CN113124838A - Underwater mechanics and attitude monitoring system applied to submerged buoy - Google Patents

Abstract

The invention relates to an underwater mechanics and gesture monitoring system applied to a submerged buoy, which comprises a floating ball group, a submerged weight block and a submerged buoy main body arranged between the floating ball group and the submerged weight block, wherein the submerged buoy main body comprises a plurality of instrument packages which are sequentially connected, the instrument packages are arranged between every two adjacent instrument packages, the instrument packages and the floating ball group and the instrument packages and the submerged weight block are connected through mooring cables, gesture sensors are arranged on the instrument packages, and tension sensors are arranged at the joints of the instrument packages and the mooring cables. Compared with the prior art, the submerged buoy structure has the advantages of being convenient to improve the design of the submerged buoy structure and the like.

Description

Underwater mechanics and attitude monitoring system applied to submerged buoy

Technical Field

The invention relates to the technical field of oceans, in particular to an underwater mechanics and attitude monitoring system applied to a submerged buoy.

Background

The submerged buoy is a device which is used for realizing long-term fixed-point multi-parameter profile observation of the marine underwater environment by connecting various instruments and equipment in series through mooring cables and anchoring at a specified station. Under the action of tides, waves and currents, the submerged mooring lines may be subjected to large loads, and the equipment laid on the mooring lines may also undergo large swings and deflections which may cause the mooring lines to fail and may affect the proper operation of the equipment.

In order to ensure the reliability of the submerged buoy and the marine instrument carried by the submerged buoy in underwater work, in the prior art, a posture sensor is usually configured in the submerged buoy so as to acquire the underwater posture of the submerged buoy, but as the structure of the submerged buoy is complicated, the carried sensors or instruments are more and more abundant, the submerged depth of the submerged buoy is deeper and deeper, and sufficient data are difficult to provide only by relying on the posture sensor so as to improve the reliability of the submerged buoy.

Disclosure of Invention

The invention aims to provide an underwater mechanics and posture monitoring system applied to a submerged buoy, wherein tension sensors are arranged at two ends of an instrument package, the tension state of the instrument package and each section of mooring cables under water is monitored, the posture sensors are combined on each level instrument package, the postures of the submerged buoy mooring cables, each level instrument package, underwater sensors carried by the submerged buoy mooring cables, each level instrument package and the underwater sensors carried by the submerged buoy mooring cables and the like under water are monitored, the changes of key parameters of the submerged buoy instrument package, the mooring cables and other core components under water, such as the inclination angle, the torsion, the tension and the like, can be monitored under a complex marine environment, so that the design of the submerged buoy is continuously improved, and the underwater reliability of the submerged buoy and the marine environment sensors carried by the submerged buoy are improved.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a be applied to underwater mechanics and gesture monitoring system of stealthy buoy, includes the floater group, sinks the end pouring weight to and locate the floater group and sink the stealthy buoy main part between the end pouring weight, stealthy buoy main part is including a plurality of instrument packages that connect gradually, between each adjacent instrument package to and between instrument package and the floater group, all connect through the mooring cable between instrument package and the heavy end pouring weight, be equipped with attitude sensor on the instrument package, the junction of instrument package and mooring cable is equipped with tension sensor.

The instrument packages are provided with two instrument packages, and the first instrument package and the second instrument package are arranged from top to bottom respectively.

And a thermohaline depth sensor and a single-point current meter are arranged in the instrument package.

The number of the temperature and salt depth sensors and the number of the single-point current meters in one instrument package are respectively 1.

The floating ball group comprises two floating balls connected in series.

The two floating balls are connected through a mooring cable.

The length of the mooring cable between adjacent instrument packages is 5 meters.

The length of the mooring cable between the instrument bag and the bottom-sinking weight is 5 meters.

The bottom weight blocks are cement blocks.

The weight of the bottom weight is 1 ton.

