CN220336064U - Closed initial rainwater discarding well capable of automatically early warning - Google Patents

Abstract

The utility model discloses a closed type initial rainwater drainage well capable of automatically early warning, and relates to the technical field of rainwater recovery. The closed type initial rainwater drainage well capable of automatically early warning can achieve the effects of automatically opening and closing a rainwater inlet, automatically separating rainwater at the early stage and the late stage and sundries in the rainwater by utilizing the moment relation and the gravity balance principle; meanwhile, the rainwater quality separating device can intercept sundries carried in the rainwater runoff at the front end of the pipe network, and separate the rainwater at the early stage and the later stage according to quality so as to achieve the purposes of reducing the running load of a sewage treatment plant and recycling the rainwater at the later stage; in addition, the opening and closing angle of the closed type rainwater grate and the water level state in the rainwater pipe are monitored through the sensor, so that the purposes of remotely monitoring the running state of the rainwater inlet, the rainfall intensity and the ponding early warning are achieved.

Description

Closed initial rainwater discarding well capable of automatically early warning

Technical Field

The utility model relates to the technical field of rainwater recovery, in particular to a closed type initial rainwater drainage well capable of automatically early warning.

Background

Rainwater is a non-conventional water resource, and the value of recycling is of great concern. The inlet for rain water enters the urban underground drainage pipe network, is a primary channel for ground rain water and urban pollutants to drain into river and lake water, is used as the front end for collecting urban rain water, and is found through investigation that the urban pipe network arrangement mode adopting the rain and sewage converging mode can enable road surface garbage to enter the inlet for rain water along with wind and sweeping under the condition of no shielding at all, so that the inlet for rain water is blocked, road ponding is easy to cause during rainfall, and the problem that the garbage is accumulated at the inlet for rain water to cause peculiar smell overflow, mosquito walk-away and the like after the inlet for long-term running seriously affects urban environment. In addition, the rainwater and sewage flow converging can also lead to the increase of the treatment capacity of a sewage treatment plant, the operation cost is increased, meanwhile, the later-stage rainwater with fewer pollutants cannot be reasonably utilized, and based on the fact, the application provides an automatic early-warning closed initial rainwater flow discarding well.

Disclosure of Invention

The utility model provides a closed type initial rainwater drainage well capable of automatically early warning, which solves the problems that the arrangement mode of the urban pipe network adopting rainwater and sewage converging type is easy to cause odor overflow, mosquito crossing and the like after a rainwater inlet runs for a long time in the background technology, and seriously affects urban environment. In addition, the rainwater and sewage converging can also cause the increase of the treatment capacity of a sewage treatment plant, the increase of the operation cost, and meanwhile, the problem that the later-stage rainwater with fewer pollutants cannot be reasonably utilized.

The utility model provides the following technical scheme: the utility model provides a closed initial rainwater that can automatic early warning abandons a class well, utilizes moment relation and gravity balance principle, can reach the effect that the inlet for stom water is automatic to open and shut, early and later stage rainwater and debris autosegregation in the rainwater. Meanwhile, the rainwater quality separation device can realize that sundries carried in rainwater runoff are intercepted at the front end of a pipe network, primary and later-stage rainwater is separated according to quality, rainwater with serious pollution in the earlier stage of rainwater discarding and rainfall is introduced into a rainwater reservoir as a municipal miscellaneous water source or landscape water, so that the purposes of reducing the running load of a sewage treatment plant and recycling the later-stage rainwater are achieved. In addition, the opening and closing angle of the closed type rainwater grate and the water level state in the rainwater pipe are monitored through the sensor, so that the purposes of remotely monitoring the running state of the rainwater inlet, the rainfall intensity and the ponding early warning are achieved.

