CN211577458U - Rock burst detection device and rock burst intelligent monitoring system - Google Patents
Rock burst detection device and rock burst intelligent monitoring system Download PDFInfo
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- CN211577458U CN211577458U CN202020482852.XU CN202020482852U CN211577458U CN 211577458 U CN211577458 U CN 211577458U CN 202020482852 U CN202020482852 U CN 202020482852U CN 211577458 U CN211577458 U CN 211577458U
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Abstract
The utility model discloses a rock burst detection device and rock burst intelligent monitoring system, this detection device includes: the sensor comprises an intrinsic safety type shell fixed on a detection surface, at least one wire detection assembly, a power supply unit, a sensor unit and a data processing unit which are arranged in the shell, and at least one lead-out hole arranged on the surface of the shell, wherein the wire detection assembly corresponds to the lead-out hole one by one; the first end of each wire detecting component penetrates through the corresponding lead-out hole to be connected with the input end of the sensor unit, the second end of each wire detecting component extends in the direction departing from the shell, the wire detecting components act under the traction of the detection surface, and the sensor unit is used for generating an analog detection signal according to the action of the wire detecting components; the input end of the data processing unit is connected with the output end of the sensor unit, and the data processing unit is used for judging whether rock burst exists according to the analog detection signal. The utility model provides a detection device utilizes and visits the nondestructive test that the silk subassembly carried out rock burst, and measurement sensitivity is high, simple to operate.
Description
Technical Field
The embodiment of the utility model provides a mine safety monitoring technology field especially relates to a rock burst detecting device and rock burst intelligent monitoring system.
Background
In the process of underground coal mining, the dynamic phenomenon of sudden and violent destruction caused by the instant release of the elastic deformation performance of coal and rock masses is called 'rock burst' or 'rock burst', and when the rock burst occurs, the rock burst not only causes disastrous casualties, but also brings huge economic loss, thereby becoming one of serious disasters of coal mines.
At present, the impact risk is predicted by monitoring the motion state of a roof, the development range of the pressure and the peak position, and the method is one of important means for monitoring the mine safety. The top plate dynamic method adopts a displacement meter to arrange measuring points in the advanced crossheading, monitors the motion rule of the top plate and the distribution rule of the supporting pressure, and judges the fracture position of the top plate and the bottom plate according to the variation of the moving-in amount and the moving-in speed of the top plate and the bottom plate. However, the existing rock burst monitoring method has a small detection range and a complex installation structure. In addition, the existing rock burst monitoring method needs to use a large amount of data analysis and comparison algorithms, is difficult to intuitively reflect precursor data of rock burst, and is poor in economy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rock burst detection device has solved that current rock burst monitoring method detection range is little, the not audio-visual problem of testing result, simple structure, and the practicality is strong.
In a first aspect, an embodiment of the utility model provides a rock burst detection device is provided, include: the device comprises an intrinsic safety type shell fixed on a detection surface, at least one wire detection assembly, a power supply unit, a sensor unit, a data processing unit and at least one lead-out hole, wherein the power supply unit, the sensor unit and the data processing unit are arranged in the shell; the first end of each wire detecting assembly penetrates through the corresponding lead-out hole to be connected with the input end of the sensor unit, the second end of each wire detecting assembly extends in the direction away from the shell, the wire detecting assemblies act under the traction of a detecting surface, and the sensor unit is used for generating an analog detecting signal according to the action of the wire detecting assemblies; the input end of the data processing unit is connected with the output end of the sensor unit, and the data processing unit is used for judging whether rock burst exists according to the analog detection signal.
In a second aspect, the embodiment of the present invention further provides an intelligent rock burst monitoring system, including: the rock burst detection device, the detection host, the control center and the wireless communication network are connected in a wireless communication manner, and the detection host is used for receiving an analog detection signal sent by the rock burst detection device; the detection host is connected with the control center through the wireless communication network.
