CN106404222A - Ocean temperature depth profile detection system based on combined type high-precision temperature measuring cable - Google Patents
Ocean temperature depth profile detection system based on combined type high-precision temperature measuring cable Download PDFInfo
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Abstract
The invention belongs to the technical field of ocean temperature depth profile detection, and particularly relates to an ocean temperature depth profile detection system based on a combined type high-precision temperature measuring cable. The ocean temperature depth profile detection system mainly comprises a buoy unit, a temperature measuring cable unit and an anchor system unit which are connected and communicated in sequence, wherein the buoy unit comprises a buoy body and a system control module fixedly arranged in the buoy body; the temperature measuring cable unit is formed by serially connecting a plurality of temperature measuring single sections end to end in sequence; the anchor system unit comprises an anchor body, the anchor body is a metal body comprising a cavity and is sealed, and a power supply module and a battery are arranged in the cavity. The ocean temperature depth profile detection system is based on the buoy technology, adopts the combined type underwater temperature measuring cable, can be flexibly distributed in sea areas at different depths in a single-point or multipoint manner, obtains ocean temperature at different depths according to temperature sensors on the temperature measuring cable at different positions, realizes precise, real-time and long-term monitoring of multipoint and different ocean depth temperature data in specific sea areas, and has the advantages of low cost, easy implementation, high temperature measuring precision and good reliability.
Description
Technical field
The invention belongs to Yu Haiyang temperature depth section Detection Techniques field is and in particular to a kind of be based on combination type high precision measuring temperature electricity
The ocean temperature depth section detection system of cable.
Background technology
Sound wave is remote exploration of ocean resources, unique effective means of target acquisition at present.The master of impact sonic propagation
Factor is wanted to be ocean temperature, salinity and pressure (depth) etc., the wherein impact to the velocity of sound for the change of temperature is maximum.Because sea water is situated between
Temperature in matter, distribution of the salinity uneven, can cause the velocity of sound distribution uneven, thus forming the sound velocity gradient in ocean,
And then affect the accuracy of all kinds of sound measurement equipment.Therefore, under water temperature depth cross-sectional data to environment information acquisition, make weapon under water
There is highly important military value.At present, the means of monitoring acquisition sea temperature information are various, such as buoy, and bank base is monitored
Stand, fixed offshore platform, aspiration ship etc..Instrument includes XBT, XCTD etc..But existing measuring device for seawater temperature exists
Precision is low, poor reliability, and volume is big, high cost, not readily portable it is impossible to the problems such as long-time monitoring.
Content of the invention
The technical problem to be solved is to provide a kind of ocean temperature depth section based on combination type high precision measuring temperature cable
Detection system, solves that the precision that existing measuring device for seawater temperature exists is low, poor reliability, volume are big, high cost, is not easy to take
The problems such as carry, can not monitor for a long time.
For solving the above problems, the technical scheme is that：
Including the buoy unit being sequentially connected communication, cable for measuring temperature unit and anchor system unit；
The system control module that described buoy unit includes buoy float and is fixedly installed in buoy body, system control module bag
Include single-chip minimum system and the satellite communication module being connected with single-chip minimum system；
Cable for measuring temperature unit is followed in series to form by multiple thermometric single-unit head and the tail, and each thermometric single-unit is independent subsystem,
Including cable, cable accesses serial interface, data acquisition module, array of temperature sensor, multiple pressure transducer and
Serial interface downwards, the upper serial interface of top thermometric single-unit is connected with buoy unit；
Described anchor system unit includes anchor body, and anchor body is with cavity and the metallic object that seals, arranges power module in cavity
And battery, anchor body upper end is provided with cable for measuring temperature unit sealed interface, anchor system unit pass through cable for measuring temperature unit sealed interface with
The downward serial interface of least significant end thermometric single-unit connects.
Described single-chip minimum system includes MSP430 single-chip microcomputer, jtag interface, RS485 interface, RS232 interface, electricity
Power-switching circuit, reset circuit and external crystal-controlled oscillation；Described satellite communication module is Beidou communication RDSS/RNSS/B1 short message
All-in-one module, Beidou communication RDSS/RNSS/B1 short message all-in-one module passes through RS232 interface with MSP430 single-chip microcomputer even
Connect letter.
