Natural gas concentration detection protection device

Abstract

The utility model relates to the technical field of gas detection, and particularly discloses a natural gas concentration detection protection device which is characterized in that the side wall of a gear is meshed with a rack, one end, close to a natural gas pipeline, of the rack is fixedly provided with a mounting rod, one end, away from the rack, of the mounting rod is fixedly provided with a connecting frame, and a connecting plate is rotatably mounted in the connecting frame; a fixing plate is rotatably mounted on the side wall of the connecting plate, a mounting plate is rotatably mounted on the side wall of the fixing plate, a valve is rotatably mounted on the side wall of the mounting plate, a transmission assembly is fixedly mounted on an output shaft of the bottom of a double-end motor, a rack drives a mounting rod to move from right to left, the mounting rod drives a connecting frame to move from right to left, and the connecting frame enables the mounting plate to overturn anticlockwise. The mounting plate is overturned anticlockwise to pull the valve from top to bottom, the valve moves from top to bottom to block the natural gas pipeline, natural gas cannot be conveyed from the interior of the natural gas pipeline, and the transmission assembly drives the fan blades to rotate anticlockwise, so that leaked natural gas is pumped out of a room, and a certain protection function is achieved.

Description

Technical Field

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

[0002] Natural gas refers to all gases that exist naturally in nature, including gases formed by various natural processes in the atmosphere, hydrosphere, and lithosphere. In petroleum geology, it usually refers to oilfield gas and gasfield gas. Its composition is mainly hydrocarbons and contains non-hydrocarbon gases.

[0003] For example, a Chinese patent discloses: a smoke concentration detection device for smoke treatment that is easy to install, patent number: CN217819886U, by setting up a smoke concentration detector, using the cooperation of the detection box and the control panel, the smoke concentration detector adjusts the requirements for smoke detection through the control panel, making the smoke concentration detector easy to use and operate, and at the same time, using the cooperation of the mounting block and the fixing rod, the detection box is easy to install inside the box body, and when it needs to be removed, the detection box is removed using the handle, and then the mounting block on the inner side of the mounting groove is removed and placed in the storage box, and then the detection box is moved by the handrail, which greatly increases the use range of the smoke concentration detection device and greatly increases the use efficiency of the smoke concentration detection device for smoke treatment.

[0004] However, during the implementation of the above technical solution, it was found that at least the following technical problems exist: as mentioned above, when the detected ambient smoke concentration is too high, the valve cannot be automatically closed and the smoke cannot be discharged. When the staff manually closes it, harmful gases in the smoke may be inhaled by the staff, seriously affecting their personal health. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a natural gas concentration detection and protection device to solve the technical problem as mentioned above that when the detected ambient smoke concentration is too high, the valve cannot be automatically closed and the smoke cannot be discharged. When the staff manually closes the valve, harmful gases in the smoke may be inhaled by the staff, seriously affecting their personal health.

[0007] (II) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A natural gas concentration detection and protection device comprises a natural gas pipeline, a protective cover is fixedly installed on the side wall of the natural gas pipeline, a natural gas sensor is fixedly installed inside the protective cover, a power supply is fixedly installed inside the protective cover, a power mechanism is fixedly installed on one end of the power supply close to the natural gas pipeline, and the power mechanism comprises a double-headed motor.

[0010] Preferably: a magnetic coupler is fixedly mounted on the top output shaft of the double-headed motor, a gear is fixedly mounted on the top of the magnetic coupler, and a rack is meshed on the side wall of the gear.

[0011] Preferably, a mounting rod is fixedly mounted on one end of the rack close to the gas pipeline, a connecting frame is fixedly mounted on one end of the mounting rod away from the rack, and a connecting plate is rotatably mounted inside the connecting frame.

[0012] Preferably, a fixing plate is rotatably mounted on the side wall of the connecting plate, and a mounting plate is rotatably mounted on the side wall of the fixing plate.

[0013] Preferably, a valve is rotatably mounted on the side wall of the mounting plate, a transmission assembly is fixedly mounted on the bottom output shaft of the double-headed motor, and a cross connecting rod is rotatably mounted on the top of the transmission assembly.

[0014] Preferably, an exhaust pipe is fixedly mounted on the side wall of the cross connecting rod, and a fan blade is fixedly mounted on one end of the transmission assembly away from the double-headed motor.

[0015] Preferably, a connecting rod is fixedly installed on the top of the gear, and a knocking block is fixedly installed on the top of the connecting rod.

