Gas detection mechanism of water conservancy project rain sewage pump station

Abstract

The utility model belongs to the technical field of rainwater and sewage pump stations, and particularly discloses a gas detection mechanism of a water conservancy project rainwater and sewage pump station, which comprises a control box, a box door capable of being opened and closed is arranged on one side of the control box through a hinge, and an exhaust fan is fixedly mounted at the lower end in the control box. A gas detection sensor is installed above the exhaust fan and arranged in the control box, the exhaust fan is connected with the gas detection sensor through a guide pipe, the bottom of the exhaust fan is connected with a gas conveying pipe, the bottom of the gas conveying pipe is connected with a gas suction hood, and an arc-shaped clamping plate is arranged above the gas suction hood. The arc-shaped clamping plate is fixed to the outer side of an air conveying pipe connected with the top of the air suction cover in a sleeving mode, one end of the arc-shaped clamping plate is fixedly connected with an L-shaped connecting rod, an electric telescopic rod is arranged at the top end of the connecting rod in the vertical direction, and a rotating shaft is arranged at the top of the electric telescopic rod in a penetrating mode and installed on a lug of the installing base. And one end of the rotating shaft is connected with a driving motor through a coupling.

Description

Technical Field

[0001] The utility model relates to the technical field of rainwater and sewage pumping stations, in particular to a gas detection mechanism of a rainwater and sewage pumping station of a water conservancy project. Background Art

[0002] The rainwater and sewage pumping station is an important facility in the process of municipal management and construction. It can effectively handle large amounts of precipitation in the city, realize the discharge of rainwater and domestic sewage of citizens, create a good humanistic water conservancy environment for the people, and build a clean and tidy urban environment.

[0003] The water pool of the rainwater and sewage pumping station is used to collect rainwater and sewage. Rainwater and sewage accumulate in the underground water pool. When the pumping station is running, some toxic and flammable and explosive gases will be produced due to water treatment and other problems, such as: hydrogen sulfide, carbon monoxide, carbon dioxide, methane and other gases. The presence of these gases reduces the concentration of oxygen.

[0004] When emptying, cleaning and repairing structures with harmful or flammable gases (such as water pools, anaerobic pools and sludge pools), ventilation and air exchange measures must be taken, and operations can only be carried out after the flammable and harmful gas content meets safety regulations and is proven to be non-hazardous. Some toxic and flammable and explosive gases above the water pool pose a threat to the safety of operating managers and construction workers. Toxic gases need to be monitored and handled in a timely manner to prevent accidents. Summary of the invention

[0005] The utility model aims to provide a gas detection mechanism for a rainwater and sewage pumping station of a water conservancy project to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas detection mechanism of a rainwater and sewage pumping station of a water conservancy project, comprising a control box, a box door that can be opened and closed is provided on one side of the control box through a hinge, an exhaust fan is fixedly installed at the lower end of the interior of the control box, a gas detection sensor is installed above the exhaust fan and is arranged in the control box, a duct is arranged between the exhaust fan and the gas detection sensor, the bottom of the exhaust fan is connected to an air supply pipe, the air supply pipe is a deformable flexible hose, the bottom of the air supply pipe is connected to an air suction hood, an arc-shaped splint is provided above the air suction hood, the arc-shaped splint is fixed to the outside of the air supply pipe sleeved on the top of the air suction hood, one end of the arc-shaped splint is fixedly connected to an "L"-shaped connecting rod, an electric telescopic rod is provided at the top of the connecting rod in the vertical direction, a rotating shaft is penetrated through the top of the electric telescopic rod, the rotating shaft is installed on the ear seat of the mounting seat, and one end of the rotating shaft is connected to a driving motor through a coupling.

[0007] Preferably, a main control unit and a power module are provided in the control box, and the main control unit is electrically connected to the power module.

[0008] Preferably, a wiring block is provided in the control box, and the wiring block connects the main control unit and the gas detection sensor.

[0009] Preferably, a wireless communication module is provided in the main control unit, and the main control unit is connected to the liquid level sensor and the electric telescopic rod by wireless communication.

[0010] Preferably, the liquid level sensor is installed in a water pool, and a probe of the liquid level sensor is sunk to the bottom of the pool.

