Water supply network leak detection device and method

Abstract

The present invention provides a water supply network leak detection device and method, the device includes a walking mechanism, the walking mechanism includes a shell, a plurality of walking units arranged on the shell, and a plurality of ultrasonic detection units arranged on the side wall of the shell, and a controller and a GPS positioning unit and a data processor connected to the controller are also arranged inside the shell; the walking unit includes a support arm, a hub motor installed on the support arm, and a tire arranged outside the hub motor, a notch is arranged on the shell, the support arm is located in the notch, and one end of the support arm away from the hub motor is hinged to a mounting plate fixedly arranged in the shell, and an elastic member is arranged between the support arms in the plurality of walking units, and under the action of the elastic member, the hub motor moves toward the inner wall of the water supply pipe to be detected and is in close contact with the inner wall of the water supply pipe. In actual use, the present invention can realize the leakage point detection of underground pre-buried water supply pipes, can improve the efficiency of leakage point detection, and quickly locate the leakage point.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline detection, and in particular to a water supply network leakage detection device and method. Background Art

[0002] In pipeline network leak detection, leak detection devices are usually used to detect whether there are leaks. Leak detection devices are also called ultrasonic leak detectors. During the mobile scanning process, the sensor detects the leakage signal, converts them into audio signals that can be heard by the human ear, and displays them on the display screen at the same time. Ultrasonic leak detectors can check the leakage of air, gas, liquid and other pipelines and various equipment.

[0003] The utility model with announcement number: CN210637819U discloses a water supply network leak detection device, including a shell, a detection port is provided at one end of the shell, an ultrasonic detector and an ultrasonic generator are provided in the detection port, a measuring switch and a display screen are provided on the surface of the shell, a controller is provided in the shell, and the ultrasonic detector, the ultrasonic generator, the measuring switch and the display screen are respectively electrically connected to the controller; an extension section is provided at the other end of the shell, a grip section is slidably sleeved on the extension section, at least one fixing hole is opened on the extension section along its length direction, and a fixing piece whose end can be threadedly connected in the fixing hole is inserted on the grip section. The utility model has the characteristics of high convenience in use.

[0004] The utility model with announcement number: CN218599482U discloses a water supply network leak detection device, which relates to the technical field of water supply network leak detection, including a detector body, the ground of the detector body is symmetrically provided with support rods, the top of the support rods is rotatably connected to the detector body, and an electric drive wheel is provided on the opposite side of the bottom end. First, the support rod is opened by an adjustment mechanism, and then the support rod is clamped to the pipe body to be detected by the adjustment mechanism, so that the support rod holds the pipe body to be detected, and the installation of the detector body on the pipe body to be detected is completed. Then, the electric drive wheel rolls after power is supplied, driving the support rod and the detector body to move on the pipe body to be detected, so as to realize automatic detection of the pipe body. When encountering a pipe connection, the opening degree of the support rod can be adjusted by the adjustment mechanism so that the electric drive wheel can pass over the pipe diameter change position to realize barrier-free passage, which is very suitable for pipe leak detection in high places and dangerous areas.

[0005] In the prior art, leak detection for water pipes is mostly performed on the surface of the pipes, and there is a lack of leak detection devices for underground pre-buried pipes. After a leak occurs, the soil on the pipe needs to be dug up for leak detection, which makes leak detection time-consuming, labor-intensive, and inefficient. Summary of the invention

[0006] The purpose of the present invention is to provide a water supply pipe network leak detection device and method, which can realize the leakage point detection of underground pre-buried water supply pipes in actual use, can improve the efficiency of leakage point detection, and quickly locate the leakage point.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] A water supply network leak detection device comprises a walking mechanism, the walking mechanism comprises a shell, a plurality of walking units arranged on the shell, and a plurality of ultrasonic detection units arranged on the side wall of the shell, and a controller and a GPS positioning unit and a data processor connected to the controller are also arranged inside the shell;

[0009] The walking unit includes a support arm, a hub motor installed on the support arm, and a tire arranged on the outside of the hub motor. A notch is arranged on the shell, and the support arm is located in the notch. The support arm is hinged to a mounting plate fixedly arranged in the shell at one end away from the hub motor. An elastic member is arranged between the support arms in several walking units. Under the action of the elastic member, the hub motor moves toward the inner wall of the water supply pipe to be detected and is in close contact with the inner wall of the water supply pipe.

