Detection alarm device for chemical safety

Abstract

The utility model relates to the technical field of chemical engineering alarm devices, and discloses a chemical engineering safety detection alarm device which comprises a waste gas pipe, a clamp is sleeved on the outer side of the waste gas pipe, a connecting plate is fixedly arranged at the bottom of the clamp, a moving mechanism is arranged in the connecting plate, and a detection box is fixedly arranged at the bottom of the moving mechanism. A detection mechanism is arranged in the detection box, and air inlet and outlet mechanisms are arranged at the two ends of the detection mechanism. According to the utility model, the threaded transmission between the threaded rod and the moving rod drives the detection box to horizontally move at the bottom of the waste gas pipe, and meanwhile, the rotary motor is matched to drive the detection box to horizontally rotate, so that the air hole of the air inlet pipe is driven to rotate and circularly suck air, and the purpose of moving detection of a detection area is realized; therefore, the detection of the device in the detection area is more comprehensive, and the working efficiency of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical alarm devices, in particular to a detection alarm device for chemical safety. Background Art

[0002] The chemical industry occupies a pivotal position in the national economy. However, the environment of the chemical industry is relatively dangerous. Various chemicals will pollute the environment or harm human health. In addition, the raw materials or products of the chemical industry are mostly corrosive or toxic chemicals. Therefore, safety alarm devices need to be installed in chemical plants to detect whether the chemical raw materials or products in the chemical plants have leaked. Generally, the exhaust gas is discharged through a dedicated exhaust gas pipe, and a detection alarm device is installed on the pipe to alarm when the exhaust gas leaks.

[0003] The patent document with announcement number: CN215068569U discloses an alarm device for chemical safety management, including a fixed plate, the lower surface of which is fixedly connected to two mutually symmetrical mounting blocks, the surfaces of the two mounting blocks are plugged with fixed plug plates, the lower surface of the fixed plug plates is fixedly connected to a detection box, the inner wall of the detection box is fixedly installed with an alarm controller, the lower surface of the detection box is provided with an audible and visual alarm, a motor is fixedly installed on the lower surface of the alarm controller, the output shaft of the motor is fixedly connected to a first bevel gear, and the lower surface of the alarm controller is fixedly connected to a connecting plate. The alarm device for chemical safety management, by providing a detection box and a detection hole, can detect gas through the detection hole when a gas leak occurs at the site of use, and activate the audible and visual alarm in real time to sound an alarm, and by providing a brush and a cleaning slot, when the detection hole is blocked by dust and particles, it can be cleaned in time without manual operation, so that the alarm device always maintains an effective working state;

[0004] This application can provide a brush and a cleaning groove so that when the detection hole is blocked by dust and particles, it can be cleaned in time without manual operation, so that the alarm device can always maintain an effective working state. However, the device can only detect at a fixed location and cannot be moved, and the detection holes are mostly fixed for detection, resulting in incomplete detection. Therefore, a chemical safety detection alarm device is provided to improve it. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a chemical safety detection alarm device, which aims to improve the problem in the comparative documents that detection can only be carried out at a fixed location and cannot be moved, and the detection holes are mostly fixed, resulting in incomplete detection.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a detection alarm device for chemical safety, comprising an exhaust pipe, a clamp is sleeved on the outside of the exhaust pipe, a connecting plate is fixedly arranged at the bottom of the clamp, a moving mechanism is arranged inside the connecting plate, a detection box is fixedly arranged at the bottom of the moving mechanism, a detection mechanism is arranged inside the detection box, and air inlet and outlet mechanisms are arranged at both ends of the detection mechanism;

[0007] The moving mechanism includes a servo motor and a threaded rod, the output end of the servo motor is fixedly provided with a threaded rod, the servo motor is fixedly connected to one side of a connecting plate, the threaded rod is rotatably connected to the inner wall of the connecting plate, a moving rod is sleeved on the outer side of the threaded rod, matching threads are provided at the connection between the moving rod and the threaded rod, and a rotating motor is fixedly provided at the bottom of the moving rod.

