CN201181945Y - Tailings reservoir dam deformation monitoring system - Google Patents

Abstract

The utility model provides a deformation monitoring system of the dam of a tailing reservoir. The deformation monitoring system comprises a monitoring station, a reference station and a data control module; the monitoring station comprises a monitoring station GPS antenna, a monitoring station GPS receiver and a monitoring station communication module; the reference station comprises a reference station GPS antenna, a reference station GPS receiver and a reference station communication module; the data control module is connected with the monitoring station and the reference station, and is used for monitoring the data of the monitoring station and the reference station and controlling the monitoring station and the reference station.

Description

Tailings reservoir dam deformation monitoring system

technical field

The utility model relates to a monitoring system, in particular to a tailings reservoir dam deformation monitoring system.

Background technique

The ore mined by the mine, after the valuable mineral products are selected by the concentrator, produces a large amount of waste residue, that is, tailings or tailings. The structural system built for stockpiling tailings (sand) is called tailings pond.

As the main facility for mine beneficiation and production, the tailings pond is not only an accident-prone site, but also a source of danger with hidden huge safety hazards. Tailings ponds are one of the major mine hazards identified by the State Council and the State Administration of Work Safety. In recent years, dam breaks in tailings ponds have also occurred from time to time, causing huge losses to people's lives and property, and are a major hidden danger to mine safety production. .

Traditional tailings safety management is to use manual removal to the tailings site, use traditional instruments, such as theodolite, range finder and other equipment to collect data related to the safety of the tailings dam body, such as deformation, infiltration line, water level in the reservoir area, etc., after manual sorting Stored in the database for analysis, management, and decision-making applications. The data collection cycle is long, and the accuracy of manual observations is entirely dependent on the work experience of the observers. Data reading is greatly affected by weather changes, and additional measurements required during special periods will increase the workload. At the same time, the credibility of the observation data is greatly reduced, and it cannot reflect the actual situation in real time and truly, and the relevant expert system has never been involved.

It can be seen that the above-mentioned existing tailings dam deformation monitoring obviously still has inconvenience and defects, and needs to be further improved urgently. In order to solve the above-mentioned existing problems, the relevant staff have tried their best to find a solution, but no suitable design has been developed for a long time. Therefore, how to create a new type of tailings dam deformation monitoring system is one of the current important research and development topics, and it has also become a goal that the industry needs to improve.

In view of the defects of the above-mentioned existing technologies, the designer, based on his rich practical experience and professional knowledge in the design and manufacture of such products for many years, combined with the application of academic principles, actively researched and innovated, in order to create a new type of tailings dam The deformation monitoring system can improve the general existing tailings dam deformation monitoring and make it more practical. Through continuous research, design, and after repeated trial samples and improvements, the utility model with practical value is finally created.

Contents of the invention

The purpose of the utility model is to overcome the defects existing in the deformation monitoring of the tailings pond dam, and provide a new type of tailings pond dam deformation monitoring system. The technical problem to be solved is to make it The deformation of the dam body has strong real-time performance, high monitoring accuracy and low monitoring cost, which is very suitable for practical use.

The purpose of this utility model and its technical solution are to adopt the following technical solutions to achieve. A tailings reservoir dam deformation monitoring system proposed according to the utility model includes: a monitoring station, including a monitoring station GPS antenna, a monitoring station GPS receiver, and a monitoring station communication module; a reference station, including a reference station GPS antenna and a reference station The station GPS receiver and the reference station communication module; and the data control module, connected to the monitoring station and the reference station, used for processing the data from the monitoring station and the reference station, and controlling the monitoring station and the reference station.

The purpose of the utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the aforementioned tailings reservoir dam deformation monitoring system, the monitoring station communication module and the reference station communication module are wireless communication modules or data protocol converters for wired transmission, so as to realize the communication between the monitoring station, the reference station and the data control module. Wired or wireless transmission between.

In the foregoing tailings reservoir dam deformation monitoring system, the wireless communication module is GSM, GPRS or CDMA.

The aforementioned tailings reservoir dam deformation monitoring system, wherein the wired data transmission protocol between the monitoring station and the reference station and the data control module uses RS485/RS422 and Ethernet hybrid network, full optical network, branch RS485/RS422 wired network and backbone fiber optic network hybrid system networking.

For the aforementioned tailings dam deformation monitoring system, when the monitoring station and the reference station and the data control module use wired data transmission, the tailings dam deformation monitoring system also includes a data acquisition module to realize the communication between the monitoring station and the reference station and the data control module. Conversion of different transmission protocols between data control modules.

The aforementioned tailings reservoir dam deformation monitoring system, wherein the data acquisition module includes a multi-serial port server, a plurality of first data protocol converters and a second data protocol converter, and a plurality of first data protocol converters realize the monitoring station and the data protocol conversion between the base station and the multi-serial port server, and the second data protocol converter realizes the data protocol conversion between the multi-serial port server and the data control module.

