Mine safety early warning system

Abstract

The invention relates to the technical field of safety early warning, and discloses a mine safety early warning system which comprises a unit detector, the unit detector comprises a base body, a detection module is fixedly installed in the base body, a wire storage pipe and a detection pipe are fixedly installed on the surface of the base body, and a guide sliding sleeve is fixedly installed in the detection pipe. A first magnetic block is fixedly installed at one end of the guide sliding sleeve, a second magnetic block is installed at the other end of the guide sliding sleeve, and an adjusting sliding block and a variable resistance element are further arranged in the guide sliding sleeve. Unit detectors are arranged in monitoring areas of a mine, adjusting sliding blocks and variable resistance elements are arranged in the unit detectors, when the slope of the mine vibrates or inclines, the adjusting sliding blocks are caused to move, so that the resistance values of the variable resistance elements are changed, and the current changes of the variable resistance elements are detected; vibration and inclination variables of the mine slope are converted into monitoring electric signals, the monitoring electric signals are analyzed, and the safety early warning effect is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of safety warning, in particular to a mine safety warning system. BACKGROUND

[0002] The mine construction environment is complex, and the accident risk is high. By establishing a safety monitoring and warning system, various dangerous factors in the mine construction process can be monitored in real time, potential safety hazards can be found in time, and mine accidents can be prevented.

[0003] As in the prior art, the patent document with publication number CN117782226B discloses a mine safety warning system, which comprises: a slope scanning mechanism for real-time scanning of the slope change of the mine; a vibration sensing mechanism for sensing the slope vibration; an inner layer feedback mechanism for detecting the inner layer structure of the mine; a box is arranged on the slope scanning mechanism, a development board is arranged in the box, a unified analysis module and a control module are arranged on the development board, the unified analysis module is used to analyze the safety warning information by combining the slope change information obtained by the slope scanning mechanism, the slope vibration information obtained by the vibration sensing mechanism and the inner layer structure information obtained by the inner layer feedback mechanism. It can analyze the vibration of the mine slope, the internal structure of the slope and the appearance of the slope comprehensively, and provide more reliable safety warning information before the mine landslide.

[0004] Usually, various sensors need to be installed on site to sense and monitor the environmental data of the mine slope body, among which, a vibration sensor (or a vibration pickup) is mainly used to monitor the vibration data of the slope. Mine landslide is a process from quantitative change to qualitative change. In the early stage, the slope has small amplitude vibration and displacement. The existing vibration sensor can collect vibration data at different periods, but it cannot well collect slope angle change data, resulting in imperfect warning information, which needs to be solved urgently. SUMMARY

[0005] The purpose of the present application is to solve the problem in the prior art that the vibration sensor in the mine safety warning system can collect vibration data at different periods, but cannot well collect slope angle change data, resulting in imperfect warning information, and to propose a mine safety warning system.

[0006] In order to achieve the above object, the present application adopts the following technical scheme: A mine safety early warning system, comprising a unit detector, the unit detector comprising a base body, a detection module fixedly installed inside the base body, a wire storage tube and a detection tube fixedly installed on the surface of the base body, a signal cable arranged in the wire storage tube, a guide sliding sleeve fixedly installed in the detection tube, a first magnetic block fixedly installed at one end of the guide sliding sleeve, a second magnetic block with adjustable position installed at the other end of the guide sliding sleeve through an adjusting assembly, and an adjusting sliding block slidingly installed in the guide sliding sleeve and arranged between the first magnetic block and the second magnetic block.

[0007] The guide sliding sleeve is embedded with a variable resistance element, when the unit detector vibrates or tilts, the adjusting sliding block slides in the guide sliding sleeve to change the resistance value of the variable resistance element, the detection module is used for detecting real-time current data flowing through the variable resistance element, and then the measured current data is guided out through the signal cable, the detection data is guided into a current monitoring recorder in a control room through the signal cable, vibration and tilt variables of a mine slope surface are converted into monitoring electric signals, the monitoring electric signals are analyzed, and the effect of safety early warning is achieved.

