CN215948264U - Prevent hand hole well of ponding - Google Patents

Abstract

The utility model provides a prevent hand hole well of ponding relates to hand hole well technical field, can solve hand hole well ponding problem. Including the well body, the bottom of the well body is provided with from penetrant unit, well body below is provided with first calandria, the bottom surface of the well body with first calandria intercommunication, first calandria with be located near the well body greenbelt, building body water purification system or city drainage pipe network intercommunication. This disclosed well is internal ponding through getting into first drain pipe from penetrant unit, first drain pipe is arranged ponding to greenbelt, building body water purification system or municipal drainage pipe network on every side to guarantee that the well is internal to have no ponding, effectively avoided cable and power to be soaked.

Description

Prevent hand hole well of ponding

Technical Field

The utility model relates to a hand hole well field especially relates to a prevent hand hole well of ponding.

Background

The well which can not enter people and can only extend hands is called a hand-hole well, the hand-hole well is convenient to thread when hidden laying, the conventional size of the hand-hole well is below 400mmx700mmx700mm, and the hand-hole well is mainly of a cement brick structure. At present, a resin-concrete hand hole well exists, and the weight of the resin-concrete hand hole well is light compared with that of a cement brick structure hand hole well.

The hand hole well is provided with a cover which can be opened, and provides convenience for the installation and the use of equipment such as outdoor pipeline laying, valve switches and the like of water heating ventilation and the like. The hand can pull, connect or operate the hand hole well by opening the cover.

In rainy season, rainwater enters the existing hand hole well and cannot be discharged, and when rainwater is accumulated to reach a certain height, cables and power supply equipment in the hand hole well can be soaked in water, so that the cables and the power supply equipment are short-circuited, and even the power supply equipment is corroded and damaged seriously.

In view of the above, there is a need to develop a hand hole well for preventing water accumulation to solve the problem of water accumulation in the hand hole.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a hand hole well capable of preventing water accumulation, which has an automatic drainage function and prevents rainwater from accumulating in the hand hole well.

In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:

the utility model provides a prevent hand hole well of ponding, includes the well body, the bottom of the well body is provided with from penetrant unit, well body below is provided with first calandria, the bottom surface of the well body with first calandria intercommunication, first calandria with be located near the well body greenbelt, building body water purification system or city drainage pipe network intercommunication.

In one possible implementation, the self-infiltration apparatus includes: the filter unit is close to the bottom of the well body and fixedly arranged on the peripheral wall of the well body, and the collection chamber is used for collecting accumulated water in the well body and is formed by enclosing the filter unit, the bottom surface of the well body and the side surface of the well body;

the collection chamber is located below the filtration unit; the first water drainage pipe is located collect the room below, collect the room with the feed liquor end intercommunication of first water drainage pipe.

In one possible implementation manner, the filtering unit comprises a filtering net and a quartz sand filtering layer, and the quartz sand filtering layer is positioned below the filtering net;

the side wall of the well body is provided with a first support frame and a second support frame, the second support frame is positioned below the first support frame, and the filter screen is detachably connected with the first support frame; the quartz sand filter layer is connected with the second support frame.

In a possible implementation manner, a water pumping device and a second water drainage pipe are further arranged inside the well body, and the liquid level monitoring device and the water pumping device are both located above the self-permeation device;

the liquid inlet end of the second drain pipe penetrates through the side wall of the well body and is connected with the inside of the well body, and the liquid outlet section of the second drain pipe is communicated with a green belt, a building water purification system or a municipal drainage pipe network which are positioned near the well body;

the water pumping device is communicated with the second water drainage pipe, and the water pumping device discharges the accumulated water in the well body into the second water drainage pipe.

In a possible implementation manner, a liquid level monitoring device is further arranged inside the well body, and the liquid level monitoring device is further connected with a controller;

the controller with the liquid level monitoring device with pumping device all connects, the liquid level monitoring device to the controller sends the ponding data in the well body, the controller judges and controls pumping device's operating condition according to the ponding data.

In one possible implementation, the liquid level detection device includes: the liquid level transmitting sensor is connected with the controller through the shielding cable;

the liquid level transmitting sensor is positioned below the junction box.

