CN210529875U - Self-cleaning initial rainwater flow discarding system based on Internet of things - Google Patents

Abstract

The utility model belongs to the technical field of municipal drainage and pollution discharge, in particular to a self-cleaning initial rainwater drainage system based on the Internet of things, which comprises a drainage pool, a detection module, a control module, a power module and a wireless communication module; the abandon class pond even has inlet tube, drain pipe and blow off pipe, be equipped with the automatically controlled gate that is used for controlling both break-make in turn on drain pipe and blow off pipe, detection module includes the sample cell, still be equipped with belt cleaning device in the sample cell, belt cleaning device is connected with the control module electricity, control module passes through wireless communication module and rainfall detection module interconnection. The utility model adjusts the communication state of the drain pipe and the drain pipe in real time according to the water quality of the water body detected by the detection module, and realizes the accurate interception of the initial rainwater; in addition, when detection module appears stained, the utility model discloses automatic control belt cleaning device washs detection module, avoids detection module erroneous judgement, further improves the precision of damming.

Description

Self-cleaning initial rainwater flow discarding system based on Internet of things

Technical Field

The utility model belongs to the technical field of municipal administration drainage blowdown, concretely relates to a class system is abandoned to self-cleaning initial stage rainwater based on thing networking.

Background

The initial rainwater can adsorb a large amount of air dust, meanwhile, the initial rainwater can carry a large amount of solid particles such as silt and the like when scouring the ground, and the rainwater is directly discharged to rivers and lakes to cause serious pollution to the environment, so that the part of rainwater needs to be subjected to harmless treatment; with the progress of rainfall, pollutants remained on the ground and in the pipe network are gradually reduced, rainwater becomes relatively clean, and the rainwater can be directly discharged into rivers and lakes. Therefore, the diversion and collection of the initial rainwater is a problem to be solved in the municipal drainage system at present. The utility model discloses a patent No. 201710588988.2's utility model discloses a runoff rainwater divides matter to hold back device and method based on light sense technique, and it mainly utilizes the transmissivity difference of light in aqueous to judge whether rivers are sewage or clear water to control the switching of gate according to this, realize the reposition of redundant personnel of initial stage and water. However, this technical scheme has a great defect in the actual operation in-process, not only contain soluble harmful substance and suspended solid thing in initial stage and aquatic promptly, still carry large granule solid pollutant such as a large amount of silt, these pollutants partly can be attached to on detecting the pond inner wall, the solid particle of high-speed flow can cause wearing and tearing to the inner wall of detecting the pond simultaneously, this all can cause harmful effects to the luminousness that detects pond itself, the serious interference detects the precision, thereby lead to whole trapping apparatus to appear the erroneous judgement, regard a large amount of clean rainwater as sewage and hold back, sewage treatment system's work burden has been increaseed, sewage treatment efficiency has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can improve the self-cleaning initial rainwater abandoning system based on thing networking that initial rainwater abandoned class interception control accuracy.

The technical proposal adopted by the utility model is as follows.

A self-cleaning initial rainwater discarding system based on the Internet of things comprises a discarding pool, a detection module, a control module, a power module and a wireless communication module; the waste flow pool is connected with a water inlet pipe, a water outlet pipe and a sewage discharge pipe, the water outlet pipe and the sewage discharge pipe are provided with electric control gates for controlling the water inlet pipe and the sewage discharge pipe to be alternately switched on and off with the waste flow pool, the electric control gates are connected with a control module, the detection module is used for detecting the water quality of the water body flowing through the waste flow pool, and the detection data output end of the detection module is connected with the control module; the detection module comprises a sample cell, a light source emitting device and a light source receiving device, the light source emitting device and the light source receiving device are respectively arranged on two opposite side walls of the sample cell, the light source emitting device and the light source receiving device are arranged right opposite to each other, the sample cell is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are both communicated with the water inlet pipe, a water pump is arranged on the water inlet pipe or the water outlet pipe, and the water pump is electrically connected with the control module; still be equipped with the belt cleaning device who is used for wasing the sample cell inner wall in the sample cell, belt cleaning device is connected with the control module electricity, control module passes through wireless communication module and rainfall detection module interconnection.

The cleaning device comprises a brush plate arranged in a sample cell, the surface of the brush plate is parallel to a light beam path emitted by a light source emitting device, the edge of the brush plate is made of a flexible material, the edge of the brush plate is attached to the inner wall of the sample cell, the sample cell is separated into a first cavity and a second cavity by the brush plate, a through hole used for communicating the first cavity and the second cavity is formed in the brush plate, the brush plate is arranged along the direction reciprocating motion of the light beam path perpendicular to the direction of the brush plate, and a driving unit used for driving the brush plate to reciprocate is arranged on the sample cell and is electrically connected with a control module.

The first cavity is communicated with the water inlet pipe, a first one-way valve is arranged on a channel between the first cavity and the water inlet pipe, and the first one-way valve is assembled in such a way that the water in the first cavity can flow to the water inlet pipe and the water in the water inlet pipe cannot flow to the first cavity; the through hole is provided with a second one-way valve which is assembled in such a way that the water in the second chamber can flow to the first chamber and the water in the first chamber cannot flow like the second chamber.

