An Internet of Things-based gas flow monitoring device

Abstract

This application relates to the technical field of flow meters, and specifically discloses a gas flow monitoring device based on the Internet of Things, including a housing, on which an air inlet port and an exhaust port are provided, and a debris discharge port is also provided on the housing; a gas flow meter is fixedly installed on the housing, the gas flow meter includes a monitoring end, and the gas flow meter is internally provided with an Internet of Things module; a steering mechanism is rotatably arranged in the inner cavity of the housing; a power mechanism is arranged at the bottom end of the housing and is connected to the steering mechanism; wherein, the steering mechanism further includes an air inlet hole and an exhaust hole, and a filter assembly is further arranged in the air inlet hole. The present invention can effectively filter impurities, automatically clean the filtering structure and remotely transmit information.

Description

Technical Field

[0001] The present invention relates to the technical field of flow meters, and specifically to a gas flow monitoring device based on the Internet of Things. Background Art

[0002] In many fields such as industrial production and energy management, accurate monitoring of gas flow is crucial; traditional gas flow monitoring devices have some common problems in practical applications. For example, the monitoring end is easily affected by impurities. Whether it is an ultrasonic transceiver module, a temperature sensor or a turbine in the form of a monitoring end, impurities will cause the accuracy of the gas flow meter to decline; moreover, at present, some devices lack an effective impurity filtering and cleaning mechanism, and cannot ensure long-term stable filtering effect. Manual frequent intervention is required to clean impurities, which not only increases labor costs, but also may affect the monitoring accuracy and the normal operation of the device due to untimely cleaning. At the same time, there is also a lack of a convenient data transmission function to achieve remote monitoring; therefore, a gas flow monitoring device based on the Internet of Things that can effectively filter impurities, automatically clean the filtering structure and remotely transmit information is needed. Summary of the Invention

[0003] An embodiment of the present application provides a gas flow monitoring device based on the Internet of Things, and the main purpose is to achieve a gas flow monitoring device that can effectively filter impurities, automatically clean the filtering structure and remotely transmit information.

[0004] To achieve the above object, an embodiment of the present application provides a gas flow monitoring device based on the Internet of Things, including:

[0005] A housing, on which an air inlet port and an air outlet port are provided, respectively used for connecting with an external pipeline, and a waste discharge port is also provided on the housing;

[0006] A gas flow meter, fixedly arranged on the housing, the gas flow meter includes a monitoring end, the monitoring end is located in the middle of the inner cavity of the housing, and the gas flow meter is built with an Internet of Things module;

[0007] A steering mechanism, rotatably arranged in the inner cavity of the housing, and the steering mechanism is clamped in the housing;

[0008] A power mechanism, arranged at the bottom end of the housing and connected to the steering mechanism;

[0009] Wherein, the steering mechanism further includes an air inlet hole and an air outlet hole, and a filter impurity component is further arranged in the air inlet hole. In the first state, the filtering performance of the filter impurity component is in a good state, and the filter impurity component corresponds to the position of the air inlet port. In the second state, the filtering performance of the filter impurity component is insufficient, and the filter impurity component turns to the waste discharge port and then stays at the position where it is in the first state.

[0010] In a feasible implementation manner, the steering mechanism further includes: an assembly cavity is opened in the middle of the steering mechanism; for assembling the gas flowmeter, the air inlet hole and the exhaust hole are respectively communicated with the assembly cavity, and the air inlet hole and the exhaust hole are not in the same straight line.

[0011] In a feasible implementation manner, the impurity filtering component includes: a movable cavity is opened in the air inlet hole, and the movable cavity is fan-shaped; one end of the frame is rotatably arranged in the movable cavity, and the frame rotates in a direction close to or away from the center of the housing; a filter screen is fixedly arranged in the frame and corresponds to the position of the air inlet port; the torsion part is fixedly arranged, and the torsion part is also connected to the rotating shaft of the frame to provide a torsion force for the filter screen to always turn towards the air inlet direction; a limiting insertion rod is fixedly arranged at the other end of the frame far from its own rotating end, and the other end of the limiting insertion rod extends to the outside of the steering mechanism and is clamped in the housing.

