CN113419273A - Automatic picking method for surface mine blasting vibration signal - Google Patents
Automatic picking method for surface mine blasting vibration signal Download PDFInfo
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- CN113419273A CN113419273A CN202110682479.1A CN202110682479A CN113419273A CN 113419273 A CN113419273 A CN 113419273A CN 202110682479 A CN202110682479 A CN 202110682479A CN 113419273 A CN113419273 A CN 113419273A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention discloses a method and a system for automatically picking up a surface mine blasting vibration signal based on a wireless sensor. The system comprises: the three-axis acceleration sensor is arranged at a monitoring point and used for collecting blasting vibration data; the wireless router transmits data to the cloud server for the acceleration sensor; the cloud server is built on the server, stores blasting vibration data and receives the state of the sensor; a remote monitoring platform; the remote monitoring platform is in communication butt joint with the cloud server, and analyzes and screens monitoring data to obtain real blasting vibration waveform, frequency, amplitude and other data. The acceleration sensor is arranged in the area near the strip mine blasting, so that the high-accuracy, high-precision, all-weather and real-time monitoring of the strip mine blasting is realized.
Description
Technical Field
The invention relates to the field of vibration monitoring, in particular to an automatic pick-up method for a surface mine blasting vibration signal.
Background
With the rapid development of social economy in China, the demand for coal is increasing day by day, and how to safely and efficiently mine coal becomes an important topic in the coal industry. The open pit coal mine has the advantages of safety, high efficiency and the like as a main mining mode. The vibration generated by blasting has an important influence on the stability of buildings around the mining area and open slopes, and easily induces secondary disasters related to the vibration, so that the safety and the efficiency of the mining process are directly influenced. Therefore, it is important to monitor the blast vibration response in the vicinity of the source of the mine site blast. At present, the main monitoring method is to use the vibration amplitude as the only data acquisition signal, which is easily interfered by the environmental noise, and causes interference in the aspects of real-time monitoring, data analysis in the later period, and the like.
Disclosure of Invention
The invention aims to provide an automatic pick-up method of a strip mine blasting vibration signal, which realizes the monitoring of the strip mine blasting vibration with high accuracy and high precision by arranging a blasting vibration monitoring point in a blasting adjacent area of the strip mine and utilizing the particularity of the vibration frequency, the duration, the vibration amplitude and the vibration waveform of the blasting vibration wave.
A method for automatically picking up a surface mine blasting vibration signal comprises the following steps:
the three-axis acceleration sensor is arranged on a monitoring point and used for collecting strip mine blasting vibration data;
the wireless router provides a 4G wireless network for the triaxial acceleration sensor; the wireless router is installed in the range of 5m of the triaxial acceleration sensor.
The cloud server is in communication connection with the three-axis acceleration sensor and stores blasting vibration data;
and the remote monitoring platform is in communication connection with the cloud server, and analyzes and screens the monitoring data acquired by the cloud server to obtain the blasting vibration information of the monitoring point.
In the method for automatically picking up the blasting vibration signal of the surface mine, the triaxial acceleration sensor comprises a power supply module, an acquisition module, a storage module and a transmission module; the power supply module provides driving electric energy for the acquisition module, the storage module and the transmission module; the acquisition module acquires vibration data and sends the vibration data to the storage module for storage; the storage module stores the monitoring data acquired by the acquisition module and sends the monitoring data to the transmission module; the transmission module is connected to a cloud server through a 4G network provided by a wireless router, and transmits the acquired data sent by the storage module to the cloud server.
In the method for automatically picking up the surface mine blasting vibration signal, a wireless connection module is arranged in the transmission module and wirelessly transmits monitoring data to the cloud server,
in the method for automatically picking up the blasting vibration signal of the surface mine, the cloud server is communicated with the acceleration sensor through a 4G network and stores the collected and transmitted data.
In the method for automatically picking up the surface mine blasting vibration signal, an alarm module is arranged in the remote monitoring platform; and the remote monitoring platform triggers the alarm module to give an alarm when the obtained blasting vibration data exceeds a preset threshold value.
In the method for automatically picking up the blasting vibration signals of the surface mine, the threshold values are set to be multiple, and the multiple threshold values correspond to different blasting vibration speeds so as to realize multi-stage alarm of the alarm module; the multi-level alarm comprises one or more of a mail mode, a short message mode, a WeChat mode, a telephone mode and an audible and visual alarm mode.