The utility model provides a but closed initial rainwater of automatic early warning abandons class well, includes the catch basin, the top of catch basin is equipped with closed rainwater grate, the top swing joint of catch basin inner chamber has the rainwater guide plate, closed rainwater grate is located the top of rainwater guide plate, the one end fixedly connected with braced frame of rainwater guide plate, impurity collection frame has been placed to the inner chamber of braced frame, the inner chamber of catch basin bottom divide into later stage catch basin, initial rainwater and abandons class well and edulcoration well, the braced frame is located the top of later stage catch basin inner chamber;

the closed rainwater grate comprises a flat grate type rainwater inlet and a vertical grate type rainwater inlet which are fixedly connected with the top of the rainwater well inner cavity, four peculiar smell blocking plates which are movably connected with the top of the rainwater well inner cavity, and a rainwater drainage plate which is fixedly connected with the rainwater well inner wall; the bottom of the flat grate type gully and the bottom of the vertical grate type gully are respectively provided with two peculiar smell baffle plates, one end, connected with the gully, of each peculiar smell baffle plate is fixedly connected with a torsion spring, the other end of each torsion spring is fixedly connected with the gully, one side of each peculiar smell baffle plate is provided with an angle sensor, and each rainwater drainage plate is positioned below the corresponding vertical grate type gully;

the inner cavity of the initial rainwater drainage well is fixedly connected with a limiting net pipe, the inner cavity of the limiting net pipe is movably connected with a buoyancy ball, the buoyancy ball is connected with a rainwater guide plate through a push-pull rod, one side of the bottom end of the initial rainwater drainage well is fixedly connected with an initial rainwater drainage pipe, one end of the initial rainwater drainage pipe is provided with a water level sensor, the other end of the initial rainwater drainage pipe is clamped with a plug, and the plug is connected with the buoyancy ball through a second pull rope and a spring; the top of the inner cavity of the impurity removing well is provided with an impurity removing basket.

Preferably, the tension of the torsion spring on the odor baffle plate connected with the torsion spring is the same as the gravity born by the odor baffle plate, and when the two odor baffle plates below the flat grate type gully or the vertical grate type gully are in a horizontal state, the end parts of the two odor baffle plates are contacted.

Preferably, the rainwater drainage plate is inclined, the rainwater drainage plate is positioned below the lower end of the rainwater drainage plate, and the lower end of the rainwater drainage plate is positioned below the peculiar smell baffle plate below the flat grate type gully.

Preferably, the rainwater guide plate is inclined, when the supporting frame is positioned at the low end of the rainwater guide plate, the other end of the rainwater guide plate is positioned in the initial rainwater discarding well, and when the supporting frame is positioned at the high end of the rainwater guide plate, the rainwater guide plate is in contact with the impurity removing basket.

Preferably, the top of edulcoration well inner chamber is equipped with well lid one, the bottom of edulcoration hand-basket and well lid one is connected through first stay cord, the top fixedly connected with backup pad of edulcoration well inner chamber, backup pad and edulcoration hand-basket are the fretwork, the edulcoration hand-basket is placed in the backup pad, the bottom of edulcoration well inner chamber and the inner chamber intercommunication of initial rainwater abandon the flow well.

Preferably, one side of the bottom end of the later rainwater well is fixedly connected with a later rainwater drainage pipe, and a second well cover is arranged at the top of the inner cavity of the later rainwater well.

Preferably, the top fixedly connected with first electro-magnet of spacing network management inner chamber, the intracavity fixedly connected with second electro-magnet of buoyancy ball, first electro-magnet and second electro-magnet both have the same structure, and when letting in the current direction the same, first electro-magnet attracts mutually with second electromagnetic ferromagnetism, the bottom of first electro-magnet is equipped with push type switch.

Compared with the prior art, the utility model has the following beneficial effects:

1. the closed early-stage rainwater drainage well capable of automatically early warning is used for drainage of rainwater with serious pollution in the early stage of rainfall, and the later-stage rainwater with fewer pollutants is introduced into the rainwater reservoir to serve as a municipal miscellaneous water source or landscape water, so that the municipal water cost is saved, the water quality of the receiving water body is improved, and the water environment is protected; only the rainwater with serious pollution is introduced into the sewage treatment plant, so that the load of the sewage treatment plant is reduced, the power consumption of the water plant is reduced, and the running loss of mechanical equipment is reduced.

