CN111877495A

CN111877495A - Wisdom city underground garage drainage system

Info

Publication number: CN111877495A
Application number: CN202010806053.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Lu Kaiqun
Current assignee: Lu Kaiqun
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2020-11-03

Abstract

The invention discloses a drainage system of an underground garage of a smart city, which belongs to the field of drainage of underground garages and comprises a ground, wherein a first cavity is formed in the ground, a first through hole is formed in the top of the ground, the bottom of the first through hole is communicated with the first cavity, a bottom plate is connected to the inner surface of the first through hole in a sliding mode, a lifting device is started when the water level of the underground garage exceeds the height for monitoring the water level, the bottom plate is lifted upwards, accumulated water flows into the first cavity through the first through hole and a filtering device and then flows into a water outlet pipe from a hopper tank and enters a water storage tank through a water suction pump body and a one-way valve, the water in the water storage tank is poured back by the water suction pump body and the one-way valve, so that the water level of the underground garage can be drained in real time according to the precipitation amount, and vehicles in the underground garage can be lifted after the water level, the property safety of the user is greatly protected.

Description

Wisdom city underground garage drainage system

Technical Field

The invention relates to the field of underground warehouse-out drainage, in particular to a drainage system of an underground garage of a smart city.

Background

The smart city senses, analyzes and integrates various key information of a city operation core system by using information and communication technical means, and accordingly, the smart city can respond to various requirements including civil life, environmental protection, public safety, city service and industrial and commercial activities intelligently. The essence of the method is that advanced information technology is utilized to realize urban intelligent management and operation, so that a better life is created for people in the city, and the harmonious and sustainable growth of the city is promoted. With the continuous development of human society, cities will bear more and more populations in the future. At present, China is in the stage of accelerated development of urbanization, and the problem of urban diseases in partial areas is increasingly severe. In order to solve the urban development problem and realize urban sustainable development, the construction of smart cities becomes the irreversible historical trend of urban development in the world.

A large amount of water purifications easily in traditional underground garage of heavy rain weather, some districts can adopt external suction pump body to draw water, but draw water very inconvenient in the weather of heavy rain, rise to certain height when the water level moreover, the rainwater can cause the damage to the car in the underground garage.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a drainage system of an underground garage of a smart city.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A drainage system of an underground garage of a smart city comprises a ground, wherein a first cavity is formed in the ground, a first through hole is formed in the top of the ground, the bottom of the first through hole is communicated with the first cavity, a bottom plate is connected to the inner surface of the first through hole in a sliding mode, lifting devices are fixedly connected to four corners of the bottom plate, the bottom of each lifting device is fixedly connected with the bottom of the first cavity, filtering devices are fixedly connected to the periphery of the bottom plate, the surface of each filtering device is connected with the side wall of the first cavity in a sliding mode, a funnel groove is formed in the bottom of the inner surface of the first cavity, a water outlet pipe is connected to the bottom of the funnel groove in a flange mode, a water suction pump body is arranged in the water outlet pipe, a one-way valve is arranged in the water outlet pipe, a water storage pool is, the inside of stand is provided with water level monitoring device, the height that surpasss water level monitoring at underground garage's water level, elevating gear will start, upwards rise the bottom plate, then ponding can flow in first cavity through first through-hole and filter equipment, flow in the outlet pipe from the funnel groove again, get into the tank through suction pump body and check valve, the water that the tank was placed to suction pump body and check valve this moment pours backward, underground garage's water level can carry out real-time drainage according to the precipitation like this, underground garage's car can be raised after the water level reachd the take off height simultaneously, reduce the probability that the car was by the bubble, very big protection user's property safety.