[0010] Furthermore, the controller is connected to a cloud platform, and the cloud platform is connected to the operation terminal.

[0011] Wherein, a camera is arranged at the end of the shell, and the camera is connected to the controller.

[0012] Further optimization is provided in that an illuminating lamp is arranged at the end of the shell.

[0013] In actual use, there are a plurality of illuminating lamps which are arranged tilted toward the radial direction of the housing.

[0014] It is further defined that the elastic member is a supporting spring.

[0015] Further optimization is performed by arranging a battery in the shell.

[0016] Furthermore, a foldable telescopic cover is provided at the notch, and the foldable telescopic cover is fixedly connected to the support arm.

[0017] In addition, the present invention also discloses a water supply network leak detection method, including using the water supply network leak detection device described above, and the specific method is as follows:

[0018] The water supply network leak detection device is placed in the water supply pipe to be detected, and the tire on the hub motor is in close contact with the inner wall of the water supply pipe under the action of the elastic member;

[0019] The hub motor drives the shell to be transported and moved inside the water supply pipe. During the movement, the inner wall of the water supply pipe is detected by the ultrasonic detection unit, and the real-time positioning is performed by the GPS positioning unit.

[0020] When an abnormality is detected, the location of the abnormal signal can be confirmed based on the GPS positioning unit.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] In actual use, the present invention places the water supply network leak detection device in the water supply pipe to be detected, and under the action of the elastic member, the tire on the hub motor is in close contact with the inner wall of the water supply pipe; the hub motor is rotated to drive the shell to be transported and moved inside the water supply pipe, and the inner wall of the water supply pipe is detected by the ultrasonic detection unit during the movement, and the real-time positioning is performed by the GPS positioning unit; when an abnormality is detected, the abnormal signal position can be confirmed according to the GPS positioning unit. The present invention is mainly used to realize the leakage detection of underground pre-buried pipelines, and can realize the leakage point detection and the accurate positioning of the leakage point; at the same time, under the action of the elastic member, the tire on the outside of the hub motor is in close contact with the inner wall of the water supply pipe, so that the device as a whole can move stably in the water supply pipe to avoid slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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 embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a schematic structural diagram of the water supply network leak detection device of the present invention.

[0025] Figure 2 It is a schematic diagram of the internal structure of the water supply pipe network leak detection device of the present invention.

[0026] Figure 3 This is a schematic diagram of the use status of the present invention.

[0027] Figure 4 For the present invention Figure 2 A partial enlarged schematic diagram in the middle.

[0028] Reference numerals:

[0029] 101 walking mechanism, 102 ultrasonic detection unit, 103 shell, 104 walking unit, 105 controller, 106 GPS positioning unit, 107 data processor, 108 support arm, 109 hub motor, 110 tire, 111 notch, 112 elastic member, 113 camera, 114 lighting lamp, 115 battery, 116 foldable telescopic cover, 117 cleaning component, 118 motor, 119 shaft, 120 scraper, 121 installation groove, 122 support component, 123 placement groove, 124 mounting seat, 125 roller, 126 tension spring, 127 electromagnet, 128 iron core, 129 water supply pipe. DETAILED DESCRIPTION

[0030] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0031] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0034] In the embodiments of the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] The disclosure below provides many different embodiments or examples to implement different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present invention. In addition, the embodiments of the present invention can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0036] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1-Figure 4 The present embodiment discloses a water supply network leak detection device, including a walking mechanism 101, the walking mechanism 101 includes a shell 103, a plurality of walking units 104 arranged on the shell 103, and a plurality of ultrasonic detection units 102 arranged on the side wall of the shell 103, and the shell 103 is also provided with a controller 105 and a GPS positioning unit 106 and a data processor 107 connected to the controller 105; the ultrasonic detection unit 102 is connected to the controller 105, and the data processor 107 is used to analyze the abnormal signal detected by the ultrasonic detection unit 102;

[0038] The walking unit 104 includes a support arm 108, a hub motor 109 installed on the support arm 108, and a tire 110 arranged on the outside of the hub motor 109. A notch 111 is provided on the shell, and the support arm 108 is located in the notch 111. The end of the support arm 108 away from the hub motor 109 is hinged to a mounting plate fixed in the shell. An elastic member 112 is provided between the support arms 108 in the walking units 104. Under the action of the elastic member 112, the hub motor 109 moves toward the inner wall of the water supply pipe 129 to be detected and is in close contact with the inner wall of the water supply pipe 129.

