CN104062691A - High-precision seabed geothermal gradient detection device - Google Patents
High-precision seabed geothermal gradient detection device Download PDFInfo
- Publication number
- CN104062691A CN104062691A CN201410324194.0A CN201410324194A CN104062691A CN 104062691 A CN104062691 A CN 104062691A CN 201410324194 A CN201410324194 A CN 201410324194A CN 104062691 A CN104062691 A CN 104062691A
- Authority
- CN
- China
- Prior art keywords
- thermistors
- electronics bay
- temperature gradient
- high precision
- detecting devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a high-precision seabed geothermal gradient detection device used for detecting seabed surface-layer geotherm parameters. The high-precision seabed geothermal gradient detection device comprises a pressure protection pipe, a thermal insulation rod, an insulator, a two-color LED, an electronic instrument cabin shell, a charging induction coil and a plurality of thermistors, wherein a cavity of the electronic instrument cabin shell is an electronic instrument cabin. The insulator is installed on one side of the electronic instrument cabin, the pressure protection pipe is supported by the insulator, the thermal insulation rod is installed in the pressure protection pipe, and the thermistors are installed on the thermal insulation rod. A three-axis acceleration sensor is installed in the electronic instrument cabin, the two-color LED and the charging induction coil are installed outside the electronic instrument cabin, a transparent protection cover is installed outside the two-color LED and the charging induction coil, and the two-color LED, the charging induction coil, the thermistors and the three-axis acceleration sensor are connected with a control device through conducting wires, wherein the control device is installed in the electronic instrument cabin. Variation of the angle of inclination of the device is indicated through the two-color LED, operation is facilitated, and data acquisition efficiency is improved.
Description
Technical field
The present invention is a kind of detecting devices that can carry out the underground temperature gradient measurement of high precision seabed, belongs to the innovative technology of high precision seabed underground temperature gradient detecting devices.
Background technology
In Marine Geology exploration, often need to obtain the high precision ground temperature gradient data of seabed vertical direction, form relevant high precision ground temperature field data, so as to coordinate other physical parameters be correlated with mineral products one-tenth ore deposit mechanism, become the research work such as ore deposit feature, Deposits Dynamics, enrichment discipline and reserve estimate.
Conventional oceanic heat flow detecting devices (comprising underground temperature gradient detecting devices and geothermal probe) is that ship and boat-carrying winch are carried out oceanic heat flow detected event in marine site, deep-sea by inquiry, and the oceanic heat flow in-situ investigation work of this mode exists detecting location inconvenience and the problem such as controls, cannot accurately locate.Along with the development of habitata technology, underwater robot (ROV and HOV) is more and more to be applied among abyssalbenthic various scientific investigation and oceanographic engineering project.Carry out seabed underground temperature gradient detection with seafloor robot and not only can realize accurate location, can carry out again high-density sampling, understand the meticulous Temperature Field information object in seabed thereby realize.Thereby to make corresponding prospecting tools to measure for underwater robot be also a groundwork in underwater robot technical development.Because detecting devices is in the abyssalbenthic environment that works offline, generally use battery as energy resource supply mode, need in use for some time to open instrument storehouse and carry out charging or the replacing of battery, the relevant watertight processing of carrying out subsequently.Because cannot carry out the watertight test of high pressure in working site, easily go wrong, cause the damage in equipment use procedure.Use equipment under deep seafloor environment time, generally manipulate by telemanipulator or underwater robot, if equipment does not have corresponding Warning Mark, whether very difficult judgment device is in vertical direction, in data, there is no the attitude informations such as inclination angle simultaneously, cannot revise correction to ground temperature gradient data, affect the quality of image data, can not meet well the requirement of research work.
Summary of the invention
The object of the invention is to consider the problems referred to above and a kind of high precision seabed underground temperature gradient detecting devices is provided.The present invention has improved the efficient and precision of fetched data, and the use and maintenance of equipment is simple and convenient, and reliability is high.