The inlet tube is communicated with the filtering tank, and the filtering tank is used for filtering silt in a water body flowing through the flow discarding tank.

The filter tank is provided with a first water inlet, a second water inlet, a first water outlet and a second water outlet, the first water outlet and the second water outlet are communicated with a water inlet pipe, a filter screen plate is horizontally arranged in the filter tank, the first water inlet and the second water outlet are communicated with the upper side space of the filter screen plate, the second water inlet and the first water outlet are communicated with the lower side space of the filter screen plate, a first gate and a second gate are arranged in the filter tank, the first gate is arranged on the first water inlet and the second water inlet and used for alternately controlling the opening and closing of the first water inlet and the second water inlet, and the second gate is arranged on the second water outlet and used for controlling the opening and closing of the second water outlet; and a liquid level meter is arranged in the filter tank and is electrically connected with the control module.

A buoyancy type driving mechanism for driving the first gate and the second gate to act is arranged in the filter tank, and comprises a buoyancy tank, an energy storage device, a first locking mechanism and a second locking mechanism; the floating box is movably arranged along the vertical direction and can fluctuate up and down along with the fluctuation of the liquid level of the filter tank, and the energy storage device is an elastic element arranged between the floating box and the first gate and between the floating box and the second gate; the first locking mechanism is assembled to limit the first gate and the second gate at a low position when the first gate and the second gate are at the low position and the water level of the filter tank does not reach a preset first trigger water level, and release the first gate and the second gate when the water level of the filter tank reaches the preset first trigger water level; the second locking mechanism is assembled to restrict the gate at the high position when the gate is at the high position and the filter tank water level does not fall to the preset second trigger water level, and to release the gate when the filter tank water level falls to the preset second trigger water level.

The first locking mechanism comprises a limiting groove fixedly connected with the first gate and the second gate, and a swinging block rotatably connected with the wall of the filtering pool, the limiting groove comprises a strip groove arranged in the vertical direction and an arc groove arranged at the upper end of the strip groove and communicated with the strip groove, the arc center of the arc groove is positioned on the central line of the strip groove, the diameter of the arc groove is larger than the width of the strip groove, the rotation center of the swinging block is positioned on the central line of the strip groove, the rotation radius of the swinging block is consistent with the radius of the arc groove, the width of the swinging block is small and the width of the strip groove, a driving lever is arranged on a rotating shaft of the swinging block, the end part of the driving lever is in blocking connection with the floating box, the driving lever can be upwards pushed when the floating box goes upwards to drive the swinging block to swing, and when the water level of the filtering pool reaches a preset first trigger water level, the swinging block just can swing to a state parallel to the strip groove.

The second locking mechanism comprises a clamping jaw, the clamping jaw is hinged with the inner wall of the filtering tank, a floater is arranged in the filtering tank, a vertical limiting rod is fixedly connected onto the floater, the limiting rod is connected with the wall of the filtering tank in a sliding mode along the vertical direction, an inclined surface is arranged at the upper end of the limiting rod, a guide wheel is arranged on the clamping jaw, the guide wheel is positioned on the motion path of the limiting rod, when the water level of the filtering tank is lower than a preset second trigger water level, the limiting rod is positioned below the guide wheel, the clamping jaw is in a natural sagging state and is mutually avoided with convex shoulders horizontally and convexly arranged on the first gate and the second gate, when the water level of the filtering tank is higher than the preset second trigger water level, the limiting rod moves upwards under the driving of the floater, the inclined surface at the upper end of the limiting rod pushes the guide wheel to deviate towards one side of the limiting rod until the guide wheel is in, when the shoulder moves from bottom to top, the clamping jaw can be pushed to swing upwards so as to avoid the clamping jaw, and when the shoulder moves from top to bottom, the clamping jaw is blocked by the limiting rod and cannot swing downwards so as to be in blocking connection with the shoulder.

The filter screen plate comprises at least two layers of screen surfaces, the meshes of each layer of screen surface are arranged in a staggered mode, and the screen surfaces of each layer are arranged in a relatively movable mode in the vertical direction.

The lowest layer of the net surface in each layer is fixedly connected with the wall of the filtering tank; the net surface at the lowest layer is provided with a first limiting pin protruding upwards, the net surface at the uppermost layer is provided with a second limiting pin protruding downwards, the first limiting pin and the second limiting pin are in a stepped shaft shape, the shaft diameter of the first limiting pin is gradually increased from bottom to top, and the shaft diameter of the second limiting pin is gradually increased from top to bottom; first through holes for the first limiting pins to penetrate through are respectively arranged on each layer of net surface above the lowest layer of net surface, the aperture of each first through hole is sequentially increased, and the edge of each first through hole is respectively connected with each stage of the first limiting pin in a blocking manner; second through holes for the second limiting pins to penetrate are formed in each layer of net surface below the uppermost layer of net surface, the aperture of each second through hole is sequentially increased, and the edge of each second through hole is in blocking connection with each stage of the second limiting pin; and the bottom of the first gate and/or the second gate is/are provided with a driving block which protrudes and extends below the filter screen plate, and the driving block is blocked and connected with the lower end of the second limiting pin.

