CN107144262A - A kind of double-shaft tilt angle sensor based on conducting probe - Google Patents

A kind of double-shaft tilt angle sensor based on conducting probe Download PDF

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Publication number
CN107144262A
CN107144262A CN201710444619.5A CN201710444619A CN107144262A CN 107144262 A CN107144262 A CN 107144262A CN 201710444619 A CN201710444619 A CN 201710444619A CN 107144262 A CN107144262 A CN 107144262A
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CN
China
Prior art keywords
hole
probe
seal receptacle
circuit
gland
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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.)
Pending
Application number
CN201710444619.5A
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Chinese (zh)
Inventor
吴川
丁华锋
韩磊
吴斐
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China University of Geosciences
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China University of Geosciences
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Filing date
Publication date
Application filed by China University of Geosciences filed Critical China University of Geosciences
Priority to CN201710444619.5A priority Critical patent/CN107144262A/en
Publication of CN107144262A publication Critical patent/CN107144262A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18Measuring inclination, e.g. by clinometers, by levels by using liquids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C2009/182Measuring inclination, e.g. by clinometers, by levels by using liquids conductive

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The present invention provides a kind of double-shaft tilt angle sensor based on conducting probe, including gland, probe, base, solution, conductance liquid tank and seal receptacle;Blind hole is machined with the third level groove on the top of the base, the probe base is arranged in blind hole;The conductance liquid tank bottom is by being threaded into the second level groove of base;The seal receptacle bottom is connected by screw thread with conductance liquid tank upper grooves;Ladder hole corresponding with blind hole is machined with third level groove at the top of the seal receptacle;The gland bottom is machined with boss corresponding with ladder hole, and the centre of boss is equipped with through hole;Gland is positioned in the third level groove at the top of seal receptacle;The through hole of seal receptacle and boss is sequentially passed through at the top of probe;The gland upper center is machined with through hole, and slotting bolt is passed through after the through hole on gland by being threaded into seal receptacle, confined space is thus formed in conductance liquid tank, the solution is contained in the confined space of the conductance liquid tank.

