CN105973199A - Measuring device and method suitable for slip mass depth gradient - Google Patents
Measuring device and method suitable for slip mass depth gradient Download PDFInfo
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- CN105973199A CN105973199A CN201610320299.8A CN201610320299A CN105973199A CN 105973199 A CN105973199 A CN 105973199A CN 201610320299 A CN201610320299 A CN 201610320299A CN 105973199 A CN105973199 A CN 105973199A
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- measurement apparatus
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- acceleration sensor
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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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Abstract
The invention discloses a measuring device and method suitable for a slip mass depth gradient. The measuring device comprises a measuring unit and an exploring tube for packaging the measuring unit, wherein the measuring unit comprises a dual-axis acceleration sensor vertically packaged in a capsulated shell, a microprocessor and a data transmission circuit sequentially connected with the dual-axis acceleration sensor, and a supply circuit connected with the dual-axis acceleration sensor, the microprocessor and the data transmission circuit at the same time. According to the measuring device and method suitable for the slip mass depth gradient provided by the invention, a plurality of measuring devices are arranged in the same vertical shaft in a cascade connection way, and a deviation angle of each measuring point is simply and quickly calculated through acquiring the gravitational acceleration of each measuring point, so that a landslide surface is accurately confirmed. According to the measuring device and method suitable for the slip mass depth gradient provided by the invention, the quantity and the positions of the measuring devices can be flexibly adjusted according to an actual monitoring object, the construction is simple and convenient, higher antijamming capability is achieved, and the accuracy and the effectiveness of data acquisition are ensured.
Description
Technical field
The present invention relates to slip mass Geological Hazards Monitoring field, be specifically related to a kind of measurement apparatus being suitable to slip mass deep gradient and method.
Background technology
China is one of country the most serious by landslide disaster in the world, and landslide, mountain region causes massive losses to people life property safety, and therefore, in seismic survey in mountainous area is monitored, the monitoring to slip mass is particularly important.
In all kinds of parameters of monitoring slip mass, the deep gradient measurement of slip mass is very important parameter, can calculate slip mass internal distortions mechanism by measuring the change of the inclination angles between two adjacent measurement apparatus, determine sliding surface position.
Slip mass deep gradient typically uses measuring point type inclination measurement method, measuring point type gradient measurement to be divided into again portable gradient measurement and fixed gradient measurement.Portable inclination measurement method needs to install in slip mass measures pipe, and installs guide rail in measuring pipe, and inclined angle measuring instrument is by guide rail slipping over from guide rail interior from top to down, the angle of inclination of pointwise record measurement；The advantage of the method is can to measure the data of each point accurately, and then can be given closer to actual displacement curve；But, the method difficulty of construction is big and can not realize the purpose of real-time automatic monitoring.Fixed inclination measurement method is by measuring the fixed position mounting inclination angle degree measuring instrument of pipe, and real time record installs the angle of inclination pointed out；Although the method is relatively poor in precision, but the purpose of real-time automatic monitoring can be realized, therefore, engineering is extensively applied, but, the tiltometer of fixed gradient measurement is completely fixed relative to measuring pipe, is therefore difficult to be adjusted number of sensors and position according to actual monitoring object.
Summary of the invention
For overcoming the problems referred to above of the prior art, the invention provides a kind of measurement apparatus being suitable to slip mass deep gradient and method, according to actual monitoring object, quantity and the position of measurement apparatus can be adjusted flexibly, construction is simple, quick, there is stronger capacity of resisting disturbance, it is ensured that the accuracy of data acquisition and effectiveness.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of measurement apparatus being suitable to slip mass deep gradient, including measuring unit with for encapsulating the inserting tube of described measuring unit；Described inserting tube includes the capsule-type shell for encapsulating measuring unit, is close to the waterproof casings of capsule-type housing exterior, and be respectively arranged at capsule-type shell upper and lower end to top connection with to lower contact；Described measuring unit includes the double-axel acceleration sensor being vertically mounted in capsule-type shell, the microprocessor being connected with described double-axel acceleration sensor successively and data transmission circuit, and the power supply circuits being simultaneously connected with described double-axel acceleration sensor, microprocessor, data transmission circuit；The upper end of described capsule-type shell is provided with the opening being easy to data transmission circuit with external connection.
Preferably, described data transmission circuit is RS485 communication chip.
