An exhaust valve with pressure monitoring function

Abstract

This application relates to the field of exhaust valve technology, and in particular to an exhaust valve with pressure monitoring function. It includes a hollow valve body with an inlet and an outlet. A controller is mounted on the valve body, and a connecting pipe is installed at the inlet. A polygonal guide post is installed inside the valve body, and a riser tube and a float ring are slidably mounted on the guide post from top to bottom. A pressure sensor and a liquid level sensor are mounted on the riser tube from top to bottom. A pressure sensor is mounted on the side of the float ring facing the riser tube. The pressure sensor, liquid level sensor, and pressure sensor are all electrically connected to the controller. A power supply component for powering the controller is mounted on the valve body. A flow control component is installed between the anti-detachment plate and the float ring. A speed control component is mounted on the float box, and a liquid blocking component is mounted on the valve body. This application offers the advantages of convenient monitoring and improved maintenance efficiency.

Description

Technical Field

[0001] This application relates to the field of exhaust valve technology, and in particular to an exhaust valve with pressure monitoring function. Background Technology

[0002] The core function of a water pipe air vent valve is to remove excess gas from the pipe, maintain stable system operation, and prevent air blockage and pipe damage. A water pipe air vent valve is a key device used to control and regulate the gas pressure in a pipe or container. Its main function is to discharge excess gas or draw in air to maintain system pressure balance, ensuring the stability of fluid transport and equipment safety.

[0003] Traditional air release valves mainly achieve automatic air release through float mechanisms or mechanical springs. As a result, air release valves can only achieve automatic air release under specific pressure conditions. However, in actual pipeline use, the pressure conditions in different pipelines are inconsistent and fluctuate constantly. Therefore, traditional air release valves have poor adaptability and cannot monitor the specific pressure changes in the pipeline in real time, resulting in low efficiency for subsequent pipeline maintenance and fault diagnosis, and thus have shortcomings. Summary of the Invention

[0004] To address the problems of traditional exhaust valves, this application provides an exhaust valve with pressure monitoring functionality.

[0005] The exhaust valve with pressure monitoring function provided in this application adopts the following technical solution:

[0006] An exhaust valve with pressure monitoring function includes a hollow valve body with an air inlet and an air outlet. A controller is mounted on the valve body. A connecting pipe is provided at the air inlet for connecting to a water pipe. A polygonal guide post is disposed within the valve body. A lifting tube and a float ring are slidably mounted on the guide post from top to bottom. A pressure sensor and a liquid level sensor are sequentially mounted on the lifting tube from top to bottom. A pressure sensor is disposed on the side of the float ring facing the lifting tube. The pressure sensor, liquid level sensor, and pressure sensor are all electrically connected to the controller. A power supply component for powering the controller is provided on the valve body. A float box is vertically slidably mounted on the float ring, and a power supply for the controller is provided on the float ring. The float box has a sliding trough. Multiple raised blocks are spaced circumferentially along the axis of the float ring at the air inlet of the valve body. These raised blocks abut against the top of the float ring. A connecting rod connects the float box and the lifting pipe. The outer diameter of the float ring is smaller than the inner diameter of the connecting pipe. An anti-detachment plate is provided on the connecting pipe to support the float ring. The outer diameter of the float ring is larger than the diameter of the air inlet. A flow control element is provided between the anti-detachment plate and the float ring to control the flow rate of air or liquid passing between the anti-detachment plate and the float ring. A speed control component is provided on the float box to reduce the impact force of the float ring on the valve body. A liquid blocking component is provided on the valve body to prevent liquid from flowing out of the valve body.

[0007] By adopting the above technical solution, the power supply component supplies power to the controller. When air appears in the water pipe, under the speed regulation action of the flow control component, the air is discharged out of the water pipe in sequence along the connecting pipe, the gap between the float and the connecting pipe, the air inlet, the inside of the valve body, and the air outlet, thereby reducing the impact of air on the water flow in the water pipe. During this process, the readings of the pressure sensor and the liquid level sensor remain almost unchanged, while the air pressure sensor detects the dynamic changes in the air pressure in the water pipe. When water flows into the connecting pipe, the buoyancy of the water causes the float to slide. The sliding float drives the lifting pipe to rise through the connecting rod. The lifting pipe and the pressure sensor... When the sensing end separates, the pressure sensor reading changes until the guide post abuts against the float ring. As the liquid level in the connecting pipe rises, the float box pushes the float ring against the convex block at the air inlet of the valve body. The liquid level in the connecting pipe enters the valve body until the liquid level sensor on the riser pipe is triggered. At this time, the liquid blocking component prevents the liquid in the valve body from flowing out of the air outlet. During this process, the air pressure sensor feeds back the air pressure change caused by the liquid level in the water pipe. This allows maintenance personnel to monitor the specific pressure changes in the water pipe in real time through the controller, thereby improving the efficiency of subsequent pipeline maintenance and fault diagnosis.

