Coal mine seismic early warning monitor

Abstract

The present invention belongs to the technical field of seismic monitoring, and specifically relates to a coal mine seismic early warning monitor, comprising a monitor. A detection opening is provided on a surface of the monitor. The monitor is fixedly connected to a microprocessor. A dust-proof sealing assembly is provided on the surface of the monitor. A sliding protection assembly is provided in the dust-proof sealing assembly. An engagement assembly is provided on the sliding protection assembly. The dust-proof sealing assembly comprises a protective shell. In the coal mine seismic early warning monitor, by means of the provided dust-proof sealing assembly, a sealing protection mechanism can be automatically started when a seismic event occurs. Vibration generated by the seismic event causes a pressing block that protrudes first to be automatically triggered, ensuring that in an emergency situation of a sudden seismic event, the monitor can be quickly protected. Sealing of the monitor is achieved by means of the expansion of an inflatable airbag, greatly reducing the chance of impurities such as dust entering the interior of the monitor, thereby ensuring the stability of the performance of the monitor and prolonging the service life of the monitor.

Description

A coal mine earthquake early warning monitoring instrument Technical Field

[0001] This invention relates to the field of earthquake monitoring technology, specifically to a coal mine earthquake early warning monitoring instrument. Background Technology

[0002] Earthquake early warning monitoring instruments monitor seismic activity in coal mines in real time, including parameters such as the intensity, frequency, and duration of seismic waves. They can promptly detect even minute seismic signals, providing fundamental data for earthquake early warning. High-precision sensors, such as seismic sensors and stress sensors, capture various physical signal changes generated by crustal movement, thereby accurately determining the occurrence and development trend of earthquakes.

[0003] Currently, existing technologies rely solely on simple sealing rings or caps for dustproof sealing. In the event of strong vibrations such as earthquakes, these sealing methods may easily fail, allowing dust and other impurities to enter. Existing protective devices cannot respond quickly and complete protection immediately after an earthquake occurs, and may be prone to loosening or displacement under vibration, potentially leading to poor protective effects. Dust and other impurities may still have the opportunity to enter the detection port, affecting the reliability and stability of the monitoring instrument. In view of this, we propose a coal mine earthquake early warning monitoring instrument. Summary of the Invention

[0004] The main objective of this invention is to provide a coal mine earthquake early warning and monitoring instrument that can solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention proposes a coal mine earthquake early warning monitoring instrument, comprising a monitoring instrument, a detection port on the surface of the monitoring instrument, an infrared sensor inside the monitoring instrument, a signal amplifier on the outer wall of the monitoring instrument, the monitoring instrument being fixedly connected to a microprocessor, a bracket on the outer wall of the monitoring instrument, a dustproof sealing assembly on the surface of the monitoring instrument, a sliding protective assembly inside the dustproof sealing assembly, and a snap-fit ​​assembly on the sliding protective assembly. The dustproof sealing assembly includes:

[0006] A protective shell is fixedly connected to the outer wall of the monitor. The surface of the protective shell is provided with a clearance groove and a through hole. A sliding rod is slidably connected in the through hole. The sliding rod is slidably connected in a round hole in the fixed plate.

[0007] Spring 1; the fixed plate is fixedly connected to the protective shell; the fixed plate is elastically connected to the extrusion block through spring 1; the extrusion block is fixedly connected to the sliding rod; and a movable groove is provided in the circular hole.

[0008] An inclined block is slidably connected to the movable groove, the inclined block is fixedly connected to the trapezoidal block, and the trapezoidal block is elastically connected to the movable groove through a spring.

[0009] The limiting hole is connected to the movable groove. A rotating wheel is rotatably connected to the trapezoidal block. The rotating wheel is rotatably connected to the lifting rod. An inflatable airbag is fixedly connected to the inner wall of the protective shell.

[0010] Preferably, the sliding protective assembly includes a sensor, and the sensor is fixedly connected to the inner wall of the protective shell.

[0011] Preferably, the sensor is electrically connected to the motor, and the output shaft of the motor is fixedly connected to the transmission wheel. After the inflatable airbag expands, the sensor detects the increase or decrease in local air pressure caused by the expansion of the inflatable airbag inside the monitoring instrument, and sends an electrical signal to the motor to start the motor.

[0012] Preferably, the first transmission wheel is connected to the second transmission wheel via a transmission belt, and both the first and second transmission wheels are fixedly connected to a rotating disk. The output shaft of the motor drives the first transmission wheel to rotate, and the first transmission wheel transmits power to the second transmission wheel via the transmission belt, so that the second transmission wheel rotates synchronously, and the rotating disk also rotates accordingly.

