Natural gas leakage detection alarm device

Abstract

The utility model relates to a natural gas leakage detection alarm device, and belongs to the technical field of natural gas leakage detection. Comprising an L-shaped bottom plate, a box body, a suction fan, a dustproof net, a methane sensor, a controller and an alarm, the box body is detachably mounted on the L-shaped bottom plate, a partition plate is mounted in the box body, a mounting plate is mounted at the bottom of the partition plate and located on the front side of the box body, a detection cavity is formed between the mounting plate and the box body, and an air suction channel communicated with the detection cavity is formed in the mounting plate; a dustproof net is detachably mounted at the other end of the air suction channel, a methane sensor and a controller are mounted on the partition plate, and the detection end of the methane sensor extends into the detection cavity; the box body is detachably mounted on the L-shaped base, so that disassembly and assembly are convenient; a suction fan is mounted in the box body, so that air flow can be accelerated, and the detection efficiency is improved; the dustproof net is detachably installed at the front end of the air suction channel, dust can be prevented from entering the air suction channel, meanwhile, the dustproof net is convenient to disassemble and assemble and clean or replace, and the detection effect is improved.

Description

Technical Field

[0001] This utility model belongs to the field of natural gas leak detection technology, specifically relating to a natural gas leak detection alarm device. Background Technology

[0002] Natural gas is primarily used as fuel, and its use is increasingly widespread. However, natural gas is flammable and explosive, posing a significant risk. A leak can cause natural gas to rapidly disperse into the air, potentially leading to fires and explosions if it comes into contact with an ignition source. Therefore, real-time monitoring of natural gas leaks is crucial for mitigating their harmful effects. Existing natural gas leak detection and alarm devices are inconvenient to install and remove, have poor detection timeliness, and cannot promptly detect leaks. Furthermore, existing devices often use dust filters to prevent dust accumulation, which require cleaning over time due to the inconvenience of disassembly and replacement. Therefore, this invention provides a natural gas leak detection and alarm device to address these issues. Summary of the Invention

[0003] To overcome the problems mentioned in the background art, this utility model provides a natural gas leak detection and alarm device. The housing of this utility model is detachably mounted on an L-shaped base for easy assembly and disassembly; a suction fan is installed inside the housing to accelerate airflow and improve detection efficiency; a dustproof net is detachably installed at the front end of the suction channel for easy cleaning or replacement, thus improving detection effectiveness.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: A natural gas leak detection and alarm device includes an L-shaped base plate 1, a housing 2, an exhaust fan 3, a dustproof net 4, a methane sensor 5, a controller 6, and an alarm 7. The housing 2 is detachably installed on the L-shaped base plate 1. A partition 8 is installed inside the housing 2. A mounting plate 9 is installed at the bottom of the partition 8 and on the front side of the housing 2. A detection cavity 10 is formed between the mounting plate 9 and the housing 2. A ventilation hole 11 is provided at the bottom of the detection cavity 10. The mounting plate 9 is equipped with... There is a suction channel 12 connected to the detection chamber 10. The suction fan 3 is installed at one end of the suction channel 12. A dustproof net 4 is detachably installed at the other end of the suction channel 12. A fixing mechanism 13 for fixing the dustproof net 4 is installed on the mounting plate 9. The methane sensor 5 and the controller 6 are installed on the partition plate 8. The detection end of the methane sensor 5 extends into the detection chamber 10. The alarm 7 is installed on the top of the box 2. The methane sensor 5 is electrically connected to the input end of the controller 6. The output end of the controller 6 is electrically connected to the alarm 7.

[0005] Furthermore, the fixing mechanism 13 includes a fixing rod 14, a first magnet 15, a second magnet 16, a sliding block 17, and a connecting rod 18. The mounting plate 9 is provided with a sliding groove 19 on both sides of the dustproof net 4. The first magnet 15 is installed at both ends of the sliding groove 19. The sliding block 17 is slidably installed in the sliding groove 19, and the second magnet 16 is installed on both sides of the sliding block 17. The connecting rod 18 is installed on the top of the sliding block 17. The fixing rod 14 is installed on one side of the connecting rod 18. The dustproof net 4 is provided with side ears 20 on both sides. The side ears 20 are provided with fixing holes 21 to facilitate the insertion of the fixing rod 14.

