A decentralized regulating reservoir suitable for improving drainage system standards and a method of using the same

Abstract

The present invention discloses a decentralized regulating and storage tank suitable for improving the drainage system and a method for using the same, including a regulating and storage tank body, the regulating and storage tank body is pre-buried underground, the top surface of the regulating and storage tank body is open and flush with the ground, the upper part of one side of the regulating and storage tank body is connected to a sewer for discharging rainwater, the lower part of the other side of the regulating and storage tank body is connected to a drainage component, and the drainage component is partially fixed on the ground. The beneficial effect is that the present invention adjusts the position height of the start-stop component by sliding the moving seat vertically along the slide groove and locking it in the limit holes of different heights respectively, so as to quickly adjust the overflow position height according to the actual precipitation flow, thereby preventing the regulating and storage tank from overflowing in time due to excessive precipitation flow and the water storage volume from failing to reach the expected target due to too small precipitation flow.

Description

Technical Field

[0001] The invention relates to the field of regulating and storing tanks, and in particular to a decentralized regulating and storing tank suitable for improving the drainage system and a use method thereof. Background Art

[0002] A rainwater storage tank is a rainwater collection facility that temporarily retains the peak flow of rainwater runoff in the tank, and then slowly discharges the rainwater from the storage tank after the maximum flow drops. This can avoid rainwater peaks, improve rainwater utilization, control the pollution of receiving water bodies by initial rainwater, and play a positive role in drainage scheduling between drainage areas. However, the current storage tanks cannot adjust the overflow water level in time according to the actual precipitation flow when they are set up. If the overflow water level is set too high, the storage tank may not overflow in time due to excessive precipitation flow. If the overflow water level is set too low, the water storage volume may not reach the expected target due to too small precipitation flow. Summary of the invention

[0003] The purpose of the present invention is to provide a decentralized regulating storage tank suitable for improving the drainage system and a method of using the same in order to solve the above-mentioned problems. The position height of the start-stop assembly can be adjusted by sliding the moving seat vertically along the slide groove and locking it in limit holes of different heights. The overflow position height can be quickly adjusted according to the actual precipitation flow rate, thereby preventing the regulating storage tank from overflowing in time due to excessive precipitation flow and the water storage capacity from failing to reach the expected target due to too small precipitation flow rate. Details are explained below.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The present invention provides a decentralized regulating reservoir suitable for improving the drainage system, comprising a regulating reservoir body, the regulating reservoir body is pre-buried underground, the top surface of the regulating reservoir body is open and flush with the ground, an upper portion of one side of the regulating reservoir body is connected to a sewer for draining rainwater, and a lower portion of the other side of the regulating reservoir body is connected to a drainage component, and the drainage component is partially fixed on the ground;

[0006] A side plate is fixed to the upper inner wall of the regulating tank body near the drainage component, and a slide groove is provided on the outer side of the side plate in the longitudinal direction. The outer side of the slide groove is open, and a plurality of limit holes arranged in the transverse direction are provided on the inner side of the slide groove, and a plurality of the limit holes overlap vertically. An adjustment component is vertically slidably engaged in the slide groove, and the adjustment component is horizontally slidably engaged with the uppermost limit hole, and a start-stop component for controlling the working state of the drainage component is vertically fixed to the lower outer side of the adjustment component.

[0007] Preferably, the drainage assembly includes a water pump and a lifting pipe, the water pump is fixedly installed on the ground outside the top of the regulating tank body, the bottom surface of the water pump is vertically fixedly connected to the lifting pipe, the bottom end of the lifting pipe is horizontally fixedly connected to the outlet pipe through an elbow, and the outlet pipe is connected to the lower part of the regulating tank body, and the outside of the water pump is fixedly connected to the drainage pipe.

[0008] Preferably, the slide groove is a dovetail groove or an I-shaped groove that is small on the outside and large on the inside.

[0009] Preferably, the number of the limiting holes is three and they are evenly distributed in the vertical direction.