In the method for automatically picking up the blasting vibration signal of the surface mine, the three-axis acceleration sensor is fixed on the monitoring base point through a fixing bracket; the bracket comprises a stainless steel bracket body, a fixing screw, a fixing gasket and an ABS waterproof box;
the method for automatically picking up the blasting vibration signal of the surface mine comprises the following steps:
1. selecting the position of a strip mine blasting vibration monitoring point, and mounting the fixed support on the selected monitoring point;
2. and installing the three-axis acceleration sensor on the fixed support, and installing the wireless router within the 5m range of the three-axis acceleration sensor, so that the three-axis acceleration sensor can be connected with the 4G network of the wireless router.
3. And the cloud server is in communication connection with the three-axis acceleration sensor so as to store and transmit monitoring data acquired by the three-axis acceleration sensor.
4. And the cloud server is in communication connection with a remote monitoring platform, and the remote monitoring platform is used for monitoring data acquired by the cloud server according to characteristics of blasting vibration time domain, frequency domain and the like of the surface mine: the main frequency of blasting vibration of the surface mine is 10 Hz-50 Hz, the duration time is 2 s-5 s, the vibration amplitude is large, the vibration waveform is the superposition of a plurality of trigonometric functions, and the sensors in the same surface mine blasting monitoring area are simultaneously acquired. And screening and analyzing data to obtain the blasting vibration information of the strip mine.
In the method for automatically picking up the blasting vibration signal of the surface mine, in step 4, after the remote monitoring platform analyzes the monitoring data, the monitoring data are compared with the blasting vibration speed limit values of different grades prestored in the remote monitoring platform, and alarms of different grades are sent out aiming at the condition that the analyzed monitoring data exceed the blasting vibration speed limit values.
The invention at least comprises the following beneficial effects:
the method for automatically picking up the vibration signal of the surface mine blasting can be used for integrally monitoring the surface mine blasting and can realize long-distance, large-range, high-accuracy, high-precision and continuous monitoring. The problems that the traditional deformation monitoring data is not reflected timely, the surrounding environment is influenced by noise and the like are solved, and the loss of personnel and property caused by the monitoring reason is avoided.
Drawings
FIG. 1 is a flow chart of an automatic picking system for blasting vibration signals;
fig. 2 is a diagram of an automatic picking system of a blasting vibration signal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
A method for automatically picking up a surface mine blasting vibration signal comprises the following steps:
and the three-axis acceleration sensor is arranged on the monitoring point.
And the wireless router is arranged in the range of 5m of the three-axis acceleration sensor.
And the cloud server is in communication connection with the three-axis acceleration sensor through a 4G network provided by the wireless router and stores vibration data acquired by the three-axis acceleration sensor.
And the remote monitoring platform is in communication connection with the cloud server, and analyzes and screens the data acquired by the cloud platform to obtain blasting vibration information of corresponding monitoring points.
A method for automatically picking up a surface mine blasting vibration signal comprises the following steps:
1. selecting the position of a strip mine blasting vibration monitoring point, and mounting the fixed support on the selected monitoring point;
2. and installing the three-axis acceleration sensor on the fixed support, and installing the wireless router within the 5m range of the three-axis acceleration sensor, so that the three-axis acceleration sensor can be connected with the 4G network of the wireless router.
3. And the cloud server is in communication connection with the three-axis acceleration sensor so as to store and transmit monitoring data acquired by the three-axis acceleration sensor.
4. And the cloud server is in communication connection with a remote monitoring platform, and the remote monitoring platform screens and analyzes the monitoring data acquired by the cloud server, so that the blasting vibration information of the strip mine is obtained.
According to the method for automatically picking up the blasting vibration signals of the surface mine, after the remote monitoring platform analyzes the monitoring data, the monitoring data are compared with the blasting vibration speed threshold values of different grades prestored in the remote monitoring platform, and alarms of different grades are sent out when the analyzed monitoring data exceed the blasting vibration speed threshold values.
The remote monitoring platform can set different levels according to user requirements to carry out multi-level alarm, the plurality of threshold values correspond to different blasting vibration speeds so as to realize multi-level alarm of the alarm module, and the multi-level alarm comprises one or more of mail, short message, WeChat, telephone and sound and light alarm modes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A method for automatically picking up a surface mine blasting vibration signal comprises the following steps: the three-axis acceleration sensor is arranged on a monitoring base point of a building area around the strip mine;
the wireless routing sensor is in communication connection with the three-axis acceleration sensor; the wireless router is arranged in the communication connection range of the three-axis acceleration sensor;
the cloud server is in communication connection with the wireless router through a 4G network; the cloud server stores the data acquired by the wireless router;
the remote monitoring platform is in communication connection with the cloud server; and the remote monitoring platform screens and analyzes the data of the cloud server to obtain blasting vibration information of corresponding monitoring points.