[0013] Preferably, the rotating disk is rotatably connected to a connecting plate, and a protective plate is rotatably connected to the end of the connecting plate away from the rotating disk. When the rotating disk rotates, it drives the connecting plate to move.

[0014] Preferably, the protective plate is slidably connected in the relief groove, and there are two sets of the protective plate. Driven by the connecting plate, the two sets of protective plates slide towards each other along the relief groove, gradually covering the detection port of the monitor, thereby protecting the detection port.

[0015] Preferably, the snap-fit ​​assembly includes a protrusion, and the outer wall of the protective plate is fixedly connected to the protrusion.

[0016] Preferably, an extension plate is fixedly connected to the surface of the detection port, and an auxiliary groove is provided on the surface of the extension plate. The protrusions of the protective plate will gradually approach the auxiliary groove on the extension plate as the protective plate moves.

[0017] Preferably, an elastic block is fixedly connected in the auxiliary groove, and a spring is fixedly connected to the inner wall of the elastic block. When no external force is applied, the elastic block is in a naturally extended state under the elastic force of the spring and partially extends out of the auxiliary groove to form a blocking structure.

[0018] Preferably, the snap-fit ​​assembly is provided in multiple sets. Multi-point snap-fit ​​can make the protective plate more firmly fixed in the protective position, disperse the effect of external force on a single snap-fit ​​point, and further enhance the stability of the protective plate. Even under strong vibration, it can effectively prevent the protective plate from loosening or falling off, and ensure continuous and effective protection of the detection port.

[0019] This invention provides a coal mine earthquake early warning and monitoring instrument. It has the following beneficial effects:

[0020] (1) The coal mine earthquake early warning monitoring instrument has a dustproof sealing component that can automatically activate the sealing protection mechanism when an earthquake occurs. When the vibration generated by the earthquake causes the first protruding squeezing block to be automatically triggered, the monitoring instrument can be quickly protected in the emergency situation of a sudden earthquake. The instrument is sealed by the expansion of the air bladder, which greatly reduces the chance of dust and other impurities entering the instrument, thereby ensuring the stable performance of the monitoring instrument and extending its service life.

[0021] (2) The coal mine earthquake early warning monitoring instrument, through the sliding protection component, can automatically complete the protection of the detection port after the earthquake by relying on the trigger of the sensor without manual intervention. It can respond to earthquake disasters at the first time, protect the key parts of the monitoring instrument in a timely manner, and prevent dust, debris and other impurities from entering the detection port and affecting the normal operation of the monitoring instrument, thereby improving the reliability and stability of the monitoring instrument in harsh environments.

[0022] (3) The coal mine earthquake early warning monitoring instrument has a snap-fit ​​component that can automatically lock after the protective plate is slid into place without additional operation. This ensures that the protective plate can be stably kept in the protective position under vibration environment such as earthquakes, effectively preventing the detection port from being exposed to the outside, avoiding dust, debris and other objects from entering the detection port and affecting the normal operation of the monitoring instrument, effectively preventing the protective plate from loosening or falling off, and ensuring continuous and effective protection of the detection port. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 is a schematic diagram of the overall three-dimensional structure of the present invention;

[0025] Figure 2 is a schematic diagram of the overall three-dimensional exploded structure of the present invention;

[0026] Figure 3 is a schematic cross-sectional view of the protective shell structure of the present invention.

[0027] Figure 4 is a schematic cross-sectional view of the protective shell structure of the present invention (II).

[0028] Figure 5 is a schematic cross-sectional view of the protective shell structure of the present invention.

[0029] Figure 6 is a schematic diagram of the exploded structure of the dustproof sealing assembly of the present invention;

[0030] Figure 7 is a schematic cross-sectional view of the fixing plate of the present invention;

[0031] Figure 8 is a schematic diagram of the partial structure of the sliding protection component of the present invention;

[0032] Figure 9 is a schematic diagram of structure A in Figure 8 of the present invention;

[0033] Figure 10 is a schematic diagram of the monitoring instrument of the present invention;

[0034] Figure 11 is a schematic diagram of structure B in Figure 10 of the present invention.

