Tunnel lining void disease detection system

Abstract

The utility model discloses a tunnel lining void disease detection system, and relates to the technical field of tunnel lining disease detection, and the main points of the technical scheme are that the system comprises a tunnel lining void disease audio library which is used for providing a disease audio generated by knocking a tunnel lining with void diseases; the tunnel lining automatic knocking device is used for automatically hammering the surface of the tunnel lining to be detected so as to generate knocking sound; the audio collector is connected with the tunnel lining automatic knocking device and is used for collecting detection audio generated by knocking the surface of the tunnel lining; and the controller is connected with the audio collector and the tunnel lining void disease audio library, and is used for receiving the knocking sound and the disease sound and obtaining a result whether the knocking sound has the disease sound or not. Whether the tunnel lining has the defects or not is automatically detected, operation is easy, the detection speed is high, nondestructive detection and accurate detection are achieved, and the effect of improving the detection capacity and the detection precision is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel lining disease detection, in particular to a tunnel lining hollow disease detection system. Background Art

[0002] This section is intended to provide a background or context to the embodiments recited in the claims. No admission is made that the description herein is prior art by inclusion in this section.

[0003] In the prior art, the quality inspection methods in tunnel projects mainly include mechanical damage inspection and non-destructive inspection. Mechanical damage inspection usually uses core drilling, which can obtain quality information more intuitively, but it will cause damage to the lining structure and even destroy the tunnel waterproofing system; at the same time, the drilling inspection area is small, the test results are accidental, and cannot fully reflect the overall quality status of the tunnel, and the inspection accuracy is poor. Non-destructive inspection requires professional technicians to manually knock on the tunnel lining position, and use the sound generated by manual knocking on the tunnel lining to use the sound to identify whether the tunnel lining is hollow. However, the manual knocking detection method requires manual knocking, and there are problems such as misjudgment and missed judgment, which affects the detection accuracy. Summary of the invention

[0004] In view of the above technical problems, the utility model creates a tunnel lining void disease detection system, which automatically detects whether the tunnel lining has defects. It is not only simple to operate and has a fast detection speed, but also can achieve non-destructive and accurate detection, and has the effect of improving detection capabilities and detection accuracy.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows:

[0006] A tunnel lining void disease detection system is provided, comprising:

[0007] Tunnel lining hollow disease audio library, used to provide the sound of tunnel lining with hollow disease produced by knocking;

[0008] The tunnel lining automatic knocking device is used to automatically hammer the surface of the tunnel lining to be inspected to produce a knocking sound;

[0009] An audio collector connected to the automatic knocking device for the tunnel lining is used to collect the detection audio generated by knocking on the surface of the tunnel lining;

[0010] And a controller connected to the audio collector and the tunnel lining hollow disease audio library, the controller is used to receive the knocking sound and the disease sound, and obtain the result of whether the knocking sound contains the disease sound.

[0011] In some embodiments, it also includes a tunnel lining hollow disease simulation device for simulating and generating hollow disease audio data of tunnel linings with different design parameters; the tunnel lining hollow disease simulation device is connected to a tunnel lining hollow disease audio library to save the simulated hollow disease audio data into the tunnel lining hollow disease audio library.

[0012] In some embodiments, the tunnel lining hollow disease simulation device includes a plurality of hollow disease simulators that simulate tunnel lining hollowing; each of the hollow disease simulators has a different type, size and depth to generate tunnel lining hollow disease audio data with different parameters when struck.

[0013] In some embodiments, the controller includes a feature recognition module and an output module. The feature recognition module is used to identify whether the detection audio contains features associated with the disease audio and form a recognition result; the input end of the output module is connected to the output end of the feature recognition module, and the output end is connected to the input end of the tunnel lining void disease audio library, for receiving the recognition result and sending it to the tunnel lining void disease audio library for storage.

[0014] In some embodiments, the automatic hammering device for tunnel lining includes a support rod, a mounting seat arranged at the end of the support rod, and an electric hammer head assembly arranged in the mounting seat; the electric hammer head assembly is connected to and controlled by a controller, and is used to pass through the mounting seat and hammer the tunnel lining when powered on; the audio collector is installed at the position where the electric hammer head assembly passes through the mounting seat.

