Dam seepage flow rapid monitoring device

Abstract

The invention discloses a dam seepage flow rapid monitoring device, and relates to the technical field of seepage monitoring. Comprising a collecting hopper and a filter screen arranged in the collecting hopper, and the flow guide unit comprises a cylinder body which is fixedly connected to the lower end of the collecting hopper. According to the device, impurities and solid particles contained in seepage flow are filtered out in one step through the filter screen, a follow-up monitoring assembly can be protected against blockage or abrasion, the service life of equipment is prolonged, the accuracy of monitoring data is ensured, the flow velocity of the seepage flow is unified through the flow guide assembly, and the flow rate is uniform. The flow velocity and the flow direction of the seepage flow entering the monitoring unit are consistent, so that the inconsistency of monitoring data caused by the change of the flow velocity can be reduced, and a sensor in the monitoring unit is matched with the deformation of a diaphragm to complete the seepage flow monitoring. The diaphragm type pressure sensor can accurately sense the pressure change generated by seepage and convert the change into an electric signal to be output, so that the seepage pressure can be accurately measured.

Description

Technical Field

[0001] The invention relates to the technical field of seepage monitoring, and in particular to a device for quickly monitoring the seepage volume of a dam. Background Art

[0002] Seepage is the amount of water that penetrates through the dam and the dam body's pores. After the reservoir is built, it affects the foundations around the dam body and dam shoulders. The dam after water storage generates water pressure loads. Under the action of the upstream and downstream water level difference, seepage is formed on the dam body, dam foundation, and around the dam. The seepage is a basic element that reflects the seepage state. It is an intuitive, sensitive and comprehensive factor that reflects the seepage safety problem. It reflects the working status of the anti-seepage body in a comprehensive and timely manner.

[0003] Due to the complex internal structure of the dam, the seepage drainage holes are divided and segmented, resulting in a wide range of drainage pipe installation locations and a large number of them. The measurement is time-consuming and labor-intensive, the manual reading accuracy is not high, and a large number of calculations are prone to errors. In case of special working conditions, when it is necessary to immediately and comprehensively measure the seepage volume of the dam, the monitoring personnel need to spend a lot of time to measure, so we designed a device that uses sensors to monitor the seepage volume. Summary of the invention

[0004] In view of the above problems existing in the existing dam seepage rapid monitoring device, the present invention is proposed.

[0005] Therefore, the present invention provides a dam seepage rapid monitoring device, the purpose of which is to solve the problem that the internal structure of the dam is complex, the seepage drainage holes are divided into zones and sections, resulting in a wide range of drainage pipe installation locations and a large number, the measurement is time-consuming and labor-intensive, and the manual reading accuracy is low.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a device for rapid monitoring of dam seepage, comprising a collection unit, including a collection bucket and a filter screen arranged in the collection bucket; a diversion unit, including a cylinder, the cylinder is fixedly connected to the lower end of the collection bucket, and a diversion component is arranged in the collection bucket; a monitoring unit, including a display arranged on the outer wall of the cylinder, a protective cover arranged in the cylinder, and a detection component arranged in the protective cover and coordinated with the diversion component.

[0007] As a preferred solution of the dam seepage rapid monitoring device of the present invention, the filter screen includes a connecting ring arranged on the outside of the filter screen, and the connecting ring is threadedly connected to the inner wall of the collecting bucket.

[0008] As a preferred solution of the dam seepage rapid monitoring device of the present invention, the filter screen is tilted and arranged to be lower than the port position of the collecting bucket, and the filter screen presents a mesh structure.

[0009] As a preferred solution of the dam seepage rapid monitoring device of the present invention, the guide assembly includes a guide plate arranged in the collecting bucket, a connecting rod arranged on the inner side of the guide plate, and a spiral plate arranged on the outside of the connecting rod.

[0010] As a preferred solution of the dam seepage rapid monitoring device of the present invention, wherein: a guide surface is arranged on the upper side of the guide plate, and a guide hole is arranged on the guide surface.

[0011] As a preferred solution of the dam seepage rapid monitoring device described in the present invention, it also includes a confluence assembly, which includes a baffle plate arranged at the end of the spiral plate, a confluence hole arranged on the lower end surface of the connecting rod, and a spiral groove arranged on the outside of the connecting rod close to and connected to the confluence hole.

[0012] As a preferred solution of the dam seepage rapid monitoring device of the present invention, the rotation angles of the spiral groove and the spiral plate are consistent, and the lower inner wall of the spiral groove and the upper spiral surface of the spiral plate are flush.

