A method and device for monitoring water leakage of a converter valve

Abstract

This invention provides a method and device for monitoring leakage in a converter valve, belonging to the field of leakage monitoring technology. It includes a valve tower, with a water collection tray fixedly connected to its bottom. The inner bottom wall of the water collection tray has an inclined surface sloping towards the center. A water inlet cylinder is fixedly connected to the inner bottom wall of the water collection tray. The outer top wall of the water inlet cylinder has several first locking grooves arranged in a circumferential array. The outer wall of the water inlet cylinder near the first locking grooves has several water inlet channels arranged in a circumferential array. First locking posts are symmetrically fixedly connected to the outer wall of the water inlet cylinder near the bottom. A monitoring component is also included, used to monitor leakage in the converter valve, and connected to the water inlet cylinder. This invention, by setting up a monitoring component, simplifies the alarm triggering method when coolant enters the device, and avoids the influence of colloidal substances on the alarm triggering accuracy.

Description

Technical Field

[0001] This invention relates to the field of leakage monitoring technology, and in particular to a method and device for monitoring leakage in a converter valve. Background Technology

[0002] The converter valve leakage monitoring device is a key safety monitoring device for the DC transmission converter valve cooling system. It is used to detect leakage in the valve tower water cooling circuit in real time, provide timely warnings and trigger protection to prevent leakage from causing short circuits, insulation damage and system shutdown.

[0003] For example, Chinese Patent CN110307940A discloses a converter valve tower and its leakage detection device, including a leakage detection cylinder with an inlet for introducing leakage water into the cylinder; characterized in that: three or more floats are arranged inside the leakage detection cylinder, each float being evenly distributed around the vertical axis of the leakage detection cylinder; each float is provided with a baffle, and the baffle is provided with a light-transmitting hole for light signals to pass through; the leakage detection cylinder is provided with an optical transceiver corresponding to each baffle, and the optical transceiver is configured to output a light on / off signal when the float moves the baffle up and down.

[0004] While the technical solutions provided by the aforementioned patents can help technicians monitor internal water leakage faults in valve towers, the coolant in the leakage monitoring device is difficult to completely drain through the drain hole, and some coolant will still remain on its inner wall. These residual coolants are prone to deterioration and composition degradation when exposed to air for a long time, eventually forming a viscous colloidal substance. If leakage occurs again, the colloidal substance will hinder the normal sliding of the float on the inner wall of the monitoring device, affecting the accuracy and reliability of the leakage alarm triggering. Therefore, this invention provides a method and device for monitoring leakage in converter valves to meet the requirements. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a method and device for monitoring leakage in a converter valve. By setting up a monitoring component, not only can the leakage monitoring device be quickly installed, but the alarm triggering method is also simple when coolant enters the device, which can avoid the impact of colloidal substances on the alarm triggering accuracy. At the same time, after the leakage alarm is triggered, the coolant in the device can be drained and scraped off, which facilitates subsequent cleaning and prevents residual coolant from forming a colloidal substance on the inner wall of the device, further ensuring the accuracy of alarm triggering. This solves the problem that the formation of colloidal substances by residual coolant affects the accuracy of leakage alarm triggering.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: A method and apparatus for monitoring leakage in a converter valve includes a valve tower, a water collection tray fixedly connected to the bottom of the valve tower, an inclined surface sloping towards the center on the bottom inner wall of the water collection tray, a water inlet cylinder fixedly connected to the bottom inner wall of the water collection tray, a plurality of first snap-fit ​​grooves arranged in a circumferential array on the top outer wall of the water inlet cylinder, a plurality of water inlet grooves arranged in a circumferential array on the outer wall of the water inlet cylinder near the first snap-fit ​​grooves, and first snap-fit ​​posts symmetrically fixedly connected to the outer wall of the water inlet cylinder near the bottom; and a monitoring component for monitoring leakage in the converter valve, the monitoring component being connected to the water inlet cylinder.

[0007] Optionally, the monitoring component includes a second snap-fit ​​post snapped onto the inner wall of the first snap-fit ​​groove, and a guide cylinder is fixedly connected to the bottom of the second snap-fit ​​post. The monitoring component also includes a water collection cylinder sleeved on the outer wall of the water inlet cylinder. The outer wall of the water collection cylinder near the top is provided with a plurality of second snap-fit ​​grooves arranged in a circumferential array, and a water outlet hole is provided on the inner wall of the bottom of the water collection cylinder.

[0008] Optionally, a guide surface is provided on the top outer wall of the guide cylinder, and a plurality of first sliding grooves distributed in a circular array are provided on the bottom outer wall of the guide cylinder. A connecting cylinder is fixedly connected to the bottom outer wall of the guide cylinder, a fixed base plate is fixedly connected to the bottom end of the connecting cylinder, and a plurality of first fixed columns distributed in a circular array are fixedly connected to the middle outer wall of the connecting cylinder.

[0009] Optionally, the bottom inner wall of the connecting cylinder is provided with a plurality of guide grooves arranged in a circumferential array, the top outer wall of the fixed base plate is provided with a plurality of first clearance grooves and a plurality of third sliding grooves, wherein the plurality of first clearance grooves are arranged in a circumferential array, the plurality of third sliding grooves are arranged in a circumferential array, the bottom outer wall of the connecting cylinder is provided with a second clearance groove, and a first scraper is fixedly connected to the outer wall of the fixed base plate near the second clearance groove.

