Dam leakage identification test device based on different temperature differences

By introducing heat-insulating irradiation components and a constant-temperature water tank into the dam seepage identification test device, the temperature difference between the dam surface and the water is adjusted, solving the problem of difficult identification by existing devices and achieving efficient seepage identification and location.

CN223756226UActive Publication Date: 2026-01-02NANJING HYDRAULIC RES INST
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Patent Information

Application Number
CN202520118968.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-02
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The existing dam seepage test equipment lacks a heating device, resulting in a small temperature difference between the water and the dam surface, making it impossible to effectively identify seepage outlets.

Method used

A test device for identifying dam seepage based on different temperature differences was designed. The device uses heat-insulating irradiation components and a constant-temperature water tank to generate temperature differences. The temperature of the dam surface and water is adjusted by heating the irradiation lamp and heater. Infrared thermal imager is used to identify seepage anomalies.

Benefits of technology

By increasing the temperature difference between the dam surface and the water, the accuracy and flexibility of seepage identification are improved, enabling timely detection of seepage points and ensuring the safety of the dam.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dam leakage identification test device based on different temperature differences, which relates to the technical field of dam leakage identification tests and comprises a supporting table, a model groove is mounted at the top of the supporting table, and a heat preservation irradiation assembly is mounted at the top of the model groove through a hinge. The heat preservation irradiation assembly is used for providing heat for generating temperature difference, the heat preservation irradiation assembly comprises a protective shell, a through groove and a heating irradiation lamp, the protective shell is installed at the top of the model groove through a hinge, the through groove is formed in the front face of the protective shell, and the heating irradiation lamp is installed on the top slope of the protective shell in a penetrating mode. According to the utility model, the heating irradiation lamp irradiates the dam surface after being electrified, so that the temperature of the dam surface rises, and different temperature differences are formed between the temperature of the dam surface and the water temperature of the leakage water outlet, so that the effect of different temperature differences on dam leakage identification of the test device is researched, and the minimum temperature difference index is determined; and the support is provided for the thermal infrared remote sensing technology embankment patrol risk inspection.
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Description

TECHNICAL FIELD

[0001] The utility model relates to embankment seepage identification test technical field, concretely to a kind of embankment seepage identification test device based on different temperature difference. BACKGROUND

[0002] Seepage is the most common embankment typical disease with extremely great harmfulness, which has the characteristics of time-space randomness, location concealment and initial magnitude subtlety in the early stage, and is often not easy to be detected, but the consequences caused ultimately are mostly very serious. Rapid detection, identification and positioning of early seepage hidden danger of earth dam can provide timely and accurate guidance for risk reinforcement and rescue and disaster relief work, which is the key to guarantee the safe operation of earth dam.

[0003] The test device fully considers the correlation characteristics of embankment seepage and temperature. In the case of no concentrated seepage, the pore water in the embankment only seeps, the seepage speed is slow and stable, and the contact between water and embankment soil has sufficient space and time for heat exchange, so the temperature is consistent with the surrounding embankment soil. When there is concentrated seepage, the flow rate of seepage water is very fast, and the two cannot exchange heat fully, so the temperature field at the seepage outlet is abnormal.

[0004] Since the existing embankment seepage test device uses natural water temperature and dam surface temperature difference for identification, it lacks a heating device for the dam surface, which leads to a small water temperature and dam surface temperature difference and cannot identify the embankment seepage outlet. In order to achieve the purpose of "temperature exploration", it is necessary to develop an embankment seepage test device based on different water temperature and dam surface temperature difference, so as to obtain the minimum temperature difference to identify the embankment seepage. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an embankment seepage identification test device based on different temperature difference to solve the problem of lacking a heating device for the dam surface in the background technology, which leads to a small water temperature and dam surface temperature difference and cannot identify the embankment seepage outlet.

[0006] To achieve the above object, the utility model provides the following technical scheme: an embankment seepage identification test device based on different temperature difference, comprising: a support table, a model groove is installed on the top of the support table, a heat preservation and irradiation assembly is installed on the top of the model groove through a hinge, the heat preservation and irradiation assembly is used to provide heat to generate temperature difference, the heat preservation and irradiation assembly comprises a protective shell, a through groove and a heating and irradiation lamp, the protective shell is installed on the top of the model groove through a hinge, the through groove is opened on the front of the protective shell, and the heating and irradiation lamp is installed on the top inclined surface of the protective shell in a penetrating manner, and the heating and irradiation end of the heating and irradiation lamp is located in the interior of the protective shell.

[0007] As a further scheme of the utility model, the top of the support table is provided with a support rod, the support rod is located in front of the model groove, the top end of the support rod is provided with an infrared thermal imager, and the detection end of the infrared thermal imager corresponds to the through groove.

