Toxic gas detection device

Abstract

The utility model discloses a poisonous gas detection device, which relates to the technical field of poisonous gas detection and comprises a hollow mounting plate, a protective shell is fixedly connected onto the hollow mounting plate, and a plurality of exhaust strip holes are formed in the protective shell. A poison gas detection module used for detecting poison gas is arranged at the position, located in the protective shell, of the hollow mounting plate, and a buzzer alarm is arranged at the position, located below the poison gas detection module, of the hollow mounting plate; through the arrangement of the two corrugated hoses and the air suction fan, external air can be actively introduced into the protective shell during working, then active air inlet detection can be achieved, the sensitivity of the device is greatly improved, and meanwhile, due to the fact that the corrugated hoses have certain extensibility and are matched with the bendable characteristic of the corrugated hoses, the device is more flexible and reliable. The suction hood can be arranged at different positions, so that two different areas can be detected at the same time, and the detection range is greatly widened.

Description

Technical Field

[0001] The utility model relates to the technical field of poisonous gas detection, in particular to a poisonous gas detection device. Background Art

[0002] Toxic gas detection equipment can detect the air and issue an alarm when the toxic gas content is too high to ensure the safety of the working environment. Common toxic gases include methane, carbon monoxide, carbon dioxide, hydrogen sulfide, sulfur dioxide, ammonia, nitrogen dioxide, etc. When the concentration of the above gases in the space is too high, it will cause harm to the human body and may be fatal in severe cases. Therefore, it is very important to install toxic gas detection equipment in some working environments.

[0003] The prior art CN215218721U proposes a toxic gas detector that is easy to install, including a wall, wherein the interior of the wall is clamped with expansion screws, the surface of the expansion screws is sleeved with a fixing plate, the internal thread of the fixing plate is connected with bolts, and the surface of the bolts is sleeved with an adapter plate. The device achieves the purpose of easy installation by arranging a lifting plate, a spring, a clamping column, a slide plate, a fixing plate, an adapter plate, bolts and a frame.

[0004] However, the detector still has certain defects in practical application. When using some security inspection equipment, it is necessary to install a toxic gas detection device at the security inspection port to detect suspicious gases emitted by passers-by and luggage. In the prior art, one detector cannot simultaneously detect the areas of the luggage security inspection machine and the pedestrian security inspection machine, and gas detection can only be achieved when the gas actively enters the detection device. The sensitivity is poor and the detection range is low. In view of the above problems, we provide a toxic gas detection device to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a toxic gas detection device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A toxic gas detection device, comprising a hollow mounting plate, a protective shell is fixedly connected to the hollow mounting plate, a plurality of exhaust strip holes are provided on the protective shell, a toxic gas detection module for detecting toxic gas is provided at a position of the hollow mounting plate located inside the protective shell, a buzzer alarm is provided at a position of the hollow mounting plate located below the toxic gas detection module, and air suction components for drawing air into the protective shell are provided on both sides of the protective shell;

[0008] The hollow mounting plate is also provided with a fixing assembly for fixing the hollow mounting plate.

[0009] As a further solution of the utility model: a controller is provided on the hollow mounting plate above the poisonous gas detection module, and the poisonous gas detection module and the buzzer alarm are both electrically connected to the controller.

[0010] As a further solution of the utility model: the poison gas detection module is composed of a data processing unit, a mustard gas detection unit, a gas detection unit, a carbon monoxide detection unit, a carbon dioxide detection unit, a hydrogen sulfide detection unit, a sulfur dioxide detection unit, an ammonia detection unit and a nitrogen dioxide detection unit.

[0011] As a further solution of the utility model: the air suction component includes a connecting tube, the connecting tube is respectively fixed in the middle of the two side surfaces of the protective shell, the connecting tube is communicated with the protective shell, an air suction fan is installed inside the connecting tube, the end of the connecting tube away from the protective shell is connected to a corrugated hose, the end of the corrugated hose away from the connecting tube is fixedly connected to an air suction hood, and the air suction hood is provided with an anti-impurity component for preventing impurities from entering the corrugated hose.

[0012] As a further solution of the utility model: the anti-impurity component includes a fixed tube, the fixed tube is threadedly connected to the air suction hood, and one end of the fixed tube away from the air suction hood is fixedly connected with a filter.

[0013] As a further solution of the utility model: a strapping belt is connected to the suction hood.

[0014] As a further solution of the utility model: the fixed component includes an inner slide plate, which is slidably connected to the positions on both sides of the inside of the hollow mounting plate, and both ends of the inner slide plate are fixedly connected with sliding plates, and the sliding plate is slidably connected to the hollow mounting plate. Springs are installed between the inner slide plate and the two side surfaces inside the hollow mounting plate, and the end of the sliding plate away from the inner slide plate is fixedly connected with a fixed plate. The fixed plate is provided with an adjustment component for adjusting the clamping width, and the interior of the hollow mounting plate is also provided with an expansion component for expanding the sliding plate toward the outside of the hollow mounting plate.