Further, elevating gear includes support column, sleeve pipe, sealing layer and electric jar, the electric jar has been bolted to the bottom of sleeve pipe internal surface, and the bottom welding of sheathed tube bottom and first cavity internal surface, the top of electric jar is bolted to have connected the support column, and the surface of support column and sheathed tube internal surface slide, sheathed tube top fixedly connected with sealing layer, and the inner wall of sealing layer and the surface sliding connection of support column, can make progress the support column certain after the electric jar starts, and sleeve pipe and sealing layer avoid rainwater and electric jar contact this moment, and four elevating gear can guarantee the steady rebound of bottom plate simultaneously, avoid the car to shake at the in-process that removes and cause the car roll-off bottom plate to cause the damage.

Further, filter equipment includes the couple and filters the basket, the surperficial sliding connection of couple has the filtration basket, and the top of couple and the bottom welding of bottom plate, the surface of filtration basket and the surface of couple all scribble the antirust coat, the material of filtration basket is iron, the surface of filtration basket is the fretwork, and the filtration basket that the fretwork set up can filter the debris in the rainwater, avoids rubbish to block up the outlet pipe, and the couple makes things convenient for staff's later stage to take off and clear up the filtration basket simultaneously.

Further, the check valve includes spherical shell, steel ball, second through-hole and gag lever post, the outer wall of spherical shell and the internal surface bolt of outlet pipe, the internal surface sliding connection of spherical shell has the steel ball, open the both sides of spherical shell and all be equipped with the second through-hole, the right side welding of spherical shell has the gag lever post, and the gag lever post is placed the steel ball and is stopped up right second through-hole, makes the rainwater flow right smoothly, and when left second through-hole contacted with the steel ball, can prevent that the rainwater from flowing backward.

Furthermore, the diameter of the second through hole is smaller than the diameter of the steel ball by 1cm-3cm, the number of the limiting rods is three, the distance between the limiting rods is 1cm-2cm, the diameter of the second through hole is smaller than the diameter of the steel ball, the steel ball can only rotate inside the spherical shell, and meanwhile, the three limiting rods can effectively prevent rodents from entering the underground warehouse-out from the water outlet pipe.

Furthermore, the water level monitoring device comprises a box door, a handle, a second cavity, a water inlet tank, a filter box, an infrared sensor body and a control device, wherein the second cavity is formed in the stand column, the water inlet tank is formed in the stand column, the top of the water inlet tank is communicated with the second cavity, the box door is hinged to the left side door of the second cavity, the handle is welded on the surface of the box door, the infrared sensor body is bolted on the left side of the inner surface of the second cavity, the control device is bolted on the left side of the inner surface of the second cavity and is arranged above the infrared sensor body, the filter box is in threaded connection with the top of the inner wall of the water inlet tank, the water inlet tank is L-shaped, the box door and the handle facilitate workers to maintain and repair the device in the second cavity, and the water level in the tank can be guaranteed to be equal to the water level of the underground vehicle by the L-shaped water inlet tank, avoid artificially pouring water in the dislike intake chamber, can be to controlling means signals after infrared inductor body is sheltered from by the rainwater, controlling means controls the electrical apparatus of device, realizes the automation of device, and the rainwater gets into the in-process of second cavity from the intake chamber in addition, can filter through the filter box, can avoid rubbish to get into the second cavity, and the model of infrared inductor body is TSSP 4038.

Further, the filter cartridge includes cross piece, shell and filter layer, the top welding of shell has the cross piece, and the surface of shell and the inner wall threaded connection of intake chamber, the inside fixedly connected with filter layer of shell, the filter layer be the wire netting, the cross piece makes things convenient for staff's manual rotation filter cartridge, great reduction assembly degree of difficulty, and the wire netting can avoid rodent to get into the second cavity from the inlet tube simultaneously to influence the precision of infrared inductor body.

