CN204064231U - For the remote calibration device of the boring deformation instrument of earth deformation measurement of holing - Google Patents
For the remote calibration device of the boring deformation instrument of earth deformation measurement of holing Download PDFInfo
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- CN204064231U CN204064231U CN201420403443.0U CN201420403443U CN204064231U CN 204064231 U CN204064231 U CN 204064231U CN 201420403443 U CN201420403443 U CN 201420403443U CN 204064231 U CN204064231 U CN 204064231U
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Abstract
The utility model discloses a kind of remote calibration device of the boring deformation instrument for earth deformation measurement of holing, this device comprises: micro-displacement apparatus, be provided with mobile displacement drive portion, the measuring pad that displacement drive portion and three extreme difference dynamic condensers of drilling strain gauge decline in the middle of displacement transducer is connected, energy traverse measurement pole plate; Calibrating installation, is installed on three extreme difference dynamic condensers and declines the measuring pad side of displacement transducer, can detect the displacement variable of measuring pad; Demarcate calibration control device, communicate to connect respectively with micro-displacement apparatus and calibrating installation, the displacement variable of the measuring pad that the calibrating installation of reception can be detected sends to being in long-range data processing terminal; And the shift control signal to be sent by data processing terminal is to micro-displacement apparatus transmission, moves three extreme difference dynamic condensers with the displacement drive portion controlling micro-displacement apparatus according to shift control signal and to decline the measuring pad of displacement transducer.This apparatus structure is simple, facilitates long-range demarcation and the calibration of boring deformation instrument.
Description
Technical field
The utility model relates to the demarcation calibration field of drilling strain gauge, particularly relates to the remote calibration device of the boring deformation instrument facilitating linear calibration to calibrate in a kind of earth deformation measurement that can be used for holing.
Background technology
In boring earth deformation measurement, the mode that usual measuring sonde can adopt cement to be coupled and rock coupling, the installation once probe is gone into the well, just cannot take out.In the work reaching more than ten years, all can there is small change along with the factor such as working environment, length of service in the sensor of subsurface equipment and electronic measurement system.And the change of sensor performance, directly affect the quality of observation data.Therefore, seismic instrument industry standard requires that networking subsurface equipment will have down-hole physics static demarcating ability, to subsurface equipment periodic calibrating, can understand its serviceability.What current boring Crustal Deformation Observations instrument adopted is take piezoelectric ceramics as the calibrating device of core, can calibrating instrument scale value, cannot realize linear calibration and calibration.Realize the calibration of boring earth deformation measurement, just require can go into the well probe on install to boring earth deformation measurement calibrating installation, and current calibrating installation due to volume large, cannot coordinate with sensor and can not be arranged on underground probe, and because drived control agreement is inconsistent, be difficult to directly apply in boring earth deformation measurement, realize remote calibration.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of remote calibration device of the boring deformation instrument for earth deformation measurement of holing, can conveniently coordinate with the sensor of drilling strain gauge is arranged on underground probe, and convenient cooperation with long-range data processing terminal realizes long-range linear calibration and calibration, thus solve the existing drilling strain gauge for earth deformation measurement of holing can only down-hole static demarcating, be difficult to the problem realizing long-range linear calibration and calibration easily.
For solving the problems of the technologies described above, the utility model provides a kind of remote calibration device of the boring deformation instrument for earth deformation measurement of holing, and comprising:
Micro-displacement apparatus, is provided with mobile displacement drive portion, and the measuring pad that described displacement drive portion and three extreme difference dynamic condensers of described drilling strain gauge decline in the middle of displacement transducer is connected, and can move described measuring pad;
Calibrating installation, is installed on described three extreme difference dynamic condensers and declines the measuring pad side of displacement transducer, can detect the displacement variable of described measuring pad;
Demarcate calibration control device, communicate to connect respectively with described micro-displacement apparatus and described calibrating installation, the displacement variable of the described measuring pad that the described calibrating installation received can be detected sends to being in long-range data processing terminal; And the shift control signal to be sent by described data processing terminal is to described micro-displacement apparatus transmission, moves described three extreme difference dynamic condensers with the displacement drive portion controlling described micro-displacement apparatus according to shift control signal and to decline the measuring pad of displacement transducer.