[0013] As a preferred solution of the dam seepage rapid monitoring device described in the present invention, the detection component includes a sensor and a diaphragm, the protective cover has a hollow cone structure, the diaphragm is arranged on the upper end of the protective cover by Velcro, and the sensor is arranged inside the protective cover.

[0014] As a preferred solution of the dam seepage rapid monitoring device of the present invention, a power supply is arranged in the protective cover and is connected to the interface wire on the outer wall of the cylinder.

[0015] As a preferred solution of the dam seepage rapid monitoring device of the present invention, it also includes a drainage component, and the drainage component includes a drainage groove arranged on the inclined surface of the protective cover and the outer wall of the cylinder.

[0016] The beneficial effects of the present invention are as follows: by filtering out impurities and solid particles contained in the seepage through the filter net in advance, the subsequent monitoring components can be protected from blockage or wear, the service life of the equipment can be extended, and the accuracy of the monitoring data can be ensured. The flow rate of the seepage is unified through the guide component to ensure that the seepage has a consistent flow rate and direction when entering the monitoring unit, which can reduce the inconsistency of the monitoring data caused by the change in flow rate. The sensor in the monitoring unit cooperates with the deformation of the diaphragm to complete the seepage monitoring. The diaphragm pressure sensor can accurately sense the pressure changes caused by the seepage and convert this change into an electrical signal output, thereby realizing the accurate measurement of the seepage pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the dam seepage rapid monitoring device of the present invention.

[0019] Figure 2 It is a cross-sectional view of the device for rapid monitoring of dam seepage of the present invention.

[0020] Figure 3 It is a partial structural disassembly diagram of the dam seepage rapid monitoring device of the present invention.

[0021] Figure 4 for Figure 3 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments, either individually or selectively.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] Example 1, reference Figure 1 - Figure 3 , which is the first embodiment of the present invention, provides a dam seepage rapid monitoring device, including a collection unit 100, including a collection bucket 101, a filter screen 102 arranged in the collection bucket 101;

[0027] The flow guide unit 200 includes a cylinder 201 , a flow guide component 202 which is fixedly connected to the lower end of the collecting bucket 101 and is disposed in the collecting bucket 101 .

[0028] Furthermore, the filter 102 includes a connection ring 102a disposed outside the filter 102, the connection ring 102a is threadedly connected to the inner wall of the collecting bucket 101, the filter 102 is tilted and disposed below the port position of the collecting bucket 101, and the filter 102 presents a mesh structure.

[0029] Among them, the main function of the filter 102 is to filter out impurities and particulate matter in the seepage to protect the subsequent measuring equipment and sensor 303a from being blocked or damaged. The filter 102 has a mesh structure, which is composed of staggered metal wires to form a plurality of small holes, allowing liquid to pass through and intercepting solid particles. The filter 102 is tilted and set lower than the port position of the collection bucket 101. The tilt angle can make it easier for solid impurities to slide along the filter 102 instead of accumulating on the filter 102. This can reduce the blockage of the filter 102, keep the water flow unobstructed, and the flowing liquid can more easily pass through the filter 102, while the solid particles are also easier to be separated.

[0030] Furthermore, the filter screen 102 is threadedly connected to the inner wall of the collecting bucket 101 via the connecting ring 102a, which provides a stable connection while conveniently allowing the filter screen 102 to be removed for cleaning or replacement when necessary. The mesh size of the filter screen 102 needs to be determined based on the size of impurities expected in the seepage flow to ensure effective filtration while avoiding excessive restriction of water flow.

[0031] Example 2, reference Figure 2 - Figure 4 , which is the second embodiment of the present invention. This embodiment is different from the first embodiment in that the guide assembly 202 includes a guide plate 202a arranged in the collecting bucket 101, a connecting rod 202b arranged on the inner side of the guide plate 202a, a spiral plate 202c arranged on the outside of the connecting rod 202b, a guide surface 202d arranged on the upper side of the guide plate 202a, and a guide hole 202e opened on the guide surface 202d.

[0032] Furthermore, the guide plate 202a is arranged in the collecting hopper 101, and its main function is to guide the seepage to flow in a predetermined direction. The shape and angle of the guide plate 202a can be optimized and designed according to the internal structure of the collecting hopper 101 and the characteristics of the seepage. The conical guide surface 202d guides the seepage to flow smoothly along its curved surface, reduces the sudden change and turning of the water flow, and thus reduces the generation of eddy currents and turbulence. The upper surface of the guide surface 202d is provided with a plurality of groups of guide holes 202e, which are arranged in an annular manner and distributed one by one to the outside of the guide surface 202d.