2. According to the closed type early-stage rainwater drainage well capable of automatically early warning, through the arrangement of the peculiar smell baffle plate, the problems of peculiar smell overflow, mosquito breeding and the like can be effectively solved, small objects can be prevented from falling into the rainwater well, and unnecessary property loss is reduced; through level sensor and angle sensor's setting, but this abandon class well real-time supervision inlet for stom water, rainwater pipe network's running condition and road ponding condition to judge in advance to the probability of local ponding appearing, improve the reliability of flood early warning, avoid unexpected emergence.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic diagram of the left side of FIG. 1 of the structure of the present utility model;

FIG. 3 is a schematic view of the inside of FIG. 1, which is a structural diagram of the present utility model;

FIG. 4 is a schematic elevational view of FIG. 3 showing the construction of the present utility model;

FIG. 5 is an enlarged schematic view of FIG. 4A, which is a structural view of the present utility model;

FIG. 6 is a schematic cross-sectional elevation view of the structure of the present utility model FIG. 1.

In the figure: 1. a catch basin; 2. flat grate type gully; 3. vertical grate type gully; 4. a first well cover; 5. a second well cover; 6. an initial rainwater drainage pipe; 7. a water level sensor; 8. a late stage rainwater drainage pipe; 9. a rainwater drainage plate; 10. a first pull rope; 11. peculiar smell baffle plate; 12. a rain water deflector; 13. a late rainwater well; 14. a support frame; 15. an impurity collection frame; 16. removing impurities from the well; 17. an initial rainwater discarding well; 18. limiting a network manager; 19. a second pull rope; 20. a spring; 21. a plug; 22. impurity removal basket; 23. a support plate; 24. an angle sensor; 25. a torsion spring; 26. a push-pull rod; 27. a buoyancy ball; 28. a first electromagnet; 29. a cylinder; 30. and a moving groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides an embodiment: the utility model provides a but closed initial stage rainwater of automatic early warning abandons class well, includes catch basin 1, and the top of catch basin 1 inner chamber is provided with closed rainwater grate, utilizes closed rainwater grate, and the rainwater can enter into in the catch basin 1.

The closed rainwater grate comprises a flat grate type rainwater inlet 2, a vertical grate type rainwater inlet 3, four peculiar smell blocking plates 11 and a rainwater drainage plate 9, wherein the flat grate type rainwater inlet 2 and the vertical grate type rainwater inlet 3 are fixedly connected with the top of the inner cavity of the rainwater well 1, the rainwater drainage plate 9 is fixedly connected with the inner wall of the rainwater well 1, and the rainwater drainage plate 9 is located below the vertical grate type rainwater inlet 3.

Two peculiar smell baffle plates 11 are arranged below the vertical grate type inlet for stom water 3 and the horizontal grate type inlet for stom water 2, and through the arrangement of the peculiar smell baffle plates 11, the problems of peculiar smell overflow, mosquito breeding and the like can be effectively solved, small objects can be prevented from falling into a rainwater well, and unnecessary property loss is reduced. One end of the peculiar smell baffle 11 is movably connected with the top of the inner cavity of the rainwater well, the torsion springs 25 are fixedly connected to two sides of the end of the peculiar smell baffle 11, the other end of each torsion spring 25 is fixedly connected with the inner wall of the rainwater well 1, and the force of each torsion spring 25 on the peculiar smell baffle 11 can offset the gravity borne by the peculiar smell baffle 11 through the arrangement of the torsion springs 25, so that the peculiar smell baffle 11 can be kept in a horizontal state.

When the peculiar smell baffle plates 11 are kept in a horizontal state, the other ends of the two peculiar smell baffle plates 11 positioned below the vertical grate type gully 3 or the horizontal grate type gully 2 are in a mutually contacted state. When the drainage well is used, rainwater falls on the odor baffle plate 11 below the drainage well through the flat grate type rainwater inlet 2 or the vertical grate type rainwater inlet 3, the balance between the odor baffle plate 11 and the torsion spring 25 can be broken, the odor baffle plate 11 can rotate, and then the rainwater enters the inner cavity of the rainwater well 1.