[0008] Optionally, the power supply assembly includes an internal tube disposed on the guide post, the internal tube being placed inside a water pipe, a protective box disposed on the valve body, a controller disposed inside the protective box, one end of the guide post facing away from the internal tube communicating with the protective box, an inner tube coaxially rotatably disposed on the inner wall of the internal tube, a rotor coaxially sleeved on the outer wall of the inner tube, multiple blades evenly disposed circumferentially on the inner wall of the inner tube, a stator disposed on the inner wall of the internal tube opposite to the rotor, a wire connecting the stator and the controller, a through hole for the wire to pass through being opened in the guide post along its length direction, and a waterproof component for sealing being disposed between the internal tube and the inner tube.

[0009] By adopting the above technical solution, after the worker installs the valve body on the water pipe through the connecting pipe, one end of the guide column will enter the water pipe with the inner tube. When the water in the water pipe is being transported, the flowing water will flow through the inner diameter of the inner tube and impact the blades. At this time, the blades will drive the inner tube to rotate under the action of the water flow. The rotating inner tube will drive the rotor to rotate synchronously. At this time, the coil on the stator will be cut by the magnetic field lines on the rotor. The current generated by the stator will be transmitted to the controller through the wires, so that the air pressure sensor, liquid level sensor and pressure sensor are all energized. In this process, there is no need for workers to set up additional wiring, which helps to reduce the investment cost of the equipment.

[0010] Optionally, the waterproof component includes an anti-detachment ring detachably disposed at the end of the inner tube, a bearing is provided between the end of the inner tube and the anti-detachment ring, and sealing rings are provided between the inner tube and the anti-detachment ring, and between the end of the inner tube and the anti-detachment ring.

[0011] By adopting the above technical solution, the possibility of water flowing into the stator and rotor from the water pipe and causing equipment damage is reduced, which is conducive to improving the stability of power supply to the controller.

[0012] Optionally, the flow control device includes a convex ring disposed on the anti-detachment plate, and a plurality of thin partitions are disposed on the floating ring. The plurality of thin partitions are evenly distributed circumferentially along the axis of the floating ring, and there is a gap between two adjacent thin partitions. The thin partitions are used to abut against the convex ring.

[0013] By adopting the above technical solution, during the process of air flowing into the connecting pipe from the water pipe, the air flows through the gap between two adjacent thin partitions. Under the gravity of the float ring, the float ring will not slip, and the air flows normally. When water flows into the connecting pipe from the water pipe, the gap between two adjacent thin partitions will greatly hinder the flow of water. The water pressure will push up the float ring, and as the water flows into the connecting pipe, the buoyancy of the float box will gradually overcome the gravity of the float ring. The float ring will drive the thin partitions away from the protruding ring on the anti-detachment plate. At this time, the water can flow into the connecting pipe quickly.

[0014] Optionally, the speed control component includes a rubber ring bladder fitted onto the float box. A groove for accommodating the rubber ring bladder is formed on the circumferential outer wall of the float box. A buffer ring is slidably fitted onto the groove of the float box. A buffer rod is provided on the side of the buffer ring facing away from the rubber ring bladder. The buffer rod is used to abut against the inner top wall of the float groove of the float ring. When the float ring abuts against the convex block and the buffer ring squeezes the rubber ring bladder, the rubber ring bladder abuts against the inner wall of the connecting pipe. A draining device is provided on the connecting rod. The draining device is used to slowly release the pressure between the valve body and the connecting pipe.

[0015] By adopting the above technical solution, when the float ring abuts against the convex block, the buffer rod abuts against the top wall of the float ring's float groove. Under the action of the drainage component, the pressure at the bottom of the float box is slowly released, which causes the water pressure from the water pipe to be slowly released. Therefore, the pressure at the bottom of the float box is constantly increasing, and the float box continues to rise. Under the obstruction of the buffer ring, the rubber ring bladder is squeezed and deformed. The deformed rubber ring bladder abuts against the inner wall of the connecting pipe, thereby reducing the possibility of the water pressure in the water pipe rapidly diffusing into the valve body.

[0016] Optionally, one end of the connecting rod facing away from the lifting tube extends to the lower surface of the float box. The drainage component includes a vertical groove at the bottom of the connecting rod and a horizontal groove on the outer side wall of the connecting rod. The horizontal groove communicates with the vertical groove. When the rubber ring abuts against the inner side wall of the connecting tube, the horizontal groove is located above the float ring.

[0017] By adopting the above technical solution, when the deformed rubber ring abuts against the inner wall of the connecting pipe, the water pressure in the connecting pipe can only flow into the valve body in sequence along the vertical and horizontal grooves, so that the liquid level in the valve body rises slowly, thus providing enough time for the liquid level sensor to respond. At the same time, the air that flows in later in the water pipe can enter the valve body through the vertical and horizontal grooves, so that the valve body in this state can still achieve the function of venting.

[0018] Optionally, the inner bottom wall of the pontoon is provided with an air-gathering plate with an inverted V-shaped cross-section, and the vertical groove at the bottom of the connecting rod is connected to the V-shaped concave side of the air-gathering plate.

[0019] By adopting the above technical solution, the air in the water pipe can quickly enter the valve body through the vertical and horizontal grooves and then be discharged to the outside of the valve body.

