CN104568226B - A kind of oceanic heat flow long-term observation probe and using method thereof - Google Patents
A kind of oceanic heat flow long-term observation probe and using method thereof Download PDFInfo
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- CN104568226B CN104568226B CN201510009743.XA CN201510009743A CN104568226B CN 104568226 B CN104568226 B CN 104568226B CN 201510009743 A CN201510009743 A CN 201510009743A CN 104568226 B CN104568226 B CN 104568226B
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Abstract
The invention discloses a kind of oceanic heat flow long-term observation probe, it comprises probe warehouse and probe stock; Probe warehouse inside is provided with temperature measurement circuit plate, and outside is provided with cable splice outlet and conduction oil fills with hydraulic fluid port; Temperature measurement circuit plate is connected with external piloting control system by cable splice outlet; Conduction oil is filled with hydraulic fluid port and is led to probe stock inside by filling with oil-piping layout; Probe stock is the cylinder of hollow structure, and its one end and probe warehouse are threaded connection, and its other end is closed by dismountable coniform probe; Probe stock inside is provided with at least 3 temp probes, and equidistantly distributes vertically in probe stock inner space, is connected in the wire access probe warehouse of temp probe with temperature measurement circuit plate; In probe stock, the shielding of the thermal convection perpendicular to a stock axle sheet is set between every two temp probes.The invention also discloses a kind of using method of oceanic heat flow probe.The present invention can obtain the end coolant-temperature gage fluctuation larger marine site more accurately, more reliable oceanic heat flow data.
Description
Technical field
The present invention relates to a kind of habitata equipment, be specifically related to a kind of probe measured for a long time for oceanic heat flow, and using method.
Background technology
Terrestrial heat flow is the direct display of earth interior thermal process in seabed, is not only the key parameter understanding earth heat leakage speed, and is carry out geodynamic study and the basic data of rebuilding Sedimentary Basin Evolution, oil gas and hydrate resource potential and evaluating.Therefore equipment of researching and developing is carried out oceanic heat flow measurement and is had national strategy meaning.
Oceanic heat flow can be measured by Digitalisation and oceanic heat flow probe.Due to oil boring and deep sea drilling distribution of boreholes region limited, and oceanic heat flow probe is convenient to boat-carrying, operation is relatively flexible, and expense is lower, and meticulous amount can be carried out according to actual problem in science and marine site interested, therefore oceanic heat flow probe is the important means obtaining oceanic heat flow data.In the 1950's, researcher utilizes the geothermal probe of design successfully to carry out geothermal measurement in marine site, the North Atlantic Ocean, opens the epoch of oceanic heat flow investigation.Along with improving and the progress of technical method of thermal measurement theory, and the progress of computer technology and large scale integrated circuit technology and memory technology and popularization and application, through the development of nearly over half a century, oceanic heat flow probe Detection Techniques are also developed rapidly.Current more ripe in the world and the oceanic heat flow probe be widely used can be divided into Ewing type and Lister type two class.Traditional Ewing type probe is the diverse location hanging over stopple coupon or steel lance outer wall outside the compact probe that thermistor is housed, can only realize the original position ground temperature gradiometry of marine bottom sediment, thermal conductivity needs to carry out independent measurement acquisition in indoor to the sediment sample gathered.During owing to gathering sediment sample, sample original structure and water cut inevitably to some extent destroy and environment temperature, pressure condition change and cause institute's calorimetric conductance error larger, therefore, the sediment thermal conductivity that laboratory records generally all needs to carry out temperature, pressure and water cut and corrects.Lister type probe adopts thermal pulse technology, theoretical model is simplified based on the unlimited long column thermal source (IICS) of transient heating, process frictional heat and thermal pulse heat two stage Temperature-time data to solve underground temperature gradient and in-situ heat conductance, achieve the measurement of pulsed original position hot-fluid.The probe of the type is also referred to as " bow " type probe, installs heater strip in its tubule, simultaneously equally spaced arrangement multiple (or group) thermistor, keeps at a certain distance away and is fixed on thick firm reinforced pipe.But the probe of the type more elongated (radius generally reaches 5.0mm, reaches 6.0m), simplify theoretical model for meeting IICS as far as possible, after requiring PULSE HEATING, probe needs static stop 25 minutes even longer in sediment.