[0006] Furthermore, the other end of the suction channel 12 is provided with an internal thread, and an external threaded cylinder 22 is installed on one side of the dustproof net 4. The dustproof net 4 is threadedly connected to the other end of the suction channel 12.

[0007] Furthermore, the L-shaped base plate 1 is provided with T-shaped moving grooves 23 on both the left and right sides, and T-shaped moving blocks 24 are installed on the left and right sides of the box body 2 respectively. The box body 2 is moved and installed on the T-shaped moving grooves 23 of the L-shaped base plate 1 through the T-shaped moving blocks 24.

[0008] Furthermore, the L-shaped base plate 1 is equipped with insert rods 25 on both sides, and the bottom of both sides of the box body 2 is equipped with insert cylinders 26 to facilitate the insertion of the insert rods 25.

[0009] Furthermore, a third magnet 27 is installed inside the insert 26, and the insert rod 25 is a magnetic metal rod that can be attracted to the third magnet 27.

[0010] Furthermore, the L-shaped base plate 1 has multiple threaded holes 28 on both sides.

[0011] Furthermore, the top of the housing 2 is provided with heat dissipation holes 29.

[0012] Furthermore, a power supply 30 is installed on the partition 8, which is electrically connected to the methane sensor 5, the controller 6, and the alarm 7.

[0013] The beneficial effects of this utility model are:

[0014] The housing of this utility model can be detachably installed on an L-shaped base for easy assembly and disassembly; a suction fan is installed inside the housing to accelerate airflow and quickly draw the detection gas into the detection chamber, thereby increasing detection efficiency and enabling timely detection of natural gas leaks; a dustproof net is detachably installed at the front end of the suction channel to prevent dust from entering, and it is also easy to remove and install the dustproof net for cleaning or replacement, thus improving the detection effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 yes Figure 1 Enlarged schematic diagram of part A in the middle.

[0017] Figure 3 This is a schematic cross-sectional view of the structure of this utility model.

[0018] Figure 4 This is a schematic cross-sectional view of the structure of this utility model.

[0019] Figure 5 This is a schematic diagram of the structure of this utility model.

[0020] Reference numerals in the attached diagram: 1. L-shaped base plate; 2. Housing; 3. Exhaust fan; 4. Dustproof net; 5. Methane sensor; 6. Controller; 7. Alarm; 8. Partition; 9. Mounting plate; 10. Detection chamber; 11. Ventilation hole; 12. Exhaust channel; 13. Fixing mechanism; 14. Fixing rod; 15. First magnet; 16. Second magnet; 17. Sliding block; 18. Connecting rod; 19. Slide groove; 20. Side lug; 21. Fixing hole; 22. External threaded cylinder; 23. T-shaped moving groove; 24. T-shaped moving block; 25. Insert rod; 26. Insert cylinder; 27. Third magnet; 28. Threaded hole; 29. ​​Heat dissipation hole; 30. Power supply. Detailed Implementation

[0021] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.

[0022] like Figure 1-5This utility model discloses a natural gas leak detection and alarm device, which includes an L-shaped base plate 1, a housing 2, a suction fan 3, a dustproof net 4, a methane sensor 5, a controller 6, and an alarm 7. The housing 2 is detachably mounted on the L-shaped base plate 1. A partition 8 is installed inside the housing 2. A door is hinged to one side of the top of the housing above the partition. A mounting plate 9 is installed at the bottom of the partition 8 and at the front of the housing 2, forming a detection chamber 10 between the mounting plate 9 and the housing 2. A ventilation hole 11 is provided at the bottom of the detection chamber 10. A suction channel 12 communicating with the detection chamber 10 is provided on the mounting plate 9. The suction fan 3 is installed at one end of the suction channel 12. A dustproof net 4 is detachably mounted at the other end of the suction channel 12. A fixing mechanism 13 for fixing the dustproof net 4 is installed on the mounting plate 9. The methane sensor 5 and controller 6 are mounted on the partition plate 8, with the detection end of the methane sensor 5 extending into the detection chamber 10. The alarm 7 is mounted on the top of the housing 2. The methane sensor 5 is electrically connected to the input end of the controller 6, and the output end of the controller 6 is electrically connected to the alarm 7. The housing is detachably mounted on an L-shaped base for easy disassembly and assembly. A suction fan is installed inside the housing to accelerate airflow and quickly draw the detected gas into the detection chamber, increasing detection efficiency and enabling timely detection of natural gas leaks. A dustproof net is detachably installed at the front end of the suction channel to prevent dust from entering and facilitates disassembly, cleaning, or replacement of the dustproof net, improving detection effectiveness. The methane sensor can detect whether natural gas is leaking. When a leak is detected, the information is transmitted to the controller, which activates the alarm to alert the system of a leak.

