CN202836613U - Deep sea self-contained sensors based on multiple variables - Google Patents
Deep sea self-contained sensors based on multiple variables Download PDFInfo
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- CN202836613U CN202836613U CN 201220298911 CN201220298911U CN202836613U CN 202836613 U CN202836613 U CN 202836613U CN 201220298911 CN201220298911 CN 201220298911 CN 201220298911 U CN201220298911 U CN 201220298911U CN 202836613 U CN202836613 U CN 202836613U
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Abstract
The utility model relates to deep sea self-contained sensors based on multiple variables. The deep sea self-contained sensors comprise a sensing unit, a data acquisition memory unit and a power supply module, wherein the sensing unit comprises a accelerated speed sensor, an inclination angle sensor and a humiture sensor, the data acquisition memory unit comprises an MCU, a memory, a clock circuit and communication interfaces, and the communication interfaces comprise a USB, a serial port and a wireless interface. Data is transmitted to a computer through the communication interface; sea platform structure vibration accelerated speed and inclination angle change can be monitored; and humiture change of a sea environment can be further monitored. The deep sea self-contained sensors can simultaneously monitor multiple variables, have properties of high test precision, good stability, low power consumption and small volume, moreover, sea platform vibration energy is suggested to convert to available electrical energy for supplying power for the sensors, so energy saving, environmental protection and effective work time prolongation of the sensors are realized.
Description
Technical field
The utility model belongs to the offshore platform structure monitoring technical field, relate to a kind of based on multivariable deep sea contained sensor, specifically a kind of data acquisition that utilizes sensing technology to carry out acceleration, structure inclination angle and sea water temperature humidity, data analysis to collecting is realized the purpose to ocean platform Ocean environment and offshore platform structure monitoring itself again.
Background technology
Offshore platform structure is the most important infrastructure of exploitation marine oil and gas resource, and it is the base of offshore production operation and life.At present, nearly more than 6500 offshore platform structures in the whole world are in the operation of the marine site of 53 countries, for having created great riches in the world.The military service phase of general ocean platform is 20 years, but because ocean platform involves great expense, complex structure, bulky, many ocean platforms all are extended active duties.Because ocean platform is on active service under the rugged surroundings in the ocean for a long time, the variation of marine environment has a great impact it, adds impact, the erosion of seawater, and ocean platform is faced with the problems such as material aging, in the abominable situation of burst, emergency situations very easily occurs in ocean platform.Therefore, the marine environmental monitoring under the ocean platform is had great importance.
Along with deepening continuously of structural parameter identification, breakdown diagnosis and degree of safety assessment theory and technical research, and the development of various sensing elements, testing apparatus and computer hardware, software systems, the on-line monitoring of civil infrastructure and safety assessment have obtained the great attention of science and technology and branch of industry both at home and abroad.In recent years offshore platform structure monitoring there are many aspects: the environmental load impact, corrosion damage, the defective of platform member and crackle, and the expansion of mechanical damage, fatigue effect etc.For the monitoring of deep-marine-environment, go in the world at present the sensor of deep-sea observation such as temperature, pressure, turbidity, ocean current etc.Can gather simultaneously acceleration, the inclination angle at deep-sea, the data of humiture based on multivariable deep sea contained sensor, by the signal analysis to collecting, can realize monitoring the purpose of ocean platform Ocean environment, to the monitoring of ocean platform, safeguard and play an important role.
The utility model content
The utility model provides a kind of easy-to-install based on multivariable deep sea contained sensor.
The technical solution of the utility model is as follows: based on multivariable deep sea contained sensor, this deep sea contained sensor comprises sensing unit, data acquisition storage unit, supply module; Sensing unit comprises acceleration transducer, obliquity sensor and Temperature Humidity Sensor, wherein acceleration transducer adopts the LIS344ALH acceleration transducer, LIS344ALH is low-power consumption three axis linear acceleration transducers, comprise senser element and IC interface, can be from the senser element acquired information, and provide simulating signal to the external world; Obliquity sensor adopts SCA103T high-precision tilt angle sensor, and this obliquity sensor is high resolving power single shaft obliquity sensor, measurement range be ± 15 degree or ± 30 spend, long-time stability are very good, temperature characterisitic is good, strong shock resistance; Temperature Humidity Sensor adopts the SHT11 Temperature Humidity Sensor, SHTll is a digital hygro sensor chip that Switzerland Sensirion company releases, this chip height is integrated, the functions such as temperature sensing, humidity, signal conversion, A/D conversion and well heater are integrated on the chip, measuring accuracy is high, owing to integrated Temperature Humidity Sensor of while, can provide moisture measurement value and the high-quality calculation function of temperature compensation, transmission reliability is high, and interface is simple.
The data acquisition storage unit comprises MSP430 low-power consumption MCU, mass storage, clock circuit and communication interface, and Design of Communication Interface comprises USB, serial ports and wave point.Sensing unit is connected with the interface of low-power consumption MCU after filtering circuit, A/D conversion, and communication interface, data acquisition storage unit, clock circuit directly are connected with MCU by bus.
Supply module is comprised of energy supplying system, power supply voltage stabilizing chip and battery, and wherein energy supplying system is comprised of electromagnetic linear generator, super capacitor and voltage multiplying circuit; Battery adopts lithium battery.Based on the energy supplying system of multivariable deep sea contained sensor, comprise the electromagnetic linear generator, voltage multiplying circuit can bear the unlimited super capacitor that discharges and recharges.When having energy of vibration to produce, the electromagnetic linear generator converts energy of vibration to electric energy, after the electric energy reinforcement and correction of a voltage multiplying circuit to output, output 1V, the alternating current of 50HZ comes storage of electrical energy with a super capacitor, MSP430 low-power consumption MCU monitors the voltage of super capacitor, when the voltage that provides reached threshold voltage, super capacitor was lithium cell charging, finished whole energy supply process.