[0020] Optionally, the liquid-blocking assembly includes a top plate sleeved on the guide post, an mounting ring plate provided on the inner side wall of the valve body, a limiting ring tube provided on the mounting ring plate, a venting cone ring provided between the limiting ring tube and the top plate, a plurality of venting holes circumferentially opened on the venting cone ring along its axis, the diameter of the venting cone ring gradually decreasing along the direction from the mounting ring plate to the top plate, an inner resistance ring tube provided on the lifting pipe, an elastic diaphragm provided between the inner resistance ring tube and the mounting ring plate, the diameter of the inner resistance ring tube gradually decreasing along the direction from the mounting ring plate to the top plate, a plurality of overflow holes circumferentially opened on the inner resistance ring tube along its axis, a locking member provided on the top plate, the locking member being used to fix the inner resistance ring tube on the venting cone ring, when the circumferential outer side wall of the inner resistance ring tube abuts against the circumferential inner side wall of the limiting ring tube, the venting holes and the overflow holes are misaligned.

[0021] By adopting the above technical solution, when the float box does not slide, the air flowing into the connecting pipe will flow into the valve body in the order of air inlet, overflow hole, and vent hole on the limiting ring pipe. When the deformed rubber ring bladder abuts against the inner wall of the connecting pipe, the air flowing into the connecting pipe will flow into the valve body in the order of vertical groove, horizontal groove, air inlet, overflow hole, and vent hole on the limiting ring pipe. During the rising process of the riser pipe, the elastic ring membrane is continuously stretched, and the water is confined within the elastic ring membrane. When the liquid level sensor is triggered, the locking component fixes the inner resistance ring pipe on the vent cone ring. Since the vent hole and overflow hole are misaligned, the air in the limiting ring pipe cannot be discharged at this time, and the liquid level in the limiting ring pipe gradually cannot rise, thereby achieving the function of preventing water in the water pipe from flowing out of the valve body.

[0022] Optionally, the locking element includes an electromagnet disposed on the top plate and electrically connected to the controller, and a permanent magnet is disposed on the lifting tube.

[0023] By adopting the above technical solution, when the liquid level sensor is triggered, the controller starts the electromagnet, the electromagnet attracts the permanent magnet, and the permanent magnet drives the lifting tube to continue to rise. During this process, the elastic ring membrane continues to be stretched, and at the same time, the rubber ring bladder continues to be squeezed and deformed.

[0024] Optionally, the protective enclosure is equipped with a battery and a wireless transmission module, both of which are electrically connected to the controller.

[0025] By adopting the above technical solutions, maintenance personnel can remotely monitor the equipment, reducing the difficulty of sequential inspections and facilitating targeted maintenance work, thereby improving their work efficiency.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] 1. The power supply component powers the controller. When air enters the water pipe, under the speed regulation of the flow control device, the air is discharged out of the water pipe in sequence through the connecting pipe, the gap between the float and the connecting pipe, the air inlet, the inside of the valve body, and the air outlet. This reduces the impact of air on the water flow in the pipe. During this process, the readings of the pressure sensor and the liquid level sensor remain almost constant, while the air pressure sensor detects the dynamic changes in the air pressure inside the water pipe. When water flows into the connecting pipe, the buoyancy of the water causes the float to slide. The sliding float drives the riser pipe upwards via a connecting rod. The riser pipe connects with the sensing end of the pressure sensor. Upon separation, the pressure sensor reading changes until the guide post abuts against the float ring. As the liquid level in the connecting pipe rises, the float box pushes the float ring against the convex block at the air inlet of the valve body. The liquid level in the connecting pipe enters the valve body until the liquid level sensor on the riser pipe is triggered. At this time, the liquid blocking component prevents the liquid in the valve body from flowing out of the air outlet. During this process, the air pressure sensor feeds back the air pressure change caused by the liquid level in the water pipe. This allows maintenance personnel to monitor the specific pressure changes in the water pipe in real time through the controller, thereby improving the efficiency of subsequent pipeline maintenance and fault diagnosis.

[0028] 2. During the process of air flowing into the connecting pipe from the water pipe, the air flows through the gap between two adjacent thin partitions. Under the gravity of the float ring, the float ring will not slip, and the air flows normally. When water flows into the connecting pipe from the water pipe, the gap between two adjacent thin partitions will greatly hinder the flow of water. The water pressure will push up the float ring, and as the water flows into the connecting pipe, the buoyancy of the float box will gradually overcome the gravity of the float ring. The float ring will drive the thin partition away from the protruding ring on the anti-detachment plate. At this time, the water can flow into the connecting pipe quickly.

[0029] 3. When the deformed rubber ring abuts against the inner wall of the connecting pipe, the water pressure in the connecting pipe can only flow into the valve body in sequence along the vertical and horizontal grooves, so that the liquid level in the valve body rises slowly, thus providing enough time for the liquid level sensor to respond. At the same time, the air that flows in later in the water pipe can enter the valve body through the vertical and horizontal grooves, so that the valve body in this state can still achieve the function of venting. Attached Figure Description

[0030] Figure 1 This is a structural schematic diagram of an embodiment of this application.

[0031] Figure 2 This is a cross-sectional view in the embodiments of this application used to illustrate the positional relationship between the guide column, the air pressure sensor and the float box during exhaust.

[0032] Figure 3 This is a cross-sectional view in an embodiment of this application, used to illustrate the positional relationship between the internal resistance ring tube and the venting cone ring when liquid enters the elastic ring membrane.