Technical scheme of the present invention is: high precision of the present invention seabed underground temperature gradient detecting devices, include pressure protect pipe, electronics bay, transparent protective shield, insulated shaft, insulator, dual-colored LED, electronics bay housing, charging inductive coil, some thermistors, wherein the hollow cavity of electronics bay housing is electronics bay, insulator is installed in a side of electronics bay, pressure protect piping support is on insulator, insulated shaft is installed in pressure protect pipe, some thermistors are arranged in insulated shaft, 3-axis acceleration sensor is installed in electronics bay, dual-colored LED, charging inductive coil is installed in the outside of electronics bay, and dual-colored LED, the outside of charging inductive coil is equiped with transparent protective shield, dual-colored LED, charging inductive coil, some thermistors, 3-axis acceleration sensor is connected with the control device being arranged in electronics bay by wire.
The present invention is directed to a few thing feature of deep-sea underwater robot specialized equipment, an integrated 3-axis acceleration sensor, indicate whether in plumbness by the dual-colored LED of installing on equipment top, and in recording multichannel temperature data, the inclination data of recording unit, so that the correction of in follow-up Data Management Analysis, ground temperature gradient data being correlated with, thereby improve the efficient and precision of fetched data; Wireless charging inductive coil is installed under LED optical window, without frequently opening instrument storehouse, has exempted corresponding equipment watertight problem, improved operability and the reliability of equipment; Thermistor is equidistantly arranged on one than in the slightly little solid insulated shaft of pipe diameter, and guarantee thermistor can equidistantly be pressed close to the wall shell of pressure protect steel pipe, thereby improves consistance and the response speed of the thermal parameter of system; Device interior uses 24 A/D converters to carry out data sampling, to reach high precision and temperature data sampling fast.The present invention is that a kind of design is ingenious, function admirable, convenient and practical high precision seabed underground temperature gradient detecting devices.High precision of the present invention seabed underground temperature gradient detecting devices is simple to operate, convenient and practical, and measuring accuracy is high.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the scheme of installation of thermistor of the present invention;
Fig. 3 is the schematic cross-section that insulated shaft of the present invention is installed thermistor;
Fig. 4 is the theory diagram of control device of the present invention.
Embodiment
Embodiment:
Structural representation of the present invention as shown in Figure 1, high precision of the present invention seabed underground temperature gradient detecting devices, include pressure protect pipe 1, electronics bay 2, transparent protective shield 3, insulated shaft 4, insulator 6, dual-colored LED 8, electronics bay housing 7, charging inductive coil 9, some thermistors 10, 11, 12, wherein the hollow cavity of electronics bay housing 7 is electronics bay 2, insulator 6 is installed in a side of electronics bay 2, pressure protect pipe 1 is bearing on insulator 6, insulated shaft 4 is installed in pressure protect pipe 1, some thermistors 10, 11, 12 are arranged in insulated shaft 4, 3-axis acceleration sensor 13 is installed in electronics bay 2, dual-colored LED 8, charging inductive coil 9 is installed in the outside of electronics bay 2, and dual-colored LED 8, the outside of charging inductive coil 9 is equiped with transparent protective shield 3, dual-colored LED 8, under the protection of charging inductive coil 9 in transparent protective shield 3.And dual-colored LED 8, charging inductive coil 9, some thermistors 10,11,12,3-axis acceleration sensor 13 are connected with the control device being arranged in electronics bay 2 by wire.In the present embodiment, the electronics bay housing 7 of electronics bay 2 and the shell of pressure protect pipe 15 are by insulator 6 separately.
For ease of installing, one side of above-mentioned insulated shaft 4 has a metallic channel 21, the opposite side of insulated shaft 4 has the pit 32 of some installation thermistors, between metallic channel 21 and pit 32, communicate by through hole 31, some thermistors 10,11,12 are arranged on respectively on pit 32, the lead-in wire of some thermistors 10,11,12 is connected with the wire being arranged on metallic channel 21 through through hole 31, and even dry thermistor 10,11,12 is connected with the control device being arranged in electronics bay 2 by wire.The schematic cross-section that insulated shaft 4 is installed thermistor 10,11,12 as shown in Figure 3, pit 32 is slightly larger than thermistor, thermistor 10,11,12 is arranged on pit 32, make thermistor present part and imbed insulated shaft 4, the lead-in wire of thermistor is connected with the wire being arranged on metallic channel 21 through through hole 31, and thermistor is connected with the control device being arranged in electronics bay 2 by wire.