Furthermore, the control device comprises a single chip microcomputer body, a seal box, a storage battery pack, a wireless communicator body and a safety module, wherein the single chip microcomputer body, the safety module, the storage battery pack and the wireless communicator body are arranged in the seal box, the right side of the seal box is bolted with the inner wall of the second cavity, the single chip microcomputer body is electrically connected with the storage battery pack, the safety module and the wireless communicator body, the safety module comprises a relay, an overload protection circuit and a signal indicator lamp, the single chip microcomputer body is electrically connected with the relay, the overload protection circuit and the signal indicator lamp, the seal box prevents rainwater from entering the control device to influence the use of electric appliances, meanwhile, the wireless communicator body can feed back information in real time, the situation that the vehicle leaves a warehouse in a property connection place is facilitated, the storage battery pack can provide power for the control device, and the control device does not need an external power supply, can guarantee controlling means's leakproofness, safety module can provide the protection for controlling means, and the control device burns out when avoiding short circuit or transshipping, causes bigger output loss, and the signal indication lamp makes things convenient for the staff to look for the fault point fast, and the wireless communication ware body is Lora network communicator, and installs the antenna on the wireless communication ware body, and the model of singlechip body is STC89C 52.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is at the height that the water level in underground garage surpassed the water level monitoring, elevating gear will start, upwards rise the bottom plate, then ponding can flow in first cavity through first through-hole and filter equipment, flow into the outlet pipe from the funnel groove again, get into the tank through suction pump body and check valve, the water that the tank was placed to suction pump body and check valve this moment pours backward, underground garage's water level can carry out real-time drainage according to the precipitation like this, the car that underground garage was arrived to the water level after the take off height simultaneously can be raised, reduce the probability that the car was by the bubble, very big protection user's property safety.

(2) Can make progress certainly with the support column after the electric jar starts, rainwater and electric jar contact are avoided with the sealing layer to the sleeve pipe this moment, and four elevating gear can guarantee the steady rebound of bottom plate simultaneously, avoid the car to take place to shake at the in-process that removes and cause the car roll-off bottom plate to cause the damage.

(3) The filtration basket that the fretwork set up can filter the debris in the rainwater, avoids rubbish to block up the outlet pipe, and the couple makes things convenient for the staff later stage to take off and clear up the filtration basket simultaneously.

(4) The limiting rod is placed with a steel ball to block the right second through hole, so that rainwater flows rightwards smoothly, and meanwhile, when the left second through hole is in contact with the steel ball, the rainwater can be prevented from flowing backwards.

(5) The diameter of the second through hole is smaller than that of the steel ball, the steel ball can only rotate inside the spherical shell, and meanwhile, the three limiting rods can effectively prevent rodents from entering the underground warehouse from the water outlet pipe.

(6) Chamber door and handle make things convenient for the staff to maintain and maintain the inside device of second cavity, the intake chamber of L type can guarantee that the water level of inslot is equal to the water level of underground car, avoid artificially pouring in the dislike intake chamber, can be to controlling means signals after infrared inductor body is sheltered from by the rainwater, controlling means controls with electrical apparatus the device, realize the automation of device, and the rainwater gets into the in-process of second cavity from the intake chamber, can filter through the filter box, can avoid rubbish to get into the second cavity, the model of infrared inductor body is TSSP 4038.

(7) The cross piece makes things convenient for staff's manual rotation filter cartridge, great reduction assembly degree of difficulty, and the wire netting can avoid rodent to get into the second cavity from the inlet tube simultaneously to influence the precision of infrared inductor body.

(8) Inside the seal box avoided the rainwater to enter into controlling means, influence the use with electrical apparatus, wireless communicator body can go out information feedback in real time simultaneously, be convenient for the condition that property connection ground car is gone out of the warehouse, storage battery can position controlling means provides the power, controlling means need not external power supply like this, controlling means's leakproofness can be guaranteed, safety module can provide the protection for controlling means, controlling means burns out when avoiding short circuit or transshipping, cause bigger output loss, signal indicator makes things convenient for the staff to seek the fault point fast, wireless communicator body is the Lora network communicator, and install the antenna on the wireless communicator body, the model of singlechip body is STC89C 52.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a perspective view of the water level monitoring device according to the present invention;

FIG. 3 is a schematic cross-sectional view of the lifting device of the present invention;

FIG. 4 is a perspective view of a filter assembly according to the present invention;

FIG. 5 is a schematic diagram of a circuit connection module of the control device according to the present invention;

fig. 6 is a schematic diagram of a circuit connection module of the security module of the present invention.