The rainwater drainage plate 9 is inclined, one end of the rainwater drainage plate 9, which is close to the flat grate type gully 2, is the lower end of the rainwater drainage plate, and the lower end of the rainwater drainage plate 9 is positioned below the peculiar smell baffle 11 below the flat grate type gully 2.

According to the above description, the closed rainwater grate utilizes the lever principle and the gravity balance structure, and two odor blocking plates capable of automatically opening and closing are arranged below the common rainwater grate, so that the effect of normally flowing rainwater in the rainwater grate when rains and blocking the odor in the well from dispersing when rains are absent is achieved. Rainwater can enter the inner cavity of the rainwater well 1 through the vertical grate type rainwater inlet 3 or the flat grate type rainwater inlet 2, and when the flat grate type rainwater inlet 2 is blocked by garbage, the rainwater can enter the rainwater well through the vertical grate type rainwater inlet 3, so that the condition of road ponding is avoided.

One side of the peculiar smell baffle plate 11 is fixedly connected with an angle sensor 24, the opening and closing angle of the peculiar smell baffle plate 11 can be judged through the arrangement of the angle sensor 24, and the rainfall passing through the rain water inlet can be judged according to the opening and closing angle of the peculiar smell baffle plate 11.

The top of the inner cavity of the rainwater well 1 is movably connected with a rainwater guide plate 12, the rainwater guide plate 12 is positioned below the peculiar smell baffle plate 11 and the rainwater guide plate 9, and rainwater entering the rainwater well 1 from a rainwater inlet directly falls onto the rainwater guide plate 12.

One end fixedly connected with braced frame 14 of rainwater guide plate 12, the interior intracavity of braced frame 14 has placed impurity and has collected frame 15, and when rainwater guide plate 12 slope, impurity is collected frame 15 and is located the bottom of rainwater guide plate 12, and the rainwater enters into impurity along rainwater guide plate 12 and collects in frame 15, and impurity is collected frame 15 and is filtered the rainwater, and the rainwater after the filtration drops in the bottom of rainwater well 1 inner chamber.

The bottom of the inner cavity of the rainwater well 1 is divided into three well chambers, namely an impurity removing well 16, an initial rainwater discarding well 17 and a later rainwater well 13, an impurity collecting frame 15 is positioned at the top end of the inner cavity of the later rainwater well 13, rainwater filtered by the impurity collecting frame 15 enters the later rainwater well 13, one side of the bottom of the inner cavity of the later rainwater well 13 is fixedly connected with a later rainwater drain pipe 8, and filtered later rainwater can be drained through the later rainwater drain pipe 8. The top of the inner chamber of the later-stage catch basin 13 is provided with a second well cover 5, and when the second well cover 5 is opened, a user can take out the impurity collecting frame 15, so that impurities in the impurity collecting frame 15 can be cleaned conveniently.

The initial rainwater drainage well 17 is located between the impurity removal well 16 and the later rainwater well 13, one side of the bottom end of the inner cavity of the initial rainwater drainage well 17 is fixedly connected with an initial rainwater drainage pipe 6, one end of the initial rainwater drainage pipe 6 is provided with a water level sensor 7, the water level in the initial rainwater drainage pipe 6 can be monitored by the aid of the water level sensor 7, the size of the rainwater quantity can be judged according to the monitored water level and monitoring duration, and then the early warning function can be achieved.

The inner cavity of the other end of the initial rainwater drain pipe 6 is internally clamped with a plug 21, one end, away from the initial rainwater drain pipe 6, of the plug 21 is fixedly connected with a spring 20, the outer ring of the plug 21 is movably sleeved with a limit sleeve, and the other end of the spring 20 is fixedly connected with the limit sleeve.

The inner cavity of the initial rainwater drainage well 17 is fixedly connected with a limiting net pipe 18, the inner cavity of the limiting net pipe 18 is movably connected with a buoyancy ball 27, the top of the buoyancy ball 27 is fixedly connected with a push-pull rod 26, the other end of the push-pull rod 26 is movably connected with the bottom of the rainwater deflector 12, the bottom of the buoyancy ball 27 is fixedly connected with a second pull rope 19, the other end of the second pull rope 19 is fixedly connected with a plug 21, and two ends of the second pull rope 19 are in a vertical state.