[0010] Optionally, a first elastic plate is fixedly connected to the inner wall of the first clearance groove near the central axis of the fixed base plate, a guide plate is fixedly connected to the end of the first elastic plate away from the fixed base plate, a second elastic plate is fixedly connected to the outer wall of the end of the first elastic plate away from the fixed base plate, a plurality of first limiting plates are fixedly connected to the inner wall of the top of the first clearance groove near the central axis of the fixed base plate, a fixing screw is snapped into the top outer wall of the second elastic plate, a slot is provided on the outer wall of the fixing screw, a fixing nut is screwed into the end wall of the fixing screw, and a limiting paper tape is inserted into the inner wall of the slot.

[0011] Optionally, the same sliding column is slidably connected to the inner walls of the first sliding groove and the third sliding groove, and a third elastic plate is symmetrically fixedly connected to the outer walls near both sides. A second abutting column is fixedly connected to the outer wall of the middle part of the sliding column near the central axis of the fixed base plate, and a second scraper is fixedly connected to the outer wall of the sliding column away from the second abutting column.

[0012] Optionally, a spring is fixedly connected to the top outer wall of the fixed base plate, and a sliding circular plate is fixedly connected to the end of the spring away from the fixed base plate. A plurality of third clearance grooves are provided on the outer wall of the sliding circular plate in a circumferential array, and a plurality of second limiting plates are fixedly connected to the inner wall of the third clearance groove on the side closer to the central axis of the sliding circular plate.

[0013] Optionally, a plurality of first abutment posts arranged in a circumferential array are fixedly connected to the top outer wall of the sliding circular plate, and a plurality of baffles arranged in a circumferential array are fixedly connected to the outer wall of the sliding circular plate near the first abutment posts, and light-transmitting holes are opened on the outer wall of the baffles near the top.

[0014] Optionally, a second sliding groove is provided on the top outer wall of the first fixed column, and second fixed columns are symmetrically fixedly connected to both sides of the first fixed column. A snap-fit ​​plate is fixedly connected to the end of the second fixed column away from the first fixed column, and a laser transceiver is snapped onto the inner wall of the snap-fit ​​plate. A signal transmitter is fixedly connected to the end of the laser transceiver away from the baffle.

[0015] The present invention also provides a method for using a converter valve leakage monitoring device, comprising the following steps: Step 1, Device Assembly: Fit the water collection cylinder onto the outer wall of the water intake cylinder and rotate it. Then, snap the second locking post into the first locking groove so that the guide cylinder and the fixed base plate are inserted into the water collection cylinder to complete the overall assembly. Step 2, Leakage Collection: When the valve tower is running, if the coolant leaks, it will flow into the first clearance groove after being guided through multiple stages and wet the limiting paper tape, and the leaked coolant will be collected. Step 3, alarm triggering: After the limit paper tape is broken by the spring, the sliding circular plate is released from the limit and slides, which drives the baffle to block the laser transceiver. The signal transmitter transmits the signal to the valve tower control system and triggers the alarm. Step 4, Maintenance and Cleaning: After the staff discovers the alarm, they should immediately stop the valve tower, open the drain hole to drain the coolant in the water tank, and scrape the cylinder wall with the second scraper and the first scraper in turn during disassembly to facilitate subsequent cleaning operations.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects: In the above solution, by setting up monitoring components, not only can the leakage detection device be installed quickly, but the alarm triggering method is also simple when coolant enters the device, which can avoid the impact of colloidal substances on the alarm triggering accuracy. At the same time, after the leakage alarm is triggered, the coolant in the device can be drained and scraped off, which is convenient for disassembly and cleaning, and prevents residual coolant from forming a colloidal substance on the inner wall of the device, further ensuring the accuracy of alarm triggering.

[0017] By incorporating a water collection cylinder, a drain hole, a second clamping post, a guide cylinder, a connecting cylinder, and a fixed base plate within the monitoring component, not only can the coolant collected in the water collection cylinder be quickly discharged, but also, when the water collection cylinder is removed from the outer wall of the water inlet cylinder, the first scraper will scrape the inner wall of the water collection cylinder, facilitating subsequent cleaning work.

[0018] By incorporating a sliding disc, spring, baffle, first fixed column, and laser transceiver within the monitoring component, the sliding disc can move the baffle to block the laser emitted by the laser transceiver, thereby triggering an alarm on the valve tower. This allows staff to promptly detect leaks and carry out maintenance work.

[0019] By setting a first elastic plate, a second elastic plate, a first limiting plate, fixing screws for the second limiting plate, and a limiting paper tape in the monitoring component, the limiting paper tape can be used to limit the sliding circular plate and the spring. At the same time, after the limiting paper tape is wetted by coolant, it releases the limit of the sliding circular plate in cooperation with the elasticity of the spring itself, thereby triggering an alarm and reminding the staff to carry out maintenance work in a timely manner.

[0020] By setting a sliding column, a third elastic plate, a second abutment column, and a second scraper inside the monitoring component, the inner wall of the water collection tube can be scraped while the water collection tube is being removed from the water inlet tube. This allows workers to pre-clean the inner wall of the water collection tube, effectively improving their work efficiency. Attached Figure Description

[0021] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the invention and, together with the specification, further serve to explain the principles of the invention and enable those skilled in the art to practice and use the invention.

