CN205919910U - From floating seabed temperature detect system - Google Patents
From floating seabed temperature detect system Download PDFInfo
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- CN205919910U CN205919910U CN201620140354.0U CN201620140354U CN205919910U CN 205919910 U CN205919910 U CN 205919910U CN 201620140354 U CN201620140354 U CN 201620140354U CN 205919910 U CN205919910 U CN 205919910U
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Abstract
The utility model discloses a from floating seabed temperature detect system, including seabed signal acquisition basic station and thermoprobe, but thermoprobe repetitious usage fully contact with the sea water, the inside temperature detect unit of placing of thermoprobe, the combination of temperature detect unit is convenient nimble, data signal output can effectively improve data quality, the instrument rate of recovery has been guaranteed to seabed signal acquisition basic station, has reduced ocean temperature and has surveyed the risk. From floating seabed temperature detect system both can also can survey the seabed temperature in the abysmal area in the neritic area, stayed the extra large chronic long -term seabed temperature detect that is favorable to.
Description
Technical field
The present invention relates to sea habitata detection technical field is and in particular to a kind of bottom-water temperature detection system.
Background technology
It is the important means of geophysical method that bottom-water temperature detects, the result of detection of the especially thermograde of heat flux regions can directly reflect the Heat transmission process of earth interior, help we carry out geodynamics, in earth interior thermal drivers framework evolutionary process research, detecting for mineral resources such as sea-bottom oil-gas provides assessment foundation.
Bottom-water temperature detects and mainly detects to realize by oil drilling thermometric and heat flow of ocean floor meter at present.Wherein oil drilling thermometric is mainly carried out in petroleum region and neritic area, and operating condition limits many, costly and efficiency is low；Heat flow of ocean floor meter is simple to operate, in hgher efficiency compared with oil drilling thermometric, mainly carries out bottom-water temperature detection using heat flow of ocean floor meter in the world.During operation, heat flow of ocean floor meter is placed in water by wirerope, under gravity in insertion bottom sediment, after the probe of heat flow of ocean floor meter reaches stable state with bottom sediment contact position temperature, bottom-water temperature is measured by internal temperature-sensitive element, reclaimed by wirerope after being measured.Heat flow of ocean floor meter mainly includes three types: bullard type, ewing type and lister type at present.Three's common feature is all to discharge by wirerope to reclaim, the diverse location of the temperature-sensitive element inwall in reinforcing pipe for the carry or steel lance outer wall at certain intervals, and temperature-sensitive element is simultaneously connected to recording unit, and recording unit is placed on independent pressure resistant vessel interior sealing.Heat flow of ocean floor meter can more conveniently measure the bottom-water temperature within km, but increase detection difficulty with depth and lifted at double, and efficiency reduces and risk greatly increases.The probe of heat flow of ocean floor meter can cause frictional heat during insertion deposit, the specifically steady time bad grasp of heat, the bottom-water temperature of some specified sea areas is affected to present the situation of acute variation in time by earth interior simultaneously, needs heat flow of ocean floor meter to stay sea for a long time to obtain accurate temperature information.In addition, in the course of the work, surveying vessel is affected by surge to drift about heat flow of ocean floor meter, in the presence of wirerope heat flow of ocean floor meter seabed position it may happen that change, even result in the damage of heat flow of ocean floor meter and cause operation failure, this all proposes new problem to the application of heat flow of ocean floor meter.
In view of oil drilling thermometric and the heat flow of ocean floor meter topical type in bottom-water temperature detection process, use for reference the ripe input recovery technology of current submarine seismograph it is necessary to a kind of recovery of research and development is convenient, stay extra large time length, small volume to be easy to carry out the self-floating bottom-water temperature detection system that high-volume bottom-water temperature detects.
Content of the invention
For the deficiencies in the prior art, provide a kind of bottom-water temperature detection system, the demand to meet marine geophysical survey for the bottom-water temperature detection system that its structure is simple, self-floating reclaims, be suitable for long-term bottom-water temperature detects.