[0008] Preferably, the number of the detection tubes is three, the three detection tubes and the wire storage tube are arranged on the surface of the base body at equal angles, the internal structures of the three detection tubes are the same, the adjusting sliding block is made of magnetic material, an electrically conductive ring is fixedly installed on the surface of the adjusting sliding block, the two ends of the adjusting sliding block are repelled by the first magnetic block and the second magnetic block, and the adjusting sliding block can reciprocally slide under the action of the magnetic repulsion force of the first magnetic block and the second magnetic block.

[0009] Preferably, the variable resistance element comprises an insulating electrode strip, a conductive electrode strip and a plurality of resistors, the insulating electrode strip and the conductive electrode strip are embedded in the inner wall of the guide sliding sleeve, the plurality of resistors are embedded in the outer wall of the guide sliding sleeve, one end of each resistor is electrically connected with the conductive circuit, and the other end of each resistor away from the conductive circuit is embedded in the surface of the insulating electrode strip; the conductive circuit and the conductive electrode strip are electrically connected with the detection module; when the adjusting sliding block slides in the guide sliding sleeve, the other end of each resistor away from the conductive circuit is conducted through the electrically conductive ring and the conductive electrode strip; the resistance values of the plurality of resistors increase or decrease in equal amounts along the length direction of the guide sliding sleeve, so that the function of changing the resistance value of the variable resistance element by sliding the adjusting sliding block is realized.

[0010] Preferably, the adjusting assembly comprises a first connecting sleeve and a connecting bolt, the connecting bolt is rotationally connected with the end of the detection tube, the threaded end of the connecting bolt is threadedly connected with the second magnetic block, and the first connecting sleeve is threadedly installed at the end of the detection tube, so that the distance between the first magnetic block and the second magnetic block is adjustable, and the stroke of the reciprocating movement of the adjusting sliding block can be adjusted according to actual monitoring needs.

[0011] Preferably, the adjusting assembly comprises a second connecting sleeve, a third connecting sleeve and a connecting rod, the second connecting sleeve is threadedly connected with the end of the detection tube, the connecting rod is movably arranged in the second connecting sleeve, one end of the connecting rod is threadedly connected with the second magnetic block, the other end of the connecting rod is fixedly connected with the third connecting sleeve, the third connecting sleeve is slidably arranged at the opening of the second connecting sleeve, the second connecting sleeve is provided with a reset spring which abuts against the third connecting sleeve and is compressed, so that the distance between the first magnetic block and the second magnetic block is reduced, and after the reset of the reset spring, the distance between the first magnetic block and the second magnetic block is reset, thereby automatically adjusting the relative position of the adjusting slider and the resistors.

[0012] Preferably, the end of the wire storage tube is threadedly provided with a fourth connecting sleeve, the end of the fourth connecting sleeve is clamped with a rubber plug, and the rubber plug is slidably connected with the surface of the signal cable, the signal cable is arranged in the wire storage tube in a spiral shape, and the end of the signal cable is electrically connected with the detection module in a plug-in manner.

[0013] The slope of the mine is divided into a plurality of monitoring areas, and a plurality of unit detectors are buried in each monitoring area, when the slope of the mine vibrates or tilts, the adjusting slider slides in the guide sleeve, different resistors are conducted through the conductive ring and the conductive electrode strip, so that the current value flowing through the variable resistance element changes, when the slope of the mine slides, the unit detector rolls down with the landslide, after the end of the signal cable is separated from the detection module, the current signal of the variable resistance element is lost, the position and the influence range of the accident can be judged through the number and the area of the signal loss, and reference data is provided for pre-warning and post-rescue.

[0014] The present application has the following beneficial effects:

[0015] 1. The mine safety warning system provided by the present application sets unit detectors in each monitoring area of the mine, the unit detector is provided with an adjusting slider and a variable resistance element, when the slope of the mine vibrates or tilts, the adjusting slider moves to change the resistance value of the variable resistance element, the vibration and the tilt variable of the slope of the mine are converted into monitoring electric signals, the monitoring electric signals are analyzed, and the effect of safety warning is achieved.

[0016] 2. Since the change of the slope angle of the mountain slope before the landslide is a slow process, the existing warning system only warns through monitoring vibration data, the unit detector designed in the present application can not only monitor the vibration data of the slope, but also monitor the data of the tilt change of the slope, can accurately reflect the slight change of the slope, make the warning information more perfect, and improve the accuracy, timeliness and availability of the warning system.

