CN107860371B - Free telescopic ocean profile observation device and method based on large buoy - Google Patents
Free telescopic ocean profile observation device and method based on large buoy Download PDFInfo
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- CN107860371B CN107860371B CN201710970955.3A CN201710970955A CN107860371B CN 107860371 B CN107860371 B CN 107860371B CN 201710970955 A CN201710970955 A CN 201710970955A CN 107860371 B CN107860371 B CN 107860371B
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
- G01C13/002—Measuring the movement of open water
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- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
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- B63B22/24—Buoys container type, i.e. having provision for the storage of material
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Abstract
The invention relates to a free telescopic ocean profile observation device and method based on a large buoy, comprising a free telescopic device, an underwater observation module, a data acquisition control module, a power supply module, a communication module and a data receiving and processing module; the free telescopic device is used for providing power for underwater profile observation and accurately positioning each depth horizon; the underwater observation module is used for realizing the acquisition of water profile data by integrating and carrying various observation sensors; the data acquisition control module is used for intelligently controlling the action of the free telescopic device and the data acquisition of the underwater observation module according to sea conditions and forwarding the data to the communication module; the communication module is communicated with the data receiving and processing module of the land base station. The invention realizes the long-term, continuous, fixed-point and real-time observation of the environmental parameters of the ocean water body section in a certain range under the unattended condition by freely and accurately controlling the depth of layer of the underwater observation module, and breaks through the current situation that the existing real-time observation parameters are only limited to the surface layer of the ocean.
Description
Technical Field
The invention relates to the field of ocean observation, in particular to a free telescopic ocean multi-parameter profile observation device and method based on a large buoy.
Background
Marine science is an observation-based science. At present, with the change of observation technology, the marine data acquisition mode which is relied on by the development of marine science is changing from 'investigation' to 'observation', and the new observation technologies of marine meteorology, sea surface layer, water body profile and seabed which are continuously appeared can finally realize the omnibearing and all-weather three-dimensional monitoring of marine environment, so that the incompletely-detected oceans become a 'transparent' world. However, most marine environment observation in China still depends on periodic collection of essential data of a marine surface layer or a limited water layer by ship navigation observation and station fixed-point observation technologies to support so far, and long-term continuous profile observation of marine subsurface layers and deep water bodies is lacked, which is mainly caused by the lack of effective technical means for implementing continuous profile observation. With the improvement of the cognitive demand of people on ocean science, the observation data of the ocean surface layer or the limited water layer is obtained only by means of ship navigation type periodicity, so that the physical, biological and chemical environments and other multi-aspect conditions of wide sea areas in China are difficult to be deeply understood, the requirement of the development of modern ocean science on all-dimensional monitoring cannot be met, and the requirement of the development of ocean economy in China cannot be met.
Although China makes great progress in offshore observation and underwater observation system technology, most of China relies on ocean wave energy to provide power or glider technology, and the stability is poor; in addition, the method is based on an underwater winch, so that the observation data is difficult to transmit back to a shore station in real time; and as the situation of random offshore fishing in China is still common, the protection consciousness of fishermen on marine observation equipment is weak, so that various types of marine equipment are often impacted by a fishing boat or dragged by a fishing net, and the continuous and effective acquisition of observation data is seriously influenced.
The invention is based on the large disc-shaped ocean data buoy with the diameter of 10 meters, overcomes the defects of complex ocean environment load and insufficient energy supply, and effectively reduces the risk of being damaged by a fishing boat by taking the large buoy as a remarkable marker, thereby solving the scientific research requirement of long-term, continuous, fixed-point and real-time profile observation on multiple ocean parameters of offshore water bodies in China, and having the advantages of simple structure, safety, stability, strong popularization and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the large buoy is used as a carrier to provide sufficient power supply and provide a stable operation platform, various direct-reading observation devices for hydrology, water quality parameters and the like are integrated, and the depth of layer of an underwater observation module is freely and accurately controlled to realize long-term, continuous, fixed-point and real-time observation of environmental parameters of a marine water body section within a certain water depth range under the unattended condition, so that the current situation that the existing real-time observation parameters are limited to the surface position is broken. And the observation data is sent to the land base station through the communication module, so that the observation data of the water body can be checked and processed in real time in an office.