The utility model discloses the technological effect who gains does: the utility model discloses acquire the water quality of water of abandoning the class pond of flowing through in real time according to detection module's detection data to adjust the intercommunication state of blow off pipe and drain pipe in real time according to the quality of water change, accomplish the accurate of initial stage rainwater and dammed, reduced the waste of clean water resource when avoiding initial stage rainwater polluted environment, reduced blow off pipe low reaches sewage treatment system's burden simultaneously again. Additionally, the utility model discloses judge the stained condition of detection module according to the relation of rainfall and rainwater quality of water, when detection module appears stained, the utility model discloses automatic control belt cleaning device washs detection module, avoids detection module erroneous judgement, further improves the precision of damming.

Drawings

Fig. 1 is a perspective view of a self-cleaning initial rainwater drainage system based on the internet of things according to an embodiment of the present invention;

fig. 2 is a top view of an internet of things-based self-cleaning initial rainwater drainage system provided by an embodiment of the invention;

fig. 3 is a perspective view of a cleaning device according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a cleaning device provided in an embodiment of the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 2;

FIG. 6 is an enlarged partial view of I of FIG. 5;

FIG. 7 is a schematic view of a variation of the cross-sectional view of FIG. 5;

FIG. 8 is an enlarged partial view of II of FIG. 7;

fig. 9 is a perspective view of a buoyancy-type driving mechanism according to an embodiment of the present invention;

FIG. 10 is a cross-sectional view B-B of FIG. 2;

FIG. 11 is a schematic view of a variation of the cross-sectional view of FIG. 10;

FIG. 12 is a schematic view of another variation of the cross-sectional view of FIG. 10;

fig. 13a and b are schematic diagrams of a second locking mechanism according to an embodiment of the present invention.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.

As shown in fig. 1, 2, 3 and 4, a self-cleaning initial rainwater discarding system based on the internet of things comprises a discarding pool 70, a detection module 72, a control module 90, a power supply module and a wireless communication module; the water discharge pipe 701 and the sewage pipe 702 are provided with an electric control gate 71 for controlling the water discharge pipe 701 and the sewage pipe 702 to be alternately switched on and off with the water discharge tank 70, the electric control gate 71 is connected with the control module 90, the detection module 72 is used for detecting the water quality of the water body flowing through the water discharge tank 70, and the detection data output end of the detection module 72 is connected with the control module 90; the detection module 72 comprises a sample cell 721, a light source emitting device 722 and a light source receiving device 723, wherein the light source emitting device 722 and the light source receiving device 723 are respectively installed on two opposite side walls of the sample cell 721, the light source emitting device 722 and the light source receiving device 723 are arranged opposite to each other, the sample cell 721 is provided with a water inlet pipe 731 and a water outlet pipe 732, the water inlet pipe 731 and the water outlet pipe 732 are both communicated with the water inlet pipe, the water inlet pipe 731 or the water outlet pipe 732 is provided with a water pump 73, and the water pump 73 is electrically connected with the control module 90; still be equipped with the belt cleaning device who is used for wasing sample cell 721 inner wall in the sample cell 721, belt cleaning device is connected with control module 90 electricity, control module 90 is interconnected with rainfall detection module 72 through wireless communication module. The utility model discloses acquire the water quality of abandoning the pond 70 of abandoning of flowing through in real time according to detection module 72's detection data to adjust blow off pipe 702 and drain pipe 701's connected state in real time according to the water quality change, when detection module 72 detects water quality inferior to abandon the critical quality of water of class, blow off pipe 702 is opened, and drain pipe 701 is closed, and sewage gets into low reaches sewage factory, when detection module 72 detects water quality and is superior to abandoning the critical quality of water of class, blow off pipe 702 closes, and drain pipe 701 is opened, makes clean rainwater directly flow into low reaches rivers and lakes, the utility model discloses accomplish the accurate of initial stage rainwater and dammed, reduced the waste of clean water resource when avoiding initial stage rainwater polluted environment, reduced blow off pipe 702 low reaches sewage treatment system's burden simultaneously again.

Additionally, the utility model discloses judge the stained condition of detection module 72 according to the relation of rainfall and rainwater quality of water, when detection module 72 appears stained, the utility model discloses automatic control belt cleaning device washs detection module 72, avoids detection module 72 erroneous judgement, further improves the precision of damming, and its principle is: technical personnel set up the critical quality of water of abandoning a class according to regional environment and climatic conditions, establish water quality change and rainfall relation through a lot of field detections in advance, and confirm the rainfall average value that abandons a class critical quality of water corresponds, when the rainfall reaches this numerical value each time, can roughly think that rainwater quality of water has been superior to abandoning a class critical quality of water, if after a period of time rainwater fully assembled to abandoning a class pond 70, the detection data of detection module 72 still shows that quality of water is inferior to abandoning a class critical quality of water, explain that detection module 72 probably has received the pollution, and then control belt cleaning device and wash detection module 72.

It should be especially noted that, the rainfall can only be as the approximate judgement foundation of rainwater quality of water, and its judged result is not necessarily accurate, consequently the utility model discloses only regard the rainfall as the stained foundation of judging whether detection module 72, and do not regard as the foundation that the rainwater dammed, and detection module 72's defiling belongs to the incident, even the utility model discloses there is the error or misjudgment even when judging the stained condition according to the rainfall, but still can improve the precision of damming of rainwater at to a great extent, this still has apparent technological progress compared with prior art.