[0023] The fixing mechanism 13 includes a fixing rod 14, a first magnet 15, a second magnet 16, a sliding block 17, and a connecting rod 18. A sliding groove 19 is provided on the mounting plate 9 on both sides of the dustproof net 4. A first magnet 15 is installed at both ends of the sliding groove 19. The sliding groove 19 includes limiting grooves on both sides. The sliding block 17 includes limiting blocks on both sides that slide within the limiting grooves. The sliding block 17 is slidably installed within the sliding groove 19, and a second magnet 16 is installed on both sides of the sliding block 17. A connecting rod 18 is installed on the top of the sliding block 17, and a fixing rod is installed on one side of the connecting rod 18. 14. The dustproof net 4 has side ears 20 on both sides, and the side ears 20 have fixing holes 21 for easy insertion of the fixing rod 14; the other end of the suction channel 12 has an internal thread, and an external threaded cylinder 22 is installed on one side of the dustproof net 4. The dustproof net 4 is threadedly connected to the other end of the suction channel 12. During installation, after threading the dustproof net to one end of the suction channel, move the sliding block to the end near the dustproof net. The first magnet at the end near the dustproof net in the sliding groove attracts the second magnet on one side of the sliding block, stabilizing the sliding block and allowing the fixing rod to be stably inserted into the fixing hole, thus limiting and fixing the dustproof net. When disassembling the dustproof net, move the sliding block to the end away from the dustproof net, allowing the fixing rod to disengage from the fixing hole, and then remove the dustproof net.

[0024] The L-shaped base plate 1 has T-shaped moving slots 23 on both the left and right sides, and T-shaped moving blocks 24 are installed on the left and right sides of the box body 2 respectively. The box body 2 is moved and installed on the T-shaped moving slots 23 of the L-shaped base plate 1 through the T-shaped moving blocks 24. Insert rods 25 are installed on both sides of the L-shaped base plate 1, and insert cylinders 26 are installed at the bottom of both sides of the box body 2 to facilitate the insertion of the insert rods 25. A third magnet 27 is installed in the insert cylinder 26, and the insert rod 25 is a magnetic metal rod that can be attracted to the third magnet 27. When installing the box body, the box body is moved and installed on the T-shaped moving slots of the L-shaped base plate through the T-shaped moving blocks, and at the same time, the insert rod is inserted into the insert cylinder and attracted to the third magnet, which can stably install the box body and facilitate disassembly and assembly.

[0025] The L-shaped base plate 1 has multiple threaded holes 28 on both sides; bolts are used to fix the L-shaped base plate through the threaded holes.

[0026] The top of the housing 2 is provided with heat dissipation holes 29 to facilitate heat dissipation of the components on the partition.

[0027] The partition 8 is equipped with a power supply 30 that is electrically connected to the methane sensor 5, the controller 6, and the alarm 7.

[0028] Work process:

[0029] The working principle of this utility model is as follows: An L-shaped base plate 1 is fixed using bolts through threaded holes 28. A T-shaped moving block 24 moves the housing 2 onto the T-shaped moving groove 23 of the L-shaped base plate 1. Simultaneously, a rod 25 is inserted into a plug tube 26 and attracted to a third magnet 27, stabilizing the housing 2. A dustproof net 4 is threaded onto one end of the suction channel 12. A sliding block 17 is moved to a position near the dustproof net 4. A first magnet 15 near the dustproof net 4 in the sliding groove 19 attracts a second magnet 16 on one side of the sliding block 17, stabilizing the sliding block 17. A fixing rod 14 is stably inserted into the fixing hole 21, limiting and fixing the dustproof net 4, thus stabilizing its installation. A suction fan 3 is installed inside the housing 2 to accelerate airflow and quickly draw the detected gas into the detection chamber 10, increasing detection efficiency. A methane sensor 5 detects natural gas leaks. When a leak is detected, the information is transmitted to the controller 6, which controls the alarm 7 to sound an alarm, alerting the user to the leak.

