Mine fire bundle pipe monitoring system

Abstract

The present invention discloses a mine fire bundle pipe monitoring system, which relates to the field of gas extraction and detection technology in mines, including a detection box, one end of which is fixedly connected to an exhaust pipe, and the other end of which is fixedly connected to an exhaust pipe. A laser gas analysis device is installed inside the detection box, and the detection mechanism and the filtering mechanism are also included. The present invention sets a detection mechanism, and the motor drives the displacement block to move. The displacement block contacts the push block and opens the exhaust pipe. At this time, the fan is started, and the gas enters the detection box through the exhaust port and the exhaust pipe, and is then discharged through the exhaust pipe. At this time, the laser gas analysis device detects the gas in the detection box. After the gas detection at one exhaust port position is completed, the displacement block is moved to the top of the next exhaust pipe, and the next exhaust pipe is opened to extract new gas into the detection box for detection. This design can facilitate the sampling and detection of gas at multiple points in the mine.

Description

Technical Field

[0001] The present invention relates to the technical field of gas extraction and detection in mines, in particular to a mine fire bundle pipe monitoring system. Background Art

[0002] Fire detection systems are required in underground coal mines, including main air intake and return lanes, working face air intake and return lanes, coal bunkers, and other locations requiring liquid or gas line opening and closing. These systems monitor fire conditions and promptly extinguish them at their initial stages. This process requires multi-point sampling of underground gas. However, this requires the use of multiple laser analysis sensors to detect multiple gases. This requires a large number of these sensors for multi-point detection, resulting in high costs and complex maintenance. Furthermore, underground gas contains a large amount of dust, which can easily affect the detection of laser analysis sensors.

[0003] In order to facilitate gas detection at multiple locations in a mine, a mine fire bundle pipe monitoring system is provided. Summary of the Invention

[0004] The purpose of the present invention is to provide a mine fire bundle pipe monitoring system in order to facilitate gas detection at multiple locations in a mine.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a mine fire bundle pipe monitoring system, comprising a detection box, one end of which is fixedly connected to an exhaust pipe, the other end of which is fixedly connected to an exhaust pipe, a fan being installed on the outer wall of the exhaust pipe, one end of the exhaust pipe being fixedly connected to an exhaust port, the front ends of the exhaust pipes being respectively arranged in sampling areas under each mine, a laser gas analysis device being installed inside the detection box, gas being extracted into the detection box through a detection mechanism, and the gas entering the detection box being filtered by a filtering mechanism;

[0006] The detection mechanism includes a top cover, which is rotatably connected to the top end of the detection box, and the top end of the detection box is located on one side of the top cover and is rotatably connected to a positioning block, the connection position of the exhaust pipe and the detection box is fixedly connected to a connecting seat, the interior of the connecting seat is slidably connected to a blocking frame extending from the connecting seat, a first spring is connected between the blocking frame and the connecting seat, the outer wall of the blocking frame is fixedly connected to a pushing block, and the pushing block extends to the interior of the detection box, and a motor is installed on one side of the detection box, the output end of the motor is connected to a threaded rod, the outer wall of the threaded rod is slidably connected to a displacement block, and the displacement block contacts the inner wall of the detection box.

[0007] As a further solution of the present invention: the filtering mechanism includes a collecting box, which is arranged at the bottom end of the detection box, and the bottom end of the inner wall of the detection box is fixedly connected to a fixed plate, and the interior of the fixed plate is slidably connected to a movable frame that passes through the fixed plate, and a second spring is connected between the movable frame and the fixed plate, one end of the movable frame is fixedly connected to a mounting plate, and a filter plate is arranged on the top of the mounting plate, and the bottom end of the filter plate is fixedly connected to an insertion rod, and a slot is provided at the top of the mounting plate.

[0008] The transmission mechanism is a pair of fixedly mounted on two opposite sides of the vehicle frame, wherein the fixedly mounted on-board gear is pivotally connected to the frame by a bolt, and the bolt has a round shank to contact with the frame, the fixedly mounted on-board gear is pivotally connected to the frame by a bolt, and the bolt has a round shank to contact with the frame.

[0009] As a further solution of the present invention: a threaded hole is provided on the outer wall of the displacement block, and the threaded hole matches the threaded rod.

