CN107764420A - A kind of ocean temperature detection system - Google Patents
A kind of ocean temperature detection system Download PDFInfo
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- CN107764420A CN107764420A CN201711275864.4A CN201711275864A CN107764420A CN 107764420 A CN107764420 A CN 107764420A CN 201711275864 A CN201711275864 A CN 201711275864A CN 107764420 A CN107764420 A CN 107764420A
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- throwing type
- ocean temperature
- detection system
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- temperature detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a kind of ocean temperature detection system, including throwing type buoy, high-power wireless bridge and ground monitoring central server；Multiple throwing type buoys are carried by unmanned plane and are invested in target marine site, and throwing type buoy is floated on sea；Multiple throwing type buoys form Star Network, and high-power wireless bridge is located at the center of Star Network；Throwing type buoy gathers ocean temperature, is sent to high-power wireless bridge by wireless network, high-power wireless bridge collects the data that throwing type buoy is sent, then is uploaded to server by wireless network.The present invention carries out FSK modulation and demodulation to gathered data, realize the long-range transmission channel data communication of underwater probe and water surface body, overcome that transmission channel wave distortion is big and the unfavorable conditions of marine environment, multiple throwing type buoys are launched simultaneously and arrive target area, it is connected with each other by star-like wireless network, realizes multiple spot, synchronous acquisition deep layer sub-sea water section temperature information.
Description
Technical field
The present invention relates to marine survey technology field, more particularly to a kind of ocean temperature detection system.
Background technology
Detection Techniques are to promote one of key factor for gradually moving to maturity of Marine Sciences, and Marine Sciences are from physics, biology
To geology, from Air-sea fluxes to ocean section water body, yardstick and range spans time and tens, the space order of magnitude are detected.At present
With the development of Detection Techniques, Marine Sciences develop relied on oceanographic data acquisition modes, and from " investigation " to " detection " turns
Become, and marine environmental monitoring has been enter into from space, bank, the water surface and carries out comprehensive, round-the-clock stand to marine environment under water
The epoch of body monitoring.However, the most ocean monitoring technologytechnologies in China still rely on ship observation and observatory at present
The collection sea surface of technology cycle or the factor data of some limited water layers, under Marine GIS and deep water
Data it is very rare.With lifting of the people to Marine Sciences cognitive need, the key element of top layer or limited water layer is relied solely on
Data, it is difficult to understand in depth, can not meet to many-sided situations such as the physics, biology, chemical environment in the wide marine site in China
Comprehensive stereoscopic monitoring requirement, it is impossible to adapt to the needs of China's marine economy development.
The acquisition of the ocean hydrologic environment parameter such as temperature, salinity becomes more and more important.How quick obtaining large area marine site time table
Layer and deep sea water temperature profile factor data, are the key links in China's marine environmental monitoring.
The content of the invention
(1) technical problem solved
In order to solve the above problems, the invention provides a kind of ocean temperature detection system, and FSK tune is carried out to gathered data
System and demodulation, the long-range transmission channel data communication of underwater probe and water surface body is realized, multiple throwing type buoys are thrown
Target area is put into, is connected with each other by star-like wireless network, realizes multiple spot, synchronous acquisition deep layer sub-sea water section temperature
Information.
(2) technical scheme
A kind of ocean temperature detection system, including throwing type buoy, high-power wireless bridge and ground monitoring center service
Device；Multiple throwing type buoys are carried by unmanned plane and are invested in target marine site, and the throwing type buoy is floated on sea；It is more
The individual throwing type buoy forms Star Network, and the high-power wireless bridge is located at the center of the Star Network；The throwing
Formula buoy collection ocean temperature is thrown, the high-power wireless bridge, the high-power wireless bridge are sent to by wireless network
The data that the throwing type buoy is sent are collected, then the ground monitoring central server is uploaded to by the wireless network；
The throwing type buoy includes probe and body, and the probe is located under sea, and the body is located on sea, institute
Probe is stated with the body by signal transmssion line to be connected；When the throwing type buoy receives the ground monitoring center service
The acquisition instructions of device, the probe and the body are separated from each other, and under probe dive to the sea at 1000m, detect the point
Ocean temperature；The probe sends data to the body by the signal transmssion line；
The probe includes data acquisition unit, data processing unit and modulate emission unit, the data acquisition unit
Ocean temperature is gathered, exports analog voltage signal, the A/D ALT-CH alternate channels for being sent into the data processing unit carry out analog-to-digital conversion,
Output digit signals are through the modulate emission cells modulate into frequency signal；The body includes demodulation receiving unit and wireless biography
Defeated unit, the demodulation receiving unit receive the frequency signal that the probe is sent through the signal transmssion line and are demodulated into
The data signal, the wireless network is sent into by the wireless transmission unit.