Preferably, the cleaning device includes a brush 725 disposed in the sample cell 721, a plate surface of the brush 725 is parallel to a light beam path emitted by the light source emitting device 722, an edge of the brush 725 is made of a flexible material, the edge of the brush 725 is attached to an inner wall of the sample cell 721, the sample cell 721 is divided into a first chamber 726 and a second chamber 727 by the brush 725, a through hole for communicating the first chamber 726 and the second chamber 727 is opened on the brush 725, the brush 725 is disposed in a reciprocating manner along a direction perpendicular to the light beam path, a driving unit 724 for driving the brush 725 to reciprocate is disposed on the sample cell 721, and the driving unit 724 is electrically connected to the control module 90. When the control module 90 determines that the detection module 72 has been contaminated, the driving unit 724 drives the brush plate 725 to reciprocate, so that the edge of the brush plate 725 scrapes the inner wall of the sample cell 721.

Further, the first chamber 726 is communicated with the water inlet pipe, a first one-way valve 729 is arranged on a channel between the first chamber 726 and the water inlet pipe, the first one-way valve 729 is assembled in such a way that the water in the first chamber 726 can flow towards the water inlet pipe and the water in the water inlet pipe cannot flow towards the first chamber 726; a second one-way valve 728 is provided on the through hole, the second one-way valve 728 being configured such that the body of water in the second chamber 727 is able to flow towards the first chamber 726 and the body of water in the first chamber 726 is unable to flow like the second chamber 727. When the brush plate 725 slides towards the second chamber 727, the sewage in the second chamber 727 enters the first chamber 726, and when the brush plate 725 moves towards the first chamber 726, the sewage in the first chamber 726 is directly discharged into the water inlet pipe, so that the sewage is prevented from flowing through the water pump 73 and the downstream pipeline of the sample tank 721 to cause blockage.

Further, the water inlet pipe is communicated with a filtering tank 60, and the filtering tank 60 is used for filtering the silt in the water body before flowing through the flow abandoning tank 70. Specifically, the filtering tank 60 is provided with a first water inlet 601, a second water inlet 602, a first water outlet 603 and a second water outlet 604, the first water outlet 603 and the second water outlet 604 are communicated with a water inlet pipe, the filtering screen 61 is horizontally arranged in the filtering tank 60, the first water inlet 601 and the second water outlet 604 are communicated with the upper space of the filtering screen 61, the second water inlet 602 and the first water outlet 603 are communicated with the lower space of the filtering screen 61, a first gate 101 and a second gate 102 are arranged in the filtering tank 60, the first gate 101 is arranged on the first water inlet 601 and the second water inlet 602 and is used for alternately controlling the opening and closing of the first water inlet 601 and the second water inlet 602, and the second gate 102 is arranged on the second water outlet 604 and is used for controlling the opening and closing of the second water outlet 604; a liquid level meter is arranged in the filtering tank 60 and is electrically connected with the control module 90. In a normal state, the first water inlet 601 and the first water outlet 603 are opened, the second water inlet 602 and the second water outlet 604 are closed, water flows in a direction shown by a dotted arrow in fig. 5, silt in the water body is blocked by the filter screen 61, the water permeability of the filter screen 61 is reduced along with the accumulation of the silt, the liquid level of the filter tank 60 rises, when the liquid level rises to a preset first trigger water level, the first water inlet 601 is closed, the second water inlet 602 and the second water outlet 604 are opened, at the moment, the water flows in a direction shown by a dotted arrow in fig. 7, part of the water flows reversely scour the filter screen 61 to bring the silt into a downstream pipeline, meanwhile, the downstream sewage pipe 702 is opened, the drain pipe 701 is closed, and the water flow carrying the silt flows into a sewage pipeline at the downstream of the sewage pipe 702 and finally. When the water level of the filtering tank 60 falls back to the preset second trigger water level, the first water inlet 601 is opened again, and meanwhile, the second water inlet 602 and the second water outlet 604 are closed, the water flow direction returns to the state shown in fig. 5, and the filtering is continued. And a catch basin 80 is arranged outside the first water inlet 601 and the second water inlet 602 of the filter tank 60. The first gate 101 and the second gate 102 include vertically arranged gate plates, rollers are arranged on two sides of the gate plates, and the rollers and the tracks arranged on two sides of the water flow channel form a rolling fit.