[0008] As a further scheme of the utility model, the back of the model groove is provided with a plurality of overflow holes, the overflow holes are arranged in sequence from top to bottom, the inside of the model groove is provided with a dam model, the bottom inner wall of the model groove is provided with a drainage channel, and the drainage channel penetrates through the bottom of the support table.

[0009] As a further scheme of the utility model, one side of the model groove is provided with a temperature controller.

[0010] As a further scheme of the utility model, the top of the support table is provided with a support frame, the support frame is located behind the model groove, the top end of the support frame is provided with a constant-temperature water tank, the top of the constant-temperature water tank is provided with a heater, and the heating end of the heater is located in the inside of the constant-temperature water tank.

[0011] As a further scheme of the utility model, the bottom front of the constant-temperature water tank is provided with a water outlet pipe, the water outlet end of the water outlet pipe is located above the model groove, and the outer side of the water outlet pipe is provided with a control valve.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. In the utility model, the heating irradiation lamp in the heat preservation irradiation assembly is installed on the inclined surface of the protective shell, so that the heating irradiation lamp corresponds to the front dam surface of the dam model, the dam surface is irradiated by the heating irradiation lamp after being electrified, the temperature of the dam surface is increased, the temperature difference between the dam surface and the water temperature is increased, the test device is convenient for understanding and identifying the temperature difference range of the dam surface and the water temperature required by the dam surface, the protective shell plays a heat preservation and protection role, the protective shell is closed, the heating dam surface temperature is prevented from being lost by the external environment, and the heating dam surface is prevented from being affected.

[0014] 2. In the utility model, the heater is installed in the constant-temperature water tank, the temperature difference between the water temperature and the dam surface is caused by heating the water temperature, the model test is more flexible and convenient for adjusting the temperature difference, the temperature controller is used for controlling the temperature of the liquid in the model groove, the water temperature in the model groove can always be consistent, and the influence of the leakage test of the dam caused by the gradually reduced water temperature due to the long leakage time is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2The utility model discloses a heat preservation and irradiation assembly structure schematic view.

[0017] Figure 3 The utility model discloses a model groove structure schematic view.

[0018] Figure 4 The utility model discloses a constant temperature water tank structure schematic view.

[0019] In the drawing: 1, support platform, 2, model groove, 3, temperature controller, 4, overflow hole, 5, dam model, 6, drainage channel, 7, protective shell, 8, through groove, 9, heating and irradiation lamp, 10, support rod, 11, infrared thermal imager, 12, support frame, 13, constant temperature water tank, 14, heater, 15, water outlet pipe, 16, control valve. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0021] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figure 1 And Figure 2 A dam leakage identification test device based on different temperature differences;

[0024] It includes: support platform 1 and heat preservation irradiation assembly, the top of support platform 1 is equipped with model groove 2, the top of model groove 2 is equipped with heat preservation irradiation assembly through hinge, heat preservation irradiation assembly is used to provide heat generated by temperature difference, heat preservation irradiation assembly includes protective shell 7, through slot 8 and heating irradiation lamp 9, protective shell 7 is installed on the top of model groove 2 through hinge, through slot 8 is opened in the front of protective shell 7, heating irradiation lamp 9 is installed on the top inclined surface of protective shell 7, and the heating irradiation end of heating irradiation lamp 9 is located in the interior of protective shell 7, the top of support platform 1 is equipped with support rod 10, support rod 10 is located in the front of model groove 2, the top end of support rod 10 is equipped with infrared thermal imager 11, and the detection end of infrared thermal imager 11 corresponds with through slot 8;

[0025] Support platform 1 provides position for the installation of the test model, the leakage test of dam model 5 is placed in model groove 2, and model groove 2 also provides position for the installation of heat preservation irradiation assembly, heating irradiation lamp 9 in heat preservation irradiation assembly is installed on the inclined surface of protective shell 7, so that the front surface of heating irradiation lamp 9 corresponds with dam model 5, so that heating irradiation lamp 9 irradiates the dam surface after being powered on, the temperature of the dam surface is increased, the temperature difference between the dam surface and water is increased, so that the test device can know whether the temperature difference between the dam surface and water affects the leakage of the dam, protective shell 7 plays a heat preservation and protection role, by closing protective shell 7, the external environment is avoided to cause the temperature loss of the heated dam surface, and the leakage of the dam surface is affected, through slot 8 enables infrared thermal imager 11 to penetrate the front of protective shell 7 to identify the leakage of the dam surface, and infrared thermal imager 11 is used to identify the abnormality caused by the leakage of the dam surface.