[0016] Preferably, a mounting frame is fixedly mounted on the top of the protective cover, and a rattle is fixedly mounted on one end of the mounting frame away from the protective cover.

[0017] (III) Beneficial effects

[0018] 1. When the natural gas sensor senses that the natural gas concentration in the air is too high, the natural gas sensor transmits a signal to the power supply, and the power supply transmits electricity to the double-headed motor. The double-headed motor drives the magnetic coupler to rotate counterclockwise, and the magnetic coupler drives the gear to rotate counterclockwise. The gear causes the rack to move from right to left, and the rack drives the mounting rod to move from right to left. The mounting rod drives the connecting frame to move from right to left. The connecting frame flips the mounting plate counterclockwise, and the mounting plate flips counterclockwise to pull the valve from top to bottom, and the valve moves from top to bottom to block the gas pipeline, so that natural gas cannot be transmitted from the inside of the gas pipeline. The double-headed motor drives the transmission component to drive counterclockwise, and the transmission component drives the fan blades to rotate counterclockwise to suck out the leaked gas from the inside of the exhaust pipe, thereby extracting the leaked gas out of the room, which plays a certain protective function.

[0019] Second, the gear rotates counterclockwise, the gear drives the connecting rod to rotate counterclockwise, the connecting rod drives the knocking block to rotate counterclockwise, the knocking block knocks the bell, the bell produces a sound to remind the gas leakage, thereby achieving the function of reminding the gas leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0021] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0022] Figure 2 This is a valve structure diagram of the utility model;

[0023] Figure 3 This is a structural diagram of the motor of the utility model;

[0024] Figure 4 This is a structural diagram of the connecting plate of the utility model;

[0025] Figure 5 For the utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0026] Legend: 11. Gas pipeline; 12. Protective cover; 13. Natural gas sensor; 14. Power supply; 15. Double-headed motor; 16. Magnetic coupler; 17. Gear; 18. Rack; 19. Mounting rod; 21. Connecting frame; 22. Connecting plate; 23. Fixing plate; 24. Mounting plate; 25. Valve; 26. Transmission assembly; 27. Cross connecting rod; 28. Exhaust pipe; 29. ​​Fan blades; 31. Knocking block; 32. Mounting bracket; 33. Rattle. DETAILED DESCRIPTION

[0027] The embodiment of the present application provides a natural gas concentration detection and protection device, which effectively solves the problem that when the detected ambient smoke concentration is too high, the valve cannot be automatically closed to discharge the smoke. When the staff manually closes the valve, harmful gases in the smoke may be inhaled by the staff, seriously affecting the personal health of the staff. When the natural gas sensor senses that the natural gas concentration in the air is too high, the natural gas sensor transmits a signal to the power supply, and the power supply transmits electricity to the double-headed motor. The double-headed motor drives the magnetic coupler to rotate counterclockwise, and the magnetic coupler drives the gear to rotate counterclockwise. The gear causes the rack to move from right to left, and the rack drives the mounting rod to move from right to left. The mounting rod Drive the connecting frame to move from right to left, the connecting frame makes the mounting plate flip counterclockwise, the mounting plate flips counterclockwise to pull the valve from top to bottom, and moves the valve from top to bottom to block the gas pipeline, so that natural gas cannot be transmitted from the inside of the gas pipeline. The double-headed motor drives the transmission component to drive counterclockwise, and the transmission component drives the fan blades to rotate counterclockwise to suck out the leaked gas from the inside of the exhaust pipe, thereby achieving the goal of extracting the leaked gas out of the room, playing a certain protective function, through the counterclockwise rotation of the gear, the gear drives the connecting rod to rotate counterclockwise, the connecting rod drives the knocking block to rotate counterclockwise, the knocking block knocks the bell, and the bell makes a sound to remind the gas leakage, thereby achieving the function of reminding the gas leakage.

[0028] Example

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the technical solution in the embodiment of the present application effectively solves the technical problem that when the detected ambient smoke concentration is too high, the valve cannot be automatically closed to discharge the smoke. When the staff manually closes the valve, the harmful gases in the smoke may be inhaled by the staff, seriously affecting the personal health of the staff. The overall idea is as follows:

[0030] A natural gas concentration detection and protection device comprises a natural gas pipeline 11. A protection cover 12 is fixedly installed on the side wall of the natural gas pipeline 11. A natural gas sensor 13 is fixedly installed inside the protection cover 12 to protect the natural gas sensor 13.

