CN217818688U - Three-dimensional deformation monitoring device and multi-node acceleration sensor unit thereof - Google Patents
Three-dimensional deformation monitoring device and multi-node acceleration sensor unit thereof Download PDFInfo
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- CN217818688U CN217818688U CN202221819587.5U CN202221819587U CN217818688U CN 217818688 U CN217818688 U CN 217818688U CN 202221819587 U CN202221819587 U CN 202221819587U CN 217818688 U CN217818688 U CN 217818688U
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Abstract
The application discloses a three-dimensional deformation monitoring device and a multi-node acceleration sensor unit thereof, wherein the multi-node acceleration sensor unit comprises monitoring nodes and a connecting assembly; the monitoring section is provided with an installation cylinder and an accelerometer arranged on the installation cylinder; the connecting assembly is provided with a pipeline and joints arranged at two ends of the pipeline; the joint is used for being matched with the installation of the installation cylinder, so that all the accelerometers of the monitoring sections connected by the connecting assembly are located on the same straight line. The multi-node acceleration sensor unit ensures that the positions of all the accelerometers are on the same straight line, and greatly improves the monitoring precision of deformation.
Description
Technical Field
The application relates to the technical field of three-dimensional deformation detection, in particular to a multi-node acceleration sensor unit. Still relate to a three-dimensional deformation monitoring devices.
Background
The three-dimensional deformation monitoring device is an intelligent monitoring device based on an MEMS triaxial acceleration sensor, comprises monitoring units connected by joints, can perform deformation measurement in a three-dimensional space, comprises continuous deep hole deformation monitoring, settlement monitoring, slope deformation monitoring and the like, and can provide deformation (displacement) inclination angle and vibration (frequency and amplitude) measurement in real time.
The three-dimensional deformation monitoring device is a new device, does not have unified installation requirement at present, mostly carries out reasonable fixing according to actual conditions on site, and stability is not enough, has certain influence to follow-up monitoring data. The existing monitoring unit section assembled on site is connected by using a pin after punching holes in the end parts of the single joint and the connecting device, so that the positions of sensors in a three-dimensional deformation monitoring array are not on the same straight line, the deviation is large, and the deformation monitoring precision is reduced.
Therefore, how to provide a multi-node acceleration sensor unit that solves the above technical problems is a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The multi-node acceleration sensor unit ensures that all the accelerometers are located on the same straight line, and greatly improves the deformation monitoring precision. Another object of the present application is to provide a three-dimensional deformation monitoring device.
To achieve the above object, the present application provides a multi-node acceleration sensor unit, comprising:
the monitoring joint is provided with an installation cylinder and an accelerometer arranged on the installation cylinder; and
the connecting assembly is provided with a pipeline and joints arranged at two ends of the pipeline; the joint is used for being matched with the installation of the installation barrel, so that all the accelerometers of the monitoring sections connected by the connecting assembly are located on the same straight line.
In some embodiments, the mounting cylinder is internally provided with a groove structure; the groove structure is used for clamping a wire, and the installation of the installation cylinder and the collineation of all the accelerometers are calibrated through the right alignment of the groove structure.
In some embodiments, the groove structures in each mounting cylinder are two, and the groove structures are arranged on the inner wall of the mounting cylinder in an axisymmetric manner.
In some embodiments, the joint comprises:
the pipeline joints are arranged at two ends of the pipeline;
and the threaded joint is arranged on the pipeline joint and is used for connecting the installation barrel.
In some embodiments, the accelerometer is a MEMS acceleration sensor.
The application also provides a three-dimensional deformation monitoring device, which comprises the multi-node acceleration sensor unit, a fixed node and a sensor cable; the fixed knot is used for fixedly and with the near-end the monitoring festival is connected, the sensor cable passes through behind the fixed knot with the monitoring festival the accelerometer electric connection.
Against the above background, the multi-node acceleration sensor unit provided by the present application includes a monitoring node and a connecting assembly. The monitoring section is provided with an installation cylinder and an accelerometer arranged on the installation cylinder. The connecting assembly is provided with a pipeline and connectors arranged at two ends of the pipeline, and the connectors are used for being matched with the installation barrel in an installation mode.
All monitoring sections of the multi-node acceleration sensor unit are connected with each other through the connecting assembly, accelerometers of all monitoring sections are guaranteed to be located on the same straight line, and deformation monitoring precision is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an assembly schematic diagram of a multi-node acceleration sensor unit provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a multi-node acceleration sensor unit according to an embodiment of the present application;
FIG. 3 is a sectional view of a mounting barrel according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a three-dimensional deformation monitoring device according to an embodiment of the present application.
