A high-precision water meter with automatic water leakage alarm function

Abstract

The present invention discloses a high-precision water meter with an automatic water leakage alarm function, comprising a dial body, wherein the top of the dial body is connected to a meter cover by a hinge, the top of the meter cover is provided with a ventilation mechanism, the bottom two sides of the dial body are respectively connected with water outlets, and the outer walls of the water outlets are provided with water outlet monitoring mechanisms, the interior of the dial body is provided with a water leakage monitoring mechanism and a drying mechanism, the dial body is provided with a digital display dial and a central control box, the water leakage monitoring mechanism comprises a sponge, the outer wall of the sponge fits the inner wall of the dial body, a groove is provided in the sponge, and a water content detector is fixed in the groove, and a control chip is provided inside the central control box. The high-precision water meter with an automatic water leakage alarm function disclosed by the present invention has the effect of accurately distinguishing the water leakage inside the dial or the water outlet connection position, avoiding unnecessary operations caused by misjudgment, and optimizing the use experience.

Description

Technical Field

[0001] The invention relates to the technical field of high-precision water meter leakage monitoring, and in particular to a high-precision water meter with an automatic leakage alarm function. Background Art

[0002] The volumetric water meter measures the actual volume of the fluid passing through the water meter. The most vivid analogy is like the revolving door in front of a large supermarket or hotel, which can only rotate in a fixed direction. Every time it rotates a certain angle, the fluid will pass through the water meter to the other side. Therefore, the volumetric water meter is more accurate than the velocity water meter and is recognized as the most accurate meter.

[0003] During the use of volumetric water meters, although the rotating disk used for measurement is at a certain distance from the dial and will not easily cause water leakage, long-term use and repeated temperature influences may make the outer shell of the water meter brittle or enlarge the original defects of the water meter, causing water leakage at the water port connections at both ends of the water meter and inside the dial, which may affect the water measurement at the least and cause the internal circuit structure of the dial to short-circuit at worst, thus destroying the normal use of the water meter.

[0004] Application No. CN112179439A discloses a smart water meter with automatic water leakage alarm function, including a water meter body, a water inlet, a water outlet, a water meter plate and a cover plate. By setting a temperature and humidity sensor and a dryer on the water meter, the temperature and humidity sensor can monitor the temperature and humidity inside the water meter in real time. When the humidity is too high, the temperature is too low or there is a water leak, a signal can be sent to the main controller for alarm. However, monitoring by temperature and humidity sensors alone cannot effectively distinguish between water leaks and high air humidity caused by humid seasons, and it is easy to make a misjudgment. Summary of the invention

[0005] The invention discloses a high-precision water meter with an automatic water leakage alarm function, aiming to solve the technical problem of how to accurately distinguish between the water leakage and the high air humidity caused by the humid season while monitoring the water leakage of the water meter.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A high-precision water meter with an automatic water leakage alarm function comprises a dial body, the top of the dial body is connected to a meter cover through a hinge, the top of the meter cover is provided with a ventilation mechanism, the bottom of the dial body is respectively connected to water ports on both sides, and the outer wall of the water port is provided with a water port monitoring mechanism, the dial body is provided with a water leakage monitoring mechanism and a drying mechanism, the dial body is provided with a digital display dial and a central control box, the water leakage monitoring mechanism comprises a sponge, the outer wall of the sponge is in contact with the inner wall of the dial body, and the sponge is provided with a A groove is arranged, and a water content detector is fixed in the groove. A control chip is arranged inside the central control box, and the control chip includes a wireless connection module and a data receiving module. The water outlet monitoring mechanism includes an upper covering shell and a lower covering shell. The inner wall of the upper covering shell is provided with a guide plate. The bottom inner wall of the lower covering shell is connected to a water collecting tank, and a water immersion detection head is arranged in the water collecting tank. The inner walls of one side of the upper covering shell and the lower covering shell are respectively provided with water-passing square holes, and the specifications of the multiple water-passing square holes are consistent and the positions correspond to each other.

[0008] By providing a water outlet monitoring mechanism and a water leakage monitoring mechanism, when water is generated inside the dial body, it is first quickly absorbed by the sponge arranged inside. When the water content detector detects the inside of the sponge, the data detected is the average water content of the sponge. According to the measured water content, it can be effectively distinguished whether the water absorbed in the sponge is affected by the weather or water leakage occurs at the bottom of the dial body. After distinguishing the water leakage, a remote alarm is given through the wireless connection module. Correspondingly, after the water meter is installed, the upper covering shell and the lower covering shell in the water outlet monitoring mechanism respectively cover the upper and lower positions of the connection, and the water is guided by the guide plate to directly enter the water collection tank. When the water level in the water collection tank reaches the detection height of the water immersion detection head, a remote alarm is given through the wireless connection module. Therefore, water leakage is identified by this method, and the water leakage inside the dial or at the water outlet connection position can be accurately distinguished to avoid unnecessary operations caused by misjudgment and optimize the user experience.