[0017] 3、The mine safety early warning system provided by the present application, the unit detector is arranged on the surface of the base body in a radial equal-angle structure formed by three detection tubes and a wire storage tube, so that the detection tube can be inserted into a rock joint or hole for fixation, or the unit detector can be buried in the ground as a whole to meet different monitoring requirements and improve installation convenience, and the three detection tubes are arranged in different directions to provide convenience for monitoring dynamic data from different directions of the ground.

[0018] In addition, a plurality of unit detectors are buried in the monitoring area of the mountain slope surface, when a landslide occurs on the slope surface, the unit detectors roll down with the landslide, the end of the signal cable is separated from the detection module, the current signal of the variable resistance element is lost, the number and area of the signal loss can be used to determine the location and influence range of the accident, and reference data is provided for early warning and post-rescue.

[0019] 4、The mine safety early warning system provided by the present application, the second connecting sleeve, the third connecting sleeve and the connecting rod are arranged at the end of the detection tube, the third connecting sleeve is driven by external force through the transmission of the connecting rod, so as to drive the second magnetic block to slide, change the activity range of the adjusting slider and the resistance value of the variable resistance element, the unit detector is buried in the ground of the slope surface as a whole, when the soil and rock of the slope surface layer slide, the downward pressure on the unit detector decreases, the monitoring electric signal of the unit detector changes, and in the case that the buried depth of the unit detector is known, the depth of the landslide of the slope surface can be inferred, so that the early warning system has the function of detecting the influence depth of the landslide. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a partial cutaway perspective structure schematic view of the embodiment one provided by the present application;

[0021] Figure 2 It is a front cutaway structure schematic view of the embodiment one provided by the present application;

[0022] Figure 3 It is a partial cutaway perspective structure schematic view of the embodiment two provided by the present application; Figure 2

[0023] Figure 4 It is a guide sliding sleeve perspective structure schematic view provided by the present application;

[0024] Figure 5 It is a circuit schematic view of the variable resistance element provided by the present application;

[0025] Figure 6 It is a partial cutaway perspective structure schematic view of the embodiment two provided by the present application;

[0026] Figure 7 It is a partial front cutaway structure schematic view of the embodiment two provided by the present application;

[0027] Figure 8 ​For detecting the inclination of the tube;

[0028] Figure 9 For the installation of the second embodiment of the present application;

[0029] Figure 10 For the current variation curve of the variable resistance element Figure 1 ;

[0030] Figure 11 For the current variation curve of the variable resistance element Figure 2 .

[0031] In the figure: 1, base body; 2, detection module; 3, wire storage tube; 4, detection tube; 5, signal cable; 6, guide sliding sleeve; 7, first magnetic block; 8, second magnetic block; 9, adjusting sliding block; 10, conductive ring; 11, insulating electrode strip; 12, conductive electrode strip; 13, resistor; 14, conductive circuit; 15, first connecting sleeve; 16, connecting bolt; 17, second connecting sleeve; 18, third connecting sleeve; 19, connecting rod; 20, reset spring; 21, fourth connecting sleeve; 22, rubber plug. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] Embodiment 1

[0035] Reference Figures 1-5The utility model provides a mine safety early warning system, including unit detector, unit detector includes base body 1, fixed mounting detection module 2 in the inside of base body 1, the surface of base body 1 is fixedly installed with line storage pipe 3 and detection pipe 4 respectively, signal cable 5 is arranged in the inside of line storage pipe 3, wherein, the end of line storage pipe 3 is screw mounted with fourth connecting sleeve 21, the end of fourth connecting sleeve 21 is clamped with rubber plug 22, and rubber plug 22 is slidably connected with the surface of signal cable 5, signal cable 5 is arranged in the inside of line storage pipe 3 in spiral shape, and the end of signal cable 5 is electrically connected with detection module 2 by the way of insertion, when signal cable 5 is pulled upwards, signal cable 5 can be stretched from the opening of line storage pipe 3, until the bottom end of signal cable 5 is pulled out from detection module 2.