[0022] Figure 1 A three-dimensional structural diagram of a converter valve leakage monitoring device and its usage method; Figure 2 A magnified three-dimensional structural diagram of the water collection tray and water intake tube from a first-person perspective; Figure 3 A magnified three-dimensional structural diagram of the water collection tray and water intake tube from a second perspective; Figure 4An enlarged three-dimensional structural diagram of the second connecting post, guide tube, and water collection tube in combination; Figure 5 An enlarged three-dimensional structural diagram of the guide tube, connecting tube, and first fixed column; Figure 6 A half-section enlarged three-dimensional structural diagram showing the connection cylinder, the first fixed column, and the fixed base plate; Figure 7 for Figure 6 Enlarged 3D structural diagram at point A; Figure 8 An enlarged three-dimensional structural diagram of the sliding circular plate, the first contact post, and the baffle; Figure 9 A magnified three-dimensional structural diagram of the spring, sliding circular plate, and baffle in combination; Figure 10 An enlarged 3D structural diagram showing the combination of fixing screws, fixing nuts, and limiting paper tape.

[0023] Figure label: 1. Valve tower; 2. Water collection tray; 3. Water inlet tube; 4. First locking groove; 5. Water inlet channel; 6. First locking post; 7. Water collection tube; 8. Second locking groove; 9. Water outlet; 10. Second locking post; 11. Guide tube; 12. Guide surface; 13. First sliding groove; 14. Connecting tube; 15. First fixed post; 16. Second sliding groove; 17. Second fixed post; 18. Locking plate; 19. Fixed base plate; 20. First clearance groove; 21. Third sliding groove; 22. First scraper; 23. Second clearance groove; 24. First elastic plate; 25. Guide plate; 26. Second elastic plate; 27. First limiting plate; 28. Guide groove; 29. ​​Spring; 30. Sliding circular plate; 31. Third clearance groove; 32. Second limiting plate; 33. First abutment post; 34. Baffle; 35. Light-transmitting hole; 36. Fixing screw; 37. Slot; 38. Fixing nut; 39. Limiting paper tape; 40. Sliding post; 41. Second scraper; 42. Second abutment post; 43. Third elastic plate; 44. Laser transceiver; 45. Signal transmitter.

[0024] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0025] The present invention provides a method and apparatus for monitoring leakage in a converter valve, with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0026] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0027] like Figures 1 to 10As shown, an embodiment of the present invention provides a method and device for monitoring leakage in a converter valve, including a valve tower 1. A water collection tray 2 is fixedly connected to the bottom of the valve tower 1. An inclined surface sloping towards the center is provided on the inner bottom wall of the water collection tray 2. A water inlet cylinder 3 is fixedly connected to the inner bottom wall of the water collection tray 2. A plurality of first locking grooves 4 arranged in a circumferential array are provided on the outer top wall of the water inlet cylinder 3. A plurality of water inlet grooves 5 arranged in a circumferential array are provided on the outer wall of the water inlet cylinder 3 near the first locking grooves 4. A second water inlet groove 5 is symmetrically fixedly connected to the outer wall of the water inlet cylinder 3 near the bottom. One card connector 6; monitoring component, the monitoring component is used to monitor the leakage of the converter valve, the monitoring component is connected to the water inlet cylinder 3. Specifically, valve tower 1 is the body of the converter valve, which is the core power electronic device of the high voltage DC transmission system. Water collection pan 2 is fixedly connected to the bottom of valve tower 1. Water collection pan 2 is a hollow square box, and its bottom inner wall has an inclined surface that slopes towards the center. When the condensation system of valve tower 1 leaks, the coolant will fall into water collection pan 2 and be guided towards the center by the bottom inner wall of water collection pan 2. Water inlet cylinder 3 is fixedly connected to On the bottom inner wall of the water collection tray 2 near the central axis, the water inlet cylinder 3 is a hollow stainless steel cylinder. Several first retaining grooves 4 are formed on the top outer wall of the water inlet cylinder 3, arranged in a circular array. Each first retaining groove 4 has a square structure. Several water inlet channels 5 are formed on the outer wall of the water inlet cylinder 3 near the first retaining grooves 4, also arranged in a circular array. Each water inlet channel 5 is a circular channel. The water inlet channels 5 guide the coolant collected in the water collection tray 2 into the water inlet cylinder 3. The first retaining post 6 is a stainless steel cylinder, and... There are two first locking posts 6, which are symmetrically fixedly connected to the outer wall of the water inlet cylinder 3 near the bottom. By setting up the monitoring components, this application can not only realize the rapid installation of the leakage monitoring device, but also simplify the alarm triggering method when coolant enters the device, thus avoiding the impact of colloidal substances on the alarm triggering accuracy. At the same time, after the leakage alarm is triggered, the coolant in the device can be drained and scraped off, which is convenient for disassembly and cleaning, and prevents residual coolant from forming a colloidal substance on the inner wall of the device, further ensuring the accuracy of alarm triggering.