[0033] Explanation of reference numerals in the attached drawings: 1. Water pipe; 2. Valve body; 021. Main body; 022. Valve cover; 3. Air inlet; 4. Air outlet; 5. Controller; 6. Connecting pipe; 7. Guide column; 8. Lifting pipe; 9. Float ring; 10. Air pressure sensor; 11. Liquid level sensor; 12. Pressure sensor; 13. Power supply assembly; 131. Internal tube; 132. Protective box; 133. Inner tube; 134. Rotor; 135. Blade; 136. Stator; 137. Wire; 138. Through hole; 139. Waterproof component; 1391. Anti-detachment ring; 1392. Bearing; 1393. Sealing ring; 14. Float box; 15. Float groove; 16. Raised top block; 17. Connecting rod; 18. Anti-detachment ring; 19. Detachable plate; 191. Flow control component; 192. Convex ring; 20. Thin partition plate; 20. Speed ​​control component; 201. Rubber ring bladder; 202. Bladder groove; 203. Buffer ring; 204. Buffer rod; 205. Drainage component; 2051. Vertical groove; 2052. Horizontal groove; 21. Liquid blocking component; 211. Top plate; 212. Mounting ring plate; 213. Limiting ring tube; 214. Vent cone ring; 215. Vent hole; 216. Internal resistance ring tube; 217. Elastic ring diaphragm; 218. Overflow hole; 219. Locking component; 2191. Electromagnet; 2192. Permanent magnet; 22. Gas gathering plate; 23. Battery; 24. Wireless transmission module; 25. Exhaust pipe; 26. Chassis plate. Detailed Implementation

[0034] The following is in conjunction with the appendix Figures 1-3 This application will be described in further detail.

[0035] This application discloses an exhaust valve with pressure monitoring function.

[0036] Reference Figure 1 and Figure 2 An exhaust valve with pressure monitoring function includes a hollow valve body 2. The valve body 2 includes a main body 021 and a valve cover 022. The valve cover 022 is bolted to the main body 021. A protective box 132 is bolted to the valve cover 022. An exhaust port 4 is provided on the valve cover 022. An exhaust pipe 25 is welded to the exhaust port 4 of the valve cover 022. An air inlet 3 is provided at the bottom of the main body 021. A connecting pipe 6 is welded to the air inlet 3 of the main body 021. The connecting pipe 6 is used to connect to a water pipe 1.

[0037] Reference Figure 2 and Figure 3 The protective box 132 is equipped with a controller 5. The valve body 2 is equipped with a guide post 7 with a polygonal cross-section. A lifting tube 8 and a float ring 9 are slidably mounted on the guide post 7 from top to bottom. A pressure sensor 10 and a liquid level sensor 11 are bolted to the lifting tube 8 from top to bottom. A pressure sensor 12 is bolted to the side of the float ring 9 facing the lifting tube 8. The pressure sensor 10, liquid level sensor 11 and pressure sensor 12 are all electrically connected to the controller 5.

[0038] Reference Figure 2 and Figure 3 A float box 14 is vertically slidably arranged on the float ring 9. A float groove 15 is provided on the float ring 9 for the float box 14 to slide. Multiple convex top blocks 16 are welded at the air inlet 3 of the main body 021 and at intervals along the axis of the float ring 9. The convex top blocks 16 are used to abut against the top of the float ring 9.

[0039] Reference Figure 2 and Figure 3 The bottom of the lifting pipe 8 is welded with a chassis plate 26. A connecting rod 17 is welded between the float box 14 and the chassis plate 26. The end of the connecting rod 17 facing away from the chassis plate 26 passes through to the lower surface of the float box 14. The outer diameter of the float ring 9 is smaller than the inner diameter of the connecting pipe 6. An anti-detachment plate 18 for supporting the float ring 9 is welded on the connecting pipe 6. The outer diameter of the float ring 9 is larger than the diameter of the air inlet 3.

[0040] Reference Figure 2 and Figure 3 The valve body 2 is provided with a power supply component 13 for powering the controller 5. The power supply component 13 includes an internal tube 131 welded onto the guide post 7. The internal tube 131 is placed inside the water pipe 1. The protective box 132 is provided with a battery 23 and a wireless transmission module 24. Both the battery 23 and the wireless transmission module 24 are electrically connected to the controller 5. The end of the guide post 7 facing away from the internal tube 131 is connected to the protective box 132.

[0041] Reference Figure 2 and Figure 3 An inner tube 133 is coaxially arranged on the inner wall of the inner tube 131. A rotor 134 is coaxially sleeved on the outer wall of the inner tube 133. Multiple blades 135 are uniformly welded circumferentially on the inner wall of the inner tube 133. The blades 135 are spirally arranged around the axis of the inner tube 133. A stator 136 is arranged on the inner wall of the inner tube 131 opposite to the rotor 134. A wire 137 is connected between the stator 136 and the controller 5.

[0042] Reference Figure 2 and Figure 3 The guide post 7 has a through hole 138 along its length for the wire 137 to pass through. A waterproof component 139 for sealing is arranged between the inner tube 131 and the inner tube 133. The waterproof component 139 includes an anti-detachment ring 1391 bolted to the end of the inner tube 131. A bearing 1392 is arranged between the end of the inner tube 133 and the anti-detachment ring 1391. A sealing ring 1393 is arranged between the inner tube 131 and the anti-detachment ring 1391, and between the end of the inner tube 133 and the anti-detachment ring 1391. The sealing ring 1393 is made of rubber material.