Adopt the withstand voltage titanium alloy casing of sealing of anti-erosion, waterproof based on the pressure hull of multivariable deep sea contained sensor.
The energy supply method of above-mentioned deep sea contained sensor is as follows:
To be bundled on the leg post of ocean platform based on multivariable deep sea contained sensor, the sea washes ocean platform produces vibration, by the linear electromagnetic generator, converts the energy of vibration of collecting to available electric energy.Electromagnetic generator is positioned at the upper left corner of energy supplying system; To after the electric energy reinforcement of output and correcting, export 1V, the alternating current of 50HZ by a voltage multiplying circuit; Come storage of electrical energy with a super capacitor, MSP430 low-power consumption MCU monitors the voltage of super capacitor, and when the voltage that provides reached threshold voltage, super capacitor was lithium cell charging.Single-chip microcomputer activated sensors, sensor begin to gather the storage data.After finishing the data acquisition of a period of time, take out sensor, can or wirelessly on computing machine, import data by the USB/ serial ports.
The beneficial effects of the utility model are to select the sensor chip based on the MEMS technology to come induced signal, and have selected acceleration transducer, obliquity sensor and Temperature Humidity Sensor, can monitor multivariate.System adopts many Design of Communication Interface, comprising: USB, serial ports and wireless design.Formed based on multivariable deep sea contained sensor by sensing unit, data acquisition storage unit.Many communication interfaces and computing machine have been finished the reception of data.
Based on the utility model proposes based on multivariable deep sea contained sensor and energy supply method thereof
,This self-tolerant sensor water-proof, withstand voltage, be easy to assembling and disassembling, volume is little, low-power consumption, service time are long, utilize the method for the energy of vibration energy supply of environmental protection, and the accuracy of detection high has determined prospect and practical value that it is wide.
Description of drawings
Fig. 1 is based on multivariable deep sea contained sensor construction block diagram.
Fig. 2 is based on multivariable deep sea contained sensor energy supplying system structured flowchart.
Embodiment
Be described in detail implementation of the present utility model below in conjunction with technical scheme and accompanying drawing.
Of the present utility model based on multivariable deep sea contained sensor construction block diagram as shown in Figure 1.Sensing unit selects the sensor chip based on the MEMS technology to come induced signal, the data acquisition storage unit is responsible for acceleration, inclination angle, the humiture data of the induction of MEMS chip are stored in the Flash storer, when needing derived data, can data be exported on the computing machine by communication interface.Supply module is comprised of energy supplying system, power supply voltage stabilizing chip and battery, and wherein energy supplying system is comprised of electromagnetic linear generator, super capacitor and voltage multiplying circuit; Battery adopts lithium battery.Pressure hull adopts the withstand voltage titanium alloy casing of sealing of anti-erosion, waterproof.
Of the present utility model based on multivariable deep sea contained sensor energy supplying system structured flowchart as shown in Figure 2.Energy supplying system is included in pressure hull inside, and when sea washes arrived ocean platform, the energy of vibration that ocean platform produces was collected by the electromagnetic linear generator, produced electric energy.After the reinforcement and correction of the electric energy of output through multiple circuit, the alternating current that produces charges to super capacitor, the voltage of the single-chip microcomputer monitoring super capacitor that has downloaded, when voltage reaches threshold voltage, super capacitor is to lithium cell charging, then lithium battery is whole Circuits System power supply, is included as the sensor power supply, sensor collection storage data.
Claims (3)
1. one kind based on multivariable deep sea contained sensor, and it is characterized in that: this deep sea contained sensor comprises sensing unit, data acquisition storage unit, supply module; Wherein sensing unit comprises acceleration transducer, obliquity sensor and Temperature Humidity Sensor; The data acquisition storage unit comprises MCU, storer, clock circuit and communication interface, and communication interface comprises USB, serial ports and wave point; Sensing unit is connected with the interface of low-power consumption MCU after filtering circuit, A/D conversion, and communication interface, data acquisition storage unit, clock circuit directly are connected with MCU by bus.
2. deep sea contained sensor according to claim 1, it is characterized in that: supply module is comprised of energy supplying system, power supply voltage stabilizing chip and battery, and wherein energy supplying system is comprised of electromagnetic linear generator, super capacitor and voltage multiplying circuit; Battery adopts lithium battery.
3. deep sea contained sensor according to claim 1 and 2 is characterized in that: the withstand voltage titanium alloy casing of sealing of pressure hull employing anti-erosion, waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298911 CN202836613U (en) | 2012-06-26 | 2012-06-26 | Deep sea self-contained sensors based on multiple variables |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298911 CN202836613U (en) | 2012-06-26 | 2012-06-26 | Deep sea self-contained sensors based on multiple variables |
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| CN202836613U true CN202836613U (en) | 2013-03-27 |
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| CN 201220298911 Expired - Fee Related CN202836613U (en) | 2012-06-26 | 2012-06-26 | Deep sea self-contained sensors based on multiple variables |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735873A (en) * | 2012-06-26 | 2012-10-17 | 大连理工大学 | Deep sea self-contained type sensor based on multiple variables and energy supply method thereof |
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2012
- 2012-06-26 CN CN 201220298911 patent/CN202836613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735873A (en) * | 2012-06-26 | 2012-10-17 | 大连理工大学 | Deep sea self-contained type sensor based on multiple variables and energy supply method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20140626 |
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| EXPY | Termination of patent right or utility model |