[0031] A power source 14 is fixedly installed inside the protective cover 12. A power mechanism is fixedly installed at one end of the power source 14 close to the gas pipeline 11. The power mechanism includes a double-headed motor 15. The double-headed motor 15 is fixedly installed inside the protective cover 12. A magnetic coupler 16 is fixedly installed on the top output shaft of the double-headed motor 15. A gear 17 is fixedly installed on the top of the magnetic coupler 16. A rack 18 is meshed with the side wall of the gear 17. A mounting rod 19 is fixedly installed at one end of the rack 18 close to the gas pipeline 11. The mounting rod 19 is away from the rack 1 A connecting frame 21 is fixedly installed at one end of the double-headed motor 15, a connecting plate 22 is rotatably installed inside the connecting frame 21, a fixing plate 23 is rotatably installed on the side wall of the connecting plate 22, a mounting plate 24 is rotatably installed on the side wall of the fixing plate 23, the mounting plate 24 is located above the fixing plate 23, a valve 25 is rotatably installed on the side wall of the mounting plate 24, a transmission assembly 26 is fixedly installed on the output shaft at the bottom of the double-headed motor 15, a cross connecting rod 27 is rotatably installed on the top of the transmission assembly 26, an exhaust pipe 28 is fixedly installed on the side wall of the cross connecting rod 27, and a transmission assembly 26 is fixedly installed on the output shaft at the bottom of the double-headed motor 15. The fan blade 29 is fixedly installed at one end of the component 26 away from the double-headed motor 15. When the natural gas sensor 13 senses that the natural gas concentration in the air is too high, the natural gas sensor 13 transmits a signal to the power supply 14, and the power supply 14 transmits power to the double-headed motor 15. The double-headed motor 15 drives the magnetic coupler 16 to rotate counterclockwise, and the magnetic coupler 16 drives the gear 17 to rotate counterclockwise. The gear 17 makes the rack 18 move from right to left, and the rack 18 drives the mounting rod 19 to move from right to left. The mounting rod 19 drives the connecting rod 19 to rotate counterclockwise. The connecting frame 21 moves from right to left, and the connecting frame 21 causes the mounting plate 24 to flip counterclockwise. The mounting plate 24 flips counterclockwise to pull the valve 25 from top to bottom, and the valve 25 moves from top to bottom to block the gas pipeline 11, so that natural gas cannot be transmitted from the inside of the gas pipeline 11. The double-headed motor 15 drives the transmission component 26 to transmit counterclockwise, and the transmission component 26 drives the fan blades 29 to rotate counterclockwise to suck out the leaked gas from the inside of the exhaust pipe 28, thereby achieving the goal of extracting the leaked gas out of the room, which plays a certain protective function.

[0032] A connecting rod is fixedly installed on the top of the gear 17, a knocking block 31 is fixedly installed on the top of the connecting rod, a mounting bracket 32 ​​is fixedly installed on the top of the protective cover 12, and a rattle 33 is fixedly installed on the end of the mounting bracket 32 ​​away from the protective cover 12. When the gear 17 rotates counterclockwise, the gear 17 drives the connecting rod to rotate counterclockwise, and the connecting rod drives the knocking block 31 to rotate counterclockwise. The knocking block 31 knocks the rattle 33, and the rattle 33 produces a sound to remind of gas leakage, thereby achieving the function of reminding of gas leakage.

[0033] In view of the problems existing in the prior art, the utility model provides a natural gas concentration detection and protection device. When the natural gas sensor 13 senses that the natural gas concentration in the air is too high, the natural gas sensor 13 transmits a signal to the power supply 14, and the power supply 14 transmits power to the double-headed motor 15. The double-headed motor 15 drives the magnetic coupler 16 to rotate counterclockwise, and the magnetic coupler 16 drives the gear 17 to rotate counterclockwise. The gear 17 makes the rack 18 move from right to left, and the rack 18 drives the mounting rod 19 to move from right to left. The mounting rod 19 drives the connecting frame 21 to move from right to left, and the connecting frame 21 makes the mounting plate 24 flip counterclockwise, and the mounting plate 24 flips counterclockwise. The valve 25 is pulled from top to bottom, and the valve 25 moves from top to bottom to block the gas pipeline 11, and the natural gas cannot be transmitted from the inside of the gas pipeline 11. The double-headed motor 15 drives the transmission component 26 to drive counterclockwise, and the transmission component 26 drives the fan blades 29 to rotate counterclockwise to suck out the leaked gas from the inside of the exhaust pipe 28, thereby achieving the goal of extracting the leaked gas out of the room, playing a certain protective function, through the counterclockwise rotation of the gear 17, the gear 17 drives the connecting rod to rotate counterclockwise, the connecting rod drives the knocking block 31 to rotate counterclockwise, the knocking block 31 knocks the bell 33, and the bell 33 produces a sound to remind the gas leakage, thereby achieving the function of reminding the gas leakage.