[0015] In some embodiments, the electric hammer assembly includes a tubular electromagnet, a movable hammer head arranged in the tubular electromagnet, and a reset spring connected to the movable hammer head; the tubular electromagnet is installed in a mounting seat, and an active cavity is formed inside; the movable hammer head shuttles in the active cavity, and passes out of the mounting seat when the tubular electromagnet is energized; the two ends of the reset spring are respectively connected to the outer side of one end of the tubular electromagnet and the end of the movable hammer head, so that the movable hammer head is compressed and deformed when passing out of the mounting seat to generate a reset elastic force.

[0016] In some embodiments, an elastic hammer is fixed to one end of the movable hammer away from the return spring so as to elastically impact the tunnel lining through the elastic hammer.

[0017] In some embodiments, a battery compartment is provided inside the support rod; a battery connected to the electric hammer head assembly is installed in the battery compartment to provide electrical energy to the electric hammer head assembly.

[0018] In some embodiments, a wireless communication module is also installed on the mounting base, and the wireless communication module is used to wirelessly connect the audio collector to the wireless controller to facilitate the transmission of audio signals.

[0019] In some embodiments, the support rod includes a telescopic rod whose length can be adjusted and a connecting seat connected to the telescopic rod; the connecting seat is connected to the mounting seat through the connecting rod.

[0020] Compared with the prior art, one or more embodiments of the above scheme may have the following advantages or beneficial effects:

[0021] The present application provides a tunnel lining void disease detection system, which automatically knocks on the tunnel lining surface to be detected by an automatic tunnel lining knocking device to generate a knocking sound, so that an audio collector collects the knocking detection audio and sends it to a controller. The controller compares the disease audio in a tunnel lining void disease audio library to identify whether there is a disease sound in the detection audio, thereby automatically detecting whether the tunnel lining has a disease. Not only is the operation simple and the detection speed fast, but it also achieves non-destructive and accurate detection, and has the effect of improving the detection capability and detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0023] Figure 1 This is a schematic diagram of the connection relationship between various components of a tunnel lining void disease detection system in this embodiment;

[0024] Figure 2 This is a schematic diagram of an exemplary structure of the automatic tapping device for tunnel lining in this embodiment;

[0025] Figure 3 For this embodiment Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 4 Schematic diagram of the connection relationship between various modules in the controller in this embodiment.

[0027] Figure numerals: 1. Tunnel lining hollow disease audio library; 2. Tunnel lining automatic knocking device; 21. Support rod; 211. Telescopic rod; 212. Connecting seat; 213. Connecting rod; 2131. Battery compartment; 22. Mounting seat; 23. Electric hammer head assembly; 231. Tubular electromagnet; 232. Moving hammer head; 2321. Elastic hammer head; 233. Reset spring; 24. Battery; 25. Wireless communication module; 3. Audio collector; 4. Controller; 41. Feature recognition module; 42. Output module; 5. Tunnel lining hollow disease simulation device. DETAILED DESCRIPTION

[0028] The present disclosure is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0029] The utility model discloses a tunnel lining hollow disease detection system. Figure 1 As shown, it includes a tunnel lining hollow disease simulation device 5, a tunnel lining hollow disease simulation device 5, a tunnel lining hollow disease audio library 1, a tunnel lining automatic knocking device 2, an audio collector 3 and a controller 4. Among them, the tunnel lining hollow disease simulation device 5 is connected to the tunnel lining hollow disease audio library 1 to save the simulated hollow disease audio data into the tunnel lining hollow disease audio library 1; the audio collector 3 is connected to the tunnel lining automatic knocking device 2 to collect the detection audio generated by knocking on the tunnel lining surface and send it to the controller 4. The controller 4 is connected to the audio collector 3 and the tunnel lining hollow disease audio library 1 to receive the knocking sound and the disease sound, and obtain the result of whether the knocking sound contains the disease sound. The controller 4 is combined with the disease audio of the tunnel lining hollow disease audio library 1 for comparison, and it is identified whether there is a disease sound in the detection audio, so as to automatically detect whether the tunnel lining has a disease, which is not only simple to operate and fast in detection speed, but also can achieve non-destructive detection and accurate detection, and has the effect of improving detection ability and detection accuracy.