The reference numbers in the figures illustrate:

1. a ground surface; 2. a first cavity; 3. a lifting device; 301. a sleeve; 302. an electric cylinder; 303. a sealing layer; 304. a support pillar; 4. a funnel groove; 5. a water pump body; 6. a water outlet pipe; 7. a one-way valve; 701. a spherical shell; 702. a steel ball; 703. a limiting rod; 704. a second through hole; 8. a water storage tank; 9. a filtration device; 901. hooking; 902. a filter basket; 10. a first through hole; 11. a base plate; 12. a water level monitoring device; 1201. a water inlet groove; 1202. a handle; 1203. a box door; 1204. a second cavity; 1205. a filter cartridge; 120501, a housing; 120502, a filter layer; 120503, a cross block; 1206. an infrared sensor body; 1207. a control device; 120701, a wireless communicator body; 120702, a single chip microcomputer body; 120703, battery pack; 120704, a security module; 12070401, a relay; 12070402, overload protection circuit; 12070403, signal indicator light; 13. and (4) a column.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, a smart city underground garage drainage system comprises a ground 1, a first cavity 2 is formed inside the ground 1, a first through hole 10 is formed at the top of the ground 1, the bottom of the first through hole 10 is communicated with the first cavity 2, a bottom plate 11 is connected to the inner surface of the first through hole 10 in a sliding manner, lifting devices 3 are fixedly connected to four corners of the bottom plate 11, the bottom of each lifting device 3 is fixedly connected with the bottom of the first cavity 2, a filtering device 9 is fixedly connected to the periphery of the bottom plate 11, the surface of each filtering device 9 is connected with the side wall of the first cavity 2 in a sliding manner, a funnel groove 4 is formed at the bottom of the inner surface of the first cavity 2, a water outlet pipe 6 is connected to the bottom of the funnel groove 4 in a flange manner, a water suction pump body 5 is arranged inside the water outlet pipe 6, a one-way valve 7 is, the top fixedly connected with stand 13 of ground 1, the inside of stand 13 is provided with water level monitoring device 12, the water level in underground garage exceeds the height of water level monitoring, elevating gear 3 will start, upwards rise bottom plate 11, then ponding can flow into first cavity 2 through first through-hole 10 and filter equipment 9, flow into outlet pipe 6 from funnel groove 4 again, get into tank 8 through suction pump body 5 and check valve 7, the water in tank 8 is placed to suction pump body 5 and check valve 7 this moment and flows backward, underground garage's water level can carry out real-time drainage according to the precipitation like this, the car that underground garage can be raised after the water level reachd the take the altitude simultaneously, reduce the probability that the car was soaked by the water, very big protection user's property safety.

Referring to fig. 3, each lifting device 3 includes a support column 304, a sleeve 301, a sealing layer 303 and an electric cylinder 302, the electric cylinder 302 is bolted to the bottom of the inner surface of the sleeve 301, the bottom of the sleeve 301 is welded to the bottom of the inner surface of the first cavity 2, the support column 304 is bolted to the top of the electric cylinder 302, the surface of the support column 304 slides on the inner surface of the sleeve 301, the sealing layer 303 is fixedly connected to the top of the sleeve 301, the inner wall of the sealing layer 303 is slidably connected to the surface of the support column 304, the support column 304 can be fixed upward after the electric cylinder 302 is started, at this time, the sleeve 301 and the sealing layer 303 prevent rainwater from contacting the electric cylinder 302, and meanwhile, the four lifting devices 3 can ensure that the bottom plate 11 stably moves upward, and damage caused by the fact that an.

