CN212567755U

CN212567755U - Slope collapse monitoring device and system

Info

Publication number: CN212567755U
Application number: CN202021576889.5U
Authority: CN
Inventors: 谢远彬; 张财务
Original assignee: Meizhou Yunce Technology Co ltd
Current assignee: Xie Yuanbin
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-02-19
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a slope collapse monitoring devices and system uses in the internet of things, and the device includes cable, tension spring, force sensor, measuring staff and communication module, the first end of cable is used for connecting the fixed point, the second end of cable with tension spring's first end is connected, tension spring's second end with tension sensor connects, tension sensor's second end with the measuring staff is connected, tension sensor with communication module connects. The utility model discloses simple structure and good reliability.

Description

Slope collapse monitoring device and system

Technical Field

The utility model relates to an internet of things, especially a slope collapse monitoring devices and system.

Background

The collapse refers to sudden and sharp falling movement of rock masses and soil bodies on a steep hill under the action of gravity, is the most common type of geological disasters and mostly occurs on slopes of more than 60-70 degrees. Those with collapsed bodies of earth quality are called earth collapse; the collapse body is the rock quality and is called rock collapse; large scale rock falls, known as mountain falls. Collapse has the characteristics of high occurrence speed, large harm and large scale difference. Particularly in the southern area of the northern hemisphere, due to historical reasons, a large amount of manual activities such as slope cutting and house building exist, so that the damage of collapse is common. At present, collapse monitoring methods are mainly manual monitoring and automatic monitoring respectively, the automatic monitoring means include global satellite positioning system displacement monitoring, multi-section displacement meter monitoring, fixed inclinometer monitoring and the like, the monitoring means are all one-point monitoring, the cost is high, and the successful cases of monitoring are few. A large number of geological disaster collapse hidden trouble points exist generally, and the life and property safety of the masses is seriously threatened.

In the prior art, a detection device required by the detection technology has a complex structure and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a: the slope collapse monitoring device and the slope collapse monitoring system are simple in structure.

In a first aspect, the utility model discloses the technical scheme who takes is:

the utility model provides a slope collapse monitoring devices, includes cable, tension spring, force transducer, measuring staff and communication module, the first end of cable is used for connecting the fixed point, the second end of cable with tension spring's first end is connected, tension spring's second end with force transducer connects, force transducer's second end with the measuring staff is connected, force transducer with communication module connects.

Furthermore, a connecting rod is arranged at the second end of the tension sensor, a locking structure is arranged on the connecting rod, a through hole is formed in the measuring rod, the connecting rod penetrates through the through hole, and the locking structure is used for limiting the measuring rod to move along the connecting rod in the direction far away from the tension sensor.

Further, the device includes a barb, and the first end of the cable is connected with the barb.

Further, the nominal tension of the tension spring is larger than the measuring range of the tension sensor.

Furthermore, the communication module comprises a signal conditioning circuit and a wireless communication circuit, and the tension sensor is connected with the wireless communication circuit through the signal conditioning circuit.

Furthermore, a comparison circuit is arranged between the signal conditioning circuit and the wireless communication circuit.

In a second aspect, the utility model adopts the technical scheme that:

a slope collapse monitoring system comprises a server and a plurality of slope collapse monitoring devices, wherein the server is communicated with the plurality of slope collapse monitoring devices.

The beneficial effects of the utility model are that including cable, tension spring, force sensor, measuring staff and communication module, through deploying the measuring staff domaticly, through cable and spring with force sensor taut between fixed point and domatic, when domatic emergence collapses, can drag the measuring staff for the pressure increase that force sensor detected, the utility model discloses can send force sensor's detection state through communication module, the utility model discloses simple structure easily deploys and reliably.

Drawings

Fig. 1 is a schematic structural diagram of a slope collapse monitoring device according to an embodiment of the present invention;

fig. 2 is a schematic view of an installation structure of a slope collapse monitoring device according to an embodiment of the present invention;

fig. 3 is a block diagram of a communication module of a monitoring device for slope collapse according to an embodiment of the present invention;

fig. 4 is a block diagram of a monitoring system for monitoring a slope collapse according to an embodiment of the present invention.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments.

Referring to fig. 1 and 2, the present embodiment discloses a slope collapse monitoring device, including a cable 110, a tension spring 120, a tension sensor 130, a measuring rod 140 and a communication module, where a first end of the cable 110 is used to connect to a fixed point 100, a second end of the cable 110 is connected to the first end of the tension spring 120, a second end of the tension spring 120 is connected to the tension sensor 130, a second end of the tension sensor 130 is connected to the measuring rod, and the tension sensor 130 is connected to the communication module.

It should be understood that in this embodiment, the pull cable is a relatively strong cable, which may be a steel cable, preferably made of 304 or 316 stainless steel, which is resistant to corrosion from the elements. In some embodiments, the pull cord is a steel cord twisted from a plurality of stainless steel wires.

The tension spring is a spring with higher strength, and generally, the maximum nominal tension of the tension spring is required to be larger than the measuring range of the tension sensor.

The measuring rod is generally formed by a long rod or a long plate, can be a metal plate, is preferably made of aluminum, can be made of different shapes according to the length of the measuring rod, and needs to ensure that the maximum deflection is smaller than the deflection generated by the maximum tension spring force, so that the monitoring accuracy is ensured.

And the communication module is used for processing the output signal generated by the tension sensor and then sending the processed output signal to a receiving device, wherein the receiving device can be a mobile phone, a server or other special receiving instruments. The communication module can adopt an internet of things module to realize communication, such as NB-IOT or LORA and the like.