[0028] like Figures 1 to 4As shown, the monitoring component includes a water collection cylinder 7 fitted onto the outer wall of the water intake cylinder 3. The outer wall of the water collection cylinder 7 near the top has several second locking grooves 8 arranged in a circumferential array. The inner wall of the bottom of the water collection cylinder 7 has a drain hole 9. Specifically, the water collection cylinder 7, a hollow stainless steel cylinder, is fitted onto the outer wall of the water intake cylinder 3 near the bottom. Its inner wall contour matches the outer wall contour of the water intake cylinder 3, allowing the water collection cylinder 7 to fit snugly onto the outer wall of the water intake cylinder 3. Several second locking grooves 8 are formed on the outer wall of the water collection cylinder 7 near the top. Each second locking groove 8 is an L-shaped groove, and there are two second locking grooves 8 arranged in a circumferential array. The inner wall contour of the second locking groove 8 is adapted to the outer wall contour of the first locking post 6, so the first locking post 6 can slide on the inner wall of the second locking groove 8. When the water collection cylinder 7 is sleeved on the outer wall of the water inlet cylinder 3, the water collection cylinder 7 is rotated. At this time, the first locking post 6 will slide along the inner wall of the second locking groove 8. With the cooperation of the first locking post 6 and the second locking groove 8, the water collection cylinder 7 can be fixed. The drain hole 9 is opened on the bottom inner wall of the water collection cylinder 7. A one-way valve is installed in the drain hole 9 to control the discharge of coolant in the water collection cylinder 7. The above structure can quickly discharge the coolant in the water collection cylinder 7 through the drain hole 9, which is convenient for the staff to maintain the valve tower 1 later.

[0029] like Figures 4 to 7As shown, the monitoring component also includes a second snap-fit ​​post 10 snapped onto the inner wall of the first snap-fit ​​groove 4. The second snap-fit ​​post 10 is an L-shaped stainless steel column, and the outer contour of the second snap-fit ​​post 10 matches the inner contour of the first snap-fit ​​groove 4. Therefore, the second snap-fit ​​post 10 can be snapped onto the inner wall of the first snap-fit ​​groove 4. A guide cylinder 11 is fixedly connected to the bottom of the second snap-fit ​​post 10. The guide cylinder 11 is a hollow stainless steel cylinder, and a guide surface 12 is provided on the top outer wall of the guide cylinder 11. A connecting cylinder 14 is fixedly connected to the bottom outer wall of the guide cylinder 11. The connecting cylinder 14 is a hollow stainless steel cylinder. The guide surface 12 can guide the coolant flowing into the water inlet cylinder 3 into the connecting cylinder 14. A fixed base plate 19 is fixedly connected to the bottom end of the connecting cylinder 14. The fixed base plate 19 is a stainless steel circular plate. Since the outer contour of the fixed base plate 19 matches the inner contour of the water collection cylinder 7, the fixed base plate 19 can slide on the inner wall of the water collection cylinder 7. Several first fixed posts 15 arranged in a circular array are fixedly connected to the middle outer wall of the connecting cylinder 14. Several guide grooves 28 arranged in a circular array are opened on the bottom inner wall of the connecting cylinder 14. The guide grooves 28 are square-structured grooves. The guide grooves 28 are opened at the connection between the connecting cylinder 14 and the fixed base plate 19, and are opened along the top outer wall of the fixed base plate 19 in a direction away from the central axis of the fixed base plate 19, which can guide the coolant in the connecting cylinder 14. Several first clearance grooves 20 are opened on the top outer wall of the fixed base plate 19, wherein several first clearance grooves... The clearance grooves 20 are arranged in a circular array, and the first clearance groove 20 is a square structure. Since several first clearance grooves 20 correspond to several guide grooves 28, and the first clearance grooves 20 are opened on the side of the guide grooves 28 away from the connecting cylinder 14, the first clearance grooves 20 can communicate with the guide grooves 28. The guide grooves 28 can guide the coolant in the connecting cylinder 14 into the first clearance grooves 20. A second clearance groove 23 is opened on the bottom outer wall of the connecting cylinder 14. The second clearance groove 23 is a circular structure, and the first clearance grooves 20 and the second clearance groove 23 are connected. The coolant in the first clearance groove 20 will flow into the second clearance groove 23. At this time, before maintenance of this device, the coolant in the second clearance groove 23 can be drained from the drain hole 9. A first scraper 22 is fixedly connected to the outer wall of the fixed base plate 19 near the second clearance groove 23. The first scraper 22 is a C-shaped plate. When the first scraper 22 is subjected to force, it deforms along its bending direction. After the worker attaches the water collection tube 7 to the outer wall of the water inlet tube 3, and then attaches the second locking post 10 to the inner wall of the first locking groove 4, the guide tube 11 and the fixed base plate 19 will be inserted into the inner wall of the water collection tube 7 during the locking process. During this process, the end of the first scraper 22 away from the fixed base plate 19 will abut against the inner wall of the water collection tube 7. At this time, the first scraper 22 will be subjected to force and deform along its bending direction. When the worker is ready to install, the fixed base plate 19, the connecting tube 14, and the guide tube 11 are first inserted from the top of the water inlet tube 3.Until the second clamping pin 10 is inserted into the inner wall of the first clamping groove 4, during this process, the end of the first scraper 22 away from the fixed base plate 19 will abut against the inner wall of the water collection cylinder 7, causing the first scraper 22 to be stressed and deformed along its bending direction. When the worker removes the second clamping pin 10 from the inner wall of the first clamping groove 4, the fixed base plate 19, connecting cylinder 14, and guide cylinder 11 will slide along the inner wall of the water collection cylinder 7 towards the top of the water collection cylinder 7. At this time, the first scraper 22 will slide along the inner wall of the water collection cylinder 7 towards the top of the water collection cylinder 7 under the action of the fixed base plate 19, and scrape the inner wall of the water collection cylinder 7. The above structural design can not only quickly drain the coolant collected in the water collection cylinder 7, but also, when the water collection cylinder 7 is removed from the outer wall of the water inlet cylinder 3, the first scraper 22 will scrape the inner wall of the water collection cylinder 7, providing convenience for subsequent cleaning work.