Please refer to fig. 4, the filtering apparatus 9 includes a hook 901 and a filtering basket 902, the surface of the hook 901 is slidably connected with the filtering basket 902, and the top of the hook 901 is welded with the bottom of the bottom plate 11, the surface of the filtering basket 902 and the surface of the hook 901 are both coated with an anti-rust layer, the material of the filtering basket 902 is iron, the surface of the filtering basket 902 is hollow, the filtering basket 902 arranged in the hollow can filter the sundries in the rainwater, the water outlet pipe 6 is prevented from being blocked by the garbage, and meanwhile, the hook 901 facilitates the later period of the worker to take down and clean the filtering basket 902.

Referring to fig. 1, the check valve 7 includes a ball housing 701, a steel ball 702, a second through hole 704 and a limiting rod 703, the outer wall of the ball housing 701 is bolted to the inner surface of the water outlet pipe 6, the steel ball 702 is slidably connected to the inner surface of the ball housing 701, the second through hole 704 is disposed on both sides of the ball housing 701, the limiting rod 703 is welded on the right side of the ball housing 701, the limiting rod 703 is placed on the steel ball 702 to block the right second through hole 704, so that rainwater can smoothly flow to the right, and when the left second through hole 704 contacts with the steel ball 702, rainwater can be prevented from flowing backward.

Referring to fig. 1, the diameter of the second through hole 704 is smaller than the diameter of the steel ball 702 by 1cm to 3cm, the number of the limiting rods 703 is three, the distance between the limiting rods 703 is 1cm to 2cm, and the diameter of the second through hole 704 is smaller than the diameter of the steel ball 702, so that the steel ball 702 can only rotate inside the spherical shell 701, and meanwhile, the three limiting rods 703 can effectively prevent rodents from entering the underground warehouse-out from the water outlet pipe 6.

Referring to fig. 2, 5 and 6, the water level monitoring device 12 includes a box door 1203, a handle 1202, a second cavity 1204, a water inlet tank 1201, a filter box 1205, an infrared sensor body 1206 and a control device 1207, the second cavity 1204 is opened inside the upright column 13, the water inlet tank 1201 is opened inside the upright column 13, the top of the water inlet tank 1201 is communicated with the second cavity 1204, the left side door of the second cavity 1204 is hinged with the box door 1203, the handle 1202 is welded on the surface of the box door 1203, the infrared sensor body 1206 is bolted on the left side of the inner surface of the second cavity 1204, the control device 1207 is arranged above the infrared sensor body 1206, the filter box 1205 is screwed on the top of the inner wall of the water inlet tank 1201, the water inlet tank 1201 is in an L shape, and the box door 1203 and the handle 1202 facilitate maintenance and workers to the devices inside the second cavity 1204, the intake chamber 1201 of L type can guarantee that the water level of inslot is equal with the water level of underground car, avoid artificially pouring in the intention intake chamber 1201, can be to controlling means 1207 signals after infrared inductor body 1206 is sheltered from by the rainwater, controlling means 1207 is controlled with electrical apparatus of device, realize the automation of device, and the rainwater gets into the in-process of second cavity 1204 from intake chamber 1201, can filter through filter box 1205, can avoid rubbish to get into second cavity 1204, the model of infrared inductor body 1206 is TSSP 4038.

Please refer to fig. 2, the filter cartridge 1205 includes cross block 120503, shell 120501 and filter layer 120502, the top welding of shell 120501 has cross block 120503, and the surface of shell 120501 and the inner wall threaded connection of intake chamber 1201, the inside fixedly connected with filter layer 120502 of shell 120501, filter layer 120502 be the wire netting, cross block 120503 makes things convenient for staff's manual rotatory filter cartridge 1205, great reduction assembly difficulty, the wire netting can avoid rodent to get into second cavity 1204 from the inlet tube simultaneously, thereby influence the precision of infrared inductor body 1206.