[0010] Preferably, the adjustment assembly includes a movable seat and a limit rod, the movable seat is vertically slidably matched with the slide slot, the upper inner side of the movable seat is horizontally provided with an installation groove, and the installation groove is coaxial with the corresponding limit hole, the limit rod is coaxially arranged in the installation groove, the inner end of the limit rod is horizontally slidably matched with the uppermost limit hole, and the outer ends of the limit rods are extended out of the outside of the movable seat in a sliding match, and the partial gap of the limit rod located in the installation groove is matched with a compression spring, the end of the compression spring away from the limit hole is fixedly connected to the installation slot, and the end of the compression spring close to the limit hole is fixed with a ring, and the ring is coaxially fixed to the limit rod.

[0011] Preferably, the collar is slidably fitted with the mounting groove, and the collar is interference fitted with the limiting rod.

[0012] Preferably, a handle is fixed to the outer end of the limiting rod, and the surface of the handle is provided with anti-slip grooves.

[0013] Preferably, the start-stop assembly includes a storage box, a limit switch and a mounting plate, the storage box is opened at the top and the bottom and is vertically fixed to the lower outer part of the movable seat, the limit switch is fixed to the upper inner part of the storage box through a mounting bracket, and the limit switch is electrically connected to the water pump, the mounting plate is horizontally fixed to the middle part of the inner wall of the storage box, the middle part of the mounting plate is vertically slidably fitted with a guide rod, the top end of the guide rod is fixed with a switch seat for triggering the limit switch, and the switch seat is aligned with the limit switch up and down, the bottom end of the guide rod is fixed with a float through a connecting sleeve, the guide rod is located in the partial gap between the mounting plate and the connecting sleeve and is fitted with a spring, and the two ends of the spring are respectively fixedly connected to the mounting plate and the connecting sleeve.

[0014] Preferably, the float is a hollow plastic ball, and the connecting sleeve is connected to the guide rod via threads.

[0015] The method for using the above-mentioned decentralized regulating storage tank suitable for improving the drainage system comprises the following process:

[0016] When in use, rainwater flows into the regulating reservoir body through the sewer, so that the peak flow of rainwater runoff is temporarily retained in the regulating reservoir body. After the maximum flow of rainwater decreases, the rainwater is slowly discharged from the regulating reservoir body, thereby avoiding rainwater peaks and improving rainwater utilization rate, and controlling the pollution of receiving water bodies by initial rainwater, and playing a positive role in drainage scheduling between drainage areas. During use, the water level in the regulating reservoir body will rise with the discharge of rainwater. When the water level rises to contact the float, the float will be driven to rise as the water level continues to rise, and the float drives the switch seat to rise and contact the switch seat by compressing the spring through the guide rod. The limit switch is triggered, and the limit switch will start the water pump to lift the rainwater in the regulating tank through the lifting pipe and then discharge it to the outside through the drain pipe, so as to discharge the rainwater that reaches the overflow height in the regulating tank body in time to prevent the regulating tank body from being blocked by water. When the rainwater flow rate weakens and causes the water level to drop, the spring releases its own compression state to make the float contact the falling water level in real time, until the float finally returns to the initial position and the switch seat leaves the limit switch, and the limit switch stops triggering immediately to stop the water pump. During use, when the rainwater flow rate is too large, it is necessary to adjust the position height of the float to reduce the water level. The regulating tank body starts overflow in advance, and the operation method is as follows: hold the handle and pull it outward, and compress the compression spring through the ring to make the limit rod disengage from the corresponding limit hole, then keep the limit rod in the pulled-out state and drive the moving seat to descend along the slide groove. During this process, the float will descend with the moving seat. Since there are three limit holes in the slide groove, when the moving seat descends to the limit hole close to the lowermost part of the limit rod, release the handle, the compression spring releases the compressed state and drives the limit rod to press against the inner wall of the slide groove, and then continues to slide down the limit rod for a distance, and when the limit rod is facing the limit hole, the compression spring continues to release The limit rod is in a compressed state and is inserted into the corresponding limit hole to lock the position height of the float after it has been lowered, so that when the rainwater flow is too large, the float can trigger the water pump to drain water in advance. When the rainwater flow is too small, the float is adjusted to rise to the limit hole where the limit rod is stuck in the highest position in the above manner, so that the float can trigger the water pump to drain water later, ensuring that the regulating reservoir body accumulates sufficient water. The overflow position height can be quickly adjusted according to the actual precipitation flow, preventing the regulating reservoir body from overflowing in time due to excessive precipitation flow and the water storage volume from reaching the expected target due to too small precipitation flow.

