Rainfall monitoring structure for preventing urban waterlogging

Abstract

The invention relates to the technical field of rainfall monitoring structures, and discloses a rainfall monitoring structure for preventing urban waterlogging, which comprises a collection funnel, an upper tipping bucket, a water injection funnel, a lower tipping bucket, a metering tipping bucket and a controller, a collection cavity is arranged in the collection funnel, the middle part of the upper tipping bucket is hinged, and upper bucket cavities for alternately collecting rainwater are arranged on two sides of the upper tipping bucket; the middle of the lower tipping bucket is hinged to the middle of the metering tipping bucket, the lower tipping bucket and the metering tipping bucket are respectively provided with a lower bucket cavity and a metering cavity which alternately collect the rainwater, a water outlet is formed in the metering tipping bucket, the rainwater is discharged through the water outlet, a magnet is arranged in the middle of the metering tipping bucket, and a reed pipe is arranged above the metering tipping bucket and connected with a controller. The bottom of the collecting funnel is provided with a fixed water filtering plate and a floating water filtering plate, the fixed water filtering plate is connected with a fixed shaft and sleeved with a longitudinal spring, the floating water filtering plate can float up and down, and a water filtering interval is formed between the fixed water filtering plate and the floating water filtering plate, so that timely and effective waterlogging prevention is achieved; and the urban inland inundation prevention requirement is met.

Description

Technical Field

[0001] The patent of this invention relates to the technical field of rainfall monitoring structure, specifically, to a rainfall monitoring structure for preventing urban waterlogging. Background Art

[0002] Rainfall monitoring is of great significance in urban management. It can provide valuable data for urban flood control and waterlogging prevention, support water resource management and flood prevention and disaster relief work, and help the government and relevant departments take measures in advance to reduce disaster losses through real-time monitoring of rainfall.

[0003] In the existing technology, rainfall monitoring structures are mostly single-stage filtration and metering structures. When faced with rainfall of different intensities and impurity contents, incomplete filtration and inaccurate metering are prone to occur. This makes it impossible for the equipment to provide reliable rainfall data under complex rainfall conditions, affecting the accuracy and timeliness of waterlogging prevention.

[0004] In addition, the signal transmission of some rainfall monitoring structures relies too much on mechanical or simple electronic components, which are easily affected by environmental factors such as humidity and temperature, resulting in unstable or interrupted signal transmission. This makes it impossible for the monitoring center to obtain rainfall data in real time and accurately, affecting the response speed and decision-making accuracy of the waterlogging prevention system. Summary of the invention

[0005] The purpose of the present invention is to provide a rainfall monitoring structure for preventing urban waterlogging, aiming to solve the problem that the existing technology cannot meet the needs of urban waterlogging prevention.

[0006] The present invention is implemented as follows: it comprises a collecting funnel for collecting rainwater, an upper tipping bucket located below the collecting funnel and swinging longitudinally, a water injection funnel located below the upper tipping bucket, a lower tipping bucket located below the water injection funnel and swinging longitudinally, a metering tipping bucket located below the lower tipping bucket and swinging longitudinally, and a controller;

[0007] The collecting funnel has a collecting chamber for collecting rainwater, the middle part of the upper dump bucket is hingedly arranged, and both sides of the upper dump bucket respectively have upper bucket chambers for alternately collecting rainwater in the chamber, and the water injection funnel has a water injection chamber for collecting rainwater in the upper bucket chamber;

[0008] The middle part of the lower bucket is hingedly arranged, and the two sides of the lower bucket are respectively provided with lower bucket cavities for alternately collecting rainwater in the water injection cavity; the middle part of the metering bucket is hingedly arranged, and the two sides of the metering bucket are respectively provided with metering cavities for alternately collecting rainwater in the lower bucket cavity; the metering bucket is provided with a drainage port connected with the metering cavity, and when the metering cavity swings from top to bottom, the rainwater in the metering cavity is discharged through the drainage port;

[0009] A hinged position is formed in the middle of the metering bucket, and a magnet is provided at the hinged position so as to swing longitudinally with the metering bucket; a reed switch is provided above the magnet, and the reed switch is electrically connected to a controller; when the magnet swings with the metering bucket, the magnet passes over the reed switch and turns on the reed switch, and the reed switch sends a pulse signal to the controller;

[0010] The bottom of the collecting funnel is provided with a collecting bottom opening, and rainwater in the collecting cavity falls into the upper hopper cavity through the collecting bottom opening. The collecting bottom opening is covered with a fixed water filter plate arranged in a fixed manner, and the fixed water filter plate is provided with a plurality of fixed water filter holes penetrating from top to bottom.