The embodiment of the utility model provides an rock burst intelligent monitoring system, adopt above-mentioned rock burst detecting device, this rock burst detecting device is through setting up on the detection face and visit the silk subassembly, it is radial setting to visit the silk subassembly, carry out real-time supervision to the small action of detection face, and judge whether there is the risk of taking place the rock burst according to the small action of detection face, it is little to have solved current rock burst monitoring method detection range, the not audio-visual problem of detection result, moreover, the steam generator is simple in structure, high durability and economical efficiency, adopt this ampere of structure, reliable operation under inflammable and explosive environment, can be real-time accurate on-line monitoring mine rock burst, effectively reduce mine property loss, reduce casualties.
Drawings
Fig. 1 is a schematic structural diagram of a rock burst detecting device according to an embodiment of the present invention;
fig. 2 is a top view of a rock burst detecting device according to an embodiment of the present invention;
fig. 3 is a front view of a rock burst detecting device according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of an intelligent rock burst monitoring system provided by the second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a detection host provided in the second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The rock burst refers to the dynamic phenomenon of sudden and violent damage of coal and rock mass around a coal mine roadway or a detection surface due to the instantaneous release of elastic deformation energy, and is often accompanied by instantaneous displacement, throwing, great sound, air waves and the like of the coal and rock mass. Although the duration is only a few seconds to a few tens of seconds when the impact occurs, before the impact earth pressure occurs, an energy slow and long gathering process exists, the energy is gathered to a certain degree and then instantly explodes, and in the gathering process, the detection surface of the coal rock mass or the roadway is often accompanied by slight vibration or displacement.
Based on this, the embodiment of the utility model provides a rock burst detection device and rock burst intelligent monitoring system are proposed. The technical solution of the embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Example one
The embodiment of the utility model provides a rock burst detection device is provided, this rock burst detection device is used for carrying out real-time supervision's application scene to rock burst's precursor action. Fig. 1 is a schematic structural diagram of a rock burst detecting device according to an embodiment of the present invention. Fig. 2 is a top view of a rock burst detecting device according to an embodiment of the present invention. Fig. 3 is a front view of a rock burst detecting device according to an embodiment of the present invention.
Referring to fig. 1 to 3 in combination, the rock burst detecting device 010 includes: the safety type optical fiber cable detection device comprises an intrinsic safety type shell 101 fixed on a detection surface, at least one wire detection assembly 102, a power supply unit 103, a sensor unit 104 and a data processing unit 105 which are arranged in the shell, and at least one lead-out hole 106 arranged on the surface of the shell 101, wherein the wire detection assemblies 102 correspond to the lead-out holes 106 one by one.
Referring collectively to fig. 1 to 3, the power supply unit 103 is connected to the data processing unit 105; a first end of each wire detecting component 102 passes through the corresponding leading-out hole 106 to be connected with an input end of the sensor unit 104, a second end of each wire detecting component 102 extends in a direction away from the shell 101, the wire detecting components 102 act under the traction of a detecting surface, and the sensor unit 104 is used for generating an analog detecting signal according to the action of the wire detecting components 102; the input end of the data processing unit 105 is connected with the output end of the sensor unit 104, and the data processing unit 105 is used for judging whether the risk of rock burst occurs or not according to the analog detection signal.
In this embodiment, the casing 101 may adopt an intrinsic safety type structure, and reliably operates in an inflammable and explosive environment, and the casing 101 may be disposed on a detection surface according to an on-site investigation condition under a mine, the detection surface may be disposed on a roadway or a rock wall under the mine where rock burst is likely to occur, and the wire-detecting assembly 102 is in a tensioned state and attached to the detection surface. According to the requirements of the working environment under the mine, each rock burst detecting device 010 can be provided with one or more wire probing assemblies 102, the plurality of wire probing assemblies 102 extend towards different directions by taking the shell 101 as the center, and are radially arranged around the shell 101 to form a spider web-like detecting structure, so that the detection sensitivity can be improved, and the detection range can be enlarged.