Preferably, as shown in fig. 9, 10, 11 and 12, a buoyancy-type driving mechanism for driving the first gate 101 and the second gate 102 to operate is arranged in the filter tank 60, and the buoyancy-type driving mechanism includes a buoyancy tank 20, an energy storage device 30, a first locking mechanism 40 and a second locking mechanism 50; the floating box 20 is movably arranged along the vertical direction and can fluctuate up and down along with the fluctuation of the liquid level of the filter tank 60, the first gate 101 and the second gate 102 respectively comprise a gate plate 10 which is vertically arranged, rollers are arranged on two sides of the gate plate 10, the rollers and the tracks 11 arranged on two sides of the water flow channel form rolling fit, and a first support 12 which is fixedly connected with the gate plate 10 is arranged on the gate plate 10; the buoyancy tank 20 comprises a tank body and a second support 21 fixedly connected with the tank body, the energy storage device 30 is an elastic element arranged between the buoyancy tank 20 and the first gate 101 and the second gate 102, the first support 12 is provided with a guide post 13 which is arranged to protrude upwards along the vertical direction, the second support 21 is provided with a guide hole, the guide post 13 passes through the guide hole and forms sliding fit with the guide hole, the end part of the guide post 13 is provided with a radial flange, the energy storage device 30 is a pressure spring sleeved on the guide post 13, one end of the pressure spring is abutted against the radial flange of the guide post 13, and the other end of the pressure spring is abutted against the second support 21; the first locking mechanism 40 is assembled to limit the first gate 101 and the second gate 102 at the low position when the first gate 101 and the second gate 102 are at the low position and the water level of the filter tank 60 does not reach the preset first trigger water level, and the first locking mechanism 40 can release the first gate 101 and the second gate 102 when the water level of the filter tank 60 reaches the preset first trigger water level; the second locking mechanism 50 is configured such that when the gate is at the high position and the level of the filter tank 60 does not fall to the preset second trigger level, the second locking mechanism 50 can restrict the gate at the high position, and when the level of the filter tank 60 falls to the preset second trigger level, the second locking mechanism 50 can release the gate.

Specifically, the first locking mechanism 40 includes a limiting groove 41 fixedly connected to the first gate 101 and the second gate 102, and a swing block 42 rotatably connected to the wall of the filtering tank 60, the limiting groove 41 includes a strip groove arranged in the vertical direction, and an arc groove arranged at the upper end of the strip groove and communicated with the strip groove, the arc center of the arc groove is located on the center line of the strip groove, the diameter of the arc groove is greater than the width of the strip groove, the rotation center of the swing block 42 is located on the center line of the strip groove, the rotation radius of the swing block 42 is identical to the radius of the arc groove, the width of the swing block 42 is smaller than the width of the strip groove, a shift lever 43 is arranged on the rotating shaft of the swing block 42, the end of the shift lever 43 is blocked with the buoyancy tank 20, when the buoyancy tank 20 moves upwards, the shift lever 43 can be pushed upwards to drive the swing block 42, and when the water level of the filtering tank 60 reaches a preset first trigger water level, the swinging block 42 can just swing to be parallel to the strip groove, and a pin 45 for limiting the swinging range of the shifting lever 43 is further arranged on the wall of the filtering tank 60. The first locking mechanism 40 is used for limiting the gate at a low position when the water level rises and does not reach a preset first trigger water level, so that the gate is prevented from slowly moving upwards along with the buoyancy tank 20, and an acting point is provided for energy storage of the energy storage device 30; the buoyancy tank 20 is provided with a push rod 46, and the upper end of the push rod 46 is blocked with a stop pin 44 convexly arranged at the end part of the shift lever 43. As shown in fig. 10, when the water level rises, the buoyancy tank 20 slowly moves upwards, at this time, the length direction of the swing block 42 is not parallel to the bar groove, the swing block 42 is limited in the arc groove at the top of the bar groove, and the swing block 42 can swing along the arc groove, and along with the continuous rise of the water level, the push rod 46 drives the shift rod 43 to swing, the shift rod 43 drives the swing block 42 to swing, when the swing block 42 swings to be parallel to the bar groove, as shown in fig. 11, the swing block 42 is separated from the arc groove, at this time, the swing block 42 loses the limit to the vertical direction of the gate, and the gate is instantly lifted under the effect of the energy storage device 30, as shown in fig. 12.

As shown in fig. 13, the second locking mechanism 50 includes a claw 51, the claw 51 is hinged to an inner wall of the filtering tank 60, a float 52 is disposed in the filtering tank 60, a vertical limiting rod 53 is fixedly connected to the float 52, the limiting rod 53 is slidably connected to a wall of the filtering tank 60 along a vertical direction, an inclined surface is disposed at an upper end of the limiting rod 53, a guide wheel 54 is disposed on the claw 51, the guide wheel 54 is located on a moving path of the limiting rod 53, when a water level of the filtering tank 60 is lower than a preset second trigger water level, the limiting rod 53 is located below the guide wheel 54, at this time, the claw 51 is in a natural drooping state and avoids from a shoulder 121 horizontally protruding from the first gate 101 and the second gate 102, when the water level of the filtering tank 60 is higher than the preset second trigger water level, the limiting rod 53 moves upward under the drive of the float 52, the inclined surface at the upper end of the limiting rod 53 pushes the guide wheel, until the guide wheel 54 is in contact with the side wall of the limiting rod 53, the claw 51 swings to the moving path of the shoulder 121, and when the shoulder 121 moves from bottom to top, the claw 51 can be pushed to swing upwards to avoid the claw 51, and when the shoulder 121 moves from top to bottom, the claw 51 is blocked by the limiting rod 53 and cannot swing downwards so that the claw 51 is in contact with the shoulder 121. The second locking mechanism 50 is used for keeping the gate at the high position after the gate is switched to the high position, and when the water level falls back to the preset second trigger water level, the second locking mechanism 50 releases the gate, so that the gate falls back to the low position under the action of gravity. The second locking mechanism 50 provided in this embodiment specifically operates according to the following principle: when the water level reaches the preset second trigger water level, the float 52 drives the limiting rod 53 to move upwards, the limiting rod 53 pushes the claw 51 to the position interfering with the shoulder 121, as shown in fig. 13b, the latch 51 can only swing upwards and cannot swing downwards under the limit of the limit rod 53, and as the water level continues to rise, the first locking mechanism 40 is triggered, the gate moves upwards, in the process, the shoulder 121 pushes the pawl 51 to swing upward to pass over the pawl 51 to the high position, and then, the gate has a downward trend along with the fall of the water level, and the shoulder 121 is blocked by the claw 51 and cannot descend, so that the gate is maintained at a high position, and when the water level falls back below the preset second trigger level, the stopper rod 53 is separated from the pawl 51, the pawl 51 swings downward to avoid the shoulder 121, and the gate is free to fall back to a low position, as shown in fig. 13 a.