[0008] As a further description of the above technical solution:

[0009] The air inlet and outlet mechanism includes an air inlet pipe and an air outlet pipe, an air outlet pipe is provided at one end of the air inlet pipe, a plurality of air holes are penetrated on one side of the air inlet pipe and the air outlet pipe, a connecting ring is fixedly provided on the outer side of the air hole, a silicone docking sleeve is provided on the outer side of the connecting ring, a dust filter is fixedly provided inside the silicone docking sleeve, and the other ends of the air inlet pipe and the air outlet pipe penetrate into the interior of the detection box.

[0010] As a further description of the above technical solution:

[0011] The detection mechanism includes a suction fan and a single-chip microcomputer. The single-chip microcomputer is arranged at one end of the suction fan, a gas detection device is arranged at one end of the single-chip microcomputer, a gas outlet hood is fixedly arranged at one end of the gas detection device, and a buzzer alarm is fixedly arranged at the rear side of the detection box.

[0012] As a further description of the above technical solution:

[0013] An inspection cover is sleeved on the front side of the detection box, and fixing bolts are penetrated through the four corners of the inspection cover.

[0014] As a further description of the above technical solution:

[0015] The air inlet pipe and the air outlet pipe have the same length, and the connecting ring is movably connected to the silicone butt sleeve.

[0016] As a further description of the above technical solution:

[0017] The detection box is rotationally connected to the rotating motor, and the output end of the rotating motor is fixedly connected to the detection box.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, the threaded transmission between the threaded rod and the moving rod drives the detection box to move horizontally at the bottom of the exhaust pipe, and at the same time cooperates with the rotating motor to drive the detection box to rotate horizontally, thereby driving the air holes of the intake pipe to rotate and circulate to inhale gas, thereby achieving the purpose of mobile detection of the detection area, making the device more comprehensive in the detection area, thereby effectively improving the working efficiency of the device.

[0020] 2. In the utility model, the connecting rings are connected by a silicone butt sleeve, so that the dust filter is set on the outside of the air hole, so that the air hole can filter dust during the process of air in and out, preventing dust from entering the gas detection device and affecting the gas detection device, thereby reducing the detection accuracy of the gas detection device, and utilizing the movable connection between the silicone butt sleeve and the connecting ring to quickly replace the dust filter, further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a chemical safety detection and alarm device proposed by the utility model;

[0022] Figure 2 This is a cross-sectional view of the overall structure of a chemical safety detection and alarm device proposed by the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the air inlet and air outlet pipes of a chemical safety detection and alarm device proposed by the utility model;

[0024] Figure 4 This is an enlarged view of point A of a chemical safety detection and alarm device proposed by the utility model.

[0025] Legend:

[0026] 1. Exhaust pipe; 2. Clamp; 3. Connecting plate; 4. Detection box; 5. Servo motor; 6. Threaded rod; 7. Moving rod; 8. Rotating motor; 9. Inlet pipe; 10. Outlet pipe; 11. Air hole; 12. Connecting ring; 13. Silicone docking sleeve; 14. Dust filter; 15. Suction fan; 16. Single chip microcomputer; 17. Gas detection device; 18. Outlet hood; 19. Buzzer alarm. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-4 The utility model provides an embodiment: a chemical safety detection alarm device, comprising an exhaust pipe 1, a clamp 2 is sleeved on the outside of the exhaust pipe 1, a connecting plate 3 is fixedly arranged at the bottom of the clamp 2, a moving mechanism is arranged inside the connecting plate 3, a detection box 4 is fixedly arranged at the bottom of the moving mechanism, a detection mechanism is arranged inside the detection box 4, and an air inlet and outlet mechanism are arranged at both ends of the detection mechanism;

[0029] The moving mechanism includes a servo motor 5 and a threaded rod 6. The output end of the servo motor 5 is fixedly provided with the threaded rod 6. The servo motor 5 is fixedly connected to one side of the connecting plate 3. The threaded rod 6 is rotatably connected to the inner wall of the connecting plate 3. A moving rod 7 is sleeved on the outer side of the threaded rod 6. The connection between the moving rod 7 and the threaded rod 6 is provided with matching threads. A rotating motor 8 is fixedly provided at the bottom of the moving rod 7.

