Monitoring and alarming device for hazardous gas

Abstract

The utility model relates to the technical field of gas monitoring and alarming, discloses a monitoring and alarming device for hazardous gas, and solves the problems that in the using process of the monitoring and alarming device for the hazardous gas, active suction and detection operation on gas in air are inconvenient, the monitoring efficiency of the hazardous gas is reduced, and the safety of the hazardous gas is influenced. The device comprises an outer shell, a detector body is arranged in the outer shell, an alarm is fixedly installed on one side of the detector body, a wire connector is fixedly installed on the other side of the detector body, and an air outlet pipe is fixedly installed in the middle of the top end of the outer shell in a penetrating mode. An air inlet mechanism is arranged in the outer shell and is positioned below the detector main body; according to the monitoring and alarming device for the hazardous gas, in the using process of the monitoring and alarming device for the hazardous gas, active suction and detection operation can be conveniently conducted on the gas in the air, the monitoring efficiency of the hazardous gas is improved, and therefore better practicability can be conveniently achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas monitoring and alarming technology, in particular to a monitoring and alarming device for dangerous gases. Background Art

[0002] Hazardous gases generally refer to gases that are harmful to humans and animals, such as gases that irritate the human eye mucosa, respiratory system, and central nervous system, causing damage or even death, and gases that can seriously pollute the environment. In order to ensure safety, hazardous gas monitoring and alarm devices will be installed in areas where hazardous gases exist. However, when using hazardous gas monitoring and alarm devices, it is not convenient to actively absorb and detect gases in the air, which reduces the monitoring efficiency of hazardous gases and makes it difficult to achieve better practicality. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a monitoring and alarm device for hazardous gases, which effectively solves the problem that during the use of the monitoring and alarm device for hazardous gases, it is inconvenient to actively absorb and detect the gas in the air, which reduces the monitoring efficiency of hazardous gases and makes it inconvenient to achieve better practicality.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a monitoring and alarm device for hazardous gases, comprising an outer shell, a cover plate is installed on the outer side of the outer shell, a detector body is arranged inside the outer shell, three positioning bolts are installed on the outer side of the detector body, and the positioning bolts are fixedly installed inside the outer shell, an alarm is fixedly installed on one side of the detector body, and the alarm extends to the outside of the outer shell away from one end of the detector body, a wire connector is fixedly installed on the other side of the detector body, and the wire connector extends to the outside of the outer shell away from one end of the detector body, an air outlet pipe is fixedly installed through the middle of the top end of the outer shell, an air intake mechanism is arranged inside the outer shell and below the detector body, and the bottom of the air intake mechanism extends to the below of the outer shell.

[0005] Preferably, the air intake mechanism includes a positioning frame, and the positioning frame is fixedly installed in the middle of the inner bottom end of the outer shell, a fan is arranged inside the positioning frame, connecting blocks are fixedly installed on both sides of the fan, and the side of the connecting block away from the fan is fixedly connected to the inner wall of the positioning frame, an air outlet hood is fixedly installed on the top of the positioning frame, and the air outlet hood is located directly below the detector body, the bottom of the air outlet hood is fixedly connected to the air outlet port of the fan, a rotating joint is fixedly installed on the bottom of the fan, a connecting pipe is rotatably installed on the bottom of the rotating joint, the bottom of the connecting pipe movably passes through and extends to the bottom of the outer shell, a connecting elbow is fixedly installed on the bottom of the connecting pipe, a collecting pipe is fixedly installed on one side of the connecting elbow, and an air intake pipe is evenly fixedly installed on the bottom of the collecting pipe.

[0006] Preferably, a reduction motor is fixedly mounted on the inner wall of the positioning frame, a driving gear is fixedly mounted on the output shaft of the reduction motor, a transmission gear is meshingly connected to the outer side of the driving gear, and both the driving gear and the transmission gear are bevel gear structures, and the transmission gear is fixedly mounted on the outer side of the connecting tube.

[0007] Preferably, the four corners of the cover plate are movably penetrated with connecting bolts, the four inner corners of the outer shell are fixedly installed with connecting screw sleeves, and one end of the connecting bolt movably penetrates the cover plate and is threadedly installed inside the connecting screw sleeve.