In one possible implementation manner, the water pumping device comprises a water pumping pipe, a water pumping pump, a rotating shaft and a water pumping blade;

the drinking-water pipe with the second drain pipe intercommunication, the axis of rotation set firmly in the drive end of suction pump, the blade of drawing water set firmly in the tip of axis of rotation, the blade of drawing water with the suction pump is taken ponding extremely the drinking-water pipe.

In a possible implementation manner, the water inlet end of the water pumping pipe is provided with a filter screen.

In the present disclosure, at least the following technical effects or advantages are provided:

1. this disclosed well is internal ponding through getting into first drain pipe from penetrant unit, first drain pipe is arranged ponding to greenbelt, building body water purification system or municipal drainage pipe network on every side to guarantee that the well is internal to have no ponding, effectively avoided cable and power to be soaked.

2. The filter unit disclosed by the utility model collects the accumulated water in the water collecting chamber after filtering the accumulated water in the well body, and filtered water in the water collecting chamber is discharged through the first drainage pipeline; the purpose of this disclosure's setting up filter unit is to prevent that impurity from blockking up first drain pipe in the ponding.

3. The filter screen and the quartz sand filter layer filter accumulated water, the filtered accumulated water enters the collection chamber and is discharged to a green belt, a building water purification system or a municipal drainage pipe network around the hand hole well through the first drainage pipe, and the well body is prevented from being soaked by the accumulated water; in addition, the accumulated water can not form dead water in the well body to generate harmful gas.

4. The quick detachable joint structure of setting to between this disclosed filter screen and the first support frame can regularly clear up filter screen and quartz sand filter layer, effectively prevents that the rubbish or the magazine that amalgamate in the ponding from rotting in the well body and producing the foul smell.

5. This open hand hole well ponding is when less, through discharging ponding to first drain pipe from penetrant unit, first drain pipe is arranged ponding to greenbelt, building body water purification system or municipal drainage pipe network on every side. When the accumulated water in the hand hole well reaches a set water level, the water pumping device is started to pump the accumulated water into the second drainage pipe, meanwhile, the accumulated water is drained to the first drainage pipe through the self-permeation device, and the first drainage pipe and the second drainage pipe jointly drain the accumulated water to a surrounding green belt, a building water purification system or a city drainage pipe network; the accumulated water can be used for flower and grass irrigation or building cleaning, the accumulated water utilization rate can be improved, rainwater accumulation in the well can be prevented, and damage to cables and power supply equipment is avoided.

6. This openly when hand hole well ponding reaches when setting for the water level, liquid level detection device reaches the signal transmission who sets for the water level with ponding and gives the controller, and the controller gives a start signal of pumping device, starts pumping device and takes out ponding to the second drain pipe in, has realized automatic drainage through the controller.

7. When raining, the height of the water level in the well body reaches an upper limit value, a pressure signal is converted into an electric signal through a liquid level transmitting sensor of a liquid level detection device, a controller controls a relay of a water pumping device to contact, and a water pumping pump of the water pumping device is started; when the water level in the well body is reduced to a lower limit value, the pressure signal is converted into an electric signal through the liquid level transmitting sensor, the controller controls the relay of the water pumping device to be disconnected, and the water pumping pump of the water pumping device stops working.

8. When rain reaches the upper limit value of the water level, the controller starts the motor of the water suction pump, so that the motor drives the water suction blade to rotate, the well volume water is pumped to the water suction pipe, the water suction pipe is communicated with the second drain pipe, the water suction blade pumps the water to the second drain pipe, and the second drain pipe discharges the accumulated water out of the well body; the motor of this open suction pump is close to well body lateral wall setting, effectively prevents to set up cable and equipment in the well body and causes the influence.

9. A sealing plate is arranged between the water pumping pipe and the motor and between the water pumping pipe and the pipeline, and a rotating shaft is rotatably connected to the sealing plate; when the water suction pump and the water suction blades work, the sealing plate can effectively prevent rainwater from entering a motor of the water suction pump, so that the motor is influenced; in addition, when pumping water, the sealing plate can effectively block accumulated water at the position of the water pumping pipe, and the accumulated water is controlled to be discharged through the second water discharging pipe, so that the water discharging efficiency is indirectly improved.