[0017] The beneficial effects are as follows: 1. The present invention adjusts the position height of the start-stop assembly by sliding the movable seat vertically along the slide groove and locking it in the limit holes of different heights, so as to quickly adjust the position height of the overflow according to the actual precipitation flow, thereby preventing the overflow of the regulating reservoir due to excessive precipitation flow and the water storage amount from failing to reach the expected target due to too small precipitation flow;

[0018] 2. When the water level in the regulating reservoir rises to the point where it contacts the float, the float is driven up by buoyancy to make the switch seat contact and trigger the limit switch, so that the limit switch automatically starts the drainage component to discharge the rainwater in the regulating reservoir that exceeds the overflow water level, thus achieving the effect of automatic overflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 is a front cross-sectional view of the present invention;

[0021] Figure 2 The present invention Figure 1 A local enlarged view of point A;

[0022] Figure 3 The present invention Figure 1 Left side sectional view of

[0023] Figure 4 The present invention Figure 1 External view from above.

[0024] The following are the descriptions of the reference numerals:

[0025] 1. Sewer; 2. Reservoir body; 3. Drainage assembly; 301. Drain pipe; 302. Water pump; 303. Lifting pipe; 304. Outlet pipe; 4. Adjustment assembly; 401. Mounting groove; 402. Ring; 403. Moving seat; 404. Limit rod; 405. Handle; 406. Compression spring; 5. Storage box; 6. Start-stop assembly; 601. Limit switch; 602. Switch seat; 603. Mounting plate; 604. Guide rod; 605. Spring; 606. Connecting sleeve; 607. Float; 608. Mounting bracket; 7. Side panel; 701. Limit hole; 702. Slide groove. DETAILED DESCRIPTION

[0026] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0027] See also Figure 1-Figure 4 As shown, the present invention provides a decentralized regulating reservoir suitable for improving the drainage system, including a regulating reservoir body 2, the regulating reservoir body 2 is pre-buried underground, the top surface of the regulating reservoir body 2 is open and the top surface is level with the ground, the upper part of one side of the regulating reservoir body 2 is connected to a sewer 1 for discharging rainwater, and the lower part of the other side of the regulating reservoir body 2 is connected to a drainage component 3, and the drainage component 3 is partially fixed on the ground. A side plate 7 is fixed to the upper part of the inner wall of the regulating reservoir body 2 near the drainage component 3, and a chute 702 is longitudinally provided on the outer side of the side plate 7, the outer side of the chute 702 is open, and a plurality of limit holes 701 arranged in the transverse direction are provided on the inner side of the chute 702, and the plurality of limit holes 701 overlap vertically, and an adjustment component 4 is vertically slidably matched in the chute 702, and the adjustment component 4 is horizontally slidably matched with the uppermost limit hole 701, and a start-stop component 6 for controlling the working state of the drainage component 3 is vertically fixed to the lower part of the outer side of the adjustment component 4.

[0028] As a preferred solution in this case, the drainage component 3 includes a water pump 302 and a lifting pipe 303. The water pump 302 is fixedly installed on the ground outside the top of the regulating tank body 2. The bottom surface of the water pump 302 is vertically fixedly connected to the lifting pipe 303. The bottom end of the lifting pipe 303 is horizontally fixedly connected to the outlet pipe 304 through an elbow, and the outlet pipe 304 is connected to the lower part of the regulating tank body 2. The outside of the water pump 302 is fixedly connected to the drain pipe 301. Such an arrangement makes it convenient to lift the rainwater in the regulating tank body 2 through the operation of the water pump 302 and then discharge it through the drain pipe 301. The slide groove 702 is a dovetail groove or an I-shaped groove with a small outside and a large inside. Such an arrangement makes it easy to move smoothly along the slide groove 702 but will not fall out horizontally.

[0029] There are three limiting holes 701 which are evenly distributed in the vertical direction. This arrangement allows the float 607 to have three locking states at different position heights.