It should be understood that in the present embodiment, the connection of the components may be made by welding, bolts, strong glue or snap, etc., but the connection should provide enough tension to avoid breaking before the tension sensor is triggered.

Referring to fig. 2, there is shown the mounting structure of the present embodiment, in which the first end of the cable 110 is fixed to the fixing point 100 and the measuring bar 140 is fixed to the slope.

The utility model discloses a theory of operation does: a small hole is drilled on a slope building or other slope surfaces which are likely to collapse by using a horizontal or inclined certain angle, the small hole penetrates through a collapse body, a fixed point is determined on a stable rock soil surface, and a stainless steel wire rope is led out to be used as a reference point for slope surface movement. The measuring rod of an installation horizontal direction on the domatic, measuring rod length can adopt 1 ~ 6 meters aluminium matter section bar or steel section bar, and the pull sensor is installed to the junction of cable and measuring rod, and before the emergence of collapsing, the meeting of collapsing can produce certain displacement or atress condition change, and the sensor detects to pass through wireless or wired cloud platform that reaches after changing, and the cloud platform is in time to sending early warning information to the user according to the threshold value of setting for, realizes the automated monitoring to the body that collapses.

In some embodiments, to facilitate field installation, the second end of the tension sensor is provided with a connecting rod 131, the connecting rod 131 is provided with a locking structure 132, the measuring rod 140 is provided with a through hole, the connecting rod 131 passes through the through hole, and the locking structure 132 is used for limiting the movement of the measuring rod along the connecting rod to the direction far away from the tension sensor.

It will be appreciated that in this embodiment the connecting rod may be provided with a thread, and that a thread-fitting nut may achieve the locking arrangement. Because when deploying this device, the spring is in tensile state, and locking structure mainly used prevents that the measuring staff from droing.

Referring to fig. 1, in some embodiments, the device includes a barb 150, and the first end of the lanyard 110 is coupled to the barb 150. Wherein the barb 150 is used to secure the first end of the cable 110 in a fixed point.

In the embodiment, a small-sized drilling machine is used for drilling holes on a slope surface needing to be installed on a landslide or a collapse, the holes penetrate through rock and soil bodies which are likely to collapse, the depth is determined according to the field condition or the existing geological survey report, the holes enter a stable slide bed or a collapse parent body, and after the holes are formed, the slag soil in the holes is cleaned. A guy cable with a barb connected to one end is sleeved by a pvc pipe and sent to the bottom of a hole, the steel wire rope is fixed by the limit tension of the steel wire rope, or a small amount of cement slurry is sent to the bottom of the hole, the steel wire rope end at the bottom of the hole is fixed, the barb at the bottom of the hole is fixed, and the monitoring quality is ensured.

Referring to fig. 3, in some embodiments, the communication module includes a signal conditioning circuit and a wireless communication circuit, and the strain sensor is connected to the wireless communication circuit through the signal conditioning circuit.

The signal conditioning circuit is used for filtering, amplifying and carrying out analog-to-digital conversion on the analog signal output by the sensor, and then sending the analog signal to the receiving device through the wireless communication circuit. By arranging the signal conditioning circuit, noise interference can be avoided, so that the detection is more accurate and sensitive. The signal conditioning circuit can be realized by adopting a filter amplifier and an analog-to-digital conversion circuit.

Referring to fig. 3, in some embodiments, a comparison circuit is provided between the signal conditioning circuit and the wireless communication circuit.

In some embodiments, in order to reduce the communication traffic, a comparison circuit is disposed in the communication module, and the wireless communication circuit is triggered to send a signal to the receiving device only when the signal output by the signal conditioning circuit is greater than a certain threshold.

Referring to fig. 4, the slope collapse monitoring system comprises a server and a plurality of slope collapse monitoring devices, wherein the server is communicated with the plurality of slope collapse monitoring devices.

It is to be understood that a plurality of slope collapse devices may be deployed in different slopes, and a same slope may deploy a plurality of slope collapse devices, so that the safety conditions of a plurality of slopes may be detected by the server.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a slope collapse monitoring devices which characterized in that, includes cable, tension spring, force sensor, measuring staff and communication module, the first end of cable is used for connecting the fixed point, the second end of cable with tension spring's first end is connected, tension spring's second end with force sensor connects, force sensor's second end with the measuring staff is connected, force sensor with communication module connects.

2. The slope collapse monitoring device according to claim 1, wherein: the second end of the tension sensor is provided with a connecting rod, the connecting rod is provided with a locking structure, the measuring rod is provided with a through hole, the connecting rod penetrates through the through hole, and the locking structure is used for limiting the measuring rod to move along the connecting rod in the direction far away from the tension sensor.

3. The slope collapse monitoring device according to claim 1, wherein: the device comprises a barb, and the first end of the inhaul cable is connected with the barb.

4. The slope collapse monitoring device according to claim 1, wherein: the nominal tension of the tension spring is larger than the measuring range of the tension sensor.

5. The slope collapse monitoring device according to claim 1, wherein: the communication module comprises a signal conditioning circuit and a wireless communication circuit, and the tension sensor is connected with the wireless communication circuit through the signal conditioning circuit.

6. The slope collapse monitoring device according to claim 5, wherein: and a comparison circuit is arranged between the signal conditioning circuit and the wireless communication circuit.

7. A slope collapse monitoring system comprising a plurality of slope collapse monitoring devices according to claim 1 and a server in communication with the plurality of slope collapse monitoring devices.