CN211855198U - A deep displacement monitoring device based on GNSS technology - Google Patents

Abstract

The utility model discloses a deep displacement monitoring device based on GNSS technology. The device comprises a GNSS antenna, a network bridge equipment box, a GNSS base station, a central control module, and an inclination monitoring and sensing system. The inclined pipe is vertically buried in the soil body, and the top of the inclinometer pipe is provided with a GNSS antenna; the inclinometer pipe is provided with an inclinometer device, and an angle sensor for measuring the angle between the inclinometer pipe and the vertical direction is installed inside the inclinometer pipe. The equipment is connected to the bridge equipment box through cables; the GNSS antenna is used to measure the three-dimensional coordinates of the inclinometer pipe; the network bridge equipment box is set in an undisturbed position to receive the data transmitted by the GNSS antenna and the inclination measuring equipment; the GNSS base station is set in the construction On the monitoring pier outside the area; the central control module receives the data from the GNSS base station and the network bridge equipment box respectively, and calculates the difference between the depth and the The slope value of the formation and automatically draw the slope curve.

Description

A deep displacement monitoring device based on GNSS technology

technical field

The utility model relates to the technical field of infrastructure construction such as roads, side slopes, foundation pits and mines, in particular to a deep displacement monitoring device based on GNSS technology.

Background technique

With the development of infrastructure in my country, for the construction and operation safety of highways, municipal roads, railways, housing foundation pits, mines and other projects, necessary monitoring and monitoring of the soil strata where the projects are located will inevitably be carried out. A common monitoring method of soil stratum displacement at different depths is widely used in highways, municipal roads and other projects, and can monitor the inclination of soil layers at different depths, while conventional inclinometers are monitored manually and are subject to The influence of human factors is large, the control precision is low, and the intelligence is low, which is time-consuming and labor-intensive, and the monitoring of dangerous parts will endanger the safety of monitoring personnel and equipment. Therefore, it is necessary to improve the conventional method and improve the intelligence level of inclination measurement.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a deep displacement monitoring device based on GNSS technology.

The technical scheme that realizes the purpose of the present utility model is:

A deep displacement monitoring device based on GNSS technology, including a GNSS antenna, a bridge equipment box, a GNSS base station, a central control module, and a tilt monitoring sensing system:

The inclination monitoring and sensing system includes an inclinometer pipe, which is vertically buried in the soil body, and a GNSS antenna is arranged on the top of the inclinometer pipe; a number of inclinometer devices connected in series are arranged in the inclinometer pipe. An angle sensor is installed inside the device to measure the angle between the inclinometer tube and the vertical direction. Each inclinometer device is connected to the bridge equipment box through a cable to transmit the soil inclination data measured by each inclinometer device. to the bridge equipment box;

The GNSS antenna is used to measure the three-dimensional coordinates of the inclinometer pipe, and transmit the three-dimensional coordinates of the inclinometer pipe measured from the side to the bridge equipment box;

The network bridge equipment box is arranged at a position free from personnel interference, and the network bridge equipment box has built-in receivers and network bridges connected to each other; The GNSS antenna at the top is connected to receive the three-dimensional coordinate information measured by the GNSS antenna and the soil inclination data measured by the inclinometer device; the receiver transmits the received information to the central control module through a wired or wireless network through a bridge;

The GNSS base station is arranged on the monitoring pier outside the construction area, and the GNSS base station is connected with the central control module through a cable, and transmits the real-time monitoring of the inclinometer pipe elevation and position information to the central control module;

The central control module receives the data from the GNSS base station and the network bridge equipment box respectively, and calculates the inclination values of the stratum at different depths according to the current elevation and plane position of the inclinometer pipe top, as well as the change value and change range of the two. Sloping curves are automatically drawn.

In the inclinometer equipment described in series, the gauge length of two adjacent inclinometer equipment is 0.5-1m.

The GNSS base station is set on a monitoring pier with a height of more than 2 meters.

A deep displacement monitoring method based on GNSS technology, comprising the following steps:

1) The GNSS antenna installed on the top of the inclinometer tube measures the three three-dimensional coordinates of the top of the inclinometer tube in real time. At the same time, each inclinometer device measures the soil inclination data at its own depth, and transmits the measured soil inclination data through the line. The cable is transmitted to the receiver in the bridge equipment box, and the GNSS antenna also transmits the measured coordinate information to the receiver in the bridge equipment box;

2) The receiver transmits the received information to the central control module through the bridge;

3) The GNSS base station installed on the simple monitoring pier transmits the monitored elevation and position information of the inclinometer to the central control module;

4) The central control module calculates the stratum at different depths according to the information transmitted by the inclinometer equipment, the GNSS antenna and the information monitored by the GNSS base station, according to the current elevation and plane position of the inclinometer pipe top, as well as the change value and change range of the two. The inclination value is automatically drawn and the inclination curve is automatically drawn to realize the intelligent and all-weather real-time monitoring of the deep displacement and inclination of the soil.

The utility model provides a deep displacement monitoring device based on GNSS technology, which can simultaneously monitor the inclination of soil layers with different depths and draw inclination curves without manual monitoring, reduces the consumption of human resources, is safe and practical, and makes stable It is reliable, easy to operate, improves the degree of intelligence, and can monitor and control the monitoring points 24 hours a day, so as to be safe and reliable, improve the test and control effect, and improve the functional diversity.

Description of drawings

1 is a block diagram of a deep displacement monitoring device based on GNSS technology;

Fig. 2 is the installation diagram of the tilt monitoring sensing system;

In the picture: 1. GNSS antenna 2. Soil 3. Inclinometer tube 4. Inclinometer equipment.