[0030] The adjustment component 4 includes a moving seat 403 and a limiting rod 404. The moving seat 403 is vertically slidably matched with the slide groove 702. The upper inner side of the moving seat 403 is provided with a mounting groove 401 in the horizontal direction, and the mounting groove 401 is coaxial with the corresponding limiting hole 701. The limiting rod 404 is coaxially arranged in the mounting groove 401. The inner end of the limiting rod 404 is horizontally slidably matched with the uppermost limiting hole 701. The outer end of the limiting rod 404 is extended out of the moving seat 403 in a sliding manner. The limiting rod 404 is located in the mounting groove 401. A compression spring 406 is provided in part of the gap, and the end of the compression spring 406 away from the limiting hole 701 is fixedly connected to the mounting groove 401, and a ring 402 is fixed to the end of the compression spring 406 close to the limiting hole 701, and the ring 402 is coaxially fixed with the limiting rod 404. Such an arrangement facilitates locking the movable seat 403 from being lifted or lowered along the slide groove 702 by means of the limiting rod 404 cooperating with the limiting hole 701, and facilitates releasing the locking of the movable seat 403 from being lifted or lowered along the slide groove 702 by means of the limiting rod 404 being detached from the limiting hole 701.

[0031] The ring 402 is slidably matched with the installation groove 401, and the ring 402 is interference matched with the limit rod 404. Such a configuration makes it easy to accurately drive the limit rod 404 to be pulled outward by sliding the ring 402 along the installation groove 401. A handle 405 is fixed to the outer end of the limit rod 404, and the surface of the handle 405 is provided with anti-slip grooves. Such a configuration makes it easy to pull the limit rod 404 by applying force by holding the handle 405 and prevent the handle 405 from slipping out of the hand.

[0032] The start-stop assembly 6 includes a storage box 5, a limit switch 601 and a mounting plate 603. The storage box 5 is opened up and down and is vertically fixed to the lower outer part of the movable seat 403. The limit switch 601 is fixed to the upper inner part of the storage box 5 through a mounting bracket 608, and the limit switch 601 is electrically connected to the water pump 302. The mounting plate 603 is horizontally fixed to the middle of the inner wall of the storage box 5. The middle of the mounting plate 603 is vertically slidably matched with a guide rod 604. The top of the guide rod 604 is fixed with a switch seat 602 for triggering the limit switch 601, and the switch seat 602 is compared with the limit switch 601 up and down. The bottom end of the guide rod 604 is connected by The sleeve 606 is fixed with a float 607, and the guide rod 604 is provided with a spring 605 in the gap between the mounting plate 603 and the connecting sleeve 606, and the two ends of the spring 605 are respectively fixedly connected to the mounting plate 603 and the connecting sleeve 606. Such an arrangement facilitates the floating ball 607 to drive the switch seat 602 to automatically rise, so as to trigger the limit switch 601 so that the water pump 302 is powered on and automatically overflows and drains. The floating ball 607 is a hollow plastic ball so that the floating ball 607 has a sufficiently large buoyancy in the water. The connecting sleeve 606 and the guide rod 604 are connected by threads. Such an arrangement facilitates the disassembly and assembly of the connecting sleeve 606 and the guide rod 604.

[0033] The method for using the above-mentioned decentralized regulating storage tank suitable for improving the drainage system comprises the following process:

