Carbon monoxide detector for tunnel

Abstract

The utility model provides a carbon monoxide detector for a tunnel, which belongs to the technical field of detectors, and adopts the technical scheme that the carbon monoxide detector comprises a shell, a detection cavity and an oxygen uptake cavity which are not communicated are formed in the shell, a detector main body is arranged in the detection cavity, a detection assembly is arranged above the detector main body, and the detection assembly comprises a T-shaped air pipe; the T-shaped air pipe is arranged in the detection cavity, two oxygen bottles are arranged in the oxygen inhalation cavity, two air valves are arranged on one sides of the two oxygen bottles respectively, an oxygen inhalation assembly is arranged on one sides of the two oxygen bottles, a switch is arranged in the oxygen inhalation cavity, a power source is arranged in the detection cavity, and an alarm lamp is arranged on one side of the shell. Through the arrangement of the detection assembly, when the device carries out detection operation, the precision is better; through the arrangement of the oxygen inhalation assembly, the safety of a user can be ensured in a high carbon monoxide concentration environment, and the safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of detectors, and more specifically, it particularly relates to a carbon monoxide detector for tunnels. Background Technique

[0002] Tunnels are an important part of modern transportation infrastructure, greatly improving traffic conditions, shortening travel time, and promoting economic development. However, the internal environment of tunnels is enclosed with poor ventilation conditions, and harmful gases such as carbon monoxide (CO) emitted by vehicles are likely to accumulate, seriously affecting the air quality inside the tunnels. Carbon monoxide is a colorless and odorless toxic gas, which will cause serious harm to human health when its concentration reaches a certain level.

[0003] For example, the Chinese utility model patent with the patent number 202321157256.4 provides a carbon monoxide detector for tunnels. Through the setting of a fixing mechanism, the carbon monoxide detector is fixed, and the device can be disassembled more conveniently; through the setting of a lifting mechanism, the carbon monoxide detector can detect the carbon monoxide concentration at different heights.

[0004] Currently, when traditional carbon monoxide detectors for tunnels are tested inside tunnels, due to the enclosed and unventilated environment, the accuracy of the test results is often low; most traditional carbon monoxide detectors cannot ensure the health of users in an environment with excessive carbon monoxide, and the safety is low. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a carbon monoxide detector for tunnels to solve the technical problems in the prior art that when traditional carbon monoxide detectors for tunnels are tested inside tunnels, due to the enclosed and unventilated environment, the accuracy of the test results is often low; most traditional carbon monoxide detectors cannot ensure the health of users in an environment with excessive carbon monoxide, and the safety is low.

[0006] The purpose and effect of a carbon monoxide detector for tunnels of the utility model are achieved by the following specific technical means:

[0007] A carbon monoxide detector for tunnels includes a housing. A non - communicating detection chamber and an oxygen - absorbing chamber are opened inside the housing. A detector main body is arranged in the detection chamber. A detection component is arranged above the detector main body. The detection component includes a T - shaped air duct. The T - shaped air duct is arranged in the detection chamber. Two oxygen cylinders are arranged in the oxygen - absorbing chamber. Two air valves are respectively arranged on one side of the two oxygen cylinders. An oxygen - absorbing component is arranged on one side of the two oxygen cylinders. A switch is arranged in the oxygen - absorbing chamber. A power supply is arranged in the detection chamber. An alarm lamp is arranged on one side of the housing.

[0008] According to a preferred embodiment, a first fixing frame and a second fixing frame are arranged in the detection cavity. One side of each of the first fixing frame and the second fixing frame is connected to the outer shell by screws. The same group of T-shaped air ducts are respectively clamped in the first fixing frame and the second fixing frame, and one end of the T-shaped air duct penetrates out of the outer shell.

[0009] According to a preferred embodiment, a motor fixing frame is fixedly connected inside the T-shaped air duct. A rotating motor is arranged inside the motor fixing frame. A fan blade is fixedly connected to the shaft end of the rotating motor. A first dust-proof net is arranged at the end of the T-shaped air duct that penetrates out of the outer shell. A top cover is threadedly connected to the top of the T-shaped air duct, and a detection rod is arranged at the bottom of the T-shaped air duct.

