Underground pipeline leakage point detection device

Abstract

The utility model discloses an underground pipeline leakage point detection device, which comprises an analyzer and a plurality of detection units, and the plurality of detection units are sequentially arranged at intervals along the length direction of an underground pipeline. The detection unit comprises a mounting pipe and a sound wave probe, the mounting pipe is vertically buried underground, the bottom end of the mounting pipe is connected with the pipe wall of the underground pipeline, and the top end of the mounting pipe extends to the ground; the sonic probe is detachably arranged in the mounting pipe, a detection head of the sonic probe is connected with the pipe wall of the underground pipeline, and the sonic probe is electrically connected with the analyzer. The underground pipeline leakage detection device has the technical effects that the ground is excavated once to pre-embed and mount each mounting pipe, and when the leakage point of the underground pipeline needs to be detected or not and the position of the leakage point needs to be determined, the acoustic probes are mounted from each mounting pipe and connected with the analyzer, so that the leakage point of the underground pipeline can be determined by using the analyzer; the structure is simple, the ground does not need to be excavated repeatedly, the sonic probe is very convenient to disassemble, assemble and maintain, and the detection cost can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground pipeline leakage detection technical field, concretely relates to underground pipeline leakage point detection device. BACKGROUND

[0002] At present, the water supply and gas supply pipeline buried underground are more and more, after a period of operation, these underground pipelines will leak, and the leakage of the pipeline can be caused by many reasons, and it is difficult to be found, easy to cause energy waste, especially the water pipe buried near the sewer, the water leakage will be discharged along with the sewer, and it is impossible to be found, and a large amount of water loss of the pipeline not only causes water resource waste, but also can cause collapse accident.

[0003] Water leakage detection work needs to install a probe every 80 meters on a pipeline to accurately detect the leakage point position, and the existing valve and instrument well quantity of the underground water pipe network cannot meet the installation requirement, when the probe is installed, the point position without well needs to be excavated and backfilled, and some point positions will have repeated detection, and every time the installation carries out civil construction, so it is time-consuming and laborious, and the construction cost is high. UTILITARY MODEL

[0004] Therefore, the utility model provides an underground pipeline leakage point detection device to solve the above problems in the prior art.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme:

[0006] According to the first aspect of the utility model, an underground pipeline leakage point detection device comprises an analyzer and a plurality of detection units, and the plurality of detection units are arranged along the length direction of the underground pipeline at intervals.

[0007] The detection unit comprises a mounting pipe and an acoustic wave probe, the mounting pipe is vertically buried underground, the bottom end of the mounting pipe is connected with the pipe wall of the underground pipeline, and the top end of the mounting pipe extends to the ground; the acoustic wave probe is detachably arranged in the mounting pipe, the detection head of the acoustic wave probe is connected with the pipe wall of the underground pipeline, and the acoustic wave probe is electrically connected with the analyzer.

[0008] Further, the detection unit further comprises a pipe cap, and the pipe cap is detachably arranged at the top end of the mounting pipe.

[0009] Further, the pipe cap is screw-connected with the mounting pipe.

[0010] Further, the detection unit further comprises a signboard, and the signboard is arranged on the pipe cap.

[0011] Further, the plurality of detection units are arranged along the length direction of the underground pipeline at equal intervals.

[0012] Further, the distance between two adjacent detection units is 60m to 100m.

[0013] Further, the bottom end of the installation pipe is welded with the underground pipeline.

[0014] Further, the height of the installation pipe extending out of the ground is 0.5m to 1.0m.

[0015] Further, the pipe cap is provided with a sealing ring, and the pipe cap is sealingly connected with the installation pipe.

[0016] Further, the installation pipe is a circular pipe.

[0017] The utility model has the advantages that: through the installation pipe, after embedding and installing each installation pipe by excavating the ground once, when needing to detect whether the underground pipeline has a leakage point and confirming the position of the leakage point, only need to install the sound wave probe from each installation pipe and connect with the analyzer, can acquire and analyze the sound wave signals at different positions of the underground pipeline by the analyzer, and determine the leakage point of the underground pipeline; the whole device has simple structure and is convenient to use, does not need to repeatedly excavate the ground, and the sound wave probe is very convenient to disassemble and maintain, so that the detection cost can be effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creative labor.