[0030] like Figures 5 to 9As shown, a spring 29 is fixedly connected to the top outer wall of the fixed base plate 19. A sliding circular plate 30 is fixedly connected to the end of the spring 29 away from the fixed base plate 19. The sliding circular plate 30 is a hollow stainless steel circular plate, and the inner wall contour of the sliding circular plate 30 is adapted to the outer wall contour of the connecting cylinder 14. Therefore, the sliding circular plate 30 can slide on the outer wall of the connecting cylinder 14. When the sliding circular plate 30 slides towards the fixed base plate 19, the spring 29 will be stressed and deform along its bending direction. Several third clearance grooves 31 are provided on the outer wall of the sliding circular plate 30 in a circumferential array. The third clearance grooves 31 are square grooves. Several first abutment posts 33 are fixedly connected to the top outer wall of the sliding circular plate 30 in a circumferential array. The first abutment post 33 is a square stainless steel column, and the outer wall of the top of the first abutment post 33 away from the central axis of the sliding circular plate 30 is chamfered. Several baffles 34 arranged in a circular array are fixedly connected to the outer wall of the sliding circular plate 30 near the first abutment post 33. The baffles 34 are L-shaped stainless steel plates, and light-transmitting holes 35 are opened on the outer wall of the baffles 34 near the top. The light-transmitting holes 35 are circular grooves. The top outer wall of the first fixed post 15 is provided with a second sliding groove 16. The second sliding groove 16 is a square groove, and the inner wall contour of the second sliding groove 16 matches the outer wall contour of the baffles 34. Therefore, the baffles 34 can slide on the inner wall of the second sliding groove 16. When the spring 29 is no longer under force, it will slide along its curve. The curved direction of the deformation is restored, and the sliding circular plate 30 is pushed to slide along the outer wall of the connecting cylinder 14 towards the guide cylinder 11. At this time, the first abutting post 33 and the baffle 34 will move towards the guide cylinder 11 under the action of the sliding circular plate 30. The two sides of the first fixed post 15 are symmetrically fixedly connected with the second fixed post 17. The second fixed post 17 is an L-shaped stainless steel column. The end of the second fixed post 17 away from the first fixed post 15 is fixedly connected with the snap-fit ​​plate 18. The snap-fit ​​plate 18 is a C-shaped plate. When the snap-fit ​​plate 18 is subjected to force, it deforms along its bending direction. The inner wall of the snap-fit ​​plate 18 is snapped with the laser transceiver 44. The end of the laser transceiver 44 away from the baffle 34 is fixedly connected with the signal transmitter 45. Both 4 and signal transmitter 45 are existing technologies and will not be described in detail. When spring 29 is limited, sliding disc 30 will drive first contact post 33 and baffle 34 to remain in their initial positions. When spring 29 is no longer limited and returns to its original deformation along its bending direction, sliding disc 30 will slide along the outer wall of connecting cylinder 14 towards guide cylinder 11 under the action of spring 29. At this time, baffle 34 will slide along the inner wall of second sliding groove 16 towards guide cylinder 11 under the action of sliding disc 30. Baffle 34 will block the laser transceivers 44 on both sides of first fixed post 15. At this time, signal transmitter 45 will receive the signal and transmit the signal to the control system on valve tower 1, and issue an alarm. The above structural settings are as follows.The sliding circular plate 30 can move the baffle 34, thereby blocking the laser emitted by the laser transceiver 44, which in turn triggers the alarm on the valve tower 1, allowing staff to promptly detect leaks and carry out maintenance.

[0031] like Figures 5 to 10As shown, several second limiting plates 32 are fixedly connected to the inner wall of the third clearance groove 31 near the central axis of the sliding circular plate 30. Each second limiting plate 32 is a stainless steel column with a square structure at one end near the central axis of the sliding circular plate 30 and a trapezoidal structure at the other end. There are two second limiting plates 32 in total. A first elastic plate 24 is fixedly connected to the inner wall of the first clearance groove 20 near the central axis of the fixed base plate 19. The first elastic plate 24 is a C-shaped stainless steel plate. When the first elastic plate 24 is subjected to force, it will deform along its bending direction. A guide plate 25 is fixedly connected to the end of the first elastic plate 24 away from the fixed base plate 19. The guide plate 25 is a square stainless steel plate. A second elastic plate 26 is fixedly connected to the outer wall of the end of plate 24 away from the fixed base plate 19. The second elastic plate 26 is an S-shaped stainless steel plate. When the second elastic plate 26 is subjected to force, it will deform along its bending direction. Several first limiting plates 27 are fixedly connected to the inner wall of the top of the first clearance groove 20 near the central axis of the fixed base plate 19. The first limiting plates 27 are square stainless steel columns. There are two first limiting plates 27, and the top of the end of the first limiting plate 27 away from the central axis of the fixed base plate 19 is chamfered. A fixing screw 36 is snapped into the top outer wall of the second elastic plate 26. A threaded stainless steel column is formed on the outer wall of one end of the fixing screw 36. A slot 37 is formed on the outer wall of the fixing screw 36. The slot 37 is square. The slot 37 has a rectangular strip of paper inserted into its inner wall. The outer contour of the strip matches the inner contour of the slot 37, allowing it to be inserted into the slot. A fixing nut 38 is screwed onto the end wall of the fixing screw 36. By rotating the fixing nut 38, the strip is fixed in place within the slot 37. A fixing screw 36 is also inserted into the other end of the strip, and a fixing nut 38 is screwed onto the end wall of the fixing screw 36. When the operator guides the strip by the chamfered guide plate 25 and the first limiting plate 27, it slides towards the second spring. On the top outer wall of the second elastic plate 26, during this process, the first elastic plate 24 will be stressed and deform along its bending direction. As the fixing screw 36 slides to the middle of the second elastic plate 26, the first elastic plate 24 will restore its deformation along its bending direction and drive the fixing screw 36 towards the first limiting plate 27. At this time, the fixing screw 36 will abut against the bottom outer wall of the first limiting plate 27. The second elastic plate 26 will be stressed and deform along its bending direction. At the same time, the cooperation of the first limiting plate 27 and the second elastic plate 26 forms a limit on the fixing screw 36. Then, the sliding circular plate 30 is pressed, so that the spring 29 is stressed and deforms along its bending direction until the light hole 35 on the baffle 34 is aligned with the laser transceiver 44.Then, the fixing screw 36 at the other end of the limiting paper tape 39 is placed on the top outer wall of the second limiting plate 32, thus limiting the sliding circular plate 30. This structural setup uses the limiting paper tape 39 to limit the sliding circular plate 30 and the spring 29. Simultaneously, after the limiting paper tape 39 is wetted by coolant, its elasticity, combined with that of the spring 29, releases the limitation on the sliding circular plate 30, triggering an alarm to remind personnel to carry out maintenance work promptly.