[0035] Reference numerals: 1. Monitor; 101. Detection port; 2. Infrared sensor; 3. Signal amplifier; 4. Microprocessor; 5. Bracket; 6. Dustproof sealing assembly; 61. Protective shell; 601. Clearance groove; 62. Through hole; 63. Fixing plate; 603. Round hole; 64. Sliding rod; 65. Spring 1; 66. Extrusion block; 67. Movable groove; 68. Inclined block; 69. Trapezoidal block; 610. Limiting hole; 611. Spring 2; 612. Rotating wheel; 613. Lifting rod; 614. Inflatable airbag; 7. Sliding protective assembly; 71. Sensor; 72. Motor; 73. Transmission wheel 1; 74. Transmission belt; 75. Transmission wheel 2; 76. Rotating disk; 77. Connecting plate; 78. Protective plate; 8. Snap-fit ​​assembly; 81. Protrusion; 82. Extension plate; 83. Auxiliary groove; 84. Elastic block; 85. Spring 3.

[0036] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please refer to Figures 1-11. This invention proposes a coal mine earthquake early warning monitoring instrument, including a monitoring instrument 1. The surface of the monitoring instrument 1 has a detection port 101. An infrared sensor 2 is installed inside the monitoring instrument 1. Before an earthquake occurs, changes in crustal stress may cause changes in local temperature. The infrared sensor 2 can capture such changes, providing important data support for earthquake early warning. A signal amplifier 3 is installed on the outer wall of the monitoring instrument 1. The signal amplifier 3 amplifies the signal output by the infrared sensor 2, enhances its strength and stability, improves the signal-to-noise ratio, and reduces noise interference with the measurement results. The monitoring instrument 1 is fixedly connected to a microprocessor 4. The microprocessor 4 processes, analyzes, and calculates the collected data in real time, and determines whether an earthquake has occurred based on a preset algorithm and threshold. A bracket 5 is installed on the outer wall of the monitoring instrument 1. A dustproof sealing component 6 is installed on the surface of the monitoring instrument 1. A sliding protective component 7 is installed inside the dustproof sealing component 6. A snap-fit ​​component 8 is installed on the sliding protective component 7. The dustproof sealing component 6 includes a protective shell 61.

[0039] In an embodiment of the present invention, in order to ensure the stable performance of the monitor 1 and extend its service life, a protective shell 61 is fixedly connected to the outer wall of the monitor 1. The surface of the protective shell 61 is provided with a relief groove 601 and a through hole 62. A sliding rod 64 is slidably connected in the through hole 62. The sliding rod 64 is slidably connected in the circular hole 603 of the fixed plate 63. The fixed plate 63 is fixedly connected to the protective shell 61. The fixed plate 63 is elastically connected to the extrusion block 66 through a spring 65. The extrusion block 66 is fixedly connected to the sliding rod 64. A movable groove 67 is provided in the circular hole 603. When an earthquake occurs in the coal mine, the extrusion block 66 is the first to be extruded. The extrusion block 66 drives the sliding rod 64 to slide downward toward the fixed plate 63. An inclined block 68 is slidably connected to the movable groove 67. The inclined block 68 is fixedly connected to the trapezoidal block 69. The trapezoidal block 69 is elastically connected to the movable groove 67 through a spring 611. The sliding rod 64 slides into the circular hole 603 of the fixed plate 63, and the extrusion block 64 is extruded into the protective shell 61. The inclined block 68 contracts inward, causing the fixed trapezoidal block 69 to contract synchronously. The movable groove 67 is connected to the limiting hole 610. A rotating wheel 612 is rotatably connected to the trapezoidal block 69, and the rotating wheel 612 is rotatably connected to the lifting rod 613. An inflatable airbag 614 is fixedly connected to the inner wall of the protective shell 61. The sliding connection of the trapezoidal block 69 causes the rotating wheel 612 to gradually rise. Under the limitation of the limiting hole 610, the lifting rod 613 gradually rises towards the inner wall of the protective shell 61, squeezing the inflatable airbag 614. After the inflatable airbag 614 expands, it can squeeze and seal some gaps and channels. It can automatically activate the sealing protection mechanism when an earthquake occurs. When the vibration generated by the earthquake causes the first protruding squeezing block 66 to automatically trigger, the monitoring instrument 1 can be quickly protected in the emergency of a sudden earthquake. The expansion of the inflatable airbag 614 achieves the sealing of the monitoring instrument 1, reducing the chance of dust and other impurities entering the monitoring instrument 1.

