CN112393768B - Temperature measuring device for geothermal exploration - Google Patents
Temperature measuring device for geothermal exploration Download PDFInfo
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- CN112393768B CN112393768B CN202011297595.3A CN202011297595A CN112393768B CN 112393768 B CN112393768 B CN 112393768B CN 202011297595 A CN202011297595 A CN 202011297595A CN 112393768 B CN112393768 B CN 112393768B
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- rotating rod
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- 238000005553 drilling Methods 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 244000309464 bull Species 0.000 claims description 58
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to the technical field of geothermy measurement, and discloses a temperature measuring device for geothermy exploration, which comprises a device base, wherein a first rotating rod is arranged in the device base, a second rotating rod is arranged in the first rotating rod, a measuring drill bit is arranged in the second rotating rod, a first motor is arranged on the outer surface of the top of the second rotating rod, support plates are arranged on the two sides of the first motor and on the outer surface of the top of the device base, a roller bit is arranged on the outer surface of the bottom of the first rotating rod and on the bottom of the device base, rotating wheels are arranged on the two sides of the first rotating rod and on the inner side of the device base, a plurality of groups of pressing plates are arranged on the outer surface of the bottom of the rotating wheel and on the outer surface of the outer side of the first rotating rod, and a plurality of groups of supporting legs are arranged on the outer surface of the bottom of the device base. This a temperature measuring device for geothermol power reconnaissance, it is convenient to remove, adopts roller bit drilling earlier, will measure in the measuring bit patchhole again, and is comparatively practical.
Description
Technical Field
The invention relates to the technical field of geothermal measurement, in particular to a temperature measuring device for geothermal exploration.
Background
The geothermal measurement is a method for measuring temperature and heat flow at the same depth of a shallow layer and making a section and a plan of an isotherm and a heat flow density, and solves the problems in hydrogeology, structure, mineral products, coal fields, petroleum, natural gas and engineering geology.
The existing geothermal measurement device has certain defects when in use, is at first large in size and inconvenient to transport, has a troublesome flow, needs to drill holes firstly, then extracts a drilling machine, inserts a measurement pipeline for detection, has a troublesome flow, is poor in final stability, is driven singly, has a slow drilling speed, influences the measurement efficiency, and provides a temperature measurement device for geothermal exploration.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a temperature measuring device for geothermal exploration, which has the advantages of small volume, convenient transportation, adoption of a mode of drilling first and then measuring, no need of pulling out a drilling machine, need of drilling again, immediate drilling, strong stability, adoption of double-rotor driving, improvement of drilling efficiency, and solution of the problems of large volume, inconvenient transportation, troublesome flow, need of drilling first, pulling out the drilling machine, insertion of a measuring pipeline for detection, troublesome flow, poor stability, single driving, slow drilling speed and influence on measuring efficiency in the prior art.
(II) technical scheme
In order to realize the purposes of small volume, convenient transportation, adoption of a mode of drilling first and then measuring, immediate drilling without pulling out a drilling machine and drilling again, strong stability and improvement of drilling efficiency by adopting double-rotor driving, the invention provides the following technical scheme: the utility model provides a temperature measuring device for geothermol power reconnaissance, includes the device base, the inside of device base is provided with the bull stick No. one, the inside of bull stick is provided with the bull stick No. two, the inside of No. two bull sticks is provided with the measurement drill bit, the top surface of No. two bull sticks is provided with the motor No. one, the both sides of motor and the top surface that is located the device base are provided with the mounting panel, the bottom surface of bull stick and the bottom that is located the device base are provided with the roller bit, the both sides of bull stick and the inboard that is located the device base all are provided with the runner, the bottom of runner and the outside surface that is located the bull stick are provided with the multiunit clamp plate, the bottom surface of device base is provided with the multiunit supporting leg.
Preferably, a circular groove corresponding to the outer diameters of the first rotating rod and the roller bit is formed in the device base, threads corresponding to the rotating wheel are formed in the outer surface of the outer side of the first rotating rod, the first rotating rod is movably meshed with the rotating wheel, and a groove corresponding to the rotating wheel is formed in the device base.