[0011] Preferably, the interior of the mounting seat is a hollow structure, a battery is arranged inside the mounting seat, the battery provides power for the electric telescopic rod, and the mounting seat is fixedly installed on the top of the water pool.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with a liquid level sensor to monitor the liquid level height of the water pool and transmit it to the main control unit, the main control unit adjusts the extension and contraction of the electric telescopic rod according to the signal, ensures that the suction hood is above the liquid level, can detect the gas concentration inside the underground water pool, and prevents the suction hood from entering below the liquid level, which may cause the exhaust fan to be polluted and damaged by the water inhalation, and a rotating shaft is also provided between the mounting seat and the electric telescopic rod, and the driving motor controls the rotation of the rotating shaft, so that the electric telescopic rod can change the movement range of the suction hood, and improve the accuracy of the gas detection concentration; the utility model uses the exhaust fan to inhale the gas in the water pool, and the gas enters the gas detection sensor through the gas transmission pipe for analysis and detection, and transmits the detection data to the main control unit, which is sent out by the main control unit. After the detection is completed, the gas flows back to the exhaust fan for exhaust, and then the gas is discharged through the gas transmission pipe, waiting for the next detection, and the exhaust fan and the gas detection sensor are controlled by the main control unit to operate regularly, so that periodic detection work can be achieved, which is simple and convenient, and there is no need to let the detection personnel take the portable detection instrument to the wellhead for measurement every time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the control box of the utility model;

[0015] Figure 3 This is a schematic diagram of the installation structure of the utility model.

[0016] In the figure: 1. control box; 2. box door; 3. exhaust fan; 4. gas detection sensor; 5. main control unit; 6. power module; 7. terminal block; 8. gas pipe; 9. suction hood; 10. arc clamp; 11. connecting rod; 12. electric telescopic rod; 13. mounting base; 14. battery; 15. ear seat; 16. rotating shaft; 17. driving motor; 18. liquid level sensor. DETAILED DESCRIPTION

[0017] 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.

[0018] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-3The utility model provides a technical solution: a gas detection mechanism of a rainwater and sewage pump station of a water conservancy project, comprising a control box 1, a door 2 that can be opened and closed is arranged on one side of the control box 1 through a hinge, an exhaust fan 3 is fixedly installed at the lower end of the control box 1, a gas detection sensor 4 is installed above the exhaust fan 3 and is arranged in the control box 1, a duct is arranged between the exhaust fan 3 and the gas detection sensor 4, the bottom of the exhaust fan 3 is connected to a gas pipe 8, the gas pipe 8 is a deformable flexible hose, and the gas pipe An air hood 9 is connected to the bottom of 8, and an arc-shaped clamping plate 10 is arranged above the air hood 9. The arc-shaped clamping plate 10 is fixed to the outside of the air supply pipe 8 sleeved on the top of the air hood 9, and one end of the arc-shaped clamping plate 10 is fixedly connected to an "L"-shaped connecting rod 11, and an electric telescopic rod 12 is arranged at the top of the vertical direction of the connecting rod 11. A rotating shaft 16 is penetrated through the top of the electric telescopic rod 12, and the rotating shaft 16 is installed on the ear seat 15 of the mounting seat 13. One end of the rotating shaft 16 is connected to a driving motor 17 through a coupling.

[0021] Furthermore, a main control unit 5 and a power module 6 are provided in the control box 1 , and the main control unit 5 is electrically connected to the power module 6 .

[0022] Furthermore, a wiring block 7 is provided in the control box 1 , and the wiring block 7 connects the main control unit 5 and the gas detection sensor 4 .

[0023] Furthermore, a wireless communication module is provided in the main control unit 5 , and the main control unit 5 is connected to the liquid level sensor 18 and the electric telescopic rod 12 by wireless communication.

[0024] Furthermore, the liquid level sensor 18 is installed in a water pool, and a probe of the liquid level sensor 18 is sunk to the bottom of the pool.

[0025] Furthermore, the interior of the mounting seat 13 is a hollow structure, and a battery 14 is arranged inside the mounting seat 13. The battery 14 provides power for the electric telescopic rod 12. The mounting seat 13 is fixedly installed on the top of the water pool.