Referring to fig. 5-6, the control device 1207 includes a single chip microcomputer 120702, a sealed box, a battery pack 120703, a wireless communicator 120701 and a safety module 120704, the single chip microcomputer 120702, the safety module 120704, the battery pack 120703 and the wireless communicator 120701 are disposed inside the sealed box, the right side of the sealed box is bolted to the inner wall of the second cavity 1204, the single chip microcomputer 120702 is electrically connected to the battery pack 120703, the safety module 120704 and the wireless communicator 120701, the safety module 120704 includes a relay 12070401, an overload protection circuit 12070402 and a signal indicator 12070403, the single chip microcomputer 120702 is electrically connected to the relay 12070401, the overload protection circuit 12070402 and the signal indicator 12070403, the sealed box prevents rainwater from entering the control device 1207 to affect the use of the electric appliances, and the wireless communicator 120701 can feed back information in real time, thereby facilitating the delivery of the vehicles connected to the property, storage battery 120703 can position controlling means 1207 and provide the power, controlling means 1207 need not external power supply like this, can guarantee controlling means 1207's leakproofness, safety module 120704 can provide the protection for controlling means 1207, avoid short circuit or overload time controlling means 1207 to burn out, cause bigger output loss, signal indicator 12070403 makes things convenient for the staff to look for the fault point fast, wireless communicator body 120701 is the Lora network communicator, and install the antenna on the wireless communicator body 120701, singlechip body 120702's model is STC89C 52.

In the invention, when rainwater flows back into the underground garage in stormy weather, the rainwater in the underground garage moves upwards from the water inlet channel 1201, firstly contacts with the filter box 1205, garbage contained in the rainwater is blocked below the filter box 1205 by the filter layer 120502, then the rainwater continues to move upwards, the infrared sensor body 1206 is blocked, at the moment, infrared rays send signals to the control device 1207, the single chip microcomputer body 120702 sends the signals out through the wireless communicator body 120701, then the single chip microcomputer body 120702 controls the electric cylinder 302 to start, at the moment, the storage battery set 120703 provides electricity for the control device 1207, the safety module 120704 avoids the control device 1207 from breaking down, when the electric cylinder 302 extends upwards, the support column 304 and the bottom plate 11 synchronously move upwards in the direction of the sleeve 301, then the sealing layer 303 avoids the rainwater from entering the sleeve 301 to influence the normal operation of the electric cylinder 302, at the moment, the rainwater flows downwards from the first through hole 10, the rainwater can flow down from filtering basket 902's gap, filtering basket 902 is to the rubbish of rainwater parcel, filter down, when the staff need clear up filtering basket 902, manual with filtering basket 902 and couple 901 separation, just so can take off filtering basket 902, then the rainwater continues to fall to the bottom of first cavity 2, then flow into outlet pipe 6 from hopper groove 4, singlechip body 120702 control water pump body 5 starts this moment, the discharge of rainwater is accelerated to water pump body 5, the rainwater is to having the removal from the direction of outlet pipe 6, when through check valve 7, the rainwater promotes steel ball 702 right, steel ball 702 and gag lever post 703 contact, steel ball 702 leaves the space with the inside of spherical shell 701 this moment, make things convenient for the rainwater to pass through, then the rainwater can flow into reservoir 8.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a wisdom city underground garage drainage system, includes ground (1), its characterized in that: the water pump is characterized in that a first cavity (2) is formed in the ground (1), a first through hole (10) is formed in the top of the ground (1), the bottom of the first through hole (10) is communicated with the first cavity (2), a bottom plate (11) is connected to the inner surface of the first through hole (10) in a sliding mode, lifting devices (3) are fixedly connected to four corners of the bottom plate (11), the bottom of each lifting device (3) is fixedly connected with the bottom of the first cavity (2), filtering devices (9) are fixedly connected to the periphery of the bottom plate (11), the surface of each filtering device (9) is connected with the side wall of the first cavity (2) in a sliding mode, a funnel groove (4) is formed in the bottom of the inner surface of the first cavity (2), a water outlet pipe (6) is connected to the bottom of the funnel groove (4) in a flange mode, a water suction pump body (5, the inside of outlet pipe (6) is provided with check valve (7), the output flange joint of outlet pipe (6) has tank (8), the top fixedly connected with stand (13) on ground (1), the inside of stand (13) is provided with water level monitoring device (12).