In the present embodiment, the diameter of above-mentioned insulated shaft 4 is less than the internal diameter 0.1mm-2mm of pressure protect pipe 1.The diameter of above-mentioned insulated shaft 4 be the internal diameter of pressure protect pipe 1 deduct thermistor 10 radius for best so that thermistor can be pressed close to the inwall of pressure protect pipe 1, good insulated shaft 4 convenient for assembly is installed to the inside of pressure protect pipe 1 simultaneously.
In the present embodiment, above-mentioned some thermistors 10,11,12 are equidistantly arranged in insulated shaft (4).In the present embodiment, above-mentioned pressure protect pipe 1 is steel pipe.
In the present embodiment, control device in above-mentioned electronics bay 2 includes CPU, 24 A/D converters, thermal pulse driving circuit, 3-axis acceleration sensor, LED drive circuit, wherein some thermistors 10, 11, 12 are connected with 24 A/D converters by multiway analog switch respectively, 24 A/D converters are connected with CPU, 3-axis acceleration sensor 13 is connected with CPU, the output terminal of CPU is connected with dual-colored LED 8 by LED drive circuit, CPU is connected with PC by RS485 data communication interface, charging inductive coil 9 is connected with power module by wireless charging module, power module is connected with CPU.In the present embodiment, above-mentioned charging inductive coil 9 is wireless charging inductive coil.
In the present embodiment, the control device in above-mentioned electronics bay 2 also includes FLASH storer.Control device in above-mentioned electronics bay 2 also includes real-time clock.
In the present embodiment, between above-mentioned multiway analog switch and 24 A/D converters, be also connected with differential bridge.
The present invention can be widely used in abyssalbenthic in-situ investigation work as the high precision ground temperature gradiometry equipment of mK level.
The present invention protects in the solid insulated shaft that pipe diameter is slightly little by thermistor being equidistantly arranged on to a specific pressure; solve the equidistant installation question of thermistor in elongated narrow and small steel pipe; can ensure that each thermistor equidistantly presses close to pressure protect steel pipe inner wall; improve consistance and the response speed of the thermal parameter of each measurement passage, thereby obtained high-precision underground temperature gradient data.
The present invention is by using built-in 3-axis acceleration sensor, in the time of each measurement multichannel temperature data, read related data and calculate in real time the residing inclination data of equipment, show by the dual-colored LED on top in time, facilitate manipulation personnel to judge, improve the operability of surveying work, this inclination data is also stored in high-capacity FLASH storer together with multichannel temperature data, in follow-up Data Management Analysis for the degree of accuracy of the underground temperature gradient measurement data of ground temperature gradient data being carried out to inclination angle correction, improved obtaining at deep seafloor.
The present invention is by using built-in wireless charging device, without the charging work of opening instrument storehouse and can complete internal battery, the inductive coil of this built-in wireless charging device is positioned at the below of the transparent instruction cover of LED, without open in addition electric interfaces on equipment, thereby the watertight of avoiding opening under the hyperbaric environment of bringing in instrument storehouse is processed problem, the O&M work of simplified apparatus, the reliability of raising equipment.
Principle of work of the present invention is: under the control of CPU, read one by one the data such as thermistor, 3-axis acceleration sensor and real-time clock with given pace, deposit FLASH in, and calculate the angle of inclination of equipment according to the data of 3-axis acceleration sensor, indicated by dual-colored LED 8.
After equipment reclaims, read the data of collection by RS485 data communication interface, process and obtain required seabed underground temperature gradient metrical information by follow-up data.By insulator 6 separately, the shell 7 of electronics bay 2 and the shell 5 of pressure protect pipe 1 double as respectively the positive and negative signal terminal of RS485 data communication interface for the electronics bay housing 7 of electronics bay 2 and the shell of pressure protect pipe 15.
In the time that cell voltage is not enough, the energy that charging inductive coil 9 obtains charges to battery by wireless charging module, no longer needs to open electronics bay and carries out the charging of battery, the use operation of simplified apparatus.
The present invention overcomes that the detecting location inconvenience that existing equipment exists is controlled, sample rate is slow and need to open that instrument room carries out the charging of battery or watertight that replacing causes is processed the problems such as a difficult problem, by the change of pitch angle of dual-colored LED indicating equipment, convenient manipulation, improves the efficient of data acquisition.The present invention is a kind of for measuring the high precision seabed underground temperature gradient detecting devices of submarine surface ground thermal parameter, can provide more accurate and more Temperature Field information to Marine Geology exploration.