Further, the signal transmssion line is grown using 1000m, the polyurethane enamelled wire of 0.1mm line footpaths.
Further, the data acquisition unit is temperature sensor, and the temperature sensor selects NTC thermistor.
Further, the data processing unit selects single-chip microcomputer MSP430F449.
Further, the modulate emission unit and the demodulation receiving unit have identical circuit structure, including adjust
Modulator-demodulator, high frequency transformer, quartz crystal oscillator, first resistor and the first~the 4th electric capacity, wherein the modem is selected
Asynchronous shift keying modulation demodulation chip MSM7512B is may be programmed, the 4th electric capacity is electrochemical capacitor.
Further, the wireless transmission unit is ZigBee wireless modules, including single-chip microcomputer MSP430F449 and
JN5139 modules.
Further, the throwing type buoy also includes power supply unit, and said supply unit is lithium battery.
Preferably, said supply unit is solar power generation panel, the solar power generation panel is located at the body
It is outside.
(3) beneficial effect
The invention provides a kind of ocean temperature detection system, carries out FSK modulation and demodulation to gathered data, realizes water
The long-range transmission channel data of lower probe and water surface body communicate, and overcome that transmission channel wave distortion is big and marine environment
Unfavorable conditions, while multiple throwing type buoys are launched and arrive target area, it is connected with each other, is realized more by star-like wireless network
Point, synchronous acquisition deep layer sub-sea water section temperature information, off-lying sea detection cost, the mobility of acquisition of information and real-time are aobvious
Write and monitored better than boat-carrying and the station, its system architecture is simple, and cost is cheap, and system power dissipation is low, and accuracy of detection is high, response speed
It hurry up, transmission is stable and reliable, and scalability is strong, easily realizes, in the communication that can promote the use of other deserted measuring systems.
Brief description of the drawings
Fig. 1 is a kind of structural representation of ocean temperature detection system involved in the present invention.
Fig. 2 is a kind of structured flowchart of ocean temperature detection system involved in the present invention.
Fig. 3 is a kind of modulation /demodulation receiving circuit schematic diagram of ocean temperature detection system involved in the present invention.
Embodiment
Embodiment involved in the present invention is described in further details below in conjunction with the accompanying drawings.
With reference to Fig. 1 and Fig. 2, a kind of ocean temperature detection system, including throwing type buoy 1, high-power wireless bridge 3 and ground
Face monitoring center's server；Multiple throwing type buoys 1 are carried by unmanned plane and are invested in target marine site, and throwing type buoy floats on sea
On face 5；Multiple throwing type buoys 1 form Star Network, and high-power wireless bridge 3 is located at the center of Star Network；Throwing type floats
The collection ocean temperature of mark 1, high-power wireless bridge 3 is sent to by wireless network 4, high-power wireless bridge 3 collects throwing type
The data that buoy 1 is sent, then ground monitoring central server is uploaded to by wireless network 4；
Throwing type buoy 1 includes probe 21 and body 22, and probe 21 is located under sea 5, and body 22 is located on sea 5, visits
First 21 are connected with body 22 by signal transmssion line 23；When throwing type buoy 1 receives the collection of ground monitoring central server
Instruction, probe 21 and body 22 are separated from each other, and at 21 dives of probe to the 1000m of sea 5 times, detect the ocean temperature of the point；Visit
First 21 send data to body by signal transmssion line 23；
Probe 21 includes data acquisition unit, data processing unit and modulate emission unit, data acquisition unit collection sea
Coolant-temperature gage, analog voltage signal is exported, the A/D ALT-CH alternate channels for being sent into data processing unit carry out analog-to-digital conversion, export numeral letter
Number modulated transmitter unit is modulated into frequency signal；Body 22 includes demodulation receiving unit and wireless transmission unit, and demodulation receives
Frequency signal that unit receiving transducer 21 is sent through signal transmssion line 23 simultaneously carries out being demodulated into data signal, by being wirelessly transferred list
Member is sent into wireless network 4.