If any point of the detection surface is physically sunk or vibrated, a tensile force is generated at a joint point of the wire detecting assembly 102 and the detection surface, the wire detecting assembly 102 is arranged in a sunk area or a vibration area, the wire detecting assembly 102 acts under the traction of the tensile force, for example, when the tensile force of the detection surface is greater than the preset tensile force of the wire detecting assembly 102, the wire detecting assembly 102 is moved out of the outlet hole 106 of the housing 101, and the displacement of the wire detecting assembly 102 is in direct proportion to the tensile force on the detection surface. The sensor unit 104 is connected to the first end of the wire detecting assembly 102, and the sensor unit 104 senses the motion of the wire detecting assembly 102 and generates a corresponding analog detection signal, for example, analog data of 4-20mA, according to the motion of the wire detecting assembly 102. Furthermore, the data processing unit 105 analyzes the analog detection signal generated by the sensor unit 104, and if the value of the analog detection signal is greater than a preset detection threshold, the data processing unit 105 determines that there is a risk of occurrence of rock burst and outputs a high-level signal.
For example, a mounting hole may be provided in the center of the casing 101, a fastening bolt passes through the mounting hole to fix the casing on the detection surface of the roadway or rock wall, a first end of the wire probe assembly 102 is connected to the input end of the sensor unit 104 through the corresponding lead-out hole 106, and a second end of the wire probe assembly 102 is fixed at a point on the detection surface away from the casing 101, so that the wire probe assembly 102 is in a tensioned state and the wire probe assembly 102 is attached to the detection surface.
It should be noted that, according to the detection range requirement of the detection surface, a plurality of rock burst detection devices may be further disposed in the detection surface, and the wire detecting assemblies of each rock burst detection device are not overlapped with each other, so that the detection range may be expanded.
Optionally, as shown in fig. 2, the wire probing assembly 102 includes: visit silk body 201 and adjustable visit silk solid fixed ring 202, the first end of visiting silk body 201 passes the lead-out hole 106 that corresponds and links to each other with sensor unit 104's input, and the second end of visiting silk body 201 extends to the direction that deviates from casing 101, and the second end of visiting silk body 201 links to each other with adjustable visit silk solid fixed ring 202, and visit silk body 201, adjustable visit silk solid fixed ring 202 and casing 101 setting are on a straight line.
In this embodiment, the adjustable wire probing fixing ring 202 includes a wire probing fixing ring 203 and a wire probing adjusting ring 204, wherein the wire probing fixing ring 203 is disposed at the second end of the wire probing body 201, the wire probing fixing ring 203 can be fixedly mounted on a point of the probing surface away from the housing 101 by a rivet or other fastening device, a distance between a mounting point of the wire probing fixing ring 203 and the housing 101 is the same as or approximately the same as a length of the wire probing body 201, after the wire probing fixing ring 203 is fixed, the wire probing body 201 is in an approximately tensioned state, and the wire probing fixing ring 203 can be disposed at a position where impact pressure easily occurs according to a mounting environment of the probing surface, which is not limited. The wire detecting adjusting ring 204 can be arranged at a position close to the wire detecting fixing ring 203, and the tension of the wire detecting body 201 can be adjusted by adjusting the wire detecting adjusting ring 204.
Optionally, the wire body 201 may be a flexible steel wire, and the material of the wire body 201 is 304 stainless steel.
Illustratively, the wire body can be made of 304 stainless steel flexible steel wires with the diameter of 1.5 mm, and the length of the wire body can be adjusted according to the working condition of the detection surface, for example, the length of the wire body can be 100 meters.
The embodiment of the utility model provides an rock burst detection device, through set up on the detection face and visit the silk subassembly, it is radial setting to visit the silk subassembly, carry out real-time supervision to the small action of detection face, and judge whether there is the risk that takes place the rock burst according to the small action of detection face, it is little to have solved current rock burst monitoring method detection range, the problem that the detection result is not audio-visual, moreover, the steam generator is simple in structure, high durability and convenient installation, detection sensitivity, it is wide to survey the operation scope, there is not measurement loss, practicality and economic nature are high, the device adopts this ampere type structure, reliable operation under inflammable and explosive environment, can be in real time accurate on-line monitoring mine rock burst, effectively reduce mine loss of property, reduce casualties.