[0043] The worker first extends the inner tube 131 into the water pipe 1 through the guide post 7, and then fixes the valve body 2 onto the water pipe 1 through the connecting pipe 6. When the water in the water pipe 1 flows, the flowing water part will flow through the inner diameter of the inner tube 133. During the water flow, the water flow will impact the spiral blade 135.

[0044] The blade 135 drives the inner tube 133 to rotate, and the rotating inner tube 133 drives the rotor 134 to rotate synchronously. The magnetic field lines on the rotor 134 continuously cut the coils on the stator 136. The current generated on the stator 136 is transmitted to the controller 5 along the wire 137. The controller 5 distributes the current to the air pressure sensor 10, the liquid level sensor 11, the pressure sensor 12, the battery 23, and the wireless transmission module 24.

[0045] Reference Figure 2 and Figure 3 A flow control element 19 is arranged between the anti-detachment plate 18 and the floating ring 9. The flow control element 19 is used to control the flow rate of air or liquid flowing between the anti-detachment plate 18 and the floating ring 9. The flow control element 19 includes a convex ring 191 welded to the anti-detachment plate 18. A plurality of thin partitions 192 are welded on the floating ring 9. The plurality of thin partitions 192 are evenly distributed circumferentially along the axis of the floating ring 9. There is a gap between two adjacent thin partitions 192. The thin partitions 192 are used to abut against the convex ring 191.

[0046] Reference Figure 2 and Figure 3 A speed control component 20 is arranged on the float box 14. The speed control component 20 is used to reduce the impact force of the float ring 9 on the valve body 2. The speed control component 20 includes a rubber ring bladder 201 sleeved on the float box 14. A bladder groove 202 for accommodating the rubber ring bladder 201 is opened on the circumferential outer wall of the float box 14. A buffer ring 203 is slidably sleeved on the bladder groove 202 of the float box 14. A buffer rod 204 is welded to the side of the buffer ring 203 facing away from the rubber ring bladder 201.

[0047] Reference Figure 2 and Figure 3 The buffer rod 204 is used to abut against the inner top wall of the float groove 15 of the float ring 9. When the float ring 9 abuts against the convex top block 16 and the buffer ring 203 squeezes the rubber ring bladder 201, the deformed rubber ring bladder 201 abuts against the inner side wall of the connecting pipe 6. A draining device 205 is arranged on the connecting rod 17. The draining device 205 is used to slowly release the pressure between the inside of the valve body 2 and the connecting pipe 6.

[0048] Reference Figure 2 and Figure 3The drainage component 205 includes a vertical groove 2051 formed at the bottom of the connecting rod 17 and a horizontal groove 2052 formed on the outer side wall of the connecting rod 17. The horizontal groove 2052 is connected to the vertical groove 2051. The inner bottom wall of the float box 14 is integrally formed with an air-gathering plate 22 with an inverted V-shaped cross section. The vertical groove 2051 at the bottom of the connecting rod 17 is connected to the V-shaped concave side of the air-gathering plate 22. When the rubber ring bladder 201 abuts against the inner side wall of the connecting pipe 6, the horizontal groove 2052 is located above the float ring 9.

[0049] When air enters the connecting pipe 6 from the water pipe 1, the air flows through the gap between the two adjacent thin partitions 192. At the same time, under the gravity of the float ring 9, the float ring 9 will not slip, the index fed back by the pressure sensor 12 remains almost unchanged, the air flows normally, and the air pressure sensor 10 detects the dynamic change of air pressure in the water pipe 1.

[0050] When water flows into connecting pipe 6 from water pipe 1, the backflow is greatly hindered because the gap between two adjacent thin partitions 192 is very small. The water pressure will push up the float ring 9, and the float ring 9 will drive the thin partition 192 away from the protruding ring 191 on the anti-detachment plate 18. At this time, water can flow into connecting pipe 6 quickly, and as water continues to flow into connecting pipe 6, the buoyancy of float box 14 will gradually overcome its own gravity.

[0051] The float box 14 will rise continuously. At this time, the float box 14 pushes the lifting tube 8 to rise through the connecting rod 17 and the chassis plate 26. The chassis plate 26 gradually moves away from the sensing end of the pressure sensor 12. The index fed back by the pressure sensor 12 changes. As the float box 14 continues to rise, until the buffer rod 204 hits the top wall of the float groove 15 of the float ring 9, the float box 14 drives the float ring 9 to rise under the buoyancy of the rubber ring bladder 201 until the float ring 9 abuts the convex top block 16.

[0052] As the water pressure inside the connecting pipe 6 continues to increase, the float box 14 continues to rise. The float box 14 drives the rubber ring bladder 201 to continuously squeeze the buffer ring 203. The rubber ring bladder 201 deforms and gradually abuts against the inner wall of the connecting pipe 6 until the float box 14 stops rising. At this time, the horizontal groove 2052 is located above the float ring 9, and the water below the float ring 9 flows into the area above the float ring 9 through the vertical groove 2051 and the horizontal groove 2052.

