Drainage and pressure reduction automatic control system for tube well

Abstract

The utility model relates to the technical field of tube well construction, in particular to an automatic drainage and pressure reduction control system for a tube well, which is mounted on a tube well body and comprises a distribution box mounted on the ground, the distribution box is connected with an electric wire, the electric wire is connected with a probe for detecting water level, and the probe is connected with a pressure sensor. A probe is arranged in the tube well body, the probe extends into the tube well body, a water pump is further arranged in the tube well body, a liquid level relay and a controller are further arranged in the distribution box, the probe is electrically connected with the liquid level relay, and the liquid level relay and the water pump are both electrically connected with the controller. When the water level in the tube well body is at different elevations, the probe senses different frequencies and feeds back the different frequencies to the liquid level relay, so that different loops are presented, and when the liquid level relay is at different loops, the water pump electric brake controlled by the liquid level relay is correspondingly in an opening state and a closing state, and then the water pump is controlled to be opened or closed. Therefore, the effect of automatic, accurate and real-time precipitation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe well construction technical field especially relates to a pipe well is with the automatic control system of drainage and pressure reduction. BACKGROUND

[0002] The hydrology of the upper phreatic water and the lower confined water generally exists in the silt clay stratum, in the deep foundation pit engineering of this kind of geology, the groundwater control mode is usually arranged according to the distribution range of phreatic water and confined water, respectively, drains the well and pressure reduction well, to drain the well and discharge the phreatic water, to pressure reduction well and discharge the confined water, so the traditional groundwater control mode sets the number of dewatering well more, increases a large amount of engineering quantity, reduces work efficiency, improves dewatering construction cost.

[0003] In addition, how to accurately realize automatic control of dewatering is also a problem to be solved. INVENTION CONTENTS

[0004] The utility model solves the technical problems in the prior art, and provides a pipe well drainage and pressure reduction automatic control system.

[0005] The utility model adopts the technical scheme that a pipe well drainage and pressure reduction automatic control system is installed on the pipe well body, which comprises a distribution box installed on the ground, an electric wire connected to the distribution box, a probe for detecting water level connected to the electric wire, the probe extending into the pipe well body, a water pump arranged in the pipe well body, a liquid level relay and a controller arranged in the distribution box, the probe being electrically connected to the liquid level relay, and the liquid level relay and the water pump being electrically connected to the controller.

[0006] The pipe well drainage and pressure reduction automatic control system can feed back different frequencies to the liquid level relay when the water level in the pipe well body is at different elevations, so that different circuits are presented, the water pump cutout controlled by the liquid level relay is in the open and closed states when the liquid level relay is in different circuits, and the water pump is controlled to be opened or closed, so that the effects of automatic, accurate and real-time dewatering are achieved.

[0007] Further, the water pump is provided with a protective sleeve, and the protective sleeve is suspended in the pipe well body by a lifting rope.

[0008] Further, the protective sleeve comprises two half cylinders hingedly connected to each other, an inner groove is arranged on the side wall of the water pump, an outer protrusion for being clamped into the inner groove is arranged on the half cylinder, and the two half cylinders are connected by bolts after being folded.

[0009] Further, a plurality of lifting rings are arranged on the top wall of the protective sleeve, and the lifting rings are used to be connected to the lifting rope.

[0010] Further, a sponge pad is connected to the outer wall of the protective sleeve.

[0011] Further, the sponge pad and the protective sleeve are connected through elastic rods, and the elastic rods are arranged in a plurality of circumferential directions of the protective sleeve.

[0012] Further, one end of the elastic rod towards the sponge pad is connected with a circular arc plate, and the circular arc plate is connected with the sponge pad.

[0013] Further, the elastic rod comprises a sleeve rod, a shaft rod and a compression spring, the shaft rod is inserted into the sleeve rod, the compression spring is arranged in the sleeve rod, one end of the compression spring abuts against the bottom of the inner hole of the sleeve rod, and the other end of the compression spring abuts against the shaft rod.

[0014] A pipe well is provided with the pipe well automatic control system for drainage and pressure reduction, and comprises a pipe well body, wherein the pipe well body comprises an unwater layer, a phreatic water layer and a confined water layer from top to bottom, a first filter layer is arranged at the bottom of the confined water layer, a first clay isolation layer is arranged on the first filter layer, the first clay isolation layer is arranged in the confined water layer and the phreatic water layer, a second filter layer is arranged above the first clay isolation layer, the top of the second filter layer is level with the phreatic water layer, a second clay isolation layer is arranged above the second filter layer, and the second clay isolation layer is level with the unwater layer.