[0033] The connecting rod 202b is threadedly connected to the inner center of the lower end of the guide plate 202a, and the spiral plate 202c is fixedly arranged outside the connecting rod 202b to further guide the seepage or increase the flow path to promote the uniform distribution of the seepage, and the upper spiral surface of the spiral plate 202c is inclined inward, so that the water flow can naturally converge to the center;

[0034] The confluence assembly 203 is also included, and the confluence assembly 203 includes a blocking plate 203a disposed at the end of the spiral plate 202c, a confluence hole 203b disposed on the lower end surface of the connecting rod 202b, and a spiral groove 203c disposed outside the connecting rod 202b close to and connected to the confluence hole 203b. The rotation angles of the spiral groove 203c and the spiral plate 202c are consistent, and the lower inner wall of the spiral groove 203c is flush with the upper spiral surface of the spiral plate 202c.

[0035] Furthermore, the blocking plate 203a is arranged at the end of the spiral plate 202c, and its main function is to prevent the seepage from flowing out directly and force the seepage to flow in a set direction. The blocking plate 203a helps to concentrate the seepage so that it flows through a specific path, thereby achieving better control and measurement. The confluence hole 203b is arranged on the lower end surface of the connecting rod 202b, and is a channel for the seepage to flow from the spiral plate 202c to the monitoring component. The spiral groove 203c is arranged on the outside of the connecting rod 202b and is connected to the confluence hole 203b. Its function is to guide the seepage to flow in the confluence hole 203b path. The opening of the spiral groove 203c enables the seepage to merge with the seepage along the path of the spiral plate 202c in the process of flowing to the detection component 402.

[0036] The spiral groove 203c and the spiral plate 202c have the same spiral direction and inclination angle, and the lower inner wall of the spiral groove 203c is flush with the upper spiral surface of the spiral plate 202c, so that the seepage gathered by the spiral plate 202c can flow into the confluence hole through the spiral groove 203c without any hindrance.

[0037] The remaining structures are the same as those of Example 1.

[0038] Example 3, reference Figure 1 - Figure 4 , which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that: the detection component 402 includes a sensor 303a and a diaphragm 303b, the protective cover 302 has a hollow cone structure, the diaphragm 303b is set on the upper end of the protective cover 302 through Velcro, the sensor 303a is set in the protective cover 302, and a power supply 303c is set in the protective cover 302, and is connected to the interface 303d on the outer wall of the cylinder 201 by a wire.

[0039] Furthermore, the sensor 303a is the core of the detection component 402, which is used to measure various parameters of seepage, such as pressure, flow, etc. The sensor 303a is arranged inside the protective cover 302, so that the sensor 303a can be protected from the influence of the external environment. The diaphragm 303b is an important component of the sensor 303a, which is usually used to sense pressure changes. The diaphragm 303b is arranged on the upper end of the protective cover 302 through Velcro, which can ensure the sealing between the diaphragm 303b and the protective cover 302. The protective cover 302 presents a hollow cone structure, which can provide enough space to accommodate the sensor 303a and the diaphragm 303b. The power supply 303c is arranged in the protective cover 302 to provide power to the sensor 303a and the display 301. The interface 303d is a USB interface, which can supply power to the power supply 303c and can also obtain the data stored in the sensor 303a.

[0040] Among them, the sensor 303a outputs a digital signal, which matches the input impedance of the timing module, so that the timing module can start timing when receiving the signal. When the seepage passes through the diaphragm 303b, the pressure generated by it causes the diaphragm 303b to deform. This deformation is captured by the sensor 303a, and the conversion mechanism inside the sensor 303a converts the mechanical deformation of the diaphragm 303b into an electrical signal.

[0041] The output electrical signal is proportional to the pressure of the seepage fluid, which means that changes in pressure will be directly reflected in the intensity of the electrical signal. The electrical signal proportional to the pressure is transmitted to the data processing module for further conversion and processing.

[0042] In the data processing module, the pressure signal is converted into a flow value by using the principles of fluid mechanics, especially the relationship between pressure difference and flow.