Described data acquisition module is arranged on the cable upper end of thermometric single-unit, and data acquisition module includes MSP430 monolithic
Machine, jtag interface, RS485 interface, reset circuit, monobus drive circuit, power-switching circuit and external crystal-controlled oscillation；Described temperature
Degree sensor array includes multiple DS18B20 digital temperature sensors being fixedly installed at equal intervals on cable；Described pressure
Sensor is the digital pressure sensor with RS485 interface, and setting number is two, and two pressure transducers are respectively arranged at
The upper end of cable and end, two pressure transducer DS18B20 with the top and bottom in array of temperature sensor respectively
Digital temperature sensor is contour.
Described anchor body is upper length of side 20cm, lower length of side 40cm, the sealing steel construction truncated rectangular pyramids structure of the long 50cm of hypotenuse, electricity
Source module includes voltage-dropping type DC/DC switching power source chip, and output voltage is 3.3V and 5V, and battery is 12V, 100 Ah lithium batteries.
Described cable includes cable core and the silica gel line protective layer of cladding cable core, and cable core is made up of 6 pairs of twisted-pair feeders, and 6 to double
It is provided with reinforcement between twisted wire.
Ocean temperature depth section detection steps based on this system are as follows：
Step one：Test system building
According to Hai Shen, N number of thermometric single-unit is selected to form cable for measuring temperature unit, according to buoy unit, cable for measuring temperature unit and anchor system
The test system that is linked in sequence of unit, anchor system unit throws in heavy sea, and buoy unit floats, and anchor system unit and buoy unit are by thermometric
Cable unit stretches fixation；
Step 2：Raw data acquisition
The data acquisition module of each section of thermometric single-unit enters working condition, system control module under the control of system control module
Each cycle T sends the instruction of a gathered data to each thermometric single-unit, the array of temperature sensor on each thermometric single-unit
Complete the temperature data acquisition of different Hai Shen with pressure transducer, constant duration gathers n time, each data acquisition module is respectively
The temperature depth data of this section of thermometric single-unit is uploaded in system control module according to this section of thermometric single-unit numbering；
Step 3：Gathered data is processed
System control module is calculated the depth letter of each temperature sensor first according to the depth information of each section of thermometric single-unit
Breath, tests the corresponding calibration function of each temperature sensor obtaining in advance, obtains this thermometric list when designing according to thermometric single-unit
Accurate temperature data at section different depth, multiple temperature datas of the different thermometric single-units receiving are preserved by system control module
And be averaging, the temperature data after being processed compression by satellite communication module is sent to bank base Surveillance center, in bank base monitoring
The heart obtains the ocean temperature depth profile information of this piece marine site real-time change using interpolation algorithm or model.
Laying multigroup test system, collaborative networking collecting temperature depth number with a piece of marine site according to step one methods described
According to collecting temperature depth data to bank base Surveillance center.
In described step 2, least significant end, the temperature depth data that i.e. itself is gathered by N thermometric single-unit upload to oneself
In the upper adjacent data acquisition module of N-1 thermometric single-unit, the data acquisition module of N-1 thermometric single-unit is by the temperature of itself
Degree depth data merges, with the temperature depth data of N thermometric single-unit, the data acquisition module uploading to N-2 thermometric single-unit
In block, by that analogy, by the temperature depth data of all thermometric single-units be incorporated into topmost, i.e. the data of No. 1 thermometric single-unit
In acquisition module, finally the temperature depth data of all thermometric single-units is uploaded in system control module；System control module
Assign gathered data instruction contrary with said process.
Beneficial effects of the present invention：
1. present system is based on buoy technology, using cable for measuring temperature under Combined water, can flexible ground single-point, multiple spot lay
In the marine site of various different depths, obtain the ocean of different depth by the temperature sensor of each diverse location on cable for measuring temperature
Temperature, corrects to sensor temperature data in conjunction with data fitting algorithms, makes temperature measurement accuracy≤0.1 DEG C, be achieved in spy
Dinghai domain multiple spot, accurate, the real-time, long term monitoring of different seas depth temperature data, this detection system with low cost it is easy to implement,
Temperature measurement accuracy is high, good reliability.