[0012] In a feasible implementation manner, the housing is further provided with: a limiting groove is opened on the inner wall of the housing, the limiting groove is arc-shaped and concentric with the rotating shaft of the frame, and the limiting insertion rod can be movably inserted into the limiting groove; a vibration groove is connected to the limiting groove and is located on the side of the limiting groove far from the exhaust port, and the limiting insertion rod can be movably inserted into the limiting groove; a steering groove is arc-shaped, the two ends of the steering groove are respectively connected to the other end of the limiting groove and the vibration groove, and the middle of the steering groove is concentric with the steering mechanism, and the limiting insertion rod can be movably inserted into the limiting groove.

[0013] In a feasible implementation manner, the impurity discharge port is strip-shaped, and an impact impurity discharge area is further arranged in the impurity discharge port, and the included angle between the impact impurity discharge area and the air inlet port is equal to the included angle between the air inlet hole and the exhaust hole.

[0014] In a feasible implementation manner, the whole or part of the vibration groove is located on the inner wall of the housing between the impact impurity discharge area and the air inlet port.

[0015] In a feasible implementation manner, the power mechanism includes: a positioning bottom plate is fixedly arranged at the bottom end of the housing; a ratchet ring is fixedly arranged on the inner wall of the positioning bottom plate; a central column is fixedly connected to the middle of the bottom end of the steering mechanism and is located inside the positioning bottom plate; a rotating shell is rotatably sleeved outside the central column; a torsion spring is arranged in the inner cavity of the rotating shell, the inner end is fixedly connected to the central column, and the outer end is fixedly connected to the rotating shell; a pawl is elastically rotatably arranged on the outer wall of the rotating shell and cooperates with the ratchet ring.

[0016] In a feasible implementation manner, a torsion sensor is disposed between the central column and the torsion spring, and the torsion sensor is also connected to the Internet of Things module.

[0017] In a feasible implementation manner, the power mechanism further includes a motor, and an output end of the motor is in transmission connection with the rotating shell to realize the automatic rotation of the rotating shell.

[0018] In a feasible implementation manner, a top plate is further fixedly disposed on an outer wall of the gas flowmeter, and the top plate is detachably buckled on a top end of the housing.

[0019] A gas flow monitoring device based on the Internet of Things provided by the present application can realize the normal inlet and outlet of gas and the discharge of impurities by providing an air inlet port, an exhaust port and a waste discharge port on the housing; the gas flowmeter can accurately monitor the gas flow rate, and ultrasonic, thermal or turbine gas flowmeters can be selected, with wide applicability, and the built-in Internet of Things module realizes the remote information transmission function; the filter component in the air inlet hole can effectively filter impurities, avoid the influence of impurities on the ultrasonic transceiver module, temperature sensor or turbine of the monitoring end, and prevent the accuracy of the gas flowmeter from decreasing; when the filtering performance of the filter component is insufficient, under the action of the power mechanism, it can turn to the waste discharge port to discharge impurities and then reset to ensure the continuity of the filtering effect. The whole device can automatically clean the filter component, effectively reduce manual intervention, accurately monitor the gas flow rate, ensure the stable operation of the device, improve the work efficiency and monitoring quality. Description of the Drawings

[0020] Figure 1 Shows a three-dimensional structural schematic diagram of the gas flow monitoring device based on the Internet of Things provided by the embodiment of the present application;

[0021] Figure 2 Shows a front view structural schematic diagram of the gas flow monitoring device based on the Internet of Things provided by the embodiment of the present application;

[0022] Figure 3 Shows a bottom view structural schematic diagram of the power mechanism provided by the embodiment of the present application;

[0023] Figure 4 Shows a structural schematic diagram of the rotating shell provided by the embodiment of the present application;

[0024] Figure 5 Shows a structural schematic diagram of the gas flowmeter provided by the embodiment of the present application;

[0025] Figure 6 Shows a cross-sectional structural schematic diagram of the gas flow monitoring device based on the Internet of Things provided by the embodiment of the present application in the horizontal direction;

[0026] Figure 7 Shows the present application Figure 6Enlarged view of the local structure at position A in

[0027] Figure 8 Shows a schematic structural diagram of the gas flow monitoring device based on the Internet of Things provided by the embodiment of the present application in one of the impurity removal states;

[0028] Figure 9 Shows a schematic structural diagram of the impurity filtering component provided by the embodiment of the present application;