Above-described embodiment is used for the present invention that explains, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment and change that the present invention is made, all fall into protection scope of the present invention.
Claims (10)
1. a high precision seabed underground temperature gradient detecting devices, is characterized in that including pressure protect pipe (1), electronics bay (2), transparent protective shield (3), insulated shaft (4), insulator (6), dual-colored LED (8), electronics bay housing (7), charging inductive coil (9), some thermistors (10, 11, 12), wherein the hollow cavity of electronics bay housing (7) is electronics bay (2), insulator (6) is installed in a side of electronics bay (2), pressure protect pipe (1) is bearing on insulator (6), insulated shaft (4) is installed in pressure protect pipe (1), some thermistors (10, 11, 12) be arranged on insulated shaft (4) above, 3-axis acceleration sensor (13) is installed in electronics bay (2), dual-colored LED (8), charging inductive coil (9) is installed in the outside of electronics bay (2), and dual-colored LED (8), the outside of charging inductive coil (9) is equiped with transparent protective shield (3), and dual-colored LED (8), charging inductive coil (9), some thermistors (10, 11, 12), 3-axis acceleration sensor (13) is connected with the control device being arranged in electronics bay (2) by wire.
2. high precision according to claim 1 seabed underground temperature gradient detecting devices, a side that it is characterized in that above-mentioned insulated shaft (4) has a metallic channel (21), the opposite side of insulated shaft (4) has the pit (32) of some installation thermistors, between metallic channel (21) and pit (32), communicate by through hole (31), some thermistors (10, 11, 12) be arranged on respectively on pit (32), some thermistors (10, 11, 12) lead-in wire is connected with the wire being arranged on metallic channel (21) through through hole (31), even dry thermistor (10, 11, 12) be connected with the control device being arranged in electronics bay (2) by wire.
3. high precision according to claim 1 seabed underground temperature gradient detecting devices, is characterized in that the diameter of above-mentioned insulated shaft (4) is less than the internal diameter 0.1mm-2mm of pressure protect pipe (1).
4. high precision according to claim 1 seabed underground temperature gradient detecting devices, is characterized in that above-mentioned some thermistors (10,11,12) are equidistantly arranged in insulated shaft (4).
5. high precision according to claim 1 seabed underground temperature gradient detecting devices, is characterized in that above-mentioned pressure protect pipe (1) is steel pipe.
6. according to the high precision seabed underground temperature gradient detecting devices described in claim 1 to 5 any one, it is characterized in that the control device in above-mentioned electronics bay (2) includes CPU, 24 A/D converters, thermal pulse driving circuit, 3-axis acceleration sensor, LED drive circuit, wherein some thermistors (10, 11, 12) be connected with 24 A/D converters by multiway analog switch respectively, 24 A/D converters are connected with CPU, 3-axis acceleration sensor is connected with CPU, the output terminal of CPU is connected with dual-colored LED (8) by LED drive circuit, CPU is connected with PC by RS485 data communication interface, charging inductive coil (9) is connected with power module by wireless charging module, power module is connected with CPU.
7. high precision according to claim 6 seabed underground temperature gradient detecting devices, is characterized in that the control device in above-mentioned electronics bay (2) also includes FLASH storer.
8. high precision according to claim 6 seabed underground temperature gradient detecting devices, is characterized in that the control device in above-mentioned electronics bay (2) also includes real-time clock.
9. high precision according to claim 6 seabed underground temperature gradient detecting devices, is characterized in that above-mentioned charging inductive coil (9) is wireless charging inductive coil.