[0040] In an embodiment of the present invention, in order to protect the critical parts of the monitor 1 and improve the reliability and stability of the monitor 1, the sliding protective assembly 7 includes a sensor 71. The sensor 71 is fixedly connected to the inner wall of the protective shell 61. The sensor 71 is electrically connected to the motor 72. The output shaft of the motor 72 is fixedly connected to the first transmission wheel 73. After the inflatable airbag 614 expands, the sensor 71 detects the increase or decrease in local air pressure inside the monitor 1 caused by the expansion of the inflatable airbag 614, and sends an electrical signal to the motor 72, thereby turning on the motor 72. The first transmission wheel 73 is connected to the second transmission wheel 75 through a transmission belt 74, and both the first transmission wheel 73 and the second transmission wheel 75 are fixedly connected to... The output shaft of the rotating disk 76 and the motor 72 drives the first transmission wheel 73 to rotate. The first transmission wheel 73 transmits power to the second transmission wheel 75 through the transmission belt 74, causing the second transmission wheel 75 to rotate synchronously. The rotating disk 76 also rotates accordingly. The rotating disk 76 is rotatably connected to the connecting plate 77, and the end of the connecting plate 77 away from the rotating disk 76 is rotatably connected to the protective plate 78. When the rotating disk 76 rotates, it drives the connecting plate 77 to move. The protective plate 78 is slidably connected in the relief groove 601, and there are two sets of protective plates 78. Driven by the connecting plate 77, the two sets of protective plates 78 slide towards each other along the relief groove 601, gradually covering the detection port 101 of the monitoring instrument 1, thereby protecting the detection port 101.

[0041] In an embodiment of the present invention, in order to ensure continuous and effective protection of the detection port 101, the snap-fit ​​assembly 8 includes a protrusion 81. The outer wall of the protective plate 78 is fixedly connected to the protrusion 81, and the surface of the detection port 101 is fixedly connected to an extension plate 82. An auxiliary groove 83 is formed on the surface of the extension plate 82. The protrusion 81 of the protective plate 78 will gradually approach the auxiliary groove 83 on the extension plate 82 as the protective plate 78 moves. An elastic block 84 is fixedly connected in the auxiliary groove 83, and a spring 85 is fixedly connected to the inner wall of the elastic block 84. When no external force is applied, the elastic block 84 is held in place by the spring 85. Under the elastic force of spring 5, it is in a naturally extended state and partially extends out of the auxiliary groove 83 to form a blocking structure. When the protrusion 81 contacts the elastic block 84, it will squeeze the elastic block 84 and make it contract into the auxiliary groove 83. At the same time, the spring 3 85 is compressed and stores elastic potential energy. Multiple sets of snap-fit ​​components 8 are provided. As the protective plate 78 continues to slide, the protrusion 81 will pass the blocking position of the elastic block 84. The elastic block 84 returns to its original shape under the elastic force of the spring 3 85 and snaps the protrusion 81. Multiple sets of snap-fit ​​components 8 are provided and are evenly distributed at the contact position between the protective plate 78 and the extension plate 82. Multi-point locking makes the protective plate 78 more securely fixed in the protective position, dispersing the effect of external force on a single locking point, further enhancing the stability of the protective plate 78. Even under strong vibration, it can effectively prevent the protective plate 78 from loosening or falling off, ensuring continuous and effective protection of the detection port 101. The locking component 8 can automatically lock after the protective plate 78 slides into place without additional operation, ensuring that the protective plate 78 can be stably maintained in the protective position under vibration environments such as earthquakes, effectively preventing the detection port 101 from being exposed to the outside, avoiding dust, debris, etc. from entering the detection port 101 and affecting the normal operation of the monitoring instrument 1, effectively preventing the protective plate 78 from loosening or falling off, and ensuring continuous and effective protection of the detection port 101.

[0042] In this invention, during use, when an earthquake occurs in a coal mine, the protruding extrusion block 66 is squeezed first. The extrusion block 66 drives the sliding rod 64 to slide downwards towards the fixed plate 63. The sliding rod 64 slides into the circular hole 603 of the fixed plate 63, squeezing the inclined block 68. The inclined block 68 then contracts inwards, causing the fixedly connected trapezoidal block 69 to contract synchronously. The sliding connection of the trapezoidal block 69 causes the rotating wheel 612 to gradually rise. Under the limit of the limiting hole 610, the lifting rod 613 gradually moves towards the inner wall of the protective shell 61. The airbag 614 inflates and compresses the airbag 614. After inflation, the airbag 614 can compress and seal gaps and channels, reducing the chance of dust and other impurities entering the monitor 1, thus ensuring the stable performance of the monitor 1 and extending its service life. After the airbag 614 inflates, the sensor 71 detects the increase or decrease in local air pressure inside the monitor 1 caused by the inflation of the airbag 614, and sends an electrical signal to the motor 72, thereby turning on the motor 72. The output shaft of the motor 72 drives the first transmission wheel 73 to rotate. The first transmission wheel 73 transmits power to the second transmission wheel 75 through the transmission belt 74, causing the second transmission wheel 75 to rotate synchronously. The rotating disk 76 also rotates accordingly. When the rotating disk 76 rotates, it drives the connecting plate 77 to move. Under the drive of the connecting plate 77, the two sets of protective plates 78 slide towards each other along the relief groove 601, enabling immediate response to earthquake disasters and timely protection of the key parts of the monitor 1, covering the detection port 101 of the monitor 1, thus protecting the detection port 101. When the protrusion 81 contacts the elastic block 84, it will squeeze the elastic block 84, causing it to contract into the auxiliary groove 83. At the same time, the spring 85 is compressed and stores elastic potential energy. As the protective plate 78 continues to slide, the protrusion 81 will pass the blocking position of the elastic block 84. Under the elastic force of the spring 85, the elastic block 84 returns to its original shape and locks the protrusion 81, thereby fixing the protective plate 78 in the protective position and preventing it from sliding accidentally due to vibration or other reasons, thus ensuring stable protection of the detection port 101.