The aforementioned tailings reservoir dam deformation monitoring system includes a plurality of monitoring stations, and each monitoring station includes a monitoring station GPS antenna and a monitoring station GPS receiver.

In the aforementioned tailings reservoir dam deformation monitoring system, each monitoring station is a multi-antenna structure with one machine, which includes a GPS multi-antenna controller with one machine, including: a measuring GPS receiver, a multi-antenna switch with multiple channels, and a microprocessor Device, multi-antenna changeover switch and measuring GPS receiver are respectively connected to described microprocessor; Communication link for GPS receivers.

In the foregoing tailings pond dam deformation monitoring system, each antenna in the antenna module is connected to a GPS multi-antenna controller through a low noise amplifier.

By virtue of the above technical solutions, the utility model tailings reservoir dam deformation monitoring system has at least the following advantages and beneficial effects:

1. The utility model adopts GPS automatic monitoring, which is not affected by external conditions such as climate, and can be monitored in real time around the clock, and can truly reflect the three-dimensional displacement of all monitoring points at the same time. This point is very beneficial to analyze the overall safety of tailings pond dam body;

2. Conventional tailings reservoir dam deformation monitoring methods use theodolite and level, which are all manual operations, which not only have a long observation period, but also cannot be automated. However, the tailings reservoir dam deformation monitoring system of the utility model is fully automatic from data collection, transmission, calculation, display, and printing, and the safety management decision-makers in the tailings reservoir area can immediately understand the dam body with just a few clicks of the mouse The deformation data and intuitive deformation charts of each monitoring point relative to a certain standard position at this time, remotely control and command the safety monitoring system of the tailings pond dam body and the safety dispatch of the dam body;

3. ① Specially designed for the automatic monitoring system, so that the working environment of the receiver can reach -40 ℃ ~ 65 ℃; ② It adopts the transformation of external communication protocol converter (or communication module) to adapt to different communication networks , such as RS485/422 network, Ethernet, optical fiber network and GPRS or CDMA wireless communication network, etc.; ③ unique GPS sensor and data management and calculation software, not only can monitor the working status and parameter configuration of the receiver or the quality of the GPS signal in real time, It can also automatically calculate the high-precision GPS positioning data of each monitoring point in the whole process;

To sum up, the utility model has the above-mentioned many advantages and practical value, and it has great improvement no matter in system structure or function, has significant progress in technology, and has produced easy-to-use and practical effects, and is relatively The existing tailings reservoir dam deformation monitoring has enhanced outstanding effects, so it is more suitable for practical use, and has extensive industrial application value. It is a novel, progressive and practical new design.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is a system structure diagram of a tailings reservoir dam deformation monitoring system using wired communication in the utility model.

Fig. 2 is a system structure diagram of a tailings reservoir dam deformation monitoring system using wireless communication in the utility model.

Figure 3 is a structure diagram of a monitoring station with multiple antennas.

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the utility model, the specific implementation of the tailings dam deformation monitoring system proposed according to the utility model, Structure, characteristic and effect thereof are as follows in detail.

Please refer to FIG. 1 , which is a system structure diagram of a first embodiment of a tailings reservoir dam deformation monitoring system of the present invention using wired communication. The system 1 includes four main parts: a monitoring station 11 , a reference station 12 , a data acquisition module 13 and a data control module 14 .

The monitoring station 11 includes a GPS antenna 111 and a GPS receiver 112 , a monitoring station data protocol converter 113 , and the monitoring station 1 also has a DC power supply device 114 . In the deformation monitoring system, the number of monitoring stations 11 can be set according to site conditions. The GPS antenna 111 is an integrated smart antenna with a highly integrated GPS receiver and a built-in anti-path plate antenna.

The equipment composition of the reference station 12 is the same as that of the monitoring station 11. The difference between the reference station 12 and the monitoring station 11 is that the reference station is preferably set on a stable and immovable place, such as bedrock, to improve system stability and accuracy.

Data collection module 13: includes a first data protocol converter 131, a multi-serial port server 132 and a second data protocol converter 133, and all data collection room equipment is powered by a DC power supply device 134.

The data control module 14 includes a control module data protocol converter 141 , a network switch 142 , a GPS sensor management and data processing system 143 , a GPS data backup and conversion system 144 , and an expert system 145 for tailings pond monitoring model analysis. All equipment in the data control module 14 is powered by a 220V AC power supply device 146 . It is connected with each GPS reference station and monitoring station through a communication network (which can be a variety of communication methods such as optical fiber, RS485/422 network, GSM network, GPRS network, etc.). It is used for automatic management and calculation of satellite data and data backup from GPS reference stations and monitoring stations. The GPS processing algorithm can achieve millimeter-level displacement monitoring accuracy, and the results of GPS reference stations and monitoring stations Data for graphical time series analysis.