[0015] Further, a section of sand-free concrete filter pipe is arranged in each of the first filter layer and the second filter layer.

[0016] The pipe well has the advantages that

[0017] 1. When the water level in the pipe well body is at different elevations, the probe feeds back different frequencies to the liquid level relay, so as to present different loops; when the liquid level relay is in different loops, the water pump switch controlled by the liquid level relay is correspondingly in the open or closed state, so as to control the water pump to be opened or closed, thereby achieving the effect of automatic, accurate and real-time precipitation;

[0018] 2. The elastic rod and the sponge pad are matched, so that the position of the water pump is stably arranged at the center of the pipe well body, and the possibility of damage to the pipe well body caused by the impact between the water pump and the side wall of the pipe well body when the water pump is pulled can be reduced;

[0019] 3. Through the arrangement of the multi-stage filter pipe and the isolation layer, the pipe well integrates the dewatering and pressure reduction, realizes the integrated precipitation of the phreatic water and the confined water, reduces the number of precipitation wells and the construction cost, and realizes the automatic, accurate and real-time intelligent precipitation effect by using the automatic maintenance control system, compared with the traditional process, the process is advanced in technology, reliable in quality and green in environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further described below with the drawings and examples.

[0021] Figure 1 It is the structure diagram of the whole that reflects the automatic control system of the tube well in the utility model.

[0022] Figure 2 It is the schematic diagram of the protective sleeve in the utility model.

[0023] Figure 3 It is the schematic diagram of the tube well structure in the utility model.

[0024] In the drawing: 1, distribution box;11, electric wire;12, probe;13, water pump;131, inner recess;2, protective sleeve;21, lifting ring;23, outer protruding block;24, sponge pad;25, elastic rod;251, circular arc plate;3, tube well body;31, first filter material layer;32, first clay isolation layer;33, second filter material layer;34, second clay isolation layer;35, sandless concrete filter pipe. Specific implementation

[0025] The utility model will be further described in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the features limited by "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] The utility model discloses a kind of automatic control systems of drainage pressure reduction for tube well.

[0028] Refer to Figure 1 And Figure 2 A kind of automatic control systems of drainage pressure reduction for tube well, install in tube well body 3, including the distribution box 1 installed on ground, distribution box 1 is connected with electric wire 11, electric wire 11 is connected with probe 12 for detecting water level, probe 12 stretches in tube well body 3, water pump 13 is also equipped in tube well body 3, distribution box 1 is also equipped with liquid level relay and controller, probe 12 is electrically connected with liquid level relay, liquid level relay and water pump 13 are all electrically connected with controller.When water level in tube well body 3 is at different elevation, probe 12 is fed back to liquid level relay after sensing different frequency, so different loop is presented, when liquid level relay is at different loop, water pump 13 electric brake controlled by liquid level relay is correspondingly in opening and closing state, and then control water pump 13 opens or closes, so as to reach the effect of automatic, accurate, real-time precipitation.

[0029] Need to be explained, probe 12 can adopt vertical multipole probe, can be 316L stainless steel motor group, each group specifically includes common pole, low water level pole, middle water level pole and high water level pole.Common pole length can be 6m, low water level pole length can be 1m, middle water level pole length can be 0.5m, high water level pole length can be 0.2m.

[0030] Water pump 13 is provided with protective sleeve 2, protective sleeve 2 is suspended in tube well body 3 by lifting rope.Lifting eye 21 is arranged on the top wall of protective sleeve 2, and the lifting eye 21 is used to be connected with the lifting rope.

[0031] Specifically, protective sleeve 2 includes two mutually hinged half cylinders, the side wall of water pump 13 is provided with an inner groove 131, the half cylinders are provided with outer lugs 23 for clamping into the inner groove 131, and the two half cylinders are connected by bolts after being folded.

[0032] Sponge pad 24 is connected to the outer wall of protective sleeve 2, and the sponge pad 24 is connected to the protective sleeve 2 by elastic rods 25, and the elastic rods 25 are arranged in the circumferential direction of the protective sleeve 2.The one end of the elastic rod 25 towards the sponge pad 24 is connected with the circular arc plate 251, and the circular arc plate 251 is connected with the sponge pad 24 to better support the sponge pad 24.By cooperating the elastic rod 25 and the sponge pad 24, the position of the water pump 13 can be stabilized at the center of the tube well body 3, and the damage to the tube well body 3 caused by the impact between the water pump 13 and the side wall of the tube well body 3 when pulling the water pump 13 can be reduced.