[0034] When in use, rainwater flows into the regulating reservoir body 2 through the sewer 1, so that the peak flow of rainwater runoff is temporarily retained in the regulating reservoir body 2. After the maximum flow of rainwater decreases, the rainwater is slowly discharged from the regulating reservoir body 2, thereby avoiding rainwater peaks and improving rainwater utilization rate, and controlling the pollution of receiving water bodies by initial rainwater, and playing a positive role in drainage scheduling between drainage areas. During use, the water level in the regulating reservoir body 2 will rise with the discharge of rainwater. When the water level rises to contact the float 607, the float 607 will be driven to rise as the water level continues to rise. The float 607 compresses the spring 605 through the guide rod 604 and drives the switch seat 602 to rise and contact the trigger limit switch 601. The limit switch 601 will then start the water pump 302 to lift the rainwater in the regulating reservoir through the lifting pipe 303 and then discharge it to the outside through the drain pipe 301, so as to timely discharge the rainwater that reaches the overflow height in the regulating reservoir body 2 to prevent the regulating reservoir body 2 from being blocked by water. When the rainwater flow rate weakens and causes the water level to drop, the spring 605 releases its own compression state to make the float 607 contact the falling water level in real time, until the float 607 finally returns to the initial position and the switch seat 602 leaves the limit switch 601, and the limit switch 601 stops triggering and the water pump 302 stops working. During use, when the rainwater flow rate is too large, it is necessary to adjust the position height of the float 607 to lower it so that the regulating reservoir body 2 can start in advance. Overflow, the operation method is as follows: hold the handle 405 outward and compress the compression spring 406 through the ring 402 to make the limit rod 404 disengage from the corresponding limit hole 701, then keep the limit rod 404 in the pulled-out state and drive the moving seat 403 to descend along the slide groove 702. During this process, the float 607 will descend with the moving seat 403. Since there are three limit holes 701 in the slide groove 702, when the moving seat 403 descends to the limit hole 701 close to the bottom of the limit rod 404, release the handle 405, the compression spring 406 releases the compressed state and drives the limit rod 404 to press against the inner wall of the slide groove 702, and then continues to slide the limit rod 404 a distance. When the limit rod 404 is directly opposite to the limit hole 701, the compression spring 406 continues to The compressed state is released to drive the limit rod 404 to be inserted into the corresponding limit hole 701, so as to lock the position height of the float 607 after it is lowered, so that when the rainwater flow is too large, the float 607 can trigger the water pump 302 to work and drain water in advance. When the rainwater flow is too small, the float 607 is adjusted in the above manner to rise until the limit rod 404 is inserted into the limit hole 701 at the highest position, so that the float 607 can trigger the water pump 302 to work and drain water later, ensuring that the regulating reservoir body 2 accumulates sufficient water, and realizing rapid adjustment of the overflow position height according to the actual precipitation flow, thereby preventing the regulating reservoir body 2 from overflowing in time due to excessive precipitation flow and the water storage amount from failing to reach the expected target due to too small precipitation flow.

[0035] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A decentralized storage tank suitable for improving the drainage system, comprising a storage tank body, characterized in that: The regulating reservoir body is pre-buried underground, the top surface of the regulating reservoir body is open and level with the ground, the upper part of one side of the regulating reservoir body is connected to a sewer for draining rainwater, the lower part of the other side of the regulating reservoir body is connected to a drainage component, and the drainage component is partially fixed on the ground; A side plate is fixed to the upper part of the inner wall of the regulating tank body close to the drainage component, a slide groove is provided on the outer side of the side plate in the longitudinal direction, the outer side of the slide groove is open, a plurality of limit holes arranged in the transverse direction are provided on the inner side of the slide groove, and a plurality of the limit holes overlap vertically, an adjustment component is vertically slidably matched in the slide groove, and the adjustment component is horizontally slidably matched with the uppermost limit hole, and a start-stop component for controlling the working state of the drainage component is vertically fixed to the lower part of the outer side of the adjustment component; The drainage assembly includes a water pump and a lifting pipe; the adjustment assembly includes a moving seat and a limiting rod, the moving seat is vertically slidably matched with the slide groove, the upper inner side of the moving seat is horizontally provided with a mounting groove, and the mounting groove is coaxial with the corresponding limiting hole, the limiting rod is coaxially arranged in the mounting groove, the inner end of the limiting rod is horizontally slidably matched with the uppermost limiting hole, the outer ends of the limiting rods are extended out of the moving seat in a sliding matching manner, the partial gap of the limiting rod located in the mounting groove is matched with a compression spring, the end of the compression spring away from the limiting hole is fixedly connected to the mounting groove, the end of the compression spring close to the limiting hole is fixed with a collar, and the collar is coaxially fixed with the limiting rod; A handle is fixed to the outer end of the limit rod, and the surface of the handle is provided with anti-slip grooves; The start-stop assembly includes a storage box, a limit switch and a mounting plate. The storage box is opened up and down and is vertically fixed to the lower outer part of the movable seat. The limit switch is fixed to the upper inner part of the storage box through a mounting frame, and the limit switch is electrically connected to the water pump. The mounting plate is horizontally fixed to the middle part of the inner wall of the storage box. The middle part of the mounting plate is vertically slidably matched with a guide rod. The top end of the guide rod is fixed with a switch seat for triggering the limit switch, and the switch seat is aligned with the limit switch up and down. The bottom end of the guide rod is fixed with a float through a connecting sleeve. The partial gap of the guide rod between the mounting plate and the connecting sleeve is matched with a spring, and the two ends of the spring are respectively fixedly connected to the mounting plate and the connecting sleeve.