[0029] Figure 10 Shows a schematic longitudinal sectional structural diagram of the gas flow monitoring device based on the Internet of Things provided by the embodiment of the present application;

[0030] Figure 11 Shows the present application Figure 9 Enlarged view of the local structure at position B in

[0031] In the figure: 10, housing; 20, gas flowmeter; 30, steering mechanism; 40, power mechanism; 11, intake port; 12, exhaust port; 13, impurity discharge port; 14, impact impurity discharge area; 15, limit groove; 16, vibration groove; 17, steering groove; 21, top plate; 22, monitoring end; 31, assembly cavity; 32, intake hole; 33, exhaust hole; 34, impurity filtering component; 41, positioning bottom plate; 42, ratchet ring; 43, central column; 44, torsion spring; 45, pawl; 46, rotating shell; 341, movable cavity; 342, frame; 343, filter screen; 344, torsion part; 345, limit insertion rod. Detailed implementation manners

[0032] In order to better understand the technical solutions provided by the embodiments of this specification, the technical solutions of the embodiments of this specification will be described in detail below through the drawings and specific embodiments. It should be understood that the specific features in the embodiments of this specification and the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. Without conflict, the technical features in the embodiments of this specification and the embodiments can be combined with each other.

[0033] In this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element. The term "more than two" includes two or more than two cases.

[0034] Please refer to Figures 1 to 11 As shown, a gas flow monitoring device based on the Internet of Things provided by the implementation of this application includes: a housing 10, a gas flow meter 20, a steering mechanism 30 and a power mechanism 40. An air inlet port 11 and an exhaust port 12 are provided on the housing 10, which are respectively used to connect with an external air supply pipeline. A waste discharge port 13 is also provided on the housing 10, and the function of the waste discharge port 13 is to discharge impurities to the outside of the device; the gas flow meter 20 is fixedly arranged on the housing 10. The gas flow meter 20 can adopt an ultrasonic flow meter, a thermal gas flow meter 20 and a turbine gas flow meter 20. This technical solution does not limit this. The gas flow meter 20 includes a monitoring end 22. When the gas flow meter 20 is an ultrasonic gas flow meter 20, the monitoring end 22 is an ultrasonic transmitting and receiving module. When the gas flow meter 20 is a thermal gas flow meter 20, the monitoring end 22 can be a group of temperature sensors. When the gas flow meter 20 is a turbine gas flow meter 20, the monitoring end 22 can be a mechanically rotating turbine. The monitoring end 22 is located in the middle of the inner cavity of the housing 10 and is mounted on any of the above-mentioned gas flow meters 20. The gas flow meter 20 is built-in with an Internet of Things module to provide a remote information transmission function; the steering mechanism 30 is rotatably arranged in the inner cavity of the housing 10, and the steering mechanism 30 is clamped in the housing 10; the power mechanism 40 is arranged at the bottom end of the housing 10 and is connected to the steering mechanism 30 to provide rotational kinetic energy for the power mechanism 40.

[0035] Among them, the ultrasonic transceiver module, temperature sensor, and turbine installed in the monitoring end 22 are all vulnerable to impurities, resulting in a decrease in the accuracy of the gas flowmeter 20. In response, the steering mechanism 30 further includes an air inlet 32 and an exhaust hole 33. A filter component 34 is also provided in the air inlet 32. In the first state, the filtering performance of the filter component 34 is in a good state, and the filter component 34 corresponds to the air inlet port 11. In the second state, the filtering performance of the filter component 34 is insufficient. After the filter component 34 turns to the impurity discharge port 13 and then stays at the position where it is located in the first state.

[0036] Specifically, in this gas flow monitoring device based on the Internet of Things, the housing 10 serves as the overall support structure. Its air inlet port 11 and exhaust port 12 are both used to connect external gas pipelines to ensure the inflow and outflow of gas, and the impurity discharge port 13 is used to discharge impurities. The gas flowmeter 20 is fixed on the housing 10, and its monitoring end 22 is located in the middle of the inner cavity of the housing 10 to accurately monitor the gas flow. The built-in Internet of Things module facilitates data transmission.