[0009] In a preferred embodiment, the water outlet monitoring mechanism includes a plurality of sliding rods, which are respectively fixed on the outer walls on both sides of each water outlet, and the outer walls of the sliding rods are movably sleeved with sliders, and the top outer walls and bottom outer walls of the sliders are respectively provided with springs, and the other ends of the springs are respectively connected to the upper covering shell and the lower covering shell.

[0010] By providing a sliding rod, a slider and a spring, since it is difficult to determine the peripheral thickness of the installation position after the water outlet is installed, the upper covering shell and the lower covering shell are connected by a spring, and the upper covering shell and the lower covering shell are moved along the sliding rod and the slider during installation, and the spring is compressed to make them fit the surface of the connection position, and then fixed by a cable tie, wherein the sliding rod and the slider play a limiting role to avoid misalignment or loss of the upper covering shell and the lower covering shell, and the adaptability of the upper covering shell and the lower covering shell is optimized under the setting of the spring, thereby improving the tightness of covering.

[0011] In a preferred solution, the dial body includes a base plate, a center bracket is connected to the center position of the base plate, the digital display dial and the central control box are fixed on the top of the center bracket, the height of the center bracket is higher than the height of the sponge, a leakage hole is provided on the inner wall of one side of the dial body, the leakage hole is located in the middle section of the sponge, a connecting rod is provided on the top inner wall of the leakage hole, a baffle is movably sleeved on the outer wall of the connecting rod, the outer wall of the baffle fits the inner wall of the leakage hole, a limiting plate is provided on the inner wall of the leakage hole, the bottom end of the digital display dial is connected to a linkage frame, and the linkage frame passes through the sponge and the base plate.

[0012] A water leakage hole and a center bracket are provided, wherein the height of the digital display dial and the central control box is increased by the center bracket. When water enters the dial, the water is absorbed by the sponge. If the amount of water is within the capacity of the sponge, the water will not seep out and threaten the digital display dial and the central control box. If the amount of water exceeds the capacity of the sponge and overflows the sponge, it will be discharged from the water leakage hole at the lower end first to avoid the water level from rising, thereby protecting the digital display dial and the central control box. At the same time, the water leakage hole is connected to the baffle through a connecting rod, and a limit plate is provided so that the baffle can only be opened outward. When there is no need to drain water outward, the water remains in a sealed state to avoid water entering from the outside.

[0013] In a preferred embodiment, the dial body includes a supporting shell, the drying mechanism includes a heating plate, the heating plate is arranged inside the supporting shell, a connecting frame is provided on the inner wall of the supporting shell, the supporting shell is connected to a micro cylinder through the connecting frame, the bottom end of the micro cylinder is connected to a pressing grid, and the pressing grid covers the top of the sponge.

[0014] By providing a heating plate, a micro cylinder and a pressing grid, when the sponge is filled with water, the micro cylinder is started by remote control to press the pressing grid downward, compressing the sponge while squeezing out the internal water and discharging it through the water outlet. After the drainage is completed, the internal temperature is raised by starting the heating plate, thereby drying the sponge. The generated water vapor is discharged by the ventilation mechanism, completing the automatic drying operation, thereby ensuring the long-term use effect of the sponge. At the same time, the heating plate can also increase the internal temperature of the water meter, so that it has a certain cold-resistant function.

[0015] In a preferred embodiment, the ventilation mechanism includes a supporting pipe mouth, the inner wall of the cover is provided with a vent, and the supporting pipe mouth is connected to the vent, the outer wall of the supporting pipe mouth is provided with a plurality of slots at equal density, the inner wall of the supporting pipe mouth is provided with a sealing plate, the outer wall of the sealing plate fits the inner walls of the plurality of slots, the bottom end of the supporting pipe mouth is provided with a base frame, the top end of the base frame is connected with a second spring, the other end of the second spring is connected to the sealing plate, the top outer wall of the sealing plate is connected with a support rod, the outer wall of the support rod is provided with a plurality of teeth, the outer wall of the teeth is meshed with a tooth column, the two ends of the tooth column are connected with bearing seats, and one side of the tooth column is connected with a stepping motor.