[0010] As a further solution of the present invention: the bottom end of the pushing block is located in the inner cavity of the detection box, and the bottom end of the pushing block is provided with a triangular surface.

[0011] As a further solution of the present invention, the outer wall of the insertion rod is in contact with the inner wall of the slot.

[0012] As a further solution of the present invention: a connecting hole is provided on the outer wall of the displacement frame, and a ball matching the screw rod is provided on the inner wall of the connecting hole.

[0013] As a further solution of the present invention: the bottom end of the detection box is fixedly connected to a collection port, and the collection box is installed on the outer wall of the collection port by bolts.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention sets up a detection mechanism. The motor drives the displacement block to move. The displacement block contacts the push block and opens the exhaust pipe. At this time, the fan is started, and the gas enters the detection box through the exhaust port and the exhaust pipe, and is then discharged through the exhaust pipe. At this time, the laser gas analysis device detects the gas in the detection box. After the gas detection at one exhaust port position is completed, the displacement block is moved to the top of the next exhaust pipe, and the next exhaust pipe is opened to draw new gas into the detection box for detection. This design can facilitate sampling and detection operations of gases at multiple points in the mine.

[0016] 2. By setting up a filtering mechanism, the filter plate filters the air entering the detection box. When the detection is completed, the displacement block is reset. The displacement block contacts the displacement frame, pushing the displacement frame to move. The rotation of the rotating block drives the protrusion to move in a circular manner. The displacement of the protrusion is intermittently contacted with the mounting plate, pushing the mounting plate to move and vibrate. The rotation of the mounting plate drives the filter plate to vibrate. The dust adhered to the filter plate falls due to the vibration and enters the collection box for collection. This design can prevent dust in the air from affecting the detection of the laser gas analysis device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the connection structure of the exhaust pipe, the detection box and the fan of the present invention;

[0019] Figure 3 This is a schematic diagram of the internal structure of the connecting base of the present invention;

[0020] Figure 4 Schematic diagram of the installation of the threaded rod of the present invention;

[0021] Figure 5 Schematic diagram of the internal structure of the detection box of the present invention;

[0022] Figure 6 Schematic diagram of the installation of the filter plate of the present invention;

[0023] Figure 7 This is a schematic diagram of the installation of the displacement rack of the present invention;

[0024] Figure 8 It is a structural schematic diagram of the displacement frame of the present invention;

[0025] Figure 9 Schematic diagram of the internal structure of the rotating column of the present invention.

[0026] In the figure: 1. Detection box; 2. Exhaust pipe; 3. Fan; 4. Exhaust pipe; 5. Exhaust port; 6. Mine sampling area; 7. Laser gas analysis device; 8. Detection mechanism; 801. Top cover; 802. Connecting seat; 803. Shielding frame; 804. First spring; 805. Push block; 806. Motor; 807. Threaded rod; 808. Displacement block; 809. Positioning block; 9. Filter mechanism; 901. Collection box; 90 2. Fixed plate; 903. Movable frame; 904. Second spring; 905. Mounting plate; 906. Filter plate; 907. Insert rod; 908. Slot; 909. Bump; 910. Rotating block; 911. Connecting shaft; 912. Rotating cylinder; 913. Push plate; 914. Fixed frame; 915. Displacement frame; 916. Third spring; 917. Screw rod; 918. Rotating column; 919. Block; 920. Fourth spring. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected, detachably connected, or connected in one piece; they can be mechanically connected or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following describes an embodiment of the present invention based on its overall structure.

[0029] See also Figures 1 to 9In the embodiment of the present invention, the mine fire bundle pipe monitoring system includes a detection box 1, one end of the detection box 1 is fixedly connected to an exhaust pipe 4, the other end of the detection box 1 is fixedly connected to an exhaust pipe 2, the outer wall of the exhaust pipe 2 is installed with a fan 3, one end of the exhaust pipe 4 is fixedly connected to an exhaust port 5, the front end of the exhaust pipe 4 is respectively arranged in a sampling area 6 under each mine, a laser gas analysis device 7 is installed inside the detection box 1, the gas is extracted into the detection box 1 through a detection mechanism 8, and the gas entering the detection box 1 is filtered through a filtering mechanism 9. The detection mechanism 8 includes a top cover 801, which is rotatably connected to the top of the detection box 1. The top of the detection box 1 The end is located on one side of the top cover 801 and is rotatably connected to a positioning block 809. The connection position of the exhaust pipe 4 and the detection box 1 is fixedly connected to a connecting seat 802. The interior of the connecting seat 802 is slidably connected to a blocking frame 803 extending from the connecting seat 802. A first spring 804 is connected between the blocking frame 803 and the connecting seat 802. The outer wall of the blocking frame 803 is fixedly connected to a pushing block 805. The pushing block 805 extends to the interior of the detection box 1. A motor 806 is installed on one side of the detection box 1. The output end of the motor 806 is connected to a threaded rod 807. The outer wall of the threaded rod 807 is slidably connected to a displacement block 808. The displacement block 808 is in contact with the inner wall of the detection box 1.