Above two kinds of existing probes can be used for the oceanic heat flow parameter obtaining end coolant-temperature gage long-term stability or the less marine site of fluctuation, and right and wrong are usually used and important detecting devices.But some marine site, often there is larger cyclic fluctuation in its end coolant-temperature gage, deposit on marine-bottom surface temperature is caused also to be subject to cyclic effects, there is significant change in the underground temperature gradient that same erect-position different time is measured, really cannot reflect the Warm status of this erect-position, therefore utilize conventional oceanic heat flow probe (Ewing type and Lister type probe) to be difficult to obtain reliable oceanic heat flow in the marine site that coolant-temperature gage fluctuation in the end is larger.Therefore be necessary research and develop a kind of new oceanic heat flow probe, carry out long-term observation, so as to obtain more accurately, more reliable oceanic heat flow data, with satisfied country about carrying out the Strategic Demand of fundamental research and resource exploration.
Summary of the invention
In order to solve the problem, an object of the present invention is to provide a kind of oceanic heat flow probe being applicable to oceanic heat flow data and measuring for a long time, so as to obtain more accurately, more reliable oceanic heat flow long-term observation data.
Another object of the present invention is to provide the using method of described oceanic heat flow long-term observation probe, it is by the oil of filling heat-conductive in probe stock, can further improve the accuracy of oceanic heat flow long-term observation probe test external temperature, meanwhile, the compressive property of probe warehouse can be strengthened.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
First, provide a kind of oceanic heat flow long-term observation probe, it comprises probe stock and probe warehouse; Wherein, described probe stock is hollow structure, and one end and the described probe warehouse of this probe stock are threaded connection, and its other end is closed by dismountable coniform probe; Described probe warehouse inside is provided with temperature measurement circuit plate, and its outside is provided with cable splice outlet and conduction oil fills with hydraulic fluid port; Described oceanic heat flow long-term observation probe interior is provided with at least three temperature sensors, the temp probe of these at least three temperature sensor one end is in described probe stock inner space along the axially equidistantly distribution of probe stock, and the probe warehouse internal fixtion that its other end is deeply described is also connected with temperature measurement circuit plate by wire; In described probe stock, arrange at least one between the temp probe described in every two along probe stock radially-arranged thermal convection shielding sheet, the signal that described temperature measurement circuit plate exports is connected with external piloting control system via cable splice outlet by cable; Described conduction oil is filled with hydraulic fluid port and is led to described probe stock inside by filling with oil-piping layout.
In the present invention's preferred oceanic heat flow long-term observation probe structure, described temperature sensor can be thermistor or platinum resistance; Preferred Pt1000 platinum resistance, is more suitable for temperature and measures occasion for a long time further.
In the present invention's preferred oceanic heat flow long-term observation probe structure, described thermal convection shielding sheet is the wafer type hair brush structure formed with radial manner, its material can be mekralon, polyamide fibre or or bristles in any one.
In the present invention's preferred oceanic heat flow long-term observation probe structure, described oceanic heat flow long-term observation probe comprises a fixed bar further, described fixed bar comprises the body of rod and hollow bolt, it is inner that the described body of rod is positioned at probe stock, described hollow bolt is threaded with the junction of probe warehouse and probe stock, described body of rod one end is threaded with probe, its other end is fixed on the inside of hollow bolt, the through hole equal with temperature sensor quantity is offered around the described body of rod at the head of this hollow bolt, the other end of described temperature sensor extends in probe warehouse through corresponding through hole, described thermal convection shielding sheet and temp probe are all fixed on the described body of rod.
In the further preferred oceanic heat flow long-term observation probe structure of the present invention, the ratio between the overall diameter of the described body of rod and the interior diameter of described probe stock is less than 1:2.
In the further preferred oceanic heat flow long-term observation probe structure of the present invention, described temp probe uses band to be fixed on the described body of rod; Described thermal convection shielding sheet makes to be screwed on the described body of rod.
In the present invention's preferred oceanic heat flow long-term observation probe structure, the length of described probe stock is 30 ~ 40:1 with overall diameter ratio; Preferred 30 ~ 37.5:1 further.
In the further preferred oceanic heat flow long-term observation probe structure of the present invention, length 150 ~ the 200cm of described probe stock, overall diameter 4 ~ 5cm, interior diameter 2 ~ 3cm, its inside equidistantly distributes 5 ~ 6 temp probes vertically, spacing between every two adjacent temp probes is 20 ~ 30cm, arranges a thermal convection shielding sheet vertically therein every 10cm simultaneously.
In oceanic heat flow long-term observation probe structure of the present invention, hydraulic fluid port is filled with in the outlet of described each connection of thread, cable splice, conduction oil and the various interfaces between probe stock inside and probe warehouse inside all carry out watertight process.