Please refer to Figure 1 again, the deformation monitoring system can be applied to RS485/RS422 and Ethernet hybrid network, full optical network, branch RS485/RS422 wired network and backbone optical network hybrid system networking. The key to adapting to various communication methods lies in the external replaceable data protocol converter in each main component.

1. RS485/RS422 and Ethernet hybrid networking communication mode

Under this communication mode, the data protocol converter 113 of the monitoring station is an RS232-RS485/422 protocol converter; the function of the first data protocol converter 131 is all completed by the multi-serial port server 132 at this moment, and no additional setting is required; the second data protocol The converter 133 and the control module data protocol converter 141 need to be used together. The multi-serial port server 132 and the network switch 142 can be directly connected together by an Ethernet cable (no additional data protocol converter is needed at this time), forming a hybrid network communication mode of RS485/RS422 and Ethernet.

2. Full fiber optic network communication mode

Under this communication method, the data protocol converter 113 of the monitoring station and the first data protocol converter 131 are the same type of photoelectric data transceivers, responsible for converting data between optical signals and electrical signals, and responsible for converting the data of each monitoring station Be converted into optical signal and transmit to data acquisition module 13 from branch; Optical signals are transmitted in the backbone optical fiber network.

3. Hybrid communication mode of branch RS485/RS422 wired network and backbone optical network

Under this communication mode, the data protocol converter 113 of the monitoring station is an RS232-RS485/422 protocol converter; the function of the first data protocol converter 131 is all completed by the multi-serial port server 132 at this moment, and no additional setting is required; the second data protocol Both the converter 133 and the control module data protocol converter 141 are photoelectric data transceivers of the same type, responsible for converting the data collected by the multi-serial server 32 into optical signals for transmission in the backbone optical fiber network.

The data collected by a plurality of GPS receivers is transmitted to the multi-serial port server 132 through each monitoring station data protocol converter 113 and each first data protocol converter 131, and the multi-serial port server 32 processes the data, and passes the processed data through the first The second data protocol converter 133 transmits to the data control module 14 .

Please refer to Fig. 2, which is a system structure diagram of a preferred embodiment of a tailings dam deformation monitoring system of the present invention using GPRS or CDMA wireless communication. The system 2 includes four main parts: a monitoring station 21 , a reference station 22 and a data control module 23 .

The monitoring station 21 includes a GPS antenna 211 and a GPS receiver 212 , a GPRS or CDMA wireless communication module 213 , and the monitoring station 21 also has a DC power supply device 214 .

The equipment composition of the reference station 22 is the same as that of the monitoring station 21. The biggest difference from the monitoring station 21 is that the reference station is preferably set on a stable and immovable place, such as bedrock, to improve system stability and accuracy.

The data control module 23 includes a network router 231 responsible for accessing the Internet, a network switch 232 responsible for organizing internal LAN interconnection, a GPS sensor management and data processing system 233, a GPS data backup and conversion system 234, and an expert system for tailings pond monitoring model analysis 235 . All equipment in the data control center is powered by a 220V AC power supply device 236 .

The data collected by a plurality of GPS receivers is sent to the wireless communication base station by each GPRS or CDMA wireless communication module 213, and is forwarded to the Internet by the wireless communication base station, and the data control module 23 is connected to the Internet through the network router 231, so the data can be The data is transmitted to the data control module 23, and the data is transmitted to the GPS sensor management and data processing system 233, the GPS data backup and conversion system 234, and the tailings pond monitoring model analysis expert system 235 through the network switch 232 to analyze and process the data.

The prerequisite for using GSM, GPRS or CDMA wireless communication network is that there must be a strong enough GSM, GPRS or CDMA wireless signal in the place where GSM, GPRS or CDMA wireless mode is used to transmit data. Its measure is that the mobile phone can be used to make calls in the field.

The requirements for the selection of the reference station are that the point is stable, there is no occlusion near the reference point, and the field of vision is wide, so as to ensure good GPS signal reception. At the same time, try to avoid selecting the reference point in places where there are trees, raised artificial buildings or terrains that are likely to cause GPS signal reflection to reduce the impact of multipath effects, and avoid selecting the reference point on a high-power wireless transmitter station. nearby to avoid interference from other radios.

In this embodiment, the number of reference points is at least one. Preferably, two or more reference points are set in one system, so that the stability of the reference points can be checked mutually. The number of monitoring points is not limited, nor is the distance between monitoring points. The distance between the monitoring point and the reference point is generally within 3 kilometers in order to ensure the monitoring accuracy of the plane position. If the accuracy requirements for plane position monitoring are relaxed, the distance between the monitoring point and the reference point can be up to 15 kilometers.