[0030] In this embodiment, when the mine is inspected, the motor 806 is started, and the motor 806 drives the threaded rod 807 to rotate, and the threaded rod 807 rotates to drive the displacement block 808 to move, and the displacement block 808 moves to the top of an exhaust pipe 4, and the displacement block 808 contacts the push block 805, pushing the push block 805 to move, and the displacement of the push block 805 drives the shielding frame 803 to move, causing the first spring 804 to stretch, and the shielding frame 803 moves to open the exhaust pipe 4, and the fan 3 is started at this time, and the fan 3 runs to make the gas pass through the corresponding opened exhaust port 5 The laser gas analyzer 7 detects the gas in the detection box 1 through the exhaust pipe 4. After the gas detection at one exhaust port 5 is completed, the displacement block 808 is moved to the top of the next exhaust pipe 4. At this time, the shielding frame 803 on the previous exhaust pipe 4 is displaced by the elastic force of the first spring 804. The shielding frame 803 closes the previous exhaust pipe 4. The next exhaust pipe 4 is opened to draw new gas into the detection box 1 for detection. This design can facilitate sampling and detection of gases at multiple points in the mine.

[0031] When opening the detection box 1, the positioning block 809 is rotated to separate the positioning block 809 from the top cover 801. The top cover 801 is then rotated to open the top of the detection box 1, thereby allowing maintenance operations on the laser gas analyzer 7. The top cover 801 is then rotated to close the detection box 1. The positioning block 809 is then rotated to contact the top cover 801 to secure the top cover 801. It is worth noting that the laser gas analyzer 7 includes a laser hydrogen / propylene / propane sensor, a laser carbon monoxide analysis sensor, a laser ethylene analysis sensor, a laser ammonia analysis sensor, a laser methane analysis sensor, a laser hydrogen sulfide analysis sensor, a laser oxygen analysis sensor, and a laser multi-parameter gas analysis sensor.

[0032] Please refer to Figures 3 to 9 The filtering mechanism 9 includes a collecting box 901, which is arranged at the bottom end of the detection box 1. The bottom end of the inner wall of the detection box 1 is fixedly connected to a fixed plate 902. The interior of the fixed plate 902 is slidably connected to a movable frame 903 that passes through the fixed plate 902. A second spring 904 is connected between the movable frame 903 and the fixed plate 902. One end of the movable frame 903 is fixedly connected to a mounting plate 905. A filter plate 906 is provided on the top of the mounting plate 905. The bottom end of the filter plate 906 is fixedly connected to an insertion rod 907. A slot 908 is provided on the top of the mounting plate 905. The filtering mechanism 9 also includes a rotating block 910. The rotating block 910 is rotatably connected to the interior of the fixed plate 902. The outer wall of the rotating block 910 is fixedly connected to a protrusion 909. One end of the rotating block 910 is fixedly connected to the connecting shaft 9 11. One end of the connecting shaft 911 extends to the outer wall of the detection box 1 and is fixedly connected to the rotating cylinder 912. The outer wall of the displacement block 808 is fixedly connected to the pushing plate 913. One side of the detection box 1 is located below the motor 806 and is fixedly connected to the fixing frame 914. One side of the detection box 1 is slidably connected to the displacement frame 915. One end of the displacement frame 915 extends to the inner cavity of the detection box 1. A third spring 916 is connected between the other end of the displacement frame 915 and the fixing frame 914. The outer wall of the fixing frame 914 is rotatably connected to a screw rod 917. The screw rod 917 passes through the displacement frame 915. One end of the screw rod 917 is fixedly connected to a rotating column 918. The interior of the rotating column 918 is slidably connected to a block 919 extending from the rotating column 918. A fourth spring 920 is connected between the block 919 and the rotating column 918.

