CN110954712A - Deep sea structure dynamic response sensor - Google Patents
Deep sea structure dynamic response sensor Download PDFInfo
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- CN110954712A CN110954712A CN201911226610.2A CN201911226610A CN110954712A CN 110954712 A CN110954712 A CN 110954712A CN 201911226610 A CN201911226610 A CN 201911226610A CN 110954712 A CN110954712 A CN 110954712A
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- module
- acoustic
- microprocessor
- power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to a dynamic response sensor of a deep sea structure, which is characterized by comprising a shell, a data acquisition transmitting terminal and an acoustic receiving module, wherein the data acquisition transmitting terminal comprises an acceleration sensor, a microprocessor, a data storage module, a clock management module, a power management module, an acoustic transmitting module and a power module; the shell is internally provided with an acceleration sensor, a microprocessor, a data storage module, a clock management module, a power management module, an acoustic sending module, a power module and an acoustic receiving module; the microprocessor is used for controlling the acceleration sensor to be turned on or off according to preset measurement parameters; the acoustic sending module is used for converting the acceleration data of the measuring point into an acoustic signal and wirelessly sending the acoustic signal to the acoustic receiving module; the acoustic receiving module is used for receiving acoustic signals and sending the acoustic signals to the external terminal processor through electric signals or optical fiber signals.
Description
Technical Field
The invention relates to a dynamic response sensor for a deep sea structure, and belongs to the field of information transmission of ocean engineering.
Background
The underwater structures such as the vertical pipe, the mooring and the like of the offshore oil drilling platform are high in reliability and good in economy, but vortex-induced vibration can possibly occur to the underwater structures under the action of environmental loads such as wind, wave and flow, so that the underwater structures generate periodic vibration in the direction perpendicular to the water flow and the direction along the water flow, and the underwater structures are damaged under the action of periodic fatigue stress.
The conventional self-contained sensor needs to periodically salvage and take out the memory card in the sensor, and then read the data in the memory card through a computer. However, the conventional self-contained sensor cannot acquire acceleration data of the underwater structure in real time, so that dynamic response of the underwater structure cannot be confirmed in real time, the acceleration data of the underwater structure in a past period of time can be read only by reading the memory card, a time delay effect is achieved, abnormal behaviors of the underwater structure cannot be found in real time, and certain manpower and material resources are required for fishing the sensor every time.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a deep sea structure dynamic response sensor capable of confirming the dynamic response of an underwater structure in real time.
In order to achieve the purpose, the invention adopts the following technical scheme: a dynamic response sensor of a deep sea structure is characterized by comprising a shell, a data acquisition sending end and an acoustic receiving module, wherein the data acquisition sending end comprises an acceleration sensor, a microprocessor, a data storage module, a clock management module, a power management module, an acoustic sending module and a power module; the acceleration sensor, the microprocessor, the data storage module, the clock management module, the power management module, the acoustic sending module, the power module and the acoustic receiving module are arranged in the shell; the acceleration sensor is used for acquiring acceleration data at a measuring point of the underwater structure in real time; the microprocessor is used for controlling the acceleration sensor to be turned on or off according to preset measurement parameters; the storage data module is used for storing the acceleration data of the measuring point in real time; the clock management module is used for providing current time for the microprocessor and generating a signal for waking up the microprocessor when the microprocessor is in a sleep state; the acoustic sending module is used for converting acceleration data into acoustic signals and wirelessly sending the acoustic signals to the acoustic receiving module; the power supply management module is used for supplying power to all power utilization components of the data acquisition sending end through the power supply module according to different voltage amplitudes; the acoustic receiving module is used for receiving acoustic signals and sending the acoustic signals to the external terminal processor through electric signals or optical fiber signals, and the acoustic receiving module is further connected with an external power supply and supplies power to the acoustic receiving module through the external power supply.
Preferably, the casing is formed by fixedly connecting the top of a first casing with a second casing, the casing is fixedly arranged at a measuring point of an underwater structure, a circuit board and the power supply module are arranged in the first casing, the acceleration sensor, the microprocessor, the data storage module, the clock management module, the power supply management module and the acoustic sending module are arranged on the circuit board, and the acoustic receiving module is arranged in the second casing.
Preferably, the circuit board is arranged in the middle of the first shell, and the acceleration sensor, the microprocessor, the data storage module, the clock management module and the power management module are arranged on the circuit board; the upper part in the first shell is provided with the acoustic transmitting module, and the acoustic transmitting module is connected with the circuit board through an interface; the power module is arranged at the lower part in the first shell.