2. the present invention realizes the real-time passback of temperature data by satellite communication module, theoretical in conjunction with geometrical acoustics, realizes
Accurate Analysis to ocean acoustic propagation characteristic, can with the detection reliability of the optimization acoustic underwater survey equipment such as sonar of high degree and
Precision.
Brief description
Fig. 1 is the overall structure diagram of detection system of the present invention；
Fig. 2 is the concatenation theory diagram of the present invention multigroup thermometric single-unit；
Fig. 3 is the internal structure schematic diagram of one thermometric single-unit of the present invention；
Fig. 4 is the schematic block circuit diagram of present system control module；
Fig. 5 is the schematic block circuit diagram of data acquisition module of the present invention；
In figure, 1- buoy unit, 2- cable for measuring temperature unit, 3- anchor system unit, 4- buoy float, 5- satellite communication module, 6- each
Thermometric single-unit, 7- single-chip minimum system, 8- anchor body, 9- power module, 10- battery.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further detailed：
The ocean temperature depth section detection system based on combination type high precision measuring temperature cable shown in reference picture 1- Fig. 5, including successively
The buoy unit 1 of connection communication, cable for measuring temperature unit 2 and anchor system unit 3；
Buoy unit 1 floats on sea, overall carries out watertight process using rubber plastic it is ensured that the buoyancy of system and watertight
Property, provide buoyancy for whole system, control whole system work simultaneously, complete the place of cable for measuring temperature unit 2 collecting temperature data
Reason, monitoring center completes data communication with bank base.Buoy unit 1 includes buoy float 4 and the system being fixedly installed in buoy float 4
Control module, system control module includes single-chip minimum system 7 and the satellite communication module being connected with single-chip minimum system 7
5；Single-chip minimum system 7 include MSP430 single-chip microcomputer, jtag interface, RS485 interface, RS232 interface, power-switching circuit,
Reset circuit and external crystal-controlled oscillation；MSP430 single-chip microcomputer have high speed, low-power consumption, strong interference immunity, input/output interface enrich etc.
Feature, the single-chip minimum system 7 that MSP430 single-chip microcomputer is built possesses electrification reset and watchdog reset function, can effectively keep away
Exempt to run the system in case of system halt flying to lead in program operation process.Satellite communication module 5 is Beidou communication RDSS/RNSS/B1 short message
All-in-one module, this module is integrated with RDSS rf chip, power amplifier chips, baseband circuit etc., the optional built-in RNSS＆ of module
GPS module, it is possible to achieve RDSS＆GPS＆RNSS works simultaneously, integrated level is high, low in energy consumption, compatible receiver RDSS, RNSS/GPS defend
Star navigation signal, has the advantages that positioning precision is good, sensitivity degree is high, fully meets system-satellite communication and location requirement.North
Bucket communication RDSS/RNSS/B1 short message all-in-one module passes through RS232 interface and MSP430 single-chip microcomputer connection communication.
Cable for measuring temperature unit 2 is used for gathering the ocean temperature data on different depth in ocean, and cable for measuring temperature unit 2 is by many
Individual thermometric single-unit 6 head and the tail are followed in series to form, the spread of achievable cable for measuring temperature unit 2 length, and each thermometric single-unit 6 is equal
Independent become subsystem, including cable for measuring temperature, upper serial interface, data acquisition module, array of temperature sensor, pressure transducer and
Serial interface downwards, the upper serial interface of top thermometric single-unit is connected with buoy unit；
, all using 5 core seal nipples being mutually matched, wherein going up serial interface is male for upper serial interface and lower serial interface, under
Serial interface is female, and it is defined as VCC, GND, 485_2+, 485_2- and 485GND_2；Cable includes cable core and cladding cable core
Silica gel line protective layer, cable core is made up of 6 pairs of twisted-pair feeders, is provided with reinforcement between 6 pairs of twisted-pair feeders, thus ensureing the anti-of cable
Burn into is pressure and water proofing property, and 6 pairs of twisted-pair feeders are respectively No. 1 RS485 bus of pressure transducer, including two data lines 485_1
+, 485_1- and ground wire 485GND_1, be connected according to RS485 communication mode with data acquisition module.Each section of thermometric single-unit 6 of system
No. 2 RS485 buses needed for data interaction, including two data lines 485_2+, 485_2- and ground wire 485GND_2, are adopted with data
Collection module connects according to RS485 multi-computer communication mode.In two of which RS485 bus, four data lines correspond to two respectively to double
Twisted wire, single two ground wires are another to twisted-pair feeder.In remaining 3 pairs of twisted-pair feeder, 1 to being used as the data acquisition of each thermometric single-unit 6
The power line VCC of module and ground wire GND.Other 2 centerings, 1 to the power line as each thermometric single-unit 6 array of temperature sensor
VDD and GND1, another to the data wire DQ and ground wire GND2 as array of temperature sensor, note two ground wires all jointing temp pass
The GND pin of sensor.Wherein No. 2 RS485 buses and power line VCC and ground wire GND need to be simultaneously connected with upwards, downward series connection
Mouth corresponding 485_2+, 485_2-, 485GND_2, VCC and GND.