[0019] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions of the implementation of the utility model, so they do not have the technical essence, any modification of structure, change of proportion relationship or adjustment of size, as long as it does not affect the effect and purpose of the utility model, it should still fall within the scope of the technical content disclosed by the utility model.

[0020] Figure 1 A structure schematic diagram of a leakage point detection device for underground pipeline in use state is provided for some embodiments of the utility model.

[0021] Figure 2 A structure schematic diagram of a leakage point detection device for underground pipeline in non-use state is provided for some embodiments of the utility model.

[0022] In the figure: 1, analyzer, 2, installation pipe, 3, acoustic wave probe, 4, underground pipeline, 5, ground, 6, pipe cap, 7, signboard. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail by the specific embodiments, and the person skilled in the art can easily understand other advantages and effects of the present application from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] Embodiment 1

[0025] As shown in Figure 1 and Figure 2 The underground pipeline leakage point detection device in the first aspect of the present application comprises an analyzer 1 and a plurality of detection units, and the plurality of detection units are arranged in the length direction of the underground pipeline 4 at intervals.

[0026] The detection unit comprises an installation pipe 2 and an acoustic wave probe 3. The installation pipe 2 is a circular pipe, is vertically buried underground, and is connected to the pipe wall of the underground pipeline 4 at the bottom end of the installation pipe 2. The top end of the installation pipe 2 extends to the ground 5. The acoustic wave probe 3 is detachably arranged in the installation pipe 2, and the detection head of the acoustic wave probe 3 is connected to the pipe wall of the underground pipeline 4. The acoustic wave probe 3 is electrically connected to the analyzer 1.

[0027] The detection principle of the whole device is as follows: when the underground pipeline leaks, as the crack further expands, the pipe wall crack increases, and the fluid is ejected at the crack due to the pressure difference to form a turbulent flow. The medium in the turbulent flow collides and rubs with the pipe wall. This signal is a continuous signal, which is acquired by the acoustic wave probe 3 and transmitted to the analyzer 1. The analyzer 1 analyzes the acoustic wave signal generated in the pipeline leakage process, judges the pipeline leakage condition, and determines the leakage point.

[0028] In the present embodiment, it should be noted that the installation pipe 2 is made of a non-magnetic steel pipe, the bottom end of the installation pipe 2 is welded to the underground pipeline 4, and the bottom end of the installation pipe 2 is sealingly connected to the underground pipeline 4, so as to prevent soil or underground water from entering the installation pipe. The height of the top end of the installation pipe 2 extending out of the ground 5 is 0.5m to 1.0m. Specifically, the height of the top end of the installation pipe 2 extending out of the ground 5 can be set to 0.5m, 0.6m, 0.8m or 1.0m.

[0029] The technical effect achieved by the embodiment is that: by arranging the installation pipe 2, after the installation pipe 2 is pre-buried and installed by excavating the ground once, when it is necessary to detect whether the underground pipeline 4 has a leakage point and to confirm the position of the leakage point, the sound wave probe 3 is only needed to be installed into each installation pipe, and connected with the analyzer 1, so that the analyzer 1 can acquire and analyze the sound wave signals at different positions of the underground pipeline 4 to determine the leakage point of the underground pipeline 4; the whole device has a simple structure and is convenient to use, does not need to repeatedly excavate the ground, and the sound wave probe 3 is very convenient to disassemble and maintain, so that the detection cost can be effectively reduced.

[0030] Embodiment 2

[0031] As shown in Figure 1 and Figure 2 , the embodiment provides another underground pipeline leakage point detection device, which has all the contents of the embodiment 1, and only different parts will be described below.

[0032] In the embodiment, the detection unit further comprises a pipe cap 6, which is detachably arranged at the top end of the installation pipe 2, and the pipe cap 6 is used to form a seal at the top of the installation pipe 2.

[0033] In the embodiment, it should be noted that the pipe cap 6 is threadedly connected with the installation pipe 2, and specifically, the top end of the installation pipe 2 is provided with external threads, and the pipe cap 6 is provided with internal threads matched with the external threads.

[0034] Further, the pipe cap 6 is provided with a sealing ring, and the pipe cap 6 is sealingly connected with the installation pipe 2.

[0035] The technical effect achieved by the embodiment is that: by arranging the pipe cap 6, when the device is not used, the pipe cap 6 can be used to form a seal at the top end of the installation pipe 2 to prevent sundries or rainwater from entering the installation pipe 2; the pipe cap 6 is provided with a sealing ring, and the sealing effect is better.

