CN105091840A - Guide-wheel-free inclinometer for measuring deep displacement of landslide and installation method thereof - Google Patents
Guide-wheel-free inclinometer for measuring deep displacement of landslide and installation method thereof Download PDFInfo
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- CN105091840A CN105091840A CN201510222184.0A CN201510222184A CN105091840A CN 105091840 A CN105091840 A CN 105091840A CN 201510222184 A CN201510222184 A CN 201510222184A CN 105091840 A CN105091840 A CN 105091840A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The invention discloses a guide-wheel-free inclinometer for measuring deep displacement of a landslide and an installation method thereof, wherein the guide-wheel-free inclinometer comprises a PVC pipe, a monitoring box arranged above a pipe orifice of the PVC pipe and a plurality of detection nodes arranged in the PVC pipe, two adjacent detection nodes are connected with a corrugated pipe through cables, each detection node comprises a main probe and four auxiliary probes, the main probe and the four auxiliary probes are sequentially connected in series through the cables, and the main probe and the adjacent auxiliary probes as well as the two adjacent auxiliary probes are connected through corrugated pipes; a data acquisition module, a data transmission module and a power supply module are arranged in the monitoring box; the data acquisition module is used for acquiring data from the main probe; the data transmission module is used for transmitting the data acquired by the data acquisition module to a remote data server center through a GPRS transmission network; the power supply module supplies power to the data acquisition module and the data transmission module. The invention can facilitate the field installation and construction, has accurate measurement, and can realize automatic measurement and real-time dynamic monitoring.
Description
Technical field
The present invention relates to landslide deviational survey field, be specifically related to a kind of for landslide depth displacement measure without guide wheel inclinator and installation method thereof.
Background technology
The distortion on landslide is all the inside (deep) starting from sliding mass at first, more progressively develops into earth's surface.Tiltmeter (also known as borehole inclinometer) is the monitoring instrument that geological hazard body deep displacement is waited on a kind of very important landslide, so be also referred to as interior instrument, it is the variable angle amount by measuring between inclinometer pipe axis and pedal line, realize monitoring the deep biosphere of Rock And Soil, can effectively judge landslide-slip zone position, understanding sliding mass deep deformation situation, providing foundation for evaluating Landslide Stability.
In Geological Hazards Monitoring field, usual employing be that stationary slope level and sliding inclinometer two kinds of monitoring instruments carry out surveying work, analyze according to current service condition, all there is segmental defect in these two kinds of monitoring instruments, subject matter shows following several respects in the course of work and data acquisition.
Stationary slope level is fixedly mounted on the privileged site of inclinometer pipe some deviational survey sensors, carries out tilt angle varied that is continuous, local location automatically and measures.Due to the restriction by space and cost, the instrument limited amount installed in deviational survey hole, the spacing between instrument is also longer.In actual applications, many employings 3 are popped one's head in installation form, namely the method for boring prospecting is first adopted, construction one boring on landslide, by rock core situation determination position of slip surface, or application sliding inclinometer carries out measurement in early stage to boring, determine this main sliding face position, landslide, then on sliding surface top, a stationary slope level probe is respectively installed in sliding surface place and sliding surface bottom, carries out landslide depth displacement measurement.Subjectivity (experience) and objective (core quality) error in judgement may be there is in the method due to core analysis determination sliding surface, and carrying out in measuring process in early stage with sliding inclinometer, because the manual measurement time is shorter, landslide is in the factors such as slow creep phase, the factors such as sliding surface performance is not obvious cause sliding surface to judge to be inaccurate, stationary slope level is measured can not reflect the typical case that landslide depth displacement is out of shape, even if or sliding surface accuracy of judgement, 3 probes are also difficult to the change in displacement situation comprehensively measuring this boring complete opening, the misalignment of whole hole section is deduced with limited measuring point, error is larger, and can need to carry out the calibration work such as correction at zero point because of position relationship adjustment, installation is cumbersome.In addition in the deformation process on landslide, also can generate secondary sliding surface, use this monitoring method, larger difficulty is also existed to the judgement of secondary sliding surface.