[0037] Among them, the steering mechanism 30 is rotatably arranged in the inner cavity of the housing 10 and is clamped in the housing 10. Its air inlet 32 and exhaust hole 33 are used for the flow of gas, enabling the gas to enter the interior of the steering mechanism 30, so as to come into contact with the monitoring end 22 of the gas flowmeter 20 to achieve measurement. In the first state, that is, in the working state, the filter component 34 in the air inlet 32 corresponds to the air inlet port 11 and can effectively filter the impurities in the incoming gas. As the working time of the filter component 34 increases, too much impurities accumulate on its surface, which will seriously affect the flow of the air current and the monitoring effect of the flow rate. Therefore, when too much impurities accumulate on the surface of the filter component 34, the filter component 34 is regarded as being in the second state. When the filtering performance of the filter component 34 is insufficient and it enters the second state, the air flow is blocked, and pressure is applied to the filter component 34. The filter component 34 then breaks away from the restriction of the housing 10 on it. The overall filter component 34 and the steering mechanism 30 rotate under the action of the power mechanism 40, turn to the impurity discharge port 13 to discharge the impurities and then return to the position in the first state to ensure the continuity of the filtering effect. The power mechanism 40 is arranged at the bottom end of the housing 10 and is connected to the steering mechanism 30 to provide power for the rotation of the steering mechanism 30.

[0038] During the working process, the gas enters from the air inlet port 11, passes through the filter component 34 in good condition in the air inlet 32 of the steering mechanism 30, and then enters the inner cavity of the housing 10. The gas flowmeter 20 monitors the flow rate. After that, the gas is discharged through the exhaust hole 33 and the exhaust port 12 of the steering mechanism 30. When the filter component 34 needs to clean impurities, the power mechanism 40 drives the steering mechanism 30 to rotate to the impurity discharge port 13 to complete the impurity discharge and then reset. This device can accurately monitor the gas flow rate, effectively filter impurities, and automatically clean the filter component 34 to ensure the stable operation of the device.

[0039] As Figure 6 , Figure 7 , Figure 8 and Figure 10 shown, in some examples, furthermore, the steering mechanism 30 further includes an assembly cavity 31, which is opened in the middle of the steering mechanism 30; for assembling the gas flowmeter 20, the air inlet hole 32 and the exhaust hole 33 are respectively communicated with the assembly cavity 31, and the air inlet hole 32 and the exhaust hole 33 are not in the same straight line.

[0040] In this example, the assembly cavity 31 in the middle of the steering mechanism 30 is used to assemble the gas flowmeter 20, providing a stable installation position for it; the air inlet hole 32 and the exhaust hole 33 are respectively communicated with the assembly cavity 31, so that gas can enter the area around the assembly cavity 31 through the air inlet hole 32 and then flow out through the exhaust hole 33; the setting that the air inlet hole 32 and the exhaust hole 33 are not in the same straight line enables the exhaust hole 33 to be connected to the air inlet port 11 during the rotation process, while ensuring that the air inlet hole 32 is in an exposed state. During operation, the air flow can enter the steering mechanism 30 from the exhaust hole 33 and then be discharged to the outside from the exposed air inlet hole 32. During this process, the air flow acts on the impurity filtering component 34 in the reverse direction, thus realizing an automatic and efficient reverse cleaning mechanism, utilizing the gas flow path in the device to achieve an efficient self-cleaning effect, and always ensuring that the air flow in contact with the monitoring end 22 of the gas flowmeter 20 is clean air flow, avoiding the situation of impurity attachment affecting the monitoring accuracy.

[0041] As Figures 6 to 11 shown, in some examples, furthermore, the impurity filtering component 34 includes: a movable cavity 341, a frame 342, a filter screen 343, a torsion part 344 and a limit insertion rod 345. The movable cavity 341 is opened in the air inlet hole 32, and the movable cavity 341 is fan-shaped; one end of the frame 342 is rotatably arranged in the movable cavity 341, and the frame 342 rotates in the direction close to or away from the center of the housing 10; the filter screen 343 is fixedly arranged in the frame 342 and corresponds to the position of the air inlet port 11; the torsion part 344 is fixedly arranged, and the torsion part 344 is also connected to the rotating shaft of the frame 342 to provide the filter screen 343 with a torsion force that always turns towards the air inlet direction; the limit insertion rod 345 is fixedly arranged at the other end of the frame 342 far from its rotating end, and the other end of the limit insertion rod 345 extends to the outside of the steering mechanism 30 and is clamped in the housing 10.