The beneficial effects of the utility model are: by can three extreme difference dynamic condensers of mobile drilling strain gauge decline the measuring pad micro-displacement apparatus in the middle of displacement transducer and the calibrating installation that can detect the displacement variable of described measuring pad with demarcate calibration control device and coordinate, the three extreme difference dynamic condensers fully understanding drilling strain gauge decline the duty of displacement transducer and performance, for observation data provides the basic guarantee of science, achieve existing drilling strain gauge down-hole static demarcating level, be increased to down-hole linear calibration and calibrated horizontal.It is little that this device has volume, and precision is high, convenient advantage of being carried out Long-distance Control by long-range data processing terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The drilling strain gauge sensor fixing structure principle schematic that Fig. 1 provides for the utility model embodiment;
The remote calibration device schematic diagram being installed on drilling strain gauge that Fig. 2 provides for the utility model embodiment;
The schematic diagram of the micro-displacement apparatus of the remote control that Fig. 3 provides for the utility model embodiment;
The side view of the micro-displacement apparatus of the remote calibration device that Fig. 4 provides for the utility model embodiment.
Embodiment
Be clearly and completely described the technical scheme in the utility model embodiment below, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
Figure 2 shows that the remote calibration device of a kind of boring deformation instrument for earth deformation measurement of holing that the utility model embodiment provides, be mainly used in boring deformation instrument three extreme difference dynamic condensers decline displacement transducer calibration, comprising:
Micro-displacement apparatus 5, be provided with mobile displacement drive portion 51, the decline measuring pad 42 of displacement transducer 4 (three extreme difference dynamic condensers decline displacement transducer as shown in Figure 1) of displacement drive portion 51 and three extreme difference dynamic condensers of drilling strain gauge is connected, can traverse measurement pole plate 42;
Calibrating installation 6, is installed on three extreme difference dynamic condensers and declines measuring pad 42 side of displacement transducer 4, can detect the displacement variable of measuring pad 42;
Demarcate calibration control device 7, communicate to connect with micro-displacement apparatus 5 and calibrating installation 6 respectively, the displacement variable of the measuring pad 42 that the calibrating installation 6 of reception can be detected sends to being in long-range data processing terminal 8; And the shift control signal to be sent by data processing terminal 8 transmits to micro-displacement apparatus 5, move three extreme difference dynamic condensers with the displacement drive portion 51 controlling micro-displacement apparatus 5 according to shift control signal and to decline the measuring pad 52 of displacement transducer 4.
In above-mentioned remote calibration device, micro-displacement apparatus 5 is arranged on transmission lever 2,3 one end of boring deformation instrument.
In above-mentioned remote calibration device, micro-displacement apparatus 5 structure as shown in Figure 3,4, comprising: platform 52, ceramic motor 5, ceramic sports pair 511 (this ceramic sports pair refers to that material adopts the kinematic pair of the pottery that resistance to wears), slide block 513 and guide rail 512; Each parts are all arranged on platform 52; Slide block is arranged on the displacement drive portion 511 as this micro-displacement apparatus on guide rail, and slide block 513 can move linearly along guide rail 512; The clutch end of pottery motor 5 is connected with slide block 513 by ceramic sports secondary 52, and slide block 513 can be driven along guide rail 512 line shifting, and measuring pad 42 is fixedly connected with slide block 513.This micro-displacement mechanism adopts the ceramic sports pair of ceramic motor through connecting directly to obtain rectilinear motion, avoids and adopts traditional stepper motor, need to be converted to rectilinear motion from rotary motion.Which reduces parts and the size of mechanism, for installation provides feasible in small space.Be equipped with accurate slide block again, measuring pad 42 precise motion in certain space can be made.And the impact of range nonfertilization degree of this motion, be constraint with the length of ceramic sports pair 52.Solve precision and the conflicting problem of range very well.Certainly, final precision, by using the feedback signal of the grating measuring data of resolution 5nm as measuring pad 42, sets up the closed-loop control system of ceramic motor, thus realizes the precision of 1um, and it is linearly excellent is less than 1%.