[0036] Reference Figure 2 、 Figure 3 The utility model discloses a mine safety early warning system, including unit detector, unit detector includes base body 1, fixed mounting detection module 2 in the inside of base body 1, the surface of base body 1 is fixedly installed with line storage pipe 3 and detection pipe 4 respectively, signal cable 5 is arranged in the inside of line storage pipe 3, wherein, the end of line storage pipe 3 is screw mounted with fourth connecting sleeve 21, the end of fourth connecting sleeve 21 is clamped with rubber plug 22, and rubber plug 22 is slidably connected with the surface of signal cable 5, signal cable 5 is arranged in the inside of line storage pipe 3 in spiral shape, and the end of signal cable 5 is electrically connected with detection module 2 by the way of insertion, when signal cable 5 is pulled upwards, signal cable 5 can be stretched from the opening of line storage pipe 3, until the bottom end of signal cable 5 is pulled out from detection module 2.

[0037] The utility model discloses a mine safety early warning system, including unit detector, unit detector includes base body 1, fixed mounting detection module 2 in the inside of base body 1, the surface of base body 1 is fixedly installed with line storage pipe 3 and detection pipe 4 respectively, signal cable 5 is arranged in the inside of line storage pipe 3, wherein, the end of line storage pipe 3 is screw mounted with fourth connecting sleeve 21, the end of fourth connecting sleeve 21 is clamped with rubber plug 22, and rubber plug 22 is slidably connected with the surface of signal cable 5, signal cable 5 is arranged in the inside of line storage pipe 3 in spiral shape, and the end of signal cable 5 is electrically connected with detection module 2 by the way of insertion, when signal cable 5 is pulled upwards, signal cable 5 can be stretched from the opening of line storage pipe 3, until the bottom end of signal cable 5 is pulled out from detection module 2. Figure 4 The utility model discloses a mine safety early warning system, including unit detector, unit detector includes base body 1, fixed mounting detection module 2 in the inside of base body 1, the surface of base body 1 is fixedly installed with line storage pipe 3 and detection pipe 4 respectively, signal cable 5 is arranged in the inside of line storage pipe 3, wherein, the end of line storage pipe 3 is screw mounted with fourth connecting sleeve 21, the end of fourth connecting sleeve 21 is clamped with rubber plug 22, and rubber plug 22 is slidably connected with the surface of signal cable 5, signal cable 5 is arranged in the inside of line storage pipe 3 in spiral shape, and the end of signal cable 5 is electrically connected with detection module 2 by the way of insertion, when signal cable 5 is pulled upwards, signal cable 5 can be stretched from the opening of line storage pipe 3, until the bottom end of signal cable 5 is pulled out from detection module 2. Figure 5 The utility model discloses a mine safety early warning system, including unit detector, unit detector includes base body 1, fixed mounting detection module 2 in the inside of base body 1, the surface of base body 1 is fixedly installed with line storage pipe 3 and detection pipe 4 respectively, signal cable 5 is arranged in the inside of line storage pipe 3, wherein, the end of line storage pipe 3 is screw mounted with fourth connecting sleeve 21, the end of fourth connecting sleeve 21 is clamped with rubber plug 22, and rubber plug 22 is slidably connected with the surface of signal cable 5, signal cable 5 is arranged in the inside of line storage pipe 3 in spiral shape, and the end of signal cable 5 is electrically connected with detection module 2 by the way of insertion, when signal cable 5 is pulled upwards, signal cable 5 can be stretched from the opening of line storage pipe 3, until the bottom end of signal cable 5 is pulled out from detection module 2.