[0016] A ventilation mechanism and a central control box are provided, in which the stepper motor can be remotely operated through a wireless connection module. When the drying mechanism is running, the stepper motor is controlled to rotate, so that the sealing plate is driven to move up under the action of the gear column and the card teeth, so that the sealing plate and the bottom end of the card slot are offset, thereby opening the vent, otherwise it is closed. While ensuring air circulation in the drying state, it can also ensure the sealing of the dial body under normal circumstances.

[0017] As can be seen from the above, a high-precision water meter with an automatic water leakage alarm function includes a dial body, the top of the dial body is connected to a meter cover through a hinge, the top of the meter cover is provided with a ventilation mechanism, the bottom two sides of the dial body are respectively connected with water ports, and the outer wall of the water port is provided with a water port monitoring mechanism, the inside of the dial body is provided with a water leakage monitoring mechanism and a drying mechanism, the dial body is provided with a digital display dial and a central control box, the water leakage monitoring mechanism includes a sponge, the outer wall of the sponge is attached to the inner wall of the dial body, and the sponge A groove is arranged inside, and a water content detector is fixed in the groove. A control chip is arranged inside the central control box, and the control chip includes a wireless connection module and a data receiving module. The water outlet monitoring mechanism includes an upper covering shell and a lower covering shell. The inner wall of the upper covering shell is provided with a guide plate. The inner wall of the bottom end of the lower covering shell is connected to a water collecting tank, and a water immersion detection head is arranged in the water collecting tank. The inner walls of one side of the upper covering shell and the lower covering shell are respectively provided with water passing square holes, and the specifications of the plurality of water passing square holes are consistent and the positions correspond to each other. The high-precision water meter with automatic water leakage alarm function provided by the present invention has the technical effect of accurately distinguishing the water leakage inside the dial or the water outlet connection position, avoiding unnecessary operations caused by misjudgment, and optimizing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall appearance structure of a high-precision water meter with automatic water leakage alarm function proposed by the present invention.

[0019] Figure 2This is a schematic diagram of the internal split structure of a dial body of a high-precision water meter with an automatic water leakage alarm function proposed by the present invention.

[0020] Figure 3 This is a structural schematic diagram of a water outlet monitoring mechanism of a high-precision water meter with an automatic water leakage alarm function proposed by the present invention.

[0021] Figure 4 The present invention provides a schematic cross-sectional structure diagram of an upper covering shell and a lower covering shell of a high-precision water meter with an automatic water leakage alarm function.

[0022] Figure 5 This is a schematic diagram of the internal structure of a water leakage hole of a high-precision water meter with an automatic water leakage alarm function proposed by the present invention.

[0023] Figure 6 This is a schematic structural diagram of the ventilation mechanism of a high-precision water meter with an automatic water leakage alarm function proposed by the present invention.

[0024] Figure 7 This is a schematic diagram of the structure of a central control box of a high-precision water meter with an automatic water leakage alarm function proposed by the present invention.

[0025] In the figure: 1. dial body; 2. meter cover; 3. ventilation mechanism; 4. water leakage hole; 5. water outlet monitoring mechanism; 6. water outlet; 7. support shell; 8. heating plate; 9. digital display dial; 10. central control box; 11. connecting frame; 12. micro cylinder; 13. pressing grid plate; 14. bottom plate; 15. water content detector; 16. sponge; 17. center bracket; 18. linkage frame; 20. lower cover shell; 21 , sliding rod; 22, spring; 23, water immersion detection head; 24, slider; 25, upper cover shell; 26, guide plate; 27, water-passing square hole; 28, water collecting trough; 29, connecting rod; 30, limit plate; 31, baffle; 32, stepping motor; 33, gear column; 34, latching tooth; 35, support rod; 36, support pipe mouth; 37, sealing plate; 38, bottom frame; 39, second spring; 40, latching groove; 41, bearing seat. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] The invention discloses a high-precision water meter with an automatic water leakage alarm function, which is mainly used in the scenario of water meter leakage monitoring.