[0010] According to a preferred embodiment, four telescopic motors are arranged in the oxygen inhalation cavity. Extension rods are arranged at the shaft ends of the four telescopic motors. A support plate is arranged at the tops of the four extension rods. A storage cabinet is fixedly connected to the top of the support plate. A sponge pad is arranged inside the storage cabinet. The oxygen inhalation assembly includes two oxygen inhalation tubes and two oxygen inhalation masks. The two oxygen inhalation tubes and the two oxygen inhalation masks are both clamped on the top of the sponge pad. Two placement racks are arranged in the oxygen inhalation cavity, and the two oxygen cylinders are both clamped in the placement racks.

[0011] According to a preferred embodiment, an observation frame is arranged on the top of the outer shell. An observation window is clamped inside the observation frame. Second dust-proof nets are fixedly connected to both sides of the outer shell. A detachable maintenance door is arranged at the opening of the detection cavity.

[0012] According to a preferred embodiment, a fixed door is arranged on the top of the outer shell. A chute is opened on the top of the outer shell. A sliding door is clamped in the chute. A handle is arranged on the top of the sliding door.

[0013] According to a preferred embodiment, four universal wheels are arranged at the bottom of the outer shell. A push rod is arranged at one end of the outer shell.

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

[0015] 1. Through the setting of the detection component, the detection component can inhale the air in the tunnel into the T-shaped air duct through the rotating motor and the fan blade, and discharge it to the detection rod. The second dust-proof net can allow the air in the detection cavity to circulate, so that when the detector main body detects the carbon monoxide concentration, the detected concentration is more accurate, improving the accuracy of the device.

[0016] 2. When the detector main body detects that the carbon monoxide concentration in the tunnel is too high, the alarm light starts to work to remind the user. Subsequently, the user can open the sliding door and press the switch. Then, the telescopic motor pushes the storage cabinet to rise, and the user can wear the oxygen inhalation mask and inhale oxygen through the oxygen cylinder to ensure their safety in an environment with a high carbon monoxide concentration, improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of a carbon monoxide detector for tunnels according to the present utility model;

[0018] Figure 2 FIG. is an exploded view of a carbon monoxide detector for tunnels according to the present utility model;

[0019] Figure 3 FIG. is a schematic structural diagram of the oxygen inhalation component after being disassembled in a carbon monoxide detector for tunnels according to the present utility model;

[0020] Figure 4 FIG. is a schematic structural diagram of the detection component after being disassembled in a carbon monoxide detector for tunnels according to the present utility model;

[0021] Figure 5 FIG. is a schematic structural diagram of the housing, detector main body, detection rod and power supply after being disassembled in a carbon monoxide detector for tunnels according to the present utility model.

[0022] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0023] 11. Housing; 12. Detection chamber; 13. Oxygen inhalation chamber; 14. Detector main body; 15. T-shaped air duct; 16. Oxygen cylinder; 17. Air valve; 18. Alarm light; 19. Motor fixing bracket; 21. First fixing bracket; 22. Second fixing bracket; 23. Rotating motor; 24. Detection rod; 25. Fan blade; 26. Top cover; 27. First dust-proof net; 28. Telescopic motor; 29. Extension rod; 31. Storage cabinet; 32. Support plate; 33. Sponge pad; 34. Placing rack; 35. Oxygen inhalation tube; 36. Oxygen inhalation mask; 37. Observation frame; 38. Observation window; 39. Maintenance door; 41. Fixed door; 42. Sliding door; 43. Handle; 44. Universal wheel; 45. Push rod; 46. Switch; 47. Second dust-proof net; 48. Power supply. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further describes in detail the embodiments of the present utility model with reference to the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0025] Embodiment:

[0026] As shown in the attached Figure 1 to the attached Figure 5As shown in the figure:

[0027] The utility model provides a carbon monoxide detector for tunnels. Inside the outer shell 11, there is a detection chamber 12 and an oxygen absorption chamber 13. Inside the detection chamber 12, there is a detector main body 14. Above the detector main body 14, there is a detection component. The detection component includes a T-shaped air duct 15. The T-shaped air duct 15 is arranged inside the detection chamber 12, and the T-shaped air duct 15 plays the role of transporting the air in the tunnel. Inside the oxygen absorption chamber 13, there are two groups of oxygen cylinders 16. On both groups of oxygen cylinders 16, there are air valves 17 for controlling the outflow of oxygen. Inside the oxygen absorption chamber 13, there is also an oxygen absorption component, including two groups of oxygen absorption tubes 35 and two groups of oxygen absorption masks 36. There are slots in the sponge pad 33 for placing these oxygen absorption tubes 35 and oxygen absorption masks 36. The oxygen absorption tubes 35 and oxygen absorption masks 36 are clamped on the top of the sponge pad 33, so that users can quickly wear the oxygen absorption masks 36 to absorb oxygen when the carbon monoxide concentration is too high, ensuring safety. A switch 46 is arranged inside the oxygen absorption chamber 13 to control the start and stop of four groups of telescopic motors 28. A power supply 48 is arranged inside the detection chamber 12 to provide power support for the whole device. An alarm lamp 18 is arranged on one side of the outer shell 11. When the carbon monoxide concentration is detected to be too high, the alarm lamp 18 will light up to remind users to take measures.

[0028] On the top of the outer shell 11, there is an observation frame 37. Inside the observation frame 37, there is an observation window 38, which is convenient for users to observe the operation state of the internal equipment. On both sides of the outer shell 11, there are second dust-proof nets 47 installed to prevent dust from entering the equipment interior, reduce the influence of dust on the service life of the equipment, and protect the internal components. At the opening of the detection chamber 12, there is a detachable maintenance door 39, which is convenient for overhauling and maintaining the equipment inside the detection chamber 12. On the bottom of the outer shell 11, there are four groups of universal wheels 44. At one end of the outer shell 11, there is a push rod 45, which is convenient for users to push the equipment to conduct detections at different places in the tunnel, improving flexibility.

[0029] Please refer to such as Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown in the figure, a first fixing bracket 21 and a second fixing bracket 22 for fixing the T-shaped air duct 15 are provided in the detection chamber 12. One side of the first fixing bracket 21 and the second fixing bracket 22 is connected to the outer shell 11 by screws to ensure the stability of the T-shaped air duct 15. One end of the T-shaped air duct 15 passes through the outer shell 11, so that the air in the tunnel can enter the detection chamber 12 through the T-shaped air duct 15. A motor fixing bracket 19 is fixed in the T-shaped air duct 15. A rotating motor 23 is provided in the motor fixing bracket 19. A fan blade 25 is fixed on the main shaft of the rotating motor 23, which can effectively suck air into the T-shaped air duct 15. A first dust-proof net 27 is provided at the end of the T-shaped air duct 15 passing through the outer shell 11 to prevent dust and impurities from entering and affecting the detection accuracy. The top of the T-shaped air duct 15 is threadedly connected with a top cover 26, which is convenient for overhauling and maintaining the internal components. A detection rod 24 is provided at the bottom of the T-shaped air duct 15, and the carbon monoxide concentration of the inhaled air is detected through the detection rod 24. When the user uses it, only the power supply 48 needs to be turned on. The power supply 48 supplies power to the rotating motor 23, the detector main body 14 and the alarm lamp 18. Subsequently, the air in the tunnel flows into the detection rod 24 through the T-shaped air duct 15, and the detector main body 14 conducts a test. When the carbon monoxide concentration is too high, the alarm lamp 18 starts to work and reminds the user.