Sliding inclinometer can carry out continuously with predetermined measurement uniform distances in inclinometer pipe, measure angle between inclinometer pipe axis and pedal line piecemeal.By calculating the horizontal shift that can obtain segmentation, after accumulation calculating, obtain total displacement and the change in displacement situation along the whole hole depth of tubular axis line.But when there is moderate finite deformation in landslide, inclinometer pipe is extrusion in sliding mass, when even being cut off, surveying instrument transferring in inclinometer pipe will be hindered, boring is even caused to be scrapped, the measurement of complete opening section cannot be completed, also the overall process of deep gliding mass slippage can not just be measured, and sliding inclinometer measuring process bothers very much, substantially cannot realize automatic measurement, cannot realize real-time automatic monitoring and dynamic monitoring, such gliding mass slip data acquisition not in time, incomplete, leakage is adopted more.At present on reservoir area of Three Gorges and other places, due to the distortion of inclinometer pipe, cause a lot of deep soils hole cisco unity malfunction and scrap, having a strong impact on the collection of Monitoring Data, and these boring will be repaired, an input especially.
In addition, traditional fixed inclinator needs the connection of inclinometer pipe to coordinate in installation process, and instrument itself also needs to install the utility appliance such as guide wheel, universal joint and could install smoothly, unavoidably makes troubles to instrument production and in-site installation.More seriously, because more piece inclinometer pipe is interconnected, instrument, by the problem of unavoidable generation windup-degree, needs a kind of new measuring method to solve this problem, simplifies installation process simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of for landslide depth displacement measure without guide wheel inclinator and installation method thereof, solve current tiltmeter carry out coming down in deviational survey there is installation inconvenience, sliding surface judge inaccurate, the problem that the dark deformation data acquisition of complete opening and inclinometer pipe exist windup-degree cannot be carried out.
The present invention for achieving the above object, by the following technical solutions realize: a kind of for landslide depth displacement measure without guide wheel inclinator, comprise pvc pipe, monitoring case above the mouth of pipe being arranged on pvc pipe and the some probe nodes laid continuously at the bottom of from the mouth of pipe of pvc pipe to pipe, adjacent two probe nodes are connected with corrugated tube by cable, each probe node comprises a main probe and four secondary probes, main probe is connected by cable successively with four secondary probes, and main probe pop one's head in adjacent pair between and adjacent two secondary pop one's head between be all connected by corrugated tube,
Data acquisition module, data transmission module and supply module is provided with in described monitoring case;
Data acquisition module: for main probe acquires data;
Data transmission module: for data that data collecting module collected is arrived by GPRS transmission Internet Transmission to remote data server center;
Supply module: for data acquisition module and data transmission module are powered.
In this programme, cable connects for the signal between realizing popping one's head in, corrugated tube for guaranteeing the arbitrarily angled flexible rotating ability that has between each probe node by a relatively large margin, with the change requirement of match-drilled; Secondary probe is used for carrying out perception to the angle change of self-position, then export with the form of digital quantity, and main probe is except gathering the sensing data of self, also to gather the data of four secondary probes, and reach data acquisition module after these data being gathered, send data to remote server center finally by data transmission module.The data transmission module mentioned in this programme, data acquisition module are prior art, usually use in data processing field, no longer do too much introduction and explanation at this.
Further, preferably, be provided with circuit board in described main probe, this circuit board comprise electric power management circuit, cpu circuit, memory cell circuit, telecommunication circuit, passage bridge control circuit, angular transducer, data acquisition circuit and electronic compass;
Electric power management circuit: for providing working power for probe node;
Cpu circuit: for realizing all control and the management function of probe node;
Storage circuitry: for realizing the preservation to configuration parameter and measurement result;
Passage bridge control circuit: under the control and management of cpu circuit, realizes controlling any switching laws of all angular transducer output signals of main probe;
Data acquisition circuit: for realizing the analog-digital conversion function to angle sensor output signal;
Telecommunication circuit: realize and the data of data acquisition equipment and the interactive function of order with RS485 communication mode;
Angular transducer: for realizing the perception changed the corner angle of main probe position, and export with digital quantity form;
Electronic compass: for realizing the perception of the azimuth position of main probe position, and export with digital quantity form.
Further, preferably, described each pair probe is provided with internal circuit, this internal circuit comprises passage bridge control circuit and angular transducer, described passage bridge control circuit, under the control and management of the cpu circuit of main probe, realizes controlling any switching laws of all angular transducer output signals of this pair probe; Angular transducer realizes the perception of the angle change to this pair probe position, and exports with digital quantity form.
Further, preferably, described angular transducer is high precision MEMS acceleration angular transducer.
Further, preferably, described main probe and secondary probe adopt copper tube or aluminium-alloy pipe to carry out potting.