[0028] Reference Figure 1-Figure 4 and Figure 7A high-precision water meter with an automatic water leakage alarm function comprises a dial body 1, the top of the dial body 1 is connected to a meter cover 2 through a hinge, a ventilation mechanism 3 is arranged on the top of the meter cover 2, water ports 6 are connected to both sides of the bottom of the dial body 1, and a water port monitoring mechanism 5 is arranged on the outer wall of the water port 6, a water leakage monitoring mechanism and a drying mechanism are arranged inside the dial body 1, a digital display dial 9 and a central control box 10 are arranged inside the dial body 1, and the water leakage monitoring mechanism comprises a sponge 16, and the outer wall of the sponge 16 fits the inner wall of the dial body 1 A groove is provided in the sponge 16, and a water content detector 15 is fixed in the groove. A control chip is provided inside the central control box 10, and the control chip includes a wireless connection module and a data receiving module. The water outlet monitoring mechanism 5 includes an upper cover shell 25 and a lower cover shell 20. The inner wall of the upper cover shell 25 is provided with a guide plate 26. The inner wall of the bottom end of the lower cover shell 25 is connected to a water collection tank 28, and a water immersion detection head 23 is provided in the water collection tank 28. The inner walls of one side of the upper cover shell 25 and the lower cover shell 20 are respectively provided with water passages. The square holes 27 have the same specifications and are located in pairs. When water is generated inside the dial body 1, it is first quickly absorbed by the sponge 16 arranged inside. When the water content detector 15 detects the inside of the sponge 16, the data detected is the average water content of the sponge 16. According to the measured water content, it can be effectively distinguished whether the water absorbed by the sponge 16 is affected by the weather or the bottom of the dial body 1 is leaking. Correspondingly, after the water meter is installed, the upper covering shell 25 and the lower covering shell 5 in the water outlet monitoring mechanism 5 are The body 20 covers the upper and lower positions of the connection respectively, and is guided by the guide plate 26 to allow water to enter the water collecting tank 28 through the water-passing square hole 27. When the lower covering shell 20 tends to leak, it directly enters the water collecting tank 28. When the water level in the water collecting tank 28 reaches the detection height of the water immersion detection head 23, a remote alarm is issued through the wireless connection module. Therefore, water leakage is identified in this way, and the water leakage inside the dial or the water outlet connection position can be accurately distinguished, so as to avoid unnecessary operations caused by misjudgment and optimize the user experience.

[0029] Reference Figure 3 and Figure 4In a preferred embodiment, the water outlet monitoring mechanism 5 includes a plurality of slide rods 21, and the plurality of slide rods 21 are respectively fixed to the outer walls on both sides of each water outlet 6, and the outer walls of the slide rods 21 are movably sleeved with sliders 24, and the top outer walls and the bottom outer walls of the sliders 24 are respectively provided with springs 22, and the other ends of the plurality of springs 22 are respectively connected to the upper covering shell 25 and the lower covering shell 20. Since it is difficult to determine the peripheral thickness of the installation position after the water outlet 6 is installed, the springs 22 are used to connect the upper covering shell 25 and the lower covering shell 20. During installation, the upper covering shell 25 and the lower covering shell 20 are moved along the slide rods 21 and the sliders 24, and the springs 22 are compressed to make them fit the surface of the connection position, and then fixed by cable ties, wherein the slide rods 21 and the sliders 24 play a limiting role to avoid misalignment or loss of the upper covering shell 25 and the lower covering shell 20, and optimize the adaptability of the upper covering shell 25 and the lower covering shell 20 under the setting of the springs 22, thereby improving the covering tightness.

[0030] Reference Figure 1 and Figure 2 In a preferred embodiment, the dial body 1 includes a base plate 14, a center bracket 17 is connected to the center position of the base plate 14, the digital display dial 9 and the central control box 10 are fixed on the top of the center bracket 17, the height of the center bracket 17 is higher than the height of the sponge 16, and a water leakage hole 4 is provided on the inner wall of one side of the dial body 1, and the position of the water leakage hole 4 is located in the middle section of the sponge 16.

[0031] Reference Figure 1 , Figure 2 and Figure 5 In a preferred embodiment, a connecting rod 29 is provided on the inner wall of the top of the water leakage hole 4, a baffle 31 is movably sleeved on the outer wall of the connecting rod 29, the outer wall of the baffle 31 is fitted with the inner wall of the water leakage hole 4, a limit plate 30 is provided on the inner wall of the water leakage hole 4, a linkage frame 18 is connected to the bottom end of the digital display dial 9, and the linkage frame 18 passes through the sponge 16 and the bottom plate 14, wherein the height of the digital display dial 9 and the central control box 10 is increased by the central bracket 17, when water enters the dial, the water is absorbed by the sponge 16, if the amount of water is within the sponge 16 Within the accommodation range, no water will seep out to threaten the digital display dial 9 and the central control box 10. If the water volume exceeds the accommodation range of the sponge 16 and overflows the sponge 16, it will be discharged from the leakage hole 4 at the lower end first to avoid the water level rising, thereby protecting the digital display dial 9 and the central control box 10. At the same time, the leakage hole 4 is connected to the baffle 31 through the connecting rod 29, and by setting the limit plate 30, the baffle 31 can only be opened outward, and it still maintains a sealed state without draining water outward, thereby avoiding water ingress from the outside.