Optionally, referring to fig. 1 to 3 in combination, the rock burst detecting device further includes: the displacement indicating disc 107 is connected with the wire detecting assembly 102 in a one-to-one correspondence mode, the displacement indicating disc 107 comprises a pointer, a pointer seat and a dial, the pointer is fixed on the pointer seat, the pointer seat penetrates through a central circular hole of the dial to be connected with a first end of the wire detecting body 201, and the pointer seat is driven by the wire detecting body 201 to rotate axially.
In this embodiment, after the casing 101 and the wire fixing ring 203 are fixed, the wire body 201 is in a nearly tensioned state, the pointer on the displacement indicating dial 107 is located at a position other than 0, the tension of the wire body 201 can be adjusted by rotating the wire adjusting ring 204, and when the pointer on the displacement indicating dial 107 indicates the position 0, the tension adjustment of the wire body 201 is completed.
After the tension adjustment of the wire probing body 201 is completed, the rock burst detecting device 010 enters a working state to monitor the micro-motion of the detection surface in real time. If the detection surface sinks physically, a tensile force is generated at the joint of the wire detecting component 102 and the detection surface, when the tensile force of the detection surface is greater than the preset tensile force of the wire detecting component 102, the wire detecting component 102 moves out of the lead-out hole 106 of the shell 101, the pointer seat is driven by the wire detecting body 201 to rotate axially, the pointer is driven to rotate, the dial is provided with scale values, if data indicated by the pointer exceed a preset displacement threshold value, the risk of rock burst can be judged to exist, therefore, the displacement of the detection surface is displayed visually in a mechanical dial mode, an on-site operator can directly obtain the collapse degree of the detection surface according to the displacement indicating disc, and the use is convenient.
Optionally, as shown in fig. 1, the sensor unit 104 includes a displacement sensor 401 and/or a first vibration sensor 402, an input end of the displacement sensor 401 is connected to the first end of the wire detecting assembly 102, an output end of the displacement sensor 401 is connected to the first input end of the data processing unit 105, an input end of the first vibration sensor 402 is connected to the first end of the wire detecting assembly 102, and an output end of the first vibration sensor 402 is connected to the second input end of the data processing unit 105.
In this embodiment, if any point of the detection surface generates physical sinking or vibration, the wire detecting body 201 moves out of the drawing hole 106 of the housing 101, the displacement sensor 401 is configured to detect a displacement length of the wire detecting assembly 102 and generate a displacement analog detection signal according to a detection result, and the first vibration sensor 402 is configured to detect a vibration action of the wire detecting assembly 102 and generate a first vibration analog detection signal according to a detection result.
Optionally, as shown in fig. 1, the rock burst detecting device 010 further includes: at least one second vibration sensor 403, the second vibration sensor 403 being arranged in the housing 101, an output of the second vibration sensor 403 being connected to a third input of the data processing unit 105, a detection accuracy of the first vibration sensor 402 being better than a detection accuracy of the second vibration sensor 403.
In the present embodiment, the second vibration sensor 403 is used to detect the vibration of the casing 101 and correspondingly generate a second vibration simulation detection signal according to the detection result.
Illustratively, the first vibration sensor may be a high frequency, precision measuring miniature vibration sensor, e.g., an YND-VS12 type vibration sensor, and the measurement sensitivity of the first vibration sensor may be no less than + -2%. The second vibration sensor may be a high frequency vibration sensor, and the measurement sensitivity of the second vibration sensor may be not less than ± 5%.