Compared with the prior art, the invention has the following beneficial effects: tension sensors are arranged at two ends of an instrument package, the underwater tension state of the instrument package and each section of mooring cables is monitored, attitude sensors are mounted on each level instrument package, the underwater inclination angles, the twisting postures and the like of the submerged buoy mooring cables, each level instrument package, underwater sensors carried by the submerged buoy mooring cables and the like are monitored, the underwater inclination angles, the twisting postures, the pulling postures and the like of core components such as the submerged buoy instrument package, the mooring cables and the like can be monitored in a complex marine environment, the variation of key parameters such as the underwater inclination angles, the twisting postures, the pulling postures and the like can be monitored, the design of the submerged buoy is continuously optimized and improved, and the underwater reliability of the submerged buoy and the marine environment sensors.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a float ball set;

FIG. 3 is a schematic view of a first instrument package;

FIG. 4 is a schematic view of a bottom weight;

wherein: 1. the device comprises a first mooring cable, 2, a floating ball fixing lug, 3, a floating ball group, 4, a second mooring cable, 5, a sensor fixing lug, 6, a first tension sensor, 7, a first instrument package, 8, a first attitude sensor, 9, a second tension sensor, 10, a third mooring cable, 11, a third tension sensor, 12, a second instrument package, 13, a second attitude sensor, 14, a fourth tension sensor, 15, a fourth mooring cable, 16, a weight fixing ring, 17 and a bottom-sinking weight.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The utility model provides a be applied to underwater mechanics and gesture monitoring system of stealthy buoy, as shown in figure 1, includingfloating ball group 3,heavy piece 17 of sinking to and locatefloating ball group 3 and the stealthy buoy main part betweenheavy piece 17 of sinking, stealthy buoy main part is including a plurality of instrument packages that connect gradually, between each adjacent instrument package to and between instrument package and thefloating ball group 3, all connect through mooring cable between instrument package and theheavy piece 17 of sinking, be equipped with attitude sensor on the instrument package, the instrument package is equipped with tension sensor with mooring cable's junction.

Tension sensors are arranged at two ends of an instrument package, the underwater tension state of the instrument package and each section of mooring cables is monitored, attitude sensors are mounted on each level instrument package, the underwater inclination angles, the twisting postures and the like of the submerged buoy mooring cables, each level instrument package, underwater sensors carried by the submerged buoy mooring cables and the like are monitored, the underwater inclination angles, the twisting postures, the pulling postures and the like of core components such as the submerged buoy instrument package, the mooring cables and the like can be monitored in a complex marine environment, the variation of key parameters such as the underwater inclination angles, the twisting postures, the pulling postures and the like can be monitored, the design of the submerged buoy is continuously optimized and improved, and the underwater reliability of the submerged buoy and the marine environment sensors.

The two instrument packages are respectively afirst instrument package 7 and a second instrument package 12 from top to bottom, asecond mooring cable 4 is arranged between thefirst instrument package 7 and thefloating ball group 3, athird mooring cable 10 is arranged between thefirst instrument package 7 and the second instrument package 12, afourth mooring cable 15 is arranged between the second instrument package 12 and thebottom weight 17, afirst tension sensor 6 and asecond tension sensor 9 are respectively arranged at the upper end and the lower end of thefirst instrument package 7, and a third tension sensor 11 and a fourth tension sensor 14 are respectively arranged at the two ends of the second instrument package 12.

Be equipped with thermohaline depth sensor and single-point current meter in the instrument package, thermohaline depth sensor and single-point current meter are equallyd divide for 1 in an instrument package.

Thefloat group 3 comprises two floats in series, which are connected by afirst mooring cable 1.

The length of the mooring cable between adjacent instrument packages is 5 meters, and the length of the mooring cable between the instrument package and the bottom-sinkingweight 17 is 5 meters.

Thebottom weight 17 is a cement block, and in this embodiment, the weight of thebottom weight 17 is 1 ton.