Data acquisition module is arranged on cable upper end, data acquisition module include MSP430 single-chip microcomputer, jtag interface,
RS485 interface, reset circuit, monobus drive circuit, power-switching circuit and external crystal-controlled oscillation；Described array of temperature sensor
Including multiple DS18B20 digital temperature sensors being fixedly installed at equal intervals on cable；Described pressure transducer be with
The digital pressure sensor of RS485 interface, setting number is two, and two pressure transducers are respectively arranged at thermometric single-unit cable
Upper end and end, two pressure transducers respectively with the array of temperature sensor of thermometric single-unit cable in topmost and bottom
DS18B20 digital temperature sensor contour.DS18B20 digital temperature sensor is a height supporting single bus communication protocol
Accuracy Figure temperature sensor, monobus drive circuit, using the drive circuit based on 74HC244 tri-state driver door, effectively improves
System drive ability simultaneously reduces the impact to system for the arrangement of conductors electric capacity it is ensured that the temperature measurement accuracy of system, makes the system can
Increase to more than 100 meters by communication distance, maximum can mount DS18B20 digital sensor quantity and reach 48.By MSP430 monolithic
The common I/O port of two of machine, is respectively defined as DAT with CTRL and is connected with drive circuit, drive circuit delivery outlet 1Y1 and cable DQ
Data wire connects；RS485 interface comprises two, is responsible for for one communicating with pressure sensor module, another is responsible for temperature data
Upload.It is higher that RS485 interface has a data transmission rate, and communication distance is remote, anti-interference strong feature, peak transfer rate
10Mbps, maximum communication distance reaches 1000 meters.
DS18B20 temperature sensor has wiring simply, and networking is convenient, and response sensitivity is high, and strong antijamming capability etc. is excellent
Point, is particularly suitable for the application scenario of multipoint temperature measuring.The temperature-measuring range of DS18B20 digital temperature sensor is -55 ~+125
DEG C, in the range of -10 ~+85 DEG C, precision is ± 0.5 DEG C.
DS18B20 is a typical single bus sensor, and its command sequence is as follows：
The first step：Initialization.
Second step：ROM order（With the data exchanging with the need）.
3rd step：Command function（With the data exchanging with the need）.
This command sequence must be strictly observed when accessing any one DS18B20 temperature sensor every time；Inside has 64
The ROM cell of position and the temporary register of 9 bytes.64 ROM contain the unique serial number of DS18B20 so that monobus number
It is possibly realized according to transmission.Main frame must access DS18B20 before entering operation sequence one by one, using reading ROM（33H）Order should
The serial number of DS18B20 reads and records.
When system control module needs some of numerous online DS18B20 is operated, send coupling ROM first
Order（55H）, and then main frame offer 64 bit sequences（48 bit sequence number including this DS18B20）, operation afterwards is exactly pin
To this DS18B20's；
Need to skip ROM order when main frame needs and all online DS18B20 are operated.For example start all DS18B20
Carry out temperature inversion.After main frame sends and skips ROM order, then send unified temperature transition start code（44H）It is achieved that
The unified conversion of all DS18B20, then after 1s, you can by mating ROM order, seriatim read back each DS18B20's
Temperature data.If instruction successfully makes DS18B20 complete temperature survey, data will be stored in the temporary register of DS18B20,
Can be read by following read-write sequence.