[0033] More specifically, the elastic rod 25 includes a sleeve rod, a shaft rod and a compression spring, the shaft rod is inserted into the sleeve rod, the compression spring is arranged in the sleeve rod, one end of the compression spring abuts with the bottom of the inner hole of the sleeve rod, and the other end abuts with the shaft rod.

[0034] A pipe well is installed with the pipe well automatic control system for drainage and pressure reduction, referring to Figure 3 , comprising a pipe well body 3, the pipe well body 3 comprises an unwater layer, a phreatic water layer and a confined water layer from top to bottom, the bottom of the confined water layer is provided with a first filter material layer 31, the first filter material layer 31 is provided with a first clay isolation layer 32, the first clay isolation layer 32 is located in the confined water layer and the phreatic water layer at the same time, the first clay isolation layer 32 is provided with a second filter material layer 33 above, the top of the second filter material layer 33 is level with the phreatic water layer, the second filter material layer 33 is provided with a second clay isolation layer 34 above, the second clay isolation layer 34 is level with the unwater layer. The first filter material layer 31 and the second filter material layer 33 are respectively provided with a section of sandless concrete filter pipe 35. The water pump 13 is located between the two sections of sandless concrete filter pipe 35.

[0035] Working principle: when the water level in the pipe well body 3 is at different elevations, the probe 12 senses different frequencies and feeds back to the liquid level relay, thereby presenting different loops, when the liquid level relay is in different loops, the water pump 13 gage controlled by the liquid level relay is in the corresponding opening and closing state, and then the water pump 13 is opened or closed, thereby achieving the effect of automatic, accurate and real-time precipitation.

[0036] Based on the above ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. An automatic control system for drainage and pressure reduction in a well, installed on the well body (3), characterized in that, The system includes a ground-mounted distribution box (1) with wires (11) connected to it. A probe (12) for detecting water level is connected to the wires (11). The probe (12) extends into the manhole body (3). A water pump (13) is also installed inside the manhole body (3). A liquid level relay and a controller are also installed inside the distribution box (1). The probe (12) is electrically connected to the liquid level relay. The liquid level relay and the water pump (13) are both electrically connected to the controller.

2. The automatic control system for drainage and pressure reduction in wells according to claim 1, characterized in that, The water pump (13) is provided with a protective sleeve (2), which is suspended inside the well body (3) by a rope.

3. The automatic control system for drainage and pressure reduction in wells according to claim 2, characterized in that, The protective sleeve (2) includes two semi-cylinders that are hinged to each other. The side wall of the water pump (13) is provided with an inner groove (131). The semi-cylinders are provided with an outer protrusion (23) for inserting into the inner groove (131). The two semi-cylinders are connected by bolts after being closed.

4. The automatic control system for drainage and pressure reduction in wells according to claim 3, characterized in that, The top wall of the protective sleeve (2) is provided with multiple lifting rings (21), which are used to connect with the lifting rope.

5. The automatic control system for drainage and pressure reduction in wells as described in claim 4, characterized in that, A sponge pad (24) is attached to the outer wall of the protective sleeve (2).

6. The automatic control system for drainage and pressure reduction in wells as described in claim 5, characterized in that, The sponge pad (24) is connected to the protective sleeve (2) by an elastic rod (25), and there are multiple elastic rods (25) arranged circumferentially along the protective sleeve (2).

7. The automatic control system for drainage and pressure reduction in wells as described in claim 6, characterized in that, The end of the elastic rod (25) facing the sponge pad (24) is connected to an arc plate (251), and the arc plate (251) is connected to the sponge pad (24).

8. The automatic control system for drainage and pressure reduction in wells as described in claim 7, characterized in that, The elastic rod (25) includes a sleeve rod, a shaft rod, and a compression spring. The shaft rod is inserted into the sleeve rod, and the compression spring is located inside the sleeve rod. One end of the compression spring abuts against the bottom of the inner hole of the sleeve rod, and the other end abuts against the shaft rod.

9. A wellbore equipped with an automatic pressure reduction and drainage control system as described in any one of claims 1-8, characterized in that, The well body (3) includes a waterless layer, a shallow water layer and a confined water layer from top to bottom. The bottom of the confined water layer is provided with a first filter layer (31). A first clay isolation layer (32) is provided on the first filter layer (31). The first clay isolation layer (32) is located in both the confined water layer and the shallow water layer. A second filter layer (33) is provided above the first clay isolation layer (32). The top of the second filter layer (33) is at the same height as the shallow water layer. A second clay isolation layer (34) is provided above the second filter layer (33). The second clay isolation layer (34) is at the same height as the waterless layer.

10. A well as described in claim 9, characterized in that, A section of sand-free concrete filter pipe (35) is provided in the first filter layer (31) and the second filter layer (33).

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