An in-wall line detection device and method

Abstract

The application discloses a wall pipeline detection device and method, relates to the technical field of pipeline detection, and comprises a detector body, further comprises a control host, a composite detection module, a posture acquisition module and a power supply module, the control host comprises a data processing module and a display module, the composite detection module comprises an electromagnetic induction detection module, an ultra-wideband radar detection module and an infrared detection module; detection signals are respectively emitted to a wall body, and echo signals reflected by pipelines in the wall body are received, and electromagnetic induction signals and infrared temperature signals are synchronously acquired; the application has the beneficial effects that a triple detection structure of radar, electromagnetic induction and infrared temperature measurement is adopted, the limitation of a traditional single detection mode is broken through, all types of pipelines in the wall, such as metal cables, metal water pipes, plastic water pipes, gas pipes and wall steel bars, can be simultaneously identified, various wall body materials, such as concrete, brick walls and ceramic tiles, are adapted, multi-mode fusion detection is adopted, and the adaptability is wide.

Description

Technical Field

[0001] This application relates to the field of pipeline detection technology, and in particular to a device and method for detecting pipelines inside walls. Background Technology

[0002] During building decoration, wall renovation, and repair construction, electrical wires, water pipes, gas pipes, steel bars, and other pipelines and structural components are usually embedded in the walls. Due to the closed and obstructed walls, construction workers cannot intuitively judge the location, direction, depth, and material of the internal pipelines. Blindly cutting grooves and drilling holes can easily cause pipeline damage, leading to safety accidents such as water leakage, electrical leakage, and gas leakage. This not only increases construction and maintenance costs but also poses a great safety hazard.

[0003] Currently, wall pipe detection equipment on the market has relatively limited functionality, with most relying solely on electromagnetic induction or radar detection principles. Electromagnetic induction detectors can only identify metallic cables and cannot detect non-metallic pipes such as plastic water pipes and gas pipes, thus limiting their detection range. While radar detectors can detect non-metallic media, they are susceptible to interference from wall hollows, sand, and gravel impurities, have poor ability to differentiate pipe materials, and struggle to accurately distinguish between water pipes, cables, and reinforced concrete structures, resulting in low detection accuracy. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a device and method for detecting pipelines inside walls. Its advantages include: the use of a triple detection structure combining radar, electromagnetic induction, and infrared temperature measurement; multi-mode fusion detection; and wide adaptability.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: a device and method for detecting pipelines inside a wall, comprising a detector body, and further comprising: a control host, a composite detection module, an attitude acquisition module, and a power supply module. The control host includes a data processing module and a display module. The composite detection module includes an electromagnetic induction detection module, an ultra-wideband radar detection module, and an infrared detection module; it transmits detection signals to the wall and receives echo signals reflected from pipelines inside the wall, and simultaneously acquires electromagnetic induction signals and infrared temperature signals. The attitude acquisition module has a built-in gyroscope and tilt sensor installed inside the detector body, used to acquire the movement trajectory, tilt angle, and position attitude data of the detection device in real time. The data processing module and the display module are electrically connected to the composite detection module and the attitude acquisition module, respectively. The data processing module is used to receive detection signals and complete signal noise reduction, data fusion, pipeline feature matching, depth calculation, and imaging processing. The display module outputs real-time visual images and parameter data of pipeline distribution. The power supply module is installed inside the detector body and provides stable operating power to all electrical modules of the device.

[0006] Preferably, the ultra-wideband radar detection module is used to emit ultra-wideband electromagnetic pulse signals, receive echo signals reflected by different media inside the wall, and obtain depth, location, and contour data of pipelines inside the wall, adapting to the detection of pipelines made of various materials such as metal, plastic, and ceramic; the electromagnetic induction detection module is used to sense the electromagnetic signals of live cables inside the wall, identify the location and direction of live lines and residual induction signals of de-energized concealed lines, and accurately distinguish power lines from other pipeline structures; the infrared detection module is used to collect temperature distribution data on the wall surface, identify water pipes and heating cables inside the wall through temperature difference characteristics, and assist in distinguishing non-metallic water pipes from hollow wall structures.

[0007] Preferably, the electromagnetic induction detection module, the ultra-wideband radar detection module, and the infrared detection module are arranged horizontally and fixedly installed at the bottom of the detector body, and a shielding plate is provided between each of the electromagnetic induction detection module, the ultra-wideband radar detection module, and the infrared detection module.