Preferably, a second motor is arranged in the rotating wheel and the device base, the second motor is movably connected with the device base, a rotating shaft of the second motor is fixedly connected with the rotating wheel, and the second motor is electrically connected with the device base.
Preferably, the pressing plates are six groups, the inner sides of the pressing plates are arc-shaped structures corresponding to the first rotating rod, the pressing plates are magnet structures, a plurality of groups of air pressure rods are arranged on the outer sides of the pressing plates and between the inner sides of the device base, the air pressure rods are fixedly connected with the pressing plates and the device base, and grooves corresponding to the air pressure rods and the pressing plates are formed in the inner sides of the device base.
Preferably, the top of the roller bit is of a cylindrical structure, threads corresponding to a first rotating rod are arranged on the inner side of the roller bit, the roller bit is fixedly connected with the first rotating rod, the inner portion of the first rotating rod is of a hollow structure, an opening corresponding to the first rotating rod is formed in the bottom of the roller bit, the opening in the bottom of the roller bit is larger than the opening in the first rotating rod, a plurality of groups of baffles are arranged on the outer surface of the inner side of the roller bit and the outer surface of the bottom of the first rotating rod, the six groups of baffles are arranged, and the baffles are movably connected with the inner side of the roller bit.
Preferably, the inside of measuring the drill bit is temperature measurement and humidity measurement, the top of measuring the drill bit and the inside that is located No. two bull sticks are provided with No. three bull sticks, No. three bull sticks are fixed connection with the measuring drill bit, the inboard of No. two bull sticks all is provided with corresponding screw thread with the outside of No. three bull sticks, No. three bull sticks are the swing joint with No. two bull sticks.
Preferably, the outer side of the second rotating rod and the inner side of the first rotating rod are provided with a plurality of groups of positioning shafts, the positioning shafts are fixedly connected with the first rotating rod, and the second rotating rod is movably connected with the first motor.
Preferably, the mounting plate, the first motor and the device base are fixedly connected, a controller is arranged on the outer surface of the outer side of the device base, the controller is electrically connected with the device base, the supporting leg is fixedly connected with the device base, rollers are arranged inside the supporting leg, and the rollers are movably connected with the supporting leg.
(III) advantageous effects
Compared with the prior art, the invention provides a temperature measuring device for geothermal exploration, which has the following beneficial effects:
1. this a temperature measuring device for geothermol power reconnaissance starts No. two motors through the controller, and No. two motors drive the runner and rotate, utilize the screw thread that runner and bull stick correspond, drive a bull stick and rotate from this to drive roller bit and rotate, and under the combination of atmospheric pressure pole and clamp plate used, thereby reached the effect of steady drilling.
2. This a temperature measuring device for geothermol power reconnaissance starts a motor through the controller, and a motor drives the bull stick No. two and rotates, and the bull stick No. two utilizes the inboard screw thread that corresponds with the bull stick No. three, drives the bull stick and rotates downwards, and No. three bull sticks drive and measure the drill bit operation, inserts the measurement humiture to the ground of drilling to quick measuring's effect has been reached.
3. This a temperature measuring device for geothermol power reconnaissance, through location axle and bull stick fixed connection No. one, and inboard tangent with No. two bull sticks, make a bull stick when rotating, can not drive No. two bull sticks and rotate, and No. two bull sticks are connected with a motor, the mounting panel and the device base fixed connection of a motor both sides, fixed stay's effect has been played, and the top of the inboard multiunit baffle of roller bit is tangent with the bottom of No. two bull sticks, the effect of fender has been played, and the measuring bit can open the baffle, thereby the effect of improvement to equipment protection has been reached.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front sectional view of the structure of the present invention;
FIG. 3 is a schematic bottom view of a roller cone bit according to the present invention;
FIG. 4 is a schematic top view of a structural platen according to the present invention;
FIG. 5 is a top structural cross-sectional view of a structural positioning shaft of the present invention;
FIG. 6 is an enlarged structural view of the area A in FIG. 2 according to the present invention.
