CN212620680U

CN212620680U - Cluster type deformation monitoring devices

Info

Publication number: CN212620680U
Application number: CN202021879929.3U
Authority: CN
Inventors: 魏世玉; 胡祝敏; 李川; 唐毅; 秦诗
Original assignee: Zhongke Summit Intelligent Technology Chongqing Co ltd
Current assignee: Zhongke Summit Intelligent Technology Chongqing Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-02-26
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to a geotechnical engineering monitoring facilities technical field, specifically a cluster type deformation monitoring devices, which comprises an outer shell, the main control board, a plurality of antenna interface, built-in group battery, the axle is restrainted in the collection, a plurality of displacement sensor, a plurality of bearing, a plurality of cushion cap and a plurality of balancing weight, the main control board, built-in group battery, the axle is restrainted in the collection, a bearing, displacement sensor, inclination sensor, cushion cap and balancing weight all are located inside the shell, bearing fixed connection is epaxial at the collection, the cushion cap middle part is equipped with the through-hole, and cushion cap and bearing fixed connection, a plurality of displacement sensor and inclination sensor fix on the cushion cap, displacement sensor is stay cord displacement sensor, displacement sensor and inclination sensor and main control board electric connection. According to the scheme, through the cluster type transformation of displacement sensing and the coaxial integration of the tilt angle sensor, the spatial distance and angle observed quantity are collected to obtain the displacement vector, and the problems that the cost of the existing monitoring technology is high and the area control effect is poor are solved.

Description

Cluster type deformation monitoring devices

Technical Field

The utility model relates to a geotechnical engineering monitoring facilities technical field specifically is a cluster type deformation monitoring devices.

Background

Currently, a GNSS, TPS and sensing relative displacement observation method is mainly adopted for monitoring the displacement of a side slope, a landslide or a foundation pit. The method is mature in technology and wide in application, but has technical bottlenecks of high implementation cost or low observation frequency and the like, the existing displacement sensing means are various, and the inclination sensing precision is greatly improved, so that the regression distance and the angle are basically observed. The prior art method is analyzed as follows:

the method comprises the following steps: GNSS monitoring method, monitoring instrument: the GPS/GNSS receiver realizes automatic absolute displacement monitoring, the monitoring precision is directly related to the acquisition time and the error correction model, and the technical threshold is higher; the monitoring point selection, data acquisition and data processing processes need to have relatively complete basic theory and practical experience of satellite positioning, and have relatively high requirements on technicians; the high cost of the equipment results in high overall construction cost.

The method 2 comprises the following steps: TPS monitoring method, monitoring instrument: the total station/measuring robot can realize manual/semi-automatic/automatic absolute displacement monitoring according to actual requirements, the observation precision is guaranteed, and the investment cost of instrument equipment is high. Most of the existing methods are manual observation means, so that the method has obvious time domain blank, poor real-time performance, difficult realization of basic data acquisition work under adverse conditions such as night, rainy days and the like, large artificial influence factors on the reliability of acquired data, and difficult satisfaction of the current automatic real-time monitoring requirement. If the automatic observation is realized, corresponding devices such as power supply and protection need to be configured, and the investment is large.

The method 3 comprises the following steps: sensing relative displacement observation method, monitoring instrument equipment: stay-supported, laser rangefinder formula, ultrasonic wave formula earth's surface displacement monitor realize local relative displacement automated monitoring, and is not good enough to the face area control effect, is difficult to reflect monitoring object deformation vector simultaneously. The observation result can only reflect the local relative deformation condition, is suitable for local deformation monitoring, and has small contribution degree to deformation direction and overall control.

As can be seen from the above analysis, in the currently used monitoring techniques, both method 1 and method 2 have the disadvantages of high cost, and method 3 has the disadvantages of difficulty in realizing absolute displacement monitoring and poor area control effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cluster type deformation monitoring devices to solve current monitoring technology method cost higher, the face territory control effect is not good enough, an urgent need for a simple structure, the comprehensive monitoring devices of function.