[0030] Furthermore, the tunnel lining hollow disease audio library 1 is used to provide the disease sound produced by knocking the tunnel lining with hollow disease. In this embodiment, the tunnel lining hollow disease audio library 1 is also connected to the audio collector 3 through a wireless network, and can save the collected detection audio, so that when the controller 4 determines that the detection audio has a disease sound, the detection audio can be recorded in the tunnel lining hollow disease audio library 1, so as to facilitate the subsequent identification of other tunnels. When identifying other tunnels in the future, not only the simulated disease audio but also the disease audio of the actual disease is recorded, enriching the tunnel lining hollow disease audio library 1 and improving the accuracy of subsequent identification of other tunnels.

[0031] Furthermore, the automatic knocking device 2 for tunnel lining is used for automatically hammering the surface of the tunnel lining to be inspected to produce knocking sounds; in this embodiment, the automatic knocking device 2 for tunnel lining can enter the tunnel to automatically knock on the tunnel lining, and at the same time, the automatic knocking device 2 for tunnel lining can be placed in a tunnel lining void disease simulation device 5 to automatically knock on it, thereby generating simulated void disease audio data, which can be conveniently stored in the tunnel lining void disease audio library 1 for use.

[0032] In some embodiments, the tunnel lining hollow disease simulation device 5 is used to simulate and generate audio data of tunnel lining hollow disease with different design parameters; specifically, the tunnel lining hollow disease simulation device 5 includes a plurality of hollow disease simulators for simulating tunnel lining hollowing; each hollow disease simulator has a different type, size and depth, so as to generate tunnel lining hollow disease audio data with different parameters when knocked, and when the hollow disease simulator is knocked, the tunnel lining automatic knocking device 2 can be used to knock to ensure the consistency of the knocking force; at the same time, when the tunnel lining automatic knocking device 2 is used to knock the tunnel lining hollow disease simulation device 5 to generate hollow disease audio data, the audio can be transmitted to the tunnel lining hollow disease audio library 1 through the audio collector 3 for storage and use, that is, the tunnel lining hollow disease simulation device 5 forms an audio data transmission connection with the tunnel lining hollow disease audio library 1 through the audio collector 3.

[0033] In some embodiments, Figure 2 As shown, the automatic knocking device 2 for tunnel lining includes a support rod 21, a mounting seat 22 disposed at the end of the support rod 21, and an electric hammer assembly 23 disposed in the mounting seat 22; the electric hammer assembly 23 is connected to and controlled by a controller 4, and is used to pass through the mounting seat 22 and hammer the tunnel lining when powered on; the audio collector 3 is installed at the position where the electric hammer assembly 23 passes through the mounting seat 22. By extending the support rod 21 into the tunnel lining, the electric hammer assembly 23 is powered on to automatically hammer the tunnel lining position, thereby realizing automatic knocking without manual knocking.

[0034] like Figure 2 and Figure 3 As shown, further, the electric hammer head assembly 23 includes a tubular electromagnet 231, a movable hammer head 232 arranged in the tubular electromagnet 231, and a reset spring 233 connected to the movable hammer head 232; the tubular electromagnet 231 is installed in the mounting seat 22, and an active cavity is formed inside; the movable hammer head 232 shuttles in the active cavity, and passes out of the mounting seat 22 when the tubular electromagnet 231 is energized, and the two ends of the reset spring 233 are respectively connected to the outer side of one end of the tubular electromagnet 231 and the end of the movable hammer head 232, so that the movable hammer head 232 is compressed and deformed when passing out of the mounting seat 22 to generate a reset elastic force. The tubular electromagnet 231 is connected to and controlled by the controller 4. The controller 4 issues an execution instruction so that the tubular electromagnet 231 is energized to generate magnetic force to drive the movable hammer head 232 to move out of the mounting seat 22, so as to strike the tunnel lining through the movable hammer head 232, thereby pulling the reset spring 233 to generate elastic force, so that after the tubular electromagnet 231 is powered off, the movable hammer head 232 is retracted into the mounting seat 22 by the elastic force of the reset spring 233. By controlling the tubular electromagnet 231 to be energized back and forth, the tunnel lining can be struck back and forth multiple times, thereby realizing automatic striking.