[0008] Preferably, a fixing frame is symmetrically fixedly installed on the top of the outer shell, and the fixing frame is an L-shaped structure, and a fixing bolt is movably installed inside the top of the fixing frame.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1) During operation, the outer shell, the detector body, the alarm and the air intake mechanism interact with each other, so that the hazardous gas monitoring alarm device can be used to actively absorb and detect the gas in the air, thereby improving the monitoring efficiency of the hazardous gas and achieving better practicality;

[0011] 2) During operation, the interaction between the connecting bolts and the connecting screw sleeves can facilitate better opening or closing of the cover during use, thereby facilitating better operation by people. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0013] In the attached picture:

[0014] Figure 1 This is a schematic diagram of the structure of a monitoring and alarm device for dangerous gases according to the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the outer shell of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal structure of the positioning frame of the utility model.

[0017] In the figure: 1. outer shell; 2. cover plate; 3. detector body; 4. positioning bolt; 5. alarm; 6. wire joint; 7. outlet pipe; 8. air intake mechanism; 9. positioning frame; 10. fan; 11. connecting block; 12. outlet hood; 13. rotating joint; 14. connecting pipe; 15. connecting elbow; 16. collecting pipe; 17. air intake pipe; 18. reduction motor; 19. driving gear; 20. transmission gear; 21. connecting bolt; 22. connecting nut; 23. fixing bracket; 24. fixing bolt. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Embodiment 1, by Figure 1 , Figure 2 and Figure 3 The utility model includes an outer shell 1, a fixing frame 23 is symmetrically fixedly installed on the top of the outer shell 1, and the fixing frame 23 is an L-shaped structure, a fixing bolt 24 is movably installed inside the top of the fixing frame 23, a cover plate 2 is installed on the outside of the outer shell 1, and connecting bolts 21 are movably installed on the four corners of the cover plate 2, and connecting screw sleeves 22 are fixedly installed on the four corners of the inner shell 1, and one end of the connecting bolt 21 is movably installed on the cover plate 2 and threadedly installed on the inside of the connecting screw sleeve 22, and a detector body 3 is arranged inside the outer shell 1, and the outer side of the detector body 3 is installed There are three positioning bolts 4, and the positioning bolts 4 are fixedly installed inside the outer shell 1. An alarm 5 is fixedly installed on one side of the detector body 3, and the end of the alarm 5 away from the detector body 3 extends to the outside of the outer shell 1. A wire connector 6 is fixedly installed on the other side of the detector body 3, and the end of the wire connector 6 away from the detector body 3 extends to the outside of the outer shell 1. An air outlet pipe 7 is fixedly installed through the middle of the top of the outer shell 1. An air intake mechanism 8 is arranged inside the outer shell 1 and below the detector body 3, and the bottom of the air intake mechanism 8 extends to the bottom of the outer shell 1.

[0020] The air intake mechanism 8 includes a positioning frame 9, and the positioning frame 9 is fixedly installed in the middle of the inner bottom end of the outer shell 1. A fan 10 is arranged inside the positioning frame 9. Connecting blocks 11 are fixedly installed on both sides of the fan 10, and the side of the connecting block 11 away from the fan 10 is fixedly connected to the inner wall of the positioning frame 9. An air outlet hood 12 is fixedly installed on the top of the positioning frame 9, and the air outlet hood 12 is located directly below the detector body 3. The bottom of the air outlet hood 12 is fixedly connected to the air outlet port of the fan 10. A rotating joint 13 is fixedly installed at the bottom of the fan 10, and a connecting pipe 1 is rotatably installed at the bottom of the rotating joint 13. 4. The bottom of the connecting pipe 14 movably penetrates and extends to the bottom of the outer shell 1. A connecting elbow 15 is fixedly installed at the bottom of the connecting pipe 14. A collecting pipe 16 is fixedly installed on one side of the connecting elbow 15. An intake pipe 17 is evenly fixedly installed at the bottom of the collecting pipe 16. A reduction motor 18 is fixedly installed on the inner wall of the positioning frame 9. A driving gear 19 is fixedly installed on the output shaft of the reduction motor 18. A transmission gear 20 is meshed and connected to the outer side of the driving gear 19. Both the driving gear 19 and the transmission gear 20 are bevel gear structures. The transmission gear 20 is fixedly installed on the outer side of the connecting pipe 14.

[0021] During use, through the interaction of the outer shell 1, the detector body 3, the alarm 5 and the air intake mechanism 8, the hazardous gas monitoring and alarm device can be used to actively absorb and detect gases in the air, thereby improving the monitoring efficiency of hazardous gases and achieving better practicality. In addition, through the interaction of the connecting bolts 21 and the connecting screw sleeves 22, the cover 2 can be opened or closed better during use, thereby facilitating people to operate it better.