Optionally, referring to fig. 1 to 3 in combination, the rock burst detecting device 010 further includes: the receiving end of the wireless communication unit 108 is electrically connected with the output end of the data processing unit 105, the transmitting end of the wireless communication unit 108 is in wireless communication connection with the detection host 020, and the wireless communication unit 108 is used for receiving the analog detection signal output by the data processing unit 105 and sending the analog detection signal to the detection host 020.
Illustratively, the wireless communication unit 108 may be a data transmitting antenna, and the detecting host 020 is provided with a data receiving antenna, and an operating frequency band of the data transmitting antenna is the same as an operating frequency band of the data receiving antenna.
In this embodiment, the sensor unit 104 senses the motion of the wire probing assembly 102, and generates a corresponding analog detection signal according to the motion of the wire probing assembly 102, the data processing unit 105 receives the analog detection signal sent by the sensor unit 104, and sends the analog detection signal to the detection host 020 in a wireless communication manner, and the detection host 020 performs centralized storage and processing on all the analog detection signals, so that remote data transmission and remote monitoring can be realized.
Optionally, referring to fig. 1 to 3 in combination, the rock burst detecting device 010 further includes: the voltage detection module 301 is used for detecting the power supply voltage of the power supply unit 103 and controlling the low-voltage alarm unit to perform a low-voltage alarm signal when the power supply voltage is lower than a preset low-voltage threshold value.
In the present embodiment, the power supply unit 103 may be a dc large-capacity battery pack. The voltage detection module 301 detects the power voltage of the power supply unit 103 in real time, and if the power voltage is lower than a preset low-voltage threshold, the voltage detection module 301 sends a high-level signal to control the low-voltage alarm unit 302 to perform a low-voltage alarm signal.
Illustratively, the low voltage alarm unit 302 may be an indicator light, which is turned off in a normal operating state; when the low voltage alarm unit 302 receives a high level signal, the indicator lamp is turned on.
In this embodiment, the power supply unit 103 is connected to the data processing unit 105, the power supply unit 103 supplies power to all the electric devices of the rock burst detection device 010, after the power is turned on, the rock burst detection device 010 enters a working state after performing self-test, after a preset time, if the data processing unit 105 does not receive any detection signal, the power supply unit 103 stops supplying power to the rock burst detection device 010, and the rock burst detection device 010 enters a standby mode. When the wire detecting component 102 generates a displacement action, the power supply unit 103 resumes supplying power to the data processing unit 105, so that the service life of the power supply unit 103 can be prolonged.
Optionally, referring to fig. 1 to 3 in combination, the rock burst detecting device 010 further includes: and the alarm unit 109 is arranged on the outer surface of the shell 101, the control end of the alarm unit 109 is connected with the output end of the data processing unit 105, and if the data processing unit 105 detects that the risk of generating rock burst exists, the alarm unit 109 is controlled to give an alarm, wherein the alarm unit 109 can comprise a buzzer and a warning lamp.
In this embodiment, the data processing unit 105 may include an analog-to-digital converter, where the analog-to-digital converter is configured to perform analog-to-digital conversion on the analog detection signal generated by the sensor unit 104, and if a value of the analog detection signal is greater than a preset detection threshold, the data processing unit 105 determines that there is a risk of generating a rock burst and outputs a high-level signal. If the alarm unit 109 receives the high level signal, the alarm unit 109 gives an alarm, for example, under the control of the high level signal, the buzzer gives an audible alarm, and the warning light gives a light alarm.
Therefore, the embodiment of the utility model provides a rock burst detection device, through set up on the detection face and visit the silk subassembly, visit the silk subassembly and be radial setting, carry out real-time supervision to the small action of detection face to whether the risk that takes place the rock burst exists is judged according to the small action of detection face, and carry out on-the-spot acousto-optic warning according to surveying the structure, it is little to have solved current rock burst monitoring method detection range, the not audio-visual problem of detection result, moreover, the steam generator is simple in structure, high durability and convenient installation, detection sensitivity is high, it is wide to survey the operation scope, and economy is suitable for.