[0015] As a further solution of the utility model: the adjustment component includes a limit slide rod, which is slidably connected to the positions at both ends of the fixed plate respectively, and a clamping plate is fixedly connected between one end of the two limit slide rods on the same side close to the hollow mounting plate, and the fixed plate is provided with an adjustment component for adjusting the position of the clamping plate.

[0016] As a further solution of the utility model: the adjustment assembly includes a threaded rod, the threaded rod is threadedly connected to the middle position of the fixed plate, the end of the threaded rod is rotatably connected to the clamping plate, and the end of the threaded rod away from the clamping plate is fixedly connected to a handle.

[0017] As a further solution of the utility model: the expansion component includes a driving rod, and the two driving rods are arranged in the middle of the hollow mounting plate. The lower end of the driving rod is rotatably connected to the bottom of the hollow mounting plate, the upper end of the driving rod is rotatably connected to a roller, and the lower end of the driving rod is fixedly connected to a pressing rod.

[0018] As a further solution of the utility model: anti-slip patterns are engraved on opposite sides of the splint.

[0019] As a further solution of the utility model: the surface of the pressing rod is wrapped with an anti-slip cover made of rubber material.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The utility model can actively introduce external gas into the protective shell during operation by arranging two corrugated hoses and an air suction fan, thereby realizing active air intake detection, which greatly improves the sensitivity of the device. At the same time, since the corrugated hose has a certain degree of stretchability and is combined with the bendable characteristics of the corrugated hose itself, the air suction hood can be set to different positions, thereby simultaneously detecting two different areas, greatly improving the detection range.

[0022] 2. The utility model is provided with an expansion component, which can be pinched during use to move the two clamping plates away from each other, and then the hollow mounting plate can be clamped to the column or other objects of the security inspection equipment. The clamping is convenient, and the device can be easily installed or disassembled, and is easy to use.

[0023] 3. The utility model can filter the inhaled air during use by providing a fixed cylinder and a filter screen, thereby preventing large particles of debris from entering the interior of the corrugated hose. At the same time, the fixed cylinder is threadedly connected to the suction hood, which facilitates the disassembly of the fixed cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the utility model.

[0025] Figure 2 It is a structural schematic diagram of the fixing component in the utility model.

[0026] Figure 3 It is a structural schematic diagram of the other side of the fixing component in the utility model.

[0027] Figure 4 It is a schematic diagram of the internal structure of the hollow mounting plate of the utility model.

[0028] Figure 5 It is a schematic diagram of the internal structure of the protective shell in the utility model.

[0029] Figure 6It is a structural schematic diagram of the protective shell in the utility model.

[0030] Among them: 1. Hollow mounting plate; 2. Protective shell; 3. Exhaust strip hole; 4. Corrugated hose; 5. Suction hood; 6. Strapping belt; 7. Press rod; 8. Connecting tube; 9. Fixed tube; 10. Filter; 11. Clamp; 12. Limiting slide bar; 13. Threaded rod; 14. Handle; 15. Fixed plate; 16. Sliding plate; 17. Driving rod; 18. Spring; 19. Roller; 20. Inner slide plate; 21. Controller; 22. Poison gas detection module; 23. Buzzer alarm; 24. Suction fan. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Example 1

[0033] See also Figure 1-Figure 6 In an embodiment of the utility model, a toxic gas detection device includes a hollow mounting plate 1, a protective shell 2 is fixedly connected to the hollow mounting plate 1, a plurality of exhaust strip holes 3 are opened on the protective shell 2, a toxic gas detection module 22 for detecting toxic gas is provided at a position of the hollow mounting plate 1 located inside the protective shell 2, a buzzer alarm 23 is provided at a position of the hollow mounting plate 1 located below the toxic gas detection module 22, a controller 21 is provided at a position of the hollow mounting plate 1 located above the toxic gas detection module 22, and the toxic gas detection module 22 and the buzzer alarm 23 are both electrically connected to the controller 21; the poisonous gas detection module 22 is composed of a data processing unit, a mustard gas detection unit, a gas detection unit, a carbon monoxide detection unit, a carbon dioxide detection unit, a hydrogen sulfide detection unit, a sulfur dioxide detection unit, an ammonia detection unit and a nitrogen dioxide detection unit. The poisonous gas detection module 22 can detect mustard gas, gas, carbon monoxide, carbon dioxide, hydrogen sulfide, sulfur dioxide, ammonia and nitrogen dioxide in the environment, thereby realizing poisonous gas detection in the working environment.