In some embodiments of the present application, the bottom of the rainwater deflector 12 is movably connected with a cylinder 29, the middle of the top end of the push-pull rod 26 is provided with a moving groove 30 adapted to the cylinder 29, and when the bottom of the inner cavity of the moving groove 30 contacts with the cylinder 29, the push-pull rod 26 moves upwards continuously to push the push-pull rod 26 to push the rainwater deflector 12 to rotate.

As can be seen from the above description, the second pull rope 19 can be used to drive the plug 21 to separate from the initial rainwater drain pipe 6 when the buoyancy ball 27 moves upwards, when the plug 21 is completely separated from the initial rainwater drain pipe 6, rainwater in the initial rainwater drainage well 17 can be drained through the initial rainwater drain pipe 6, and the push-pull rod 26 fixedly connected with the buoyancy ball 27 can drive the rainwater guide plate 12 to rotate when the buoyancy ball 27 moves upwards, so that the supporting frame 14 can be positioned at the lower end of the rainwater guide plate 12, and later rainwater can enter the impurity collecting frame 15 conveniently.

The top fixedly connected with first electro-magnet 28 of spacing network management 18 inner chamber, and the bottom of first electro-magnet 28 is equipped with the push type switch, the inner wall fixedly connected with second electro-magnet of buoyancy ball 27, first electro-magnet 28 is the same with second electro-magnet structure, when buoyancy ball 27 extrusion push type switch, first electro-magnet 28 and second electro-magnet are all in the energized state, and when first electro-magnet 28 and second electro-magnet lets in the current direction the same, buoyancy ball 27 and first electro-magnet 28 magnetism are attracted this moment, buoyancy ball 27 position can remain unchanged, and then make rainwater deflector 12 deflection angle remain unchanged, the later stage rainwater is convenient for enter into in the later stage rainwater well 13, when angle sensor 24 detects that peculiar smell baffle 11 does not take place to deflect, first electro-magnet 28 and second electro-magnet opposite direction, first electro-magnet 28 and second electro-magnet repel each other this moment, buoyancy ball 27 moves downwards under the effect of gravity and this magnetism repulsive force, until buoyancy ball 27 resets, make rainwater deflector 12 incline to the ferromagnetic impurity removal well 16, the stopper 21 is again to the initial stage rainwater 6, the drain pipe is convenient for the reuse of this drain.

The initial rainwater enters into the edulcoration well 16 through the rainwater guide plate 12, the top fixedly connected with backup pad 23 of edulcoration well 16 inner chamber, edulcoration basket 22 has been placed at the top of backup pad 23, backup pad 23 and edulcoration basket 22 are the fretwork, the bottom of edulcoration well 16 inner chamber and the inner chamber intercommunication of initial rainwater abandon the flow well 17, so set up, when rainwater guide plate 12 is in the state to edulcoration well 16 slope, initial rainwater can flow into edulcoration basket 22 through rainwater guide plate 12 in, edulcoration basket 22 filters the impurity in the rainwater, the rainwater after the filtration enters into edulcoration well 16 and initial rainwater abandon the flow well 17.

The top of edulcoration well 16 inner chamber is equipped with well lid one 4, and edulcoration basket 22 is connected through first stay cord 10 with the bottom of well lid one 4, through the setting of first stay cord 10, and the staff of being convenient for gets puts edulcoration basket 22, the clearance of the interior impurity of edulcoration basket 22 of being convenient for.

The rainwater guide plate 12 is inclined, when the supporting frame 14 is positioned at the low end of the rainwater guide plate 12, the other end of the rainwater guide plate 12 is positioned in the initial rainwater discarding well 17, and when the supporting frame 14 is positioned at the high end of the rainwater guide plate 12, the rainwater guide plate 12 is in contact with the impurity removing basket 22.