[0036] Embodiment 3

[0037] As shown in Figure 1 and Figure 2 , the embodiment provides another underground pipeline leakage point detection device, which has all the contents of the embodiment 2, and only different parts will be described below.

[0038] In the embodiment, the detection unit further comprises a signboard 7, which is arranged on the pipe cap 6.

[0039] In the embodiment, it should be noted that the signboard 7 is provided with position information of the installation pipe 2 corresponding thereto and a number of the sound wave probe 3 corresponding thereto.

[0040] The technical effect achieved by the embodiment is that the signboard 7 is arranged to correspond to the installation pipe 2 and the sound wave probe 3, so that the positions of the sound wave probes 3 can be determined conveniently during use.

[0041] Embodiment 4

[0042] As shown in Figure 1 and Figure 2 Another underground pipeline leakage point detection device is provided in the embodiment, which has the same structure as that of the embodiment 3, and only different parts are described below.

[0043] In the embodiment, the plurality of detection units are arranged at equal intervals along the length direction of the underground pipeline 4.

[0044] In the embodiment, it should be noted that the distance between the adjacent two detection units is 60m to 100m, and specifically, the distance between the adjacent two detection units is preferably 80m.

[0045] The technical effect achieved by the embodiment is that the plurality of detection units are arranged at equal intervals along the length direction of the underground pipeline 4, so that the position of the pipeline leakage point can be analyzed and confirmed conveniently.

[0046] In the description of the utility model, it should be understood that the directions or position relations indicated by the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, a specific direction structure and operation, therefore, cannot be understood as a limitation on the utility model.

[0047] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0048] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through the intermediate medium, can be the communication of two element interiors or the interaction of two elements, unless another definite limitation.For the ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0049] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled person in the art can combine and combine the features of different embodiments or examples described in the present specification without contradiction.

[0050] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model. The ordinary skilled person in the art can change, modify, replace and modify the above embodiments within the scope of the utility model.

[0051] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific method, device or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, methods, devices or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled person in the art can combine and combine the features of different embodiments or examples described in the present specification without contradiction.

[0052] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for detecting leaks in underground pipelines, characterized in that, The utility model relates to an underground pipeline detection device, which comprises an analyzer (1) and a plurality of detection units, and the plurality of detection units are arranged at intervals along the length direction of an underground pipeline (4) in sequence. The detection unit comprises a mounting pipe (2) and an acoustic wave probe (3), the mounting pipe (2) is vertically buried underground, the bottom end of the mounting pipe (2) is connected with the pipe wall of the underground pipeline (4), and the top end of the mounting pipe (2) extends to the ground (5); the acoustic wave probe (3) is detachably arranged in the mounting pipe (2), the detection head of the acoustic wave probe (3) is connected with the pipe wall of the underground pipeline (4), and the acoustic wave probe (3) is electrically connected with the analyzer (1).

2. A device for detecting a leak in an underground pipe according to claim 1, characterized in that The detection unit further comprises a pipe cap (6), which is detachably arranged at the top end of the mounting pipe (2).

3. A device for detecting a leak in an underground pipe according to claim 2, wherein The pipe cap (6) is threadedly connected with the mounting pipe (2).

4. A device for detecting a leak in an underground pipe according to claim 2, wherein The detection unit further comprises a signboard (7), which is arranged on the pipe cap (6).

5. The underground pipe leak detection apparatus according to claim 1, wherein The plurality of detection units are arranged at equal intervals along the length direction of the underground pipeline (4) in sequence.

6. A device for detecting a leak in an underground pipe according to claim 5, wherein The distance between two adjacent detection units is 60-100 m.

7. The underground pipe leak detection apparatus according to claim 1, wherein The bottom end of the mounting pipe (2) is welded with the underground pipeline (4).

8. The underground pipe leak detection apparatus of claim 1, wherein, The height of the top end of the mounting pipe (2) extending out of the ground (5) is 0.5-1.0 m.

9. A device for detecting a leak in an underground pipe according to claim 2, wherein The pipe cap (6) is sealingly connected with the mounting pipe (2).

10. The underground pipe leak detection apparatus of claim 1, wherein, The mounting pipe (2) is a circular pipe.

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