In the figure: 1. a device base; 2. a first rotating rod; 3. a second rotating rod; 4. measuring the drill bit; 5. a first motor; 6. a mounting plate; 7. a roller cone drill bit; 8. a rotating wheel; 9. pressing a plate; 10. supporting legs; 11. a second motor; 12. a pneumatic rod; 13. a baffle plate; 14. a third rotating rod; 15. a controller; 16. a roller; 17. and (5) positioning the shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, a temperature measuring device for geothermal exploration comprises a device base 1, a first rotating rod 2 is arranged inside the device base 1, a second rotating rod 3 is arranged inside the first rotating rod 2, a measuring drill bit 4 is arranged inside the second rotating rod 3, a first motor 5 is arranged on the outer surface of the top of the second rotating rod 3, the first motor 5 can be an asynchronous motor of type Y315S-2 and has a power of 110kW, support plates 6 are arranged on two sides of the first motor 5 and on the outer surface of the top of the device base 1 for supporting the first motor 5, a roller bit 7 is arranged on the outer surface of the bottom of the first rotating rod 2 and on the bottom of the device base 1, rotating wheels 8 are arranged on two sides of the first rotating rod 2 and on the inner side of the device base 1, a plurality of pressure plates 9 are arranged on the bottom of the rotating wheels 8 and on the outer surface of the outer side of the first rotating rod 2, the outer surface of the bottom of the device base 1 is provided with a plurality of groups of supporting legs 10.
The device base 1 is internally provided with a circular groove corresponding to the outer diameters of a first rotating rod 2 and a roller bit 7, the outer surface of the outer side of the first rotating rod 2 is provided with a thread corresponding to a rotating wheel 8, the first rotating rod 2 is movably meshed with the rotating wheel 8, the device base 1 is internally provided with a groove corresponding to the rotating wheel 8, and the first rotating rod 2 is driven to rotate through two groups of rotating wheels 8.
A second motor 11 is arranged in the rotating wheel 8 and positioned in the device base 1, the second motor 11 can be a Y280M-2 type asynchronous motor, the power is 90kW, the second motor 11 is movably connected with the device base 1, a rotating shaft of the second motor 11 is fixedly connected with the rotating wheel 8, and the second motor 11 is electrically connected with the device base 1.
The clamp plate 9 is six groups, constitute circular structure, the inboard of clamp plate 9 is the arc structure corresponding with bull stick 3, clamp plate 9 is the magnet structure, be used for a centre gripping bull stick 3, the outside of clamp plate 9 just is located and is provided with multiunit air pressure bar 12 between the inboard of device base 1, play the effect of 3 pressure of buffering bull sticks, air pressure bar 12 is fixed connection with clamp plate 9 and device base 1, the inboard of device base 1 is provided with the recess corresponding with air pressure bar 12 and clamp plate 9, be convenient for install.
The top of roller bit 7 is the tubular structure, the installation of being convenient for, roller bit 7's inboard is provided with the screw thread corresponding with bull stick 2 No. one, roller bit 7 is fixed connection with bull stick 2 No. one, the inside of bull stick 2 is hollow structure, roller bit 7's bottom is the opening corresponding with bull stick 2 No. one, roller bit 7 bottom opening is greater than the opening of bull stick 2 inside No. one, roller bit 7's inboard and the bottom surface that is located bull stick 2 No. one are provided with multiunit baffle 13, play the effect of fender, baffle 13 is six groups, constitute circular plate structure, baffle 13 is swing joint with roller bit 7's inboard.
The inside of measuring drill 4 is for temperature measurement and humidity measurement, and the top of measuring drill 4 and the inside that is located No. two bull sticks 3 are provided with No. three bull sticks 14, and No. three bull sticks 14 are fixed connection with measuring drill 4, and the inboard of No. two bull sticks 3 all is provided with corresponding screw with No. three bull stick 14's the outside, and No. three bull sticks 14 are the swing joint with No. two bull sticks 3, rotates through No. two bull sticks 3 and drives No. three bull sticks 14 and rotate downwards.