Secondly, the present invention also provides the using method of described oceanic heat flow long-term observation probe, before detection, first oceanic heat flow long-term observation probe of the present invention is kept flat, fill with hydraulic fluid port from described conduction oil and pour into conduction oil via filling oil-piping layout to described probe stock inside, open described dismountable coniform probe simultaneously, after conduction oil overflows from probe, close probe; Continue to pour into conduction oil to whole probe stock inner space falling heat-transfer oil and from conduction oil filling hydraulic fluid port spilling, confined bed deep fat fills with hydraulic fluid port, what more described oceanic heat flow long-term observation probe is arranged on self-floating oceanic heat flow long-term observation base station abandons part, detects for oceanic heat flow.
In method of the present invention, described conduction oil can be selected from mineral type or the synthesis type liquid phase heat-conduction oil of work in applicable 0 ~ 50 DEG C of temperature range.
Compared with oceanic heat flow long-term observation probe of the prior art, the invention provides a kind of oceanic heat flow long-term observation probe and using method thereof of brand new, the accuracy that heat flow data measures can be improved more significantly, mainly based on the mechanism characteristics of following several respects:
1. the distribution design of temperature sensor
Oceanic heat flow long-term observation probe interior of the present invention is equidistantly distributed with the temperature sensor probe of more than 3 vertically, make probe can measure the sedimental temperature of different depth so simultaneously, facilitate scientific research personnel to find the temperature rule of different depth marine bottom sediment.
2. the setting of thermal convection shielding sheet
In oceanic heat flow long-term observation detection, probe inserts after in marine bottom sediment, and sedimental different depth can exist temperature contrast, and conduction oil can be caused like this to produce molecular thermalmotion because of temperature contrast, and now thermometric accuracy declines greatly.For this reason, the thermal convection shielding sheet between two temperature sensor probes is provided with especially in oceanic heat flow long-term observation probe structure of the present invention, described thermal convection shielding sheet is with radial morphogenetic by fibrous matter, there is fine and closely woven gap, both heat conduction wet goods medium can have been allowed to pass through, intermolecular thermal motion between the heat conduction wet goods medium that can limit again its both sides, thermal convection between the heat conduction wet goods medium shielding zones of different thus, thus further increase thermometric accuracy, particularly probe stock is inner every 10cm, a thermal convection shielding sheet is set time, farthest can avoid the thermal convection between its both sides conduction oil, reach very high measuring accuracy, also reach the optimum balance state of probe manufacturing cost and measurement accuracy simultaneously.
3. the application of conduction oil
In using method of the present invention, carry out filling with the process of conduction oil in the probe stock inside being provided with temperature sensor in advance, the accuracy of oceanic heat flow long-term observation probe test external temperature can also be improved further.
Accompanying drawing explanation
Fig. 1 is oceanic heat flow long-term observation probe one-piece construction schematic diagram of the present invention.
Fig. 2 is probe stock inner structure schematic diagram.
Fig. 3 is probe warehouse inner structure schematic diagram.
Fig. 4 is the schematic diagram of fixed rod structure.
Fig. 5 is the wiring layout of fixed bar and probe.
Fig. 6 is that oceanic heat flow long-term observation probe of the present invention pours into conduction oil method schematic diagram.
In figure, mark is described as follows:
1, probe stock; 2, probe warehouse; 3, probe; 4, temperature measurement circuit plate; 5, cable splice outlet; 6, conduction oil fills with hydraulic fluid port; 7, temperature sensor; 8, temp probe; 9, thermal convection shielding sheet; 10, oil-piping layout is filled with; 11, fixed bar; 12, through hole.
Embodiment
Oceanic heat flow long-term observation probe of the present invention and using method thereof is further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of oceanic heat flow long-term observation probe, it is formed primarily of probe stock 1 and probe warehouse 2; Described probe stock 1 is the cylinder of hollow structure, and its one end and described probe warehouse 2 are threaded connection, and its other end is closed by dismountable coniform probe 3, adopts the probe 3 of cone-shaped structure so that be deep in marine bottom sediment; As shown in figs. 1 and 3, described probe warehouse 2 inside is provided with temperature measurement circuit plate 4, and outside is provided with cable splice outlet 5 and conduction oil fills with hydraulic fluid port 6; As shown in Figure 2, described heat flow probe inside is provided with at least 4 temperature sensors 7, the temp probe 8 of its one end is equidistantly distributed vertically in described probe stock 1 inner space deeply described probe warehouse 2 internal fixtion of (between every two temp probes 8 interval 30cm) its other end being connected with temperature measurement circuit plate 4 (see Fig. 1,3,4), the temperature recorded described in temperature sensor 7 to be exported by temperature measurement circuit plate 4 by wire; In described probe stock 1, arrange 2 thermal convection shielding sheets 9 (between every two adjacent heat convection current shielding sheet 9 interval 10cm) distributed along probe stock 1 radial direction (namely perpendicular to the axis of probe stock 1) between temp probe 8 described in every two, described thermal convection shielding sheet 9 is wafer type hairbrush that mekralon is formed with radial manner; The temperature data that described temperature measurement circuit plate 4 exports is connected with external piloting control system by cable-cable splice outlet 5-cable; Described conduction oil is filled with hydraulic fluid port 6 and is led to described probe stock 1 inside by filling with oil-piping layout 10.