2. The method for automatically picking up vibration signals of surface mine blasting according to claim 1, wherein the triaxial acceleration sensor comprises a power supply module, an acquisition module, a storage module and a transmission module; the power supply module provides driving electric energy for the acquisition module, the storage module and the transmission module; the acquisition module acquires vibration data and sends the vibration data to the storage module for storage; the storage module stores the monitoring data acquired by the acquisition module and sends the monitoring data to the transmission module; the transmission module is connected to a cloud server through a 4G network provided by a wireless router, and transmits the acquired data sent by the storage module to the cloud server.
3. The method for automatically picking up the vibration signal of the surface mine blasting according to claim 2, wherein a wireless connection module is arranged in the transmission module, the wireless connection module wirelessly transmits the monitoring data to the cloud server,
4. the method for automatically picking up the vibration signal of the surface mine blasting according to claim 1, wherein the cloud server communicates with the acceleration sensor through a 4G network and stores the collected and transmitted data.
5. The method for automatically picking up vibration signals for blasting of surface mine according to claim 1, wherein an alarm module is provided in the remote monitoring platform; and the remote monitoring platform triggers the alarm module to give an alarm when the obtained blasting vibration data exceeds a preset threshold value.
6. The method for automatically picking up the surface mine blasting vibration signal as claimed in claim 5, wherein the threshold value is set to be a plurality of values, and the plurality of values correspond to different blasting vibration speeds so as to realize multi-level alarming of the alarm module; the multi-level alarm comprises one or more of a mail mode, a short message mode, a WeChat mode, a telephone mode and an audible and visual alarm mode.
7. The method for automatically picking up vibration signals for blasting of surface mine according to claim 1, wherein the three-axis acceleration sensor is fixed to the monitoring base point by a fixing bracket; the support includes stainless steel support body, set screw, fixed shim and ABS waterproof box.
8. A method of automatically picking up vibration signals for surface mine blasting according to any of claims 1-7, comprising the steps of:
1. selecting the position of a strip mine blasting vibration monitoring point, and mounting the fixed support on the selected monitoring point;
2. mounting the three-axis acceleration sensor on the fixed support, and mounting the wireless router within 5m of the three-axis acceleration sensor so that the three-axis acceleration sensor can be connected with a 4G network of the wireless router;
3. the cloud server is in communication connection with the three-axis acceleration sensor so as to store and transmit monitoring data acquired by the three-axis acceleration sensor;
4. the cloud server is in communication connection with a remote monitoring platform, and the remote monitoring platform screens and analyzes monitoring data acquired by the cloud server to obtain blasting vibration information of the strip mine;
9. the method for automatically picking up the vibration signal of blasting in a surface mine according to claim 8, wherein in 4, after analyzing the monitored data, the remote monitoring platform further compares the analyzed data with the pre-stored limits of different blasting vibration speeds in different levels, and alarms of different levels are issued when the analyzed monitored data exceeds the limits of the blasting vibration speeds.
10. The method for automatically picking up vibration signals of surface mine blasting according to claim 8, wherein the data analysis and screening method is to analyze and screen according to the characteristics of the surface mine blasting vibration in time domain, frequency domain, and the like; the main frequency of blasting vibration of the surface mine is 10 Hz-50 Hz, the duration time is 2 s-5 s, the vibration amplitude is large, the vibration waveform is the superposition of a plurality of trigonometric functions, and the sensors in the same surface mine blasting monitoring area are simultaneously acquired. According to the characteristic, the data collected by the influence of the environmental noise vibration is removed.
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| CN202110682479.1A CN113419273A (en) | 2021-06-18 | 2021-06-18 | Automatic picking method for surface mine blasting vibration signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114302361A (en) * | 2021-12-30 | 2022-04-08 | 广西大学 | Microseism signal 5G wireless transmission method and device for rock mass catastrophe monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114302361A (en) * | 2021-12-30 | 2022-04-08 | 广西大学 | Microseism signal 5G wireless transmission method and device for rock mass catastrophe monitoring |
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