Description

A kind of double-shaft tilt angle sensor based on conducting probe
Technical field
, can be right the present invention relates to landslide monitoring field, more particularly to a kind of double-shaft tilt angle sensor based on conducting probe The deformation angle of deep slip mass is monitored.
Background technology
China's massif is numerous, and landslide disaster is multiple.Landslide generation machine can not be still explained completely in scientific and technical research now In the case of reason and evolutionary process, landslide still has very big sudden and destructiveness.Caused to be prevented effectively from landslide disaster Loss, it is current most effective means that effective monitoring is carried out to landslide and then is predicted.
Common landslide monitoring method can be divided into earth's surface monitoring method and deep monitoring method, and wherein earth's surface monitoring method is only to landslide The landslide such as displacement, precipitation, pore water pressure of body earth's surface changing factor is monitored, because the changing factor on landslide is mostly by sliding Slopes deep produces and gradually spreads to earth's surface, therefore the accuracy of landslide depth monitoring is higher.
Common landslide depth monitoring parameter includes deep displacement, power and pore water pressure etc., and wherein deep displacement is landslide Monitoring and the most important parameter of prediction.Deep soils are often realized with inclinometer, and inclinometer is exactly based on monitoring and slided The deformation inclination angles of slopes calculates slip mass deep displacement.And the inclination data of common inclinometer measurement is one-dimensional data, The inclination data of the axle of some in rectangular coordinate system can only be reflected, therefore result of calculation can only reflect that slip mass is sat at right angle Mark system in some direction displacement projection, and according to based on double-shaft tilt angle sensor carry out inclinometer design, then finally As a result can obtain the displacement projection of slip mass certain both direction in rectangular coordinate system, the displacement data of both direction will more added with Beneficial to being analyzed slip mass and predicted.
The content of the invention
In view of this, The embodiment provides a kind of double-shaft tilt angle sensor based on conducting probe.
Embodiments of the invention provide a kind of double-shaft tilt angle sensor based on conducting probe, including gland, multiple probes, Base, solution, conductance liquid tank, slotting bolt and seal receptacle, the top of the base are provided with three-level groove, wherein third level groove Interior to be provided with multiple blind holes, each interior interference fit of the blind hole, which is provided with the middle part of the second rubber ring, each second rubber ring, processes There is through hole, each probe base is respectively put into corresponding second rubber ring middle through-hole by interference fit and connected with base Touch;The first O-ring is placed with the first order groove of the base, the second level Pocket Machining of the base has screw thread, described Conductance liquid tank bottom is sealed by being threaded into the second level groove of base and compressing the first O-ring;The conductance It is placed with the second O-ring, and conductance liquid tank upper grooves and is threaded in liquid tank upper grooves, seal receptacle bottom passes through spiral shell The second O-ring is compressed while line is connected with conductance liquid tank upper grooves and sealed;It is machined with the top of the seal receptacle The corresponding multiple ladders of multiple blind holes for being machined with three-level groove, wherein third level groove in the third level groove with base lead to It is provided with hole, each ladder hole in the middle part of the first rubber ring, the first rubber ring and is provided with through hole;The gland bottom be machined with it is close The corresponding multiple boss of ladder hole in third level groove at the top of seat are sealed, the centre of each boss is equipped with through hole;Gland is put The third level groove being placed at the top of seal receptacle is interior and allows multiple boss of gland bottom to be in contact with multiple first rubber rings;So The through hole of the boss of seal receptacle, the first rubber ring and gland is sequentially passed through at the top of each probe;The gland upper center is set There is through hole, slotting bolt is passed through after the through hole on gland by being threaded into seal receptacle, while each first rubber ring will be extruded, It is produced radial deformation, sealed so that the probe in the first rubber ring be held tightly, thus form close in conductance liquid tank Space is closed, the solution is contained in the confined space of the conductance liquid tank.
Further, the double-shaft tilt angle sensor also includes temperature seat and temp probe, and the temperature seat middle part is processed There is tapped through hole, temp probe is by being threaded into the tapped through hole;The lower end of the temperature seat is threadedly secured to close On the second recess for sealing seat upper end;Being provided between the temperature seat and the first recess of seal receptacle upper end is used for sealed 3rd O Type circle.
Further, the double-shaft tilt angle sensor also includes circuit board, fixed plate, circuit seat and circuit cabin;It is described Circuit cabin lower end is connected by screw thread with temperature seat upper end, is placed between circuit cabin and temperature seat upper recess for sealing The 4th O-ring, circuit cabin upper end is machined with three-level groove, and circuit seat is by being threaded into the third level groove in circuit cabin It is interior;The fixed plate and circuit seat are provided with corresponding through hole, and fixing bolt sequentially passes through the through hole on fixed plate and circuit seat It is connected afterwards with nut, so that fixed plate is fixed on circuit seat;The circuit board is fixed on fixed plate by fixing screws Top;
Further, the double-shaft tilt angle sensor also includes top cover, water joint and cable, and the top cover lower end passes through Screw thread is connected with circuit cabin upper end second level groove, and being provided between top cover lower end and circuit cabin upper end first order groove is used to seal The 5th O-ring;Be machined with the top cover in ladder hole, ladder hole and be placed with pad, cable sequentially pass through pad and Connection and circuit board after the through hole of water joint, water joint bottom is by being threaded into cable while top cover ladder hole Holding is sealed.
Further, the quantity of described probe is 8.
Further, the equal input circuit plate of the output data of described probe and temp probe, by circuit board to probe And temperature output data handled after draw the inclination angle of twin shaft.
The beneficial effect brought of technical scheme that embodiments of the invention are provided is:The present invention uses double-shaft tilt angle sensor Based on carry out inclinometer design, final result can obtain slip mass certain both direction in rectangular coordinate system displacement throw Shadow, the displacement data of both direction would be more advantageous in being analyzed slip mass and predicted.
Brief description of the drawings
Fig. 1 is a kind of double-shaft tilt angle sensor measurement axle schematic diagram based on conducting probe of the present invention.
Fig. 2 is a kind of double-shaft tilt angle sensor operation principle schematic diagram based on conducting probe of the present invention.
Fig. 3 is a kind of double-shaft tilt angle sensor front view based on conducting probe of the present invention.
Fig. 4 is a kind of double-shaft tilt angle sensor top view based on conducting probe of the present invention.
Fig. 5 is a kind of double-shaft tilt angle sensor A-A diagrammatic cross-sections based on conducting probe of the present invention.
Fig. 6 is a kind of double-shaft tilt angle sensor part gland schematic diagram based on conducting probe of the present invention.