10. When ponding gets into the internal portion of well through well lid and well body gap, inevitable can bring into the well with partly rubbish or impurity in vivo, the setting up of filter screen can effectively prevent to draw water the blade and bring impurity and rubbish into the drinking-water pipe at the during operation, avoids causing the jam to drinking-water pipe and second drain pipe etc..

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of an overall structure of a water accumulation prevention hand hole well provided according to an embodiment of the disclosure;

FIG. 2 is a schematic cross-sectional view of a hand hole with water accumulation prevention according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of an automatic water pumping control system provided in accordance with an embodiment of the present disclosure;

reference numerals: 1-a well body; 11-an equipment bin; 111-isolation plate between equipment bin and well body; 12-cable access; 13-a side wall; 14-a bottom surface; 2-a self-permeation device; 21-a filter screen; 22-a first support frame; 23-quartz sand filter layer; 24-a second support; 25-a collection chamber; 3-a first drain pipe; 4, a water pumping device; 41-a water pumping pipe; 42-a water pump; 43-rotating shaft; 44-pumping blades; 45-filtering with a filter screen; 46-a sealing plate; 47-sealing ring; 5-a second drain pipe; 6-liquid level monitoring device; 61-liquid level transmitting sensor; 62-a junction box; 63-shielded cables; 7-a controller; 8-well lid.

Detailed Description

The present disclosure is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present disclosure, and those skilled in the art should understand that the functional, methodological, or structural equivalents of these embodiments or substitutions may be included in the scope of the present disclosure.

In the description of the embodiments of the present disclosure, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the utility model, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; 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 meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1, an embodiment of the present disclosure provides a hand hole well for preventing water accumulation, including a well body 1, a cable inlet and outlet 12 is provided in the well body 1, a self-permeation device 2 is provided at the bottom of the well body 1, a first drainage pipe 3 is provided below the well body 1, a bottom surface 14 of the well body 1 is communicated with the first drainage pipe 3, and the first drainage pipe 3 is communicated with a green belt, a building water purification system or a city drainage pipe network near the well body 1. Referring to fig. 1 and 2, in the embodiment of the present disclosure, a well lid 8 is disposed at an upper opening of a well body 1, and an opening is disposed on the well lid 8, or the well lid 8 is a breathable net.

The rainwater passes through well lid 8 or well lid 8 and well body 1 gap entering well body 1, and this disclosed well body 1 internal ponding is through getting into first drain pipe 3 from penetrant unit 2, and first drain pipe 3 is arranged ponding to greenbelt, building body water purification system or municipal drainage pipe network on every side to guarantee that there is not ponding in the well body 1, effectively avoided cable and power to be soaked.

Referring to fig. 2, the self-infiltration apparatus 2 includes: the filter unit is close to the bottom of the well body 1 and fixedly arranged on the peripheral wall of the well body 1, and the collecting chamber 25 is used for collecting accumulated water in the well body 1, wherein the collecting chamber 25 is formed by enclosing the filter unit, the bottom surface 14 of the well body 1 and the side surface of the well body 1; the collection chamber 25 is located below the filtration unit; the first drain pipe 3 is positioned below the collection chamber 25, and the collection chamber 25 is communicated with the liquid inlet end of the first drain pipe 3.

The filtering unit of the embodiment of the present disclosure filters the water accumulated in the well body 1 and then collects the filtered water in the collecting chamber 25, and the filtered water in the collecting chamber 25 is discharged through the first water discharge pipe 3. The purpose of the disclosed embodiment to provide a filter unit is to prevent impurities in the standing water from clogging the first drain pipe 3.

With reference to fig. 2, the filter unit includes a filter screen 21 and a quartz sand filter layer 23, wherein the quartz sand filter layer 23 is located below the filter screen 21; the side wall 13 of the well body 1 is provided with a first support frame 22 and a second support frame 24, the second support frame 24 is positioned below the first support frame 22, and the filter screen 21 is detachably connected with the first support frame 22; the quartz sand filter layer 23 is connected with the second support frame 24.