The technical scheme adopted by the invention for realizing the purpose is as follows: a free telescopic ocean profile observation device based on a large buoy comprises: the underwater observation device comprises a free telescopic device, an underwater observation module, a data acquisition control module, a power supply module, a communication module and a data receiving and processing module;
the free telescopic device is arranged in the buoy equipment well and used for providing power and telescopic lifting functions for underwater profile observation and realizing acquisition of profile data;
the underwater observation module is arranged at the lower end of the free telescopic device, carries a plurality of ocean observation sensors and is used for observing various underwater section parameters and transmitting the section parameters to the data acquisition control module;
the data acquisition control module is used for controlling the action of the free telescopic device and the data acquisition of the underwater observation module according to the sea condition and forwarding the section data acquired by the underwater observation module to the communication module;
the communication module is used for communicating with the data receiving and processing module of the land base station through a DTU (data transfer Unit) or a Beidou satellite;
the power supply module comprises a storage battery and a solar panel connected with the storage battery; the winch is used for supplying power to the underwater observation module, the data acquisition control module, the communication module and the free telescopic device through the storage battery.
The free telescopic device comprises an overwater support frame, an underwater telescopic module, a winch and a transmission cable, wherein the overwater support frame and the winch are respectively installed on the buoy body, the underwater telescopic module comprises a plurality of telescopic rods, the telescopic rods are sequentially and relatively telescopically inserted from inside to outside, the upper end of the telescopic rod of the outermost section is installed on the overwater support frame, the lower end of the telescopic rod of the innermost section is connected with the underwater observation module, one end of the transmission cable is connected to the winch, and the other end of the transmission cable penetrates through the inside of each section of telescopic rod to be connected with the underwater observation module; the lower extreme of the telescopic link of outmost one section is equipped with outer locking device, the upper end of the telescopic link of innermost one section is equipped with inner locking device, the upper end of the telescopic link of each section in the middle all is equipped with inner locking device, the lower extreme all is equipped with outer locking device, the inner locking device who lies in the telescopic link upper end of inlayer in two adjacent telescopic links when the extension with lie in outer locking device butt of outer telescopic link lower extreme, the outer locking device who lies in the telescopic link lower extreme of inlayer in two adjacent telescopic links when retrieving with lie in the outer locking device butt of outer telescopic link lower extreme.
The inner lock device is positioned on the outer side of the upper end of the telescopic rod and is provided with a plurality of inner lock bars which are uniformly distributed along the circumferential direction of the telescopic rod; the inner locking strips are parallel and parallel to the axial center line of the telescopic rod, and the length of each inner locking strip is equal.
The inner locking device is an inner locking ring arranged on the outer side of the upper end of the telescopic rod.
The outer lock device is positioned on the inner side of the lower end of the telescopic rod and is provided with a plurality of outer lock bars which are uniformly distributed along the circumferential direction of the inner wall of the telescopic rod; the outer locking strips are parallel and parallel to the axial center line of the telescopic rod, and the length of each outer locking strip is equal.
The outer locking device is an outer locking ring arranged at the lower end of the telescopic rod, the axial section of the outer locking ring is in a hollow inverted T shape, the vertical edge of the T shape is positioned in the lower end of the telescopic rod, and the transverse edge of the T shape is positioned below the end part of the lower end of the telescopic rod.
The lower end of the telescopic rod of the innermost layer section is connected with the underwater observation module through an end part connecting piece, and the other end of the transmission cable is connected to the end part connecting piece; the upper end of the telescopic rod of the outermost section penetrates through the buoy body and is installed on the water supporting frame, and fillers for preventing the underwater telescopic module from shaking in the telescopic process are arranged between the outer wall of the telescopic rod of the outermost section and the buoy body.
A free telescopic ocean profile observation method based on a large buoy comprises the following steps:
1) the data acquisition control module obtains the current sea condition by reading the marine environment parameters acquired by the buoy body in real time and the self attitude parameters of the buoy body;
2) when the current sea state does not exceed the three-level sea state, the data acquisition control module judges that the current state is a normal working state, controls the free telescopic device to transfer the underwater telescopic module, and controls the transfer speed of the underwater observation module according to the real-time sea state: when the current sea state is a first-level sea state, controlling the underwater observation module to be lowered and recovered at a speed V1; when the current sea state is a second-level sea state, controlling the underwater observation module to be lowered and recovered at a speed V2; when the current sea state is a three-level sea state, controlling the underwater observation module to be lowered and recovered at a speed V3; wherein V1< V2< V3;
the underwater observation module continuously acquires profile data of different water depths; the data acquisition control module transmits the underwater profile data observed by the underwater observation module back to the land base station through the communication module; a data receiving and processing module of the land base station receives, stores and displays the underwater profile data;
3) when the current sea condition exceeds the three-level sea condition, the data acquisition control module judges that the current sea condition is a dangerous state, and controls the free telescopic device to recover the underwater telescopic module so that the free telescopic device is retracted into the buoy equipment well.