[0011] The fixed water filter plate is connected with a fixed shaft protruding thereon, the fixed shaft is sleeved with a longitudinal spring, the fixed shaft is provided with a floating water filter plate arranged to float up and down, the floating water filter plate is provided with a plurality of floating water filter holes arranged to penetrate up and down; the fixed shaft is movably arranged in the floating water filter plate, the bottom of the longitudinal spring abuts against the fixed water filter plate, and the top of the longitudinal spring abuts against the floating water filter plate;

[0012] There is a water filtering gap between the floating water filtering plate and the fixed water filtering plate, there is an annular gap between the outer periphery of the floating water filtering plate and the inner wall of the collecting chamber, and the longitudinal spring is pressed by the floating water filtering plate and is in a compressed state.

[0013] Furthermore, the outer periphery of the floating water filter plate is provided with an elastic rubber ring which is hollow inside and arranged in an annular shape, and the elastic rubber ring abuts against the inner side wall of the collecting cavity to close the annular interval.

[0014] Furthermore, the top of the elastic rubber ring is provided with a plurality of upper holes penetrating from top to bottom, and the plurality of upper holes are arranged around the circumference of the elastic rubber ring at intervals; the bottom of the elastic rubber ring is provided with a bottom opening ring arranged in an annular manner, and the bottom opening ring is arranged around the circumference of the elastic rubber ring.

[0015] Furthermore, the collecting bottom opening extends downwardly with a bottom tube arranged longitudinally, and the bottom tube has a water channel arranged vertically through it; the inner side wall of the water channel has a step ring arranged upwardly, and the step ring is arranged around the circumference of the water channel;

[0016] A horizontally rotatable water filter plate is provided in the sewer, the periphery of which is movably abutted against the step ring, and a plurality of water filter holes are provided in the water filter plate, the diameters of which are respectively smaller than the diameters of the fixed water filter hole and the floating water filter hole.

[0017] Further, the middle part of the water filter plate forms a water filter portion, the periphery of the water filter portion forms an outer peripheral portion, and the outer peripheral portion movably abuts against the step ring; the water filter portion arches upward to form a plurality of curved arch rings, the arch rings are arranged around the circumference of the water filter portion, the plurality of arch rings are arranged in sequence and spaced from each other, and the arch heights of adjacent arch rings are different;

[0018] There is a groove ring between adjacent arch rings, and a plurality of water filter holes are provided in the groove ring and the arch ring; along the circumference of the water filter part, the water filter holes in the groove ring and the water filter holes in the arch ring are staggered.

[0019] Furthermore, the peripheral portion is surrounded to form a peripheral groove, and the peripheral groove is arranged around the circumference of the peripheral portion. The peripheral groove passes through the bottom of the peripheral portion to form an annular opening; a plurality of rolling balls are arranged in the peripheral groove, and the balls are movably placed in the peripheral groove, and the bottom of the balls extends out of the annular opening, movably abutting against the step ring.

[0020] Furthermore, the rainfall monitoring structure for preventing urban flooding includes a base and a shell cylinder, wherein the shell cylinder is installed on the base, and the base closes the bottom of the shell cylinder; the shell cylinder has a longitudinally arranged shell cavity, and the collecting funnel, upper tip bucket, water injection funnel, lower tip bucket and metering tip bucket are arranged in the shell cavity from top to bottom in sequence; the top of the collecting funnel has a collecting port, and the collecting port is arranged at the top of the shell cavity, and the outer periphery of the collecting port overlaps the outer periphery of the top of the shell cavity.