[0008] Preferably, the control host is fixedly installed at the top of the detector body.

[0009] Preferably, rollers are installed at all four corners of the detector body, and the same U-shaped push handle is hinged to both sides of the detector body.

[0010] Preferably, a detection method for a wall-mounted pipeline detection device includes the following steps: S1, Device self-test and parameter initialization: Turn on the detection device, the power supply module supplies power, and the device automatically completes the self-test of each module, initializing basic parameters such as detection sensitivity, signal sampling frequency, and depth detection threshold; S2, Wall preprocessing and detection mode selection: According to the material of the wall to be tested, select the detection mode corresponding to concrete wall, brick wall, or ceramic tile wall through the mode switching button, and attach the composite detection module to the wall surface, keeping the device horizontally attached without gaps; S3, Multi-dimensional synchronous signal acquisition: Hold the detector body and move it at a constant speed by pushing the handle. The electromagnetic induction detection module, ultra-wideband radar detection module, and infrared detection module work synchronously to collect the echo signal, electromagnetic induction signal, and temperature distribution signal inside the wall in real time, while the attitude acquisition module... S4. Signal Noise Reduction and Data Fusion: The data processing module filters and reduces noise in the collected raw signals, eliminating environmental interference, wall hollowness, and impurity interference signals. Through fusion algorithms, it integrates and matches multi-dimensional signal data to generate integrated detection data. S5. Pipeline Feature Identification and Parameter Calculation: The fused data is compared and matched with the built-in pipeline feature database to distinguish pipeline materials and types. At the same time, combined with radar echo delay data and device attitude data, the pipeline burial depth, horizontal position, and extension direction are accurately calculated. S6. Visual Imaging and Data Output: The display module renders and generates a two-dimensional distribution map of pipelines inside the wall in real time, marking pipeline type, depth, and location parameters. Areas with dense pipelines and high-risk live lines are highlighted as warnings, completing the detection operation.

[0011] Preferably, in step S6, after the detection is completed, the detection images and data can be saved with one click, supporting data playback and parameter viewing. At the same time, avoidance construction route prompts can be generated to guide wall grooving and drilling operations to avoid pipeline areas.

[0012] Compared with the prior art, the beneficial effects of this application are as follows: (1) This application adopts a triple detection structure of radar, electromagnetic induction and infrared temperature measurement, which breaks through the limitations of traditional single detection mode. It can simultaneously identify all types of pipes in the wall, such as metal cables, metal water pipes, plastic water pipes, gas pipes, and wall steel bars. It is compatible with various wall materials such as concrete, brick walls, and ceramic tiles. It has multi-mode fusion detection and wide adaptability. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0014] In the diagram: 1. Detector body; 2. Electromagnetic induction detection module; 3. Control host; 4. Ultra-wideband radar detection module; 5. Infrared detection module; 6. Roller; 7. Push handle. Detailed Implementation

[0015] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0016] In the description of this application, it should be noted that the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., which indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of this application.

[0017] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0018] Example One preferred embodiment of this application, such as Figure 1 As shown, a device and method for detecting pipelines inside a wall includes: a detector body 1, and further includes: a control host 3, a composite detection module, an attitude acquisition module, and a power supply module. The control host 3 includes a data processing module and a display module. The composite detection module includes an electromagnetic induction detection module 2, an ultra-wideband radar detection module 4, and an infrared detection module 5. It transmits detection signals to the wall and receives echo signals reflected from the pipelines inside the wall, simultaneously acquiring electromagnetic induction signals and infrared temperature signals. The attitude acquisition module, which incorporates a gyroscope and a tilt sensor, is installed inside the detector body 1 and is used to acquire the movement trajectory, tilt angle, and position attitude data of the detection device in real time. The data processing module and the display module are electrically connected to the composite detection module and the attitude acquisition module, respectively. The data processing module receives the detection signals and performs signal noise reduction, data fusion, pipeline feature matching, depth calculation, and imaging processing. The display module outputs real-time visual images and parameter data of the pipeline distribution. The power supply module, installed inside the detector body 1, provides stable power to all electrical modules of the device.