Wherein:
10-monitoring section, 20-connecting assembly, 30-fixing section and 40-sensor cable;
11-mounting cylinder, 12-accelerometer, 21-pipeline, 22-pipeline joint, 23-threaded joint and 111-groove structure.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 and fig. 2, fig. 1 is an assembly schematic diagram of a multi-node acceleration sensor unit provided in an embodiment of the present application, and fig. 2 is a structural schematic diagram of the multi-node acceleration sensor unit provided in the embodiment of the present application.
In a first specific embodiment, the application provides a multi-node acceleration sensor unit, which includes a plurality of monitoring nodes 10 and a connecting assembly 20, wherein the number of the monitoring nodes 10 is multiple, the monitoring nodes 10 are sequentially connected, and adjacent monitoring nodes 10 are connected through the connecting assembly 20.
The monitoring section 10 has a mounting cylinder 11 and an accelerometer 12; the mounting tube 11 serves as a mounting, support and fixing for the accelerometer 12 to be disposed inside.
The coupling assembly 20 has a pipe 21 and a fitting; pipeline 21 plays the effect of connecting and supporting, and pipeline 21 can elastic bending, and its both ends set up the joint, connects and can install the cooperation with installation section of thick bamboo 11, when monitoring festival 10 passes through coupling assembling 20 be assembled between/be connected between, and the accelerometer 12 in the monitoring festival 10 is located same straight line.
In this embodiment, compare and compare in the current device of hanging the sensor on fixed wire rope, through a neotype coupling assembling 20 between the monitoring festival 10 of this application, not only make things convenient for the on-the-spot installation of this multinode acceleration sensor unit and the three-dimensional deformation monitoring devices who uses this multinode acceleration sensor unit, still make all accelerometers 12 be located same straight line, improved deep hole deformation monitoring precision and monitoring life-span greatly.
Illustratively, the accelerometer 12 is a MEMS acceleration sensor.
In the working principle of the MEMS acceleration sensor, a plurality of high-precision MEMS accelerometers are integrated in a multi-node acceleration sensor unit and a monitoring node 10 thereof, the included angle between each monitoring node 10 and the vertical and horizontal directions is calculated by utilizing the components of the gravity acceleration in three axial directions of the MEMS acceleration sensor when a measured object is static, the displacement between each monitoring node 10 and the vertical and horizontal directions is calculated according to the included angle and the length of each monitoring node 10, and then the coordinates (X, Y, Z) of each node relative to a reference point (origin of coordinates), namely the displacement of each node is calculated.
In this embodiment, the multi-node acceleration sensor unit can be applied to a three-dimensional deformation monitoring device based on array-type MEMS acceleration sensors, and the deep-hole deformation monitoring accuracy is greatly improved by making the positions of all the MEMS acceleration sensors on a straight line.
Referring to fig. 3, fig. 3 is a cross-sectional view of a mounting barrel according to an embodiment of the present disclosure.
In some embodiments, the interior of the mounting barrel 11 is provided with a groove structure 111; the groove structure 111 is used to clamp the wires, and the alignment of the mounting barrel 11 and the alignment of all the accelerometers 12 are calibrated by the facing of the groove structure 111.
In the present embodiment, a groove structure 111 is designed inside each monitoring section 10. The groove structures 111 can clamp electric wires, and can correct the position of each monitoring section 10 through the opposite direction of each groove structure 111 after each section is connected through the connecting assembly 20, so that the position of the accelerometer 12 in each monitoring section 10 is corrected due to the fact that the accelerometer 12 is fixed in the monitoring section 10, and the position of all accelerometers 12 is guaranteed to be on the same straight line.
Illustratively, the groove structures 111 in each mounting cylinder 11 are two, and the groove structures 111 are arranged on the inner wall of the mounting cylinder 11 in an axial symmetry manner.
Besides, other types of setting manners, such as different numbers and different arrangements, should also fall within the scope of the description of the present embodiment.
In one embodiment, the joint comprises a pipe joint 22 and a threaded joint 23, the pipe joint 22 is disposed at two ends of the pipe 21, the threaded joint 23 is disposed at the pipe joint 22, and the threaded joint 23 is used to connect to the mounting barrel 11.