[0035] Among them, an elastic hammer head 2321 is fixed to one end of the movable hammer head 232 away from the return spring 233, so that the elastic hammer head 2321 can elastically impact the tunnel lining, so that it will not cause damage to the tunnel lining when hitting the tunnel lining, and the hitting effect can be guaranteed.

[0036] In some embodiments, a contact surface for contacting the tunnel lining is formed on the top of the mounting seat 22, and the audio collector 3 is installed on the contact surface. The movable hammer head 232 moves on the mounting seat 22 at the center of the contact surface, so that when the movable hammer head 232 passes through the mounting seat 22 and strikes the tunnel lining, the knocking sound can be accurately collected by the audio collector 3 and then fed back to the controller 4 for recognition and processing.

[0037] Furthermore, a wireless communication module 25 is also installed on the mounting base 22, and the wireless communication module 25 is used to wirelessly connect the audio collector 3 with the wireless controller 4 to facilitate the transmission of audio signals. In this embodiment, the wireless communication module 25 is a wifi module, which facilitates wireless data transmission.

[0038] In some embodiments, the support rod 21 includes a telescopic rod 211 whose length can be adjusted and a connecting seat 212 connected to the telescopic rod 211; the connecting seat 212 is connected to the mounting seat 22 through a connecting rod 213, so as to facilitate the adjustment of the height of the mounting seat 22 to adapt to different tunnels and improve applicability.

[0039] In some embodiments, a battery compartment 2131 is provided inside the support rod 21; a battery 24 connected to the electric hammer assembly 23 is installed in the battery compartment 2131 to provide power to the electric hammer assembly 23. Specifically, the battery compartment 2131 is provided on the connecting rod 213 to install a long strip battery 24 to supply power to the electric hammer assembly 23, the audio collector 3 and the wireless communication module 25.

[0040] In some embodiments, Figure 1 and Figure 4 As shown, the controller 4 includes a feature recognition module 41 and an output module 42, wherein the feature recognition module 41 is used to recognize whether the detection audio contains features associated with the disease audio and form a recognition result; the input end of the output module 42 is connected to the output end of the feature recognition module 41, and the output end is connected to the input end of the tunnel lining void disease audio library 1, for receiving the recognition result and sending it to the tunnel lining void disease audio library 1 for storage.

[0041] Specifically, the feature recognition module 41 converts the received detection audio and the diseased audio signal into numerical values, which reflect the characteristic value of the sound, that is, the time domain audio can be converted to the frequency domain (Frequency domain) by using FFT (Fast Fourier Transform), that is, the frequency spectrum of the audio can be obtained, and the result of whether there is diseased audio in the knocking audio can be obtained by comparing the two spectra. For example, the sound of a person's speech has a fixed frequency range, and the frequency of different people's speech is different. FFT can specifically obtain such a spectrum, which is equivalent to obtaining a characteristic value of a sound, and then compare the similarity of the characteristic values ​​to judge the similarity of the sound, so as to judge whether the detection audio is diseased audio or whether it contains diseased audio. Therefore, the same method is adopted in the present invention to compare the sound characteristic value of the detection audio with the characteristic value of the diseased audio to judge whether the detection audio is diseased audio or whether it contains diseased audio.

[0042] Furthermore, a hollow disease recognition model can be established in the controller 4 and an AI analysis training module can be constructed to train the hollow disease recognition model, so as to obtain a hollow disease recognition model for identifying the detection audio. When the detection audio is input into the feature recognition module 41, the feature recognition module 41 uses the hollow disease recognition model to identify whether the detection audio is a disease audio or whether it contains disease audio. After the detection result comes out, the detection audio can be passed into the AI ​​analysis training module to further train the hollow disease recognition model, and the accuracy and capability of the detection model can be continuously improved. After the accuracy and capability of the detection model are improved, the historical detection results can also be rechecked to reduce missed judgments.

[0043] The embodiment of the present application discloses a tunnel lining void disease detection system, which automatically taps the tunnel lining surface to be detected by a tunnel lining automatic tapping device 2 to generate a tapping sound, so that the audio collector 3 collects the detection audio of the tapping and sends it to the controller 4. The controller 4 compares the disease audio in the tunnel lining void disease audio library 1 to identify whether there is a disease sound in the detection audio, thereby automatically detecting whether the tunnel lining has a disease. Not only is the operation simple and the detection speed fast, but it also achieves non-destructive and accurate detection, and has the effect of improving the detection capability and detection accuracy.