Preferably, described capsule-type shell is made by stainless steel, and described waterproof casings is made by marine glue.
Preferably, described it is made by the material being prone to cutting to top connection with to lower contact.
Preferably, described mutually agree with the internal structure to lower contact to top connection.
Present invention also offers the measuring method of this measurement apparatus, comprise the following steps:
(1) according to the degree of depth of slip mass vertical shaft, determine the quantity of measurement apparatus, multiple measurement apparatus are sequentially connected with and are the most vertically embedded in slip mass vertical shaft；
(2) the respective double-axel acceleration sensor of the microprocessor driven of each measurement apparatus obtains the X-axis component g of measurement point gravity acceleration gxWith Y-axis component gy,
Utilize formula, calculate each measure point relative to coordinate system deflection angle and, calculate each measure point relative to coordinate system deflection angle and；Recycling formula, calculating each some angle of inclination relative to Z axis, wherein n >=1, and n of measuring is integer；
(3) real-time period gathers the data of each measurement point double-axel acceleration sensor, is obtained by formula, calculates each deviation angle measuring point；
(3) real-time period gathers each data measuring some double-axel acceleration sensor, is obtained by formula, calculates each deviation angle measuring point；
(4) find catastrophe point according to each deviation angle measuring point, thus calculate slip mass sliding surface.
Further, in described step (1), each measurement apparatus is connected with each other to lower contact or to top connection by respective, and the mounting distance between two measurement apparatus is adjusted to lower contact or to the length of top connection by cutting.
Yet further, in described step (1), the data transmission circuit of each measurement apparatus described is all connected with RS485 bus.
Preferably, in described step (2), gravity acceleration g is measurement point geographic coordinate system XnYnZnIn acceleration of gravity, wherein XnFor north orientation coordinate axes, YnFor east orientation coordinate axes, ZnFor ground to coordinate axes.
Compared with prior art, the method have the advantages that
(1) measuring unit in the present invention is made up of double-axel acceleration sensor, microprocessor and data transmission circuit, convert analog signals into digital signal in the shaft, outside by RS485 bus transfer to vertical shaft, there is stronger capacity of resisting disturbance, improve the accuracy of data acquisition；By inserting tube, measuring unit is packaged composition measuring apparatus, and the two ends up and down of inserting tube arrange joint, it is simple to the connection between measurement apparatus, improve the layout efficiency of measurement apparatus.
(2) mutually the agreeing with measurement apparatus from downward joint design to top connection in the present invention, and use the material of easy cutting to make, it is simple to according to actual monitoring object, quantity and the position of measurement apparatus are adjusted flexibly；Stainless steel is used to make for encapsulating the capsule-type shell of measuring unit; and outside it, it is provided with waterproof casings, measuring unit is carried out dual waterproof, moisture protection, it is ensured that measurement apparatus is stable in data acquisition, intact; can repeatedly recycle, reduce cost.
(3) present invention installs multiple measurement apparatus in same a bite vertical shaft cascade, by gathering each deviation angle measuring point, can determine the cusp node of deviation angle simply, accurately and rapidly, accurately calculate the landslide surface of slip mass；By each variable quantity measuring some deviation angle, simulate slip mass internal distortions state further.
(4) using geographic coordinate system to calculate in the measuring method of the present invention, double-axel acceleration sensor keeps vertical with inserting tube, it is ensured that the X-axis component g of acceleration of gravityxWith Y-axis component gyThe correctness of collection, the error of reduction.
Accompanying drawing explanation
Fig. 1 is the structural representation of measuring unit in the present invention.
Fig. 2 is the structural representation of inserting tube in the present invention.
Fig. 3 is the scheme of installation of single measurement apparatus in the present invention.
Fig. 4 is the scheme of installation of multiple measurement apparatus in the present invention.
Parts thereof in accompanying drawing is entitled:
1-measuring unit, 11-data transmission circuit, 2-inserting tube, 21-capsule-type shell, 22-waterproof casings, 23-is to top connection, and 24-is to lower contact, 3-vertical shaft, 4-slip mass, 5-landslide surface.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, and embodiments of the present invention include but not limited to the following example.