Example two
The embodiment of the utility model provides a second still provides a rock burst intelligent monitoring system. The embodiment of the utility model provides a rock burst intelligent monitoring system in two improves based on above-mentioned rock burst detecting device, is applicable to and carries out remote monitoring's application scene to the rock burst. Fig. 4 is a schematic structural diagram of the intelligent rock burst monitoring system provided by the embodiment of the present invention.
As shown in fig. 4, the intelligent rock burst monitoring system 100 includes: the rock burst detection device 010, the detection host 020, the control center 030 and the communication network 040, wherein the detection host 020 and the rock burst detection device 010 are in wireless communication connection, and the detection host 020 is used for receiving an analog detection signal sent by the rock burst detection device 010; the detection host 020 is connected to the control center 030 via a communication network 040.
Illustratively, as shown in fig. 4, the communication network 040 includes a ring network industrial switch 041, the ring network industrial switch 041 is connected to the detection host 020 through a network cable, and the ring network industrial switch 041 transmits all analog detection signals in the detection host 020 to a designated control center or control centers 030 using an industrial ring network. The control center 030 is loaded with a computer software program which is executed to analyze and store all the simulated detection signals and judge whether there is a risk of occurrence of rock burst according to the simulated detection signals.
In this embodiment, the probing host 020 comprises a host fixing ring 021, and the fastening device passes through the host fixing ring 021 to fix the probing host 020 on the probing surface. The installation point of the main detection unit 020 can be adjusted according to the installation environment of the site, for example, the main detection unit 020 can be fixedly arranged near the mine underground looped network switch 041.
In this embodiment, the rock burst detecting device 010 includes: the device comprises a shell 101 fixed on a detection surface, at least one wire detecting component 102, a power supply unit 103, a sensor unit 104 and a data processing unit 105 which are arranged in the shell, a wireless communication unit 108 and at least one wire leading-out hole 106 which are arranged on the surface of the shell 101, wherein the wire detecting components 102 correspond to the wire leading-out holes 106 one by one.
If any point of the detection surface is physically sunk or vibrated, a tensile force is generated at a joint point of the wire detecting assembly 102 and the detection surface of the rock burst detection device 010 arranged in a sunk area or a vibration area, the wire detecting assembly 102 acts under the traction of the tensile force, the sensor unit 104 generates a corresponding analog detection signal according to the action of the wire detecting assembly 102, and the wireless communication unit 108 sends all the analog detection signals to the detection host 020 in a wireless communication mode. The detection host 020 receives all the analog detection signals, and sends all the analog detection signals to the control center 030 through the communication network 040, and the control center 030 analyzes and stores all the analog detection signals, so as to remotely monitor the rock burst.
Fig. 5 is a schematic structural diagram of a detection host provided in the second embodiment of the present invention.
Optionally, as shown in fig. 4 and 5, the probing host 020 includes: the system comprises a host computer body 022, a host computer wireless communication unit 023, a host computer power supply unit 024, a host computer power supply voltage detection module 025 and a host computer low-voltage alarm unit 026 which are arranged in the host computer body, a host computer power supply interface 027 and a host computer network interface 028 which are arranged on the surface of the host computer body 022, wherein the host computer wireless communication unit 023 is in wireless communication connection with a wireless communication unit 108 of the rock burst detection device, and the host computer wireless communication unit 023 is in communication connection with a ring network industrial switch 041 through the host computer network interface 028 and a network cable; the host power supply unit 024 is connected with a power supply end of the host wireless communication unit 023, and the host power supply unit 024 is connected with an external power supply 050 through a host power supply interface 027; the input end of the host power supply voltage detection module 025 is connected with the host power supply unit 024, and the output end of the host power supply voltage detection module 025 is connected with the host low-voltage alarm unit 026.
Illustratively, the host wireless communication unit 023 can be a data receiving antenna.