[0030] A fixing door 41 is provided at the top of the outer shell 11. A sliding groove is opened at the top of the outer shell 11. A sliding door 42 is clamped in the sliding groove. A handle 43 is provided at the top of the sliding door 42. Four telescopic motors 28 are provided in the oxygen inhalation chamber 13. Extension rods 29 are provided at the shaft ends of the four telescopic motors 28. A support plate 32 is provided at the top of the extension rod 29. A storage cabinet 31 is fixedly connected to the top of the support plate 32. A sponge pad 33 is provided in the storage cabinet 31 for storing oxygen inhalation components. Two placement racks 34 are provided in the oxygen inhalation chamber 13. The two oxygen cylinders 16 are both clamped in the placement racks 34 to ensure the stable fixation and safe use of the oxygen cylinders 16. After the alarm lamp 18 starts to work, the user can press the switch 46. The switch 46, the telescopic motor 28 and the power supply 48 are electrically connected. Subsequently, the four telescopic motors 28 start to work to push the storage cabinet 31 to rise. Then the user can take out the oxygen inhalation tube 35 and the oxygen inhalation mask 36 placed in the storage cabinet 31, connect the oxygen inhalation tube 35 to the air valve 17, and turn on the air valve 17 to start oxygen inhalation, which improves the safety.

[0031] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present invention and its practical application, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A carbon monoxide detector for tunnels, comprising a housing (11), characterized in that: A detection chamber (12) and an oxygen inhalation chamber (13) which are not connected are provided inside the housing (11). A detector main body (14) is arranged in the detection chamber (12). A detection component is arranged above the detector main body (14). The detection component includes a T-shaped air duct (15). The T-shaped air duct (15) is arranged in the detection chamber (12). Two oxygen cylinders (16) are arranged in the oxygen inhalation chamber (13). Two air valves (17) are respectively arranged on one side of the two oxygen cylinders (16). An oxygen inhalation component is arranged on one side of the two oxygen cylinders (16). A switch (46) is arranged in the oxygen inhalation chamber (13). A power supply (48) is arranged in the detection chamber (12). An alarm lamp (18) is arranged on one side of the housing (11).

2. The carbon monoxide detector for tunnels according to claim 1, characterized in that: A first fixing frame (21) and a second fixing frame (22) are arranged in the detection chamber (12). One side of the first fixing frame (21) and the second fixing frame (22) is connected to the housing (11) by screws. The same group of T-shaped air ducts (15) are respectively clamped in the first fixing frame (21) and the second fixing frame (22). One end of the T-shaped air duct (15) passes through the housing (11).

3. The carbon monoxide detector for tunnel according to claim 2, characterized in that: A motor fixing frame (19) is fixedly connected inside the T-shaped air duct (15). A rotating motor (23) is arranged inside the motor fixing frame (19). A fan blade (25) is fixedly connected to the shaft end of the rotating motor (23). A first dust-proof net (27) is arranged at the end of the T-shaped air duct (15) passing through the housing (11). A top cover (26) is threadedly connected to the top of the T-shaped air duct (15). A detection rod (24) is arranged at the bottom of the T-shaped air duct (15).

4. The carbon monoxide detector for tunnels according to claim 1, characterized in that: Four telescopic motors (28) are arranged in the oxygen inhalation chamber (13). Extension rods (29) are arranged at the shaft ends of the four telescopic motors (28). A support plate (32) is arranged at the top of the four extension rods (29). A storage cabinet (31) is fixedly connected to the top of the support plate (32). A sponge pad (33) is arranged inside the storage cabinet (31). The oxygen inhalation component includes two oxygen inhalation tubes (35) and two oxygen inhalation masks (36). The two oxygen inhalation tubes (35) and the two oxygen inhalation masks (36) are both clamped on the top of the sponge pad (33). Two placement racks (34) are arranged in the oxygen inhalation chamber (13). The two oxygen cylinders (16) are both clamped in the placement racks (34).

5. The carbon monoxide detector for tunnels according to claim 1, characterized in that: An observation frame (37) is arranged at the top of the housing (11). An observation window (38) is clamped inside the observation frame (37). Second dust-proof nets (47) are fixedly connected to both sides of the housing (11). A detachable maintenance door (39) is arranged at the opening of the detection chamber (12).

6. The carbon monoxide detector for tunnels according to claim 1, wherein: A fixing door (41) is arranged at the top of the housing (11). A sliding groove is formed at the top of the housing (11). A sliding door (42) is clamped in the sliding groove. A handle (43) is arranged at the top of the sliding door (42).

7. The carbon monoxide detector for tunnels according to claim 1, characterized in that: Four universal wheels (44) are arranged at the bottom of the housing (11). A push rod (45) is arranged at one end of the housing (11).

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