[0021] Furthermore, the top of the base is recessed downward to form a recessed area, and a drainage channel is provided inside the base, which runs through the outer circumference of the base and is connected to the recessed area; after the metering bucket swings, rainwater in the metering cavity is discharged into the recessed area through the drainage port, and the rainwater in the recessed area is discharged to the outside through the drainage channel.

[0022] Furthermore, a level is provided on the base, a fixing seat is provided below the base, and an adjustment interval is provided between the base and the fixing seat; a plurality of fixing legs fixedly connected to the support extend outward from the periphery of the fixing seat, and the plurality of fixing legs are arranged around the circumference of the fixing seat at intervals;

[0023] A plurality of adjusting bolts are arranged between the adjusting intervals, and the plurality of adjusting bolts are arranged around the fixing seat at intervals along the circumference, the bottom of the adjusting bolt is fixedly connected to the fixing seat, the top of the adjusting bolt movably passes through the base, and the bolt is connected with a nut supporting the base;

[0024] After the fixing seat is fixed, the nuts on the bolts are adjusted to make the base swing relative to the fixing seat at a set angle until the base is in a horizontal arrangement state.

[0025] Furthermore, the bottom of the water injection funnel has a water injection outlet arranged downward, and the water injection outlet is covered with an elastic membrane layer, and the elastic membrane layer is provided with a plurality of membrane holes arranged vertically; when rainwater in the water injection cavity falls toward the water injection outlet, the elastic membrane layer elastically bulges downward and deforms, and in the process of rainwater falling into the lower bucket cavity through the plurality of membrane holes, the elasticity of the membrane holes changes, so that the rainwater is scattered and falls.

[0026] Compared with the prior art, the rainfall monitoring structure for preventing urban waterlogging provided by the present invention has the following technical advantages:

[0027] First, by adopting a multi-level dump bucket setting, rainwater can be collected and measured step by step, which improves the accuracy and reliability of rainfall monitoring, can more accurately reflect rainfall conditions, and provide more accurate data support for urban waterlogging prevention systems, thereby improving the timeliness and effectiveness of waterlogging prevention.

[0028] Secondly, the signal transmission system realizes stable signal transmission when the metering bucket swings through the cooperation of magnets and reed switches. This mechanism is simple and reliable and not easily affected by environmental factors. It ensures the real-time and accurate transmission of rainfall data, enabling the monitoring center to obtain rainfall information in a timely manner, take quick response measures, and effectively prevent the occurrence of urban waterlogging.

[0029] In addition, the double-layer filter plate can effectively filter impurities in rainwater and prevent clogging. The spring structure of the floating filter plate enables it to adapt to different water level changes, further improving the filtering effect. Ensuring the long-term stable operation of the equipment provides continuous and reliable monitoring data support for urban waterlogging prevention, and improves the overall performance and reliability of the waterlogging prevention system. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of a rainfall monitoring structure for preventing urban waterlogging provided by the present invention;

[0031] Figure 2 It is a structural schematic diagram of the floating water filter plate and the elastic rubber ring provided by the present invention;

[0032] Figure 3 It is a schematic diagram of the structure of the peripheral groove and the ball provided by the present invention;

[0033] Figure 4 It is a structural schematic diagram of the base and the fixing seat provided by the present invention;

[0034] Figure 5It is a structural schematic diagram of the water injection funnel provided by the present invention;

[0035] In the figure: collecting funnel 100, fixed water filter plate 101, fixed shaft 102, longitudinal spring 103, floating water filter plate 104, elastic rubber ring 105, upper hole 106, bottom opening ring 107, bottom cylinder 200, step ring 201, falling water filter plate 202, arch ring 203, groove ring 204, peripheral groove 205, ball 206, upper tipping bucket 300, lower tipping bucket 301, metering tipping bucket 302, drain port 303, hinge position 304, reed switch 305, magnet 306, water injection funnel 307, water injection outlet 308, elastic membrane layer 309, base 400, shell cylinder 401, collecting port 402, recessed area 403, drain channel 404, fixing seat 405, adjustment interval 406, fixing leg 407, adjustment bolt 408, nut 409. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0037] The implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0038] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0039] Reference Figure 1-5 The figure shows a preferred embodiment of the present invention.