[0042] In this example, the fan-shaped movable cavity 341 provides space for the rotation of the frame 342 and is opened in the air inlet hole 32 to complete the entire impurity filtering process during the air intake. One end of the frame 342 is rotatably arranged in the movable cavity 341. When the filtering performance of the filter screen 343 deteriorates, that is, the air permeability is not high, it drives the frame 342 to rotate in the direction close to or away from the center of the housing 10. The filter screen 343 is a component for filtering impurities and directly filters the incoming gas. The torsion part 344 is fixedly arranged and connected to the rotating shaft of the frame 342, and its function is to continuously provide torsion for the filter screen 343 to turn towards the air intake direction, ensuring that the filter screen 343 is always in a position where it can filter the incoming air in the first state. The limit insertion rod 345 is fixed at the end of the frame 342 far from the rotating end, extends outward from the steering mechanism 30, and is clamped in the housing 10, used to limit the rotation of the frame 342 and the overall steering mechanism 30. That is to say, only when the air permeability of the filter screen 343 deteriorates, under the action of air pressure, the frame 342 and the limit insertion rod 345 rotate, thus releasing the position restriction of the housing 10 on the limit insertion rod 345, and under the action of the power mechanism 40, driving the filter screen 343 and the frame 342 to continue rotating for one week. The torsion part 344 makes the filter screen 343 return to the normal filtering position, and then the overall power mechanism 40, including the filter screen 343 and the limit insertion rod 345, returns to the working position of the first state again, thus ensuring the long-term effectiveness and stability of the filtering function and improving the performance of the entire device.

[0043] As Figure 9 As shown in the figure, in some examples, furthermore, the housing 10 is also provided with: a limit groove 15, a vibration groove 16, and a steering groove 17. The limit groove 15 is opened on the inner wall of the housing 10. The limit groove 15 is arc-shaped and concentric with the rotating shaft of the frame 342. The limit insertion rod 345 can be movably inserted into the limit groove 15. The vibration groove 16 is connected to the limit groove 15 and is located on the side of the limit groove 15 far from the exhaust port 12. The limit insertion rod 345 can be movably inserted into the limit groove 15. The steering groove 17 is arc-shaped. The two ends of the steering groove 17 are respectively connected to the limit groove 15 and the other end of the vibration groove 16. The middle of the steering groove 17 is concentrically arranged with the steering mechanism 30. The limit insertion rod 345 can be movably inserted into the limit groove 15.

[0044] In this example, the limiting groove 15 on the housing 10 is arc-shaped and concentric with the rotation axis of the frame 342, so that the limiting insertion rod 345 can move in the limiting groove 15 on the housing 10 while rotating following the frame 342. In the opening direction of the limiting groove 15, it can prevent the limiting insertion rod 345 and the overall steering mechanism 30 from rotating, ensuring that the filter impurity assembly 34 can only rotate when in the second state; the vibration groove 16 is connected to the limiting groove 15 and is located on the side away from the exhaust port 12. When the filter impurity assembly 34 is in the second state, the limiting insertion rod 345 first gets out of the restriction of the limiting groove 15 and then enters the vibration groove 16. The vibration groove 16 can guide the movement of the limiting insertion rod 345, causing the frame 342 to vibrate and assisting in the pre-shedding of impurities; then the limiting insertion rod 345 enters the steering groove 17. The steering groove 17 is arc-shaped, with both ends connected to the limiting groove 15 and the other end of the vibration groove 16 respectively to form a closed through groove. The middle of the steering groove 17 is concentric with the steering mechanism 30. Therefore, the limiting insertion rod 345 and the overall filter screen 343 can have a relatively fast speed during rotation and generate a centrifugal force to throw out the already-shed impurities outside the housing 10, and then enter the limiting groove 15 again through the steering groove 17 for another air filtration operation. Thus, the overall closed slot forms a complete path for the limiting insertion rod 345 to return from the limiting groove 15 to the vibration groove 16 and then back through the steering groove 17, ensuring the rotational coherence of the frame 342 during the entire impurity discharge process; achieving effective impurity discharge, improving the device's ability to handle impurities, and ensuring the long-term stable operation of the gas flow monitoring device.