For reaching above-mentioned purpose, the technical solution of invention is as follows:
A kind of self-floating bottom-water temperature detection system, including seabed signals collecting base station 24 and thermoprobe 4.Wherein seabed signals collecting base station 24 includes uncoupling rigging 1, instrument room 2 and heavy coupling frame 5；Instrument room 2 includes internal single glass cabin ball 10 and outer protection shell 13；Glass cabin ball 10 is provided with four core watertight sockets 6, and seabed signals collecting base station 24 is connected by a rs485 bus 7 with thermoprobe 4.Two parts about 13 points of glass cabin ball outer protection shell, both are fixed by multiple bolts, and thermoprobe 4 is bolted on outer protection shell 13 bottom；Uncoupling rigging 1 is installed on outer protection shell 13 top, and instrument room 2 is overall to be positioned on heavy coupling frame 5；Heavy coupling frame 5 is square frame shape, and middle part is provided with rigid metal annulus, and square frame is connected with rigid metal annulus by four girder steels, hollow between metal ring, girder steel, heavy coupling frame square frame, and thermoprobe 4 passes through in the middle of metal ring 18.
In self-floating bottom-water temperature detection system; thermoprobe 4 is vertically fixed in outside containment vessel 13 bottom by bolt; glass cabin ball 10 and thermoprobe 4 tail end respectively have four core watertight sockets; both are connected by a rs485 bus 7, and bus is divided into power line, ground wire, data wire a data line b.Thermoprobe 4 main body is cylindrical, long 1～1.5 meter, 3 centimetres of diameter, 0.5 centimetre of wall thickness, and front end is in coniform, and thermoprobe tail end is provided with four core watertight sockets；Thermoprobe 4 main part is provided with multiple circular holes 23, and sea water can flow freely inside and outside thermoprobe.
Further, thermoprobe 4 is internal places multiple temperature detecting unit 21, and temperature detecting unit 21 passes through the 2nd rs485 bus 20 and connects simultaneously lowering inside thermoprobe 4.The internal temperature collection circuit 22 placing integrated negative tempperature coefficient thermistor of temperature detecting unit 21.Temperature detecting unit 21 is cylindrical, integral sealing, four core watertight sockets are respectively arranged at column top and bottom, can individually connect seabed signals collecting base station 24 work also can multiple concatenation after connect seabed signals collecting base station 24 work, the detection of bottom-water temperature gradient can be carried out after concatenation.When detecting bottom-water temperature gradient, appropriate length rs485 bus can be selected according to demand, seabed signals collecting base station carries out, by rs485 bus and thermoprobe internal temperature probe unit, the data transmission that communicates.
In addition, temperature detecting unit 21 is internally integrated complete temperature collection circuit (22), can direct output digit signals, digital signal and is stored by rs485 bus transfer in seabed signals collecting base station 24, and seabed signals collecting base station is passed through rs485 bus marco temperature detecting unit 21 working time and determined the running parameters such as sample rate.
Using technical scheme, can have the advantages that
1st, only it is connected with the rs485 bus comprising four wires between seabed signals collecting base station and warm thermoprobe in the present invention, reduce underwater electrical connector crossing cabin difficulty.Can be communicated with the temperature detecting unit of more than 10 inside thermoprobe using single glass cabin ball simultaneously, solve a difficult problem for bottom-water temperature detection system miniaturization.
2nd, the temperature detecting unit internal temperature Acquisition Circuit that the present invention provides is integrated with negative tempperature coefficient thermistor, negative tempperature coefficient thermistor remolding sensitivity platinum resistance in bottom-water temperature interval (0 DEG C -10 DEG C) is higher, achievable bottom-water temperature detected with high accuracy.Temperature collection circuit achieves the numeral output of sample point temperature, avoid the long interference causing of transmission range between critesistor and data board in traditional heat-flow meter probe, especially when detecting bottom-water temperature gradient, due to needing to temperature multidraw, analogue signal transmission range can be further resulted in lengthen at double, the present invention can effectively improve the acquisition quality of data.
3rd, the self-floating bottom-water temperature detection system that the present invention provides improves the instrument response rate, reduces ocean temperature and detects risk, both can also detect bottom-water temperature in abysmal area in neritic area.Comparing conventional subsea heat-flow meter stays the extra large time longer, is conducive to long-term bottom-water temperature data acquisition；Small volume, easy and simple to handle be conducive to carry out high-volume bottom-water temperature detect operation.