[0039] In actual use, the present invention places the water supply pipe 129 net leak detection device in the water supply pipe 129 to be detected, and under the action of the elastic member 112, the tire 110 on the hub motor 109 is in close contact with the inner wall of the water supply pipe 129; the hub motor 109 rotates to drive the shell to be transported and moved inside the water supply pipe 129, and during the movement, the inner wall of the water supply pipe 129 is detected by the ultrasonic detection unit 102, and real-time positioning is performed by the GPS positioning unit 106; when an abnormality is detected, the abnormal signal position can be confirmed according to the GPS positioning unit 106. The present invention is mainly used to realize the leakage detection of underground pre-buried pipelines, and can realize the leakage point detection and the accurate positioning of the leakage point; at the same time, under the action of the elastic member 112, the tire 110 outside the hub motor 109 is in close contact with the inner wall of the water supply pipe 129, so that the device as a whole can move stably in the water supply pipe 129, avoiding slipping, and ensuring stability during operation.

[0040] Furthermore, in actual use, the controller 105 is connected to a cloud platform, and the cloud platform is connected to an operation terminal, which can be more convenient during operation.

[0041] Among them, in some preferred implementation cases, a camera 113 is provided at the end of the shell, and the camera 113 is connected to the controller 105. The camera 113 can obtain a real-time image of the inner wall of the water supply pipe 129 in real time, which is convenient for checking the inner wall of the water supply pipe 129.

[0042] Further, the end of the shell is provided with a lighting lamp 114. There are a plurality of lighting lamps 114 and they are arranged tilted toward the radial direction of the shell. The lighting lamps 114 can make the view inside the water supply pipe 129 clearer and improve the clarity of the acquired picture.

[0043] Furthermore, the elastic member 112 is a supporting spring.

[0044] Among them, the storage battery 115 is arranged in the shell, and there is no need to arrange external wires, which improves the convenience during use.

[0045] Further, in some preferred implementation cases, a foldable telescopic cover 116 is provided at the notch 111, and the foldable telescopic cover 116 is fixedly connected to the support arm 108. The foldable telescopic cover 116 can be provided to isolate the outside from the inside of the housing.

[0046] This embodiment also discloses a water supply network leak detection method, the specific method is as follows:

[0047] The water supply pipe 129 net leak detection device is placed in the water supply pipe 129 to be detected, and under the action of the elastic member 112, the tire 110 on the hub motor 109 is in close contact with the inner wall of the water supply pipe 129;

[0048] The hub motor 109 is rotated to drive the housing to be transported and moved inside the water supply pipe 129. During the movement, the inner wall of the water supply pipe 129 is detected by the ultrasonic detection unit 102, and the real-time positioning is performed by the GPS positioning unit 106.

[0049] When an abnormality is detected, the abnormal signal location can be confirmed based on the GPS positioning unit 106 .

[0050] In some preferred implementation cases, a cleaning component 117 is provided at the end of the shell, and the cleaning component 117 can clean the inner wall of the water supply pipe 129.

[0051] When conducting leak detection, the water supply pipe 129 mesh leak detection device is placed in the water supply pipe 129 and the inner wall of the pipe is preliminarily cleaned through the provided cleaning assembly 117; after cleaning, water is passed to remove the internal debris, and then the water supply pipe 129 mesh leak detection device is placed in the water supply pipe 129 again to detect the leak position, which can improve the accuracy of the detection results and also realize the cleaning of the inner wall of the pipe.