The data acquisition control module controls the free telescopic device to transfer the underwater telescopic module and comprises the following steps:
the data acquisition control module controls the winch to start, loosens the transmission cable, and descends along with the rotation of the winch under the combined action of the self gravity of the underwater telescopic module and the self gravity of the underwater observation module;
when one section of telescopic rod descends to a set degree, the internal locking device automatically jacks the top end of the external locking device of the next section of telescopic rod, so that the telescopic rod on the inner layer does not descend any more.
The underwater telescopic module for recovering the free telescopic device comprises the following steps:
the data acquisition control module controls the winch to start and recover the transmission cable, so that the underwater observation module and the underwater telescopic module are driven to ascend along with the recovery of the winch;
when the external locking device rises along with the telescopic rod of the section to the external locking device which is propped against the bottom of the previous telescopic rod, the previous telescopic rod is enabled to rise together, and the recovery is realized.
The invention has the following beneficial effects and advantages:
1. the free telescopic device can freely and accurately control the underwater observation module to acquire each water depth layer, and realizes effective observation of each layer of the water body on the section.
2. The invention can break through the current situation that the observation power source of the common profile is unstable, overcome the influence of complex marine environment factors, and observe the profile water body in a mechanical power mode.
3. The intelligent control method and the intelligent control system can realize intelligent judgment to control whether the profile observation device works and control the working speed of the profile observation device according to the real-time environment parameters acquired by the main buoy end, thereby realizing the intelligent judgment function that the observation device adopts different observation schemes under different weather conditions.
4. Due to the advantage of the design of the free telescopic structure, the phenomenon that the observation equipment is blocked due to the attachment of marine organisms in the common marine observation operation is effectively avoided through the ceaseless telescopic motion.
5. The invention has the advantages of strong expansibility, low technical threshold of maintainers and strong technical popularization in offshore China.
Drawings
FIG. 1 is a schematic view of the freely extending and contracting device in an extended state;
FIG. 2 is a schematic view showing the structure of the present freely retractable device in a retracted state;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is a general schematic view of the overall structure of the present invention in an extended state;
FIG. 6 is a general schematic view of the overall structure of the present invention in a recovery state;
FIG. 7 is a schematic flow chart of the overall apparatus of the present invention;
FIG. 8 is a diagram of the working route of the whole set of apparatus;
wherein, 1 is the support frame on water, 2 is flexible module under water, 201 is the watertight fastening bolt, 202 is end connection spare, 203 is fastening bolt, 204 is the telescopic link, 205 is interior locking device, 206 is outer locking device, 3 is the winch, 4 is the transmission cable, 5 is the observation module under water, 6 is the buoy body, 11 is free telescoping device, 13 is data acquisition control module, 14 is power module, 15 is communication module, 16 is data reception processing module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 5 to 8, the free telescopic profile observation device based on the large buoy comprises a free telescopic device 11, an underwater observation module 5, a data acquisition control module 13, a power supply module 14, a communication module 15 and a data receiving and processing module 16, wherein the free telescopic device 11 is composed of an above-water support frame 1, an underwater telescopic module 2, a winch 3 and a transmission cable 4. The data acquisition control module 13 is arranged inside the buoy body.
The invention provides a free telescopic ocean multi-parameter section observation mode for the first time, wherein a free telescopic device 11 is responsible for providing lifting action and power source for underwater section observation, and ensuring that an underwater observation module 5 stably ascends and descends according to a preset program, thereby realizing the acquisition of section data;
the underwater observation module 5 integrates various element sensors and attitude parameter observation sensors, is arranged at the lowest end of the underwater telescopic module 2, and is driven by the lifting motion of the free telescopic device 11 to acquire multi-parameter data of different underwater water layer positions;
the power supply module 14 supplies electric energy for the whole set of system by the storage battery, and simultaneously supplies power for the storage battery by utilizing solar energy, so that long-term stable supply of electric energy is ensured;
the data acquisition control module 13 is responsible for data acquisition, processing, storage and transmission functions, and is responsible for intelligently judging and controlling the operation process of the whole device, so that a central control function with modularization, low power consumption, high performance and high reliability is realized.