As can be seen from the above description, when the drainage well is in use, the rainwater deflector 12 is inclined toward the impurity removal well 16 in the initial state, when rainfall starts, rainwater flows into the impurity removal well through the odor blocking plate and the rainwater deflector to remove impurities by filtration, filtered rainwater flows into the initial rainwater drainage well 17, when initial rainwater reaches a certain amount, the floating ball drives the rainwater deflector to incline toward the end of the later rainwater well, and rainwater flows into the later rainwater well. After the rainfall stops, the water collecting tank at the end of the rainwater well at the later stage of the guide plate is emptied (small hole leaks) and then the initial state is recovered.

All the electrical components related in the application are in the prior art, the connection mode is known to the person skilled in the art, all the electrical components in the application are connected with the power supply matched with the electrical components through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences are described below, the electrical connection is completed through the sequence of operation among the electrical components, the detailed connection means are known in the art, the working principle and the process are mainly described below, and the electrical control is not described.

To sum up: when the closed early-stage rainwater drainage well capable of automatically early warning is used, rainwater flows into the impurity removal well 16 through the peculiar smell baffle plate 11 and the rainwater guide plate 12 to be filtered and mixed, filtered water flows into the early-stage rainwater drainage well 17, the buoyancy ball 27 moves upwards along with the increase of the water quantity in the early-stage rainwater drainage well 17, the buoyancy ball 27 drives the push-pull rod 26 fixedly connected with the buoyancy ball 27 to move upwards when the buoyancy ball 27 moves upwards, the push-pull rod 26 pushes the rainwater guide plate 12 to rotate, the buoyancy ball 27 presses the push-down switch, the first electromagnet 28 and the second electromagnet are in an electrified state, the first electromagnet 28 is magnetically connected with the buoyancy ball 27, the position of the buoyancy ball 27 is fixed, the position of the rainwater guide plate 12 is kept unchanged, later-stage rainwater flows into the impurity collection frame 15 along the rainwater guide plate 12, the impurity collection frame 15 filters rainwater, the filtered later-stage rainwater is discharged through the later-stage rainwater drainage pipe, and the discharged later-stage rainwater reservoir can be introduced into a rainwater reservoir as a municipal water source or landscape water.

When no rainwater enters the rainwater well, the peculiar smell baffle 11 is reset under the action of the resilience force of the torsion spring 25, the angle sensor detects that the peculiar smell baffle 11 is in a horizontal state, the first electromagnet 28 and the second electromagnet repel each other, the buoyancy ball 27 moves downwards, and the buoyancy ball 27 drives the rainwater guide plate 12 to rotate through the push-pull rod 26, so that the rainwater guide plate 12 tilts towards the impurity removal well 16 again.

The combined use of the water level sensor and the angle sensor can improve the reliability of flood early warning while monitoring the running states of the rain inlet and the rain pipe network.

Standard parts used in the present utility model can be purchased from the market, the special-shaped parts can be customized according to the descriptions of the specification and the drawings, the specific connection modes of the parts are conventional means such as bolts, rivets, welding and the like which are mature in the prior art, and the machines, the parts and the equipment are conventional models in the prior art, so that details which are not described in detail in the specification belong to the prior art which is well known to the person skilled in the art, and although the embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a but closed initial rainwater of automatic early warning abandons class well, includes catch basin (1), its characterized in that: the top of the rainwater well (1) is provided with a closed rainwater grate, the top of the inner cavity of the rainwater well (1) is movably connected with a rainwater guide plate (12), the closed rainwater grate is positioned above the rainwater guide plate (12), one end of the rainwater guide plate (12) is fixedly connected with a supporting frame (14), an impurity collecting frame (15) is placed in the inner cavity of the supporting frame (14), the inner cavity of the bottom of the rainwater well (1) is divided into a later rainwater well (13), an initial rainwater discarding well (17) and an impurity removing well (16), and the supporting frame (14) is positioned at the top of the inner cavity of the later rainwater well (13);