[0019] In the composite detection module, the ultra-wideband radar detection module 4 uses a 6GHz wideband pulse radar chip with a detection depth of 0-300mm, which is suitable for the thickness of conventional building walls; the electromagnetic induction detection module 2 uses a high-sensitivity induction coil, which can identify the induction signals of live cables and power-off hidden wires within a depth of 0-200mm; the infrared detection module 5 has a temperature measurement accuracy of ±0.1℃, which can accurately capture small temperature differences in the wall and identify pre-buried water pipes.

[0020] The attitude acquisition module incorporates a six-axis gyroscope and tilt sensor, with a sampling frequency of 150Hz, enabling real-time recording of the device's movement speed, trajectory, and tilt angle, thus avoiding detection errors caused by manual hand-held movement. The data processing and display modules utilize a 2.8-inch high-definition touchscreen, displaying detection images and data in real time. A built-in high-speed processing chip allows for rapid signal processing and image rendering. The power supply module uses a 3.7V rechargeable lithium battery, providing up to 8 hours of continuous operation on a full charge, meeting the needs of extended field work.

[0021] Furthermore, the ultra-wideband radar detection module 4 is used to emit ultra-wideband electromagnetic pulse signals and receive echo signals reflected by different media inside the wall to obtain the depth, location, and contour data of pipelines inside the wall, adapting to the detection of pipelines made of various materials such as metal, plastic, and ceramic; the electromagnetic induction detection module 2 is used to sense the electromagnetic signals of live cables inside the wall, identify the location and direction of live lines and residual induction signals of de-energized concealed lines, and accurately distinguish power lines from other pipeline structures; the infrared detection module 5 is used to collect temperature distribution data on the wall surface, identify water pipes and heating cables inside the wall through temperature difference characteristics, and assist in distinguishing non-metallic water pipes from hollow wall structures. The electromagnetic induction detection module 2, ultra-wideband radar detection module 4, and infrared detection module 5 are arranged horizontally and fixedly installed at the bottom of the detector body 1, with shielding plates installed between adjacent electromagnetic induction detection module 2, ultra-wideband radar detection module 4, and infrared detection module 5. The control host 3 is fixedly installed on the top of the detector body 1. Rollers 6 are installed at the four corners of the detector body 1. The same U-shaped push handle 7 is hinged to both sides of the detector body 1.

[0022] A method for detecting in-wall pipelines includes the following steps: S1. Equipment self-test and parameter initialization: Turn on the detection device, the power supply module supplies power, the device automatically completes the self-test of each module, and initializes basic parameters such as detection sensitivity, signal sampling frequency, and depth detection threshold; S2. Wall pretreatment and detection mode selection: According to the wall material to be tested, select the corresponding detection mode for concrete wall, brick wall, and ceramic tile wall through the mode switching button, and attach the composite detection module to the wall surface, keeping the device horizontal and without gaps. S3. Multi-dimensional synchronous signal acquisition: The handheld detector body 1 is moved at a constant speed by the push handle 7. The electromagnetic induction detection module 2, the ultra-wideband radar detection module 4 and the infrared detection module 5 work synchronously to collect the echo signal, electromagnetic induction signal and temperature distribution signal inside the wall in real time. At the same time, the attitude acquisition module records the device's movement trajectory and attitude data in real time. S4. Signal noise reduction and data fusion: The data processing module filters and reduces noise in the collected raw signals, eliminating environmental interference, wall hollowness, and impurity interference signals. Through the fusion algorithm, it integrates and matches multi-dimensional signal data to generate integrated detection data. S5. Pipeline feature identification and parameter calculation: The fused data is compared and matched with the built-in pipeline feature database to distinguish the pipeline material and type. At the same time, combined with radar echo delay data and device attitude data, the pipeline burial depth, horizontal position and extension direction are accurately calculated. S6. Visual Imaging and Data Output: The display module generates a two-dimensional distribution map of pipelines inside the wall in real time, marking pipeline type, depth, and location parameters. It highlights and warns areas with dense pipelines and high-risk live lines to complete the detection operation.

[0023] In step S6, after the detection is completed, the detection images and data can be saved with one click. Data playback and parameter viewing are supported. At the same time, avoidance construction route prompts can be generated to guide wall grooving and drilling operations to avoid pipeline areas.