The fixed bar 11 of one is set further in described oceanic heat flow long-term observation probe interior, as shown in Figures 4 and 5, described fixed bar 11 is elongate rod that one end cover has hollow bolt, it is inner that its non-bolt part is in described probe stock 1, run through whole probe stock 1 (see Fig. 1) and be threaded (see Fig. 2) with described probe 3, offering the through hole 12 equal with temperature sensor 7 quantity at the bolt head of the other end around elongate rod and the position that bolt head connects; The position that described hollow bolt is connected with probe warehouse 2 with probe stock 1 is threaded connection (see Fig. 3, can be that hollow bolt and probe stock 1 are threaded with probe warehouse 2 respectively, also can be that hollow bolt passes probe warehouse 2 and is connected with probe stock 1, namely ensure that the other end of the probe stock 1 of three connects); Described thermal convection shielding sheet 9 is all fixed in the elongate rod of described fixed bar with the temp probe 8 of temperature sensor 7, and the other end of temperature sensor enters in described probe warehouse (see Fig. 3) through described through hole.
Hydraulic fluid port is filled with in the outlet of described each connection of thread, shown cable splice, conduction oil and the various interfaces between probe stock inside and probe warehouse inside all carry out watertight process, such as, rubber seal, super glue etc. can be used to carry out watertight process.
Its using method is: before carrying out oceanic heat flow long-term observation detection, as shown in Figure 6, first oceanic heat flow long-term observation probe of the present invention is kept flat, fill with hydraulic fluid port 6 from described conduction oil and pour into conduction oil by filling with oil-piping layout to described probe stock 1 inside, open described detachable coniform probe 3 (taking off from probe stock 1 by probe 3) simultaneously, probe 3 (fastening by probe 3 and probe stock 1) is closed after conduction oil overflows from probe 3, continue to fill with oily extremely whole probe stock 1 inner space falling heat-transfer oil and fill with hydraulic fluid port 6 from conduction oil to overflow, confined bed deep fat fills with hydraulic fluid port 6, what conventionally described oceanic heat flow long-term observation probe is arranged on self-floating oceanic heat flow long-term observation base station again abandons part, detect for oceanic heat flow.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.
Claims (10)
1. an oceanic heat flow long-term observation probe, is characterized in that, it comprises probe stock (1) and probe warehouse (2); Wherein, described probe stock (1) is hollow structure, and one end and the described probe warehouse (2) of this probe stock (1) are threaded connection, and its other end is closed by dismountable coniform probe (3); Described probe warehouse (2) inside is provided with temperature measurement circuit plate (4), and its outside is provided with cable splice outlet (5) and conduction oil fills with hydraulic fluid port (6); Described oceanic heat flow long-term observation probe interior is provided with at least three temperature sensors (7), the temp probe (8) of this at least three temperature sensors (7) one end axially equidistantly distributes along probe stock (1) in described probe stock (1) inner space, and probe warehouse (2) internal fixtion that its other end is deeply described is also connected with temperature measurement circuit plate (4) by wire; In described probe stock (1), arrange at least one between temp probe (8) described in every two along radially-arranged thermal convection shielding sheet (9) of probe stock (1), the signal that described temperature measurement circuit plate (4) exports is connected with external piloting control system via cable splice outlet (5) by cable; Described conduction oil is filled with hydraulic fluid port (6) and is led to described probe stock (1) inside by filling with oil-piping layout (10).
2. oceanic heat flow long-term observation probe according to claim 1, is characterized in that, described temperature sensor (7) is thermistor or platinum resistance.
3. oceanic heat flow long-term observation probe according to claim 1, is characterized in that, described thermal convection shielding sheet (9) is formed with radial fibrous matter.
4. oceanic heat flow long-term observation probe according to claim 3, is characterized in that, described thermal convection shielding sheet (9) is any one formation in mekralon, polyamide fibre or bristles.