In this embodiment, the monitoring station uses a plurality of GPS receivers and a plurality of GPS antennas used in conjunction with it for monitoring, and the structure in which a plurality of GPS receivers and a plurality of GPS antennas are used in conjunction can use a GPS receiver It can be replaced by a structure used in conjunction with several antennas, that is, a multi-antenna structure in one machine.

Please refer to Figure 3, which is a multi-antenna structure of a monitoring station. The one-machine-multi-antenna structure includes an antenna module 311 and a GPS one-machine multi-antenna controller 312 . Wherein, the GPS multi-antenna controller 312 connects a GPS receiver to the antenna module 311, and the GPS receiver is used as a measuring GPS receiver. There are multiple antennas 3111 in the antenna module 311 to form an antenna array, and each antenna 3111 passes through a low-noise The signal amplifier 3112 is electrically connected with the GPS one-machine multi-antenna controller 312, and each antenna 3111 is respectively connected to each channel of the GPS one-machine multi-antenna controller, and is controlled by the GPS one-machine multi-antenna controller, and each antenna is connected to a corresponding The channels are connected, and the on-off status of multiple signal channels is controlled by the multi-antenna switch in real time. Therefore, the data of each monitoring point can be collected in rotation through the switching of the multi-antenna switch. It can be achieved through a pre-programmed software program Automatic cyclic monitoring of each measurement point, only one antenna is reliably connected at any time, and can also be set through the operation keyboard, which can realize that only antennas are installed on each monitoring station, and no GPS receiver is installed. In order to reduce the cable transmission distance and improve the reliability of data transmission, the GPS multi-antenna controller is arranged in the middle of the monitoring points, which is equivalent to installing a GPS receiver on each monitoring point for synchronous observation; the power supply module 313 can be based on The actual situation considers the use of mains power, wind energy, and solar power, and uses battery packs as emergency power sources.

Please refer to shown in Fig. 3 again, as the GPS one-machine multi-antenna controller 312 of data collection part, it contains supporting equipment such as GPS receiver, multi-antenna changeover switch, microprocessor and power supply, and microprocessor is in order to control multi-antenna Switching of the transfer switch and reception of the GPS receiver.

The above is only a preferred embodiment of the utility model system, and does not limit the utility model in any form. Although the utility model has been disclosed as above with the preferred embodiment, it is not used to limit the utility model. Any skilled person familiar with this profession can use the technical content disclosed above to make some changes or modify equivalent embodiments without departing from the technical solution of the utility model within the scope of the technical solution of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (9)

1. A tailings reservoir dam deformation monitoring system, characterized in that it comprises: Monitoring station, including monitoring station GPS antenna, monitoring station GPS receiver and monitoring station communication module; A base station, including a base station GPS antenna, a base station GPS receiver, and a base station communication module; and The data control module is connected to the monitoring station and the reference station, and is used for processing data from the monitoring station and the reference station, and controlling the monitoring station and the reference station. 2. The tailings pond dam deformation monitoring system according to claim 1, wherein the monitoring station communication module and the reference station communication module are wireless communication modules or data protocol converters for wired transmission, so as to realize Wired or wireless transmission between monitoring station and reference station and data control module. 3. The tailings pond dam deformation monitoring system according to claim 2, wherein said wireless communication module is GSM, GPRS or CDMA. 4. The tailings pond dam deformation monitoring system according to claim 1, characterized in that the wired data transmission protocol between the monitoring station, the reference station and the data control module uses RS485, RS422, Ethernet, optical fiber network, distributed network, or one or more of these hybrid networking methods. 5. The tailings pond dam deformation monitoring system according to claim 1, characterized in that it also includes a data acquisition module connected to the monitoring station, the reference station and the data control module. 6. The tailings pond dam deformation monitoring system according to claim 5, wherein the data acquisition module includes multiple serial port servers, multiple first data protocol converters and a second data protocol converter, The first data protocol converter realizes the data protocol conversion between the monitoring station and the reference station and the multi-serial port server, and the second data protocol converter realizes the data protocol conversion between the multi-serial port server and the data control module. 7. The tailings pond dam deformation monitoring system according to claim 1, wherein there are multiple monitoring stations, and each monitoring station includes a monitoring station GPS antenna and a monitoring station GPS receiver. 8. The tailings pond dam deformation monitoring system according to claim 1, wherein the monitoring station includes: GPS one-machine multi-antenna controller, comprising: measuring GPS receiver, multi-antenna changeover switch and microprocessor with multiple channels, multi-antenna changeover switch and measuring GPS receiver are connected to described microprocessor respectively; And The antenna module includes a plurality of antennas, and each antenna corresponds to a channel of the multi-antenna switch, forming a communication link between each antenna and the GPS receiver. 9. The tailings pond dam deformation monitoring system according to claim 8, wherein each antenna in the antenna module is connected to a GPS multi-antenna controller through a low-noise amplifier.

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