[0045] As Figure 2 , Figure 6 and Figure 8 shown, in some examples, furthermore, the impurity discharge port 13 is strip-shaped, and an impact impurity discharge area 14 is also provided in the impurity discharge port 13. The included angle between the impact impurity discharge area 14 and the intake port 11 is equal to the included angle between the intake hole 32 and the exhaust hole 33.

[0046] In this example, it should be noted that the impurity discharge port 13 is strip-shaped, forming a large-scale impurity discharge area to ensure sufficient impurity discharge space during the rotation of the filter screen 343. The impact impurity discharge area 14 plays an important role. Since the angle between it and the air inlet port 11 is equal to the angle between the air inlet hole 32 and the exhaust hole 33, when the filter impurity component 34 is saturated with impurities and turns to the impurity discharge port 13 together with the overall steering mechanism 30, the gas entering from the air inlet direction can impact the impact impurity discharge area 14 along the channel direction formed by the exhaust hole 33, the assembly cavity 31, and the air inlet hole 32. During the rotation of the steering mechanism 30, in one stage, the air inlet port 11 is closed, then the pressure in the external pipeline of the air inlet will increase, and then the exhaust hole 33 is connected to the air inlet port 11. The pressurized air flow can generate a strong impact force on the impurities, more effectively peel off the impurities attached to the filter impurity component 34 and discharge them through the impurity discharge port 13. Therefore, the setting of this example can enhance the impurity discharge effect, reduce impurity residue, ensure the filtering performance of the filter impurity component 34, thus maintaining the stable operation of the entire gas flow monitoring device and improving the reliability and service life of the device.

[0047] As Figure 9 and Figure 11 shown, in some examples, furthermore, the whole or part of the vibration groove 16 is located on the inner wall of the housing 10 between the impact impurity discharge area 14 and the air inlet port 11.

[0048] It can be understood that a part of the vibration groove 16 or the whole vibration groove 16 is located on the inner wall of the housing 10 between the impact impurity discharge area 14 and the air inlet port 11. When the filter impurity component 34 is discharging impurities, the limit insertion rod 345 moves in the vibration groove 16, driving the frame 342 and the filter screen 343 to vibrate, and then using the air flow entering from the air inlet port 11 to strongly blow out the impurities from the impact impurity discharge area 14. Therefore, the limit insertion rod 345 passing through the vibration groove 16 drives the frame 342 to generate stronger vibrations. This vibration helps to loosen the impurities on the filter screen 343 and the filter impurity component 34, and under the further action of the air flow in the impact impurity discharge area 14, the impurities are more easily peeled off and discharged.

[0049] As Figure 3 , Figure 4 and Figure 10As shown, in some examples, furthermore, the power mechanism 40 includes: a positioning base plate 41, a ratchet ring 42, a central column 43, a torsion spring 44, a pawl 45, and a rotating shell 46. The positioning base plate 41 is fixedly arranged at the bottom end of the housing 10; the ratchet ring 42 is fixedly installed on the inner wall of the positioning base plate 41; the central column 43 is fixedly connected to the middle of the bottom end of the steering mechanism 30 and is located within the positioning base plate 41; the rotating shell 46 is rotatably sleeved outside the central column 43; the torsion spring 44 is arranged in the inner cavity of the rotating shell 46, with the inner end fixedly connected to the central column 43 and the outer end fixedly connected to the rotating shell 46; the pawl 45 is elastically rotatably arranged on the outer wall of the rotating shell 46 and cooperates with the ratchet ring 42.