[0040] A rainfall monitoring structure for preventing urban waterlogging includes a collecting funnel 100 for collecting rainwater, an upper tipping bucket 300 located below the collecting funnel 100 and swinging longitudinally, a water injection funnel 307 located below the upper tipping bucket 300, a lower tipping bucket 301 located below the water injection funnel 307 and swinging longitudinally, a metering tipping bucket 302 located below the lower tipping bucket 301 and swinging longitudinally, and a controller;

[0041] The collecting funnel 100 has a collecting chamber for collecting rainwater, the middle part of the upper tipping bucket 300 is hingedly arranged, and both sides of the upper tipping bucket 300 have upper bucket chambers for alternately collecting rainwater in the chamber, and the water injection funnel 307 has a water injection chamber for collecting rainwater in the upper bucket chamber;

[0042] The middle part of the lower bucket 301 is hingedly arranged, and the two sides of the lower bucket 301 are respectively provided with lower bucket cavities for alternately collecting rainwater in the water injection cavity; the middle part of the metering bucket 302 is hingedly arranged, and the two sides of the metering bucket 302 are respectively provided with metering cavities for alternately collecting rainwater in the lower bucket cavity; the metering bucket 302 is provided with a drain port 303 connected with the metering cavity, and when the metering cavity swings from top to bottom, the rainwater in the metering cavity is discharged through the drain port 303;

[0043] A hinged joint 304 is formed in the middle of the metering bucket 302, and a magnet 306 is provided at the hinged joint 304 so as to swing longitudinally with the metering bucket 302; a reed switch 305 is provided above the magnet 306, and the reed switch 305 is electrically connected to the controller; when the magnet 306 swings with the metering bucket 302, the magnet 306 passes over the reed switch 305, and the reed switch 305 is turned on, and the reed switch 305 sends a pulse signal to the controller;

[0044] The bottom of the collecting funnel 100 has a collecting bottom opening, and rainwater in the collecting cavity falls into the upper funnel cavity through the collecting bottom opening. The collecting bottom opening is covered with a fixed water filter plate 101 arranged in a fixed manner, and the fixed water filter plate 101 is provided with a plurality of fixed water filter holes penetrating from top to bottom.

[0045] A fixed shaft 102 is convexly connected to the fixed water filter plate 101, a longitudinal spring 103 is sleeved on the fixed shaft 102, a floating water filter plate 104 arranged to float up and down is arranged on the fixed shaft 102, and a plurality of floating water filter holes arranged to penetrate up and down are arranged in the floating water filter plate 104; the fixed shaft 102 is movably arranged in the floating water filter plate 104, the bottom of the longitudinal spring 103 abuts against the fixed water filter plate 101, and the top of the longitudinal spring 103 abuts against the floating water filter plate 104;

[0046] There is a water filtering gap between the floating water filter plate 104 and the fixed water filter plate 101, and there is an annular gap between the outer periphery of the floating water filter plate 104 and the inner wall of the collecting chamber. The longitudinal spring 103 is pressed by the floating water filter plate 104 and is in a compressed state.

[0047] The above-mentioned rainfall monitoring structure for preventing urban waterlogging has the following technical advantages:

[0048] First, by adopting a multi-level dump bucket setting, rainwater can be collected and measured step by step, which improves the accuracy and reliability of rainfall monitoring, can more accurately reflect rainfall conditions, and provide more accurate data support for urban waterlogging prevention systems, thereby improving the timeliness and effectiveness of waterlogging prevention.

[0049] Secondly, the signal transmission system realizes stable signal transmission when the metering bucket 302 swings through the cooperation of the magnet 306 and the reed switch 305. This mechanism is simple and reliable and is not easily affected by environmental factors. It ensures the real-time and accurate transmission of rainfall data, allowing the monitoring center to obtain rainfall information in a timely manner, quickly respond, and effectively prevent the occurrence of urban waterlogging.

[0050] In addition, the double-layer filter plate can effectively filter impurities in rainwater and prevent clogging. The spring structure of the floating filter plate 104 enables it to adapt to different water level changes, further improving the filtering effect. Ensuring the long-term stable operation of the equipment provides continuous and reliable monitoring data support for urban waterlogging prevention, and improving the overall performance and reliability of the waterlogging prevention system.