[0053] Reference Figure 2 and Figure 3A liquid blocking component 21 is arranged on the valve body 2. The liquid blocking component 21 is used to prevent liquid from flowing out of the valve body 2. The liquid blocking component 21 includes a top plate 211 sleeved on the guide post 7. An installation ring plate 212 is integrally formed on the inner side wall of the main body 021. A limiting ring tube 213 is bolted to the installation ring plate 212. The diameter of the limiting ring tube 213 gradually decreases along the direction from the installation ring plate 212 to the top plate 211. A venting cone ring 214 is welded between the limiting ring tube 213 and the top plate 211. Multiple venting holes 215 are opened circumferentially along its axis on the venting cone ring 214.

[0054] Reference Figure 2 and Figure 3 The diameter of the ventilation cone ring 214 gradually decreases along the direction from the mounting ring plate 212 to the top plate 211. An inner resistance ring pipe 216 is welded on the lifting pipe 8. An elastic ring diaphragm 217 is arranged between the inner resistance ring pipe 216 and the mounting ring plate 212. The elastic ring diaphragm 217 is made of elastic rubber material. The diameter of the inner resistance ring pipe 216 gradually decreases along the direction from the mounting ring plate 212 to the top plate 211. Multiple overflow holes 218 are opened circumferentially along the axis of the inner resistance ring pipe 216.

[0055] Reference Figure 2 and Figure 3 A locking member 219 is arranged on the top plate 211. The locking member 219 is used to fix the inner resistance ring tube 216 on the vent cone ring 214. The locking member 219 includes an electromagnet 2191 that is bolted to the top plate 211 and electrically connected to the controller 5. A permanent magnet 2192 is bolted to the lifting tube 8. When the circumferential outer wall of the inner resistance ring tube 216 abuts against the circumferential inner wall of the limiting ring tube 213, the vent hole 215 and the overflow hole 218 are misaligned.

[0056] Water flowing out of the transverse groove 2052 enters the elastic annular membrane 217, and the liquid level in the elastic annular membrane 217 rises continuously. Air in the elastic annular membrane 217 flows into the valve body 2 in sequence along the overflow hole 218 and the vent hole 215, and is finally discharged through the exhaust pipe 25 until the liquid level sensor 11 is triggered. At this time, the controller 5 activates the electromagnet 2191, which attracts the permanent magnet 2192. The permanent magnet 2192 drives the lifting pipe 8 to continue to rise.

[0057] The elastic ring membrane 217 is stretched again, while the rubber ring bladder 201 is squeezed again until the outer circumferential wall of the inner resistance ring tube 216 abuts against the inner circumferential wall of the vent cone ring 214. As the liquid level continues to rise, the elastic ring membrane 217 continues to deform until it abuts against the inner circumferential wall of the limiting ring tube 213. At this point, under the constraint of the limiting ring tube 213, the liquid level inside the elastic ring membrane 217 can no longer rise.

[0058] At this time, the liquid level in the elastic ring diaphragm 217 is below the pressure sensor 10. The pressure sensor 10 feeds back the pressure change from when the pressure sensor 12 is triggered to the controller 5. The worker receives the pressure change value in real time through the wireless transmission module 24. At the same time, the air that flows into the water pipe 1 will continue to flow into the elastic ring diaphragm 217 along the horizontal groove 2052 and vertical groove 2051 on the connecting rod 17, so that the water in the elastic ring diaphragm 217 is continuously discharged back into the water pipe 1 until the liquid level sensor 11 stops being triggered. At this time, the controller 5 stops supplying power to the electromagnet 2191, the lifting pipe 8 descends, and the air in the elastic ring diaphragm 217 is discharged in time.

[0059] The implementation principle of an exhaust valve with pressure monitoring function in this application embodiment is as follows: the worker first extends the built-in tube 131 into the water pipe 1 through the guide post 7, and then fixes the valve body 2 on the water pipe 1 through the connecting pipe 6. When the water in the water pipe 1 flows, the flowing water part will flow through the inner diameter of the inner tube 133. During the process of water flow, the water flow will impact the spiral blade 135.

[0060] The blade 135 drives the inner tube 133 to rotate, and the rotating inner tube 133 drives the rotor 134 to rotate synchronously. The magnetic field lines on the rotor 134 continuously cut the coils on the stator 136. The current generated on the stator 136 is transmitted to the controller 5 along the wire 137. The controller 5 distributes the current to the air pressure sensor 10, the liquid level sensor 11, the pressure sensor 12, the battery 23, and the wireless transmission module 24.

[0061] When air enters the connecting pipe 6 from the water pipe 1, the air flows through the gap between the two adjacent thin partitions 192. At the same time, under the gravity of the float ring 9, the float ring 9 will not slip, the index fed back by the pressure sensor 12 remains almost unchanged, the air flows normally, and the air pressure sensor 10 detects the dynamic change of air pressure in the water pipe 1.

[0062] When water flows into connecting pipe 6 from water pipe 1, the backflow is greatly hindered because the gap between two adjacent thin partitions 192 is very small. The water pressure will push up the float ring 9, and the float ring 9 will drive the thin partition 192 away from the protruding ring 191 on the anti-detachment plate 18. At this time, water can flow into connecting pipe 6 quickly, and as water continues to flow into connecting pipe 6, the buoyancy of float box 14 will gradually overcome its own gravity.