[0050] In the power mechanism 40 provided in this example, the positioning base plate 41 serves as the fixed foundation of the entire power mechanism 40; the ratchet ring 42 is fixed to the inner wall of the positioning base plate 41 and cooperates with the pawl 45 to limit the rotation direction; the central column 43 is fixed in the middle of the bottom end of the steering mechanism 30 and is located within the positioning base plate 41, playing a role in connecting the steering mechanism 30 and the ratchet ring 42; the rotating shell 46 is rotatably sleeved outside the central column 43 and is a key component for power transmission. Workers can directly apply manual force to drive the rotating shell 46 to rotate; the torsion spring 44 is arranged in the inner cavity of the rotating shell 46, and its function is to store and release energy, providing torsion for the rotation of the steering mechanism 30 and the filter screen 343; the pawl 45 is elastically rotatably arranged on the outer wall of the rotating shell 46 and cooperates with the ratchet ring 42. When the steering mechanism 30 needs to rotate, manually drive the rotating shell 46 to rotate. The pawl 45 acts on the ratchet ring 42 by overcoming the elastic force under the action of the rotating force of the rotating shell 46, so that the overall rotating shell 46 can only rotate in one direction. After rotation, the torsion spring 44 twists and deforms to store energy. During the re - energy storage process, it can provide the torsion to cause the steering mechanism 30 to rotate multiple circles, so as to realize actions such as automatic steering when the filter impurity component 34 is in a state of impurity saturation, ensuring that the filter impurity component 34 can quickly rotate to discharge impurities when needed.

[0051] In some examples, furthermore, a torsion sensor (not shown in the figure) is arranged between the central column 43 and the torsion spring 44, and the torsion sensor is also connected to the Internet of Things module.

[0052] In this example, the torsion sensor is arranged between the central column 43 and the torsion spring 44 and is connected to the Internet of Things module. The function of the torsion sensor is to detect the magnitude of the torsion borne by the torsion spring 44, and notify the staff to come for winding operation when needed, so that the power mechanism 40 always stores the kinetic energy for the steering mechanism 30 to rotate. Through the Internet of Things module, it is also possible to know whether the rotation resistance of the rotating shell 46 is abnormal, etc., which helps to detect potential faults in advance, ensure the normal operation of the steering mechanism 30 in the entire gas flow monitoring device, and improve the maintenance efficiency and operation stability of the equipment.

[0053] In some examples, furthermore, the power mechanism 40 further includes a motor (not shown in the figure), and the output end of the motor is drivingly connected to the rotating shell 46 to realize the automatic rotation of the rotating shell 46.

[0054] In this example, a motor is further added. As a new component of the power mechanism 40, the output end of the motor is drivingly connected to the rotating shell 46; this can further improve the convenience of using this device. For example, when this device is installed in a remote location, there is no need for manual visits to maintain the device for the operation of winding up and storing energy. By starting the motor to drive the rotating shell 46 to rotate, the automation degree and efficiency of the operation of the entire device are improved, and the need for manual intervention is reduced.

[0055] As Figure 1 、 Figure 2 and Figure 5 As shown in

[0056] It can be understood that the top plate 21 is fixed on the outer wall of the gas flowmeter 20 and is detachably buckled on the top end of the housing 10; the main function of the top plate 21 is to play a dual role of protecting and fixing the gas flowmeter 20; on the one hand, it can prevent external objects from directly contacting the monitoring end 22 component of the gas flowmeter 20 and avoid physical damage to it; on the other hand, by being buckled on the top end of the housing 10 and not rotating synchronously with the steering mechanism 30, the position of the gas flowmeter 20 in the housing 10 is further stabilized, preventing displacement, and it is also more conducive to the replacement and maintenance of the flowmeter.

[0057] The above are only the embodiments of the present application and are not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims

1. A gas flow monitoring device based on the Internet of Things, characterized in that: include: A shell (10), wherein the shell (10) is provided with an air inlet port (11) and an air outlet port (12), which are respectively used to be connected to an external pipeline, and the shell (10) is also provided with a debris discharge port (13); A gas flow meter (20) is fixedly mounted on the housing (10), the gas flow meter (20) comprises a monitoring end (22), the monitoring end (22) is located in the middle of the inner cavity of the housing (10), and the gas flow meter (20) has a built-in Internet of Things module; A steering mechanism (30) is rotatably disposed in the inner cavity of the housing (10), and the steering mechanism (30) is snap-connected in the housing (10); A power mechanism (40) is disposed at the bottom end of the housing (10) and is connected to the steering mechanism (30); The steering mechanism (30) further comprises an air inlet (32) and an air outlet (33); a filter assembly (34) is further arranged in the air inlet (32); in a first state, the filter assembly (34) has a good filtering performance, and the position of the filter assembly (34) corresponds to the air inlet port (11); in a second state, the filter assembly (34) has an insufficient filtering performance, and the filter assembly (34) and the steering mechanism (30) rotate under the action of the power mechanism (40), and turn to the impurity outlet (13) to discharge impurities and then return to the position in the first state; The power mechanism (40) comprises: A positioning base plate (41) fixedly disposed at the bottom end of the housing (10); A ratchet ring (42) is fixedly mounted on the inner wall of the positioning base plate (41); A center column (43) is fixedly connected to the middle of the bottom end of the steering mechanism (30) and is located inside the positioning base plate (41); A rotating shell (46) rotatably sleeved on the outer side of the central column (43); a torsion spring (44), arranged in the inner cavity of the rotating shell (46), with an inner end fixedly connected to the central column (43) and an outer end fixedly connected to the rotating shell (46); The ratchet pawl (45) is elastically rotatably arranged on the outer wall of the rotating shell (46) and cooperates with the ratchet ring (42).