[0024] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A wall-mounted pipeline detection device, comprising a detector body (1), characterized in that, Also includes: The control host (3), composite detection module, attitude acquisition module and power supply module, the control host (3) includes a data processing module and a display module, the composite detection module includes an electromagnetic induction detection module (2), an ultra-wideband radar detection module (4) and an infrared detection module (5); respectively transmit detection signals to the wall and receive the echo signals reflected by the pipeline inside the wall, and simultaneously acquire electromagnetic induction signals and infrared temperature signals; The attitude acquisition module has a built-in gyroscope and tilt sensor installed inside the detector body (1) to collect the movement trajectory, tilt angle and position attitude data of the detection device in real time. The data processing module and the display module are electrically connected to the composite detection module and the attitude acquisition module, respectively. The data processing module is used to receive the detection signal and complete signal noise reduction, data fusion, pipeline feature matching, depth calculation and imaging processing. The display module outputs pipeline distribution images and parameter data in real time. The power supply module is installed inside the detector body (1) and provides a stable power supply for all electrical modules of the device.

2. The in-wall pipeline detection device as described in claim 1, characterized in that, The ultra-wideband radar detection module (4) is used to transmit ultra-wideband electromagnetic pulse signals, receive echo signals reflected by different media inside the wall, obtain depth, position and contour data of pipelines inside the wall, and is compatible with the detection of pipelines of various materials such as metal, plastic and ceramic. The electromagnetic induction detection module (2) is used to sense the electromagnetic signals of live cables inside the wall, identify the location and direction of the live line and the residual induction signal of the de-energized dark line, and accurately distinguish the power line from other pipeline structures. The infrared detection module (5) is used to collect temperature distribution data on the wall surface, identify water pipes and heating cables inside the wall through temperature difference characteristics, and help distinguish between non-metallic water pipes and hollow wall structures.

3. The in-wall pipeline detection device as described in claim 2, characterized in that, The electromagnetic induction detection module (2), the ultra-wideband radar detection module (4) and the infrared detection module (5) are arranged horizontally and fixedly installed at the bottom of the detector body (1). Shielding plates are provided between adjacent electromagnetic induction detection module (2), ultra-wideband radar detection module (4) and infrared detection module (5).

4. The in-wall pipeline detection device as described in claim 3, characterized in that, The control host (3) is fixedly installed on the top of the detector body (1).

5. The in-wall pipeline detection device as described in claim 4, characterized in that, Rollers (6) are installed at all four corners of the detector body (1), and the same U-shaped push handle (7) is hinged to both sides of the detector body (1).

6. The detection method of the in-wall pipeline detection device as described in claim 5, characterized in that, Includes the following steps: S1. Equipment self-test and parameter initialization: Turn on the detection device, the power supply module supplies power, the device automatically completes the self-test of each module, and initializes basic parameters such as detection sensitivity, signal sampling frequency, and depth detection threshold; S2. Wall pretreatment and detection mode selection: According to the wall material to be tested, select the corresponding detection mode for concrete wall, brick wall, and ceramic tile wall through the mode switching button, and attach the composite detection module to the wall surface, keeping the device horizontal and without gaps. S3. Multi-dimensional synchronous signal acquisition: The handheld detector body (1) moves at a constant speed by pushing the handle (7). The electromagnetic induction detection module (2), the ultra-wideband radar detection module (4) and the infrared detection module (5) work synchronously to collect the echo signal, electromagnetic induction signal and temperature distribution signal inside the wall in real time. At the same time, the attitude acquisition module records the device's movement trajectory and attitude data in real time. S4. Signal noise reduction and data fusion: The data processing module filters and reduces noise in the collected raw signals, eliminating environmental interference, wall hollowness, and impurity interference signals. Through the fusion algorithm, it integrates and matches multi-dimensional signal data to generate integrated detection data. S5. Pipeline feature identification and parameter calculation: The fused data is compared and matched with the built-in pipeline feature database to distinguish the pipeline material and type. At the same time, combined with radar echo delay data and device attitude data, the pipeline burial depth, horizontal position and extension direction are accurately calculated. S6. Visual Imaging and Data Output: The display module generates a two-dimensional distribution map of pipelines inside the wall in real time, marking pipeline type, depth, and location parameters. It highlights and warns areas with dense pipelines and high-risk live lines to complete the detection operation.

7. The detection method of the in-wall pipeline detection device as described in claim 6, characterized in that, In step S6, after the detection is completed, the detection images and data can be saved with one click. Data playback and parameter viewing are supported. At the same time, avoidance construction route prompts can be generated to guide wall grooving and drilling operations to avoid pipeline areas.

Images