In the present embodiment, when the external power supply is powered on, the external power supply supplies power to all the power loads of the detection host 020 through the host power interface 027, and at the same time, the external power supply charges the host power unit 024. When the external power supply is powered off, the main machine power supply unit 024 supplies power to all the electric loads of the detection main machine 020, and the main machine power supply unit 024 can be a direct-current high-capacity battery pack. The host voltage detection module 025 detects the host power supply voltage of the host power supply unit 024 in real time, and sends out a high level signal when the host power supply voltage is lower than a preset voltage threshold value, and controls the host low voltage alarm unit 026 to perform a low voltage alarm signal, for example, the host low voltage alarm unit 026 may be a host low voltage alarm indicator lamp, and if the host power supply voltage is greater than or equal to the preset voltage threshold value, the host low voltage alarm indicator lamp goes off; if the host power supply voltage is lower than the preset voltage threshold value, the host low-voltage alarm indicator lamp is turned on, and the host power supply low-voltage alarm is realized.
Further, as shown in fig. 5, the probing host 020 further includes: communication fault alarm lamp 029, communication fault alarm lamp 029 links to each other with host computer wireless communication unit 023, if the host computer wireless communication unit 023 of detecting host computer 020 and the wireless communication disconnection of the wireless communication unit 108 of rock burst detection device 010, then host computer wireless communication unit 023 output high level signal, and communication fault alarm lamp lights, realizes communication fault alarm.
It should be noted that, in a mine, each detection host 020 can be in wireless communication connection with a plurality of rock burst detection devices 010, and sends an analog detection signal sent by each rock burst detection device 010 to the control center 030, so as to realize remote monitoring of rock burst. When the detection host 020 and the rock burst detection device 010 have communication faults, the rock burst detection device 010 is still in a working state, the action of a detection surface is monitored in real time, whether a risk of rock burst occurs is judged according to a detection signal, and an alarm signal is sent out when the risk of rock burst occurs is judged.
To sum up, the embodiment of the utility model provides an rock burst intelligent monitoring system who provides adopts above-mentioned rock burst detecting device, this rock burst detecting device is through setting up on the detection face and visit the silk subassembly, it is radial setting to visit the silk subassembly, carry out real-time supervision to the small action of detection face, and judge whether there is the risk of taking place the rock burst according to the small action of detection face, it is little to have solved current rock burst monitoring method detection range, the not audio-visual problem of detection result, moreover, the steam generator is simple in structure, high durability and convenient installation, detection sensitivity is high, it is wide to survey the operation range, there is not the measurement loss, practicality and economic nature are high, adopt this ampere type structure, reliable operation under inflammable and explosive environment, can accurately on-line monitoring mine rock burst in real time, effectively reduce mine property loss, reduce casualties.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (11)
1. A rock burst detection device, comprising: the device comprises an intrinsic safety type shell fixed on a detection surface, at least one wire detecting component, a power supply unit, a sensor unit and a data processing unit which are arranged in the shell, and at least one lead-out hole arranged on the surface of the shell, wherein the wire detecting components correspond to the lead-out holes one by one,
the power supply unit is connected with the data processing unit and used for supplying power to the rock burst detection device;
the first end of each wire detecting assembly penetrates through the corresponding lead-out hole to be connected with the input end of the sensor unit, the second end of each wire detecting assembly extends in the direction away from the shell, the wire detecting assemblies act under the traction of a detecting surface, and the sensor unit is used for generating an analog detecting signal according to the action of the wire detecting assemblies;
the input end of the data processing unit is connected with the output end of the sensor unit, and the data processing unit is used for judging whether rock burst exists according to the analog detection signal.
2. The rock burst detection device of claim 1, wherein the wire probe assembly comprises: the sensor comprises a wire detecting body and an adjustable wire detecting fixing ring, wherein the first end of the wire detecting body penetrates through the corresponding leading-out hole and is connected with the input end of the sensor unit, the second end of the wire detecting body extends towards the direction deviating from the shell, the second end of the wire detecting body is connected with the adjustable wire detecting fixing ring, and the wire detecting body, the adjustable wire detecting fixing ring and the shell are arranged on the same straight line.