Throwing type buoy 1 is carried by unmanned plane, is launched after arriving at target marine site, slows down decrease speed by parachute, when
Parachute Automatic-falling when touching sea 5.After throwing type buoy 1 receives the acquisition instructions of ground monitoring central server,
Probe 21 is discharged into 1000m of sea 5 times or so measurement seawater section temperature by throwing type buoy 1.Data acquisition unit is temperature
Sensor, temperature sensor select NTC thermistor.NTC thermistor uses high sensitivity, fast response time.
NTC thermistor gathers ocean temperature, exports as analog voltage signal, the A/D that need to be sent into digital processing element turns
Change passage and carry out analog-to-digital conversion process.Data processing unit selects single-chip microcomputer MSP430F449, its low-work voltage：1.8~
3.6V.Three models super low-power consumption：Activity pattern 280uA；Standby mode 1.1uA；Power-down mode only 0.1uA.There are 5 kinds of economize on electricity moulds
Formula, it is no more than 6us from standby to the response time of wake-up.16 reduced instruction structures, 150ns instruction cycles.It is internally integrated 12
8 passage A/D converters of position, the 16 bit timing devices with 3 capture/comparator configurations, serial communication can software selection UART/
SPI both of which.Internal 60KB flash storages and 2KB RAM.
Probe 21 is while measurement temperature by body 22 of the data transfer to throwing type buoy 1.Probe 21 and sheet
The data communication of body 22 is wire transmission, and transmission channel is in complicated marine environment, and the quality of transmission performance directly affects
To the validity and integrality of measurement result.Signal transmssion line 23 is grown using 1000m, the polyurethane enamelled wire of 0.1mm line footpaths.By
Very thin in line footpath, the D.C. resistance of transfer wire is very big, and the numerical value of line capacitance and equivalent inductance is also very big, and with bobbin
Expansion, the wave distortion of transmission signal is larger, data is produced serious exhaustion and deformation in transmitting procedure.Except transmission medium
Outside the adverse effect that itself is transmitted to signal, the influence of ambient sea noise is also what be can not be ignored.Ambient sea noise for
The interference of signal be it will be apparent that the composition of noise is complicated, geographical position with marine site, pop one's head in 21 depth, surrounding ship etc.
There is relation.Therefore processing is modulated to transmission signal, using FSK modulation, transmission range length, channel parameter can be overcome fast
Signal attenuation, deformation caused by the unfavorable conditions such as fast time-varying, ensure the reliability of data transfer.Gathered data is through MSP430F449
After processing, give modulate emission unit and carry out FSK modulation and wire transmission.The body 22 of throwing type buoy 1 on sea passes through letter
The frequency signal of number receiving transducer 21 of transmission line 23 transmission is simultaneously demodulated.Modulate emission unit and demodulation receiving unit have phase
Same circuit structure, as shown in figure 3, including modem U1, high frequency transformer T1, quartz crystal oscillator X1, resistance R1 and electric capacity
C1~C4, wherein modem U1 are from may be programmed asynchronous shift keying modulation demodulation chip MSM7512B, the 4th electric capacity
Electrochemical capacitor C4.MSM7512B has small volume, low in energy consumption, Acclimation temperature scope is wide, peripheral cell is few, has wider voltage work
The features such as making scope, use and debug and be also very convenient.MSM7512B meet ITU2TV.23 rule, half-duplex operation,
1200b/s, there is 75b/s Reverse Traffic Channel, 3~5V power work scopes, low-power consumption：Mode of operation 25mW；Save mould
Formula 100uW, built-in mixing capacitance-resistance loop, analog loopback ring self-checking function and 3.58MHz crystal oscillations loop, numeral input/defeated
Outgoing interface is compatible with Transistor-Transistor Logic level.1200b/s transmission rate can meet that the data transfer between probe 21 and body 22 will
Ask；3V operating voltage is identical with data acquisition unit, simplifies power circuit；Low power consumption characteristic is applied to the building ring of system
Border；Transistor-Transistor Logic level convenience and single-chip microcomputer MSP430F449 interfaces.MSM7512B pin MOD1 and MOD2 is working mode selection
End, four kinds of working methods may be selected：Mode one MOD1=0, MOD2=0 are FSK sending modes；Mode two MOD1=0, MOD2 are
FSK is received and 75bps sending modes；Mode three MOD1=1, MOD2=0 are that analogue loop returns to test pattern；The MOD1 of mode four
=1, MOD2=1 is power-down mode, and the system is operated under mode two modes.