[0034] Both sides of the protective shell 2 are provided with suction components for drawing air into the protective shell 2; the suction components include connecting tubes 8, which are respectively fixed in the middle of the two side surfaces of the protective shell 2, and the connecting tubes 8 are connected to the protective shell 2, and the ends of the connecting tubes 8 away from the protective shell 2 are connected to the corrugated hose 4, and the ends of the corrugated hose 4 away from the connecting tubes 8 are fixedly connected to the suction hood 5, and the suction hood 5 is provided with an anti-impurity component for preventing impurities from entering the corrugated hose 4; the suction hood 5 is connected to a strapping belt 6; the suction fan 24 can actively draw air during operation, and the air around the suction hood 5 can be sucked in, and the air can be sent into the protective shell 2, and then discharged from the exhaust strip hole 3 after being detected by the poisonous gas detection module 22, and the sensitivity can be greatly improved by actively drawing air.

[0035] The anti-impurity component includes a fixed cylinder 9, which is threadedly connected to the air intake hood 5, and a filter screen 10 is fixedly connected to the end of the fixed cylinder 9 away from the air intake hood 5; through the set fixed cylinder 9 and filter screen 10, the inhaled air can be filtered during use, thereby preventing large particles of impurities from entering the corrugated hose 4. At the same time, the fixed cylinder 9 is threadedly connected to the air intake hood 5, which is convenient for disassembly of the fixed cylinder 9.

[0036] The hollow mounting plate 1 is also provided with a fixing component for fixing the hollow mounting plate 1; the fixing component includes an inner slide plate 20, and the inner slide plate 20 is respectively slidably connected to the positions on both sides of the interior of the hollow mounting plate 1, and both ends of the inner slide plate 20 are fixedly connected with sliding plates 16, and the sliding plates 16 are slidably connected to the hollow mounting plate 1, and springs 18 are installed between the inner slide plate 20 and the two side surfaces inside the hollow mounting plate 1, and the end of the sliding plate 16 away from the inner slide plate 20 is fixedly connected with a fixing plate 15, and the fixing plate 15 is provided with an adjustment component for adjusting the clamping width, and the interior of the hollow mounting plate 1 is also provided with an expansion component for expanding the sliding plate 16 toward the outside of the hollow mounting plate 1; when in use, the expansion component can drive the two inner slide plates 20 away from each other during work, and then drive the sliding plate 16 and the fixing plate 15, so that the two fixing plates 15 can be expanded synchronously, so as to facilitate the clamping of the hollow mounting plate 1 to the column or other objects of the security inspection equipment, and the clamping is convenient.

[0037] The adjusting assembly comprises a limit slide bar 12, which is slidably connected to the positions at both ends of the fixing plate 15 respectively, and a clamping plate 11 is fixedly connected between the two limit slide bars 12 on the same side close to one end of the hollow mounting plate 1, and an adjusting assembly for adjusting the position of the clamping plate 11 is provided on the fixing plate 15; the adjusting assembly comprises a threaded rod 13, which is threadedly connected to the middle position of the fixing plate 15, and the end of the threaded rod 13 is rotatably connected to the clamping plate 11, and the end of the threaded rod 13 away from the clamping plate 11 is fixedly connected with a handle 14; the opposite sides of the clamping plate 11 are engraved with anti-slip patterns; when adjusting, the threaded rod 13 is driven to rotate by rotating the corrugated hose 4, and the rotation of the threaded rod 13 can drive the clamping plate 11 to move, so that the spacing between the two clamping plates 11 can be adjusted, so that in actual application, the spacing between the two clamping plates 11 can be appropriately adjusted according to the width of the clamped object.

[0038] The expansion component includes a driving rod 17, two of which are arranged in the middle of the hollow mounting plate 1, the lower end of the driving rod 17 is rotatably connected to the bottom of the hollow mounting plate 1, the upper end of the driving rod 17 is rotatably connected to a roller 19, and the lower end of the driving rod 17 is fixedly connected to a pressing rod 7; when in use, the two pressing rods 7 are held and squeezed, and the driving rod 17 is driven to move by the lever principle, and the movement of the driving rod 17 drives the inner slide 20 to move, and the provided roller 19 can reduce the friction between the driving rod 17 and the inner slide 20.

[0039] Example 2

[0040] The difference from Example 1 is that the surface of the pressing rod 7 is wrapped with an anti-slip cover made of rubber material; the anti-slip cover can increase the friction force on the surface of the pressing rod 7 to avoid slipping when holding.