1st, reset timing：Single-chip microcomputer drags down bus 480us ~ 950us, then discharges bus（Draw high level）.At this moment
DS18B20 can drag down holding wire, and about 60 ~ 240us represents response.DS18B20 draws between low level 60 ~ 240us, single-chip microcomputer
Read the level of bus, if low level, then represent and reset successfully.After DS18B20 drags down level 60 ~ 240us, can release
Put bus.
2nd, write logical zero：Single-chip microcomputer drags down level about 10 ~ 15us.Single-chip microcomputer drags down the time of level about 20 ~ 45us.
Release bus.
3rd, write logic 1：Single-chip microcomputer drags down level about 10 ~ 15us.The time of level about 20 ~ 45us drawn high by single-chip microcomputer.
Release bus.
4th, read logical zero：When reading, single-chip microcomputer drags down level about 1us.Single-chip microcomputer discharges bus, then reads total
Line level.At this time DS18B20 can drag down level.After reading level, postpone about 40 ~ 45 microseconds.
5th, read logic 1：When reading, single-chip microcomputer drags down level about 1us.Single-chip microcomputer discharges bus, then reads total
Line level.At this time DS18B20 can draw high level.After reading level, postpone about 40 ~ 45 microseconds.
Range of error≤0.5 DEG C between -55 ~+85 DEG C for the error precision of DS18B20 temperature sensor, for further
Reduce sensor error, improve system entirety temperature measurement accuracy, system is respectively adopted least-squares algorithm and fitting of a polynomial algorithm
Corrected.Specific as follows：
（1）Set for this platform.
Build the data collecting system based on MSP430 single-chip microcomputer（Test main frame）With temperature sensor hot-wire array.Temperature
Sensor test array comprises 5（Or more）DS18B20 temperature sensor, using monobus three-wire system mode, by
The common I/O port of MSP430 single-chip microcomputer directly drives DS18B20 digital temperature sensor.
（2）Data acquisition.
Due to the uniqueness of each DS18B20 temperature sensor, its error characteristics curve is not quite similar.For this, we are in height
In precision temperature chamber, the collection analysises of temperature data are carried out respectively to each DS18B20 temperature sensor.Way is that setting is permanent
Warm bath temperature degree is a fixed value, and when design temperature error is stablized at ± 0.05 DEG C, test main frame starts every five seconds for example collection once temperature
Degrees of data, and the data collecting is sent to host computer by serial ports is stored.In conjunction with the feature of ocean temperature distribution, I
Select 14 temperature spots to carry out the collection analysises of data respectively between -20 ~ 50 DEG C.（It is followed successively by -20.0 DEG C, -15.0 DEG C, -
10.0 DEG C, -5.0 DEG C, 0 DEG C, 5.0 DEG C, 10.0 DEG C, 15.0 DEG C, 20.0 DEG C, 25.0 DEG C, 30.0 DEG C, 35.0 DEG C, 40.0 DEG C, 45.0
DEG C, 50 DEG C）.Each sensor, in each temperature spot continuous acquisition 30min, obtains 360 sample values.
（3）Calculate calibration function.
A. take the actual measurement as this temperature sensor on this temperature spot for the meansigma methodss of above-mentioned 360 points of temperature datas
Value.With each sensor each temperature spot actual measured value as independent variable, exact value（Temperature chamber arranges temperature value）Be because
Variable, has obtained the discrete temperature characteristics that each DS18B20 temperature sensor is at -20 ~ 50 DEG C.
B. adopt least square fitting, 3 order polynomial matchings successively, each sensor is obtained by above-mentioned discrete curve and corresponds to
Continuous calibration function.
（4）Temperature data is calibrated.
The DS18B20 having calibrated digital temperature sensor is deployed on the different depth of temperature measuring cable.Will during system work
The original ocean temperature data that different DS18B20 digital temperature sensors on different depth obtains is taken to（3）In obtain
In the middle of calibration function, the output valve of function as calibrated after temperature data, be high-precision ocean temperature data.Through
Experiment test, can make the range of error of DS18B20 digital temperature sensor less in amount of calculation using least square fitting calibration
In the case of narrow down to≤0.2 DEG C, using 3 order polynomial fitted calibration increase amount of calculation in the case of can make DS18B20 number
The error of word temperature sensor narrows down to≤0.1 DEG C.