[0032] like Figures 5 to 9As shown, the bottom outer wall of the guide cylinder 11 has several first sliding grooves 13 arranged in a circular array, and the top outer wall of the fixed base plate 19 has several third sliding grooves 21. Both the first sliding grooves 13 and the third sliding grooves 21 are convex grooves, and the positions of the first sliding grooves 13 and the third sliding grooves 21 correspond to each other. The same sliding column 40 is slidably connected to the inner walls of the first sliding grooves 13 and the third sliding grooves 21. The sliding column 40 is an I-shaped stainless steel column, and the outer wall contours at both ends of the sliding column 40 are adapted to the inner wall contours of the first sliding grooves 13 and the third sliding grooves 21, respectively. Therefore, the two ends of the sliding column 40 can slide on the inner walls of the first sliding grooves 13 and the third sliding grooves 21, respectively. A third elastic plate 43 is symmetrically fixedly connected to the outer walls near both sides. The third elastic plate 43 is a C-shaped stainless steel plate. The end of the third elastic plate 43 near the top of the sliding column 40 is fixedly connected to the bottom of the guide cylinder 11 near the outer wall of the first sliding groove 13. The end of the third elastic plate 43 near the bottom of the sliding column 40 is fixedly connected to the top of the fixed base plate 19 near the outer wall of the third sliding groove 21. A second abutting column 42 is fixedly connected to the outer wall of the middle part of the sliding column 40 near the central axis of the fixed base plate 19. The second abutting column 42 is a square stainless steel column, and the bottom of the second abutting column 42 is chamfered on the outer wall of the side away from the sliding column 40. The chamfer on the second abutting column 42 is the same as the first sliding groove 13. The chamfered edges on the abutting post 33 abut against each other. A second scraper 41 is fixedly connected to the outer wall of the sliding post 40 on the side away from the second abutting post 42. The second scraper 41 is a C-shaped plate. When the second scraper 41 is under force, it will deform along its bending direction. The end of the second scraper 41 away from the sliding post 40 is provided with a slope. This design allows the second scraper 41 to better fit the inner wall of the water collection cylinder 7. When the limit of the sliding circular plate 30 is released, the spring 29 is no longer under force and returns to its bending direction, pushing the sliding circular plate 30 to slide along the outer wall of the connecting cylinder 14 towards the guide cylinder 11. At this time, the first abutting post 33 will move towards the guide cylinder 11 under the action of the sliding circular plate 30. When the first contact post 33 is pressed against the water tank 7, the second contact post 42 moves away from the central axis of the water tank 7. The sliding post 40 moves towards the inner wall of the water tank 7 under the action of the second contact post 42. Under the action of the second contact post 42, the end of the second scraper 41 away from the sliding post 40 presses against the inner wall of the water tank 7. Then the water tank 7 is rotated and removed. During this process, the end of the second scraper 41 away from the sliding post 40 can scrape and clean the inner wall of the water tank 7. With the above structure, the inner wall of the water tank 7 can be scraped at the same time as the water tank 7 is removed from the water inlet tube 3. This makes it convenient for the staff to clean the inner wall of the water tank 7 in advance and can effectively improve the work efficiency of the staff.