[0026] Please refer to Figure 1 、 Figure 3 and Figure 4 , a dam leakage identification test device based on different temperature differences;

[0027] It includes dam model 5 and constant-temperature water tank 13, a plurality of overflow holes 4 are installed on the back of model groove 2 and arranged in sequence from top to bottom, dam model 5 is installed in model groove 2, drainage channel 6 is installed on the inner wall of the bottom of model groove 2 and penetrates the bottom of support platform 1, temperature controller 3 is installed on one side of model groove 2, support frame 12 is installed on the top of support platform 1 and located at the back of model groove 2, constant-temperature water tank 13 is installed on the top end of support frame 12, heater 14 is installed on the top of constant-temperature water tank 13 and the heating end of heater 14 is located in the interior of constant-temperature water tank 13, water outlet pipe 15 is installed on the front of the bottom of constant-temperature water tank 13 and penetrates, and the water outlet end of water outlet pipe 15 is located above model groove 2, control valve 16 is installed on the outside of water outlet pipe 15;

[0028] The dam model 5 is placed in the model tank 2, the seepage test liquid is added into the model tank 2, the height of the internal liquid level is controlled by opening the overflow holes 4 of different heights, the temperature controller 3 is used to control the temperature of the liquid in the model tank 2, so that the water temperature in the model tank 2 can be kept consistent at all times, avoiding the influence on the seepage experiment of the dam caused by the gradual decrease of the water temperature due to the long seepage time, the liquid after seepage is discharged through the drainage channel 6, the liquid used for the test is discharged through the constant temperature water tank 13, the liquid in the constant temperature water tank 13 is discharged into the model tank 2 through the water outlet pipe 15 by opening the control valve 16, and the water outlet end of the water outlet pipe 15 penetrates the back inner wall of the model tank 2, so that the liquid in the constant temperature water tank 13 is discharged into the model tank 2 through the water outlet pipe 15, and the heater 14 is installed in the constant temperature water tank 13, and the water temperature can also be heated by the installation of the heater 14, so that the temperature difference between the water temperature and the dam surface is generated, and the model test is more flexible and convenient for temperature difference adjustment.

[0029] Working principle, first of all, the structure in the model test device is installed on the top of the support table 1, the dam model 5 is located in the model tank 2 for seepage test, the liquid used for test is discharged through the constant temperature water tank 13, the heater 14 in the constant temperature water tank 13 can heat the water temperature, the temperature difference between the liquid temperature used for seepage test and the dam surface is generated, the liquid is seeped through the dam model 5, and finally the seeped liquid is discharged through the drainage channel 6, and the infrared thermal imager 11 is used for identifying the abnormality caused by the seepage of the dam surface.

[0030] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A dam leakage identification test device based on different temperature differences, characterized in that, It include: support platform (1), the top of support platform (1) is installed with model groove (2), the top of model groove (2) is installed with heat preservation and irradiation assembly through hinge, heat preservation and irradiation assembly is used to provide heat generated by temperature difference, heat preservation and irradiation assembly includes protective shell (7), through slot (8) and heating and irradiation lamp (9), protective shell (7) is installed on the top of model groove (2) through hinge, through slot (8) is opened in the front of protective shell (7), heating and irradiation lamp (9) is installed on the top of the inclined surface of protective shell (7) through, and the heating and irradiation end of heating and irradiation lamp (9) is located in the inside of protective shell (7).

2. The dam leakage identification test device based on different temperature differences according to claim 1, characterized in that: The top of support platform (1) is installed with support rod (10), support rod (10) is located in the front of model groove (2), the top end of support rod (10) is installed with infrared thermal imager (11), and the detection end of infrared thermal imager (11) corresponds with through slot (8).

3. The dam leakage identification test device based on different temperature differences according to claim 1, characterized in that: The back of model groove (2) is installed with multiple overflow holes (4), and overflow holes (4) are sequentially arranged and installed upwards and downwards, the inside of model groove (2) is installed with dam model (5), the bottom inner wall of model groove (2) is installed with drainage channel (6), and drainage channel (6) penetrates the bottom of support platform (1).

4. The dam leakage identification test device based on different temperature differences according to claim 1, characterized in that: One side of model groove (2) is installed with temperature controller (3) through.

5. The dam leakage identification test device based on different temperature differences according to claim 1, characterized in that: The top of support platform (1) is installed with support frame (12), and support frame (12) is located in the back of model groove (2), the top end of support frame (12) is installed with constant temperature water tank (13), the top of constant temperature water tank (13) is installed with heater (14), and the heating end of heater (14) is located in the inside of constant temperature water tank (13).

6. The dam leakage identification test device based on different temperature differences according to claim 5, characterized in that: The bottom front of constant temperature water tank (13) is installed with water outlet pipe (15) through, and the water outlet end of water outlet pipe (15) is located above model groove (2), and control valve (16) is installed on the outside of water outlet pipe (15).