As shown in fig. 6 and 8, the filter screen 61 includes at least two layers of screen surfaces 611, the meshes of each layer of screen surface 611 are staggered, and the screen surfaces 611 are arranged movably in the vertical direction, and the lowest layer of screen surface 611 of each layer of screen surface 611 is fixedly connected with the wall of the filter tank 60; a first limit pin 612 protruding upwards is arranged on the lowest layer of net surface 611, a second limit pin 613 protruding downwards is arranged on the uppermost layer of net surface 611, the first limit pin 612 and the second limit pin 613 are both in a stepped shaft shape, the shaft diameter of the first limit pin 612 is gradually increased from bottom to top, and the shaft diameter of the second limit pin 613 is gradually increased from top to bottom; each layer of net surface 611 above the lowest layer of net surface 611 is respectively provided with a first through hole for the first limit pin 612 to pass through, the aperture of each first through hole is sequentially increased, and the edge of each first through hole is respectively connected with each step of the first limit pin 612 in a blocking manner; each layer of the net surface 611 below the uppermost layer of the net surface 611 is provided with a second through hole for the second limit pin 613 to pass through, the aperture of each second through hole is sequentially increased, and the edge of each second through hole is respectively connected with each step of the second limit pin 613; the bottom of the first gate 101 and/or the second gate 102 is provided with a driving block 14 protruding below the filter screen 61, and the driving block 14 is blocked and connected with the lower end of the second limit pin 613. As shown in fig. 6, when the net surfaces 611 are attached, a fine filtering mesh can be formed to improve the filtering effect, and in the back washing state, as shown in fig. 8, the net surfaces 611 are separated from each other, the mesh is large, so that the silt can be separated from the mesh conveniently, and the washing effect is improved. When the state of the gate is switched, the screen surfaces 611 of all layers can be triggered to be separated or attached at the same time, the linkage design of the filter screen plate 61 and the gate is realized, the equipment structure is simplified, the use of an additional driving element is avoided, and the equipment failure rate is reduced.

The utility model discloses a thereby buoyancy formula actuating mechanism can reach and predetermine the highest or trigger the gate switching state in the twinkling of an eye when the minimum critical water level in filtering ponds 60 water level, and gate state switches the back, can keep the state after switching, reachs another critical water level and triggers the gate once more until the water level, the utility model provides a power that uses when gate state switches comes by the buoyancy conversion completely, need not external any drive element, and is energy-concerving and environment-protective, long service life.

The utility model discloses compare the main difference with buoyancy formula gate among the prior art and lie in: buoyancy-type gate among the prior art is pin-jointed structure mostly, and the resistance of the water that receives in the gate switching process is great, and corresponding speed is slow, and the utility model provides a motion direction of gate is perpendicular with the rivers direction, and furthest has reduced the motion resistance of gate, and then makes the gate can carry out the state with very fast response speed and switch, and this can effectively avoid silt to get into in the middle of the clear water pipeline. Additionally, the utility model discloses an elastic element carries out the energy storage, can convert the instantaneous high-speed motion of the long-time low-speed motion conversion of flotation tank 20 to gate to realized the quick switching of gate under the condition with the help of external drive, ingenious utilization the produced tidal energy of water level fluctuation in-process, reduced equipment energy consumption and cost.

The use method of the self-cleaning initial rainwater flow discarding system based on the Internet of things comprises the following steps:

step 1: measuring the water quality of the water body and the transmittance of visible light in the water body, establishing the relation between the water quality of the water body and the visible light transmittance of the water body, detecting the initial rainwater quality change process, and determining the abandon critical water quality and the visible light transmittance corresponding to the abandon critical water quality; simultaneously measuring the rainfall in the rainfall process, establishing the relation between the rainfall and the water quality change, and determining the rainfall corresponding to the critical water quality of the abandoned flow;

step 2: the control module 90 collects the detection data of the detection module 72 in real time and calculates the visible light transmittance of the current water body, and when the transmittance is greater than the transmittance corresponding to the set critical water quality, the control module 90 controls the electric control gate 71 to act, so that the drain pipe 701 is opened and the drain pipe 702 is closed; when the transmissivity is smaller than the transmissivity corresponding to the set critical water quality, the control module 90 controls the electric control gate 71 to act, the drain pipe 701 is closed, and the drain pipe 702 is opened;