In order to achieve the above object, the basic scheme of the present invention is as follows:

a cluster type deformation monitoring device comprises a shell, a main control board, a plurality of antenna interfaces, a built-in battery pack, a cluster shaft, a plurality of displacement sensors, a plurality of inclination angle sensors, a plurality of bearings, a plurality of bearing platforms and a plurality of balancing weights, wherein the main control board, the built-in battery pack, the cluster shaft, the bearings, the displacement sensors, the inclination angle sensors, the bearing platforms and the balancing weights are all positioned in the shell, the plurality of antenna interfaces are positioned on the shell, the plurality of antenna interfaces are all connected with the main control board, the built-in battery pack is connected with a power supply interface, the cluster shaft is vertically arranged in the shell, the plurality of bearings are fixedly connected on the cluster shaft, through holes are formed in the middle of the plurality of bearing platforms, the bearing platforms are fixedly connected with the bearings, the plurality of displacement sensors and the inclination angle sensors are fixed on the bearing platforms, the balancing weight and the displacement sensor are symmetrically fixed, so that the bearing platform is kept horizontal, and the displacement sensor and the inclination sensor are electrically connected with the main control board.

The beneficial effect of this scheme: (1) according to the scheme, based on basic technical conditions such as displacement sensing, inclination sensing and wireless communication, through cluster type transformation and coaxial integration of the inclination angle sensor, conversion of one machine with multiple purposes (plane deformation and vertical deformation monitoring) and one machine with multiple points (multiple monitoring points) is achieved, through acquisition of spatial distance and angle observed quantity, a displacement vector is obtained through calculation, and conversion from traditional relative quantity to absolute quantity is solved.

(2) This scheme is with the coaxial integration of a plurality of displacement sensor and inclination sensor, can monitor a plurality of monitoring points simultaneously, and the face territory control effect is better.

(3) This scheme is integrated to the shell with displacement sensor, inclination sensor, main control board etc. in, only need fix the shell at stable point when deploying the installation to fix displacement sensor's stay cord to treating the monitoring point, can accomplish the installation and deploy, the principle is simple, the installation is deployed convenient, economy, reasonable characteristics, current side slope, landslide, foundation ditch monitoring instrument equipment are filled, the security of the lives and property of the object threatened is ensured more effectively.

Further, the main control board comprises a built-in storage unit, a 4G communication module, a LoRa communication module, an NB-IoT communication module, a power management module, a clock management module, a displacement acquisition circuit, an inclination angle acquisition circuit and a CPU, wherein the antenna interfaces comprise a 4G antenna interface, a LoRa antenna interface and an NB antenna interface, the 4G antenna interface is connected with the 4G communication module, the LoRa antenna interface is connected with the LoRa communication module, and the NB antenna interface is connected with the NB-IoT communication module. And the acquisition, the calculation and the transmission of the monitoring data to the monitoring terminal are completed, and the real-time monitoring of the monitoring place is realized.

Furthermore, a semi-flexible micro-light plate is fixed on the top of the shell and connected with a power supply interface. The solar power supply is realized, and the semi-flexible micro-light plate has better anti-deformation capability and is suitable for the field environment.

Furthermore, a plurality of line cards are arranged on the side wall of the shell. The cable is convenient to arrange.

Furthermore, the bottom of the shell is provided with a waterproof wire outlet hole. The drying of the inside of the shell can be guaranteed, and the normal work of components and parts is guaranteed.

Furthermore, the shell comprises a partition board vertically arranged in the middle, the main control board and the built-in battery pack are located on one side of the partition board, the bundling shaft, the displacement sensor, the inclination angle sensor, the bearing platform and the balancing weight are located on the other side of the partition board, and a plurality of through holes for stretching out of the stay ropes of the displacement sensor are formed in the shell. The main control board and the built-in battery pack have higher waterproof requirements, the main control board and the built-in battery pack are separated from each sensor part, the drying of the main control board and the built-in battery pack can be better ensured, and the service life of the main control board and the built-in battery pack is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic connection diagram of the bundling shaft, the bearing platform and the counterweight block in the embodiment of the present invention;

fig. 3 is a schematic diagram of an embodiment of the present invention illustrating a horizontal displacement monitoring deployment scenario;

fig. 4 is a schematic view of the change of the monitoring point position of the horizontal displacement monitoring deployment scheme in the embodiment of the present invention;

fig. 5 is the embodiment of the utility model provides an in the embodiment schematic diagram of foundation ditch layering settlement monitoring deployment scheme.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a main control board 1, a built-in battery pack 2, a bundling shaft 3, a bearing 4, a bearing platform 5, a balancing weight 6, a 4G antenna interface 7, a LoRa antenna interface 8, an NB antenna interface 9, a power supply interface 10, a displacement sensor 11, an inclination angle sensor 12, a line card 13, a waterproof wire outlet hole 14, a shell 15, a partition board 16, a pull rope 17 and a monitoring point 18.