[0063] The float box 14 will rise continuously. At this time, the float box 14 pushes the lifting tube 8 to rise through the connecting rod 17 and the chassis plate 26. The chassis plate 26 gradually moves away from the sensing end of the pressure sensor 12. The index fed back by the pressure sensor 12 changes. As the float box 14 continues to rise, until the buffer rod 204 hits the top wall of the float groove 15 of the float ring 9, the float box 14 drives the float ring 9 to rise under the buoyancy of the rubber ring bladder 201 until the float ring 9 abuts the convex top block 16.

[0064] As the water pressure inside the connecting pipe 6 continues to increase, the float box 14 continues to rise. The float box 14 drives the rubber ring bladder 201 to continuously squeeze the buffer ring 203. The rubber ring bladder 201 deforms and gradually abuts against the inner wall of the connecting pipe 6 until the float box 14 stops rising. At this time, the horizontal groove 2052 is located above the float ring 9, and the water below the float ring 9 flows into the area above the float ring 9 through the vertical groove 2051 and the horizontal groove 2052.

[0065] Water flowing out of the transverse groove 2052 enters the elastic annular membrane 217, and the liquid level in the elastic annular membrane 217 rises continuously. Air in the elastic annular membrane 217 flows into the valve body 2 in sequence along the overflow hole 218 and the vent hole 215, and is finally discharged through the exhaust pipe 25 until the liquid level sensor 11 is triggered. At this time, the controller 5 activates the electromagnet 2191, which attracts the permanent magnet 2192. The permanent magnet 2192 drives the lifting pipe 8 to continue to rise.

[0066] The elastic ring membrane 217 is stretched again, while the rubber ring bladder 201 is squeezed again until the outer circumferential wall of the inner resistance ring tube 216 abuts against the inner circumferential wall of the vent cone ring 214. As the liquid level continues to rise, the elastic ring membrane 217 continues to deform until it abuts against the inner circumferential wall of the limiting ring tube 213. At this point, under the constraint of the limiting ring tube 213, the liquid level inside the elastic ring membrane 217 can no longer rise.

[0067] At this time, the liquid level in the elastic ring diaphragm 217 is below the pressure sensor 10. The pressure sensor 10 feeds back the pressure change from when the pressure sensor 12 is triggered to the controller 5. The worker receives the pressure change value in real time through the wireless transmission module 24. At the same time, the air that flows into the water pipe 1 will continue to flow into the elastic ring diaphragm 217 along the horizontal groove 2052 and vertical groove 2051 on the connecting rod 17, so that the water in the elastic ring diaphragm 217 is continuously discharged back into the water pipe 1 until the liquid level sensor 11 stops being triggered. At this time, the controller 5 stops supplying power to the electromagnet 2191, the lifting pipe 8 descends, and the air in the elastic ring diaphragm 217 is discharged in time.

[0068] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An exhaust valve with pressure monitoring function, comprising a hollow valve body (2), wherein the valve body (2) is provided with an air inlet (3) and an air outlet (4), characterized in that: A controller (5) is provided on the valve body (2). A connecting pipe (6) is provided at the air inlet (3) of the valve body (2). The connecting pipe (6) is used to connect to the water pipe (1). A guide post (7) with a polygonal cross-section is provided inside the valve body (2). A lifting pipe (8) and a float ring (9) are slidably mounted on the guide post (7) from top to bottom. A pressure sensor (10) and a liquid level sensor (11) are arranged on the lifting pipe (8) from top to bottom. The float ring (9) faces the lifting pipe. A pressure sensor (12) is provided on one side of the downcomer (8). The air pressure sensor (10), the liquid level sensor (11), and the pressure sensor (12) are all electrically connected to the controller (5). A power supply assembly (13) for supplying power to the controller (5) is provided on the valve body (2). A float box (14) is vertically slidably provided on the float ring (9). A float groove (15) is provided on the float ring (9) for the float box (14) to slide. At the air inlet (3) of the valve body (2) Furthermore, multiple convex top blocks (16) are circumferentially spaced along the axis of the float ring (9), and the convex top blocks (16) are used to abut against the top of the float ring (9). A connecting rod (17) is provided between the float box (14) and the lifting pipe (8). The outer diameter of the float ring (9) is smaller than the inner diameter of the connecting pipe (6). An anti-detachment plate (18) for supporting the float ring (9) is provided on the connecting pipe (6). The outer diameter of the float ring (9) is larger than the diameter of the air inlet (3). A flow control element (19) is provided between (18) and the float ring (9). The flow control element (19) is used to control the flow rate of air or liquid flowing between the anti-detachment plate (18) and the float ring (9). A speed control component (20) is provided on the float box (14). The speed control component (20) is used to reduce the possibility of water pressure in the water pipe rapidly diffusing into the valve body (2). A liquid blocking component (21) is provided on the valve body (2). The liquid blocking component (21) is used to prevent liquid from flowing out of the valve body (2).