Further, the length of described main probe and secondary probe is 0.5 meter.The degree of depth of boring is generally the integral multiple of 10 meters, and complete opening continuous inclinometer takes the design of 2.5 meters of probe nodes, can mate the boring of any degree of depth.
For installing the method without guide wheel inclinator that landslide depth displacement is measured, comprise following installation steps:
A () selects a sliding mass on basement rock, and a boring of constructing on sliding mass;
B the pvc pipe connected, by pvc pipe connection segment, then vertically inserts in boring by ();
C the gap sand-cement slurry between () pvc pipe and boring is filled, make pvc pipe be fixed in boring;
D probe node is put into pvc pipe by (), with fine sand backfill, make probe node be fastened in pvc pipe;
E monitoring case is arranged on the aperture place of boring by (), in order to gather, to transmit complete opening deviational survey data.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) mode of the present invention by probe designs being become multiple probe node to connect, probe node is in series by a main probe and four secondary probes, the length of each probe is 0.5 meter, the length of a probe node is 2.5 meters, the degree of depth due to boring is generally the integral multiple of 10 meters, complete opening continuous inclinometer takes 2.5 meters as the design of a probe node, the boring of any degree of depth can be mated, be convenient to install, coverage is more complete simultaneously, also the displacement data obtaining the degree of depth arbitrarily in boring is convenient to, solve conventional fixed-type inclinator due to probe limited amount or installation site inaccurate and the problem of sliding mass deformation tendency can not be reflected.
(2) adopt hollow corrugated pipe to connect between probe node of the present invention, there is arbitrarily angled flexible rotating ability (can bend arbitrarily within the scope of ± 60 °) by a relatively large margin, profile change requirement can be mated fully.
(3) external diameter of probe node of the present invention is less than 22mm, belongs to small scale type in ground monitoring instrument, simultaneously because employing corrugated tube realizes the connection between probe node, makes it have flexible folding performance, is easy to packed and transported and in-site installation.
(4) traditional tiltmeter needs the auxiliary of inclinometer pipe just can measure, but the installation of inclinometer pipe extremely bothers, and needs the operations such as location, assembling, adhesive tape winding, brings great inconvenience to site operation.And the present invention adopts pvc pipe to substitute traditional inclinometer pipe, not only eliminate above-mentioned loaded down with trivial details operation, improve the installation effectiveness of whole tiltmeter, and probe is without the need to designing guide wheel, enormously simplify the physical construction of tiltmeter, also make the direction of measurement of popping one's head in no longer be confined to the guide groove direction of inclinometer pipe.
(5) inclinometer pipe of traditional tiltmeter is in connection procedure, and along with the growth of inclinometer pipe length, inevitably there is windup-degree problem, traditional tiltmeter can only measure drift angle, cannot measure torsion angle, bring measuring error thus.The present invention, can the geographic position of the main probe position of perception by after the HM5883L electronic compass that arranges Honeywell company in main probe, and exports with digital quantity form, thus effectively solves windup-degree problem, makes measurement result more accurate.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present invention;
Fig. 2 is the annexation schematic diagram between probe node of the present invention;
Fig. 3 is the structural representation of probe node of the present invention;
Fig. 4 is the circuit composition structural representation of main probe;
Fig. 5 is the circuit composition structural representation of secondary probe;
Fig. 6 is measuring principle figure of the present invention.
The name that in figure, Reference numeral is corresponding is called: 1, pvc pipe, 2, monitoring case, 3, main probe, 4, secondary probe, 5, cable, 6, corrugated tube, 7, probe node, 8, basement rock, 9, sliding mass.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment:
As shown in Figure 1, Figure 2, Figure 3 shows, described in the present embodiment a kind of for landslide depth displacement measure without guide wheel inclinator, the some probe nodes 7 comprising pvc pipe 1, be arranged on the monitoring case 2 above the mouth of pipe of pvc pipe 1 and lay continuously at the bottom of from the mouth of pipe of pvc pipe 1 to pipe, the quantity of probe node 7 can be determined according to specific needs, requires to be as the criterion can meet hole depth.Adjacent two probe nodes 7 are connected with corrugated tube 6 by cable 5, each probe node 7 comprises a main probe 3 and four secondary probes 4, main probe 3 and four are secondary pop one's head in and 4 to be connected successively by cable 5, and main probe 3 and adjacent pair are popped one's head between 4 and adjacent two pairs are popped one's head between 4 is all connected by corrugated tube 6.