[0041] The working principle of the utility model is: when working, first adjust the distance between the two clamps 11 according to the width of the security inspection machine column. After the adjustment is completed, pinch the two pressing rods 7 to expand the two fixing plates 15, drive the clamps 11 to expand accordingly, and then fix the hollow mounting plate 1 to the column. After the fixing is completed, the two suction hoods 5 are respectively tied to the pedestrian security inspection machine area and the baggage security inspection machine area. During the inspection, the suction fan 24 draws air and inhales the air around the suction hood 5, and sends the air into the protective shell 2, and then the air is discharged from the exhaust strip hole 3 after being detected by the toxic gas detection module 22. When toxic gas is detected, the buzzer alarm 23 sends an alarm signal to remind the on-site staff.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although the present specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A toxic gas detection device, comprising a hollow mounting plate (1), characterized in that: The hollow mounting plate (1) is fixedly connected to a protective shell (2), the protective shell (2) is provided with a plurality of exhaust strip holes (3), a poison gas detection module (22) for detecting poison gas is provided at a position of the hollow mounting plate (1) located inside the protective shell (2), a buzzer alarm (23) is provided at a position of the hollow mounting plate (1) located below the poison gas detection module (22), and air suction components for drawing air into the protective shell (2) are provided on both sides of the protective shell (2); The hollow mounting plate (1) is also provided with a fixing component for fixing the hollow mounting plate (1); The air suction component comprises a connecting tube (8), the connecting tube (8) is respectively fixed in the middle of the two side surfaces of the protective shell (2), the connecting tube (8) is communicated with the protective shell (2), an air suction fan (24) is installed inside the connecting tube (8), one end of the connecting tube (8) away from the protective shell (2) is connected to a corrugated hose (4), one end of the corrugated hose (4) away from the connecting tube (8) is fixedly connected to an air suction hood (5), and the air suction hood (5) is provided with an anti-impurity component for preventing impurities from entering the corrugated hose (4); The anti-impurity component comprises a fixed tube (9), the fixed tube (9) is threadedly connected to the air suction hood (5), and one end of the fixed tube (9) away from the air suction hood (5) is fixedly connected to a filter screen (10).

2. A toxic gas detection device according to claim 1, characterized in that: The hollow mounting plate (1) is provided with a controller (21) at a position above the poisonous gas detection module (22), and the poisonous gas detection module (22) and the buzzer alarm (23) are both electrically connected to the controller (21).

3. A toxic gas detection device according to claim 2, characterized in that: The poison gas detection module (22) is composed of a data processing unit, a mustard gas detection unit, a gas detection unit, a carbon monoxide detection unit, a carbon dioxide detection unit, a hydrogen sulfide detection unit, a sulfur dioxide detection unit, an ammonia detection unit and a nitrogen dioxide detection unit.

4. A toxic gas detection device according to claim 1, characterized in that: The suction hood (5) is connected with a binding belt (6).

5. A toxic gas detection device according to claim 1, characterized in that: The fixing assembly comprises an inner slide plate (20), the inner slide plate (20) being slidably connected to positions on both sides of the interior of the hollow mounting plate (1), both ends of the inner slide plate (20) being fixedly connected to sliding plates (16), the sliding plates (16) being slidably connected to the hollow mounting plate (1), springs (18) being installed between the inner slide plate (20) and both side surfaces inside the hollow mounting plate (1), one end of the sliding plate (16) away from the inner slide plate (20) being fixedly connected to a fixing plate (15), an adjusting assembly for adjusting a clamping width being provided on the fixing plate (15), and an expansion assembly for expanding the sliding plate (16) toward the outside of the hollow mounting plate (1) being further provided inside the hollow mounting plate (1).

6. A toxic gas detection device according to claim 5, characterized in that: The adjustment assembly comprises a limit slide bar (12), wherein the limit slide bar (12) is slidably connected to the positions at both ends of the fixed plate (15), and a clamping plate (11) is fixedly connected between the ends of the two limit slide bars (12) on the same side close to the hollow mounting plate (1), and an adjustment assembly for adjusting the position of the clamping plate (11) is provided on the fixed plate (15).

7. A toxic gas detection device according to claim 6, characterized in that: The adjustment assembly comprises a threaded rod (13), wherein the threaded rod (13) is threadedly connected to the middle position of a fixing plate (15), an end of the threaded rod (13) is rotatably connected to the clamping plate (11), and an end of the threaded rod (13) away from the clamping plate (11) is fixedly connected to a handle (14).

8. A toxic gas detection device according to claim 5, characterized in that: The expansion assembly comprises a driving rod (17), wherein two driving rods (17) are arranged in the middle of the hollow mounting plate (1), the lower end of the driving rod (17) is rotatably connected to the bottom of the hollow mounting plate (1), the upper end of the driving rod (17) is rotatably connected to a roller (19), and the lower end of the driving rod (17) is fixedly connected to a pressing rod (7).

9. A toxic gas detection device according to claim 6, characterized in that: The opposite sides of the clamping plate (11) are both engraved with anti-slip patterns.

10. A toxic gas detection device according to claim 8, characterized in that: The surface of the pressing rod (7) is wrapped with an anti-slip sleeve made of rubber material.

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