MSM7512B supports Transistor-Transistor Logic level, can be joined directly together with MSP430F449.MSM7512B data receiver RD pin and
Data sending terminal XD pin are connected with MSP430F449 USART interfaces, and realization communicates with the data between MSP430F449.By
MSP430F449 I/O mouth output control Automatic level controls MSM7512B working mode selection, carrier wave detection, signal it is enabled and
Loop self-checking function.Built-in 1M Ω feedback resistance between X1 and X2 pin, while connect approximate 10pF's respectively over the ground
Electric capacity, 3.58MHz quartz crystal oscillator X1 can be directly coupled.Receiving terminal A1 and transmitting terminal A2 by 2.2uF electric capacity C1 and
C2 is connected with signal transmssion line, and electric capacity plays a part of logical friendship stopping direct current.The vdd terminal being connected with power supply by decoupling capacitor C3 and
C4 is grounded, and eliminates AC compounent.
Data are passed back to the monitoring center on ground after the data of the receiving transducer 21 of body 22 transmission by wireless transmission unit
Server.Wireless transmission unit is ZigBee wireless modules, including single-chip microcomputer MSP430F449 and JN5139 module.ZigBee is
Low-power consumption LAN protocol based on IEEE802.15.4 standards, be characterized in low cost, closely, low complex degree, self-organizing,
Low-power consumption and low data rate, it is primarily adapted for use in and automatically controls and remote control field, various equipment can be embedded in.Transmission range
10~3km is typically in the range of, refers to the distance between adjacent node, if by routeing the relay with inter-node communication, transmission distance
From can meet that system buildup ZigBee Star Networks and high-power wireless bridge 3 establish the requirement of radio communication with farther.
JN5139 modules are the low-power consumption compatible with IEEE802.15.4 of industry first item, low-cost wireless control module.JN5139 moulds
The serial ports of block and MSP430F449 serial ports are all TTL interfaces, therefore can be joined directly together, and need to only connect two letters of TXD0 and RXD0
Number line is that both data transfer communications can be achieved.
The gathered data of multiple spot is sent into ZigBee wireless networks 4 by multiple throwing type buoys 1, positioned at Star Network center
High-power wireless bridge 3 data are collected, then the monitoring center's server on ground is uploaded to by wireless network 4, can
Mass memory, curve matching and printing display etc. are carried out at monitoring center's server end.
Throwing type buoy 1 also includes power supply unit, and power supply unit is lithium battery.Due to the local environment of throwing type buoy 1
Particularity, as the preferred of technical scheme, power supply unit is solar power generation panel, and solar power generation panel is located at outside body 22
Portion.The outside of the body 22 of throwing type buoy 1 is wrapped up by solar power generation panel, more fully efficiently can be turned using solar energy
Electric energy is turned to be stored and provide operating voltage to system each unit.
The invention provides a kind of ocean temperature detection system, carries out FSK modulation and demodulation to gathered data, realizes water
The long-range transmission channel data of lower probe and water surface body communicate, and overcome that transmission channel wave distortion is big and marine environment
Unfavorable conditions, while multiple throwing type buoys are launched and arrive target area, it is connected with each other, is realized more by star-like wireless network
Point, synchronous acquisition deep layer sub-sea water section temperature information, off-lying sea detection cost, the mobility of acquisition of information and real-time are aobvious
Write and monitored better than boat-carrying and the station, its system architecture is simple, and cost is cheap, and system power dissipation is low, and accuracy of detection is high, response speed
It hurry up, transmission is stable and reliable, and scalability is strong, easily realizes, in the communication that can promote the use of other deserted measuring systems.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined.On the premise of design concept of the present invention is not departed from, technology of the ordinary people in the field to the present invention
The all variations and modifications that scheme is made, all should drop into protection scope of the present invention, the claimed technology contents of the present invention,
All record in detail in the claims.