[0034] Working principle:

[0035] In the first step, when the natural gas sensor 13 senses that the natural gas concentration in the air is too high, the natural gas sensor 13 transmits a signal to the power supply 14, and the power supply 14 transmits power to the double-headed motor 15. The double-headed motor 15 drives the magnetic coupler 16 to rotate counterclockwise, and the magnetic coupler 16 drives the gear 17 to rotate counterclockwise. The gear 17 makes the rack 18 move from right to left, and the rack 18 drives the mounting rod 19 to move from right to left. The mounting rod 19 drives the connecting frame 21 to move from right to left. The connecting frame 21 makes the mounting plate 24 flip counterclockwise, and the mounting plate 24 flips counterclockwise to pull the valve 25 from top to bottom, and the valve 25 moves from top to bottom to block the gas pipeline 11, so that natural gas cannot be transmitted from the inside of the gas pipeline 11. The double-headed motor 15 drives the transmission component 26 to transmit counterclockwise, and the transmission component 26 drives the fan blade 29 to rotate counterclockwise to suck the leaked gas out of the exhaust pipe 28, thereby achieving the purpose of extracting the leaked gas out of the room, playing a certain protective function.

[0036] In the second step, the gear 17 rotates counterclockwise, the gear 17 drives the connecting rod to rotate counterclockwise, the connecting rod drives the knocking block 31 to rotate counterclockwise, the knocking block 31 knocks the bell 33, and the bell 33 produces a sound to remind the gas leakage, thereby achieving the function of reminding the gas leakage.

[0037] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A natural gas concentration detection and protection device, comprising a natural gas pipeline (11), wherein a protective cover (12) is fixedly mounted on the side wall of the natural gas pipeline (11), characterized in that: A natural gas sensor (13) is fixedly installed inside the protective cover (12); Wherein, a power source (14) is fixedly installed inside the protective cover (12); A power mechanism is fixedly installed at one end of the power source (14) close to the gas pipeline (11), and the power mechanism includes a double-headed motor (15). The double-headed motor (15) is fixedly installed inside the protective cover (12).

2. A natural gas concentration detection and protection device as claimed in claim 1, characterized in that: A magnetic coupler (16) is fixedly mounted on the top output shaft of the double-headed motor (15); A gear (17) is fixedly mounted on the top of the magnetic coupler (16), and a rack (18) is meshed on the side wall of the gear (17).

3. A natural gas concentration detection and protection device as claimed in claim 2, characterized in that: A mounting rod (19) is fixedly mounted on one end of the rack (18) close to the gas pipeline (11); A connecting frame (21) is fixedly mounted on one end of the mounting rod (19) away from the rack (18), and a connecting plate (22) is rotatably mounted inside the connecting frame (21).

4. A natural gas concentration detection and protection device as claimed in claim 3, characterized in that: A fixing plate (23) is rotatably mounted on the side wall of the connecting plate (22); Wherein, a mounting plate (24) is rotatably mounted on the side wall of the fixing plate (23), and the mounting plate (24) is located above the fixing plate (23).

5. A natural gas concentration detection and protection device as claimed in claim 4, characterized in that: A valve (25) is rotatably mounted on the side wall of the mounting plate (24); Wherein, a transmission assembly (26) is fixedly mounted on the output shaft at the bottom of the double-headed motor (15), and a cross connecting rod (27) is rotatably mounted on the top of the transmission assembly (26).

6. A natural gas concentration detection and protection device as claimed in claim 5, characterized in that: An air extraction pipe (28) is fixedly mounted on the side wall of the cross connecting rod (27); Wherein, a fan blade (29) is fixedly mounted on one end of the transmission assembly (26) away from the double-headed motor (15).

7. A natural gas concentration detection and protection device as claimed in claim 6, characterized in that: A connecting rod is fixedly mounted on the top of the gear (17); Wherein, a knocking block (31) is fixedly installed on the top of the connecting rod.

8. A natural gas concentration detection and protection device as claimed in claim 7, characterized in that: A mounting frame (32) is fixedly mounted on the top of the protective cover (12); A rattle (33) is fixedly mounted on one end of the mounting frame (32) away from the protective cover (12).

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