Brief description
Fig. 1 is the perspective view of the self-floating bottom-water temperature detection system according to the present invention；
Fig. 2 is the self-floating bottom-water temperature detection system cross-sectional view according to the present invention；
Fig. 3 is the heavy coupling frame schematic diagram of self-floating bottom-water temperature detection system according to the present invention；
Fig. 4 be according to the present invention self-floating bottom-water temperature detection system in thermoprobe generalized section；
Fig. 5 be according to the present invention self-floating bottom-water temperature detection system temperature detecting unit in temperature collection circuit structured flowchart；
Fig. 6 be according to the present invention self-floating bottom-water temperature detection system temperature detecting unit temperature collection circuit in signal amplifying part parallel circuit figure；
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into the scope of protection of the invention.
A kind of self-floating bottom-water temperature detection system, including seabed signals collecting base station 24 and thermoprobe 4.Wherein signals collecting base station in seabed includes uncoupling rigging 1, instrument room 2 and heavy coupling frame 5；Instrument room 2 includes internal single glass cabin ball 10 and outer protection shell 13；Glass cabin ball 10 is provided with four core watertight sockets 6, and seabed signals collecting base station 24 is connected by a rs485 bus 7 with thermoprobe 4.Two parts about 13 points of glass cabin ball outer protection shell, both are fixed by multiple bolts, and thermoprobe 4 is bolted on outer protection shell 13 bottom；Uncoupling rigging 1 is installed on outer protection shell 13 top, and instrument room 2 is overall to be positioned on heavy coupling frame 5；Heavy coupling frame 5 is square frame shape, and middle part is provided with rigid metal annulus, and square frame is connected with rigid metal annulus by four girder steels, hollow between metal ring, girder steel, heavy coupling frame square frame, and thermoprobe 4 passes through in the middle of metal ring 18.
Wherein, seabed signals collecting base station 24 has been internally integrated direction sensor 15 and attitude transducer 16, inserts the tilt condition behind seabed for obtaining thermoprobe 4.Preferably, the present invention adopts hmr3200 type direction sensor, 1 ° of directional precision, 0.1 ° of resolution.Thermoprobe 4 is bolted on outer protection shell 13 bottom, and glass cabin ball 10 and thermoprobe 4 tail end are respectively had four core watertight sockets, connected by rs485 bus, bus is divided into power line, ground wire, data wire a data line b.Bus power source voltage is 5.2v, for ensureing temperature detecting unit power good, adds mu balanced circuit in temperature detecting unit 21.
Thermoprobe 4 main body in the present invention is cylindrical, long 1～1.5 meter, 3 centimetres of diameter, 0.5 centimetre of wall thickness, and front end is in coniform, and tail end is provided with four core watertight sockets 19；Thermoprobe main part is provided with multiple circular holes 23, and sea water can be in the inside and outside free-flowing of thermoprobe 4；Thermoprobe 4 is internal to place multiple temperature detecting unit 21, and temperature detecting unit 21 connects lowering inside thermoprobe 4 by the 2nd rs485 bus 20.The internal temperature collection circuit 22 placing integrated negative tempperature coefficient thermistor of temperature detecting unit 21, the negative tempperature coefficient thermistor being adopted change in resistance scope when 0 DEG C to 10 DEG C is about 15.4 kilo-ohms to 9.7 kilo-ohms, higher with platinum resistance phase specific sensitivity, it is easy to the detected with high accuracy of bottom-water temperature.Power consumption in order to save temperature detecting unit 21 is beneficial to long-time bottom-water temperature and detects, and employs lpc812 microcontroller, only 16 pins in temperature collection circuit, and pin function can realize function switching.In the present invention, pin 1 is assigned as the choosing of ad piece, and pin 2 is assigned as ad clock signal, and pin 7 is assigned as ad input signal, pin 8 is assigned as ad output signal, pin 14 is assigned as rs485 bus-in singal, and pin 15 is assigned as max485 chip selection signal, and pin 16 is assigned as rs485 bus-out signal.Lpc812 carries uart (universal asynchronous receiving-transmitting transmitter), and comprises address register, can be separately provided address.The temperature data that temperature detecting unit 21 obtains is sent by uart by lpc812 after amplification, analog digital conversion, is modulated into rs485 mode bus through max485 chip and is transmitted.Temperature detecting unit 21 is cylindrical, integral sealing, four core watertight sockets are respectively arranged at column top and bottom, can individually connect seabed signals collecting base station 24 work also can multiple concatenation after connect seabed signals collecting base station 24 work, the detection of bottom-water temperature gradient can be carried out after concatenation.When detecting bottom-water temperature gradient, appropriate length rs485 bus can be selected according to demand, seabed signals collecting base station 24 is passed through rs485 bus and carried out, with temperature detecting unit 21, the data transmission that communicates.Specific works pattern is, seabed signals collecting base station 24 is passed through rs485 bus and temperature detecting unit 21 address needing to obtain data is sent to all temperature detecting unit 21, when temperature detecting unit 21 judges that contained by acquisition information, address is identical with oneself, internal microcontroller lpc812 controls temperature collection circuit 22 to work, and the temperature data collecting is transferred to seabed signals collecting base station 24, if address is not inconsistent with oneself, do not carry out any operation to save power consumption.