In figure:Water joint 1;2- top covers;3- circuit boards;4- fixing screws;5- circuits cabin;6- circuits seat;7- the 4th is O-shaped Circle;8- temperature seat;The O-rings of 9- the 3rd;10- glands;The rubber rings of 11- first;The O-rings of 12- second;The O-rings of 13- first;14- Two rubber rings;Probe 15;16- bases;17- solution;18- conductance liquid tanks;19- slotting bolts;20- seal receptacles;21- temperature is visited Head;22- nuts;23- fixed plates;24- fixing bolts;The O-rings of 25- the 5th;26- pads;27- cables.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is further described.
It refer to Fig. 1, Fig. 2 and Fig. 3, a kind of double-shaft tilt angle sensing based on conducting probe that embodiments of the invention are provided The front view of device, top view, A-A diagrammatic cross-sections, a kind of double-shaft tilt angle sensor based on conducting probe, including water joint 1st, top cover 2, circuit board 3, fixing screws 4, circuit cabin 5, the 6, the 4th O-ring 7 of circuit seat, the 8, the 3rd O-ring 9 of temperature seat, gland 10th, multiple first rubber rings 11, the second O-ring 12, the first O-ring 13, multiple second rubber rings 14, multiple probes 15, base 16th, solution 17, conductance liquid tank 18, slotting bolt 19, seal receptacle 20, temp probe 21, nut 22, fixed plate 23, fixing bolt 24th, the 5th O-ring 25, pad 26 and cable 27.
The top of the base 16 is machined with three-level groove, is wherein machined with multiple blind holes, Mei Ge in third level groove Two rubber rings 14 are filled in the blind hole in the third level groove of base 16 respectively by interference fit, in each second rubber ring 14 Portion is machined with through hole, and multiple bottoms of probe 15 are filled in the corresponding middle through-hole of second rubber ring 14 simultaneously respectively by interference fit It is in contact with base 16.
The first O-ring 13 is placed with the first order groove of base 16, the second level Pocket Machining of base 16 has spiral shell Line, the bottom of conductance liquid tank 18 is sealed by being threaded into the second level groove of base 16 and compressing the first O-ring 13.
It is placed with the second O-ring 12, and the upper grooves of conductance liquid tank 18 and processes in the upper grooves of conductance liquid tank 18 There is screw thread, compress the second O-ring 12 while the bottom of seal receptacle 20 is connected by screw thread with the upper grooves of conductance liquid tank 18 Sealed.
The top of seal receptacle 20 is machined with three-level groove, and the third level with base 16 is wherein machined with third level groove The corresponding multiple ladder holes of blind hole in groove, each first rubber ring 11 is respectively put into ladder hole;The pressure The bottom of lid 10 is machined with multiple boss corresponding with the ladder hole in the top third level groove of seal receptacle 20, each boss Between be equipped with through hole;Gland 10 is positioned in the third level groove at the top of seal receptacle 20 and ensures each boss of the bottom of gland 10 It is in contact with corresponding each first rubber ring 11;The top of so each probe 15 sequentially passes through seal receptacle 20, the first rubber The through hole of ring 11 and gland 10.
The upper center of gland 10 is machined with through hole, and slotting bolt 19 is revolved after passing through the through hole on gland 10 by screw thread Enter seal receptacle 20, while each first rubber ring 11 will be extruded, it is produced radial deformation, so that by the first rubber ring 11 Probe 15 is held tightly and sealed, and confined space is thus formed in conductance liquid tank 18;The solution 17 is contained in the conductance liquid In the confined space in cabin 18.
The 3rd O-ring 9 is placed with the upper end first order groove of seal receptacle 20, the upper end second level of seal receptacle 20 is recessed Groove processing has a screw thread, 8 lower ends of temperature seat the 3rd O-ring 9 is compressed while being connected by screw thread with seal receptacle 20 carry out it is close Envelope.
The 4th O-ring 7 is placed with 8 upper recess of the temperature seat, the lower end of circuit cabin 5 passes through on screw thread and temperature seat 8 4th O-ring 7 is compressed and sealed by end while being connected.The middle part of temperature seat 8 is threaded through hole, temp probe 21 by being threaded into the tapped through hole.
The upper end of circuit cabin 5 is machined with three-level groove, and circuit seat 6 is by being threaded into the third level groove in circuit cabin 5 It is interior, through hole is machined with circuit seat 6, fixed plate 23 is positioned on circuit seat 6, and fixing bolt 24 sequentially passes through fixed plate 23 and electricity It is connected after through hole on road seat 6 with nut 22, so that fixed plate 23 is fixed on circuit seat 6.
The upper end of fixed plate 23 is threaded through hole, and circuit board 3 is positioned over the top of fixed plate 23, and fixing screws 4 are worn Screwed in after through hole on oversampling circuit plate 3 in the tapped through hole in fixed plate 23, so that circuit board 3 is fixed in fixed plate 23.
The 5th O-ring 25 is placed with the upper end first order groove of circuit cabin 5, the lower end of top cover 2 passes through screw thread and circuit The 5th O-ring 25 is compressed while 5 upper end second level groove connection of cabin and sealed.
Ladder hole is machined with the top cover 2, pad 26 is positioned in the ladder hole, and cable 27 sequentially passes through pad 26 and water joint 1 through hole after reach sensor external, the bottom of water joint 1 is by being threaded into the ladder hole of top cover 2 Cable 27 is held tightly simultaneously and sealed.
A kind of schematic diagram of double-shaft tilt angle sensor part gland 10 based on conducting probe of the present invention is as shown in figure 4, described The quantity of probe 15 be 8, the boss number of part gland 10 is also 8.
Described probe 15 and the equal input circuit plate 3 (connecting line is not drawn into figure) of the output data of temp probe 21, Circuit board 3 draws the inclination angle of twin shaft after being handled by circuit board 3 probe 15 and temperature output data, drawn after processing double The inclination angle of axle is exported through cable 27.
It refer to Fig. 5, a kind of double-shaft tilt angle sensor measurement axle signal based on conducting probe of embodiments of the invention Figure, rectangular coordinate system is set up with the sensor position that the present invention is developed, then the sensor that the present invention is developed can be to figure In x-axis and the inclination angle in the direction shown in y-axis measure.
It refer to Fig. 6, a kind of double-shaft tilt angle sensor operation principle schematic diagram based on conducting probe of the present invention, the electricity The confined space in drain cabin 18 leads to the negative pole of direct current built with solution 17, the now inwall to conductance liquid tank 18, to probe 15 The positive pole of logical direct current, because the electrical conductivity of solution 17 is not 0, then now probe 15, solution 17 and the inwall of conductance liquid tank 18 it Between form current loop, the size of current that each probe 15 can be formed in a current loop, and current loop and probe 15 The depth of immersion solution 17 is directly proportional.(a figures in Fig. 6 are refer to when now sensor levels are placed), and each probe 15 soaks The depth for entering solution 17 is △ h, because the depth △ h that each probe 15 immerses solution 17 are equal, therefore 1# probes 15,2# are visited Electric current in the circuit of pin 15....N# probes 15 is equal;When x-axis or y-axis direction are arbitrarily tilted during sensor haves mercy on Fig. 5, often now The height of the individual immersion of probe 15 solution 17 will change and (refer to the b figures in Fig. 6), 1# probes 15,2# probes 15....N# The depth of the immersion solution 17 of probe 15 is respectively △ h1、△h2、△h3......△hN;Due to △ h1、△h2、△h3......△ hNIt is different, therefore the electric current in 1# probes 15, the circuit of 2# probe 15....N# probes 15 is unequal, and sensor is around twin shaft Inclination angle relation corresponding with the combination existence anduniquess of size and the current value of all probes 15 of each current value of probe 15, according to This principle can be made into double-shaft tilt angle sensor.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero The position of part each other is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (6)