In above-mentioned micro-displacement apparatus 5, the clutch end of pottery motor 5 is connected specifically by ceramic sports secondary 52 with slide block 513: ceramic sports pair 52 is touched foot by the pottery that can do elliptic motion and formed with the ceramic bar that can do rectilinear motion, pottery touches foot and contacts with each other with ceramic bar and can produce relative motion, the piezoelectric response of pottery motor makes the little tactile foot of pottery produce elliptic motion, the little tactile foot of pottery directly contacts with ceramic bar, due to the effect of friction force, ceramic bar is made to do rectilinear motion, and ceramic bar is connected with slide block, band movable slider rectilinear motion.
In above-mentioned remote calibration device, calibrating installation 6 adopts resolution to be not more than the grating calibrating installation of 5nm.This grating calibrating installation can guarantee the precision measuring displacement.In reality, the grating calibrating installation as calibrating installation 6 can be arranged on the side of the slide block 513 installing and measuring pole plate 42.
In above-mentioned remote calibration device, demarcate calibration control device 7 and comprise: singlechip controller 71, motor driver 72 and fieldbus module (not shown); Wherein,
The serial ports of singlechip controller 71 is electrically connected with fieldbus module, and one end of motor driver 72 is connected with the I/O port of singlechip controller, and the other end of motor driver 72 is electrically connected with the control end of micro-displacement apparatus 5.
Below in conjunction with specific embodiment, the utility model calibrating installation is described further.
As Fig. 1, shown in Fig. 2, be applied to the remote calibration device of drilling strain gauge, mainly the three extreme difference dynamic condensers displacement transducer 4 that declines calibrated, comprise and demarcate calibration control device 7, with the ceramic motor micro-displacement apparatus 5 that is core with take grating as the calibrating installation 6 of core.
As Fig. 1, drilling strain gauge adopts three extreme difference dynamic condensers to decline displacement transducer 4, and three pieces of parallel plate electrodes 41,42,43 of this sensor form the capacitor of two differential change, and middle pole plate is measuring pad 42.As shown in Figure 1, the three extreme difference dynamic condensers displacement transducer 4 that declines is arranged in elasticity steel cylinder probe head wall 1, by special cement and ground-coupled by transmission lever 2,3.Along with probe, under terrestrial stress effect, deformation occurs, three extreme difference dynamic condensers decline the both sides pole plate 41,43 of displacement transducer 4 and the spacing d1 of middle measuring pad 42, d2 meeting respective change, its electric capacity just changes thereupon, according to contacting of the deformation of setting up in advance and electric capacity differential change, by measuring electric capacity, crust deformation can be monitored.
As Fig. 2, remote calibration device 7 declines displacement transducer 4 for testing calibration object with three extreme difference dynamic condensers of drilling strain gauge, coordinated by displacement transducer that the micro-displacement apparatus being core with ceramic motor 5 and three extreme difference dynamic condensers are declined and install, the measuring pad 42 (i.e. capacitor plate 2) of displacement transducer 4 of being declined by three extreme difference dynamic condensers is arranged on micro-displacement apparatus 5, specifically be arranged on the displacement drive portion 51 of micro-displacement apparatus 5, by demarcating calibration control device 7 (in Fig. 2, 71 is singlechip controller, 72 is electric machine controller), receive the signal being in long-range data processing terminal 8, the decline measuring pad 42 (i.e. capacitor plate 2) of displacement transducer 4 of three extreme difference dynamic condensers can be made to produce linear micrometric displacement, thus realize both sides pole plate 41, 43 with the spacing d1 of middle measuring pad 42, the change of d2, the three extreme difference dynamic condensers that record drilling strain gauge 9 gathers decline the delta data of displacement transducer capacity output, the micrometric displacement delta data of measuring pad 42 (i.e. capacitor plate 2) is obtained with the calibrating installation 6 taking grating as core, realize the long-range linear calibration to drilling strain gauge and calibration.