[0033] The present invention also provides a method for using a converter valve leakage monitoring device, comprising the following steps: Step 1, Device Assembly: Fit the water collection cylinder 7 onto the outer wall of the water intake cylinder 3 and rotate it. Fix it by engaging the first locking post 6 with the second locking groove 8. Then, fix the fixing screw 36 at one end of the limiting paper tape 39 with the guide plate 25, the first limiting plate 27 and the second elastic plate 26 to achieve the limiting. Press the sliding round plate 30 to compress the spring 29. Place the fixing screw 36 at the other end of the limiting paper tape 39 onto the second limiting plate 32 to limit the sliding round plate 30. Finally, engage the second locking post 10 into the first locking groove 4 so that the guide cylinder 11 and the fixed base plate 19 are inserted into the water collection cylinder 7 to complete the overall assembly. Step 2, Leakage Collection: When the valve tower 1 is running, if the coolant leaks, the leaked coolant falls into the water collection pan 2. It flows through the guide on the inner wall of the bottom of the water collection pan 2 to a position near the middle, and then flows into the first clearance groove 20 through the water inlet 5, water inlet cylinder 3, guide surface 12, connecting cylinder 14 and guide groove 28, and wets the corresponding end of the limiting paper tape 39. The leaked coolant is collected with the cooperation of the second clearance groove 23 and the water collection cylinder 7. Step 3, alarm triggering: After the limiting paper tape 39 is broken by the elastic force of the spring 29, the sliding circular plate 30 is released from the limit and slides towards the guide cylinder 11, which drives the baffle 34 to block the laser transceiver 44. The signal transmitter 45 transmits the signal to the valve tower 1 control system to trigger the alarm. At the same time, the first abutting column 33 pushes the relevant components to move, so that the second scraper 41 closely abuts against the inner wall of the water collection cylinder 7. Step 4, Maintenance and Cleaning: After receiving the alarm, the staff will stop the machine for maintenance. First, open the drain hole 9 to drain the coolant in the water collection cylinder 7, and then disassemble the water collection cylinder 7. During the rotation and removal of the water collection cylinder 7, the second scraper 41 and the first scraper 22 will scrape its inner wall in turn to facilitate subsequent cleaning.

[0034] The working principle of the technical solution provided by this invention is as follows: In use, after fitting the water collection tube 7 onto the outer wall of the water inlet tube 3, rotating the water collection tube 7 will cause the first locking post 6 to slide along the inner wall of the second locking groove 8. With the cooperation of the two, the water collection tube 7 can be fixed. Then, the worker inserts the fixing screw 36, which is attached to one end of the limiting paper tape 39, along the chamfer guide of the guide plate 25 and the first limiting plate 27, and slides it toward the top outer wall of the second elastic plate 26. During this process, the first elastic plate 24 will be stressed and deform along its bending direction. When the fixing screw 36 slides to the middle of the second elastic plate 26, the first elastic plate 24 will restore its deformation along the bending direction and drive the fixing screw 36 to move toward the first limiting plate 27, so that the fixing screw 36 abuts against the bottom outer wall of the first limiting plate 27. At this time, the second elastic plate 26 is stressed and deforms along its bending direction. With the cooperation of the first limiting plate 27 and the second elastic plate 26, the fixing screw 36 is limited.

[0035] Next, press the sliding circular plate 30 to compress and deform the spring 29 until the light hole 35 on the baffle 34 is aligned with the laser transceiver 44. Then, place the fixing screw 36 at the other end of the limiting paper tape 39 on the top outer wall of the second limiting plate 32 to limit the sliding circular plate 30. Then, snap the second snap-fit ​​post 10 into the inner wall of the first snap-fit ​​groove 4. The guide cylinder 11 and the fixed base plate 19 will be inserted into the inner wall of the water collection cylinder 7 during the snap-fit ​​process, thus completing the overall installation.

[0036] During the operation of valve tower 1, if coolant leaks, the leaked coolant will fall into water collection pan 2, flow along the guide on the inner wall of the bottom of water collection pan 2 to a position near the middle, and then flow through water inlet trough 5 to the inside of water inlet cylinder 3. Subsequently, under the guidance of guide surface 12, coolant flows into connecting cylinder 14 and enters first clearance groove 20 through guide groove 28. It first wets the end of limiting paper tape 39 near the first clearance groove 20. Under the elastic force of spring 29, limiting paper tape 39 is torn off, and the limiting of sliding circular plate 30 is released. Then, driven by spring 29, it slides along the outer wall of connecting cylinder 14 towards guide cylinder 11.

[0037] At this time, the baffle 34 slides along the inner wall of the second sliding groove 16 towards the guide cylinder 11 with the sliding circular plate 30, blocking the laser transceivers 44 on both sides of the first fixed column 15. After receiving the signal, the signal transmitter 45 transmits it to the control system of the valve tower 1 and triggers the alarm. At the same time, the first abutting column 33 moves towards the guide cylinder 11 with the sliding circular plate 30. Under its abutting action, the second abutting column 42 moves away from the central axis of the water collection cylinder 7. The sliding column 40 moves towards the inner wall of the water collection cylinder 7 with the second abutting column 42. Finally, the second scraper 41 driven by the second abutting column 42 moves away from the end of the sliding column 40 and closely abuts against the inner wall of the water collection cylinder 7.

[0038] Upon detecting the alarm, the staff immediately stopped the operation of valve tower 1 and began maintenance work. First, they opened the drain hole 9 to drain the coolant from the water collection cylinder 7. Then, they disassembled the water collection cylinder 7 for cleaning. When rotating the water collection cylinder 7, the end of the second scraper 41 away from the sliding column 40 scraped its inner wall. Furthermore, during the process of removing the water collection cylinder 7 from the outer wall of the water inlet cylinder 3, the first scraper 22 scraped the inner wall of the water collection cylinder 7 again, facilitating subsequent cleaning work.