Described least square fitting calibration algorithm is as follows：If
If the linearity error model of DS18B20 digital temperature sensor is：, wherein, it is measured value, be actual value（Temperature chamber sets
Constant temperature angle value）, K is the linearity error correction factor varying with temperature, and c is error compensation parameter.Taking -10 ~ 40 DEG C as a example, successively
Take：-10,-7.5,-5.0,-2.5,0,2.5,5.0,7.5,10.0,12.5,15.0,17.5,20.0,22.5,25.0,27.5,
30.0,32.5,35.0,37.5,40.0（℃）, 21 temperature spots.
Define matrix
The normal equation system of linear fitFor
Obtain：
I.e. calibration function between -10 ~ 40 DEG C for this sensor is
Change DS18B20 sensor in the same manner, increase temperature range, other sensors can be obtained successively in bigger temperature range
Calibration function.Cubic polynomial fitted calibration principle repeats no more.
Anchor system unit 3 includes anchor body 8, and anchor body 8 is with cavity and the metallic object that seals, arranges power module in cavity
9 and battery 10, anchor body 8 upper end is provided with cable for measuring temperature unit sealed interface, and anchor system unit 3 passes through the sealing of cable for measuring temperature unit and connects
Mouth is connected with the downward serial interface of least significant end thermometric single-unit 6.Anchor body 8 is upper length of side 20cm, lower length of side 40cm, the long 50cm of hypotenuse
Sealing steel construction truncated rectangular pyramids structure, power module 9 includes voltage-dropping type DC/DC switching power source chip, output voltage be 3.3V and
5V, provides efficient, accurate, reliable power supply for each formant of system.Battery 10 is 12V, 100 Ah lithium batteries, can stably prop up
Hold system operation 1 year.
Ocean temperature depth section detection steps based on this system are described below：
Step one：Test system building
According to Hai Shen, N number of thermometric single-unit 6 is selected to form cable for measuring temperature unit 2, according to buoy unit 1, cable for measuring temperature unit 2 and
The test system that is linked in sequence of anchor system unit 3, anchor system unit 3 throws in heavy sea, and buoy unit 1 floats, anchor system unit 3 and buoy list
Cable for measuring temperature unit 2 is stretched fixation by unit 1；
Step 2：Hai Wenhai depth data acquisition
The data acquisition module of each section of thermometric single-unit 6 enters working condition under the control of system control module, and system controls mould
Each cycle T of block sends the instruction of a gathered data to each thermometric single-unit 6, the temperature sensor on each thermometric single-unit 6
Array and pressure transducer complete the temperature data acquisition of different Hai Shen, and constant duration gathers n time, each data acquisition module
Respectively the temperature depth data of this section of thermometric single-unit 6 is uploaded in system control module according to this section of thermometric single-unit 6 numbering；
Step 3：Gathered data is processed
System control module is calculated the depth letter of each temperature sensor first according to the depth information of each section of thermometric single-unit 6
Breath, each temperature sensor concrete depth computing method in the seawater is as follows, it is first determined goes out this DS18B20 digital temperature and passes
Sensor, in which section cable for measuring temperature, obtains sequence number ID in this section of cable for this sensor, then according to this section of cable head pressure
The reading of force transducer and the reading of hypomere cable for measuring temperature head pressure sensor, calculate this section of cable head in the seawater
Depth is, afterbody depth in the seawater is, according to, obtain respective sensor position in the seawater
Put.
Test each temperature sensor corresponding calibration function obtaining when designing according to thermometric single-unit 6 in advance, be somebody's turn to do
Accurate temperature data at thermometric single-unit 6 different depth, system control module by receive different thermometric single-units 6 multiple temperature
Data preserves and is averaging, and the temperature data after being processed compression by satellite communication module 5 is sent to bank base Surveillance center, bank
Base monitoring center obtains the ocean temperature depth profile information of this piece marine site real-time change using interpolation algorithm or model.
In step 2 described above, the transmission of data adopts force transfer mode, i.e. least significant end, i.e. N thermometric list
The temperature depth data that itself is gathered by section 6 uploads in oneself upper adjacent data acquisition module of N-1 thermometric single-unit 6,
The data acquisition module of N-1 thermometric single-unit 6 is by the temperature depth of the temperature depth data of itself and N thermometric single-unit 6
Data merges in the data acquisition module uploading to N-2 thermometric single-unit 6, by that analogy, by the temperature of all thermometric single-units 6
Depth data be incorporated into topmost, i.e. in the data acquisition module of No. 1 thermometric single-unit 6, finally by the temperature of all thermometric single-units 6
Degree depth data is uploaded in system control module；It is contrary with said process that system control module assigns gathered data instruction.