[0030] The threaded rod 6 is driven to rotate by the servo motor 5, so that the threaded rod 6 drives the moving rod 7 to move left and right inside the connecting plate 3, thereby driving the detection box 4 to move horizontally at the bottom of the exhaust pipe 1. At the same time, turning on the rotating motor 8 will also drive the detection box 4 to rotate horizontally. During the rotation of the detection box 4, the air hole 11 of the intake pipe 9 is driven to rotate and circulate to inhale gas, thereby achieving the purpose of mobile detection of the detection area, so that the device can detect more comprehensively within the detection area.

[0031] The air inlet and outlet mechanism includes an air inlet pipe 9 and an air outlet pipe 10. The air outlet pipe 10 is arranged at one end of the air inlet pipe 9. A plurality of air holes 11 are penetrated on one side of the air inlet pipe 9 and the air outlet pipe 10. A connecting ring 12 is fixedly arranged on the outer side of the air hole 11. A silicone docking sleeve 13 is sleeved on the outer side of the connecting ring 12. A dust filter 14 is fixedly arranged inside the silicone docking sleeve 13. The other ends of the air inlet pipe 9 and the air outlet pipe 10 penetrate into the interior of the detection box 4.

[0032] The dust filter 14 can filter the dust in the air entering and exiting the air hole 11, preventing the dust from entering the gas detection device 17 and affecting the gas detection device 17, thereby reducing the detection accuracy of the gas detection device 17. When replacing, the silicone docking sleeve 13 can be directly taken out from the outside of the connecting ring 12 to quickly replace the dust filter 14, further improving the practicality of the device.

[0033] The detection mechanism includes a suction fan 15 and a single-chip microcomputer 16. The single-chip microcomputer 16 is arranged at one end of the suction fan 15, and a gas detection device 17 is arranged at one end of the single-chip microcomputer 16. An air outlet hood 18 is fixedly arranged at one end of the gas detection device 17. A buzzer alarm 19 is fixedly arranged on the rear side of the detection box 4.

[0034] The gas is sucked in through the air holes 11 of the air inlet pipe 9 through a suction fan 15, and then discharged to the gas detection device 17 for detection, and then discharged from the various air holes 11 on the outlet pipe 10 through the gas outlet hood 18. Once the gas detection device 17 detects that the gas is unqualified, a signal is transmitted to the single-chip microcomputer 16, and the single-chip microcomputer 16 turns on the buzzer alarm to remind the staff that there is a risk of gas leakage in the exhaust pipe 1.

[0035] An inspection cover is provided on the front side of the detection box 4, and fixing bolts are provided through the four corners of the inspection cover.

[0036] The inspection cover is disassembled by fixing the bolts, so as to inspect the inside of the detection box 4.

[0037] The air inlet pipe 9 and the air outlet pipe 10 have the same length, and the connecting ring 12 is movably connected to the silicone butt sleeve 13 .

[0038] The connecting ring 12 is movably connected to the silicone butt sleeve 13 , and the silicone butt sleeve 13 can be quickly and tightly sleeved on the outside of the connecting ring 12 under the elastic force of the silicone.

[0039] The detection box 4 is rotationally connected to the rotary motor 8 , and the output end of the rotary motor 8 is fixedly connected to the detection box 4 .

[0040] The output shaft of the rotating motor 8 is directly connected to the inspection box 4, thereby driving the inspection box 4 to rotate.