Preferably, the first housing adopts a waterproof and sealed T-shaped cylinder structure, and the second housing adopts a waterproof and sealed convex cylinder structure.
Preferably, the acoustic transmission module is disposed at a top portion within the first housing, and the acoustic reception module is disposed at a bottom portion within the second housing.
Preferably, the power module employs a battery pack or several high-energy lithium subcells connected in series.
Preferably, the data storage module adopts an SD card.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. the acceleration sensor is provided with the acoustic receiving module and the acoustic sending module, and the acceleration data of the underwater structure acquired by the acceleration sensor is transmitted to the terminal processor arranged on the platform deck in real time in an acoustic transmission mode, so that the terminal processor can determine the dynamic response of the underwater structure in real time. 2. The invention adopts a highly integrated structure, has the advantages of small volume, low power consumption and convenient installation, salvage and replacement, and the shell is made of high-strength corrosion-resistant materials, thereby effectively preventing the collision of suspended objects in the ocean and ensuring the normal work of the sensor. 3. The invention can set the measurement parameters of the sensor on the land in advance, realize remote operation control and can be widely applied to the field of information transmission of ocean engineering.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a signal transmission diagram of the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings. It is to be understood, however, that the drawings are provided solely for the purposes of promoting an understanding of the invention and that they are not to be construed as limiting the invention.
As shown in fig. 1, the deep sea structure dynamic response sensor provided by the present invention includes a casing 1, a data acquisition transmitting terminal 2 and an acoustic receiving module 3, wherein the casing 1 includes a first casing 11 and a second casing 12, the first casing 11 adopts a waterproof pressure-resistant sealed T-shaped cylinder structure, the second casing 12 adopts a waterproof pressure-resistant sealed convex cylinder structure, and the data acquisition transmitting terminal 2 includes a circuit board 21, an acceleration sensor 22, a microprocessor 23, a data storage module 24, a clock management module 25, a power management module 26, an acoustic transmitting module 27 and a power module 28.
The top of the first shell 11 is fixedly connected with the second shell 12 to form a shell 1, the shell 1 is fixedly arranged at a measuring point of a marine riser, a circuit board 21 is arranged in the middle of the first shell 11, an acceleration sensor 22, a microprocessor 23, a data storage module 24, a clock management module 25 and a power management module 26 are arranged on the circuit board 21, an acoustic sending module 27 is arranged on the upper portion of the first shell 11, the acoustic sending module 27 is connected with the circuit board 21 through an interface 4, and a power module 28 is arranged on the lower portion of the first shell 11. The acceleration sensor 22 is used to collect acceleration data of the measurement point in real time. The microprocessor 23 is configured to receive measurement parameters, such as sampling time, sampling duration, sleep time, sampling frequency, and the like, sent by the server through the data interface, and control the acceleration sensor 22 to turn on or off according to the received measurement parameters. The storage data module 24 is used for storing data such as acceleration data of the measurement point in real time. The clock management module 25 is used for providing the microprocessor 23 with the current time, and generating a specific signal when the microprocessor 23 is in a sleep state to wake up the microprocessor 23 to prevent the microprocessor from being halted. The acoustic sending module 27 is configured to convert the acceleration data of the measurement point into an acoustic signal, and send the acoustic signal to the acoustic receiving module 3 in an acoustic form wirelessly. The power management module 26 is configured to supply power to each power-consuming component of the data acquisition and transmission terminal 2 according to different voltage amplitudes through the power module 28.
An acoustic receiving module 3 is disposed in the second housing 12, and the acoustic receiving module 3 is configured to receive an acoustic signal and send the acoustic signal to an external terminal processor (e.g., an industrial personal computer) through an electrical signal or an optical fiber signal. The acoustic receiving module 3 is also connected with an external power supply through a lead 5, and the external power supply supplies power to the acoustic receiving module 3.
In a preferred embodiment, the acoustic transmission module 27 is disposed at the top inside the first housing 11, and the acoustic reception module 3 is disposed at the bottom inside the second housing 12.
In a preferred embodiment, the data storage module 24 may be an SD card, and the storage data may last for more than 3 months.
In a preferred embodiment, the power module 28 may employ a large capacity battery, a battery pack, or several high energy lithium sub-batteries connected in series, or the like.
When the invention is used, firstly, the microprocessor 23 is connected with the server through the data interface, and the server presets the measurement parameters of sampling time, sampling duration, dormancy time, sampling frequency and the like and stores the parameters in the microprocessor 23. Then, the housing 1 is fixedly arranged on the marine riser, and after the installation is completed, the acceleration sensor 22 acquires acceleration data of the marine riser according to preset measurement parameters and stores the acceleration data in the storage data module 24. Meanwhile, the acoustic sending module 27 sends the acquired acceleration data to the acoustic receiving module 3 in an acoustic form, and the acoustic receiving module 3 receives acoustic signals and converts the acoustic signals into electric signals or optical fiber signals to send the electric signals to an external industrial personal computer.