[0022] Working principle: When working, first turn the fixing bolt 24 to fix the fixing frame 23 on the indoor ceiling so that the whole device can be fixed, and then use the connecting wire to connect the wire connector 6 to the external control instrument, and then start the detector body 3, the fan 10 and the reduction motor 18 to work, the reduction motor 18 drives the driving gear 19 to rotate, the driving gear 19 drives the transmission gear 20 to rotate, the transmission gear 20 drives the connecting pipe 14 to rotate, the connecting pipe 14 drives the collecting pipe 16 to rotate through the connecting elbow 15, and the collecting pipe 16 drives the air inlet pipe 17 to move, and at the same time the fan 10 works, and the air inlet pipe 17 is driven to move. The external air is sucked into the interior of the collecting pipe 16, and then the sucked air passes through the collecting pipe 16, the connecting elbow 15, the connecting pipe 14 and the rotating joint 13, and is blown upward through the air outlet hood 12 under the action of the fan 10. The detector body 3 detects the air blown out from below. If dangerous gas is detected, the alarm 5 will perform an alarm operation. If no dangerous gas is detected, the alarm 5 will not perform an alarm operation. In this way, the dangerous gas monitoring and alarm device can be used to actively absorb and detect the gas in the air during use, thereby improving the monitoring efficiency of dangerous gases and achieving better practicality.

Claims

1. A monitoring and alarm device for dangerous gases, comprising an outer shell (1), characterized in that: A cover plate (2) is installed on the outer side of the outer shell (1), a detector body (3) is arranged inside the outer shell (1), three positioning bolts (4) are installed on the outer side of the detector body (3), and the positioning bolts (4) are fixedly installed inside the outer shell (1), an alarm (5) is fixedly installed on one side of the detector body (3), and the end of the alarm (5) away from the detector body (3) extends to the outside of the outer shell (1), a wire connector (6) is fixedly installed on the other side of the detector body (3), and the end of the wire connector (6) away from the detector body (3) extends to the outside of the outer shell (1), an air outlet pipe (7) is fixedly installed and penetrated in the middle of the top of the outer shell (1), and an air intake mechanism (8) is arranged inside the outer shell (1) and below the detector body (3), and the bottom of the air intake mechanism (8) extends to the bottom of the outer shell (1).

2. A monitoring and alarm device for dangerous gases according to claim 1, characterized in that: The air intake mechanism (8) comprises a positioning frame (9), and the positioning frame (9) is fixedly mounted at the middle of the inner bottom end of the outer shell (1), a fan (10) is arranged inside the positioning frame (9), connecting blocks (11) are fixedly mounted on both sides of the fan (10), and the side of the connecting block (11) away from the fan (10) is fixedly connected to the inner wall of the positioning frame (9), and an air outlet hood (12) is fixedly mounted on the top of the positioning frame (9), and the air outlet hood (12) is located directly below the detector body (3), and the air outlet hood (12) is fixedly mounted on the top of the positioning frame (9). The bottom of the outer shell (1) is fixedly connected to the air outlet port of the fan (10), a rotating joint (13) is fixedly installed on the bottom of the fan (10), a connecting pipe (14) is rotatably installed on the bottom of the rotating joint (13), the bottom of the connecting pipe (14) movably penetrates and extends to the bottom of the outer shell (1), a connecting elbow (15) is fixedly installed on the bottom of the connecting pipe (14), a collecting pipe (16) is fixedly installed on one side of the connecting elbow (15), and an air inlet pipe (17) is evenly fixedly installed on the bottom of the collecting pipe (16).

3. A monitoring and alarm device for dangerous gases according to claim 2, characterized in that: A reduction motor (18) is fixedly mounted on the inner wall of the positioning frame (9), a driving gear (19) is fixedly mounted on the output shaft of the reduction motor (18), the outer side of the driving gear (19) is meshedly connected with a transmission gear (20), and both the driving gear (19) and the transmission gear (20) are bevel gear structures, and the transmission gear (20) is fixedly mounted on the outer side of the connecting pipe (14).

4. The monitoring and alarm device for dangerous gas according to claim 1 is characterized in that: The four corners of the cover plate (2) are all movably penetrated by connecting bolts (21), the four corners inside the outer shell (1) are all fixedly installed with connecting screw sleeves (22), and one end of the connecting bolt (21) is movably penetrated by the cover plate (2) and is threadedly installed inside the connecting screw sleeve (22).

5. The monitoring and alarm device for dangerous gas according to claim 1 is characterized in that: A fixing frame (23) is symmetrically fixedly installed on the top of the outer shell (1), and the fixing frame (23) is an L-shaped structure. A fixing bolt (24) is movably installed inside the top of the fixing frame (23) and penetrates through it.

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