in step 2, the control module 90 obtains detection data of the rainfall detection module 72 in real time, when the rainfall reaches the rainfall corresponding to the flow abandoning critical water quality and a preset period of time elapses, if the transmittance detected by the detection module 72 is already greater than the transmittance corresponding to the flow abandoning critical water quality, the control module 90 does not operate, and if the transmittance detected by the detection module 72 is still less than the transmittance corresponding to the flow abandoning critical water quality, the controller controls the cleaning device to operate;

in the step 2, the control module 90 simultaneously collects detection data of the liquid level meter, when the water level in the filtering tank 60 is higher than a preset first trigger water level, the control module 90 controls the water pump 73 to be closed, and simultaneously controls the electric control gate 71 to open the sewage discharge pipe 702 and close the drain pipe 701; until the water level in the filtering tank 60 falls below the preset second trigger water level, the control module 90 controls the electric control gate 71 and the water pump 73 to recover the original state.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims (10)

1. The utility model provides a self-cleaning initial stage rainwater abandons a class system based on thing networking which characterized in that: the device comprises a discarding pool (70), a detection module (72), a control module (90), a power supply module and a wireless communication module; the water discharge and drainage device is characterized in that the drainage pool (70) is connected with a water inlet pipe, a drainage pipe (701) and a drainage pipe (702), the drainage pipe (701) and the drainage pipe (702) are provided with an electric control gate (71) for controlling the drainage pool and the drainage pool (70) to be alternately switched on and off, the electric control gate (71) is connected with a control module (90), the detection module (72) is used for detecting the water quality of a water body flowing through the drainage pool (70), and the detection data output end of the detection module (72) is connected with the control module (90); the detection module (72) comprises a sample cell (721), a light source emitting device (722) and a light source receiving device (723), the light source emitting device (722) and the light source receiving device (723) are respectively installed on two opposite side walls of the sample cell (721), the light source emitting device (722) and the light source receiving device (723) are arranged in a right-to-side mode, the sample cell (721) is provided with a water inlet pipe (731) and a water outlet pipe (732), the water inlet pipe (731) and the water outlet pipe (732) are both communicated with the water inlet pipe, a water pump (73) is arranged on the water inlet pipe (731) or the water outlet pipe (732), and the water pump (73) is electrically connected with the control module (90); still be equipped with the belt cleaning device who is used for wasing sample cell (721) inner wall in sample cell (721), belt cleaning device is connected with control module (90) electricity, control module (90) are interconnected through wireless communication module and rainfall detection module (72).

2. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 1, wherein: the cleaning device comprises a brush plate (725) arranged in a sample cell (721), the surface of the brush plate (725) is parallel to the path of a light beam emitted by a light source emitting device (722), the edge of the brush plate (725) is made of a flexible material, the edge of the brush plate (725) is attached to the inner wall of the sample cell (721), the sample cell (721) is divided into a first chamber (726) and a second chamber (727) by the brush plate (725), a through hole for communicating the first chamber (726) with the second chamber (727) is formed in the brush plate (725), the brush plate (725) is arranged in a reciprocating motion mode along the direction perpendicular to the path of the light beam, a driving unit (724) for driving the brush plate (725) to reciprocate is arranged on the sample cell (721), and the driving unit (724) is electrically connected with a control module (90).

3. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 2, wherein: the first chamber (726) is communicated with the water inlet pipe, a first one-way valve (729) is arranged on a channel between the first chamber (726) and the water inlet pipe, and the first one-way valve (729) is assembled in such a way that the water in the first chamber (726) can flow to the water inlet pipe and the water in the water inlet pipe cannot flow to the first chamber (726); a second one-way valve (728) is arranged on the through hole, the second one-way valve (728) is assembled to enable the water body in the second chamber (727) to flow to the first chamber (726) and the water body in the first chamber (726) can not flow like the second chamber (727).

4. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 1, wherein: the water inlet pipe is communicated with the filtering tank (60), and the filtering tank (60) is used for filtering silt in a water body flowing through the flow abandoning tank (70) in front.

5. The Internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 4, wherein: the filter tank (60) is provided with a first water inlet (601), a second water inlet (602), a first water outlet (603) and a second water outlet (604), the first water outlet (603) and the second water outlet (604) are communicated with a water inlet pipe, a filter screen plate (61) is horizontally arranged in the filter tank (60), the first water inlet (601) and the second water outlet (604) are communicated with the upper side space of the filter screen plate (61), the second water inlet (602) and the first water outlet (603) are communicated with the lower side space of the filter screen plate (61), a first gate (101) and a second gate (102) are arranged in the filter tank (60), the first gate (101) is arranged on the first water inlet (601) and the second water inlet (602) and used for alternately controlling the opening and closing of the first water inlet (601) and the second water inlet (602), and the second gate (102) is arranged on the second water outlet (604), the water outlet is used for controlling the opening and closing of the second water outlet (604); a liquid level meter is arranged in the filtering tank (60) and is electrically connected with the control module (90).

6. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 5, wherein: a buoyancy type driving mechanism for driving a first gate (101) and a second gate (102) to act is arranged in the filter tank (60), and the buoyancy type driving mechanism comprises a buoyancy tank (20), an energy storage device (30), a first locking mechanism (40) and a second locking mechanism (50); the floating box (20) is movably arranged along the vertical direction and can fluctuate up and down along with the fluctuation of the liquid level of the filter tank (60), and the energy storage device (30) is an elastic element arranged between the floating box (20) and the first gate (101) and the second gate (102); the first locking mechanism (40) is assembled to limit the first gate (101) and the second gate (102) at a low position when the first gate (101) and the second gate (102) are at the low position and the water level of the filter tank (60) does not reach a preset first trigger water level, and release the first gate (101) and the second gate (102) when the water level of the filter tank (60) reaches the preset first trigger water level; the second locking mechanism (50) is arranged such that when the gate is in the raised position and the level of the filtration tank (60) has not fallen to a predetermined second trigger level, the second locking mechanism (50) is able to restrain the gate in the raised position and when the level of the filtration tank (60) has fallen to the predetermined second trigger level, the second locking mechanism (50) is able to release the gate.

7. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 6, wherein: the first locking mechanism (40) comprises a limiting groove (41) fixedly connected with the first gate (101) and the second gate (102) and a swinging block (42) rotatably connected with the wall of the filtering tank (60), the limiting groove (41) comprises a strip groove arranged in the vertical direction and an arc groove arranged at the upper end of the strip groove and communicated with the strip groove, the arc center of the arc groove is positioned on the central line of the strip groove, the diameter of the arc groove is larger than the width of the strip groove, the rotation center of the swinging block (42) is positioned on the central line of the strip groove, the rotation radius of the swinging block (42) is consistent with the radius of the arc groove, the width of the swinging block (42) is small and the width of the strip groove, a shifting rod (43) is arranged on a rotating shaft of the swinging block (42), the end part of the shifting rod (43) is connected with the floating box (20) in a blocking manner, and the shifting rod (43) can be upwards pushed when the floating box (20) goes upwards to drive the swinging block (42) to swing, and when the water level of the filter tank (60) reaches the preset first trigger water level, the swinging block (42) can just swing to be parallel to the strip groove.

8. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 6, wherein: the second locking mechanism (50) comprises a clamping jaw (51), the clamping jaw (51) is hinged to the inner wall of the filtering tank (60), a floater (52) is arranged in the filtering tank (60), a vertical limiting rod (53) is fixedly connected to the floater (52), the limiting rod (53) is connected with the wall of the filtering tank (60) in a sliding mode along the vertical direction, an inclined plane is arranged at the upper end of the limiting rod (53), a guide wheel (54) is arranged on the clamping jaw (51), the guide wheel (54) is located on the moving path of the limiting rod (53), when the water level of the filtering tank (60) is lower than a preset second trigger water level, the limiting rod (53) is located below the guide wheel (54), the clamping jaw (51) is in a natural sagging state and mutually avoids a convex shoulder (121) which is horizontally arranged on the first gate (101) and the second gate (102), and when the water level of the filtering tank (60) is higher than the preset second trigger water level, the limiting rod (53) moves upwards under the driving of the floater (52), the inclined surface at the upper end of the limiting rod (53) pushes the guide wheel (54) to deviate towards one side of the limiting rod (53) until the guide wheel (54) is in blocking connection with the side wall of the limiting rod (53), the jaw (51) swings to the moving path of the convex shoulder (121), the convex shoulder (121) can push the jaw (51) to swing upwards to avoid the jaw (51) when moving from bottom to top, and the jaw (51) is blocked by the limiting rod (53) when moving from top to bottom so that the jaw (51) cannot swing downwards to be in blocking connection with the convex shoulder (121).

9. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 5, wherein: the filter screen plate (61) comprises at least two layers of screen surfaces (611), the meshes of the screen surfaces (611) are arranged in a staggered mode, and the screen surfaces (611) are arranged in a relatively movable mode in the vertical direction.

10. The internet of things-based self-cleaning initial rainwater flow abandoning system according to claim 9, wherein: the lowest layer of net surface (611) in each layer of net surface (611) is fixedly connected with the wall of the filtering tank (60); a first limiting pin (612) which protrudes upwards is arranged on the net surface (611) at the lowest layer, a second limiting pin (613) which protrudes downwards is arranged on the net surface (611) at the uppermost layer, the first limiting pin (612) and the second limiting pin (613) are both in a stepped shaft shape, the shaft diameter of the first limiting pin (612) is gradually increased from bottom to top, and the shaft diameter of the second limiting pin (613) is gradually increased from top to bottom; first through holes for the first limiting pins (612) to pass through are respectively arranged on each layer of the net surface (611) above the lowest layer of the net surface (611), the aperture of each first through hole is sequentially increased, and the edge of each first through hole is respectively in blocking connection with each step of the first limiting pin (612); each layer of net surface (611) below the uppermost layer of net surface (611) is respectively provided with a second through hole for the second limit pin (613) to pass through, the aperture of each second through hole is sequentially increased, and the edge of each second through hole is respectively connected with each step of the second limit pin (613); the bottom of the first gate (101) and/or the second gate (102) is provided with a driving block (14) which protrudes below the filter screen plate (61), and the driving block (14) is blocked and connected with the lower end of the second limit pin (613).

Images