Particularly, data acquisition module, data transmission module and supply module is provided with in the monitoring case 2 of the present embodiment, data acquisition module is used for main probe 3 image data, data transmission module is used for the data that data collecting module collected arrived by GPRS transmission Internet Transmission to remote data server center, and supply module is that data acquisition module and data transmission module are powered.In addition, in order to enable this tiltmeter be operated in field for a long time, solar panel can be adopted to be that whole tiltmeter is powered.
As shown in Figure 4, as preferably, circuit board is provided with in the main probe 3 of the present embodiment, this circuit board comprises electric power management circuit, cpu circuit, memory cell circuit, telecommunication circuit, passage bridge control circuit, angular transducer, data acquisition circuit and electronic compass, electric power management circuit is used for providing working power for probe node 7; Cpu circuit is for realizing all control and the management function of probe node 7; Storage circuitry is for realizing the preservation to configuration parameter and measurement result; Passage bridge control circuit, under the control and management of cpu circuit, realizes controlling any switching laws of all angular transducer output signals of main probe 3; Data acquisition circuit is for realizing the analog-digital conversion function to angle sensor output signal; Telecommunication circuit realizes and the data of data acquisition equipment and the interactive function of order with RS485 communication mode; Angular transducer for realizing the perception changed the corner angle of main probe position, and exports with digital quantity form; Electronic compass for realizing the perception of the azimuth position of main probe 3 position, and exports with digital quantity form.
As shown in Figure 5, preferably, each pair probe 4 of the present embodiment is provided with internal circuit, this internal circuit comprises passage bridge control circuit and angular transducer, passage bridge control circuit, under the control and management of the cpu circuit of main probe 3, realizes controlling any switching laws of all angular transducer output signals of this pair probe; Angular transducer realizes the perception of the angle change to this pair probe position, and exports with digital quantity form.
The angular transducer of the present embodiment is high precision MEMS acceleration angular transducer, and high precision MEMS acceleration angular transducer is a kind of existing sensor, with realizing in the present embodiment measuring comparatively accurately.
In order to ensure the sealing of each probe node 7 whole process, main probe 3 and the secondary probe 4 of the present embodiment adopt copper tube or aluminium-alloy pipe to carry out potting, resistance to more than 2MPa hydraulic pressure.In addition, instrument cable leading-out terminal realizes sealing by fluid sealant, and main probe all adopts corrugated tube to be connected between popping one's head in pair, and junction also seals with fluid sealant.
Further, for the ease of installing, coverage is more complete simultaneously, be convenient to the displacement data obtaining the degree of depth arbitrarily in boring, solve conventional fixed-type inclinator due to probe limited amount or installation site inaccurate and the problem of sliding mass deformation tendency can not be reflected, the main probe 3 of the present embodiment and the length of secondary probe 4 are 0.5 meter, namely the length of a probe node 7 is just 2.5 meters, because the degree of depth of generally holing is generally the integral multiple of 10 meters, complete opening continuous inclinometer takes the design of 2.5 meters of probe nodes, can mate the boring of any degree of depth.
The concrete installation process of this tiltmeter is as follows: first, and basement rock 8 is selected a sliding mass 9, and a boring of constructing on sliding mass 9, boring aperture is not less than 50mm, and boring aperture is slightly larger than the caliber of pvc pipe; General comparatively dark owing to holing, can reach tens meters of rice even up to a hundred, therefore need pvc pipe 1 connection segment, connection segment mode is identical with the connected mode of current PCV water pipe, and the pvc pipe bottom in the present invention adopts PVC plug to shut; Then the pvc pipe 1 connected vertically is inserted in boring; Pvc pipe 1 inserts after in boring, and the gap sand-cement slurry between pvc pipe 1 and boring is filled, and makes pvc pipe 1 be fixed in boring, and filling concrete mortar adopts current existing dedicated pump to pour into, and to guarantee that filled with mortar is closely knit, makes pvc pipe fixed; Probe node 7 is put into pvc pipe 1, and with fine sand backfill, fine sand selects particle diameter to be 0.1mm ~ 0.25mm, and when backfill fine sand, available water carries out filling, makes fine sand more closely knit in pvc pipe, makes probe node 7 be fastened in pvc pipe; Monitoring case 2 is arranged on the aperture place of boring, in order to gather, to transmit complete opening deviational survey data.After installing, the corrugated tube 6 that probe node 7 and cable 5 pass hollow transmits step by step, and from first to last remain unit cable outlet form, each probe node 7 can be connected as required, measures needs with satisfied different hole depth.