[0039] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0040] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A leakage monitoring device for a converter valve, comprising a valve tower, characterized in that, A water collection tray is fixedly connected to the bottom of the valve tower. An inclined surface sloping towards the center is provided on the inner bottom wall of the water collection tray. A water inlet cylinder is fixedly connected to the inner bottom wall of the water collection tray. Several first snap-fit ​​grooves are arranged in a circular array on the outer top wall of the water inlet cylinder. Several water inlet channels are arranged in a circular array on the outer wall of the water inlet cylinder near the first snap-fit ​​grooves. First snap-fit ​​posts are symmetrically fixedly connected to the outer wall of the water inlet cylinder near the bottom. A monitoring component is used to monitor the leakage of the converter valve and is connected to the water inlet cylinder.

2. The leakage monitoring device for the converter valve according to claim 1, characterized in that, The monitoring component includes a second snap-fit ​​post snapped onto the inner wall of the first snap-fit ​​groove, and a guide cylinder is fixedly connected to the bottom of the second snap-fit ​​post. The monitoring component also includes a water collection cylinder sleeved on the outer wall of the water inlet cylinder. Several second snap-fit ​​grooves are provided on the outer wall of the water collection cylinder near the top, arranged in a circumferential array. A water outlet hole is provided on the inner wall of the bottom of the water collection cylinder.

3. The leakage monitoring device for the converter valve according to claim 2, characterized in that, The guide cylinder has a guide surface on its top outer wall and several first sliding grooves arranged in a circular array on its bottom outer wall. A connecting cylinder is fixedly connected to the bottom outer wall of the guide cylinder, and a fixed base plate is fixedly connected to the bottom end of the connecting cylinder. Several first fixed columns arranged in a circular array are fixedly connected to the middle outer wall of the connecting cylinder.

4. The leakage monitoring device for the converter valve according to claim 3, characterized in that, The bottom inner wall of the connecting cylinder has several guide grooves arranged in a circular array, and the top outer wall of the fixed base plate has several first clearance grooves and several third sliding grooves. The first clearance grooves are arranged in a circular array, and the third sliding grooves are arranged in a circular array. The bottom outer wall of the connecting cylinder has a second clearance groove, and a first scraper is fixedly connected to the outer wall of the fixed base plate near the second clearance groove.

5. The converter valve leakage monitoring device according to claim 4, characterized in that, A first elastic plate is fixedly connected to the inner wall of the first clearance groove near the central axis of the fixed base plate. A guide plate is fixedly connected to the end of the first elastic plate away from the fixed base plate. A second elastic plate is fixedly connected to the outer wall of the first elastic plate away from the fixed base plate. A plurality of first limiting plates are fixedly connected to the inner wall of the top of the first clearance groove near the central axis of the fixed base plate. A fixing screw is snapped into the top outer wall of the second elastic plate. A slot is opened on the outer wall of the fixing screw. A fixing nut is screwed into the end wall of the fixing screw. A limiting paper tape is inserted into the inner wall of the slot.

6. The leakage monitoring device for the converter valve according to claim 5, characterized in that, The first sliding groove and the third sliding groove are slidably connected to the same sliding column on their inner walls. The outer walls near the two sides are symmetrically fixedly connected to third elastic plates. The middle part of the sliding column is fixedly connected to the outer wall on the side near the central axis of the fixed base plate. The outer wall of the sliding column away from the second abutment column is fixedly connected to a second scraper.

7. The converter valve leakage monitoring device according to claim 5, characterized in that, A spring is fixedly connected to the top outer wall of the fixed base plate. A sliding circular plate is fixedly connected to the end of the spring away from the fixed base plate. A number of third clearance grooves are provided on the outer wall of the sliding circular plate in a circumferential array. A number of second limiting plates are fixedly connected to the inner wall of the third clearance groove on the side closer to the central axis of the sliding circular plate.

8. The leakage monitoring device for the converter valve according to claim 7, characterized in that, A plurality of first abutment posts arranged in a circumferential array are fixedly connected to the top outer wall of the sliding circular plate. A plurality of baffles arranged in a circumferential array are fixedly connected to the outer wall of the sliding circular plate near the first abutment posts. Light-transmitting holes are opened on the outer wall of the baffles near the top.

9. The leakage monitoring device for the converter valve according to claim 8, characterized in that, A second sliding groove is provided on the top outer wall of the first fixed column. Second fixed columns are symmetrically fixedly connected to both sides of the first fixed column. A snap-fit ​​plate is fixedly connected to the end of the second fixed column away from the first fixed column. A laser transceiver is snapped onto the inner wall of the snap-fit ​​plate. A signal transmitter is fixedly connected to the end of the laser transceiver away from the baffle.

10. The method of using the leakage monitoring device for the converter valve according to any one of claims 1-9, characterized in that, Includes the following steps: Step 1: Assembly of the device: Fit the water collection cylinder onto the outer wall of the water intake cylinder and rotate it. Then, snap the second locking post into the first locking groove so that the guide cylinder and the fixed base plate are inserted into the water collection cylinder to complete the overall assembly. Step 2, Leakage Collection: When the valve tower is running, if the coolant leaks, it will flow into the first clearance groove after being guided through multiple stages and wet the limiting paper tape, and the leaked coolant will be collected. Step 3, alarm triggering: After the limit paper tape is broken by the spring, the sliding circular plate is released from the limit and slides, which drives the baffle to block the laser transceiver. The signal transmitter transmits the signal to the valve tower control system and triggers the alarm. Step 4, Maintenance and Cleaning: After the staff discovers the alarm, they should immediately stop the valve tower, open the drain hole to drain the coolant in the water tank, and scrape the cylinder wall with the second scraper and the first scraper in turn during disassembly to facilitate subsequent cleaning operations.

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