Further, temperature detecting unit 21 has been internally integrated complete temperature collection circuit 22, can direct output digit signals, signal and is stored by rs485 bus transfer in seabed signals collecting base station 24, and seabed signals collecting base station 24 is passed through rs485 bus marco temperature detecting unit 21 working time and determined the running parameters such as sample rate.
Specifically, give below in conjunction with the accompanying drawings further to describe in detail.
As shown in Figure 1, it is self-floating bottom-water temperature detection system three-dimensional structure diagram, including seabed signals collecting base station 24 and thermoprobe 4.Seabed signals collecting base station 24 includes uncoupling rigging 1, instrument room 2 and heavy coupling frame 5；Instrument room 2 includes internal single glass cabin ball 10 and outer protection shell 13；Instrument room 2 is positioned on heavy coupling frame 5, and uncoupling rigging 1 is positioned over above instrument room 2, and four wirerope 3 one end are fixed at the fixed interface of uncoupling rigging, and the other end is locked at heavy coupling frame 5 using nut 8, and instrument room 2 is fixing with heavy coupling frame 5.Thermoprobe 4 is bolted on instrument room outer protection shell 13 bottom, vertically passes through in the middle of metal ring 18.
Described self-floating bottom-water temperature detection system structure is simple, small volume, is easy to operation on the sea and carries out large batch of bottom-water temperature detection operation.
As accompanying drawing 2; 17 inches of glass cabin balls that vitrovex company produces selected by glass cabin ball 10; for loading and protecting the parts such as internal circuit, set of cells and provide buoyancy in removal process, glass cabin ball 10 highest bears pressure 6500 meters, can achieve that the bottom-water temperature in overwhelming majority marine site detects.Glass cabin ball 10 is made up of upper and lower two hemisphere, and centre is sealed by clay and adhesive tape, and keeps glass cabin ball 10 internal negative pressure to ensure that after 2 times water of instrument room, sealing is good.Underwater sound sensor 9 is installed on the top of glass cabin ball 10, carries out underwater acoustic communication by underwater sound signal and outside.Four core watertight socket 6 crossing cabin is arranged on glass cabin ball 10 outer wall, is connected with thermoprobe by a rs485 bus 7.Fixed support 12 and coupling support 17 are fixed on inside glass cabin ball 10, and coupling support 17 is arranged on below fixed support 12.Data acquisition unit 11 is arranged on above fixed support, and set of cells 14 is fitted around in fixed support 12 and glass cabin ball 10 side coupling in the middle of support 17, places 10 groups of 10ah battery altogether it is ensured that seabed signals collecting base station 24 continuously works more than 6 months.Set of cells 14 is uniformly placed in glass cabin ball 10 simultaneously, makes instrument keep balancing in sinking watching.Outer protection shell 13 is divided into upper and lower two parts, is fixed by multiple bolts in the middle of both, plays the effect of protection inner glass cabin ball 10, and is used for fixing thermoprobe 4.