[0032] Reference Figure 2In a preferred embodiment, the dial body 1 includes a supporting shell 7, and the drying mechanism includes a heating plate 8. The heating plate 8 is arranged inside the supporting shell 7. The inner wall of the supporting shell 7 is provided with a connecting frame 11. The supporting shell 7 is connected to a micro cylinder 12 through the connecting frame 11. The bottom end of the micro cylinder 12 is connected to a pressing grid 13. The pressing grid 13 covers the top of the sponge 16. When the sponge 16 is full of water, the micro cylinder 12 is started by remote control to press the pressing grid 13 downward, compressing the sponge 16 while squeezing out the internal water and discharging it through the water outlet 6. After the drainage is completed, the internal temperature is increased by starting the heating plate 8, thereby drying the sponge 16. The generated water vapor is discharged by the ventilation mechanism 3, completing the automatic drying operation, and ensuring the long-term use effect of the sponge. At the same time, the heating plate 8 can also increase the internal temperature of the water meter, so that it has a certain cold-resistant function.

[0033] Reference Figure 6 In a preferred embodiment, the ventilation mechanism 3 includes a supporting pipe mouth 36, the inner wall of the cover 2 is provided with ventilation holes, and the supporting pipe mouth 36 is connected to the ventilation holes, the outer wall of the supporting pipe mouth 36 is provided with multiple card grooves 40 with equal density, and the inner wall of the supporting pipe mouth 36 is provided with a sealing plate 37.

[0034] Reference Figure 6 In a preferred embodiment, the outer wall of the sealing plate 37 fits the inner walls of the plurality of slots 40 , a base frame 38 is provided at the bottom end of the support pipe mouth 36 , a second spring 39 is connected to the top end of the base frame 38 , and the other end of the second spring 39 is connected to the sealing plate 37 .

[0035] Reference Figure 6 In a preferred embodiment, the top outer wall of the sealing plate 37 is connected to a support rod 35, and the outer wall of the support rod 35 is provided with a plurality of latch teeth 34. The outer wall of the latch teeth 34 is meshed with a tooth column 33, and the two ends of the tooth column 33 are connected to a bearing seat 41. One side of the tooth column 33 is connected to a stepper motor 32, wherein the stepper motor 32 can be remotely operated through a wireless connection module for operation. When the drying mechanism is running, the stepper motor 32 is controlled to rotate, thereby driving the sealing plate 37 to move up under the action of the tooth column 33 and the latch teeth 24, so that the sealing plate 37 is staggered with the bottom end of the slot 40, thereby opening the vent, and vice versa. While ensuring air circulation in the drying state, the sealing of the dial body 1 under normal circumstances can also be ensured.