Meanwhile, this remote calibration device has precision high (1um), and linearly excellent (being less than 1%), volume is little, can realize the feature installed and used in popping one's head in.
Above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1., for a remote calibration device for the boring deformation instrument of earth deformation measurement of holing, it is characterized in that, comprising:
Micro-displacement apparatus, is provided with mobile displacement drive portion, and the measuring pad that described displacement drive portion and three extreme difference dynamic condensers of drilling strain gauge decline in the middle of displacement transducer is connected, and can move described measuring pad;
Calibrating installation, is installed on described three extreme difference dynamic condensers and declines the described measuring pad side of displacement transducer, can detect the displacement variable of described measuring pad;
Demarcate calibration control device, communicate to connect respectively with described micro-displacement apparatus and described calibrating installation, the displacement variable of the described measuring pad that the described calibrating installation received can be detected sends to being in long-range data processing terminal; And the shift control signal to be sent by described data processing terminal is to described micro-displacement apparatus transmission, moves described three extreme difference dynamic condensers with the displacement drive portion controlling described micro-displacement apparatus according to shift control signal and to decline the measuring pad of displacement transducer.
2. the remote calibration device of the boring deformation instrument for earth deformation measurement of holing according to claim 1, is characterized in that, described micro-displacement apparatus is arranged on transmission lever one end of described boring deformation instrument.
3. according to the remote calibration device of the boring deformation instrument for earth deformation measurement of holing of claim 1 or 2, it is characterized in that, described micro-displacement apparatus comprises: platform, ceramic motor, ceramic sports pair, slide block and guide rail;
Described each parts are all arranged on the platform;
Described slide block is arranged on described guide rail, and described slide block can move linearly along described guide rail;
The clutch end of described ceramic motor is connected with described slide block by described ceramic sports pair, and described slide block can be driven along described guide rail line shifting.
4. the remote calibration device of the boring deformation instrument for earth deformation measurement of holing according to claim 1, is characterized in that, described calibrating installation adopts resolution to be not more than the grating calibrating installation of 5nm.
5. the remote calibration device of the boring deformation instrument for earth deformation measurement of holing according to claim 1, is characterized in that, described demarcation calibration control device comprises:
Singlechip controller, motor driver and fieldbus module; Wherein,
The serial ports of described singlechip controller is electrically connected with fieldbus module, and one end of described motor driver is connected with the I/O port of singlechip controller, and the other end of described motor driver is electrically connected with the control end of described micro-displacement apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420403443.0U CN204064231U (en) | 2014-07-21 | 2014-07-21 | For the remote calibration device of the boring deformation instrument of earth deformation measurement of holing |
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| CN201420403443.0U CN204064231U (en) | 2014-07-21 | 2014-07-21 | For the remote calibration device of the boring deformation instrument of earth deformation measurement of holing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089571A (en) * | 2014-07-21 | 2014-10-08 | 中国地震局地壳应力研究所 | Remote calibration device of borehole deformation instrument for borehole ground deformation measurement |
| CN112556560A (en) * | 2021-02-22 | 2021-03-26 | 湖南联智科技股份有限公司 | Device and method for monitoring relative slippage of deep soil |
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2014
- 2014-07-21 CN CN201420403443.0U patent/CN204064231U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089571A (en) * | 2014-07-21 | 2014-10-08 | 中国地震局地壳应力研究所 | Remote calibration device of borehole deformation instrument for borehole ground deformation measurement |
| CN104089571B (en) * | 2014-07-21 | 2017-02-01 | 中国地震局地壳应力研究所 | Remote calibration device of borehole deformation instrument for borehole ground deformation measurement |
| CN112556560A (en) * | 2021-02-22 | 2021-03-26 | 湖南联智科技股份有限公司 | Device and method for monitoring relative slippage of deep soil |
| CN112556560B (en) * | 2021-02-22 | 2021-05-28 | 湖南联智科技股份有限公司 | Device and method for monitoring relative slippage of deep soil |
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