The above embodiments are only used for illustrating the present invention, and the structure, connection mode, manufacturing process, etc. of the components may be changed, and all equivalent changes and modifications performed on the basis of the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims (7)
1. A dynamic response sensor of a deep sea structure is characterized by comprising a shell, a data acquisition sending end and an acoustic receiving module, wherein the data acquisition sending end comprises an acceleration sensor, a microprocessor, a data storage module, a clock management module, a power management module, an acoustic sending module and a power module;
the acceleration sensor, the microprocessor, the data storage module, the clock management module, the power management module, the acoustic sending module, the power module and the acoustic receiving module are arranged in the shell;
the acceleration sensor is used for acquiring acceleration data at a measuring point of the underwater structure in real time;
the microprocessor is used for controlling the acceleration sensor to be turned on or off according to preset measurement parameters;
the storage data module is used for storing the acceleration data of the measuring point in real time;
the clock management module is used for providing current time for the microprocessor and generating a signal for waking up the microprocessor when the microprocessor is in a sleep state;
the acoustic sending module is used for converting acceleration data into acoustic signals and wirelessly sending the acoustic signals to the acoustic receiving module;
the power supply management module is used for supplying power to all power utilization components of the data acquisition sending end through the power supply module according to different voltage amplitudes;
the acoustic receiving module is used for receiving acoustic signals and sending the acoustic signals to the external terminal processor through electric signals or optical fiber signals, and the acoustic receiving module is further connected with an external power supply and supplies power to the acoustic receiving module through the external power supply.
2. The deep sea structure dynamic response sensor of claim 1, wherein the housing is formed by fixedly connecting a top of a first housing with a second housing, the housing is fixedly arranged at a measuring point of an underwater structure, a circuit board and the power supply module are arranged in the first housing, the acceleration sensor, the microprocessor, the data storage module, the clock management module, the power supply management module and the acoustic transmission module are arranged on the circuit board, and an acoustic receiving module is arranged in the second housing.
3. The deep sea structure dynamic response sensor of claim 2, wherein the circuit board is arranged in the middle of the first housing, and the acceleration sensor, the microprocessor, the data storage module, the clock management module and the power management module are arranged on the circuit board; the upper part in the first shell is provided with the acoustic transmitting module, and the acoustic transmitting module is connected with the circuit board through an interface; the power module is arranged at the lower part in the first shell.
4. The deep sea structural dynamic response sensor of claim 2, wherein the first housing is a waterproof sealed T-shaped cylindrical structure and the second housing is a waterproof sealed male cylindrical structure.
5. The deep sea structure dynamic response sensor of claim 2, wherein the acoustic transmission module is disposed at a top portion within the first housing and the acoustic reception module is disposed at a bottom portion within the second housing.
6. The deep sea structure dynamic response sensor of any one of claims 1 to 5, wherein the power module employs a battery pack or a plurality of high energy lithium subcells connected in series.
7. A deep sea structure dynamic response sensor as claimed in any one of claims 1 to 5 wherein the data storage module is an SD card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911226610.2A CN110954712A (en) | 2019-12-04 | 2019-12-04 | Deep sea structure dynamic response sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911226610.2A CN110954712A (en) | 2019-12-04 | 2019-12-04 | Deep sea structure dynamic response sensor |
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| CN110954712A true CN110954712A (en) | 2020-04-03 |
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| CN201911226610.2A Pending CN110954712A (en) | 2019-12-04 | 2019-12-04 | Deep sea structure dynamic response sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112188321A (en) * | 2020-10-09 | 2021-01-05 | 大连理工大学 | Acceleration monitoring system and monitoring method for underwater production riser |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917858A (en) * | 2018-09-14 | 2018-11-30 | 大连理工大学 | One kind being used for submerged structure sound state behavior measure real-time Transmission sensor |
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- 2019-12-04 CN CN201911226610.2A patent/CN110954712A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917858A (en) * | 2018-09-14 | 2018-11-30 | 大连理工大学 | One kind being used for submerged structure sound state behavior measure real-time Transmission sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112188321A (en) * | 2020-10-09 | 2021-01-05 | 大连理工大学 | Acceleration monitoring system and monitoring method for underwater production riser |
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Application publication date: 20200403 |
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