2. The gas flow monitoring device based on the Internet of Things according to claim 1, characterized in that: The steering mechanism (30) further comprises: An assembly cavity (31) is provided in the middle of the steering mechanism (30); and is used for assembling the gas flow meter (20); the air inlet (32) and the air outlet (33) are respectively connected to the assembly cavity (31); and the air inlet (32) and the air outlet (33) are not in the same straight line.

3. The gas flow monitoring device based on the Internet of Things according to claim 1, characterized in that: The filter assembly (34) comprises: An active cavity (341) is provided in the air inlet hole (32), and the active cavity (341) is arranged in a fan shape; a frame (342), one end of which is rotatably disposed in the movable cavity (341), and the frame (342) rotates toward or away from the center of the shell (10); A filter screen (343) is fixedly mounted in the frame (342) and corresponds to the position of the air inlet port (11); The torsion part (344) is fixedly arranged, and the torsion part (344) is also connected to the rotating shaft of the frame (342) to provide the filter screen (343) with a torsion force that always turns to the air intake direction; The limiting plug rod (345) is fixedly arranged on the other end of the frame (342) away from its own rotating end. The other end of the limiting plug rod (345) extends to the outside of the steering mechanism (30) and is clamped in the shell (10).

4. A gas flow monitoring device based on the Internet of Things according to claim 3, characterized in that: The housing (10) is also provided with: A limiting groove (15), the limiting groove (15) being formed on the inner wall of the housing (10), the limiting groove (15) being arc-shaped and being concentric with the rotation axis of the frame (342), and the limiting insertion rod (345) being able to be movably inserted into the limiting groove (15); A vibration groove (16) connected to the limiting groove (15) and located on a side of the limiting groove (15) away from the exhaust port (12), and the limiting insertion rod (345) can be movably inserted into the limiting groove (15); The steering groove (17) is arranged in an arc shape, and the two ends of the steering groove (17) are respectively connected to the limit groove (15) and the other end of the vibration groove (16), the middle part of the steering groove (17) is arranged concentrically with the steering mechanism (30), and the limit insertion rod (345) can be movably inserted into the limit groove (15).

5. A gas flow monitoring device based on the Internet of Things according to claim 4, characterized in that: The impurity discharge port (13) is strip-shaped, and an impulsive impurity discharge area (14) is also provided in the impurity discharge port (13), and the angle between the impulsive impurity discharge area (14) and the air inlet port (11) is equal to the angle between the air inlet hole (32) and the air outlet hole (33).

6. A gas flow monitoring device based on the Internet of Things according to claim 5, characterized in that: The entire or a portion of the vibration groove (16) is located on the inner wall of the housing (10) between the impact impurity removal area (14) and the air intake port (11).

7. A gas flow monitoring device based on the Internet of Things according to claim 6, characterized in that: A torsion sensor is provided between the central column (43) and the torsion spring (44), and the torsion sensor is also connected to the Internet of Things module.

8. The gas flow monitoring device based on the Internet of Things according to claim 1, characterized in that: The power mechanism (40) also includes a motor, the output end of which is transmission-connected to the rotating shell (46) to realize automatic rotation of the rotating shell (46).

9. The gas flow monitoring device based on the Internet of Things according to claim 1, characterized in that: A top plate (21) is also fixedly arranged on the outer wall of the gas flow meter (20), and the top plate (21) is detachably buckled on the top end of the housing (10).

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