[0033] In this embodiment, the filter plate 906 filters the air entering the detection box 1 to prevent dust in the air from affecting the detection of the laser gas analysis device 7 .

[0034] When the detection is completed, the motor 806 runs to drive the displacement block 808 to move and reset. During the displacement and reset process of the displacement block 808, the displacement block 808 contacts the displacement frame 915, pushing the displacement frame 915 to move, squeezing the third spring 916, and the displacement frame 915 moves to drive the screw rod 917 to rotate. The rotation of the screw rod 917 drives the rotating column 918 to rotate. The rotation of the rotating column 918 drives the rotating cylinder 912 to rotate through the block 919. The rotation of the rotating cylinder 912 drives the connecting shaft 911 to rotate. The rotation of the connecting shaft 911 drives the rotating block 910 to rotate. The rotation of the rotating block 910 drives the protrusion 909 to perform circumferential displacement. The displacement of the protrusion 909 intermittently contacts the mounting plate 905, pushing the mounting plate 905 to move and vibrate. The rotation of the mounting plate 905 drives the filter plate 906 to vibrate. The dust adhered to the filter plate 906 falls into the collection box 901 for collection due to the vibration.

[0035] Please refer to Figures 2 to 4 A threaded hole is provided on the outer wall of the displacement block 808 , and the threaded hole matches the threaded rod 807 .

[0036] In this embodiment, the motor 806 rotates to drive the threaded rod 807 to rotate, and the rotation of the threaded rod 807 drives the displacement block 808 to move.

[0037] Please refer to Figures 2 to 4 The bottom end of the pushing block 805 is located in the inner cavity of the detection box 1, and the bottom end of the pushing block 805 is provided with a triangular surface.

[0038] In this embodiment, the displacement block 808 is displaced to the top of an exhaust pipe 4 , and the displacement block 808 contacts the pushing block 805 , pushing the pushing block 805 to displace. The displacement of the pushing block 805 drives the shielding frame 803 to displace, causing the first spring 804 to be stretched.

[0039] Please refer to Figures 3 to 9 , the outer wall of the insertion rod 907 fits with the inner wall of the slot 908.

[0040] In this embodiment, when installing the filter plate 906 , the insertion rod 907 is inserted into the slot 908 , and the filter plate 906 is installed on the top of the installation plate 905 .

[0041] Please refer to Figures 3 to 9 The outer wall of the displacement frame 915 is provided with a connecting hole, and the inner wall of the connecting hole is provided with a ball that matches the screw rod 917.

[0042] In this embodiment, during the displacement and reset process of the displacement block 808 , the displacement block 808 contacts the displacement frame 915 , pushing the displacement frame 915 to displace, squeezing the third spring 916 , and the displacement of the displacement frame 915 drives the screw rod 917 to rotate.

[0043] Please refer to Figures 3 to 9 The inner wall of the rotating cylinder 912 is provided with a ratchet, and one end of the clamping block 919 is engaged with the ratchet.

[0044] In this embodiment, the screw rod 917 rotates to drive the rotating column 918 to rotate, the rotating column 918 rotates through the clamping block 919 to drive the rotating cylinder 912 to rotate, the rotating cylinder 912 rotates to drive the connecting shaft 911 to rotate, the connecting shaft 911 rotates to drive the rotating block 910 to rotate, and the rotating block 910 rotates to drive the protrusion 909 to perform circumferential displacement.

[0045] Please refer to Figures 3 to 9 The bottom end of the detection box 1 is fixedly connected to a collection port, and the collection box 901 is installed on the outer wall of the collection port by bolts.

[0046] In this embodiment, the collection box 901 is disassembled and assembled by disassembling and assembling bolts, thereby facilitating the disposal of dust in the collection box 901 .