[0036] Working principle: When water is generated inside the dial body 1, it is first quickly absorbed by the sponge 16 set inside. During the process of absorbing water, the water spreads in the sponge 16, causing the water content of each part of the sponge 16 to be balanced. When the water content detector 15 detects the inside of the sponge 16, the data detected is the average water content of the sponge 16. According to the measured water content, it can be effectively distinguished whether the water absorbed by the sponge 16 is affected by the weather or the bottom of the dial body 1 is leaking. After distinguishing the leakage, a remote alarm is issued through the wireless connection module. Accordingly, after the water meter is installed, the water outlet monitoring mechanism 5 in the water outlet monitoring mechanism 5 The upper covering shell 25 and the lower covering shell 20 cover the upper and lower positions of the connection respectively. When water leakage occurs in the area covered by the upper covering shell 25, the water is guided by the guide plate 26 to enter the water collecting tank 28 through the water-passing square hole 27. When water leakage tends to occur in the area covered by the lower covering shell 20, the water directly enters the water collecting tank 28. When the water level in the water collecting tank 28 reaches the detection height of the water immersion detection head 23, a remote alarm is issued through the wireless connection module. Therefore, water leakage identification can be performed in this way to accurately distinguish water leakage inside the dial or at the water outlet connection position, avoid unnecessary operations caused by misjudgment, and optimize the user experience.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision water meter with an automatic water leakage alarm function, comprising a dial body (1), characterized in that: The top of the dial body (1) is connected to a cover (2) via a hinge, a ventilation mechanism (3) is provided at the top of the cover (2), water outlets (6) are connected to the two sides of the bottom of the dial body (1), and a water outlet monitoring mechanism (5) is provided on the outer wall of the water outlet (6), a water leakage monitoring mechanism and a drying mechanism are provided inside the dial body (1), a digital display dial (9) and a central control box (10) are provided inside the dial body (1), and the water leakage monitoring mechanism comprises a sponge (16), the outer wall of the sponge (16) is in contact with the inner wall of the dial body (1), a groove is provided inside the sponge (16), and a water content detection device is fixed in the groove. The central control box (10) is provided with a control chip inside, and the control chip includes a wireless connection module and a data receiving module. The water outlet monitoring mechanism (5) includes an upper cover shell (25) and a lower cover shell (20). The inner wall of the upper cover shell (25) is provided with a guide plate (26). The inner wall of the bottom end of the lower cover shell (25) is connected to a water collection tank (28), and a water immersion detection head (23) is provided in the water collection tank (28). The inner walls of one side of the upper cover shell (25) and the lower cover shell (20) are respectively provided with water passing square holes (27). The specifications of the plurality of water passing square holes (27) are consistent and the positions are corresponding to each other. The dial body (1) comprises a bottom plate (14), a center bracket (17) is connected to the center of the bottom plate (14), the digital display dial (9) and the central control box (10) are fixed on the top of the center bracket (17), the height of the center bracket (17) is higher than the height of the sponge (16), and a water leakage hole (4) is provided on the inner wall of one side of the dial body (1), and the position of the water leakage hole (4) is located in the middle section of the sponge (16); A connecting rod (29) is provided on the inner wall of the top end of the water leakage hole (4); a baffle (31) is movably sleeved on the outer wall of the connecting rod (29); the outer wall of the baffle (31) fits the inner wall of the water leakage hole (4); a limit plate (30) is provided on the inner wall of the water leakage hole (4); a linkage frame (18) is connected to the bottom end of the digital display dial (9); and the linkage frame (18) passes through the sponge (16) and the bottom plate (14).

2. A high-precision water meter with automatic water leakage alarm function according to claim 1, characterized in that: The water outlet monitoring mechanism (5) comprises a plurality of sliding rods (21), the plurality of sliding rods (21) being respectively fixed to the outer walls on both sides of each water outlet (6), the outer walls of the sliding rods (21) being movably sleeved with a slider (24), the top outer wall and the bottom outer wall of the slider (24) being respectively provided with a spring (22), the other ends of the plurality of springs (22) being respectively connected to the upper covering shell (25) and the lower covering shell (20).

3. A high-precision water meter with automatic water leakage alarm function according to claim 1, characterized in that: The dial body (1) comprises a supporting shell (7), the drying mechanism comprises a heating plate (8), the heating plate (8) is arranged inside the supporting shell (7), a connecting frame (11) is arranged on the inner wall of the supporting shell (7), the supporting shell (7) is connected to a micro cylinder (12) via the connecting frame (11), the bottom end of the micro cylinder (12) is connected to a pressing grid (13), and the pressing grid (13) covers the top end of the sponge (16).

4. A high-precision water meter with automatic water leakage alarm function according to claim 1, characterized in that: The ventilation mechanism (3) comprises a support pipe opening (36), the inner wall of the surface cover (2) is provided with a ventilation hole, and the support pipe opening (36) is connected to the ventilation hole, the outer wall of the support pipe opening (36) is provided with a plurality of slots (40) at equal density, and the inner wall of the support pipe opening (36) is provided with a sealing plate (37).

5. A high-precision water meter with automatic water leakage alarm function according to claim 4, characterized in that: The outer wall of the sealing plate (37) fits the inner walls of the plurality of slots (40); a bottom frame (38) is provided at the bottom end of the supporting pipe opening (36); a second spring (39) is connected to the top end of the bottom frame (38); and the other end of the second spring (39) is connected to the sealing plate (37).

6. A high-precision water meter with automatic water leakage alarm function according to claim 5, characterized in that: The top outer wall of the sealing plate (37) is connected to a support rod (35), the outer wall of the support rod (35) is provided with a plurality of latching teeth (34), the outer wall of the latching teeth (34) is meshed with a tooth column (33), both ends of the tooth column (33) are connected to a bearing seat (41), and one side of the tooth column (33) is connected to a stepping motor (32).

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