2. According to claim 1, a decentralized storage tank suitable for improving the drainage system, characterized in that: The water pump is fixedly installed on the ground outside the top of the regulating tank body, the bottom surface of the water pump is vertically fixedly connected to the lifting pipe, the bottom end of the lifting pipe is horizontally fixedly connected to the outlet pipe through an elbow, and the outlet pipe is connected to the lower part of the regulating tank body, and the outside of the water pump is fixedly connected to a drain pipe.

3. According to claim 1, a decentralized storage tank suitable for improving the drainage system, characterized in that: The slide groove is a dovetail groove or an I-shaped groove that is small on the outside and large on the inside.

4. A decentralized storage tank suitable for improving the drainage system as claimed in claim 3, characterized in that: The number of the limiting holes is three and they are evenly distributed in the vertical direction.

5. According to claim 1, a decentralized storage tank suitable for improving the drainage system, characterized in that: The collar is slidably matched with the mounting groove, and the collar is interference matched with the limiting rod.

6. A decentralized storage tank suitable for improving the drainage system according to claim 1, characterized in that: The floating ball is a hollow plastic ball, and the connecting sleeve is connected to the guide rod through threads.

7. A method for using a decentralized regulating reservoir for improving the drainage system according to any one of claims 1 to 6, characterized in that: When in use, rainwater flows into the regulating reservoir body through the sewer, so that the peak flow of rainwater runoff is temporarily retained in the regulating reservoir body. After the maximum flow of rainwater decreases, the rainwater is slowly discharged from the regulating reservoir body, thereby avoiding rainwater peaks and improving rainwater utilization rate, and controlling the pollution of receiving water bodies by initial rainwater, and playing a positive role in drainage scheduling between drainage areas. During use, the water level in the regulating reservoir body will rise with the discharge of rainwater. When the water level rises to contact the float, the float will be driven to rise as the water level continues to rise, and the float drives the switch seat to rise and contact the switch seat by compressing the spring through the guide rod. When the limit switch is triggered, the water pump is started to lift the rainwater in the regulating tank through the lifting pipe and then discharge it to the outside through the drain pipe, so that the rainwater that reaches the overflow height in the regulating tank body can be discharged in time to prevent the regulating tank body from being blocked by water. When the rainwater flow rate weakens and the water level drops, the spring releases its own compression state to make the float contact the falling water level in real time, until the float finally returns to the initial position and the switch seat leaves the limit switch, and the limit switch stops triggering immediately to stop the water pump. During use, when the rainwater flow rate is too large, it is necessary to adjust the position height of the float to make the The storage tank body starts overflowing in advance, and the operation method is as follows: hold the handle and pull it outward, and compress the compression spring through the ring to make the limit rod disengage from the corresponding limit hole, then keep the limit rod in the pulled-out state and drive the moving seat to descend along the slide groove. During this process, the float will descend with the moving seat. Since there are three limit holes in the slide groove, when the moving seat descends to the limit hole close to the lowermost part of the limit rod, release the handle, and the compression spring releases the compressed state to drive the limit rod to press against the inner wall of the slide groove, and then continues to slide down the limit rod for a distance, and when the limit rod is directly opposite to the limit hole, the compression spring continues to release the compression When the water level is too high, the float will trigger the pump to drain water in advance. When the water level is too low, the float will rise to the limit hole where the limit rod is stuck in the highest position, so that the float will trigger the pump to drain water later. This ensures that the regulating reservoir body accumulates sufficient water, and quickly adjusts the overflow position height according to the actual precipitation flow rate, preventing the regulating reservoir body from overflowing in time due to excessive precipitation flow rate and the water storage volume from reaching the expected target due to too small precipitation flow rate.

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