless data transmission has high energy consumption in the prior art; the invention comprehensively analyzes the ship operation parameters and the environmental state data, intelligently carries out the early warning of ship navigation, can improve the reliability and safety of ship navigation and improve the competitiveness of water transportation.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A LoRa-based vessel position supervision system, comprising: the system comprises a ship power supply module, a data acquisition module, a data analysis module, a positioning module, a LoRa communication module, a LoRa gateway, an early warning module and a supervision center module; the ship power supply module, the data acquisition module, the data analysis module, the positioning module, the LoRa communication module, the LoRa gateway, the early warning module and the supervision center module are sequentially connected;
the ship power supply module is used for supplying power to a ship to sail according to solar energy;
the data acquisition module is used for acquiring ship operation parameters and environmental state data;
the data analysis module is used for acquiring ship navigation early warning information according to the ship operation parameters and the environmental state data;
the positioning module is used for acquiring navigation information and position information of each ship in a certain time period;
the LoRa communication module is used for sending out navigation information and position information of each ship in a certain time period;
the LoRa gateway is used for acquiring navigation information of each ship in a certain time period, sending the navigation information to adjacent gateways, sequentially sending the navigation information to the adjacent gateways and transmitting the navigation information to the supervision center module;
the early warning module is used for providing the sailing early warning information to a crew and the supervision center module;
and the supervision center module is used for monitoring the state of the ship in real time and sending an early warning instruction.
2. The system of claim 1, wherein the ship power generation module comprises a solar battery pack connected in series to charge a battery pack with a series voltage of 190V to 280V, the charging and discharging control is performed by using a charging and inverting composite pile, the charging and discharging quality of a battery is guaranteed by an equalizer, the battery is inverted into a three-phase voltage of 210V to supply power to electric equipment, and the load is evenly distributed by a circuit through three lines.
3. The LoRa-based vessel position supervision system according to claim 1, wherein the data collection module collects sensor data at a set frequency to send the vessel operational parameters including current vessel speed to water, current vessel output power, current vessel sway angle and frequency, current vessel load, and current vessel displacement and the environmental status data including current wind direction and wind speed to the data analysis module.
4. The LoRa-based vessel position supervision system of claim 1, wherein the data analysis module is configured to calculate real-time voyage information and a current maximum safe voyage speed of the vessel based on the vessel operating parameters; and generating early warning information according to the condition that the current navigational speed is higher than the current maximum safe navigational speed.
5. The LoRa-based vessel position surveillance system of claim 4, wherein the data analysis module comprises: the power calculation module is used for calculating a ratio according to the current water-to-water speed and the current output power; and the power early warning module is used for obtaining early warning information of ship power early warning when the ratio is smaller than a preset power ratio threshold value.
6. The LoRa-based vessel position surveillance system of claim 5, wherein the data analysis module further comprises: the rollover prediction module is used for calculating a rollover danger coefficient according to the current shaking angle and frequency, the current wind direction and the current wind speed; and the rollover early warning module is used for acquiring navigation early warning information of rollover early warning according to the condition that the rollover risk coefficient is higher than a preset rollover risk threshold value.
7. The system of claim 1, further comprising an LoRa communication receiver connected to the monitoring center module and configured to convert the wireless signal into a digital signal and send the digital signal to the monitoring center module.
8. The system of claim 1, wherein the LoRa communication receiver further comprises: and the control unit is used for spreading the indication information sent by the monitoring center module into a wireless signal and sending the wireless signal to the LoRa gateway.
9. The LoRa-based vessel position surveillance system of claim 1, wherein the early warning module comprises: the one-key alarm module is used for being manually triggered by personnel on the ship to send alarm information to the monitoring center module when the ship breaks down and needs external rescue.
10. The system for supervising the position of the ship based on the LoRa of claim 6, wherein the early warning module further comprises a buzzer, and the buzzer is used for early warning the personnel on the ship when the rollover accident occurs; and stopping early warning after the early warning information of the rollover accident disappears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210840010.0A CN115188220A (en) | 2022-07-18 | 2022-07-18 | Ship position supervisory systems based on loRa |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210840010.0A CN115188220A (en) | 2022-07-18 | 2022-07-18 | Ship position supervisory systems based on loRa |
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| CN115188220A true CN115188220A (en) | 2022-10-14 |
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| CN202210840010.0A Pending CN115188220A (en) | 2022-07-18 | 2022-07-18 | Ship position supervisory systems based on loRa |
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Application publication date: 20221014 |