[0038] The utility model discloses a mine safety early warning system, including unit detector, unit detector includes base body 1, fixed mounting detection module 2 in the inside of base body 1, the surface of base body 1 is fixedly installed with line storage pipe 3 and detection pipe 4 respectively, signal cable 5 is arranged in the inside of line storage pipe 3, wherein, the end of line storage pipe 3 is screw mounted with fourth connecting sleeve 21, the end of fourth connecting sleeve 21 is clamped with rubber plug 22, and rubber plug 22 is slidably connected with the surface of signal cable 5, signal cable 5 is arranged in the inside of line storage pipe 3 in spiral shape, and the end of signal cable 5 is electrically connected with detection module 2 by the way of insertion, when signal cable 5 is pulled upwards, signal cable 5 can be stretched from the opening of line storage pipe 3, until the bottom end of signal cable 5 is pulled out from detection module 2. Figure 5 The utility model discloses a mine safety early warning system, including unit detector, unit detector includes base body 1, fixed mounting detection module 2 in the inside of base body 1, the surface of base body 1 is fixedly installed with line storage pipe 3 and detection pipe 4 respectively, signal cable 5 is arranged in the inside of line storage pipe 3, wherein, the end of line storage pipe 3 is screw mounted with fourth connecting sleeve 21, the end of fourth connecting sleeve 21 is clamped with rubber plug 22, and rubber plug 22 is slidably connected with the surface of signal cable 5, signal cable 5 is arranged in the inside of line storage pipe 3 in spiral shape, and the end of signal cable 5 is electrically connected with detection module 2 by the way of insertion, when signal cable 5 is pulled upwards, signal cable 5 can be stretched from the opening of line storage pipe 3, until the bottom end of signal cable 5 is pulled out from detection module 2.

[0039] In this embodiment, the number of detection tubes 4 is three, the three detection tubes 4 and one wire storage tube 3 are arranged radially at equal angles on the surface of the base body 1, the internal structures of the three detection tubes 4 are the same, wherein, referring to Figure 2 , the adjusting assembly comprises a first connecting sleeve 15 and a connecting bolt 16, the connecting bolt 16 is rotationally connected with the end of the detection tube 4, and the threaded end of the connecting bolt 16 is threadedly connected with the second magnetic block 8, and the first connecting sleeve 15 is threadedly installed on the end of the detection tube 4.

[0040] In use, the unit detector is buried on the slope surface of the mountain, when the slope surface of the mountain is vibrated or deformed under external force, the unit detector is vibrated or tilted, the adjusting sliding block 9 is slid in the guide sliding sleeve 6 to change the resistance value of the variable resistance element, the detection module 2 is used for detecting the real-time current data flowing through the variable resistance element, then the measured current data is guided out through the signal cable 5, and the detection data is guided into the current monitoring recorder in the control room through the signal cable 5.

[0041] Referring to Figure 5 , when the adjusting sliding block 9 is slid between R5 and R4, the current monitoring recorder draws a curve according to the current change of the variable resistance element, as shown in Figure 10 , the vibration of the unit detector is analyzed according to the amplitude of U / R4 and U / R5;

[0042] Referring to Figure 8 , when the slope surface is deformed to cause the unit detector to be tilted, before the tilt, the adjusting sliding block 9 is subjected to the force G1, after the tilt, the adjusting sliding block 9 is subjected to the force G2, G1>G2, therefore, after the unit detector is tilted, the magnetic repulsion F of the second magnetic block 8 to the adjusting sliding block 9 is unchanged, but G2 is reduced, the adjusting sliding block 9 is slid between R5 and R3, the amplitude of the current change curve of the variable resistance element is increased, as shown in Figure 11 , the tilt of the unit detector is analyzed according to the amplitude of U / R3 and U / R5.

[0043] The unit detector is arranged in a structure that the three detection tubes 4 and one wire storage tube 3 are arranged radially at equal angles on the surface of the base body 1, so that the detection tube 4 can be inserted into the rock joint or hole for fixation, or the unit detector is buried in the ground as a whole, different monitoring requirements are met, the installation is facilitated, the three detection tubes 4 are arranged in different directions, and the dynamic data from different directions of the ground is conveniently monitored.

[0044] The mine safety early warning system has the unit detector arranged in each monitoring area of the mine, the adjusting sliding block 9 and the variable resistance element are arranged in the unit detector, when the slope of the mine vibrates or inclines, the adjusting sliding block 9 moves to change the resistance value of the variable resistance element, the vibration and the inclination variable of the slope of the mine are converted into the monitoring electric signal by detecting the current change of the variable resistance element, the monitoring electric signal is analyzed, and the safety early warning effect is achieved.