Claims (8)
- A kind of 1. ocean temperature detection system, it is characterised in that：Including throwing type buoy, high-power wireless bridge and ground monitoring Central server；Multiple throwing type buoys are carried by unmanned plane and are invested in target marine site, and the throwing type buoy floats on On sea；Multiple throwing type buoys form Star Network, and the high-power wireless bridge is located in the Star Network The heart；The throwing type buoy gathers ocean temperature, and the high-power wireless bridge is sent to by wireless network, described high-power Wireless bridge collects the data that the throwing type buoy is sent, then is uploaded to the ground monitoring center by the wireless network Server；The throwing type buoy includes probe and body, and the probe is located under sea, and the body is located on sea, the spy Head is connected with the body by signal transmssion line；When the throwing type buoy receives the ground monitoring central server Acquisition instructions, the probe and the body are separated from each other, and under probe dive to the sea at 1000m, detect the sea of the point Coolant-temperature gage；The probe sends data to the body by the signal transmssion line；The probe includes data acquisition unit, data processing unit and modulate emission unit, the data acquisition unit collection Ocean temperature, analog voltage signal is exported, the A/D ALT-CH alternate channels for being sent into the data processing unit carry out analog-to-digital conversion, output Data signal is through the modulate emission cells modulate into frequency signal；The body includes demodulation receiving unit and is wirelessly transferred list Member, the demodulation receiving unit receive the frequency signal that the probe is sent through the signal transmssion line and described in being demodulated into Data signal, the wireless network is sent into by the wireless transmission unit.
- A kind of 2. ocean temperature detection system according to claim 1, it is characterised in that：The signal transmssion line uses 1000m grows, the polyurethane enamelled wire of 0.1mm line footpaths.
- A kind of 3. ocean temperature detection system according to claim 1, it is characterised in that：The data acquisition unit is temperature Sensor is spent, the temperature sensor selects NTC thermistor.
- A kind of 4. ocean temperature detection system according to claim 1, it is characterised in that：The data processing unit is selected Single-chip microcomputer MSP430F449.
- A kind of 5. ocean temperature detection system according to claim 1, it is characterised in that：The modulate emission unit and institute Stating demodulation receiving unit has identical circuit structure, including modem, high frequency transformer, quartz crystal oscillator, first resistor With the first~the 4th electric capacity, wherein the modem from may be programmed asynchronous shift keying modulation demodulation chip MSM7512B, the 4th electric capacity are electrochemical capacitor.
- A kind of 6. ocean temperature detection system according to claim 1, it is characterised in that：The wireless transmission unit is ZigBee wireless modules, including single-chip microcomputer MSP430F449 and JN5139 module.
- A kind of 7. ocean temperature detection system according to claim 1, it is characterised in that：The throwing type buoy also includes Power supply unit, said supply unit are lithium battery.
- A kind of 8. ocean temperature detection system according to claim 7, it is characterised in that：Said supply unit is solar energy Generating panel, the solar power generation panel are located at the body exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275864.4A CN107764420A (en) | 2017-12-06 | 2017-12-06 | A kind of ocean temperature detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275864.4A CN107764420A (en) | 2017-12-06 | 2017-12-06 | A kind of ocean temperature detection system |
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| Publication Number | Publication Date |
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| CN107764420A true CN107764420A (en) | 2018-03-06 |
Family
ID=61277698
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711275864.4A Withdrawn CN107764420A (en) | 2017-12-06 | 2017-12-06 | A kind of ocean temperature detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013995A (en) * | 2020-08-21 | 2020-12-01 | 中国科学院声学研究所 | Seawater temperature profile rapid measurement system and method based on unmanned aerial vehicle |
| CN113706974A (en) * | 2021-09-07 | 2021-11-26 | 哈尔滨工业大学（威海） | Ocean exploration technology teaching experiment system |
-
2017
- 2017-12-06 CN CN201711275864.4A patent/CN107764420A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013995A (en) * | 2020-08-21 | 2020-12-01 | 中国科学院声学研究所 | Seawater temperature profile rapid measurement system and method based on unmanned aerial vehicle |
| CN113706974A (en) * | 2021-09-07 | 2021-11-26 | 哈尔滨工业大学（威海） | Ocean exploration technology teaching experiment system |
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