Direction sensor 15 is fixed on above coupling support 17 with attitude transducer 16, direction sensor 15 is used for detecting seabed signals collecting base station 24 direction deflection angle, using hmr3200 type direction sensor using Honeywell magnetoresistive transducer design reach small size and high-reliability and precision, precision controlling at 1 °, 0.1 ° of resolution.Attitude transducer 16 is used for detecting the angle of inclination of seabed signals collecting base station 24 and thermoprobe 4 relative level, is easy to later stage calculating bottom-water temperature gradient.The present invention adopts adxl345 type attitude transducer, is digital accelerometer, and maximum detection scope ± 16g, highest resolution 3.9mg/lsb can detect the angle change less than 1.0 °.
As accompanying drawing 3, the heavy coupling frame 5 employed in the present invention is welded for steel material, scribbles antirust coat above.Heavy coupling frame 5 is square frame shape, and middle part is provided with rigid metal annulus 18, and instrument room 2 is placed on metal ring 18.Square frame is connected with metal ring 18 by four girder steels, hollow between metal ring, girder steel, heavy coupling frame square frame, and thermoprobe 4 passes through in the middle of metal ring 18.Heavy coupling frame square frame corner is respectively welded with a diameter 120mm, the guide shell of height 150mm, can carry out water conservancy diversion to sea water in instrument sinking watching, makes instrument keep plumbness in dropping process.Guide shell is also beneficial to seabed signals collecting base station 24 and will not be absorbed among bottom silt easily simultaneously.Also it is welded with cylindric guide shell below metal ring 18, ensure that probe is inserted perpendicularly into during being conducive to thermoprobe 4 insertion bottom sediment, and thermoprobe 4 is played a protective role.Heavy coupling frame 5 is abandoned by uncoupling rigging 1 after receiving recovery command in seabed signals collecting base station 24, realizes self-floating using the buoyancy that instrument room 2 provides and reclaims.
This embodiment is not shown specifically uncoupling rigging 1 in Figure of description, and its concrete structure refers to the applicant's disclosed technical data already.
As accompanying drawing 4, it is thermoprobe 4 generalized section in self-floating bottom-water temperature detection system.Thermoprobe 4 shell is stainless steel material, and main body is cylindrical, long 1～1.5 meter, 3 centimetres of diameter, 0.5 centimetre of wall thickness, and front end is in coniform, thermoprobe 4 inner hollow, and tail end is provided with four core watertight sockets 19；Thermoprobe 4 main part is provided with multiple circular holes 23, and sea water is flowed freely by circular hole 23, consistent with outside to ensure thermoprobe 4 internal temperature.Thermoprobe 4 is internal to place multiple temperature detecting unit 21, and temperature detecting unit 21 is internal to include temperature collection circuit 22.Temperature detecting unit 21 is cylindrical, integral sealing, four core watertight sockets are respectively arranged at column top and bottom, pass through the 2nd rs485 bus 20 and are connected, temperature detecting unit 21 connects lowering inside thermoprobe 4 by the 2nd rs485 bus 20 between temperature detecting unit 21.
As accompanying drawing 5, it is temperature collection circuit structured flowchart in temperature detecting unit.Temperature detecting unit 21 is internal to be included complete temperature collection circuit 22 amplitude of variation is little and the feature of many low frequency variations it is considered to bottom-water temperature signal has, and needs to carry out key design to temperature collection circuit 22 to obtain reliable bottom-water temperature information.Temperature collection circuit 22 includes the composition such as resistance bridge circuit, amplifier chip ad8553, analog-digital converter chip ad7791, reference voltage chip max6126, microprocessor chip lpc812, rs485 bus chip max485.Selected chip all has good low temp rising high precision characteristic, the present invention adopts max6126 as reference voltage chip, low-frequency voltage noise (0.1hz-10hz) is only 1.45 μ v peak-to-peak values, temperature drift is only 0.5ppm/ DEG C, it is not only analog-digital converter ad7791 and provides reference voltage, power for resistance bridge circuit simultaneously, the error that reference voltage ripple causes can be eliminated using same reference power supply.Ad8553 is Auto zeroing instrument amplifier, and offset voltage drifts about as v/ DEG C of 0.1 μ, and voltage noise is only 0.7 μ v peak-to-peak value (0.01hz to 10hz), is particularly suitable for low frequency signal and amplifies.Ad7791 is 24bit high-precision adc, and output can change in the range of 9.5hz to 120hz, and during output 9.5hz, effective accuracy can reach 22bit.The differential signal of resistance bridge output carries out analog digital conversion by ad7791 after ad8553 amplification, and the digital signal after analog digital conversion is sent to seabed signals collecting base station 24 through max485 by rs485 bus by microcontroller lpc812.