1. a kind of double-shaft tilt angle sensor based on conducting probe, it is characterised in that:Including gland, multiple probes, base, molten Liquid, conductance liquid tank, slotting bolt and seal receptacle, the top of the base are provided with three-level groove, are wherein provided with third level groove Interference fit is provided with the middle part of the second rubber ring, each second rubber ring and is machined with through hole in multiple blind holes, each blind hole, Each probe base is respectively put into corresponding second rubber ring middle through-hole by interference fit and is in contact with base;It is described The first O-ring is placed with the first order groove of base, the second level Pocket Machining of the base has screw thread, the conductance liquid tank Bottom is sealed by being threaded into the second level groove of base and compressing the first O-ring;The conductance liquid tank top It is placed with the second O-ring, and conductance liquid tank upper grooves and is threaded in groove, seal receptacle bottom passes through screw thread and conductance The second O-ring is compressed while liquid tank upper grooves are connected and sealed;Three-level groove is machined with the top of the seal receptacle, The corresponding multiple ladder holes of multiple blind holes for being wherein machined with third level groove in the third level groove with base, Mei Gejie It is provided with terraced through hole in the middle part of the first rubber ring, the first rubber ring and is provided with through hole;The gland bottom is machined with and seal receptacle top The corresponding multiple boss of ladder hole in third level groove, the centre of each boss is equipped with through hole;Gland is positioned over sealing Third level groove at the top of seat is interior and allows multiple boss of gland bottom to be in contact with multiple first rubber rings;So each probe Top sequentially pass through seal receptacle, the first rubber ring and gland boss through hole;The gland upper center is provided with through hole, opens Slot bolt is passed through after the through hole on gland by being threaded into seal receptacle, while each first rubber ring will be extruded, produces it Radial deformation, is sealed so that the probe in the first rubber ring be held tightly, thus forms confined space in conductance liquid tank, institute Solution is stated to be contained in the confined space of the conductance liquid tank.
2. a kind of double-shaft tilt angle sensor based on conducting probe according to claim 1, it is characterised in that:Also include temperature Seat and temp probe are spent, the temperature seat middle part is threaded through hole, and temp probe is by being threaded into the tapped through hole; The lower end of the temperature seat is threadedly secured on the second recess of seal receptacle upper end;The temperature seat and seal receptacle upper end Being provided between first recess is used for sealed 3rd O-ring.
3. a kind of double-shaft tilt angle sensor based on conducting probe according to claim 1, it is characterised in that:Also include electricity Road plate, fixed plate, circuit seat and circuit cabin;Circuit cabin lower end is connected by screw thread with temperature seat upper end, circuit cabin It is placed between temperature seat upper recess for sealed 4th O-ring, circuit cabin upper end is machined with three-level groove, electricity Road seat is by being threaded into the third level groove in circuit cabin;The fixed plate and circuit seat are provided with corresponding through hole, fixed It is connected after through hole in screw bolt passes fixed plate and circuit seat with nut, so that fixed plate is fixed on circuit seat; The circuit board is fixed on fixed plate top by fixing screws.
4. a kind of double-shaft tilt angle sensor based on conducting probe according to claim 1, it is characterised in that:Also include top Lid, water joint and cable, the top cover lower end are connected by screw thread with circuit cabin upper end second level groove, top cover lower end and electricity Being provided between the first order groove of road cabin upper end is used for sealed 5th O-ring;Ladder hole is machined with the top cover, ladder leads to Pad is placed with hole, cable is connected and circuit board after sequentially passing through the through hole of pad and water joint, and water joint bottom leads to Cross to hold cable tightly while being threaded into top cover ladder hole and sealed.
5. a kind of double-shaft tilt angle sensor based on conducting probe according to claim 1, it is characterised in that:Described spy The quantity of pin is 8.
6. a kind of double-shaft tilt angle sensor based on conducting probe according to claim 1, it is characterised in that:Described spy The equal input circuit plate of output data of pin and temp probe, after being handled by circuit board probe and temperature output data Go out the inclination angle of twin shaft.
CN201710444619.5A 2017-06-13 2017-06-13 A kind of double-shaft tilt angle sensor based on conducting probe Pending CN107144262A (en)