The application process of the application is as follows:

(1) all parts, installation tools and the like are prepared at the wharf, and the conditions of all parts, such as each floating ball, each mooring cable, each instrument package, each sensor, a heavy weight at the bottom of a ship and the like, are checked to ensure that the appearance of the ship is not damaged.

(2) The method is used for respectively testing instrument equipment including tension sensors, attitude sensors, temperature and salt depth sensors, single-point current meters and the like, so that the performance of each instrument before launching is normal, and the power supply, communication, acquisition and data storage are normal.

(3) The two ends of each floating ball are provided with floating ball connecting rings, and thefirst mooring cable 1 is connected with the floating ball connecting rings of the floating balls in series for connecting the floating balls.

(4) 1 thermohaline depth sensor, 1 single-point current meter, a first attitude sensor 8, etc. are installed at appropriate positions of thefirst instrument package 7. Thefirst tension sensor 6 and thesecond tension sensor 9 are respectively arranged at two ends of thefirst instrument package 7.

(5) 1 thermohaline depth sensor, 1 single-point current meter, a second attitude sensor 13 and the like are installed at appropriate positions of a second instrument package 12, and a third tension sensor 11 and a fourth tension sensor 14 are respectively installed at two ends of the second instrument package 12.

(6) Thesecond mooring cable 4 is connected with a floating ball connecting ring at one end of thefloating ball group 3 and asensor fixing lug 5 of the first tension sensor, and thethird mooring cable 10 is connected with a sensor fixing lug at one end of thesecond tension sensor 9 and a sensor fixing lug at one end of the third tension sensor.

(7) A sensor fixing lug at one end of the fourth tension sensor 14 and aweight fixing ring 16 at one end of a bottom-sinkingweight 17 are connected by afourth mooring cable 15.

(8) And the whole device is assembled.

(9) The whole set of system is tested at the wharf, and all the devices including a tension sensor, an attitude sensor, a thermohaline depth sensor, a single-point current meter and the like are ensured to be normal in power supply, communication, data acquisition, storage and the like.

(10) The device is hoisted to a construction ship, and the construction ship arranges the device into water.

(11) And (5) finishing the operation and evacuating the ship.

Claims (10)

1. The utility model provides a be applied to underwater mechanics and gesture monitoring system of stealthy buoy, includes floater group (3), heavy piece of sinking (17) to and locate floater group (3) and the stealthy buoy main part between heavy piece of sinking (17), its characterized in that, stealthy buoy main part is including a plurality of instrument packages that connect gradually, between each adjacent instrument package to and between instrument package and floater group (3), all be connected through the mooring cable between instrument package and heavy piece of sinking (17), be equipped with attitude sensor on the instrument package, the instrument package is equipped with force transducer with the junction of mooring cable.

2. A system for monitoring underwater mechanics and attitude applied to a submerged buoy according to claim 1, characterized in that there are two said instrument packages, respectively a first instrument package (7) and a second instrument package (12) from top to bottom.

3. The underwater mechanics and attitude monitoring system for a submersible buoy of claim 1, wherein a thermohaline depth sensor and a single point current meter are provided in the instrument package.

4. A system as claimed in claim 3, wherein the salt and temperature depth sensor and the single point current meter are each 1 in an instrument package.

5. A system for monitoring underwater mechanics and attitude applied to a submerged buoy according to claim 1, characterized in that said float group (3) comprises two floats connected in series.

6. The system of claim 1, wherein the two floating balls are connected by a mooring line.

7. A system as claimed in claim 1, wherein the mooring lines between adjacent packages are 5 metres in length.

8. A system for underwater mechanics and attitude monitoring for a submersible buoy as claimed in claim 1, characterised in that the mooring cable between the instrument package and the submerged weight (17) is 5 metres in length.

9. A system for monitoring underwater mechanics and attitude applied to a submersible buoy as claimed in claim 1, characterised in that the bottom weight (17) is a block of cement.

10. A system for monitoring mechanics of the water and attitude applied to a submersible buoy according to claim 9, characterized in that the weight of the bottom weight (17) is 1 ton.

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