The intelligent control function of the profile observation device is provided for the first time, the data acquisition control module 13 carries out intelligent analysis and judgment according to the marine environment parameters such as wind, wave, current and the like acquired by the main buoy body in real time, and different threshold values are set according to different sea conditions for the wind speed, the wave height, the flow speed and the attitude parameters of the buoy body, so that the grade number of the current sea condition is obtained according to the comparison of the parameters and the threshold values. Such as: and when the wind speed, the wave height and the flow velocity respectively exceed respective three-level threshold values, and the attitude parameter of the buoy body also exceeds the threshold value, the current sea state is considered to exceed the three-level sea state.
Controlling the lowering speed of the underwater observation module according to the real-time sea condition: when the current sea state is the first-level sea state, controlling the underwater observation module 5 to be lowered and recovered at a speed V1; when the current sea state is a second-level sea state, controlling the underwater observation module 5 to be lowered and recovered at a speed V2; when the current sea state is a three-level sea state, controlling the underwater observation module 5 to be lowered and recovered at a speed V3; wherein V1< V2< V3.
If the current sea condition exceeds the three-level sea condition, the current sea condition is judged to be a dangerous state, an instruction is sent to the free telescopic device 11, the underwater telescopic module 2 is recovered, the underwater telescopic module temporarily enters a dormant state to wait for the sea condition to be improved, and the safety of the whole telescopic device is guaranteed. If the current sea state does not exceed the three-level sea state, the current sea state is judged to be a normal working state, at the moment, an instruction is sent to the free telescopic device 11, the underwater telescopic module 2 is normally lowered, and the section observation data of the water body are collected.
The communication module 15 is responsible for sending the data observed by the water body profile to the land data receiving and processing module 16;
the data receiving and processing module 16 is responsible for displaying, analyzing and storing the received profile data, and provides reliable data support for scientific research and solution of serious social and civil problems. The profile data is marine data such as hydrology and water quality of different water depths, and comprises temperature, salinity, dissolved oxygen, turbidity, chlorophyll, pH and the like.
As shown in fig. 5 to 8, the present invention provides a free telescopic cross-section observation device based on a large buoy, including: the underwater observation device comprises a free telescopic device 11, an underwater observation module 5, a data acquisition control module 13, a power supply module 14, a communication module 15 and a data receiving and processing module 16, wherein the free telescopic device 11 consists of an above-water support frame 1, an underwater telescopic module 2, a winch 3 and a transmission cable 4.
The overwater support frame 1 ensures the safety of the underwater telescopic module 2 in a marine complex environment and the stability of the underwater telescopic module built on the buoy body; the underwater telescopic module 2 pays attention to underwater free flexibility, biological adhesion resistance and reliability influenced by marine environmental loads; the winch 3 considers the power consumption and the use stability, and meanwhile, the movement of the winch 3 works according to the instruction of the data acquisition control module 13; the transmission cable 4 is used for providing tension and transmitting signals of the underwater observation module 5 and the data acquisition control module 13, and is a cable integrating the functions of stress, power supply and communication.
The free telescopic device 11 is arranged in the existing large buoy equipment well, can be extended and shortened, and therefore, various underwater observation positions can be accurately achieved within a certain range of water depth.
The underwater observation module 5 is arranged at the lowest end of the underwater telescopic module 2 and can realize self lifting along with the movement of the underwater telescopic module 2, thereby realizing the real-time observation of each water depth layer.
The underwater observation module 5 is a device carrier with strong expansibility, can carry various instrument devices required by profile observation, realizes simultaneous observation of a plurality of marine environmental parameters, integrates a pressure sensor and an attitude sensor in the underwater observation module 5, and provides data support for correction of observation data and intelligent judgment of the data acquisition control module 13.
The power supply module 14 is a mode of combined power supply of a solar panel and a storage battery, the storage battery provides energy for the whole set of devices such as the winch 3, the underwater observation module 5 and the data acquisition control module 13, and the solar panel can continuously supplement energy for the storage battery, so that the energy supply required by the long-term stable operation of the whole set of devices is ensured.
The data acquisition control module 13 can not only complete the functions of data acquisition, processing, storage and transmission, but also perform intelligent judgment and control on the operation process of the device, thereby realizing the central control function of modularization, low power consumption, high performance and high reliability.