5. oceanic heat flow long-term observation probe according to claim 1, it is characterized in that, described oceanic heat flow long-term observation probe comprises a fixed bar (11) further, described fixed bar (11) comprises the body of rod and hollow bolt, it is inner that the described body of rod is positioned at probe stock (1), described hollow bolt is threaded with the junction of probe warehouse (2) and probe stock (1), described body of rod one end is threaded with probe (3), its other end is fixed on the inside of hollow bolt, the through hole (12) equal with temperature sensor (7) quantity is offered around the described body of rod at the head of this hollow bolt, the other end of described temperature sensor (7) extends in probe warehouse (2) through corresponding through hole (12), described thermal convection shielding sheet (9) and temp probe (8) are all fixed on the described body of rod.
6. oceanic heat flow long-term observation probe according to claim 5, is characterized in that, the ratio between the overall diameter of the described body of rod and the interior diameter of described probe stock (1) is less than 1:2.
7. oceanic heat flow long-term observation probe according to claim 5, is characterized in that, described temp probe (8) uses band to be fixed on the described body of rod; Described thermal convection shielding sheet (9) makes to be screwed on the described body of rod.
8. oceanic heat flow long-term observation probe according to claim 1, is characterized in that, the length of described probe stock (1) is 30 ~ 50:1 with overall diameter ratio.
9. oceanic heat flow long-term observation probe according to claim 8, it is characterized in that, length 150 ~ the 200cm of described probe stock (1), overall diameter 4 ~ 5cm, interior diameter 2 ~ 3cm, its inside equidistantly distributes 5 ~ 6 temp probes (8) vertically, spacing between every two adjacent temp probes (8) is 20 ~ 30cm, arranges thermal convection shielding sheet (9) vertically in probe stock (1) inside every 10cm simultaneously.
10. the using method of an oceanic heat flow long-term observation probe, it is characterized in that, before detection, first the oceanic heat flow long-term observation probe level described in any one of claim 1-9 is placed, fill with hydraulic fluid port (6) from described conduction oil and pour into conduction oil via filling oil-piping layout (10) to described probe stock (1) inside, open described dismountable coniform probe (3) simultaneously, after conduction oil overflows from probe (3), close probe (3); Continue to pour into conduction oil to whole probe stock (1) inner space falling heat-transfer oil and from conduction oil filling hydraulic fluid port (6) spilling, confined bed deep fat fills with hydraulic fluid port (6), what more described oceanic heat flow long-term observation probe is arranged on self-floating oceanic heat flow long-term observation base station abandons part, detects for oceanic heat flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510009743.XA CN104568226B (en) | 2015-01-07 | 2015-01-07 | A kind of oceanic heat flow long-term observation probe and using method thereof |
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| CN201510009743.XA CN104568226B (en) | 2015-01-07 | 2015-01-07 | A kind of oceanic heat flow long-term observation probe and using method thereof |
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| CN104568226B true CN104568226B (en) | 2015-10-28 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950344A (en) * | 2015-06-03 | 2015-09-30 | 中国科学院南海海洋研究所 | Seabed heat flow long-term observation probe based on underwater robot platform |
| CN105486348A (en) * | 2015-12-29 | 2016-04-13 | 中国船舶重工集团公司第七�三研究所 | Novel test member |
| CN105547515B (en) * | 2016-02-25 | 2017-08-22 | 中国科学院地质与地球物理研究所 | A kind of self-floating bottom-water temperature detection system |
| CN105785470B (en) * | 2016-04-29 | 2017-03-29 | 中国科学院南海海洋研究所 | A kind of single-floating ball heat flow of ocean floor long-term observation system |
| CN105911612B (en) * | 2016-06-01 | 2018-07-24 | 武汉磐索地勘科技有限公司 | A kind of multifunctional in-situ long-term observation device |
| CN106404409B (en) * | 2016-11-16 | 2018-12-07 | 中国科学院工程热物理研究所 | A kind of probe assembly of suitable aero-engine Strong shear nonstationary flow test |
| CN107543633A (en) * | 2017-04-11 | 2018-01-05 | 中国科学院海洋研究所 | A kind of long-acting heat flow probe of deep water recovery type untethered |
| CN108279081B (en) * | 2017-12-05 | 2020-03-27 | 广州海洋地质调查局 | Seabed heat flux medium and long term observation device and measurement method |
| CN114264696B (en) * | 2022-03-02 | 2022-05-24 | 中国长江三峡集团有限公司 | Earth heat flow measuring device |
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| CN201497715U (en) * | 2009-09-14 | 2010-06-02 | 国家海洋技术中心 | Deep-sea sediment geothermal probe |
| CN104062691A (en) * | 2014-07-08 | 2014-09-24 | 广东工业大学 | High-precision seabed geothermal gradient detection device |
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