Detailed ways

The content of the present utility model will be further elaborated below in conjunction with the accompanying drawings and embodiments, but it is not intended to limit the present law.

Example:

As shown in Figure 1 and Figure 2:

A deep displacement monitoring device based on GNSS technology, characterized in that it includes a GNSS antenna, a bridge equipment box, a GNSS base station, a central control module, and a tilt monitoring sensing system:

The inclination monitoring and sensing system includes an inclinometer pipe 3, which is vertically embedded in the soil body 2, and a GNSS antenna 1 is arranged on the top of the inclinometer pipe 3; Inclination measuring equipment 4, adjacent inclination measuring equipment 4 has a gauge distance of 0.5-1 m, each inclination measuring equipment 4 is internally installed with an angle measuring sensor for measuring the angle between the inclinometer pipe 3 and the vertical direction, and each inclination measuring equipment 4 Connect to the bridge equipment box through cables, and transmit the soil inclination degree data measured by each inclinometer device 4 to the bridge equipment box; each inclinometer pipe 3, that is, the GNSS antenna set at the top of the monitoring point is one, Monitoring points are set according to actual needs.

The GNSS antenna 1 is used to measure three three-dimensional coordinates of the inclinometer tube 3, and transmit the three-dimensional coordinates of the inclinometer tube 3 measured from the side to the bridge equipment box;

The network bridge equipment box is arranged at a position free from personnel interference, and the network bridge equipment box has built-in receivers and network bridges connected to each other; The GNSS antenna at the top is connected to receive the three-dimensional coordinate information measured by the GNSS antenna and the soil inclination data measured by the inclinometer device; the receiver transmits the received information to the central control module through a wired or wireless network through a bridge;

The GNSS base station is arranged on a monitoring pier with a height of more than 2 meters outside the construction area, and the GNSS base station is connected to the central control module through a cable, and transmits the real-time monitoring of the inclinometer pipe elevation and position information to the central control module;

The central control module is installed with data processing and calculation software, which is a calculation program written by technicians according to functional requirements and using existing technologies; the data processing software in the central control module is based on GNSS base stations and bridge equipment boxes. From the data sent, according to the current elevation and plane position of the top of the inclinometer, as well as the change value and change range of the two, the inclination value of the stratum at different depths is calculated and the inclination curve is automatically drawn.

A deep displacement monitoring method based on GNSS technology, comprising the following steps:

1) The GNSS antenna installed on the top of the inclinometer tube measures the three three-dimensional coordinates of the top of the inclinometer tube in real time. At the same time, each inclinometer device measures the soil inclination data at its own depth, and transmits the measured soil inclination data through the line. The cable is transmitted to the receiver in the bridge equipment box, and the GNSS antenna also transmits the measured coordinate information to the receiver in the bridge equipment box;

2) The receiver transmits the received information to the central control module through the bridge;

3) The GNSS base station installed on the simple monitoring pier transmits the monitored elevation and position information of the inclinometer to the central control module;

4) The central control module calculates the stratum at different depths according to the information transmitted by the inclinometer equipment, the GNSS antenna and the information monitored by the GNSS base station, according to the current elevation and plane position of the inclinometer pipe top, as well as the change value and change range of the two. The inclination value is automatically drawn and the inclination curve is automatically drawn to realize the intelligent and all-weather real-time monitoring of the deep displacement and inclination of the soil.

Claims (3)

1. a deep displacement monitoring device based on GNSS technology, is characterized in that, comprises GNSS antenna, network bridge equipment box, GNSS base station, central control module, tilt monitoring sensing system: The inclination monitoring and sensing system includes an inclinometer pipe, which is vertically buried in the soil body, and a GNSS antenna is arranged on the top of the inclinometer pipe; a number of inclinometer devices connected in series are arranged in the inclinometer pipe. An angle sensor is installed inside the device to measure the angle between the inclinometer tube and the vertical direction. Each inclinometer device is connected to the bridge equipment box through a cable to transmit the soil inclination data measured by each inclinometer device. to the bridge equipment box; The GNSS antenna is used to measure the three-dimensional coordinates of the inclinometer pipe, and transmit the measured three-dimensional coordinates of the inclinometer pipe to the bridge equipment box; The network bridge equipment box is arranged at a position free from personnel interference, and the network bridge equipment box has built-in receivers and network bridges connected to each other; The GNSS antenna at the top is connected to receive the three-dimensional coordinate information measured by the GNSS antenna and the soil inclination data measured by the inclinometer device; the receiver transmits the received information to the central control module through a wired or wireless network through a bridge; The GNSS base station is arranged on the monitoring pier outside the construction area, and the GNSS base station is connected with the central control module through a cable, and transmits the real-time monitoring of the inclinometer pipe elevation and position information to the central control module; The central control module receives the data from the GNSS base station and the network bridge equipment box respectively, and calculates the inclination values of the stratum at different depths according to the current elevation and plane position of the inclinometer pipe top, as well as the change value and change range of the two. Sloping curves are automatically drawn. 2. a kind of deep displacement monitoring device based on GNSS technology according to claim 1, is characterized in that, described inclination measuring equipment, in the inclination measuring equipment connected in series successively, the gauge length of two adjacent inclination measuring equipments is 0.5-1m. 3 . The deep displacement monitoring device based on GNSS technology according to claim 1 , wherein the GNSS base station is arranged on a monitoring pier with a height of more than 2 meters. 4 .

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