In order to improve certainty of measurement, laying multigroup test system with a piece of marine site according to step one methods described, working in coordination with
Networking collecting temperature depth data, collects temperature depth data to bank base Surveillance center.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art pass through to read description of the invention
And any equivalent conversion that technical solution of the present invention is taken, the claim being the present invention covered.
Claims (8)
1. the ocean temperature depth section detection system based on combination type high precision measuring temperature cable it is characterised in that：Including being sequentially connected
The buoy unit of communication（1）, cable for measuring temperature unit（2）With anchor system unit（3）；
Described buoy unit includes buoy float（4）Be fixedly installed on buoy float（4）Interior system control module, system controls
Module includes single-chip minimum system（7）And with single-chip minimum system（7）The satellite communication module connecting（5）；
Cable for measuring temperature unit（2）By multiple thermometric single-units（6）Head and the tail are followed in series to form, each thermometric single-unit（6）It is independence
Subsystem, including cable, serial interface, data acquisition module, array of temperature sensor, multiple pressure are accessed on cable
Sensor and downward serial interface, the upper serial interface of top thermometric single-unit is connected with buoy unit；
Described anchor system unit（3）Including anchor body（8）, anchor body（8）It is with cavity and the metallic object that seals, arrange in cavity
Power module（9）And battery（10）, anchor body（8）Upper end is provided with cable for measuring temperature unit sealed interface, anchor system unit（3）By surveying
Warm cable unit sealed interface and least significant end thermometric single-unit（6）Downward serial interface connect.
2. the ocean temperature depth section detection system based on combination type high precision measuring temperature cable according to claim 1, it is special
Levy and be：Described single-chip minimum system（7）Including MSP430 single-chip microcomputer, jtag interface, RS485 interface, RS232 interface,
Power-switching circuit, reset circuit and external crystal-controlled oscillation；Described satellite communication module（5）For Beidou communication RDSS/RNSS/B1
Short message all-in-one module, it is mono- with MSP430 that Beidou communication RDSS/RNSS/B1 short message all-in-one module passes through RS232 interface
Piece machine connection communication.
3. the ocean temperature depth section detection system based on combination type high precision measuring temperature cable according to claim 1 and 2, its
It is characterised by：Described data acquisition module is arranged on thermometric single-unit（6）Cable upper end, data acquisition module includes MSP430
Single-chip microcomputer, jtag interface, RS485 interface, reset circuit, monobus drive circuit, power-switching circuit and external crystal-controlled oscillation；Described
Array of temperature sensor include multiple DS18B20 digital temperature sensors being fixedly installed at equal intervals on cable；Described
Pressure transducer is the digital pressure sensor with RS485 interface, and setting number is two, and two pressure transducers set respectively
Be placed in upper end and the end of cable, two pressure transducers respectively with array of temperature sensor in topmost and bottom
DS18B20 digital temperature sensor is contour.
4. the ocean temperature depth section detection system based on combination type high precision measuring temperature cable according to claim 3, it is special
Levy and be：Described anchor body（8）For upper length of side 20cm, lower length of side 40cm, the sealing steel construction truncated rectangular pyramids structure of the long 50cm of hypotenuse,
Power module（9）Including voltage-dropping type DC/DC switching power source chip, output voltage is 3.3V and 5V, battery（10）For 12V, 100
Ah lithium battery.
5. a kind of ocean temperature depth section detection system based on combination type high precision measuring temperature cable according to claim 1,
It is characterized in that：Described cable includes cable core and the silica gel line protective layer of cladding cable core, and cable core is made up of 6 pairs of twisted-pair feeders, and 6 is right
It is provided with reinforcement between twisted-pair feeder.