[0043] The pressure difference Δp when the seepage flows through is measured by using the sensor 303a. The area A is calculated according to the size and shape of the confluence hole 203b. The dynamic viscosity μ of the seepage fluid is generally 1.01x10^-3Pa.s. At the same time, the following calculation formula is obtained according to the Hagen-Poiseuille theorem:

[0044] Q---seepage flow

[0045] r---Radius of confluence hole 203b

[0046] L---Length of confluence hole 203b

[0047] Δp---Sensor 303a pressure difference

[0048] μ---dynamic viscosity

[0049] The calculated seepage flow rate value is output to the display 301 for direct reading by the operator.

[0050] In order to facilitate the subsequent data collation and analysis, the monitoring device supports batch data output through interface 303d.

[0051] In addition, an inclined surface 304a is arranged on the protective cover 302, and the inclined surface 304a is inclined from the inside to the outside and from the high to the low, so that the water flowing over the diaphragm 303b can flow outward along the inclined surface 304a, and a drainage groove 304b is arranged on the outer wall of the cylinder 201. The drainage groove 304b has several groups and is distributed in a ring on the outside of the cylinder 201, so that the water guided by the inclined surface 304a can flow out of the cylinder 201 through the drainage groove 304b to complete the drainage work.

[0052] The remaining structure is the same as that of Example 2.

[0053] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible without substantially departing from the novel teachings and advantages of the subject matter described in the application (e.g., mounting arrangements, use of materials, color, changes in orientation, etc.). For example, the element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to a variety of modifications that still fall within the scope of the appended claims.

[0054] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A dam seepage rapid monitoring device, characterized in that: include, A collection unit (100) comprises a collection bucket (101) and a filter screen (102) arranged in the collection bucket (101); A flow guide unit (200) comprises a cylinder (201), the cylinder (201) being fixedly connected to the lower end of a collecting bucket (101), and a flow guide component (202) disposed in the collecting bucket (101); The monitoring unit (300) comprises a display (301) arranged on the outer wall of the cylinder (201), a protective cover (302) arranged in the cylinder (201), and a detection component (402) arranged in the protective cover (302) and cooperating with the diversion component (202).

2. The dam seepage rapid monitoring device according to claim 1 is characterized by: The filter screen (102) comprises a connection ring (102a) arranged outside the filter screen (102), and the connection ring (102a) is threadedly connected to the inner wall of the collection bucket (101).

3. The dam seepage rapid monitoring device according to claim 2 is characterized by: The filter screen (102) is tilted and arranged below the port position of the collection bucket (101), and the filter screen (102) presents a mesh structure.

4. The dam seepage rapid monitoring device according to claim 3 is characterized by: The flow guide assembly (202) comprises a flow guide plate (202a) arranged in the collection bucket (101), a connecting rod (202b) arranged inside the flow guide plate (202a), and a spiral plate (202c) arranged outside the connecting rod (202b).

5. The dam seepage rapid monitoring device according to claim 4 is characterized by: A flow guide surface (202d) is arranged on the upper side of the flow guide plate (202a), and a flow guide hole (202e) is arranged on the flow guide surface (202d).

6. The dam seepage rapid monitoring device according to claim 5 is characterized by: It also includes a confluence component (203), the confluence component (203) including a baffle plate (203a) arranged at the end of the spiral plate (202c), a confluence hole (203b) arranged on the lower end surface of the connecting rod (202b), and a spiral groove (203c) arranged outside the connecting rod (202b) close to and connected to the confluence hole (203b).

7. The dam seepage rapid monitoring device according to claim 6 is characterized by: The rotation angles of the spiral groove (203c) and the spiral plate (202c) are consistent, and the lower inner wall of the spiral groove (203c) is flush with the upper spiral surface of the spiral plate (202c).

8. The dam seepage rapid monitoring device according to claim 7 is characterized by: The detection component (402) comprises a sensor (303a) and a diaphragm (303b); the protective cover (302) presents a hollow cone structure; the diaphragm (303b) is arranged on the upper end of the protective cover (302) by Velcro; and the sensor (303a) is arranged in the protective cover (302).

9. The dam seepage rapid monitoring device according to claim 8, characterized in that: A power source (303c) is provided in the protective cover (302) and is connected to an interface (303d) on the outer wall of the cylinder (201) via a wire.

10. The dam seepage rapid monitoring device according to claim 9, characterized in that: It also includes a drainage component (304), wherein the drainage component (304) includes an inclined surface (304a) arranged on the protective cover (302) and a drainage groove (304b) arranged on the outer wall of the cylinder (201).

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