10. high precision according to claim 6 seabed underground temperature gradient detecting devices, is characterized in that being also connected with differential bridge between above-mentioned multiway analog switch and 24 A/D converters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324194.0A CN104062691B (en) | 2014-07-08 | 2014-07-08 | High accuracy seabed geothermal gradient detecting devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324194.0A CN104062691B (en) | 2014-07-08 | 2014-07-08 | High accuracy seabed geothermal gradient detecting devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104062691A true CN104062691A (en) | 2014-09-24 |
| CN104062691B CN104062691B (en) | 2017-03-01 |
Family
ID=51550488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410324194.0A Expired - Fee Related CN104062691B (en) | 2014-07-08 | 2014-07-08 | High accuracy seabed geothermal gradient detecting devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104062691B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570158A (en) * | 2015-01-07 | 2015-04-29 | 中国科学院南海海洋研究所 | Self-floating type long-term seabed heat flow observation base station |
| CN104568226A (en) * | 2015-01-07 | 2015-04-29 | 中国科学院南海海洋研究所 | Ocean floor heat flow long-time observing probe and using method thereof |
| CN106556469A (en) * | 2016-10-28 | 2017-04-05 | 大连理工大学 | A kind of temperature chain sensor based on negative tempperature coefficient thermistor |
| GB2550869A (en) * | 2016-05-26 | 2017-12-06 | Metrol Tech Ltd | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| CN109990913A (en) * | 2019-04-19 | 2019-07-09 | 山东省海洋仪器仪表科技中心 | A kind of adjustable tail fins bottom sediment temperature detection device |
| US10947837B2 (en) | 2016-05-26 | 2021-03-16 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules connected by a matrix |
| US11092000B2 (en) | 2016-05-26 | 2021-08-17 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules comprising a crystal oscillator |
| US11111777B2 (en) | 2016-05-26 | 2021-09-07 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements |
| CN114608724A (en) * | 2022-05-10 | 2022-06-10 | 杭州大祉机电有限公司 | Shallow sea real-time geothermal temperature gradient measuring device |
| WO2023039818A1 (en) * | 2021-09-17 | 2023-03-23 | 深圳市海一电器有限公司 | Temperature probe and smart kitchenware having same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040028117A1 (en) * | 2001-12-17 | 2004-02-12 | Cordes Steven Alan | Scanning heat flow probe |
| CN2847278Y (en) * | 2005-11-21 | 2006-12-13 | 国家***第一海洋研究所 | Heat conductivity in-site detecting probe |
| CN201497715U (en) * | 2009-09-14 | 2010-06-02 | 国家海洋技术中心 | Deep-sea sediment geothermal probe |
| CN103776429A (en) * | 2014-01-10 | 2014-05-07 | 綦声波 | Beacon device for recovering of ocean detection equipment and operation method of beacon device |
-
2014
- 2014-07-08 CN CN201410324194.0A patent/CN104062691B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040028117A1 (en) * | 2001-12-17 | 2004-02-12 | Cordes Steven Alan | Scanning heat flow probe |
| CN2847278Y (en) * | 2005-11-21 | 2006-12-13 | 国家***第一海洋研究所 | Heat conductivity in-site detecting probe |
| CN201497715U (en) * | 2009-09-14 | 2010-06-02 | 国家海洋技术中心 | Deep-sea sediment geothermal probe |
| CN103776429A (en) * | 2014-01-10 | 2014-05-07 | 綦声波 | Beacon device for recovering of ocean detection equipment and operation method of beacon device |
Non-Patent Citations (7)
| Title |
|---|
| MARION PFENDER，ET AL.: "Miniaturized data loggers for deep sea sediment temperature gradient measurements", 《MARINE GEOLOGY》 * |
| 丁忠军等: "基于DPHP理论的海底热流原位探测***研究", 《仪器仪表学报》 * |
| 丁忠军等: "海洋沉积物多参数原位探测微探针研究", 《电子测量与仪器学报》 * |
| 徐志豪: "深海沉积物温度梯度探针设计与研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 徐志豪等: "多通道深海沉积物原位温度梯度探针设计", 《机械与电子》 * |
| 李官保等: "海底热流探测技术综述", 《地球物理学进展》 * |
| 秦洋阳等: "海底热流探测中的高分辨率测温技术", 《中国科学：技术科学》 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10145982B2 (en) | 2015-01-07 | 2018-12-04 | South China Sea Institute Of Oceanology, Chinese Academy Of Sciences | Pop-up long-term monitoring base station for seafloor heat flow |
| CN104568226A (en) * | 2015-01-07 | 2015-04-29 | 中国科学院南海海洋研究所 | Ocean floor heat flow long-time observing probe and using method thereof |
| CN104568226B (en) * | 2015-01-07 | 2015-10-28 | 中国科学院南海海洋研究所 | A kind of oceanic heat flow long-term observation probe and using method thereof |
| CN104570158B (en) * | 2015-01-07 | 2015-11-04 | 中国科学院南海海洋研究所 | A kind of self-floating oceanic heat flow long-term observation base station |