The filter screen 21 and the quartz sand filter layer 23 of the embodiment of the disclosure filter accumulated water, the filtered accumulated water enters the collecting chamber 25 and is discharged to a green belt, a building water purification system or a city drainage pipe network around the hand hole well through the first drainage pipe 3, and the well body 1 is guaranteed not to be soaked by the accumulated water. In addition, the accumulated water can not form dead water in the well body 1 to generate harmful gas.

The quick detachable joint structure that sets up between filter screen 21 of this disclosed embodiment and first support frame 22 can regularly clear up filter screen 21 and quartz sand filter layer 23, effectively prevents that the rubbish or the magazine that the ponding adulterates from rotting in well body 1 and falling and producing the foul smell.

With reference to fig. 2, in the embodiment of the present disclosure, a water pumping device 4 and a second water discharging pipe 5 are further disposed inside the well body 1, and the liquid level monitoring device 6 and the water pumping device 4 are both located above the self-permeation device 2; the liquid inlet end of the second drain pipe 5 penetrates through the side wall 13 of the well body 1 and is connected with the inside of the well body 1, and the liquid outlet section of the second drain pipe 5 is communicated with a green belt, a building water purification system or a municipal drainage pipe network which are positioned near the well body 1; the water pumping device 4 is communicated with the second water drainage pipe 5, and the water pumping device 4 drains the accumulated water in the well body 1 into the second water drainage pipe 5.

When this disclosed embodiment's hand hole well ponding is less, through discharging ponding to first drain pipe 3 from penetrant unit 2, first drain pipe 3 discharges ponding to greenbelt, building body water purification system or municipal drainage pipe network around. When ponding reaches when setting for the water level in the hand hole well, start pumping device 4 and take out ponding to second drain pipe 5 in, meanwhile, through discharging ponding to first drain pipe 3 from penetrant unit 2, first drain pipe 3 and second drain pipe 5 discharge ponding to greenbelt, building body water purification system or city drainage pipe network on every side jointly. The accumulated water can be used for flower and grass irrigation or building cleaning, the accumulated water utilization rate can be improved, rainwater accumulation in the well can be prevented, and damage to cables and power supply equipment is avoided.

With reference to fig. 2, in the embodiment of the present disclosure, a liquid level monitoring device 6 is further disposed inside the well body 1, and the liquid level monitoring device 6 is further connected to a controller 7; the controller 7 is connected with the liquid level monitoring device 6 and the water pumping device 4, the liquid level monitoring device 6 sends accumulated water data in the well body 1 to the controller 7, and the controller 7 judges and controls the working state of the water pumping device 4 according to the accumulated water data.

This disclosed embodiment when ponding reaches when setting for the water level in the hand hole well, liquid level detection device reaches the signal transmission who sets for the water level with ponding and gives controller 7, and 4 start signals of water pumping device are given to controller 7, start water pumping device 4 and take out ponding to second drain pipe 5 in, realized automatic drainage through controller 7. Referring to fig. 3, in the embodiment of the present disclosure, the controller 7 gives an activation signal to the pump of the water pumping device 4, and the pump is activated to pump the accumulated water to the second water discharging pipe 5.

Referring to fig. 2, the liquid level detecting apparatus includes: the device comprises a liquid level transmission sensor 61, a junction box 62 and a shielding cable 63, wherein the junction box 62 is fixedly arranged inside the well body 1 close to the top of the well body 1, a controller 7 is fixedly arranged beside the junction box 62, and the controller 7 is connected with the liquid level transmission sensor 61 through the shielding cable 63; the liquid level transmission sensor 61 is located below the junction box 62.

When raining, the height of the water level in the well body 1 reaches the upper limit value, the liquid level transmission sensor 61 of the liquid level detection device converts the pressure signal into an electric signal, the controller 7 controls the relay of the water pumping device 4 to contact, and the water pumping pump 42 of the water pumping device 4 is started. When the water level in the well body 1 is reduced to the lower limit value, the pressure signal is converted into an electric signal through the liquid level transmission sensor 61, the controller 7 controls the relay of the water pumping device 4 to be disconnected, and the water pumping pump 42 of the water pumping device 4 stops working.