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CN201710444619.5A CN107144262A (en) 2017-06-13 2017-06-13 A kind of double-shaft tilt angle sensor based on conducting probe

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108691531A (en) * 2018-05-09 2018-10-23 中国地质大学(武汉) A kind of tool face azimuth sensor based on conductance principle
CN109211440A (en) * 2018-08-15 2019-01-15 中国地质大学(武汉) It is a kind of based on micrometering away from wellbore annulus pressure sensor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1148160A (en) * 1995-02-14 1997-04-23 日商机器株式会社 Biaxial inclination sensor
US6880257B1 (en) * 2004-01-08 2005-04-19 Asia Optical Co., Inc. Signal sampling circuit of a tilt sensor
CN102297682A (en) * 2011-05-23 2011-12-28 国网电力科学研究院 Double-shaft transmission line tower inclination sensor
CN106643633A (en) * 2016-12-28 2017-05-10 重庆大学 Landslide body deep part creep deformation monitoring device and measuring method thereof
CN207351440U (en) * 2017-06-13 2018-05-11 中国地质大学(武汉) A kind of double-shaft tilt angle sensor based on conducting probe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1148160A (en) * 1995-02-14 1997-04-23 日商机器株式会社 Biaxial inclination sensor
US6880257B1 (en) * 2004-01-08 2005-04-19 Asia Optical Co., Inc. Signal sampling circuit of a tilt sensor
CN102297682A (en) * 2011-05-23 2011-12-28 国网电力科学研究院 Double-shaft transmission line tower inclination sensor
CN106643633A (en) * 2016-12-28 2017-05-10 重庆大学 Landslide body deep part creep deformation monitoring device and measuring method thereof
CN207351440U (en) * 2017-06-13 2018-05-11 中国地质大学(武汉) A kind of double-shaft tilt angle sensor based on conducting probe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108691531A (en) * 2018-05-09 2018-10-23 中国地质大学(武汉) A kind of tool face azimuth sensor based on conductance principle
CN109211440A (en) * 2018-08-15 2019-01-15 中国地质大学(武汉) It is a kind of based on micrometering away from wellbore annulus pressure sensor

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Application publication date: 20170908