The measuring principle of this tiltmeter is as follows:
As shown in Figure 6, complete opening inclinator measures the angle theta i of inclinometer pipe and pedal line piecemeal in pvc pipe by inclinator gauge length L, obtains different elevation place horizontal shift di respectively, namely
d
i＝Lsinθ
i
Add up piecemeal by measuring point bottom pvc pipe, the real standard displacement bi at arbitrary elevation place can be obtained,
That is:
And pvc pipe mouth of pipe cumulative horizontal displacement is B:
The angle recorded according to each probe (comprising main probe and secondary probe) and directional data, can draw the situation of change of the horizontal shift along the different hole depth of inclinometer pipe axis.In above-mentioned formula: d
ifor the horizontal shift of measuring section; L is the section length of measurement point, i.e. instrument gauge length; θ
ifor the angle of measuring section inclinometer pipe and pedal line; b
ifor starting the horizontal shift of i-th measuring point at the bottom of hole; B is that this measures the horizontal shift of the mouth of pipe; N is this monitoring holes number of fragments, and n=H/L, H are hole depth.
The present embodiment is measured landslide by the tiltmeter of said structure, compares traditional deviation survey equipment and deviational survey mode, can obtain following beneficial effect:
(1) because the distortion on landslide is all the inside starting from sliding mass at first, when landslide is in slow creep phase, sliding surface generally shows not obvious, stationary slope level traditional at present, under the impact of the factors such as probe limited amount, installation site are inaccurate, often all accurately can not reflect the real displacement deformation on landslide.And the mode of the present invention by probe designs being become multiple probe node to connect, probe node is in series by a main probe and four secondary probes, each probe length is 50 centimetres, a node is 2.5 meters, inclino-probe realizes installing continuously in whole boring, and then obtain the displacement data of the degree of depth arbitrarily in boring, namely the Landslide Deformation of the degree of depth all can be accurately detected arbitrarily, can reflect the concrete deformation on landslide strictly according to the facts.
(2) what the present invention realized is the continuous laying of (at the bottom of the mouth of pipe to pipe) inclino-probe in complete opening depth range, and between each inclino-probe, adopt a cable to realize series connection, i.e. single cable lead-out mode, compensate for probe limited amount in traditional tiltmeter hole and the too much defect of outlet, be convenient to Installation and Measurement.
(3) traditional tiltmeter needs the auxiliary of inclinometer pipe just can measure, but the installation of inclinometer pipe extremely bothers, and needs the operations such as location, assembling, adhesive tape winding, brings great inconvenience to site operation.And the present invention adopts pvc pipe to substitute traditional inclinometer pipe, not only eliminate above-mentioned loaded down with trivial details operation, improve the installation effectiveness of whole tiltmeter, and probe is without the need to designing guide wheel, enormously simplify the physical construction of tiltmeter, reduce cost of products, also make the direction of measurement of popping one's head in no longer be confined to the guide groove direction of inclinometer pipe, owing to adopting corrugated tube to connect, probe can match-drilled vergence direction arbitrarily, make measurement more accurate, precision is higher.
(4) inclinometer pipe of traditional tiltmeter is in connection procedure, and along with the growth of inclinometer pipe length, inevitably there is windup-degree problem, traditional tiltmeter can only measure drift angle, cannot measure torsion angle, bring measuring error thus.After the present invention passes through to arrange electronic compass in main probe, can the position angle of the main probe position of perception, and export with digital quantity form, drift angle measurement range is-60 ~+60 degree, comparatively conventional bevel instrument has a distinct increment, still can measure when coming down and larger displacement occurring, thus effectively solve windup-degree problem, make measurement result more accurate.
(5) in addition, cruciform universal joint is often used in the process that traditional inclinator is measured landslide depth displacement, this universal joint volume is larger, and due to reasons such as mechanical structure and working environments, easily impurity is snapped between joint spider and universal joint, especially in pvc pipe, fill fine sand as the present invention, easily cause especially turning to difficulty, impact is measured.And the present invention adopts corrugated tube to carry out the connection of probe node and probe, structure is simple, both can play connection function, there is again arbitrarily angled flexible rotating ability (can bend arbitrarily within the scope of ± 60 °) by a relatively large margin, profile change requirement can be mated fully.