2. The exhaust valve with pressure monitoring function according to claim 1, characterized in that: The power supply assembly (13) includes an internal tube (131) disposed on the guide post (7), the internal tube (131) being placed inside the water pipe (1), a protective box (132) being disposed on the valve body (2), the controller (5) being disposed inside the protective box (132), one end of the guide post (7) facing away from the internal tube (131) being connected to the protective box (132), an inner tube (133) being coaxially rotatably disposed on the inner side wall of the internal tube (131), and a rotor being coaxially sleeved on the outer side wall of the inner tube (133). (134) The inner wall of the inner tube (133) is uniformly provided with multiple blades (135) in the circumferential direction. The inner wall of the inner tube (131) is provided with a stator (136) opposite to the rotor (134). A wire (137) is connected between the stator (136) and the controller (5). A through hole (138) for the wire (137) to pass through is opened in the guide post (7) along its length direction. A waterproof component (139) for sealing is provided between the inner tube (131) and the inner tube (133).

3. An exhaust valve with pressure monitoring function according to claim 2, characterized in that: The waterproof component (139) includes an anti-detachment ring (1391) detachably disposed at the end of the inner tube (131), a bearing (1392) is disposed between the end of the inner tube (133) and the anti-detachment ring (1391), and sealing rings (1393) are disposed between the inner tube (131) and the anti-detachment ring (1391) and between the end of the inner tube (133) and the anti-detachment ring (1391).

4. An exhaust valve with pressure monitoring function according to claim 1, characterized in that: The flow control component (19) includes a convex ring (191) disposed on the anti-detachment plate (18), and a plurality of thin partitions (192) are disposed on the floating ring (9). The plurality of thin partitions (192) are evenly distributed circumferentially along the axis of the floating ring (9), and there is a gap between two adjacent thin partitions (192). The thin partitions (192) are used to abut against the convex ring (191).

5. An exhaust valve with pressure monitoring function according to claim 1, characterized in that: The speed control component (20) includes a rubber ring bladder (201) sleeved on the float (14). A groove (202) for accommodating the rubber ring bladder (201) is provided on the circumferential outer wall of the float (14). A buffer ring (203) is slidably sleeved on the groove (202) of the float (14). A buffer rod (204) is provided on the side of the buffer ring (203) facing away from the rubber ring bladder (201). The float (9) is used to abut against the inner top wall of the float groove (15). When the float (9) abuts against the convex top block (16) and the buffer ring (203) squeezes the rubber ring bladder (201), the rubber ring bladder (201) abuts against the inner side wall of the connecting pipe (6). The connecting rod (17) is provided with a drain (205), which is used to slowly release the pressure between the inside of the valve body (2) and the connecting pipe (6).

6. An exhaust valve with pressure monitoring function according to claim 5, characterized in that: One end of the connecting rod (17) facing away from the lifting pipe (8) extends to the lower surface of the float box (14). The drainage component (205) includes a vertical groove (2051) opened at the bottom of the connecting rod (17) and a horizontal groove (2052) opened on the outer side wall of the connecting rod (17). The horizontal groove (2052) communicates with the vertical groove (2051). When the rubber ring bladder (201) abuts against the inner side wall of the connecting pipe (6), the horizontal groove (2052) is located above the float ring (9).

7. An exhaust valve with pressure monitoring function according to claim 6, characterized in that: The inner bottom wall of the float (14) is provided with an air-gathering plate (22) with an inverted V-shaped cross-section, and the vertical groove (2051) at the bottom of the connecting rod (17) is connected to the V-shaped concave side of the air-gathering plate (22).

8. An exhaust valve with pressure monitoring function according to claim 7, characterized in that: The liquid-blocking assembly (21) includes a top plate (211) sleeved on the guide post (7), an mounting ring plate (212) is provided on the inner wall of the valve body (2), a limiting ring tube (213) is provided on the mounting ring plate (212), a venting cone ring (214) is provided between the limiting ring tube (213) and the top plate (211), a plurality of venting holes (215) are provided on the venting cone ring (214) circumferentially along its axis, the diameter of the venting cone ring (214) gradually decreases along the direction from the mounting ring plate (212) to the top plate (211), and an inner resistance ring tube (216) is provided on the lifting pipe (8). An elastic annular membrane (217) is provided between the mounting ring plate (212) and the inner resistance ring tube (216). The diameter of the inner resistance ring tube (216) gradually decreases along the direction from the mounting ring plate (212) to the top plate (211). Multiple vent holes (218) are provided on the inner resistance ring tube (216) circumferentially along its axis. A locking member (219) is provided on the top plate (211). The locking member (219) is used to fix the inner resistance ring tube (216) on the vent cone ring (214). When the outer circumferential wall of the inner resistance ring tube (216) abuts against the inner circumferential wall of the limiting ring tube (213), the vent hole (215) is offset from the vent hole (218).

9. An exhaust valve with pressure monitoring function according to claim 8, characterized in that: The locking element (219) includes an electromagnet (2191) disposed on the top plate (211) and electrically connected to the controller (5), and a permanent magnet (2192) is disposed on the lifting tube (8).

10. An exhaust valve with pressure monitoring function according to claim 2, characterized in that: The protective box (132) is equipped with a storage battery (23) and a wireless transmission module (24), both of which are electrically connected to the controller (5).

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