Referring to fig. 3, in the embodiment of the disclosure, the liquid level sensor 61 is connected to the shielding cable 63, the shielding cable 63 is connected to the controller 7 in the junction box 62, and the junction box 62 protects the connection head of the shielding cable 63 and the controller 7 from the accumulated water. The start and stop of the pump is controlled by the controller 7. The start and stop of the pump correspond to the pull-in or the disconnection of the contactor. Referring to fig. 3, when the accumulated water in the well 1 reaches AH, the controller 7 controls the contactor to operate, the motor (water pump 42) is started, and the water pumping device 4 pumps water. When accumulated water in the well body 1 reaches AL, the controller 7 controls the contactor to act, the motor (the water suction pump 42) correspondingly acts, and the water suction device 4 changes the working state.

It should be noted that the operation state of the water pumping device 4 according to the embodiment of the present disclosure may be changed from the water pumping state to the stopped state by the water pumping device 4, or may be changed from the stopped state to the water pumping state by the water pumping device 4. Specifically, when the accumulated water crosses the AL, the controller 7 controls the water pumping device 4 to change from the stopped state to the water pumping state. When the accumulated water continuously drops from AH to AL, the controller 7 controls the water pumping device 4 to change the water pumping state to the stop state.

With reference to fig. 2, the water pumping device 4 includes a water pumping pipe 41, a water pumping pump 42, a rotating shaft 43 and a water pumping blade 44; the water pumping pipe 41 is communicated with the second water discharging pipe 5, the rotating shaft 43 is fixedly arranged at the driving end of the water pumping pump 42, the water pumping blade 44 is fixedly arranged at the end part of the rotating shaft 43, and the water pumping blade 44 and the water pumping pump 42 pump accumulated water to the water pumping pipe 41.

When raining reaches the upper limit value of the water level, the controller 7 of the embodiment of the present disclosure starts the motor of the water pump 42, so that the motor drives the pumping blade 44 to rotate, thereby pumping the accumulated water in the well body 1 to the pumping pipe 41, and because the pumping pipe 41 is communicated with the second drainage pipe 5, the pumping blade 44 pumps the water to the second drainage pipe 5, and the second drainage pipe 5 drains the accumulated water out of the well body 1. The motor of the water suction pump 42 is arranged close to the side wall 13 of the well body 1, so that the influence on the arrangement of cables and equipment in the well body 1 is effectively prevented.

A sealing plate 46 is provided between the motor and the pipe in the pumping pipe 41 of the present disclosure, and the rotating shaft 43 is rotatably connected to the sealing plate 46. When the water pump 42 and the pumping blade 44 are operated, the sealing plate 46 is disposed to effectively prevent rainwater from entering the motor of the water pump 42, thereby affecting the motor. In addition, when water is pumped, the sealing plate 46 can effectively block accumulated water at the position of the water pumping pipe 41, and the accumulated water is controlled to be discharged through the second water discharging pipe 5, so that the water discharging efficiency is indirectly improved.

Referring to fig. 2, in the embodiment of the present disclosure, a filter 45 is disposed at the water inlet end of the pumping pipe 41.

When ponding gets into well body 1 inside through well lid and well body 1 gap, can bring some rubbish or impurity into well body 1 inevitably, the setting of filter screen 45 can effectively prevent that pumping blade 44 from bringing impurity and rubbish into drinking-water pipe 41 at the during operation, avoids causing the jam to drinking-water pipe 41 and second drain pipe 5 etc..

According to the embodiment of the disclosure, the water pumping device 4 is arranged on the side wall 13 of the well body 1, so that the influence on the cable laying and equipment in the well is effectively avoided during working. The setting of this disclosed embodiment liquid level detection device has realized unmanned monitoring operation, turns off by oneself and opens pumping device 4, monitors well body 1 inside ponding in real time to automatic 1 inside ponding of effective discharge well body prevents that the rainwater from piling up in well body 1 bottom, causes the influence to cable equipment.