[0051] In this embodiment, an elastic rubber ring 105 which is hollow inside and arranged in an annular shape is sleeved on the outer periphery of the floating water filter plate 104. The elastic rubber ring 105 abuts against the inner wall of the collection cavity to close the annular interval.

[0052] In this way, impurities in the rainwater can be effectively prevented from entering the space between the collection chamber and the upper bucket, and impurities can be avoided from accumulating at the hinged part of the upper bucket, thereby reducing the friction resistance and wear when the bucket swings, extending the service life of the equipment, and ensuring that the lower bucket can smoothly collect and measure rainwater, thereby improving the accuracy and reliability of rainfall monitoring.

[0053] In this embodiment, the top of the elastic rubber ring 105 is provided with a plurality of upper holes 106 penetrating from top to bottom, and the plurality of upper holes 106 are arranged around the circumference of the elastic rubber ring 105 at intervals; the bottom of the elastic rubber ring 105 is provided with a bottom opening ring 107 arranged in an annular manner, and the bottom opening ring 107 is arranged around the circumference of the elastic rubber ring 105.

[0054] Through the upper hole 106 and the bottom opening ring 107, rainwater can smoothly pass through the elastic rubber ring 105 and enter the collection chamber and the tipping bucket system for metering. At the same time, when the rainwater flow is large, it can effectively disperse the water flow, reduce the impact of rainwater on the elastic rubber ring 105 and the tipping bucket, and prevent the elastic rubber ring 105 and the tipping bucket from being damaged due to long-term and large impact. The stability and durability of the equipment are further improved, ensuring stable operation under different rainfall conditions, and providing continuous and accurate rainfall monitoring data for urban waterlogging prevention.

[0055] In this embodiment, a longitudinally arranged bottom tube 200 extends downward from the collecting bottom opening, and a downspout arranged vertically through the bottom tube 200 is provided; the inner side wall of the downspout has an upwardly arranged step ring 201, and the step ring 201 is arranged around the circumference of the downspout;

[0056] A horizontally rotatable water filter plate 202 is provided in the sewer, and the outer periphery of the water filter plate 202 is movably abutted against the step ring 201. A plurality of water filter holes are provided in the water filter plate 202, and the diameters of the water filter holes are respectively smaller than the diameters of the fixed water filter holes and the floating water filter holes.

[0057] By arranging the bottom tube 200 and the downspout, a smoother flow channel is provided for rainwater, which reduces the retention and accumulation of rainwater at the bottom collection port and reduces the risk of blockage. At the same time, the setting of the downspout filter plate 202 can further filter out fine impurities in the rainwater and prevent these impurities from entering the tipping bucket system, thereby improving the filtering efficiency and monitoring accuracy of the equipment and providing more accurate rainfall data for urban waterlogging prevention.

[0058] In this embodiment, the middle part of the water filter plate 202 forms a water filter portion, and the periphery of the water filter portion forms an outer peripheral portion, which is movably abutted against the step ring 201; the water filter portion is arched upward to form a plurality of curved arched rings 203, which are arranged around the circumference of the water filter portion, and the plurality of arched rings 203 are arranged in sequence and nested at intervals, and the arched heights of adjacent arched rings 203 are different;

[0059] There is a groove ring 204 between adjacent arch rings 203, and a plurality of water filter holes are provided in the groove ring 204 and the arch ring 203; along the circumference of the water filter part, the water filter holes in the groove ring 204 and the water filter holes in the arch ring 203 are staggered.

[0060] The structural arrangement of the arch ring 203 and the groove ring 204 makes the flow path of rainwater in the water filter part more complicated, increases the contact area between rainwater and the water filter part, and improves the filtering effect. At the same time, the staggered arrangement of the falling water filter holes can effectively disperse the water flow, reduce the local impact of rainwater on the water filter part, and prevent the water filter part from being deformed or damaged due to long-term and large impact, thereby further enhancing the filtering capacity and stability of the equipment.