Examples

Substantially as shown in figure 1: the utility model provides a bundling type deformation monitoring devices, which comprises an outer shell 15, main control board 1, a plurality of 4G antenna interface 7, built-in group battery 2, axle 3 tied in a bundle, a plurality of displacement sensor 11, a plurality of angular transducer 12, a plurality of bearing 4, a plurality of cushion cap 5 and a plurality of balancing weight 6, main control board 1, built-in group battery 2, axle 3 tied in a bundle, bearing 4, displacement sensor 11, angular transducer 12, cushion cap 5 and balancing weight 6 all are located inside shell 15, shell 15 includes the vertical division board 16 that is equipped with in middle part, main control board 1 and built-in group battery 2 are located division board 16 one side, axle 3 tied in a bundle, displacement sensor 11, angular transducer 12, cushion cap 5 and balancing weight 6 are located division board 16 opposite sides, be equipped with a plurality of through-holes that supply displacement sensor. The top of the shell 15 is fixed with a semi-flexible micro-light plate which is connected with the power supply interface 10. A plurality of line cards 13 are arranged on the side wall of the shell 15. The bottom of the shell 15 is provided with a waterproof wire outlet 14, the plurality of 4G antenna interfaces 7 are positioned on the shell 15, the plurality of 4G antenna interfaces 7 are connected with the main control board 1, and the built-in battery pack 2 is connected with the power supply interface 10. The bundling shaft 3 is vertically arranged in the shell 15, as shown in a combined figure 2, a plurality of bearings 4 are fixedly connected to the bundling shaft 3, through holes are formed in the middles of a plurality of bearing platforms 5, the bearing platforms 5 are fixedly connected with the bearings 4, a plurality of displacement sensors 11 and inclination angle sensors 12 are fixed on the bearing platforms 5, the displacement sensors 11 are stay cord displacement sensors 11, stay cords of the stay cord displacement sensors 11 are steel strands with the diameter of 1.0mm, and sheath pipes with the inner diameter of 3.5mm are sleeved outside the stay cords; the balancing weight 6 and the displacement sensor 11 are symmetrically fixed, so that the bearing platform 5 is kept horizontal, and the displacement sensor 11 and the tilt angle sensor 12 are electrically connected with the main control board 1.

The main control board 1 comprises a built-in storage unit, a 4G communication module, a LoRa communication module, an NB-IoT communication module, a power management module, a clock management module, a displacement acquisition circuit, an inclination angle acquisition circuit and a CPU (central processing unit), wherein a plurality of 4G antenna interfaces 7 comprise a 4G antenna interface 7, a LoRa antenna interface 8 and an NB antenna interface 9, the 4G antenna interface 7 is connected with the 4G communication module, the LoRa antenna interface 8 is connected with the LoRa communication module, and the NB antenna interface 9 is connected with the NB-IoT communication module.

The specific implementation process is as follows: (1) horizontal displacement monitoring deployment scheme: as shown in fig. 3, the housing 15 is fixed to a stable point near the point 18 to be monitored, then the pulling ropes 17 of the plurality of displacement sensors 11 are respectively pulled out horizontally, and the ends of the pulling ropes 17 are respectively fixed to the specific plurality of horizontal points 18 to be monitored.

At this time, each of the objects to be monitored is collectedThe initial position data of the measuring point 18, as shown in fig. 4, includes the distance (a) from the stable point (C) to the initial position (B) of the monitoring point 18 and the azimuth angle (α) of the direction coordinate of the stable point and the initial position of the monitoring point 18_BC) (ii) a After the monitoring work starts, if the monitoring point 18 is displaced, the pulling distance of the pulling rope 17 is changed, the bearing platform 5 is pulled to rotate, the displacement sensor 11 obtains the displacement change condition, the inclination angle sensor 12 obtains the angle change quantity, the distance (B) from the change position (A) of the monitoring point 18 to the stable point (C) and the included angle (angle C) between the initial position (B) of the monitoring point 18, the stable point (C) and the change position (A) of the monitoring point 18 at the moment are collected, the plane displacement scalar (C) of the monitoring point 18 is obtained,