[0047] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A mine fire bundle pipe monitoring system, comprising a detection box (1), characterized in that: One end of the detection box (1) is fixedly connected to an exhaust pipe (4), the other end of the detection box (1) is fixedly connected to an exhaust pipe (2), the outer wall of the exhaust pipe (2) is installed with a fan (3), one end of the exhaust pipe (4) is fixedly connected to an exhaust port (5), the front end of the exhaust pipe (4) is respectively arranged in a sampling area (6) under each mine, a laser gas analysis device (7) is installed inside the detection box (1), the gas is extracted into the detection box (1) through a detection mechanism (8), and the gas entering the detection box (1) is filtered through a filtering mechanism (9); The detection mechanism (8) includes a top cover (801), the top cover (801) is rotatably connected to the top of the detection box (1), the top of the detection box (1) is located on one side of the top cover (801) and is rotatably connected to a positioning block (809), the connection position between the exhaust pipe (4) and the detection box (1) is fixedly connected to a connecting seat (802), the interior of the connecting seat (802) is slidably connected to a shielding frame (803) extending from the connecting seat (802), and the shielding frame (803) is connected to the A first spring (804) is connected between the connecting seats (802), a push block (805) is fixedly connected to the outer wall of the shielding frame (803), and the push block (805) extends into the interior of the detection box (1). A motor (806) is installed on one side of the detection box (1), and the output end of the motor (806) is connected to a threaded rod (807). The outer wall of the threaded rod (807) is slidably connected to a displacement block (808), and the displacement block (808) contacts the inner wall of the detection box (1); The filtering mechanism (9) comprises a collecting box (901), the collecting box (901) is arranged at the bottom end of the detection box (1), the bottom end of the inner wall of the detection box (1) is fixedly connected to a fixed plate (902), the interior of the fixed plate (902) is slidably connected to a movable frame (903) that passes through the fixed plate (902), a second spring (904) is connected between the movable frame (903) and the fixed plate (902), one end of the movable frame (903) is fixedly connected to a mounting plate (905), a filter plate (906) is arranged at the top end of the mounting plate (905), a plug rod (907) is fixedly connected to the bottom end of the filter plate (906), and a slot (908) is provided at the top end of the mounting plate (905).

2. The mine fire bundle pipe monitoring system according to claim 1, characterized in that: The filtering mechanism (9) further comprises a rotating block (910), wherein the rotating block (910) is rotatably connected to the interior of the fixed plate (902), a protrusion (909) is fixedly connected to the outer wall of the rotating block (910), one end of the rotating block (910) is fixedly connected to a connecting shaft (911), one end of the connecting shaft (911) extends to the outer wall of the detection box (1) and is fixedly connected to a rotating cylinder (912), an outer wall of the displacement block (808) is fixedly connected to a push plate (913), one side of the detection box (1) is located below the motor (806) and is fixedly connected to a fixing frame (914), one side of the detection box (1) is slidably connected to a displacement frame (915), and the displacement frame (915) One end of the displacement frame (915) extends to the inner cavity of the detection box (1), a third spring (916) is connected between the other end of the displacement frame (915) and the fixed frame (914), the outer wall of the fixed frame (914) is rotatably connected to a screw rod (917), the screw rod (917) passes through the displacement frame (915), one end of the screw rod (917) is fixedly connected to a rotating column (918), the interior of the rotating column (918) is slidably connected to a block (919) extending from the rotating column (918), and a fourth spring (920) is connected between the block (919) and the rotating column (918); the inner wall of the rotating cylinder (912) is provided with a ratchet, and one end of the block (919) is engaged with the ratchet.

3. The mine fire bundle pipe monitoring system according to claim 1, characterized in that: A threaded hole is provided on the outer wall of the displacement block (808), and the threaded hole matches the threaded rod (807).

4. The mine fire bundle pipe monitoring system according to claim 1, characterized in that: The bottom end of the pushing block (805) is located in the inner cavity of the detection box (1), and the bottom end of the pushing block (805) is provided with a triangular surface.

5. The mine fire bundle pipe monitoring system according to claim 2, characterized in that: The outer wall of the insertion rod (907) fits into the inner wall of the slot (908).

6. The mine fire bundle pipe monitoring system according to claim 2, characterized in that: The outer wall of the displacement frame (915) is provided with a connection hole, and the inner wall of the connection hole is provided with a ball that matches the screw rod (917).

7. The mine fire bundle pipe monitoring system according to claim 2, characterized in that: The bottom end of the detection box (1) is fixedly connected to a collection port, and the collection box (901) is mounted on the outer wall of the collection port by means of bolts.

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