[0061] In this embodiment, the peripheral portion is surrounded to form a peripheral groove 205, and the peripheral groove 205 is arranged around the circumference of the peripheral portion. The peripheral groove 205 passes through the bottom of the peripheral portion to form an annular opening; a plurality of rolling balls 206 are provided in the peripheral groove 205, and the balls 206 are movably placed in the peripheral groove 205, and the bottom of the balls 206 extends out of the annular opening, and movably abuts against the step ring 201.

[0062] In this way, the downpipe filter plate 202 can rotate more flexibly in the downpipe, reducing the friction between the filter plate and the step ring 201 and the risk of filter plate wear. At the same time, the rolling of the ball 206 can drive the filter plate to vibrate slightly, which helps to remove impurities on the filter plate, further improving the filtering efficiency of the filter plate and the self-cleaning ability of the equipment, ensuring long-term and stable operation of the equipment.

[0063] In this embodiment, the rainfall monitoring structure for preventing urban waterlogging includes a base 400 and a shell 401, wherein the shell 401 is installed on the base 400, and the base 400 closes the bottom of the shell 401; the shell 401 has a longitudinally arranged shell cavity, wherein the collecting funnel 100, the upper tipping bucket 300, the water injection funnel 307, the lower tipping bucket 301 and the metering tipping bucket 302 are sequentially arranged in the shell cavity from top to bottom; the top of the collecting funnel 100 has a collecting port 402, which is arranged at the top of the shell cavity, and the outer periphery of the collecting port 402 overlaps the outer periphery of the top of the shell cavity.

[0064] The base 400 and the shell 401 provide a stable support and protection for the entire rainfall monitoring structure, enabling the equipment to operate stably under various environmental conditions. The longitudinal arrangement of the shell cavity makes the rainwater collection and metering process more orderly, reduces the splashing and loss of rainwater inside the equipment, and improves the accuracy and reliability of rainfall monitoring.

[0065] In this embodiment, the top of the base 400 is recessed downward to form a recessed area 403, and a drain channel 404 is provided inside the base 400. The drain channel 404 runs through the outer periphery of the base 400 and is connected to the recessed area 403; after the metering bucket 302 swings, the rainwater in the metering cavity is discharged into the recessed area 403 through the drain port 303, and the rainwater in the recessed area 403 is discharged to the outside through the drain channel 404.

[0066] The recessed area 403 and the drainage channel 404 provide a temporary collection and discharge channel for rainwater discharged from the metering bucket 302, avoiding the accumulation and retention of rainwater on the base 400, preventing the rainwater from corroding and damaging the base 400 and other parts of the equipment, and also facilitating the cleaning and maintenance of the equipment, thereby improving the service life and stability of the equipment.

[0067] In this embodiment, a level is provided on the base 400, a fixing base 405 is provided below the base 400, and an adjustment gap 406 is provided between the base 400 and the fixing base 405; a plurality of fixing legs 407 fixedly connected to the support extend outward from the periphery of the fixing base 405, and the plurality of fixing legs 407 are arranged around the circumference of the fixing base 405 at intervals;

[0068] A plurality of adjusting bolts 408 are provided between the adjusting intervals 406. The plurality of adjusting bolts 408 are arranged around the fixing seat 405 at intervals in the circumferential direction. The bottom of the adjusting bolts 408 is fixedly connected to the fixing seat 405. The top of the adjusting bolts 408 movably passes through the base 400. The bolts are connected with nuts 409 that support the base 400.

[0069] After the fixing seat 405 is fixed, the nuts 409 on the multiple bolts are adjusted to allow the base 400 to swing to a set angle relative to the fixing seat 405 until the base 400 is in a horizontal arrangement state. In this way, the levelness of the base 400 can be easily adjusted during installation of the equipment, thereby ensuring the stability and accuracy of the equipment under various terrain conditions and improving the applicability and reliability of the equipment.

[0070] In this embodiment, the bottom of the water injection funnel 307 has a water injection outlet 308 arranged downward, and the water injection outlet 308 is covered with an elastic membrane layer 309. The elastic membrane layer 309 is provided with a plurality of membrane holes arranged vertically. When rainwater in the water injection cavity falls toward the water injection outlet 308, the elastic membrane layer 309 elastically bulges downward and deforms. In the process of rainwater falling into the lower funnel cavity through the plurality of membrane holes, the elasticity of the membrane holes changes, so that the rainwater is broken up and falls down.