The data acquisition control module 13 controls the whole set of device to operate according to a certain time sequence, and judges whether the current state exceeds a three-level sea state by reading and intelligently analyzing the marine environment parameters such as wind, wave and flow acquired by the main buoy body in real time, if the current sea state exceeds the three-level sea state, the data acquisition control module 13 judges that the current state is a dangerous state, sends an instruction to the free telescopic device 11, recovers the underwater telescopic module 2, and ensures the safety of the whole set of telescopic device. If the current sea state does not exceed the three-level sea state, the data acquisition control module 13 judges that the current sea state is a normal working state, sends an instruction to the free telescopic device, and normally lowers the underwater telescopic module 2, and meanwhile, the underwater observation module 5 continuously acquires various observation parameters of the section water body.
The communication module 15 transmits the underwater profile data observed by the whole set of device back to the land base station by means of DTU (CDMA or GPRS) or Beidou satellite.
The data receiving and processing module 16 receives the data transmitted back by the communication module 15, carries out real-time verification on the received data through corresponding software, carries out real-time analysis and processing on correct data, carries out visual display through corresponding analysis, and ensures that scientists can check and process ocean profile observation data in an office in real time.
As shown in fig. 1-4, the free telescopic device 11 comprises an overwater support frame 1, an underwater telescopic module 2, a winch 3 and a transmission cable 4, wherein the overwater support frame 1 and the winch 3 are respectively installed on a buoy body 6, the winch 3 is adjacent to the overwater support frame 1, the overwater support frame 1 is fixed in an equipment well of the buoy body 6, and the whole set of free telescopic device is guaranteed to be firm in structure and safe and stable in operation.
The underwater telescopic module 2 includes a watertight fastening bolt 201, an end connector 202, a fastening bolt 203, and a plurality of telescopic rods 204 (six sections in this embodiment), each telescopic rod 204 is hollow cylindrical, and can be inserted in a relatively telescopic manner from inside to outside in sequence (i.e., the diameter of each telescopic rod 204 gradually increases from inside to outside). Utilize having the equipment well on the buoy body 6, the equipment well on the buoy body 6 is passed to the upper end of the telescopic link 204 of outermost section, is installed on support frame 1 on water, is equipped with the filler between the outer wall of the telescopic link 204 of this outermost section and the wall of a well of buoy body 6, can avoid flexible module 2 to take place to rock at flexible in-process under water. The lower end of the telescopic rod 204 of the innermost layer section can be directly connected with the underwater observation module 5, and can also be connected with the underwater observation module 5 through the end part connecting piece 202; one end of the transmission cable 4 is connected to the winch 3, and the other end is connected to the underwater observation carrier 5 through the inside of each telescopic rod 204 or connected to the end connector 202. The lower end of the telescopic rod 204 of the innermost layer section is connected with the underwater observation module 5 through the end connecting piece 202, the end connecting piece 202 is connected with the underwater observation module 5 through the fastening bolt 203, the other end of the transmission cable 4 is fastened with the end connecting piece 202 through the watertight fastening bolt 201, meanwhile, the watertight fastening bolt 201 is used as a most main stress point, the winch 3 pulls the transmission cable 4 to drive the underwater telescopic module 2 to ascend and descend, and therefore the underwater observation module 5 can observe multiple parameters of the whole section water body.
The lower end of the telescopic rod 204 at the outermost section is provided with an external locking device 206, the upper end of the telescopic rod 204 at the innermost section is provided with an internal locking device 205, the upper end of each middle section of the telescopic rod 204 is provided with an internal locking device 205, the lower end of each middle section of the telescopic rod 204 is provided with an external locking device 206, the internal locking device 205 at the upper end of the telescopic rod 204 at the inner layer in the two adjacent telescopic rods 204 is abutted with the external locking device 205 at the lower end of the outer telescopic rod 204 when being extended, and the external locking device 206 at the lower end of the telescopic rod 204 at the inner layer in the two adjacent telescopic rods 204 is abutted with the external locking device 205 at.
The inner locking devices 205 are located outside the upper end of the telescopic rod 204, and may be a plurality of inner locking strips uniformly distributed along the circumferential direction of the telescopic rod 204. The inner locking bars are parallel and parallel to the axial center line of the telescopic rod 204, and the length of each inner locking bar is equal. Alternatively, the inner locking device 205 may be an inner locking ring mounted on the outer side of the upper end of the telescopic rod 204.