then the included angle ([ angle ] B) of the stable point (C), the change position (A) of the monitoring point 18 and the initial position (B) of the monitoring point 18 can be obtained,

and finally, obtaining the vector direction (alpha BC) from the initial position of the monitoring point 18 to the change position of the monitoring point 18 according to the direction coordinate azimuth angle (alpha BC) of the stable point and the initial position of the monitoring point 18 measured during deployment and the included angle (angle B) between the stable point, the change position of the monitoring point 18 and the initial position of the monitoring point 18_BA). Finally, the absolute quantity of the position change of the monitoring point 18 is realized, and the geological change condition is accurately reflected.

(2) A foundation pit layered settlement monitoring deployment scheme: with reference to fig. 5, fix the stable point outside the foundation ditch with shell 15, later respectively with the stay cord 17 level of a plurality of displacement sensor 11, and fix stay cord 17 tip respectively to specific a plurality of vertically treat monitoring point 18 on, can set up the fulcrum of buckling at the foundation ditch top, make the stay cord 17 of vertical part keep perpendicular with the water flat line, gather the distance between 18 initial position of monitoring point and the stable point, stay cord 17 fixed at different monitoring point 18 changes the length of pulling out of stay cord 17 according to the settlement change of monitoring point 18, stay cord 17 sensor will change data arrangement and transmission, can carry out real time monitoring to the settlement condition of a plurality of monitoring point 18 in the foundation ditch.

The foregoing is merely an example of the present invention and common general knowledge in the art of known specific structures and/or features has not been set forth herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a beam set type deformation monitoring devices which characterized in that: the device comprises a shell, a main control board, a plurality of antenna interfaces, a built-in battery pack, a bundling shaft, a plurality of displacement sensors, a plurality of inclination angle sensors, a plurality of bearings, a plurality of bearing platforms and a plurality of balancing weights, wherein the main control board, the built-in battery pack, the bundling shaft, the bearings, the displacement sensors, the inclination angle sensors, the bearing platforms and the balancing weights are all positioned in the shell, the plurality of antenna interfaces are positioned on the shell, the plurality of antenna interfaces are all connected with the main control board, the built-in battery pack is connected with a power supply interface, the bundling shaft is vertically arranged in the shell, the plurality of bearings are fixedly connected on the bundling shaft, through holes are formed in the middle parts of the plurality of bearing platforms, the bearing platforms are fixedly connected with the bearings, the plurality of displacement sensors and the inclination angle sensors are fixed on the bearing platforms, the displacement sensors are stay rope displacement, and the displacement sensor and the inclination angle sensor are electrically connected with the main control board.

2. The cluster type deformation monitoring device according to claim 1, wherein: the master control board comprises a built-in storage unit, a 4G communication module, a LoRa communication module, an NB-IoT communication module, a power management module, a clock management module, a displacement acquisition circuit, an inclination angle acquisition circuit and a CPU (central processing unit), wherein the antenna interfaces comprise a 4G antenna interface, a LoRa antenna interface and an NB antenna interface, the 4G antenna interface is connected with the 4G communication module, the LoRa antenna interface is connected with the LoRa communication module, and the NB antenna interface is connected with the NB-IoT communication module.

3. A cluster type strain monitoring apparatus as claimed in claim 2, wherein: and a semi-flexible micro-light plate is fixed at the top of the shell and is connected with a power supply interface.

4. A cluster type strain monitoring apparatus as claimed in claim 3, wherein: and a plurality of line cards are arranged on the side wall of the shell.

5. The cluster type deformation monitoring device according to claim 4, wherein: and a waterproof wire outlet hole is formed in the bottom of the shell.

6. The cluster type deformation monitoring device according to claim 4, wherein: the shell comprises a partition board vertically arranged in the middle, the main control board and the built-in battery pack are located on one side of the partition board, the bundling shaft, the displacement sensor, the inclination angle sensor, the bearing platform and the balancing weight are located on the other side of the partition board, and a plurality of through holes for stretching out of the stay ropes of the displacement sensor are formed in the shell.