[0052] Among them, the cleaning component 117 includes a motor 118, a rotating shaft 119 and a scraper 120. The motor 118 is installed on the shell, the rotating shaft 119 is connected to the output end of the motor 118, and the scraper 120 is arranged on the rotating shaft 119. After the scraper 120 contacts the inner wall of the water supply pipe 129, the debris on the inner wall of the water supply pipe 129 can be removed to achieve the cleaning of the inner wall of the water supply pipe 129.

[0053] Furthermore, in actual use, a mounting groove 121 is provided on the side of the shell, a support assembly 122 is movably provided in the mounting groove 121 , and the ultrasonic detection unit 102 is installed on the support assembly 122 .

[0054] The support assembly 122 includes a mounting seat 124, a roller 125 and a tension spring 126. The mounting seat 124 is a T-shaped structure as a whole. A placement groove 123 is provided on the mounting seat 124. The ultrasonic detection unit 102 is arranged in the placement groove 123. The mounting seat 124 is slidably arranged in the mounting groove 121. The mounting seat 124 passes through the shell and extends to the inside of the shell. The tension spring 126 is sleeved on the mounting seat 124. The upper end of the tension spring 126 is connected to the shell, and the lower end is connected to the mounting seat 124. An iron core 128 is provided at the lower end of the mounting seat 124. An electromagnet 127 is arranged in the body; the roller 125 is arranged on the mounting seat 124. In actual use, the electromagnet 127 adsorbs the iron core 128, and the mounting seat 124 is located in the mounting groove 121. When the electromagnet 127 is powered off, under the action of the tension spring 126, the mounting seat 124 moves toward the water supply pipe 129, so that the roller 125 contacts the inner wall of the water supply pipe 129 to ensure that the ultrasonic detection unit 102 can always maintain a preset distance from the inner wall of the water supply pipe 129, thereby effectively improving the accuracy of the detection result.

[0055] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water supply network leak detection device, comprising a walking mechanism, characterized in that: The walking mechanism includes a housing, a plurality of walking units arranged on the housing, and a plurality of ultrasonic detection units arranged on the side wall of the housing. A controller, a GPS positioning unit connected to the controller, and a data processor are also arranged inside the housing. The walking unit includes a support arm, a hub motor installed on the support arm, and a tire arranged on the outside of the hub motor. A notch is arranged on the shell, and the support arm is located in the notch. The support arm is hinged to a mounting plate fixedly arranged in the shell at one end away from the hub motor. An elastic member is arranged between the support arms in several walking units. Under the action of the elastic member, the hub motor moves toward the inner wall of the water supply pipe to be detected and is in close contact with the inner wall of the water supply pipe.

2. A water supply network leak detection device according to claim 1, characterized in that: The controller is connected to a cloud platform, and the cloud platform is connected to an operation terminal.

3. A water supply network leak detection device according to claim 1, characterized in that: A camera is arranged at the end of the shell, and the camera is connected to the controller.

4. A water supply network leak detection device according to claim 3, characterized in that: An illuminating lamp is arranged at the end of the shell.

5. A water supply network leak detection device according to claim 4, characterized in that: There are a plurality of illuminating lamps which are arranged tilted toward the radial direction of the housing.

6. A water supply network leak detection device according to any one of claims 1 to 5, characterized in that: The elastic member is a supporting spring.

7. A water supply network leak detection device according to claim 4, characterized in that: A storage battery is arranged in the shell.

8. A water supply network leak detection device according to claim 4, characterized in that: A foldable telescopic cover is arranged at the notch, and the foldable telescopic cover is fixedly connected to the support arm.

9. A method for detecting leaks in a water supply network, characterized in that: The method comprises using the water supply network leak detection device according to any one of claims 1 to 8, and the specific method is as follows: The water supply network leak detection device is placed in the water supply pipe to be detected, and the tire on the hub motor is in close contact with the inner wall of the water supply pipe under the action of the elastic member; The hub motor drives the shell to be transported and moved inside the water supply pipe. During the movement, the inner wall of the water supply pipe is detected by the ultrasonic detection unit, and the real-time positioning is performed by the GPS positioning unit. When an abnormality is detected, the location of the abnormal signal can be confirmed based on the GPS positioning unit.

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