[0041] Working principle: First, the whole device is installed on the exhaust pipe 1 to be tested through the clamp 2, and then the whole device is connected to the power supply to ensure the normal use of the device; during use, the servo motor 5 and the rotating motor 8 are turned on at the same time, and the servo motor 5 is used to drive the threaded rod 6 to rotate, and the threaded rod 6 drives the moving rod 7 to move on its surface, thereby driving the detection box 4 to move horizontally at the bottom of the exhaust pipe 1, and the rotating motor 8 will also drive the detection box 4 to rotate horizontally. During the rotation of the detection box 4, when the suction fan 15 is turned on, the air hole 11 of the air inlet pipe 9 is driven to rotate and circulate to inhale gas, thereby achieving the purpose of mobile detection of the detection area, so that the device can detect more comprehensively in the detection area, thereby effectively improving the working efficiency of the device; After the inhaled gas is detected by the gas detection device 17, it will be discharged to the outlet pipe 10 through the air outlet hood 18, and then discharged from each air hole 11. Once the gas detection device 17 detects that the gas is unqualified, the signal will be transmitted to the single-chip microcomputer 16, and the single-chip microcomputer 16 will turn on the buzzer alarm to remind the staff that there is a risk of leakage in the exhaust pipe 1; during the process of air inlet and outlet of the air hole 11, the dust filter 14 can filter the dust to prevent dust from entering the gas detection device 17 and affecting the gas detection device 17, thereby reducing the detection accuracy of the gas detection device 17, and when replacing, the silicone docking sleeve 13 can be directly taken out from the outside of the connecting ring 12, and the dust filter 14 can be quickly replaced, which further improves the practicality of the device.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A chemical safety detection alarm device, comprising an exhaust pipe (1), characterized in that: The outer side of the exhaust pipe (1) is sleeved with a clamp (2), the bottom of the clamp (2) is fixedly provided with a connecting plate (3), the interior of the connecting plate (3) is provided with a moving mechanism, the bottom of the moving mechanism is fixedly provided with a detection box (4), the interior of the detection box (4) is provided with a detection mechanism, and both ends of the detection mechanism are provided with air inlet and outlet mechanisms; The moving mechanism comprises a servo motor (5) and a threaded rod (6); the output end of the servo motor (5) is fixedly provided with the threaded rod (6); the servo motor (5) is fixedly connected to one side of the connecting plate (3); the threaded rod (6) is rotatably connected to the inner wall of the connecting plate (3); a moving rod (7) is sleeved on the outer side of the threaded rod (6); matching threads are provided at the connection between the moving rod (7) and the threaded rod (6); and a rotating motor (8) is fixedly provided at the bottom of the moving rod (7).

2. A chemical safety detection alarm device according to claim 1, characterized in that: The air inlet and outlet mechanism comprises an air inlet pipe (9) and an air outlet pipe (10), one end of the air inlet pipe (9) is provided with an air outlet pipe (10), one side of the air inlet pipe (9) and the air outlet pipe (10) are penetrated with a plurality of air holes (11), a connecting ring (12) is fixedly provided on the outer side of the air hole (11), a silicone butt sleeve (13) is sleeved on the outer side of the connecting ring (12), a dust filter (14) is fixedly provided inside the silicone butt sleeve (13), and the other ends of the air inlet pipe (9) and the air outlet pipe (10) are penetrated into the interior of the detection box (4).

3. A chemical safety detection alarm device according to claim 2, characterized in that: The detection mechanism comprises a suction fan (15) and a single-chip microcomputer (16); the single-chip microcomputer (16) is arranged at one end of the suction fan (15); a gas detection device (17) is arranged at one end of the single-chip microcomputer (16); a gas outlet hood (18) is fixedly arranged at one end of the gas detection device (17); and a buzzer alarm (19) is fixedly arranged at the rear side of the detection box (4).

4. A chemical safety detection alarm device according to claim 3, characterized in that: The front side of the detection box (4) is sleeved with an inspection cover, and fixing bolts are provided through the four corners of the inspection cover.

5. A chemical safety detection alarm device according to claim 4, characterized in that: The air inlet pipe (9) and the air outlet pipe (10) are of the same length, and the connecting ring (12) is movably connected to the silicone butt sleeve (13).

6. A chemical safety detection alarm device according to claim 5, characterized in that: The detection box (4) is rotationally connected to a rotating motor (8), and an output end of the rotating motor (8) is fixedly connected to the detection box (4).

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