The outer locking devices 206 are located inside the lower end of the telescopic rod 204 and are a plurality of outer locking bars uniformly distributed along the circumferential direction of the inner wall of the telescopic rod 204. The outer locking bars are parallel and parallel to the axial center line of the telescopic rod 204, and the length of the outer locking bars is equal. Alternatively, the external locking device 206 is an external locking ring mounted at the lower end of the telescopic rod 204, the axial section of the external locking ring is a hollow inverted "T" shape, the vertical side of the "T" shape is located in the lower end of the telescopic rod 204, and the horizontal side is located below the end of the lower end of the telescopic rod 204.
When the inner locking device 205 is an inner locking bar and the outer locking device 206 is an outer locking bar, the number of the inner locking bar and the outer locking bar is the same, and the inner locking bar and the outer locking bar are in one-to-one correspondence. In this case, the underwater telescopic module 2 should make the outer surface of the inner locking device 205 abut against the inner wall of the previous telescopic rod 204, so as to ensure that the telescopic rods 204 can only extend and retract but cannot rotate relatively.
The underwater telescopic module 2 greatly reduces the risk of marine organism adhesion and ensures the safety and stability of the operation of the whole free telescopic device. The transmission cable 4 integrates the functions of bearing tension, supplying power and transmitting signals, is responsible for extending and recovering the underwater telescopic module 2, is also responsible for supplying power for the underwater observation module 5, and simultaneously transmits back the ocean multi-parameter profile data observed by the underwater observation module 5. The underwater observation module 5 is in the prior art and comprises a carrier and observation equipment which is arranged on the carrier and used for observing hydrological and water quality parameters and the like.
The working principle of the free telescopic device 11 is as follows:
when the winch 3 rotates forwards, the transmission cable 4 is tightened, the underwater telescopic module 2 is recovered, and the whole set of free telescopic device is in a recovery state; when the winch 3 rotates reversely, the transmission cable 4 is loosened, and the underwater telescopic module 2 extends under the action of the underwater observation module 5 and the self gravity, so that the observation of the water body section is realized. The method specifically comprises the following steps:
the operation of the free telescoping device 11 is divided into two stages of observation, a descent stage and an ascent stage.
A descending stage: the winch 3 starts, and the transmission cable 4 is loosened, and the underwater telescopic module 2 and the underwater observation module 5 slowly descend along with the rotation rhythm of the winch 3 under the combined action of the self gravity of the underwater telescopic module 2 and the self gravity of the underwater observation module 5 due to the fact that the transmission cable 4 is loosened. As shown in fig. 4, each section of the telescopic rod 204 is provided with an internal locking device 205 for locking the next section of the telescopic rod 204. When one section of the telescopic rod 204 descends to a set degree, the internal locking device 205 automatically pushes the top end of the external locking device 206 of the next section of the telescopic rod 204, so that the telescopic rod 204 at the inner layer does not descend any more. Meanwhile, in the process of slowly descending, the underwater observation module 5 acquires various parameter data of various profile layers according to the working frequency of the underwater observation module, and uploads the profile data to corresponding devices in the buoy body 6 through the transmission cable 4.
And (3) a rising stage: the winch 3 is started, the transmission cable 4 is tightened, and therefore the underwater observation module 5 and the underwater telescopic module 2 are driven to ascend along with tightening of the winch 3, and the recovery state is shown in fig. 2. Each section of telescopic rod 204 is provided with an external locking device 206, when the underwater telescopic module 2 is recovered, the external locking device 206 ascends along with the section of telescopic rod 204 to the external locking device 206 which is propped against the bottom of the previous section of telescopic rod 204, so that the previous section of telescopic rod 204 ascends together, and the purpose of overall recovery is achieved. Meanwhile, the underwater observation module 5 continuously acquires various parameter data of each profile layer, and the profile data is uploaded to the inside of the buoy body 6 through the transmission cable 4 and sent back to the land base station.