As accompanying drawing 6, it is signal amplifying part parallel circuit in temperature collection circuit, resistance r1, r2, r4, r5 constitute resistance bridge network.For reducing circuit noise, in circuit, adopt Low Drift Temperature high precision film resistor.Specifically, r5 from susumu company numbering be rg2012l-103-l-t05 10k film resistor, tolerance be 0.01%, temperature coefficient be 2ppm/ DEG C；R1, r2 from susumu company numbering be rg2012l-102-l-t05 1k film resistor, tolerance 0.01%, temperature coefficient be 2ppm/ DEG C；Resistance r3 selects the 20k film resistor of vishay company's numbering plt0805z2002ast5, and resistance r6 adopts the 100k film resistor that vishay company's numbering is tnpu0805100kazen00.Resistance r3 one end connects the 1st foot of ad8553, and the other end connects the 10th foot of ad8553；After resistance r6 parallel connection c9, one end connects the 4th foot of ad8553, and one end connects the 5th foot of ad8553；R3, r6 amplify reference resistance as ad8553, can change amplification coefficient by changing resistance r3, r6, in the present invention, amplification coefficient is set to 10 according to formula 2*r6/r3.Resistance r7 one end connects the 5th foot of ad8553, and one end connects electric capacity c8, to the signal filtration after amplifying through ad8553, filters high-frequency signal noise, the analogue signal after amplification subsequently carries out analog digital conversion.
Self-floating bottom-water temperature detection system specific workflow is as follows:
1st, surveying vessel drives to specified marine site, carries out state-detection to self-floating bottom-water temperature detection system it is ensured that instrument reaches into sea requirement.
2nd, self-floating bottom-water temperature detection system obtains gps information, and staff can interact setting temperature detecting unit running parameter.
3rd, self-floating bottom-water temperature detection system is put in water, it sinks to seabed under gravity and so that thermoprobe is inserted in bottom sediment.Instrument starts bottom-water temperature and detects, seabed signals collecting base station grapher attitude information simultaneously.
When the 4th, reclaiming, surveying vessel is communicated with underwater sound sensor in the signals collecting base station of seabed in input marine site by sonar and is sent back receipts instruction.After seabed signals collecting base station receives instruction, uncoupling rigging is started working, and after about 5 minutes, wirerope and seabed signals collecting base station depart from, and heavy coupling frame is dropped, and seabed signals collecting base station rises to sea together with thermoprobe under buoyancy, and measured ship reclaims.
5th, the data extracting record is analyzed processing.
The above; it is only the present invention preferably specific embodiment; but protection scope of the present invention is not limited thereto; in the technical scope that the embodiment of the present invention discloses, the change or replacement that can readily occur in all should be included within the scope of the present invention any those familiar with the art.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of self-floating bottom-water temperature detection system, it includes seabed signals collecting base station (24) and thermoprobe (4)；
It is characterized in that, seabed signals collecting base station (24) includes uncoupling rigging (1), instrument room (2) and heavy coupling frame (5)；Instrument room (2) includes internal single glass cabin ball (10) and outer protection shell (13)；Glass cabin ball (10) is provided with four cores watertight socket (6), and seabed signals collecting base station (24) is connected by a rs485 bus (7) with thermoprobe (4).
2. self-floating bottom-water temperature detection system according to claim 1 is it is characterised in that seabed signals collecting base station (24) has been internally integrated direction sensor (15) and attitude transducer (16).
3. self-floating bottom-water temperature detection system according to claim 1; it is characterized in that; two parts about glass cabin ball outer protection shell (13) point; two parts are fixed by multiple bolts up and down, and thermoprobe (4) is bolted on outer protection shell (13) bottom.