(5) the present invention can also realize the utilization again of discarded boring.After there is comparatively serious landslide, occur certain dislocation in boring, now, traditional inclinometer pipe distortion is serious, and tiltmeter cannot along the runner movement on inclinometer pipe, and namely boring is scrapped.And the present invention is due to without the need to chute, measurement of angle can be realized by the geographic position of the main probe position of perception, therefore, scrapping installation the present invention in boring, both can reduce boring cost, and having shortened installation period again.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (7)
1. one kind for landslide depth displacement measure without guide wheel inclinator, it is characterized in that: comprise pvc pipe (1), monitoring case (2) above the mouth of pipe being arranged on pvc pipe (1) and the some probe nodes (7) laid continuously at the bottom of pipe from the mouth of pipe of pvc pipe (1), adjacent two probe nodes (7) are connected with corrugated tube (6) by cable (5), each probe node (7) comprises a main probe (3) and four secondary probes (4), main probe (3) is connected by cable (5) successively with four secondary pop one's head in (4), and main probe (3) is popped one's head between (4) with adjacent pair and adjacent two secondary probes between (4) are all connected by corrugated tube (6),
Data acquisition module, data transmission module and supply module is provided with in described monitoring case (2);
Data acquisition module: for main probe (3) image data;
Data transmission module: for data that data collecting module collected is arrived by GPRS transmission Internet Transmission to remote data server center;
Supply module: for data acquisition module and data transmission module are powered.
2. according to claim 1 a kind of for landslide depth displacement measure without guide wheel inclinator, it is characterized in that: be provided with circuit board in described main probe (3), this circuit board comprise electric power management circuit, cpu circuit, memory cell circuit, telecommunication circuit, passage bridge control circuit, angular transducer, data acquisition circuit and electronic compass;
Electric power management circuit: for providing working power for probe node (7);
Cpu circuit: for realizing all control and the management function of probe node (7);
Storage circuitry: for realizing the preservation to configuration parameter and measurement result;
Passage bridge control circuit: under the control and management of cpu circuit, realizes controlling any switching laws of all angular transducer output signals of main probe (3);
Data acquisition circuit: for realizing the analog-digital conversion function to angle sensor output signal;
Telecommunication circuit: realize and the data of data acquisition equipment and the interactive function of order with RS485 communication mode;
Angular transducer: for realizing the perception changed the corner angle of main probe position, and export with digital quantity form;
Electronic compass: for realizing the perception of the azimuth position of main probe (3) position, and export with digital quantity form.
3. according to claim 2 a kind of for landslide depth displacement measure without guide wheel inclinator, it is characterized in that: described each pair probe (4) is provided with internal circuit, this internal circuit comprises passage bridge control circuit and angular transducer, described passage bridge control circuit, under the control and management of the cpu circuit of main probe (3), realizes controlling any switching laws of all angular transducer output signals of this pair probe; Angular transducer realizes the perception of the angle change to this pair probe position, and exports with digital quantity form.
4. according to Claims 2 or 3 a kind of for landslide depth displacement measure without guide wheel inclinator, it is characterized in that: described angular transducer is high precision MEMS acceleration angular transducer.
5. according to claim 1 a kind of for landslide depth displacement measure without guide wheel inclinator, it is characterized in that: described main probe (3) and secondary (4) employing copper tube or the aluminium-alloy pipe of popping one's head in carry out potting.
6. according to claim 1 a kind of for landslide depth displacement measure without guide wheel inclinator, it is characterized in that: the pop one's head in length of (4) of described main probe (3) and pair is 0.5 meter.
7., for installing a kind of method without guide wheel inclinator measured for landslide depth displacement described in any one of claim 1 ~ 6, it is characterized in that: comprise following installation steps:
A () at upper selection one sliding mass (9) of basement rock (8), and is holed in the upper construction one of sliding mass (9);
B the pvc pipe (1) connected, by pvc pipe (1) connection segment, then vertically inserts in boring by ();
C the gap sand-cement slurry between () pvc pipe (1) and boring is filled, make pvc pipe (1) be fixed in boring;
D probe node (7) is put into pvc pipe (1) by (), with fine sand backfill, make probe node (7) be fastened in pvc pipe (1);
E () will monitor the aperture place that case (2) is arranged on boring, in order to gather, to transmit complete opening deviational survey data.
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