CN206019648U - Circulation observation system more than a kind of coastal waters bottom Lagrange - Google Patents

Abstract

An observation system for Lagrangian residual circulation at the bottom of the sea, including a data transmission system, a data monitoring and processing system, and a mobile monitoring terminal with the current. The mobile monitoring terminal with the current includes a cross sail, a watertight control cabin, a watertight antenna box, and the inside of the watertight antenna box There are GPRS mobile communication antenna, GPS/Beidou positioning antenna and maritime satellite communication antenna. In the watertight control cabin, there are data cables, microcontrollers, GPS/Beidou positioning module, GPRS mobile communication module, maritime satellite communication module, timer, hydraulic pressure Pumps and large-capacity lead-acid batteries, airbags and brackets to protect the airbags are installed outside the watertight control cabin, and the airbags are connected to the hydraulic pump through conduits. The utility model has the advantages of flexible technology, reliability, low price, simple structure, easy transportation, and can be used for large-scale observation. The timing module can control the rising and falling time of the instrument, so that the observation data is more in line with the definition of Lagrangian residual current, and the calculation results are more reliable.

Description

An Observation System of Lagrangian Residual Circulation in the Bottom of the Offshore Sea

technical field

The utility model relates to the field of offshore residual circulation observation, in particular to an offshore bottom Lagrangian residual circulation observation system.

Background technique

In the study of offshore environment, ocean current is the basic dynamic condition, and the Lagrangian aftercirculation that filters out the current can represent the net transport of substances in seawater such as sediment, pollutants, and nutrients, so it is very important . At present, there are few on-site observations of Lagrangian residual circulation, and the existing observation methods are mainly to use sea surface drifting buoys to obtain the trajectory of marked water particles, so as to obtain the surface Lagrangian residual circulation. The observation method of the Grangian residual circulation is even less mature. In the deep sea, the tracking method of underwater acoustic positioning can determine the trajectory of underwater drifting buoys in real time, but the cost is very high, and the sound field is complicated due to the reflection of the offshore seabed, making this method unfeasible near the shore. Although the artificial jellyfish method can observe the bottom Lagrangian residual circulation, it is not suitable for quantitative observation because of the uncontrollable recovery time and low recovery rate. In view of this situation, it is urgent to propose a more feasible and low-cost method for observing the bottom Lagrangian circulation.

Contents of the invention

The purpose of the utility model is to provide a method that can be deployed in large quantities and can observe the Lagrangian circulation at the bottom of the sea more accurately, conveniently and at low cost, so as to solve the problems in the above-mentioned background technology.

An offshore bottom Lagrangian residual circulation observation system, including a data transmission system and a data monitoring and processing system, is characterized in that it also includes a mobile monitoring terminal with the current,

The mobile monitoring terminal with the flow includes a cross sail, the middle part of the cross sail is a cylindrical watertight control chamber, and the top of the watertight control chamber is a watertight antenna box. The cross sail is a nylon cross sail to increase water resistance, and it can also Increase or decrease the counterweight on the sail body to ensure that the density of the mobile terminal is near-neutral;

There are GPRS mobile communication antennas, GPS/Beidou positioning antennas and maritime satellite communication antennas inside the watertight antenna box, and a cable channel is left in the center of the bottom of the watertight antenna box 2, which is connected with the communication cable of the control cabin through the watertight joint; the watertight antenna box The main function is to receive and send various types of data;

There are data cable, microcontroller, GPS/Beidou positioning module, GPRS mobile communication module, maritime satellite communication module, timer, hydraulic pump and large-capacity lead-acid battery in the described watertight control cabin,

At the same time, the watertight control cabin is equipped with an airbag and a bracket to protect the airbag. The airbag is connected to the hydraulic pump through a catheter. lift in. The up and down of the terminal is controlled regularly by the timer. Whenever the terminal rises to the sea surface, it can be positioned through the GPS/Beidou module, and the position information is transmitted to the data monitoring and processing system through GPRS or maritime satellite. The watertight control cabin is connected with the antenna box through a data cable.

The data transmission system includes GPRS mobile communication and maritime satellite communication network.

The data monitoring and processing system includes a monitoring terminal, a main control server, a background computing module and a front visual display module.

When the system is running, as shown in Figure 3, the microcontroller commands the mobile terminal floating on the water to perform GPS or Beidou positioning, and establishes a connection with the main control server through GPRS module dial-up, and transmits positioning data through data cables and antenna devices. If the communication network cannot establish a connection, switch to the maritime satellite communication module to dial up to establish a connection, and send the data back to the main control server. After the data transmission is completed, the main control server responds to the microcontroller, and the microcontroller starts to control the hydraulic pump to reduce the volume of the mobile terminal so that the instrument reaches the bottom at a specified sinking speed, and then controls the hydraulic pump again to make the overall density of the instrument nearly neutral. Make the mobile terminal move with the water. After the timing module reaches the specified time, the microcontroller controls the hydraulic pump to increase the volume of the instrument to float to the water surface, and then performs GPS positioning again and sends the position information to the main control server. The main control server supports multi-threaded access, which is convenient for receiving and unpacking multiple data at the same time, and stores the positioning information in the database by category. The background calculation module is responsible for processing data and obtaining Lagrangian circulation data. The user can log in to the main control server from the monitoring terminal to view the location data returned by the mobile terminal in a visualized form. The main control server sends control instructions to the mobile monitoring terminal through the GPRS network or satellite communication network to control the lifting of the instrument.

In the utility model, the GPS/Beidou module, the GPRS module and the maritime satellite transmission module all adopt OEM modules commonly used in the market.