[0071] The elastic membrane layer 309 can effectively disperse the impact force of rainwater, reduce the impact of rainwater on the water injection funnel 307 and the lower bucket cavity, and prevent the equipment from being damaged due to long-term and large impact. At the same time, the elastic change of the membrane layer holes can make the rainwater fall into the lower bucket cavity more evenly, thereby improving the accuracy and stability of rainfall measurement, ensuring that the equipment can accurately monitor rainfall, and providing reliable data support for preventing urban waterlogging.

[0072] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rainfall monitoring structure for preventing urban flooding, characterized in that: It includes a collecting funnel for collecting rainwater, an upper tipping bucket located below the collecting funnel and swinging longitudinally, a water injection funnel located below the upper tipping bucket, a lower tipping bucket located below the water injection funnel and swinging longitudinally, a metering tipping bucket located below the lower tipping bucket and swinging longitudinally, and a controller; The collecting funnel has a collecting chamber for collecting rainwater, the middle part of the upper dump bucket is hingedly arranged, and both sides of the upper dump bucket respectively have upper bucket chambers for alternately collecting rainwater in the chamber, and the water injection funnel has a water injection chamber for collecting rainwater in the upper bucket chamber; The middle part of the lower dump bucket is hingedly arranged, and the two sides of the lower dump bucket are respectively provided with lower bucket cavities for alternately collecting rainwater in the water injection cavity; the middle part of the metering dump bucket is hingedly arranged, and the two sides of the metering dump bucket are respectively provided with metering cavities for alternately collecting rainwater in the lower bucket cavity; the metering dump bucket is provided with a drainage port connected with the metering cavity, and when the metering cavity swings from top to bottom, the rainwater in the metering cavity is discharged through the drainage port; A hinged position is formed in the middle of the metering bucket, and a magnet is provided at the hinged position so as to swing longitudinally with the metering bucket; a reed switch is provided above the magnet, and the reed switch is electrically connected to a controller; when the magnet swings with the metering bucket, the magnet passes over the reed switch and turns on the reed switch, and the reed switch sends a pulse signal to the controller; The bottom of the collecting funnel is provided with a collecting bottom opening, and rainwater in the collecting cavity falls into the upper hopper cavity through the collecting bottom opening. The collecting bottom opening is covered with a fixed water filter plate arranged in a fixed manner, and the fixed water filter plate is provided with a plurality of fixed water filter holes penetrating from top to bottom. The fixed water filter plate is connected with a fixed shaft protruding thereon, the fixed shaft is sleeved with a longitudinal spring, the fixed shaft is provided with a floating water filter plate arranged to float up and down, the floating water filter plate is provided with a plurality of floating water filter holes arranged to penetrate up and down; the fixed shaft is movably arranged in the floating water filter plate, the bottom of the longitudinal spring abuts against the fixed water filter plate, and the top of the longitudinal spring abuts against the floating water filter plate; There is a water filtering gap between the floating water filtering plate and the fixed water filtering plate, there is an annular gap between the outer periphery of the floating water filtering plate and the inner wall of the collecting chamber, and the longitudinal spring is pressed by the floating water filtering plate and is in a compressed state.

2. The rainfall monitoring structure for preventing urban flooding according to claim 1, characterized in that: The outer periphery of the floating water filter plate is sleeved with an elastic rubber ring which is hollow inside and arranged in an annular shape. The elastic rubber ring abuts against the inner side wall of the collecting cavity to close the annular interval.

3. The rainfall monitoring structure for preventing urban waterlogging according to claim 2, characterized in that: The top of the elastic rubber ring is provided with a plurality of upper holes penetrating from top to bottom, and the plurality of upper holes are arranged around the circumference of the elastic rubber ring at intervals; the bottom of the elastic rubber ring is provided with a bottom opening ring arranged in an annular manner, and the bottom opening ring is arranged around the circumference of the elastic rubber ring.