Embodiment
Shown in as shown in Figure 1 to Figure 4, a kind of measurement apparatus being suitable to slip mass deep gradient, including measuring unit 1 with for encapsulating the inserting tube 2 of described measuring unit；
Described measuring unit 1 includes:
Double-axel acceleration sensor, for obtaining the X-axis component g of measurement point gravity acceleration gxWith Y-axis component gy；
The microprocessor being connected with double-axel acceleration sensor, when receiving control instruction, drives double-axel acceleration sensor to gather data；
The data transmission circuit 11 being connected with microprocessor, transmits for the data between RS485 bus and microprocessor, and in the present embodiment, data transmission circuit is RS485 communication chip；
The power supply circuits being simultaneously connected with described double-axel acceleration sensor, microprocessor, data transmission circuit.
Described inserting tube 2 includes: use the capsule-type shell 21 that stainless steel makes, use the waterproof casings 22 being close to capsule-type outer side that marine glue makes, and be arranged at capsule-type shell upper and lower end to top connection 23 with to lower contact 24, described all use the material of easy cutting to be made to top connection 23 with to lower contact 24；The upper end of capsule-type shell 21 is provided with opening, it is simple to data transmission circuit is connected with RS485 bus.
Present invention also offers the measuring method of this measurement apparatus, comprise the following steps:
(1) according to the degree of depth of slip mass vertical shaft, determine quantity and the distributing position of measurement apparatus, multiple measurement apparatus are sequentially connected with to lower contact or to top connection by respective, are vertically embedded in slip mass vertical shaft；The data transmission circuit of each measurement apparatus is cascaded by RS485 bus；
(2) microprocessor of each measurement apparatus receives instruction, drives respective double-axel acceleration sensor to obtain the X-axis component g of measurement point gravity acceleration gxWith Y-axis component gy,
Utilize formula, calculate each measure point relative to the deflection angle of coordinate system and, wherein n >=1, and n is integer；Then utilize formula, calculate each measurement point angle of inclination relative to Z axis；Wherein, gravity acceleration g is measurement point geographic coordinate system XnYnZnIn acceleration of gravity, wherein XnFor north orientation coordinate axes, YnFor east orientation coordinate axes, ZnFor ground to coordinate axes；
(3) real-time period gathers each data measuring some double-axel acceleration sensor, is obtained by formula, calculates each deviation angle measuring point；
(4) find catastrophe point according to each deviation angle measuring point, thus calculate slip mass sliding surface.
The error of sliding surface depends on the mounting distance between two adjacent measurement apparatus, and distance is the least, and error is the least, when mounting distance level off to zero time, i.e. achieve pointwise record, and then depict close to actual displacement curve.
The present invention installs multiple measurement apparatus in same a bite vertical shaft cascade, by gathering each deviation angle measuring point, can find the cusp node of deviation angle simply, accurately and rapidly, accurately calculate the landslide surface of slip mass；By each variable quantity measuring some deviation angle, simulate slip mass internal distortions state further.Each measurement apparatus is quickly connected by the upwardly or downwardly joint mutually agreed with, and improves the efficiency of construction that measurement apparatus is arranged；Pass data by the acceleration of microcomputer reads measurement point, and by RS485 bus transfer to vertical shaft outside, improve the capacity of resisting disturbance of signal, it is ensured that the accuracy of data acquisition and effectiveness.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as using the design principle of the present invention, and carries out non-creativeness work on this basis and the change made, within all should belonging to protection scope of the present invention.
Claims (9)
1. the measurement apparatus being suitable to slip mass deep gradient, it is characterised in that include measuring unit and for encapsulating the inserting tube of described measuring unit；Described inserting tube includes the capsule-type shell for encapsulating measuring unit, is close to the waterproof casings of capsule-type housing exterior, and be respectively arranged at capsule-type shell upper and lower end to top connection with to lower contact；Described measuring unit includes the double-axel acceleration sensor being vertically mounted in capsule-type shell, the microprocessor being connected with described double-axel acceleration sensor successively and data transmission circuit, and the power supply circuits being simultaneously connected with described double-axel acceleration sensor, microprocessor, data transmission circuit；The upper end of described capsule-type shell is provided with the opening being easy to data transmission circuit with external connection.
A kind of measurement apparatus being suitable to slip mass deep gradient the most according to claim 1, it is characterised in that described data transmission circuit is RS485 communication chip.
A kind of measurement apparatus being suitable to slip mass deep gradient the most according to claim 2, it is characterised in that described capsule-type shell is made by stainless steel, and described waterproof casings is made by marine glue.
A kind of measurement apparatus being suitable to slip mass deep gradient the most according to claim 3, it is characterised in that described be made by the material being prone to cutting to top connection with to lower contact.
A kind of measurement apparatus being suitable to slip mass deep gradient the most according to claim 4, it is characterised in that described mutually agree with the internal structure to lower contact to top connection.
6. the measuring method of measurement apparatus described in a claim 1 ~ 5, it is characterised in that comprise the following steps:
(1) according to the degree of depth of slip mass vertical shaft, determine the quantity of measurement apparatus, multiple measurement apparatus are sequentially connected with and are the most vertically embedded in slip mass vertical shaft；
(2) the X-axis component g of the gravity acceleration g of the microprocessor driven of each measurement apparatus respective double-axel acceleration sensor acquisition measurement pointxWith Y-axis component gy,
Utilize formula, calculate each measure point relative to coordinate system deflection angle and；Recycling formula, calculating each some angle of inclination relative to Z axis, wherein n >=1, and n of measuring is integer；
(3) real-time period gathers the data of each measurement point double-axel acceleration sensor, is obtained by formula, calculates each deviation angle measuring point；
(4) find catastrophe point according to each deviation angle measuring point, thus calculate slip mass sliding surface.
Measuring method the most according to claim 6, it is characterized in that, in described step (1), each measurement apparatus is connected with each other to lower contact or to top connection by respective, and the mounting distance between two measurement apparatus is adjusted to lower contact or to the length of top connection by cutting.
Measuring method the most according to claim 6, it is characterised in that in described step (1), the data transmission circuit of each measurement apparatus described is all connected with RS485 bus.
Measuring method the most according to claim 6, it is characterised in that in described step (2), gravity acceleration g is measurement point geographic coordinate system XnYnZnIn acceleration of gravity, wherein XnFor north orientation coordinate axes, YnFor east orientation coordinate axes, ZnFor ground to coordinate axes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320299.8A CN105973199A (en) | 2016-05-16 | 2016-05-16 | Measuring device and method suitable for slip mass depth gradient |
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| CN201610320299.8A CN105973199A (en) | 2016-05-16 | 2016-05-16 | Measuring device and method suitable for slip mass depth gradient |
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| CN105973199A true CN105973199A (en) | 2016-09-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072324A (en) * | 2016-11-17 | 2018-05-25 | 重庆交通大学 | A kind of landslide depth slide displacement real-time monitor |
| CN110700816A (en) * | 2019-11-21 | 2020-01-17 | 福建平潭旭坤实业有限公司 | Mining borehole logging cableless depth measurement device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102297682A (en) * | 2011-05-23 | 2011-12-28 | 国网电力科学研究院 | Double-shaft transmission line tower inclination sensor |
| CN102313535A (en) * | 2011-06-29 | 2012-01-11 | 惠州市德赛西威汽车电子有限公司 | Slope detection method |
| CN103148772A (en) * | 2013-02-06 | 2013-06-12 | 韩晓健 | Section bar type soil internal horizontal displacement measuring instrument |
| CN105091840A (en) * | 2015-05-04 | 2015-11-25 | 中国地质科学院探矿工艺研究所 | Guide-wheel-free inclinometer for measuring deep displacement of landslide and installation method thereof |
-
2016
- 2016-05-16 CN CN201610320299.8A patent/CN105973199A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297682A (en) * | 2011-05-23 | 2011-12-28 | 国网电力科学研究院 | Double-shaft transmission line tower inclination sensor |
| CN102313535A (en) * | 2011-06-29 | 2012-01-11 | 惠州市德赛西威汽车电子有限公司 | Slope detection method |
| CN103148772A (en) * | 2013-02-06 | 2013-06-12 | 韩晓健 | Section bar type soil internal horizontal displacement measuring instrument |
| CN105091840A (en) * | 2015-05-04 | 2015-11-25 | 中国地质科学院探矿工艺研究所 | Guide-wheel-free inclinometer for measuring deep displacement of landslide and installation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072324A (en) * | 2016-11-17 | 2018-05-25 | 重庆交通大学 | A kind of landslide depth slide displacement real-time monitor |
| CN110700816A (en) * | 2019-11-21 | 2020-01-17 | 福建平潭旭坤实业有限公司 | Mining borehole logging cableless depth measurement device and method |
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Application publication date: 20160928 |