2. The smart city underground garage drainage system of claim 1, wherein: elevating gear (3) are including support column (304), sleeve pipe (301), sealing layer (303) and electric jar (302), electric jar (302) have been bolted to the bottom of sleeve pipe (301) internal surface, and the bottom of sleeve pipe (301) and the bottom welding of first cavity (2) internal surface, support column (304) have been bolted to the top of electric jar (302), and the surface of support column (304) and the internal surface slip of sleeve pipe (301), the top fixedly connected with sealing layer (303) of sleeve pipe (301), and the inner wall of sealing layer (303) and the surface sliding connection of support column (304).

3. The smart city underground garage drainage system of claim 1, wherein: the filtering device (9) comprises a hook (901) and a filtering basket (902), the surface of the hook (901) is connected with the filtering basket (902) in a sliding mode, the top of the hook (901) is welded with the bottom of the base plate (11), the surface of the filtering basket (902) and the surface of the hook (901) are coated with an anti-rust layer, the filtering basket (902) is made of iron, and the surface of the filtering basket (902) is hollowed out.

4. The smart city underground garage drainage system of claim 1, wherein: the check valve (7) comprises a spherical shell (701), a steel ball (702), a second through hole (704) and a limiting rod (703), the outer wall of the spherical shell (701) is bolted with the inner surface of the water outlet pipe (6), the inner surface of the spherical shell (701) is connected with the steel ball (702) in a sliding mode, the second through hole (704) is formed in each of two sides of the spherical shell (701), and the limiting rod (703) is welded on the right side of the spherical shell (701).

5. The smart city underground garage drainage system of claim 4, wherein: the diameter of the second through holes (704) is smaller than that of the steel balls (702) by 1cm-3cm, the number of the limiting rods (703) is three, and the distance between the limiting rods (703) is 1cm-2 cm.

6. The smart city underground garage drainage system of claim 1, wherein: the water level monitoring device (12) comprises a box door (1203), a handle (1202), a second cavity (1204), a water inlet tank (1201), a filter box (1205), an infrared sensor body (1206) and a control device (1207), wherein the second cavity (1204) is formed in the upright post (13), the water inlet tank (1201) is formed in the upright post (13), the top of the water inlet tank (1201) is communicated with the second cavity (1204), the box door (1203) is hinged to the left side door of the second cavity (1204), the handle (1202) is welded on the surface of the box door (1203), the infrared sensor body (1206) is bolted to the left side of the inner surface of the second cavity (1204), the control device (1207) is arranged above the infrared sensor body (1206), the filter box (1205) is in threaded connection with the top of the inner wall of the water inlet tank (1201), the water inlet groove (1201) is L-shaped.

7. The smart city underground garage drainage system of claim 6, wherein: filter cartridge (1205) includes cross piece (120503), shell (120501) and filter layer (120502), the top welding of shell (120501) has cross piece (120503), and the surface of shell (120501) and the inner wall threaded connection of intake antrum (1201), the inside fixedly connected with filter layer (120502) of shell (120501), what filter layer (120502) was the wire netting.

8. The smart city underground garage drainage system of claim 6, wherein: control device (1207) includes singlechip body (120702), seal box, storage battery (120703), wireless communicator body (120701) and safety module (120704), seal box inside is provided with singlechip body (120702), safety module (120704), storage battery (120703) and wireless communicator body (120701), and the right side of seal box and the inner wall bolt of second cavity (1204), singlechip body (120702) and storage battery (120703), safety module (120704) and wireless communicator body (120701) all electric connection, safety module (120704) includes relay (12070401), overload protection circuit (12070402) and signal indicator lamp (12070403), and singlechip body (120702) and relay (12070401), overload protection circuit (12070402) and signal indicator lamp (12070403) all electric connection.