| WO2016110207A1 (en) * | 2015-01-07 | 2016-07-14 | 中国科学院南海海洋研究所 | Self-floating seafloor heat flow long-term observation station |
| CN104570158A (en) * | 2015-01-07 | 2015-04-29 | 中国科学院南海海洋研究所 | Self-floating type long-term seabed heat flow observation base station |
| US11092000B2 (en) | 2016-05-26 | 2021-08-17 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules comprising a crystal oscillator |
| GB2550869A (en) * | 2016-05-26 | 2017-12-06 | Metrol Tech Ltd | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| GB2550869B (en) * | 2016-05-26 | 2019-08-14 | Metrol Tech Ltd | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| US10947837B2 (en) | 2016-05-26 | 2021-03-16 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules connected by a matrix |
| US11111777B2 (en) | 2016-05-26 | 2021-09-07 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements |
| US11286769B2 (en) | 2016-05-26 | 2022-03-29 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using resistive elements |
| US11655706B2 (en) | 2016-05-26 | 2023-05-23 | Metrol Technology Limited | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements |
| CN106556469B (en) * | 2016-10-28 | 2019-05-28 | 大连理工大学 | A kind of temperature chain sensor based on negative tempperature coefficient thermistor |
| CN106556469A (en) * | 2016-10-28 | 2017-04-05 | 大连理工大学 | A kind of temperature chain sensor based on negative tempperature coefficient thermistor |
| CN109990913A (en) * | 2019-04-19 | 2019-07-09 | 山东省海洋仪器仪表科技中心 | A kind of adjustable tail fins bottom sediment temperature detection device |
| WO2023039818A1 (en) * | 2021-09-17 | 2023-03-23 | 深圳市海一电器有限公司 | Temperature probe and smart kitchenware having same |
| CN114608724A (en) * | 2022-05-10 | 2022-06-10 | 杭州大祉机电有限公司 | Shallow sea real-time geothermal temperature gradient measuring device |
| CN114608724B (en) * | 2022-05-10 | 2022-08-05 | 杭州大祉机电有限公司 | Shallow sea real-time geothermal temperature gradient measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104062691B (en) | 2017-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104062691A (en) | High-precision seabed geothermal gradient detection device | |
| CN101487803B (en) | Portable soil profile diagnosis scanner | |
| CN102486392B (en) | Water level monitoring device and water level monitoring method | |
| JP6186336B2 (en) | Inductive broadband three-component borehole magnetic field measurement sensor and borehole electromagnetic exploration method using the same | |
| CN105526909B (en) | A kind of sedimentation detection method and device based on image recognition principle | |
| CN101799558B (en) | Electromagnetic surveying system while drilling of adjacent-well parallel intervals | |
| CN103591927B (en) | Downhole drill gesture measuring instrument and measuring method thereof | |
| CN103643703A (en) | Intelligent monitoring device and method for underwater concrete pouring elevation | |
| CN106501861A (en) | A kind of small intelligent offshore earthquake electromagnetic data acquisition system | |
| CN106768161B (en) | Underground water level measurement method | |
| CN212083694U (en) | Downhole time domain electromagnetic multi-component far detection instrument and detection system based on same | |
| CN202562529U (en) | Digital measuring system for water level and temperature of geothermal well | |
| CN202899118U (en) | Multifunctional static sounding data acquisition instrument | |
| CN104062692B (en) | High-precision seabed terrestrial heat flow detection device | |
| CN103605168B (en) | The quick method of prospecting of a kind of seabed Polymetallic sulphide integrated information | |
| CN202348267U (en) | Dual-purpose high-accuracy depth correction type underground tester and system | |
| CN103712552B (en) | Multi-components drilling strain gauge | |
| CN111337988A (en) | Downhole time domain electromagnetic multi-component remote detection instrument | |
| CN112114162B (en) | Hydrology observation well water flow direction detection device | |
| CN205880207U (en) | Real-time positioning device for advancing ruler of excavation working face | |
| CN102072775B (en) | Portable temperature measuring recorder applied to geotechnical engineering field | |
| CN105737797B (en) | Vertical deformation detection method and device | |
| CN111913225B (en) | Design method for deep well three-component magnetic measurement system | |
| CN112363234A (en) | Combined logging instrument suitable for seabed polymetallic sulfide measurement | |
| CN208969510U (en) | A kind of submersible six-freedom motion real-time measurement apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |