CN214843143U - Slope deformation monitoring device based on sensor array - Google Patents
Slope deformation monitoring device based on sensor array Download PDFInfo
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- CN214843143U CN214843143U CN202121137708.3U CN202121137708U CN214843143U CN 214843143 U CN214843143 U CN 214843143U CN 202121137708 U CN202121137708 U CN 202121137708U CN 214843143 U CN214843143 U CN 214843143U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 230000005611 electricity Effects 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 230000005358 geomagnetic field Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000002035 prolonged Effects 0.000 description 1
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- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model provides a slope deformation monitoring devices based on sensor array belongs to side slope monitoring technology field, including a plurality of rigidity sections and the flexible section of establishing ties end to end in proper order, be equipped with MEMS sensor unit and battery in the rigidity section, all be equipped with the cable that is used for electricity to connect a plurality of MEMS sensor unit and a plurality of battery in rigidity section and the flexible section. The utility model provides a slope deformation monitoring devices based on sensor array, through MEMS sensor unit collection data, the flexible section conforms to the deformation of external environment, can describe the displacement direction and the three-dimensional coordinate of space deformation; the device is internally provided with a battery, an external power supply is omitted, and the device can be taken and used at any time, so that the portability is improved.
Description
Technical Field
The utility model belongs to the technical field of the side slope monitoring, more specifically say, relate to a side slope deformation monitoring devices based on sensor array.
Background
In China, landslides and other geological disasters with tens of thousands of different scales occur every year, huge losses are caused to natural environments, infrastructure and the like, and even the safety of lives and properties of people is endangered. With the increasing frequency of human engineering activities, landslide disasters are more and more frequent, and human engineering activities and extreme weather possibly cause the slope disasters, so that the significance of slope monitoring reinforcement is great. The contents of slope monitoring include deformation, underground water, rainfall, soil pressure, stress strain and the like, wherein the deformation (displacement field) is the key point of monitoring as the direct judgment condition of slope stability.
The variety of slopes and the type of slope disaster are diverse, which also creates complexity in slope deformation. One aspect of this complexity is the spatial diversity, which can be divided into tilt, deep horizontal displacement, surface subsidence, etc., from the direction of deformation.
Most of the existing deformation monitoring schemes can only solve the deformation measurement in a certain direction, and are difficult to realize the omnidirectional deformation monitoring, and the drilling inclination measurement method is an effective method for measuring the landslide displacement, can measure the horizontal displacement in the vertical spatial distribution, but still has the following defects: the borehole inclinometer is difficult to describe the displacement direction, cannot measure whether the vertical arrangement direction generates uplift or settlement, and cannot give a three-dimensional coordinate position in space; the power supply of an external power supply is needed, even a long power supply line needs to be pulled for supplying power, and the portable power supply device is time-consuming and not portable enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a slope deformation monitoring devices based on sensor array aims at solving current deformation monitoring devices and can not describe space three-dimensional position coordinate and the field usage problem that convenient, portability are not good enough.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a slope deformation monitoring devices based on sensor array, includes:
a plurality of rigid section and the flexible section of end to end series connection in proper order, the rigid section is gone up the fixed MEMS sensor unit and is equipped with the battery, the rigid section with all be equipped with on the flexible section and be used for the electricity to connect a plurality ofly MEMS sensor unit and a plurality of the cable of battery.
As another embodiment of the present application, the rigid section and the flexible section are tubular, the MEMS sensor unit and the battery are both disposed inside the rigid section, and the cable penetrates through the flexible section to electrically connect the MEMS sensor unit and the battery.
As another embodiment of the present application, the rigid segment and the flexible segment are sealingly connected.
As another embodiment of the present application, the flexible segment is made of polyurethane, and the rigid segment is made of aluminum.
As another embodiment of the application, the length of the rigid section is 20-100cm, and the length of the flexible section is 3-8 cm.
As another embodiment of the present application, the MEMS sensor unit includes a main control module, a communication module, a three-axis accelerometer and a three-axis magnetometer.
As another embodiment of the present application, the plurality of rigid segments and the plurality of flexible segments form a first sensor array and a second sensor array, the first sensor array and the second sensor array are perpendicular to each other to form a planar sensor network, and the planar sensor network is used for measuring displacement data on the surface of the slope and inside the slope.
As another embodiment of the application, the system further comprises a field edge computing terminal electrically connected with the MEMS sensor unit, wherein the field edge computing terminal is used for resolving data transmitted by the MEMS sensor unit.
The utility model provides a pair of slope deformation monitoring devices based on sensor array's beneficial effect lies in: compared with the prior art, the slope deformation monitoring device is provided with a battery, an external power supply is not needed, the cost and time of wire pulling are saved, the field use is convenient, the device can be taken and used at any time, and the portability is good. The utility model discloses regard as deep displacement energy-absorbing unit with the flexible section of multistage, can buckle as required, through the displacement volume that MEMS (micro electro mechanical system) sensor unit on the rigidity section reachs every rigidity section, and then obtain the deformation data of side slope. The slope deformation monitoring device is laid on the surface of a slope, and whether the arrangement position generates uplift or settlement can be collected, so that the specific deformation is obtained; the slope deformation detection device is vertically installed inside a slope body, one end of the slope deformation detection device is anchored with bedrock, and the deep horizontal displacement of the slope body can be collected to obtain specific deformation data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a slope deformation monitoring device based on a sensor array according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a basic sensor segment according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating mutually perpendicular connections of a sensor array-based slope deformation monitoring device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the field installation of the sensor array-based slope deformation monitoring device shown in fig. 3.
In the figure: 1. a basic sensing section; 2. a rigid section; 3. a flexible section; 4. a cable; 5. a MEMS sensor unit; 6. a battery; 7. a counter bore; 8. a threaded hole; 9. threading holes; 10. and (4) a boss.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a slope deformation monitoring device based on a sensor array according to the present invention will now be described. The slope deformation monitoring device based on the sensor array comprises
A plurality of rigid section 2 and flexible section 3 of end to end series connection in proper order are fixed on rigid section 2 and are equipped with MEMS sensor unit 5 and battery 6, all are equipped with on rigid section 2 and the flexible section 3 and are used for the electric cable 4 of connecting a plurality of MEMS sensor unit 5 and a plurality of battery 6.
The utility model provides a pair of side slope deformation monitoring devices based on sensor array compares with prior art, and this side slope deformation monitoring devices is from taking battery 6, need not external power supply, has saved the cost and the time of acting as go-between, and on-the-spot convenient to use is along with getting along with usefulness, and the portability is good. The utility model discloses regard as deep displacement energy-absorbing unit with flexible section 3 of multistage, can buckle as required, obtain the displacement volume of every rigid section 2 through MEMS (micro electro mechanical system) sensor unit 5 on the rigid section 2, and then obtain the deformation data of side slope. The slope deformation monitoring device is laid on the surface of a slope, and whether the arrangement position generates uplift or settlement can be collected, so that the specific deformation is obtained; the slope deformation detection device is vertically installed inside a slope body, one end of the slope deformation detection device is anchored with bedrock, and the deep horizontal displacement of the slope body can be collected to obtain specific deformation data.
Specifically, the basic sensing segments are arrayed in series according to actual needs in a specific number.
In this embodiment, a rigid segment 2 and a flexible segment 3 form a basic sensing segment 1, eight basic sensing segments 1 form a group, and a plurality of groups of sensor chains can be combined to measure a longer measuring line. Each rigid section 2 is internally and fixedly provided with 3 batteries 6 passing through the cable 4, and a MEMS sensor unit 5 is fixed beside the three batteries 6. The rigid section 2 is further provided with threading holes 9 for connecting the battery 6 and the battery 6, the battery 6 and the MEMS sensor unit 5.
Optionally, the flexible protective sleeve is wrapped outside the array of the basic sensing segment 1, so that a sealing effect is achieved, the whole device can be protected from being corroded or deformed by the external environment, and the service life is prolonged. The battery 6 is optionally rechargeable and optionally disposable, preferably rechargeable, depending on sustainability and environmental requirements.
As the utility model provides a pair of slope deformation monitoring devices's a specific implementation way based on sensor array please refer to fig. 1 and fig. 2, rigidity section 2 and flexible section 3 are the tubulose, and MEMS sensor unit 5 and battery 6 are all fixed to be located inside rigidity section 2, and cable 4 runs through flexible section 3 and is used for the electricity to connect a plurality of MEMS sensor unit 5 and a plurality of battery 6.
In this embodiment, the rigid section 2 and the flexible section 3 are tubular, and the tubular rigid section 2 and the flexible section 3 can protect the internal MEMS sensor unit 5, the battery 6, and the cable 4 from being damaged by external environment.
As a specific embodiment of the sensor array-based slope deformation monitoring device provided in the present invention, please refer to fig. 1 and 2, and the rigid section 2 and the flexible section 3 are connected in a sealing manner.
In this embodiment, the two ends of the flexible section 3 are provided with bosses 10 for abutting against the rigid section 2, and the bosses 10 are in interference fit with the interior of the rigid section 2 to achieve the purpose of sealing. Both ends of the rigid section 2 are provided with counter bores 7, bosses 10 at both ends of the flexible section 3 are provided with threaded holes 8, the counter bores 7 and the threaded holes 8 are concentric, and the rigid section 2 and the flexible section 3 can be fixed together through bolts.
Optionally, a through hole is formed in the boss 10, round holes corresponding to the through hole in the boss 10 are formed in the two ends of the rigid section 2, and the round rod penetrates through the two corresponding holes and then is clamped, so that the purpose of mutual fixation is achieved.
As a specific embodiment of the sensor array-based slope deformation monitoring device provided in the present invention, please refer to fig. 1 and 2, the flexible section 3 is a polyurethane part, and the rigid section 2 is an aluminum part.
In this embodiment, the flexible section 3 is made of polyurethane, and is not easily stretched, compressed and bent, so that the sensor array can be deformed along with the slope in a coordinated manner without damaging the rigid section 2 when the slope is deformed, the requirement that the length direction is not easily deformed is well met, and calculation data more consistent with the field situation can be obtained after data acquisition. The aluminum pipe is not easy to deform, corrosion resistant and light, and can reduce the overall weight of the device and improve the portability while meeting the use requirements.
As a specific embodiment of the sensor array-based slope deformation monitoring device provided in the present invention, please refer to fig. 1 and 2, the length of the rigid section 2 is 20-100cm, and the length of the flexible section 3 is 3-8 cm.
In this embodiment, the length of the rigid segment 2 is 20cm, which can be actually determined according to the spatial resolution of the deformation measurement, and the length of the flexible segment 3 is 5 cm.
As the utility model provides a pair of slope deformation monitoring devices's a concrete implementation mode based on sensor array, MEMS sensor unit 5 includes host system, communication module, triaxial accelerometer and triaxial magnetometer.
In this embodiment, the control module is a single chip microcomputer and is configured to perform preliminary processing on data collected by the three-axis accelerometer and the three-axis magnetometer in the MEMS sensor unit 5, the communication module is configured to transmit the data, and the three-axis accelerometer and the three-axis magnetometer are built in the MEMS sensor unit 5. Considering the deformation of the line sensor array in space, the broken line model is used for simplifying the sensor array in order to analyze and calculate space coordinates in space. In application, the three-axis accelerometer and the three-axis magnetometer in the MEMS sensor unit 5 measure angles by utilizing components of gravitational acceleration on the MEMS sensor unit 5 in three axial directions when a measured object is static and included angles between three coordinate axes of the measuring sensor and a geomagnetic field, and calculate displacement of each node in the vertical and horizontal directions according to the included angles and the length of each rigid hard tube, so as to calculate coordinates of each node relative to a reference point, namely displacement of each node.
In addition, it should be noted that the gyroscope obtains an angle by integrating the measured angular velocity, and the magnetometer measures the angle by measuring the included angles between 3 coordinate axes of the sensor and the geomagnetic field, so that the gyroscope has good measurement dynamics, high short-time integration precision and large long-time integration error. Therefore, consider slope deformation measuring application scene, consequently the utility model discloses first-selected three-axis magnetometer measures.
As a specific implementation of a slope deformation monitoring devices based on sensor array, please refer to fig. 3 and fig. 4, a plurality of rigidity sections 2 and flexible section 3 constitute first sensor array and second sensor array, and first sensor array and second sensor array constitute face sensor network perpendicularly mutually, face sensor network is used for measuring the inside displacement data of slope surface and side slope.
In this embodiment, 8 basic sensor segments are in one group, and multiple groups of sensor chains can be combined to measure a longer measuring line. The linear sensor array can be used to measure settlement or uplift in the horizontal direction when the linear sensor array is horizontally arranged, and can measure horizontal deep displacement in the vertical direction when the linear sensor array is vertically arranged. The surface type sensor network for measuring the vertical profile of the side slope can be formed by horizontally arranging 1 line type sensor array and vertically arranging the other 1 line type sensor array, not only can the fluctuation of the horizontal direction of the side slope be measured, but also the horizontal deep displacement in the vertical direction can be measured, and therefore the deformation of the deep part and the surface of the side slope can be comprehensively monitored.
As the utility model provides a pair of slope deformation monitoring devices's a concrete implementation mode based on sensor array still includes the on-the-spot edge calculation terminal who is connected with 5 electricity of MEMS sensor unit, and on-the-spot edge calculation terminal is used for resolving the data of 5 transmissions of MEMS sensor unit.
In this embodiment, the slope monitoring device of this scheme still includes wireless transmission module, transmits the data transmission that the sensor gathered to edge computing terminal through wireless transmission module, and computing terminal calculates out all sensor network coordinates after according to the early warning index early warning to pass to the network high in the clouds with data through wireless communication mode.
Optionally, the flexible sensor network may be transmitted to the field edge computing terminal via RS485/CAN communication.
Specifically, the MEMS sensor unit 5 completes online and real-time measurement of relevant data such as slope angle, displacement and the like of the slope monitoring zone, and a built-in microcontroller performs primary processing on the acquired data; transmitting the data of the monitoring device to a data processing module through wireless or wired data transmission; the data processing module completes filtering processing, data compensation and slope monitoring data calculation of the collected and transmitted data, and finally transmits the monitoring data or early warning information to the cloud.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a slope deformation monitoring devices based on sensor array which characterized in that includes:
a plurality of rigid section and the flexible section of end to end series connection in proper order, the rigid section is gone up the fixed MEMS sensor unit and is equipped with the battery, the rigid section with all be equipped with on the flexible section and be used for the electricity to connect a plurality ofly MEMS sensor unit and a plurality of the cable of battery.
2. The sensor array-based slope deformation monitoring device according to claim 1, wherein the rigid section and the flexible section are tubular, the MEMS sensor units and the batteries are disposed inside the rigid section, and the cable penetrates through the flexible section for electrically connecting the MEMS sensor units and the batteries.
3. The sensor array-based slope deformation monitoring device of claim 2, wherein the rigid section and the flexible section are hermetically connected.
4. The sensor array-based slope deformation monitoring device according to claim 1, wherein the flexible section is made of polyurethane, and the rigid section is made of aluminum.
5. The sensor array-based slope deformation monitoring device of claim 1, wherein the rigid segment is 20-100cm in length, and the flexible segment is 3-8cm in length.
6. The sensor array-based slope deformation monitoring device according to any one of claims 1-5, wherein the MEMS sensor unit comprises a main control module, a communication module, a three-axis accelerometer and a three-axis magnetometer.
7. The sensor array-based slope deformation monitoring device according to claim 6, wherein a plurality of the rigid segments and a plurality of the flexible segments form a first sensor array and a second sensor array, the first sensor array and the second sensor array are perpendicular to each other to form a surface sensor network, and the surface sensor network is used for measuring slope surface and slope internal displacement data.
8. The sensor array based slope deformation monitoring device according to claim 1, further comprising a field edge computing terminal electrically connected to the MEMS sensor unit, wherein the field edge computing terminal is configured to resolve data transmitted by the MEMS sensor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137708.3U CN214843143U (en) | 2021-05-25 | 2021-05-25 | Slope deformation monitoring device based on sensor array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137708.3U CN214843143U (en) | 2021-05-25 | 2021-05-25 | Slope deformation monitoring device based on sensor array |
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| Publication Number | Publication Date |
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| CN214843143U true CN214843143U (en) | 2021-11-23 |
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| CN202121137708.3U Active CN214843143U (en) | 2021-05-25 | 2021-05-25 | Slope deformation monitoring device based on sensor array |
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- 2021-05-25 CN CN202121137708.3U patent/CN214843143U/en active Active
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