Claims (9)
1. The utility model provides a free telescopic ocean section observation device based on large-scale buoy which characterized in that includes: the underwater observation device comprises a free telescopic device (11), an underwater observation module (5), a data acquisition control module (13), a power supply module (14), a communication module (15) and a data receiving and processing module (16);
the free telescopic device (11) is arranged in the buoy equipment well and used for providing power and telescopic lifting functions for underwater profile observation and realizing acquisition of profile data;
the underwater observation module (5) is arranged at the lower end of the free telescopic device (11), carries a plurality of ocean observation sensors and is used for observing various underwater section parameters and transmitting the section parameters to the data acquisition control module (14);
the data acquisition control module (14) is used for controlling the action of the free telescopic device (11) and the data acquisition of the underwater observation module (5) according to sea conditions and forwarding the section data acquired by the underwater observation module (5) to the communication module (15);
the communication module (15) is used for communicating with the data receiving and processing module (16) of the land base station through a DTU (digital television Unit) or a Beidou satellite;
the power supply module (14) comprises a storage battery and a solar panel connected with the storage battery; the winch (3) is used for supplying power to the underwater observation module (5), the data acquisition control module (13), the communication module (15) and the free telescopic device (11) through the storage battery;
the free telescopic device (11) comprises an overwater support frame (1), an underwater telescopic module (2), a winch (3) and a transmission cable (4), wherein the overwater support frame (1) and the winch (3) are respectively installed on a buoy body (6), the underwater telescopic module (2) comprises a plurality of telescopic rods (204), each telescopic rod (204) is inserted from inside to outside in a relatively telescopic manner, the upper end of the telescopic rod (204) at the outermost layer is installed on the overwater support frame (1), the lower end of the telescopic rod (204) at the innermost layer is connected with the underwater observation module (5), one end of the transmission cable (4) is connected to the winch (3), and the other end of the transmission cable penetrates through the inside of each telescopic rod (204) and is connected with the underwater observation module (5); the lower extreme of outermost one section of telescopic link (204) is equipped with outer locking device (206), the upper end of innermost one section of telescopic link (204) is equipped with interior locking device (205), the upper end of each section of telescopic link (204) in the middle all is equipped with interior locking device (205), the lower extreme all is equipped with outer locking device (206), interior locking device (205) that lie in the telescopic link (204) upper end of inlayer in two adjacent telescopic links (204) when the extension with lie in outer locking device (205) butt of outer telescopic link (204) lower extreme, lie in outer locking device (206) of the telescopic link (204) lower extreme of inlayer in two adjacent telescopic links (204) when retrieving with lie in outer locking device (205) butt of outer telescopic link (204) lower extreme.
2. The free telescopic ocean profile observation device based on the large buoy according to claim 1, wherein: the inner locking devices (205) are positioned on the outer side of the upper end of the telescopic rod (204), are a plurality of inner locking strips and are uniformly distributed along the circumferential direction of the telescopic rod (204); the inner locking bars are parallel and parallel to the axial center line of the telescopic rod (204), and the lengths of the inner locking bars are equal.
3. A large buoy based free telescopic ocean profile observation device according to claim 1 or 2, characterized in that: the inner locking device (205) is an inner locking ring arranged on the outer side of the upper end of the telescopic rod (204).
4. The free telescopic ocean profile observation device based on the large buoy according to claim 1, wherein: the outer locking devices (206) are positioned on the inner side of the lower end of the telescopic rod (204), are a plurality of outer locking strips and are uniformly distributed along the circumferential direction of the inner wall of the telescopic rod (204); the outer locking bars are parallel and parallel to the axial center line of the telescopic rod (204), and the lengths of the outer locking bars are equal.
5. A large buoy based free telescopic ocean profile observation device as claimed in claim 1 or 4, wherein: the external locking device (206) is an external locking ring arranged at the lower end of the telescopic rod (204), the axial section of the external locking ring is in a hollow inverted T shape, the vertical edge of the T shape is positioned in the lower end of the telescopic rod (204), and the transverse edge is positioned below the end part of the lower end of the telescopic rod (204).
6. The free telescopic ocean profile observation device based on the large buoy according to claim 1, wherein: the lower end of the telescopic rod (204) of the innermost layer is connected with the underwater observation module (5) through an end part connecting piece (202), and the other end of the transmission cable (4) is connected to the end part connecting piece (202); the upper end of the outermost section of telescopic rod (204) penetrates through the buoy body (6) and is installed on the water supporting frame (1), and fillers for preventing the underwater telescopic module (2) from shaking in the telescopic process are arranged between the outer wall of the outermost section of telescopic rod (204) and the buoy body (6).