The sealing plate 46 of the embodiment of the disclosure can prevent the motor from being damaged by rainwater when water is pumped. The filter screen 45 of the embodiment of the present disclosure can filter impurities and garbage in rainwater, and prevent the garbage and the impurities from blocking the water pumping pipe 41 and the drainage pipeline.

The self-permeating device 2 at the bottom of the well body 1 can effectively discharge accumulated water which does not reach the alarm water level at the bottom of the well body 1. The self-infiltration device 2 effectively carries out low-energy-consumption green treatment on a small amount of accumulated water through a natural energy-saving means, and the load of the water pumping device 4 is reduced.

The above-listed detailed description is merely a specific description of possible embodiments of the present disclosure, and is not intended to limit the scope of the disclosure, which is intended to include within its scope equivalent embodiments or modifications that do not depart from the technical spirit of the present disclosure.

It will be evident to those skilled in the art that the disclosure is not limited to the details of the foregoing illustrative embodiments, and that the present disclosure may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the disclosure being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a prevent hand hole well of ponding, includes the well body, its characterized in that, the bottom of the well body is provided with from penetrant unit, well body below is provided with first calandria, the bottom surface of the well body with first calandria intercommunication, first calandria with be located near the well body greenbelt, building body water purification system or city drainage pipe network intercommunication.

2. The water accumulation resistant hand-hole well as defined in claim 1, wherein said self-infiltration means comprises: the filter unit is close to the bottom of the well body and fixedly arranged on the peripheral wall of the well body, and the collection chamber is used for collecting accumulated water in the well body and is formed by enclosing the filter unit, the bottom surface of the well body and the side surface of the well body;

the collection chamber is located below the filtration unit; the first water drainage pipe is located collect the room below, collect the room with the feed liquor end intercommunication of first water drainage pipe.

3. The water accumulation prevention hand hole well as recited in claim 2 wherein the filter unit comprises a filter screen and a quartz sand filter layer, the quartz sand filter layer being located below the filter screen;

the side wall of the well body is provided with a first support frame and a second support frame, the second support frame is positioned below the first support frame, and the filter screen is detachably connected with the first support frame; the quartz sand filter layer is connected with the second support frame.

4. The hand-hole well for preventing water accumulation according to claim 1, wherein a water pumping device and a second water drainage pipe are further arranged inside the well body, a liquid level monitoring device is further arranged inside the well body, and the liquid level monitoring device and the water pumping device are both positioned above the self-permeation device;

the liquid inlet end of the second drain pipe penetrates through the side wall of the well body and is connected with the inside of the well body, and the liquid outlet section of the second drain pipe is communicated with a green belt, a building water purification system or a municipal drainage pipe network which are positioned near the well body;

the water pumping device is communicated with the second water drainage pipe, and the water pumping device discharges the accumulated water in the well body into the second water drainage pipe.

5. The hand-hole well for preventing water accumulation according to claim 4, wherein the liquid level monitoring device is further connected with a controller;

the controller with the liquid level monitoring device with pumping device all connects, the liquid level monitoring device to the controller sends the ponding data in the well body, the controller judges and controls pumping device's operating condition according to the ponding data.

6. The water accumulation prevention hand hole well as defined in claim 5, wherein the liquid level monitoring device comprises: the liquid level transmitting sensor is connected with the controller through the shielding cable;

the liquid level transmitting sensor is positioned below the junction box.

7. The water accumulation prevention hand hole well as defined in claim 4, wherein the pumping means comprises a pumping pipe, a pumping pump, a rotating shaft and a pumping blade;

the drinking-water pipe with the second drain pipe intercommunication, the axis of rotation set firmly in the drive end of suction pump, the blade of drawing water set firmly in the tip of axis of rotation, the blade of drawing water with the suction pump is taken ponding extremely the drinking-water pipe.

8. The hand-hole well for preventing water accumulation according to claim 7, wherein a filter screen is arranged at the water inlet end of the water pumping pipe.

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