4. it is characterised in that uncoupling rigging (1) is installed on outer protection shell (13) top, instrument room (2) is integrally positioned on heavy coupling frame (5) self-floating bottom-water temperature detection system according to claim 1.
5. self-floating bottom-water temperature detection system according to claim 1, it is characterized in that, heavy coupling frame (5) is square frame shape, middle part is provided with rigid metal annulus, square frame is connected with rigid metal annulus by four girder steels, hollow between metal ring, girder steel, heavy coupling frame square frame, thermoprobe (4) passes through in the middle of metal ring (18).
6. self-floating bottom-water temperature detection system according to claim 1; it is characterized in that; thermoprobe (4) is vertically fixed in outside containment vessel (13) bottom by bolt; glass cabin ball (10) and thermoprobe (4) tail end respectively have four core watertight sockets; both are connected by a rs485 bus (7), and rs485 bus is divided into power line, ground wire, data wire a data line b.
7. self-floating bottom-water temperature detection system according to claim 1 is it is characterised in that thermoprobe (4) main body is cylindrical, long 1～1.5 meter, 3 centimetres of diameter, 0.5 centimetre of wall thickness, front end is in coniform, and thermoprobe tail end is provided with four core watertight sockets；Thermoprobe (4) main part is provided with multiple circular holes (23), and sea water can flow freely inside and outside thermoprobe.
8. self-floating bottom-water temperature detection system according to claim 1 and 2, it is characterized in that, multiple temperature detecting unit (21) are placed, temperature detecting unit (21) passes through the 2nd rs485 bus (20) connection and lowering is internal in thermoprobe (4) inside thermoprobe (4).
9. self-floating bottom-water temperature detection system according to claim 8 is it is characterised in that place the temperature collection circuit 22 of integrated negative tempperature coefficient thermistor inside temperature detecting unit (21)；Temperature detecting unit (21) is cylindrical, integral sealing, four core watertight sockets are respectively arranged at column top and bottom, seabed signals collecting base station (24) work can individually be connected and also can connect seabed signals collecting base station (24) work after multiple concatenations, the detection of bottom-water temperature gradient after concatenation, can be carried out.
10. the self-floating bottom-water temperature detection system according to Claims 2 or 3, it is characterized in that, temperature detecting unit (21) is internally integrated complete temperature collection circuit (22), digital signal and is stored by rs485 bus transfer in seabed signals collecting base station (24), and seabed signals collecting base station is passed through rs485 bus marco temperature detecting unit (21) working time and determined the running parameters such as sample rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140354.0U CN205919910U (en) | 2016-02-25 | 2016-02-25 | From floating seabed temperature detect system |
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| CN201620140354.0U CN205919910U (en) | 2016-02-25 | 2016-02-25 | From floating seabed temperature detect system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547515A (en) * | 2016-02-25 | 2016-05-04 | 中国科学院地质与地球物理研究所 | Self-floating undersea temperature detecting system |
| CN108562377A (en) * | 2018-04-24 | 2018-09-21 | 中国科学院海洋研究所 | Autonomous water temperature vertical section pinpoints automatic continuous observation system |
| CN109187268A (en) * | 2018-10-12 | 2019-01-11 | 国家海洋技术中心 | A kind of cover type heat flow of ocean floor in-situ detector and method |
-
2016
- 2016-02-25 CN CN201620140354.0U patent/CN205919910U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547515A (en) * | 2016-02-25 | 2016-05-04 | 中国科学院地质与地球物理研究所 | Self-floating undersea temperature detecting system |
| CN108562377A (en) * | 2018-04-24 | 2018-09-21 | 中国科学院海洋研究所 | Autonomous water temperature vertical section pinpoints automatic continuous observation system |
| CN109187268A (en) * | 2018-10-12 | 2019-01-11 | 国家海洋技术中心 | A kind of cover type heat flow of ocean floor in-situ detector and method |
| CN109187268B (en) * | 2018-10-12 | 2024-03-08 | 国家海洋技术中心 | Covered type submarine heat flow in-situ detection device and method |
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