4. The rainfall monitoring structure for preventing urban flooding according to claim 1, characterized in that: The collecting bottom opening extends downwardly to form a bottom tube arranged longitudinally, and the bottom tube has a water channel arranged vertically through it; the inner side wall of the water channel has a step ring arranged upwardly, and the step ring is arranged around the circumference of the water channel; A horizontally rotatable water filter plate is provided in the sewer, the periphery of which is movably abutted against the step ring, and a plurality of water filter holes are provided in the water filter plate, the diameters of which are respectively smaller than the diameters of the fixed water filter hole and the floating water filter hole.

5. The rainfall monitoring structure for preventing urban waterlogging according to claim 4, characterized in that: The middle part of the water filter plate forms a water filter portion, the periphery of the water filter portion forms an outer peripheral portion, and the outer peripheral portion movably abuts against the step ring; the water filter portion arches upward to form a plurality of curved arch rings, the arch rings are arranged around the circumference of the water filter portion, and the plurality of arch rings are arranged in sequence and spaced from each other, and the arch heights of adjacent arch rings are different; There is a groove ring between adjacent arch rings, and a plurality of water filter holes are provided in the groove ring and the arch ring; along the circumference of the water filter part, the water filter holes in the groove ring and the water filter holes in the arch ring are staggered.

6. The rainfall monitoring structure for preventing urban flooding as claimed in claim 5, characterized in that: The peripheral portion is surrounded to form a peripheral groove, and the peripheral groove is arranged around the circumference of the peripheral portion. The peripheral groove passes through the bottom of the peripheral portion to form an annular opening. A plurality of rolling balls are arranged in the peripheral groove, and the balls are movably placed in the peripheral groove, and the bottom of the balls extends out of the annular opening, and movably abuts against the step ring.

7. The rainfall monitoring structure for preventing urban waterlogging according to any one of claims 1 to 6, characterized in that: The rainfall monitoring structure for preventing urban waterlogging includes a base and a shell cylinder, wherein the shell cylinder is installed on the base, and the base closes the bottom of the shell cylinder; the shell cylinder has a longitudinally arranged shell cavity, and the collecting funnel, upper tipping bucket, water injection funnel, lower tipping bucket and metering tipping bucket are arranged in sequence from top to bottom in the shell cavity; the top of the collecting funnel has a collecting port, and the collecting port is arranged at the top of the shell cavity, and the outer periphery of the collecting port overlaps the outer periphery of the top of the shell cavity.

8. The rainfall monitoring structure for preventing urban flooding as claimed in claim 7, characterized in that: The top of the base is recessed downward to form a recessed area, and a drainage channel is provided inside the base. The drainage channel runs through the outer circumference of the base and is connected with the recessed area. After the metering bucket swings, rainwater in the metering cavity is discharged into the recessed area through the drainage port, and the rainwater in the recessed area is discharged to the outside through the drainage channel.

9. The rainfall monitoring structure for preventing urban flooding according to claim 8, characterized in that: A level is provided on the base, a fixing seat is provided below the base, and an adjustment interval is provided between the base and the fixing seat; a plurality of fixing legs that are fixedly connected to the support extend outward from the outer periphery of the fixing seat, and the plurality of fixing legs are arranged around the circumference of the fixing seat at intervals; A plurality of adjusting bolts are arranged between the adjusting intervals, and the plurality of adjusting bolts are arranged around the fixing seat at intervals along the circumference, the bottom of the adjusting bolt is fixedly connected to the fixing seat, the top of the adjusting bolt movably passes through the base, and the bolt is connected with a nut supporting the base; After the fixing seat is fixedly arranged, the nuts on the plurality of bolts are adjusted so that the base is swung to a set angle relative to the fixing seat until the base is in a horizontal arrangement state.

10. The rainfall monitoring structure for preventing urban waterlogging according to any one of claims 1 to 6, characterized in that: The bottom of the water injection funnel is provided with a water injection outlet arranged downward, and the water injection outlet is covered with an elastic membrane layer, in which a plurality of membrane holes are arranged vertically and horizontally. When rainwater in the water injection cavity falls toward the water injection outlet, the elastic membrane layer elastically bulges and deforms downward, and in the process of rainwater falling into the lower funnel cavity through the plurality of membrane holes, the elasticity of the membrane holes changes, so that the rainwater is broken up and falls down.

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