[0045] Since the change of the inclination angle of the slope of the mountain is a slow process before the landslide of the slope of the mountain, the existing early warning system only performs early warning by monitoring the vibration data, the unit detector designed in the application can not only monitor the vibration data of the slope but also monitor the data of the inclination change of the slope, can accurately reflect the slight change of the slope, makes the early warning information more perfect, and improves the accuracy, timeliness and availability of the early warning system.

[0046] Embodiment 2

[0047] With reference to Figure 6 , Figure 7 Different from embodiment 1, the adjusting assembly comprises a second connecting sleeve 17, a third connecting sleeve 18 and a connecting rod 19, the second connecting sleeve 17 is threadedly connected with the end of the detection pipe 4, the connecting rod 19 is movably inserted into the second connecting sleeve 17, one end of the connecting rod 19 is threadedly connected with the second magnetic block 8, the other end of the connecting rod 19 is fixedly connected with the third connecting sleeve 18, the third connecting sleeve 18 is slidably sleeved with the mouth of the second connecting sleeve 17, and the second connecting sleeve 17 is provided with a reset spring 20 which abuts against the third connecting sleeve 18 outward.

[0048] In the use process, the slope of the mine is divided into a plurality of monitoring areas, and a plurality of unit detectors are buried in each monitoring area, when the slope of the mine vibrates or inclines, the adjusting sliding block 9 slides in the guide sliding sleeve 6, different resistors 13 are conducted through the conductive ring 10 and the conductive electrode strip 12, so that the current value flowing through the variable resistance element changes, when the slope of the mine landslides, the unit detector rolls down with the landslide, the end of the signal cable 5 is separated from the detection module 2, the current signal of the variable resistance element is lost, the position and the influence range of the accident can be judged through the number and the area of the signal loss, and reference data is provided for early warning and post-rescue.

[0049] In the use process, as shown in Figure 9 , the unit detector is buried in the ground of the slope in the whole, and the rock soil is covered on the upper side and presses the unit detector, as shown in Figure 7 , the reset spring 20 is compressed, the connecting rod 19 pushes the second magnetic block 8 to move upward, and as shown in Figure 5Under the magnetic force of the second magnetic block 8, the adjusting slider 9 moves close to the first magnetic block 7, so that the conductive ring 10 cannot contact the resistance 13 at R5, at this time, the current value of the variable resistance element cannot detect U / R5, when the rock and soil on the upper side of the unit detector falls, the downward pressure on the unit detector decreases, under the action of the reset spring 20, the second magnetic block 8 is pushed to move downward, the adjusting slider 9 moves away from the first magnetic block 7, so that the conductive ring 10 can contact the resistance 13 at R5, at this time, the current value of the variable resistance element will be able to detect U / R5, according to whether the current change curve of the variable resistance element shows the data of U / R5, the sliding condition of the rock and soil on the upper side of the unit detector is judged.

[0050] The second connecting sleeve 17, the third connecting sleeve 18 and the connecting rod 19 are arranged at the end of the detection tube 4, the third connecting sleeve 18 is driven by external force, and the second magnetic block 8 is driven to slide through the transmission of the connecting rod 19, so that the activity range of the adjusting slider 9 and the resistance value of the variable resistance element are changed, the unit detector is embedded in the slope surface underground, when the soil and rock on the slope surface slide, the downward pressure on the unit detector decreases, the change of the monitoring electric signal of the unit detector is caused, under the condition that the embedding depth of the unit detector is known, the depth of the slope surface landslide can be inferred, so that the early warning system has the function of detecting the influence depth of the landslide.

[0051] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mine safety warning system comprising a unit detector, characterised in that: The unit detector includes a base body (1), a detection module (2) is fixedly installed inside the base body (1), a wire storage tube (3) and a detection tube (4) are fixedly installed on the surface of the base body (1) respectively, a signal cable (5) is arranged in the wire storage tube (3), a guide sliding sleeve (6) is fixedly installed in the detection tube (4), a first magnetic block (7) is fixedly installed at one end of the guide sliding sleeve (6), a position-adjustable second magnetic block (8) is installed at the other end of the guide sliding sleeve (6) through an adjusting assembly, an adjusting sliding block (9) is slidably installed in the guide sliding sleeve (6) and is arranged between the first magnetic block (7) and the second magnetic block (8); The guide sliding sleeve (6) is embedded with a variable resistance element, when the unit detector vibrates or tilts, the adjusting sliding block (9) slides in the guide sliding sleeve (6), the resistance value of the variable resistance element is changed, the detection module (2) is used for detecting real-time current data flowing through the variable resistance element, and then the measured current data is guided out through the signal cable (5).