A plurality of groups of positioning shafts 17 are arranged on the outer side of the second rotating rod 3 and the inner side of the first rotating rod 2, the positioning shafts 17 are fixedly connected with the first rotating rod 2, and the second rotating rod 3 is movably connected with the first motor 5
When the device works, a user pushes the device to a position to be measured, the controller 15 is opened to start the second motor 11, the second motor 11 drives the rotating wheel 8 to rotate, the first rotating rod 2 is driven to rotate by utilizing the corresponding screw thread of the rotating wheel 8 and the first rotating rod 2, so that the roller bit 7 is driven to rotate, the vibration generated by the rotation of the first rotating rod 2 is buffered by the pressure plate 9 and the air pressure rod 12, meanwhile, the positioning shaft 17 is fixedly connected with the first rotating rod 2, the inner side of the positioning shaft is tangent to the second rotating rod 3, so that the first rotating rod 2 cannot drive the second rotating rod 3 to rotate when rotating, the second rotating rod 3 is connected with the first motor 5, the support plates 6 on the two sides of the first motor 5 are fixedly connected with the device base 1 to play a role of auxiliary support, after drilling is completed, the user starts the first motor 5, the first motor 5 drives the second rotating rod 3 to rotate, the second rotating rod 3 utilizes the threads corresponding to the third rotating rod 14 on the inner side to drive the third rotating rod 14 to rotate downwards, wherein the tops of the multiple groups of baffles 13 on the inner side of the roller bit 7 are tangent to the bottom of the second rotating rod 3, the third rotating rod 14 drives the measuring bit 4 to rotate downwards, the baffles 13 can be opened only from the tops, the measuring bit 4 is inserted into the soil from the top, the temperature and the humidity are measured by inserting, the measuring bit 4 can be detached, the later-stage replacement and the taking-out are convenient, the measuring result is convenient to obtain, and the device is practical.
In summary, the second motor 11 is started by the controller 15, the second motor 11 drives the rotating wheel 8 to rotate, the first rotating rod 2 is driven to rotate by the corresponding thread of the rotating wheel 8 and the first rotating rod 2, so that the roller bit 7 is driven to rotate, and the air pressure rod 12 and the pressing plate 9 are combined for use, so that the effect of stable drilling is achieved; the first motor 5 is started through the controller 15, the first motor 5 drives the second rotating rod 3 to rotate, the second rotating rod 3 drives the third rotating rod 14 to rotate downwards by utilizing threads corresponding to the third rotating rod 14 on the inner side, the third rotating rod 14 drives the measuring drill bit 4 to operate, and the ground surface of a drilled hole is subjected to insertion measurement of temperature and humidity, so that the effect of rapid measurement is achieved; through location axle 17 and bull stick 2 fixed connection, and inboard tangent with bull stick 3 No. two, make bull stick 2 when rotating, can not drive bull stick 3 No. two and rotate, and bull stick 3 is connected with motor 5 No. two, mounting panel 6 and the device base 1 fixed connection of motor 5 both sides, the effect of fixed stay has been played, and the top of the inboard multiunit baffle 13 of roller bit 7 is tangent with the bottom of bull stick 3 No. two, the effect of fender has been played, and measure the bit 4 and can open baffle 13, thereby the effect of improvement to equipment protection has been reached.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A temperature measuring device for geothermal exploration, comprising a device base (1), characterized in that: a first rotating rod (2) is arranged inside the device base (1), a second rotating rod (3) is arranged inside the first rotating rod (2), a measuring drill bit (4) is arranged inside the second rotating rod (3), a first motor (5) is arranged on the outer surface of the top of the second rotating rod (3), support plates (6) are arranged on the two sides of the first motor (5) and on the outer surface of the top of the device base (1), a roller bit (7) is arranged on the outer surface of the bottom of the first rotating rod (2) and at the bottom of the device base (1), rotating wheels (8) are arranged on the two sides of the first rotating rod (2) and positioned on the inner side of the device base (1), a plurality of groups of pressing plates (9) are arranged at the bottom of the rotating wheel (8) and on the outer surface of the outer side of the first rotating rod (2), a plurality of groups of supporting legs (10) are arranged on the outer surface of the bottom of the device base (1);