7. An observation method of a free telescopic ocean profile observation device based on a large buoy is characterized by comprising the following steps of:
1) the data acquisition control module (14) obtains the current sea condition by reading the marine environment parameters acquired by the buoy body (6) in real time and the self attitude parameters of the buoy body (6);
2) when the current sea state does not exceed the three-level sea state, the data acquisition control module (14) judges that the current is the normal working state, controls the free telescopic device (11) to transfer the underwater telescopic module (2), and controls the transfer speed of the underwater observation module (5) according to the real-time sea state: when the current sea state is the first-level sea state, controlling the underwater observation module (5) to be lowered and recovered at a speed V1; when the current sea state is a second-level sea state, controlling the underwater observation module (5) to be released and recovered at a speed V2; when the current sea state is a three-level sea state, controlling the underwater observation module (5) to be lowered and recovered at a speed V3; wherein V1< V2< V3;
the underwater observation module (5) continuously collects profile data of different water depths; the data acquisition control module (14) transmits the underwater profile data observed by the underwater observation module (5) back to the land base station through the communication module; a data receiving and processing module (16) of the land base station receives, stores and displays the underwater profile data;
3) when the current sea condition exceeds the three-level sea condition, the data acquisition control module (14) judges that the current sea condition is a dangerous state, controls the free telescopic device (11) to recover the underwater telescopic module (2), and enables the free telescopic device (11) to retract into the buoy equipment well.
8. Observation method of a free telescopic ocean profile observation device based on a large buoy according to claim 7, characterized in that the data acquisition control module (14) controls the free telescopic device (11) to lower the underwater telescopic module (2) comprises the following steps:
the data acquisition control module controls the winch (3) to start, the transmission cable (4) is loosened, and the underwater telescopic module (2) and the underwater observation module (5) descend along with the rotation of the winch (3) under the combined action of the self gravity of the underwater telescopic module (2) and the self gravity of the underwater observation module (5);
when one section of the telescopic rod (204) descends to a set degree, the internal locking device (205) automatically jacks the top end of the external locking device of the next section of the telescopic rod, so that the telescopic rod at the inner layer does not descend any more.
9. Observation method of a free telescopic ocean profile observation device based on a large buoy according to claim 7, characterized in that the free telescopic device (11) recovering underwater telescopic module (2) comprises the following steps:
the data acquisition control module controls the winch (3) to start and recovers the transmission cable (4), so that the underwater observation module (5) and the underwater telescopic module (2) are driven to ascend along with the recovery of the winch (3);
when the external locking device (206) rises along with the telescopic rod (204) to the external locking device which is propped against the bottom of the previous telescopic rod, the previous telescopic rod rises together to realize recovery.
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| CN108583788A (en) * | 2018-04-27 | 2018-09-28 | 中国科学院海洋研究所 | Three anchor formula buoys and method for Marine Sciences experiment and real-time profiling observation |
| CN109000725A (en) * | 2018-07-19 | 2018-12-14 | 交通运输部天津水运工程科学研究所 | A kind of turbid distant reporting method of section test data automatic collection of coastal seawater thermohaline |
| CN109323688B (en) * | 2018-10-16 | 2021-03-02 | 天津科技大学 | Unattended real-time profile observation tower and use method thereof |
| CN111377039A (en) * | 2018-12-27 | 2020-07-07 | 中集海洋工程有限公司 | Free standing type underwater base station support system |
| CN110595444A (en) * | 2019-09-17 | 2019-12-20 | 浙江海洋大学 | Wireless sensor network monitoring device for marine ranching |
| CN111613039A (en) * | 2020-04-15 | 2020-09-01 | 山东省科学院海洋仪器仪表研究所 | Intelligent control system and method for lifting of ocean buoy winch |
| CN111661260B (en) * | 2020-05-23 | 2021-04-13 | 中船重工(青岛)海洋装备研究院有限责任公司 | Articulate ocean observation platform of installing on hull lateral wall |
| CN112344991A (en) * | 2020-10-29 | 2021-02-09 | 山东省科学院海洋仪器仪表研究所 | General type deep and open sea cage culture environment parameter acquisition terminal |
| CN112730772A (en) * | 2020-11-27 | 2021-04-30 | 杭州石炭纪环保科技有限公司 | Formula of sailing multiparameter water quality testing system |
| CN113483740B (en) * | 2021-06-22 | 2022-03-01 | 北京锋泛科技有限公司 | Buoy, data observation method, data observation device, electronic equipment and storage medium |
| CN113740371B (en) * | 2021-09-15 | 2022-11-18 | 中国科学院空天信息创新研究院 | Method, device and computer readable storage medium for determining water body thermal pollution |
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| CN202443870U (en) * | 2012-02-27 | 2012-09-19 | 刘义 | Rotational lock telescopic ground insulation operating rod |
| CN106005265B (en) * | 2016-05-26 | 2018-03-16 | 上海海洋大学 | A kind of top layer following sea stream confession electric multi parameter collects buoy |
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