Beneficial effect

The utility model combines the mature and advanced GPS global positioning system (Global Positioning System) or Beidou satellite positioning system, GPRS mobile communication network, and maritime satellite communication network to perform positioning monitoring and data transmission. The technology is flexible, reliable, and cheap, and is suitable for large-scale promotion.

The utility model can calculate the lifting speed by controlling the volume of the instrument, and can control the vertical lifting time of the instrument in combination with the water depth data, and change the density of the instrument by controlling the volume of the instrument, so that it has good water followability.

The utility model can control the lifting time of the instrument through the timing module, thereby making the observation data more conform to the definition of the Lagrangian residual flow and making the calculation result more reliable.

The utility model has the advantages of simple structure, easy transportation and low price, and can be used for large-area observation.

Description of drawings

Fig. 1 is a structural diagram of the mobile monitoring terminal of the utility model.

Fig. 2 is a structural schematic diagram of the antenna box and the watertight control cabin of the present invention.

Fig. 3 is a system architecture diagram of the utility model.

Among them, 1. Cross sail, 2. Antenna box, 3. Watertight control cabin, 4. GPRS mobile communication antenna, 5. GPS/Beidou positioning antenna, 6. Maritime satellite communication antenna, 7. Data cable, 8. Maritime satellite Module, 9. GPS/Beidou positioning module, 10. Timer, 11. GPRS mobile communication module, 12. Controller, 13. Battery pack, 14. Hydraulic pump, 15. Catheter, 16. Air bag, 17. Bracket.

detailed description

Referring to Figures 1 and 2, this embodiment is an embodiment scheme for observing the Lagrangian residual current at the bottom layer, including a data transmission system and a data monitoring and processing system, and is characterized in that it also includes a mobile monitoring terminal with the flow,

The mobile monitoring terminal with the flow includes a crosssail 1, the middle part of the crosssail 1 is a cylindrical watertight control cabin 3, the top of the watertight control cabin 3 is a watertight antenna box 2, and the crosssail 1 is a nylon crosssail to increase With the water, you can also increase or decrease the counterweight on the sail body to ensure that the density of the mobile terminal is near-neutral;

The inside of the watertight antenna box 2 has a GPRS mobile communication antenna 4, a GPS/Beidou positioning antenna 5 and a maritime satellite communication antenna 6. There is a cable channel in the center of the bottom of the watertight antenna box 2, through which the watertight connector and the communication cable of the control cabin 3 7 connected; the main function of the watertight antenna box is to receive and send various data;

The watertight control cabin 3 has a data cable 7, a microcontroller 12, a GPS/Beidou positioning module 9, a GPRS mobile communication module 11, a maritime satellite communication module 8, a timer 10, a hydraulic pump 14 and a large-capacity lead-acid accumulator 13,

At the same time, the outside of the watertight control chamber 3 is provided with an airbag 16 and a support 17 for protecting the airbag 16. The airbag 16 is connected to the hydraulic pump 14 through a conduit 15. The overall buoyancy is used to realize the lifting of the terminal in the water. The rise and fall of the terminal is controlled regularly by the timer 10. Whenever the terminal rises to the sea surface, it can be positioned by the GPS/Beidou module 9, and the position information is transmitted to the data monitoring and processing system through GPRS or maritime satellite. The watertight control cabin 3 is connected with the antenna box 2 through a data cable 7 .

Nylon sail 1 uses a wooden skeleton to cross three 80cm square nylon surfaces to form a centrally symmetrical cross sail 1. The material used has good mobility with water, and the buoyancy can be adjusted by counterweight; The four sail blades of the sail 1 are distributed in a symmetrical cross shape on the four sides of the watertight control cabin 3, and are connected with the watertight control cabin 3; the antenna box 2 is made of ABS plastic material, and has good waterproof performance. Counterweight to ensure that the communication antenna in the shell maintains an upright posture; the sheath of the data cable 7 is made of waterproof and high-strength polyurethane material, including GPS antenna feeder, GPRS antenna feeder, and satellite antenna feeder. Each pair of feeder wires uses tinned wires Weaving to prevent high-frequency electromagnetic interference between feeders; microcontroller 11 adopts ARM32-bit Cortex ^TM -M3CPU single-chip microcomputer STM32f103; battery compartment 12 adopts large-capacity 6V lead-acid battery; airbag 16 can be set on the side and bottom of watertight control compartment 3, The figure of the present embodiment is arranged at the bottom; the hydraulic pump 13 adopts a miniature stainless steel gear pump.

Claims (2)

1. circulation observation system more than a kind of coastal waters bottom Lagrange, including data transmission system and data monitoring processing system, Characterized by further comprising with stream mobile monitoring terminal,

Described includes cross sail (1) with stream mobile monitoring terminal, is columned watertight control storehouse in the middle part of the cross sail (1) (3) it is, have GPRS mobile communication antennas inside watertight antenna box (2), described watertight antenna box (2) at the top of watertight control storehouse (3) (4), GPS/ Big Dippeves positioning antenna (5) and marine satellite communication antenna (6), watertight antenna box (2) bottom center leave cable and lead to Road, is connected with the communication cable (7) of control storehouse (3) by watertight connector；

There are data cable (7), microcontroller (12), GPS/ big dipper modules (9), GPRS movements in described watertight control storehouse (3) Communication module (11), marine satellite communication module (8), timer (10), hydraulic pump (14) and high-capacity lead-acid storage battery (13),

The support (17) of air bag (16) and protection air bag (16) is provided with outside watertight control storehouse (3) simultaneously, and described air bag (16) lead to Cross conduit (15) to be connected with hydraulic pump (14).

2. circulation observation system more than a kind of coastal waters bottom Lagrange as claimed in claim 1, device are characterised by described ten Word sail (1) is nylon cross sail increasing with aqueous.