the top of the roller bit (7) is of a cylindrical structure, threads corresponding to a first rotating rod (2) are arranged on the inner side of the roller bit (7), the roller bit (7) is fixedly connected with the first rotating rod (2), the inner part of the first rotating rod (2) is of a hollow structure, the bottom of the roller bit (7) is provided with an opening corresponding to the first rotating rod (2), the opening at the bottom of the roller bit (7) is larger than the opening in the first rotating rod (2), a plurality of groups of baffles (13) are arranged on the inner side of the roller bit (7) and on the outer surface of the bottom of the first rotating rod (2), the six groups of baffles (13) are arranged, and the baffles (13) are movably connected with the inner side of the roller bit (7);
the inside of the measuring drill bit (4) is used for measuring temperature and humidity, a third rotating rod (14) is arranged at the top of the measuring drill bit (4) and positioned inside the second rotating rod (3), the third rotating rod (14) is fixedly connected with the measuring drill bit (4), corresponding threads are arranged on the inner side of the second rotating rod (3) and the outer side of the third rotating rod (14), and the third rotating rod (14) is movably meshed with the second rotating rod (3);
a second motor (11) is arranged inside the rotating wheel (8) and inside the device base (1), the second motor (11) is movably connected with the device base (1), a rotating shaft of the second motor (11) is fixedly connected with the rotating wheel (8), and the second motor (11) is electrically connected with the device base (1);
the device is characterized in that the pressing plates (9) are six groups, the inner sides of the pressing plates (9) are arc-shaped structures corresponding to the first rotating rod (2), the pressing plates (9) are magnet structures, a plurality of groups of air pressure rods (12) are arranged on the outer sides of the pressing plates (9) and between the inner sides of the device base (1), the air pressure rods (12) are fixedly connected with the pressing plates (9) and the device base (1), and grooves corresponding to the air pressure rods (12) and the pressing plates (9) are formed in the inner sides of the device base (1);
a plurality of groups of positioning shafts (17) are arranged on the outer side of the second rotating rod (3) and the inner side of the first rotating rod (2), the positioning shafts (17) are fixedly connected with the first rotating rod (2), and the second rotating rod (3) is movably connected with the first motor (5);
this temperature measuring device adopts bull stick (2) drilling, when bull stick (2) did not pull out, adopts the screw-thread fit of No. two bull sticks (3) and No. three bull sticks (14), makes measurement drill bit (4) that link to each other with No. three bull sticks (14) directly stretch out a bull stick (2) and carry out the measurement of temperature and humidity.
2. A temperature measurement device for use in a geothermal survey according to claim 1, wherein: the device is characterized in that a circular groove corresponding to the outer diameters of a first rotating rod (2) and a roller bit (7) is formed in the device base (1), threads corresponding to a rotating wheel (8) are formed in the outer surface of the outer side of the first rotating rod (2), the first rotating rod (2) is movably meshed with the rotating wheel (8), and a groove corresponding to the rotating wheel (8) is formed in the device base (1).
3. A temperature measurement device for use in a geothermal survey according to claim 1, wherein: the support plate (6) is fixedly connected with the first motor (5) and the device base (1), a controller (15) is arranged on the outer side surface of the device base (1), the controller (15) is electrically connected with the device base (1), the support legs (10) are fixedly connected with the device base (1), rollers (16) are arranged inside the support legs (10), and the rollers (16) are movably connected with the support legs (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297595.3A CN112393768B (en) | 2020-11-18 | 2020-11-18 | Temperature measuring device for geothermal exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297595.3A CN112393768B (en) | 2020-11-18 | 2020-11-18 | Temperature measuring device for geothermal exploration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112393768A CN112393768A (en) | 2021-02-23 |
| CN112393768B true CN112393768B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011297595.3A Expired - Fee Related CN112393768B (en) | 2020-11-18 | 2020-11-18 | Temperature measuring device for geothermal exploration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112393768B (en) |
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