the closed rainwater grate comprises a flat grate type rainwater inlet (2) and a vertical grate type rainwater inlet (3) which are fixedly connected with the top of the inner cavity of the rainwater well (1), four peculiar smell baffle plates (11) which are movably connected with the top of the inner cavity of the rainwater well (1) and a rainwater drainage plate (9) which is fixedly connected with the inner wall of the rainwater well (1); the rainwater drainage device is characterized in that two peculiar smell blocking plates (11) are arranged at the bottoms of the flat grate type rainwater inlet (2) and the vertical grate type rainwater inlet (3), one end, connected with the rainwater well (1), of each peculiar smell blocking plate (11) is fixedly connected with a torsion spring (25), the other end of each torsion spring (25) is fixedly connected with the rainwater well (1), an angle sensor (24) is arranged on one side of each peculiar smell blocking plate (11), and each rainwater drainage plate (9) is located below the corresponding vertical grate type rainwater inlet (3);

the device is characterized in that a limiting net pipe (18) is fixedly connected in the inner cavity of the initial rainwater drainage well (17), a buoyancy ball (27) is movably connected in the inner cavity of the limiting net pipe (18), the buoyancy ball (27) is connected with a rainwater guide plate (12) through a push-pull rod (26), one side of the bottom end of the initial rainwater drainage well (17) is fixedly connected with an initial rainwater drainage pipe (6), one end of the initial rainwater drainage pipe (6) is provided with a water level sensor (7), the other end of the initial rainwater drainage pipe (6) is clamped with a plug (21), and the plug (21) is connected with the buoyancy ball (27) through a second pull rope (19) and a spring (20); the top end of the inner cavity of the impurity removing well (16) is provided with an impurity removing basket (22).

2. The automatic early warning closed type initial rainwater drainage well according to claim 1, wherein: the tension of the torsion spring (25) on the peculiar smell baffle plates (11) connected with the torsion spring is the same as the gravity born by the peculiar smell baffle plates (11), and when the two peculiar smell baffle plates (11) below the flat grate type water inlet (2) or the vertical grate type water inlet (3) are in a horizontal state, the end parts of the two peculiar smell baffle plates (11) are in contact.

3. The automatic early warning closed type initial rainwater drainage well according to claim 1, wherein: the rainwater drainage plate (9) is inclined, the rainwater guide plate (12) is located below the lower end of the rainwater drainage plate (9), and the lower end of the rainwater drainage plate (9) is located below the peculiar smell baffle plate (11) below the flat grate type rainwater inlet (2).

4. The automatic early warning closed type initial rainwater drainage well according to claim 1, wherein: the rainwater guide plate (12) is inclined, when the supporting frame (14) is positioned at the low end of the rainwater guide plate (12), the other end of the rainwater guide plate (12) is positioned in the initial rainwater discarding well (17), and when the supporting frame (14) is positioned at the high end of the rainwater guide plate (12), the rainwater guide plate (12) is in contact with the impurity removing basket (22).

5. The automatic early warning closed type initial rainwater drainage well according to claim 1, wherein: the top of edulcoration well (16) inner chamber is equipped with well lid one (4), edulcoration basket (22) are connected through first stay cord (10) with the bottom of well lid one (4), the top fixedly connected with backup pad (23) of edulcoration well (16) inner chamber, backup pad (23) and edulcoration basket (22) are the fretwork, edulcoration basket (22) are placed on backup pad (23), the bottom of edulcoration well (16) inner chamber and the inner chamber intercommunication of initial stage rainwater abandon flow well (17).

6. The automatic early warning closed type initial rainwater drainage well according to claim 1, wherein: one side of later stage catch basin (13) bottom fixedly connected with later stage rainwater drain pipe (8), the top of later stage catch basin (13) inner chamber is equipped with well lid two (5).

7. The automatic early warning closed type initial rainwater drainage well according to claim 1, wherein: the top fixedly connected with first electro-magnet (28) of spacing network management (18) inner chamber, the intracavity fixedly connected with second electro-magnet of buoyancy ball (27), first electro-magnet (28) and second electro-magnet both have the same structure, and when letting in the current direction the same, first electro-magnet (28) and second electro-magnet ferromagnetism inhale mutually, the bottom of first electro-magnet (28) is equipped with push type switch.