[0030] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A natural gas leak detection and alarm device, characterized in that: The natural gas leak detection and alarm device includes an L-shaped base plate (1), a housing (2), a suction fan (3), a dustproof net (4), a methane sensor (5), a controller (6), and an alarm (7). The housing (2) is detachably mounted on the L-shaped base plate (1). A partition (8) is installed inside the housing (2). A mounting plate (9) is installed at the bottom of the partition (8) and on the front side of the housing (2). A detection chamber (10) is formed between the mounting plate (9) and the housing (2). A ventilation hole (11) is provided at the bottom of the detection chamber (10). The mounting plate (9) is provided with a connection to the detection chamber (10). The suction channel (12) has a suction fan (3) installed at one end of the suction channel (12), and a dustproof net (4) is detachably installed at the other end of the suction channel (12). A fixing mechanism (13) for fixing the dustproof net (4) is installed on the mounting plate (9). The methane sensor (5) and the controller (6) are installed on the partition plate (8), and the detection end of the methane sensor (5) extends into the detection chamber (10). The alarm (7) is installed on the top of the box (2). The methane sensor (5) is electrically connected to the input end of the controller (6), and the output end of the controller (6) is electrically connected to the alarm (7).

2. The natural gas leak detection and alarm device according to claim 1, characterized in that: The fixing mechanism (13) includes a fixing rod (14), a first magnet (15), a second magnet (16), a sliding block (17), and a connecting rod (18). The mounting plate (9) is provided with a sliding groove (19) on both sides of the dustproof net (4). The first magnet (15) is installed at both ends of the sliding groove (19). The sliding block (17) is slidably installed in the sliding groove (19), and the second magnet (16) is installed on both sides of the sliding block (17). The connecting rod (18) is installed on the top of the sliding block (17). The fixing rod (14) is installed on one side of the connecting rod (18). The dustproof net (4) is provided with side ears (20) on both sides. The side ears (20) are provided with fixing holes (21) for easy insertion of the fixing rod (14).

3. The natural gas leak detection and alarm device according to claim 1, characterized in that: The other end of the suction channel (12) is provided with an internal thread, and an external threaded cylinder (22) is installed on one side of the dustproof net (4). The dustproof net (4) is threadedly connected to the other end of the suction channel (12).

4. A natural gas leak detection and alarm device according to claim 1, characterized in that: The L-shaped base plate (1) is provided with T-shaped moving grooves (23) on both the left and right sides. The box body (2) is provided with T-shaped moving blocks (24) on both the left and right sides. The box body (2) is moved and installed on the T-shaped moving grooves (23) of the L-shaped base plate (1) by means of the T-shaped moving blocks (24).

5. A natural gas leak detection and alarm device according to claim 4, characterized in that: The L-shaped base plate (1) is equipped with insert rods (25) on both sides, and the bottom of both sides of the box body (2) is equipped with insert cylinders (26) to facilitate the insertion of the insert rods (25).

6. A natural gas leak detection and alarm device according to claim 5, characterized in that: The insert (26) is equipped with a third magnet (27), and the insert rod (25) is a magnetic metal rod that can be attracted to the third magnet (27).

7. A natural gas leak detection and alarm device according to claim 1, characterized in that: The L-shaped base plate (1) has multiple threaded holes (28) on both sides.

8. A natural gas leak detection and alarm device according to claim 1, characterized in that: The top of the box (2) is provided with heat dissipation holes (29).

9. A natural gas leak detection and alarm device according to claim 1, characterized in that: The partition (8) is equipped with a power supply (30) that is electrically connected to the methane sensor (5), the controller (6) and the alarm (7).

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