3. The rock burst detection device of claim 2, wherein the wire body is a flexible steel wire, and the material of the wire body is 304 stainless steel.
4. The apparatus according to claim 2, further comprising: at least one displacement indicator disk, the displacement indicator disk with visit silk subassembly one-to-one is connected, the displacement indicator disk includes pointer, pointer seat and calibrated scale, the pointer is fixed in the pointer seat, the pointer seat passes the center round hole of calibrated scale with the first end of visiting silk body links to each other, the pointer seat is in axial rotation under the drive of visiting silk body.
5. The rock burst detecting device according to claim 1, wherein the sensor unit comprises a displacement sensor and/or a first vibration sensor, an input end of the displacement sensor is connected with the first end of the wire detecting component, an output end of the displacement sensor is connected with the first input end of the data processing unit, an input end of the first vibration sensor is connected with the first end of the wire detecting component, and an output end of the first vibration sensor is connected with the second input end of the data processing unit.
6. The apparatus according to claim 5, further comprising: at least one second vibration sensor, the second vibration sensor sets up in the casing, the output of second vibration sensor with data processing unit's third input links to each other, first vibration sensor's detection precision is superior to second vibration sensor's detection precision.
7. The apparatus according to claim 1, further comprising: the wireless communication unit is electrically connected with the data processing unit and is in wireless communication connection with the detection host, and the wireless communication unit is used for receiving the analog detection signal output by the data processing unit and sending the analog detection signal to the detection host.
8. The apparatus according to claim 1, further comprising: the low-voltage alarm device comprises a voltage detection module and a low-voltage alarm unit, wherein the input end of the voltage detection module is connected with the power supply unit, the output end of the voltage detection module is connected with the low-voltage alarm unit, the voltage detection module is used for detecting the power supply voltage of the power supply unit, and the low-voltage alarm unit is controlled to carry out low-voltage alarm signals when the power supply voltage is lower than a preset low-voltage threshold value.
9. The apparatus according to claim 1, further comprising: the alarm unit is arranged on the outer surface of the shell, the control end of the alarm unit and the output end of the data processing unit control the alarm unit to give an alarm if the data processing unit judges that the rock burst is detected, wherein the alarm unit comprises a buzzer and a warning lamp.
10. An intelligent rock burst monitoring system, comprising: the rock burst detection device, the detection host, the control center and the wireless communication network according to any one of claims 1 to 9,
the detection host is in wireless communication connection with the rock burst detection device and is used for receiving an analog detection signal sent by the rock burst detection device;
the detection host is connected with the control center through the wireless communication network.
11. The intelligent rock burst monitoring system of claim 10, wherein the detection host comprises: a main machine body, a main machine wireless communication unit, a main machine power supply voltage detection module and a main machine low voltage alarm unit which are arranged in the main machine body, a main machine power supply interface and a main machine network interface which are arranged on the surface of the main machine body,
the host wireless communication unit is in wireless communication connection with the wireless communication unit of the rock burst detection device, and is in communication connection with the wireless communication network through the host network interface;
the host power supply unit is connected with a power end of the host wireless communication unit and is connected with an external power supply through the host power interface;
the input end of the host power supply voltage detection module is connected with the host power supply unit, and the output end of the host power supply voltage detection module is connected with the host low-voltage alarm unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020482852.XU CN211577458U (en) | 2020-04-03 | 2020-04-03 | Rock burst detection device and rock burst intelligent monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020482852.XU CN211577458U (en) | 2020-04-03 | 2020-04-03 | Rock burst detection device and rock burst intelligent monitoring system |
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| Publication Number | Publication Date |
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| CN211577458U true CN211577458U (en) | 2020-09-25 |
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| CN202020482852.XU Expired - Fee Related CN211577458U (en) | 2020-04-03 | 2020-04-03 | Rock burst detection device and rock burst intelligent monitoring system |
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| Country | Link |
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