[0026] Working principle: The utility model provides a gas detection mechanism for a rainwater and sewage pump station of a water conservancy project, including a control box 1, one side of the control box 1 is provided with an openable and closable box door 2 through a hinge, an exhaust fan 3 is fixedly installed at the lower end of the control box 1, a gas detection sensor 4 is installed above the exhaust fan 3 and is arranged in the control box 1, a duct is arranged between the exhaust fan 3 and the gas detection sensor 4, the bottom of the exhaust fan 3 is connected to an air supply pipe 8, the air supply pipe 8 is a deformable flexible hose, the bottom of the air supply pipe 8 is connected to an air suction hood 9, and an arc is arranged above the air suction hood 9. The arc splint 10 is fixed to the outside of the air delivery pipe 8 sleeved on the top of the suction hood 9, and one end of the arc splint 10 is fixedly connected to the "L"-shaped connecting rod 11, and the vertical top of the connecting rod 11 is provided with an electric telescopic rod 12, and the top of the electric telescopic rod 12 is penetrated by a rotating shaft 16, and the rotating shaft 16 is installed on the ear seat 15 of the mounting seat 13, and one end of the rotating shaft 16 is connected to the driving motor 17 through a coupling; when used specifically, the control box 1 is installed in the control room above the water pool, and the mounting seat 13 is installed on the wall at the top of the water pool, such as Figure 3 As shown, the air pipe 8 at the lower end of the control box 1 passes through the top wall of the water pool and extends into the water pool, and controls the air hood 9 at the bottom of the air pipe 8 to stay above the liquid level of the water pool. The liquid level sensor 18 monitors the liquid level of the water pool and transmits it to the main control unit 5. The main control unit 5 adjusts the extension and retraction of the electric telescopic rod 12 according to the signal to ensure that the air hood 9 is above the liquid level. It can detect the gas concentration inside the underground water pool and avoid the air hood 9 from entering below the liquid level, which may cause the exhaust fan 3 to be polluted and damaged by the sucked water. 3 sucks the gas in the water pool, and the gas enters the gas detection sensor 4 through the gas pipe 8 for analysis and detection, and transmits the detection data to the main control unit 5, which sends it out. After the detection is completed, the gas flows back to the exhaust fan 3 for exhaust, and then the gas is discharged through the gas pipe 8, waiting for the next detection; the main control unit 5 controls the exhaust fan 3 and the gas detection sensor 4 to work regularly, so that periodic detection work can be achieved, which is simple and convenient, and there is no need for the detection personnel to take the portable detection instrument to the wellhead for measurement every time.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas detection mechanism for a rainwater and sewage pumping station of a water conservancy project, characterized in that: The invention comprises a control box (1), one side of the control box (1) is provided with an openable and closable box door (2) via a hinge, an exhaust fan (3) is fixedly installed at the lower end of the control box (1), a gas detection sensor (4) is installed above the exhaust fan (3) and is arranged in the control box (1), a conduit is provided between the exhaust fan (3) and the gas detection sensor (4), the bottom of the exhaust fan (3) is connected to an air supply pipe (8), the air supply pipe (8) is a deformable flexible hose, the bottom of the air supply pipe (8) is connected to an air suction hood (9), and the air suction hood (9) is connected to the exhaust fan (3). ) is provided above the air intake hood (9), the arc-shaped clamping plate (10) being fixed to the outside of the air delivery pipe (8) sleeved on the top of the air intake hood (9), one end of the arc-shaped clamping plate (10) being fixedly connected to an "L"-shaped connecting rod (11), an electric telescopic rod (12) being provided at the top of the connecting rod (11) in the vertical direction, a rotating shaft (16) being provided through the top of the electric telescopic rod (12), the rotating shaft (16) being mounted on an ear seat (15) of the mounting seat (13), one end of the rotating shaft (16) being connected to a driving motor (17) via a coupling.

2. The gas detection mechanism of a rainwater and sewage pumping station of a water conservancy project according to claim 1 is characterized in that: A main control unit (5) and a power module (6) are arranged in the control box (1); the main control unit (5) is electrically connected to the power module (6).

3. The gas detection mechanism of a rainwater and sewage pumping station of a water conservancy project according to claim 2 is characterized in that: A wiring block (7) is provided in the control box (1), and the wiring block (7) connects the main control unit (5) and the gas detection sensor (4).

4. The gas detection mechanism of a rainwater and sewage pumping station of a water conservancy project according to claim 3 is characterized by: A wireless communication module is provided in the main control unit (5), and the main control unit (5) is connected to the liquid level sensor (18) and the electric telescopic rod (12) by wireless communication.

5. The gas detection mechanism of a rainwater and sewage pumping station of a water conservancy project according to claim 4 is characterized in that: The liquid level sensor (18) is installed in the water pool, and the probe of the liquid level sensor (18) is sunk to the bottom of the pool.

6. The gas detection mechanism of a rainwater and sewage pumping station of a water conservancy project according to claim 1 is characterized by: The interior of the mounting seat (13) is a hollow structure. A battery (14) is arranged inside the mounting seat (13). The battery (14) provides power for the electric telescopic rod (12). The mounting seat (13) is fixedly mounted on the top of the water pool.

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