2. The mine safety warning system according to claim 1, characterized in that: The number of the detection tube (4) is three, the three detection tubes (4) and the wire storage tube (3) are arranged on the surface of the base body (1) at equal angles, and the internal structures of the three detection tubes (4) are the same.

3. The mine safety warning system of claim 2, wherein: The adjusting sliding block (9) is made of a magnetic material, a conductive ring (10) is fixedly installed on the surface of the adjusting sliding block (9), and the two ends of the adjusting sliding block (9) are repelled by the first magnetic block (7) and the second magnetic block (8) respectively.

4. The mine safety warning system of claim 3, wherein: The variable resistance element includes an insulating electrode strip (11), a conductive electrode strip (12) and a plurality of resistors (13), the insulating electrode strip (11) and the conductive electrode strip (12) are embedded in the inner wall of the guide sliding sleeve (6), the plurality of resistors (13) are embedded in the outer wall of the guide sliding sleeve (6), one end of each resistor (13) is electrically connected with a conductive circuit (14), and the other end of each resistor (13) away from the conductive circuit (14) is embedded on the surface of the insulating electrode strip (11); the conductive circuit (14) and the conductive electrode strip (12) are electrically connected with the detection module (2), when the adjusting sliding block (9) slides in the guide sliding sleeve (6), the other end of each resistor (13) away from the conductive circuit (14) is conducted through the conductive ring (10) and the conductive electrode strip (12) respectively.

5. A mine safety warning system as claimed in claim 4, wherein: The resistance values of the plurality of resistors (13) increase or decrease in equal amounts along the length direction of the guide sliding sleeve (6).

6. A mine safety warning system as claimed in claim 5, wherein: The adjusting assembly includes a first connecting sleeve (15) and a connecting bolt (16), the connecting bolt (16) is rotatably connected with the end of the detection tube (4), the threaded end of the connecting bolt (16) is threadedly connected with the second magnetic block (8), and the first connecting sleeve (15) is threadedly installed at the end of the detection tube (4).

7. A mine safety warning system as claimed in claim 5, wherein: The adjusting assembly comprises a second connecting sleeve (17), a third connecting sleeve (18) and a connecting rod (19), the second connecting sleeve (17) is threadedly connected with the end of the detecting tube (4), the connecting rod (19) is movably inserted into the second connecting sleeve (17), one end of the connecting rod (19) is threadedly connected with the second magnetic block (8), the other end of the connecting rod (19) is fixedly connected with the third connecting sleeve (18), the third connecting sleeve (18) is slidably sleeved with the mouth of the second connecting sleeve (17), and the second connecting sleeve (17) is provided with a reset spring (20) for tightly pressing the third connecting sleeve (18) outward.

8. A mine safety warning system as claimed in claim 6 or 7, characterised in that: The end of the wire storage tube (3) is threadedly provided with a fourth connecting sleeve (21), the end of the fourth connecting sleeve (21) is clamped with a rubber plug (22), the rubber plug (22) is slidably connected with the surface of the signal cable (5), the signal cable (5) is spirally arranged in the wire storage tube (3), and the end of the signal cable (5) is electrically connected with the detection module (2) in a plug-in mode.

9. A mine safety warning system as claimed in claim 8, characterised in that: The slope of the mine is divided into multiple monitoring areas, multiple unit detectors are buried in each monitoring area, when the slope of the mine vibrates or inclines, the adjusting sliding block (9) slides in the guide sliding sleeve (6), different resistors (13) are conducted through the conductive ring (10) and the conductive electrode strip (12), so that the current value flowing through the variable resistance element changes; when the slope of the mine occurs, the unit detector rolls down with the landslide, the end of the signal cable (5) is separated from the detection module (2), and the current signal of the variable resistance element is lost.

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