6. a kind of ocean temperature depth section detection system based on combination type high precision measuring temperature cable according to claim 1,
It is characterized in that：Ocean temperature depth section detection steps based on this system are as follows：
Step one：Test system building
According to Hai Shen, select N number of thermometric single-unit（6）Composition cable for measuring temperature unit（2）, according to buoy unit（1）, cable for measuring temperature list
Unit（2）With anchor system unit（3）The test system that is linked in sequence, anchor system unit（3）Throw in heavy sea, buoy unit（1）Float, anchor system
Unit（3）With buoy unit（1）By cable for measuring temperature unit（2）Stretch fixation；
Step 2：Raw data acquisition
Each section of thermometric single-unit（6）Data acquisition module enter working condition under the control of system control module, system controls
Each cycle T of module is to each thermometric single-unit（6）Send the instruction of a gathered data, each thermometric single-unit（6）On temperature
Sensor array and pressure transducer complete the temperature data acquisition of different Hai Shen, and constant duration gathers n time, and each data is adopted
Collection module is respectively by this section of thermometric single-unit（6）Temperature depth data according to this section of thermometric single-unit（6）Numbering is uploaded to system control
In molding block；
Step 3：Gathered data is processed
System control module is first according to each section of thermometric single-unit（6）Depth information be calculated the depth of each temperature sensor
Information, according to thermometric single-unit（6）Test each temperature sensor corresponding calibration function obtaining during design in advance, obtain this survey
Warm single-unit（6）Accurate temperature data at different depth, the different thermometric single-units that system control module will receive（6）Multiple temperature
Degrees of data preserves and is averaging, by satellite communication module（5）Temperature data after compression is processed is sent in bank base monitoring
The heart, bank base Surveillance center obtains the ocean temperature depth profile information of this piece marine site real-time change using interpolation algorithm or model.
7. a kind of ocean temperature depth section detection system based on combination type high precision measuring temperature cable according to claim 6,
It is characterized in that：Laying multigroup test system with a piece of marine site according to step one methods described, collaborative networking collecting temperature is deep
Degrees of data, collects temperature depth data to bank base Surveillance center.
8. the ocean temperature depth section detection system based on combination type high precision measuring temperature cable according to claim 6 or 7, its
It is characterised by：In described step 2, least significant end, i.e. N thermometric single-unit（6）The temperature depth data that itself is gathered uploads to
Oneself upper adjacent N-1 thermometric single-unit（6）Data acquisition module in, N-1 thermometric single-unit（6）Data acquisition module
By the temperature depth data of itself and N thermometric single-unit（6）Temperature depth data merge upload to N-2 thermometric single-unit
（6）Data acquisition module in, by that analogy, by all thermometric single-units（6）Temperature depth data be incorporated into topmost, i.e. the
No. 1 thermometric single-unit（6）Data acquisition module in, finally by all thermometric single-units（6）Temperature depth data be uploaded to system
In control module；It is contrary with said process that system control module assigns gathered data instruction.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090187369A1 (en) * | 2008-01-23 | 2009-07-23 | University Of Delaware | Estimation of subsurface thermal structure using sea surface height and sea surface temperature |
| CN104132753A (en) * | 2014-07-31 | 2014-11-05 | 中国水产科学研究院东海水产研究所 | Intelligent early-warning method for temperature disaster in natural water fish culturing |
| CN204202759U (en) * | 2014-09-24 | 2015-03-11 | 长城信息产业股份有限公司 | A kind of bottom-water temperature sniffer |
| CN105783887A (en) * | 2016-05-31 | 2016-07-20 | 中国科学院声学研究所南海研究站 | Marine hydrologic monitoring system based on Beidou satellite system |
-
2016
- 2016-09-26 CN CN201610850206.2A patent/CN106404222B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090187369A1 (en) * | 2008-01-23 | 2009-07-23 | University Of Delaware | Estimation of subsurface thermal structure using sea surface height and sea surface temperature |
| CN104132753A (en) * | 2014-07-31 | 2014-11-05 | 中国水产科学研究院东海水产研究所 | Intelligent early-warning method for temperature disaster in natural water fish culturing |
| CN204202759U (en) * | 2014-09-24 | 2015-03-11 | 长城信息产业股份有限公司 | A kind of bottom-water temperature sniffer |
| CN105783887A (en) * | 2016-05-31 | 2016-07-20 | 中国科学院声学研究所南海研究站 | Marine hydrologic monitoring system based on Beidou satellite system |
Cited By (19)
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|---|---|---|---|---|
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