[0043] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A coal mine earthquake early warning monitoring instrument, comprising a monitoring instrument (1), characterized in that: The surface of the monitor (1) is provided with a detection port (101), the monitor (1) is provided with an infrared sensor (2) inside, the outer wall of the monitor (1) is provided with a signal amplifier (3), the monitor (1) is fixedly connected to a microprocessor (4), the outer wall of the monitor (1) is provided with a bracket (5), the surface of the monitor (1) is provided with a dustproof sealing assembly (6), the dustproof sealing assembly (6) is provided with a sliding protective assembly (7), the sliding protective assembly (7) is provided with a snap-fit ​​assembly (8), and the dustproof sealing assembly (6) includes: A protective shell (61) is fixedly connected to the outer wall of the monitor (1). The protective shell (61) has a relief groove (601) and a through hole (62) on its surface. A sliding rod (64) is slidably connected in the through hole (62). The sliding rod (64) is slidably connected in the round hole (603) of the fixed plate (63). Spring 1 (65), the fixing plate (63) is fixedly connected to the protective shell (61), the fixing plate (63) is elastically connected to the pressing block (66) through spring 1 (65), the pressing block (66) is fixedly connected to the sliding rod (64), and the circular hole (603) is provided with a movable groove (67); Inclined block (68), the movable groove (67) is slidably connected to the inclined block (68), the inclined block (68) is fixedly connected to the trapezoidal block (69), and the trapezoidal block (69) is elastically connected to the movable groove (67) through spring two (611); The limiting hole (610) is connected to the movable groove (67). A rotating wheel (612) is rotatably connected to the trapezoidal block (69). The rotating wheel (612) is rotatably connected to the lifting rod (613). An inflatable airbag (614) is fixedly connected to the inner wall of the protective shell (61).

2. The coal mine earthquake early warning monitoring instrument according to claim 1, characterized in that: The sliding protective assembly (7) includes a sensor (71), and the sensor (71) is fixedly connected to the inner wall of the protective shell (61).

3. The coal mine earthquake early warning monitoring instrument according to claim 2, characterized in that: The sensor (71) is electrically connected to the motor (72), and the output shaft of the motor (72) is fixedly connected to the transmission wheel (73).

4. A coal mine earthquake early warning monitoring instrument according to claim 3, characterized in that: The first transmission wheel (73) is connected to the second transmission wheel (75) via a transmission belt (74), and both the first transmission wheel (73) and the second transmission wheel (75) are fixedly connected to a rotating disk (76).

5. A coal mine earthquake early warning monitoring instrument according to claim 4, characterized in that: The rotating disk (76) is rotatably connected to a connecting plate (77), and a protective plate (78) is rotatably connected to the end of the connecting plate (77) away from the rotating disk (76).

6. A coal mine earthquake early warning monitoring instrument according to claim 5, characterized in that: The protective plate (78) is slidably connected in the relief groove (601), and the protective plate (78) is provided in two sets.

7. A coal mine earthquake early warning monitoring instrument according to claim 6, characterized in that: The snap-fit ​​assembly (8) includes a protrusion (81), and the outer wall of the protective plate (78) is fixedly connected to the protrusion (81).

8. A coal mine earthquake early warning monitoring instrument according to claim 7, characterized in that: An extension plate (82) is fixedly connected to the surface of the detection port (101), and an auxiliary groove (83) is provided on the surface of the extension plate (82).

9. A coal mine earthquake early warning monitoring instrument according to claim 8, characterized in that: An elastic block (84) is fixedly connected in the auxiliary groove (83), and a spring (85) is fixedly connected to the inner wall of the elastic block (84).

10. A coal mine earthquake early warning monitoring instrument according to claim 9, characterized in that: The card connector (8) has multiple sets.

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