In the present embodiment, the multi-node acceleration sensor unit is composed of the monitoring node 10 and the connecting assembly 20. Wherein, except that the accelerometer 12 is an MEMS accelerometer, the pipe 21 is a high pressure oil pipe, and the pipe joint 22 is a high pressure oil pipe joint.
The MEMS accelerometer is mounted in the monitoring section 10 and the connection assembly 20 includes a threaded connector 23, a high pressure tubing connector and a high pressure tubing, which can flex. Wherein the threaded joint 23 is used to connect the monitor joint 10 with the high pressure tubing.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a three-dimensional deformation monitoring device according to an embodiment of the present application.
The application further provides a three-dimensional deformation monitoring device, which comprises the multi-node acceleration sensor unit, a fixed node 30 and a sensor cable 40. The fixed link 30 is used for fixing and is connected with the monitoring link 10 at the proximal end, and the sensor cable 40 is electrically connected with the accelerometer 12 of the monitoring link 10 after passing through the fixed link 30.
It should be noted that the main improvement point of the present application is the same straight line of the accelerometers 12 in the multi-node acceleration sensor unit, and as for the structure and principle of the rest of the components of the three-dimensional deformation monitoring device, please refer to the prior art, and the details are not repeated herein.
The multiple sections of monitoring joints 10 of the three-dimensional deformation monitoring device are cascaded and then are installed in the inclination measuring hole, so that three-dimensional continuous deformation of the inclination measuring hole can be sensed, and displacements of strata at different depths can be monitored; in addition, the method is widely applied to scenes in the fields of continuous deep hole deformation, side slopes, geological disasters and the like.
The embedding requirement of the three-dimensional deformation monitoring device is high, particularly the connection part of the multiple sections of monitoring sections 10, the connecting assembly 20 not only needs to ensure the stability of connection with the monitoring sections 10, but also needs to be movable within a certain range, the connection convenience is improved, and the monitoring accuracy is improved.
It should be noted that many of the components mentioned in this application are either common standard components or components known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The three-dimensional deformation monitoring device and the multi-node acceleration sensor unit thereof provided by the application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.
Claims (6)
1. A multi-node acceleration sensor unit, characterized by comprising:
a monitoring node (10) having a mounting tube (11) and an accelerometer (12) provided on the mounting tube (11); and
a connection assembly (20) having a pipe (21) and joints provided at both ends of the pipe (21); the joint is used for being installed and matched with the installation barrel (11), so that all the accelerometers (12) of the monitoring section (10) connected by the connecting component (20) are located on the same straight line.
2. Multinode acceleration sensor unit according to claim 1, characterized in, that the mounting cylinder (11) is provided with a groove structure (111) inside; the groove structure (111) is used for clamping an electric wire, and the installation of the installation barrel (11) and the collinearity of all the accelerometers (12) are calibrated through the opposite alignment of the groove structure (111).
3. The multinode acceleration sensor unit of claim 2, characterized in that the groove structure (111) in each of the mounting cylinders (11) is two-point and the groove structures (111) are arranged axisymmetrically on the inner wall of the mounting cylinder (11).
4. The multinode acceleration sensor unit of any one of claims 1 to 3, characterized in that the joint comprises:
a pipe joint (22) provided at both ends of the pipe (21);
the threaded joint (23) is arranged on the pipeline joint (22), and the threaded joint (23) is used for connecting the installation barrel (11).
5. A multi-node acceleration sensor unit according to any of the claims 1 to 3, characterized in, that the accelerometer (12) is a MEMS acceleration sensor.
6. A three-dimensional deformation monitoring device, comprising a multinode acceleration sensor unit according to any of claims 1 to 5, further comprising a fixed node (30) and a sensor cable (40); the fixed knot (30) is used for fixing and is connected with the monitoring knot (10) of near-end, sensor cable (40) pass through behind the fixed knot (30) with the accelerometer (12) electric coupling of monitoring knot (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221819587.5U CN217818688U (en) | 2022-07-14 | 2022-07-14 | Three-dimensional deformation monitoring device and multi-node acceleration sensor unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221819587.5U CN217818688U (en) | 2022-07-14 | 2022-07-14 | Three-dimensional deformation monitoring device and multi-node acceleration sensor unit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN217818688U true CN217818688U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221819587.5U Active CN217818688U (en) | 2022-07-14 | 2022-07-14 | Three-dimensional deformation monitoring device and multi-node acceleration sensor unit thereof |
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2022
- 2022-07-14 CN CN202221819587.5U patent/CN217818688U/en active Active
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