[0044] The various embodiments in the present disclosure are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0045] The protection scope of the present disclosure is not limited to the above-mentioned embodiments. Obviously, those skilled in the art can make various changes and modifications to the present disclosure without departing from the scope and spirit of the present disclosure. If these changes and modifications fall within the scope of the claims of the present disclosure and their equivalents, the intention of the present disclosure also includes these changes and modifications.

Claims

1. A tunnel lining void disease detection system, characterized in that: include: Tunnel lining hollow disease audio library, used to provide the sound of tunnel lining with hollow disease produced by knocking; The tunnel lining automatic knocking device is used to automatically hammer the surface of the tunnel lining to be inspected to produce a knocking sound; An audio collector connected to the automatic knocking device for the tunnel lining is used to collect the detection audio generated by knocking on the surface of the tunnel lining; And a controller connected to the audio collector and the tunnel lining hollow disease audio library, the controller is used to receive the knocking sound and the disease sound, and obtain the result of whether the knocking sound contains the disease sound.

2. A tunnel lining void disease detection system according to claim 1, characterized in that: It also includes a tunnel lining hollow disease simulation device, which is used to simulate and generate hollow disease audio data of tunnel linings with different design parameters; the tunnel lining hollow disease simulation device is connected to a tunnel lining hollow disease audio library to save the simulated hollow disease audio data into the tunnel lining hollow disease audio library.

3. A tunnel lining void disease detection system according to claim 2, characterized in that: The tunnel lining hollow disease simulation device includes a plurality of hollow disease simulators for simulating tunnel lining hollowing; each of the hollow disease simulators has a different type, size and depth, so as to generate tunnel lining hollow disease audio data with different parameters when struck.

4. A tunnel lining void disease detection system according to claim 1, characterized in that: The controller includes a feature recognition module and an output module. The feature recognition module is used to identify whether the detection audio contains features associated with the disease audio and form a recognition result; the input end of the output module is connected to the output end of the feature recognition module, and the output end is connected to the input end of the tunnel lining void disease audio library, for receiving the recognition result and sending it to the tunnel lining void disease audio library for storage.

5. The tunnel lining void disease detection system according to claim 1 is characterized in that: The automatic knocking device for tunnel lining includes a support rod, a mounting seat arranged at the end of the support rod, and an electric hammer head assembly arranged in the mounting seat; the electric hammer head assembly is connected to and controlled by a controller, and is used to pass through the mounting seat and hammer the tunnel lining when powered on; the audio collector is installed at the position of the mounting seat where the electric hammer head assembly passes through.

6. A tunnel lining void disease detection system according to claim 5, characterized in that: The electric hammer assembly includes a tubular electromagnet, a movable hammer head arranged in the tubular electromagnet, and a reset spring connected to the movable hammer head; the tubular electromagnet is installed in a mounting seat, and an active cavity is formed inside; the movable hammer head shuttles in the active cavity, and passes out of the mounting seat when the tubular electromagnet is energized; the two ends of the reset spring are respectively connected to the outer side of one end of the tubular electromagnet and the end of the movable hammer head, so that the movable hammer head is compressed and deformed when passing out of the mounting seat to generate a reset elastic force.

7. A tunnel lining void disease detection system according to claim 6, characterized in that: An elastic hammer is fixed to one end of the movable hammer away from the return spring so as to elastically impact the tunnel lining through the elastic hammer.

8. The tunnel lining void disease detection system according to claim 5 is characterized in that: A battery compartment is provided inside the support rod; a battery connected to the electric hammer assembly is installed in the battery compartment to provide electrical energy to the electric hammer assembly.

9. The tunnel lining void disease detection system according to claim 5 is characterized in that: A wireless communication module is also installed on the mounting base, and the wireless communication module is used to wirelessly connect the audio collector with the wireless controller to facilitate the transmission of audio signals.

10. The tunnel lining void disease detection system according to claim 5, characterized in that: The support rod comprises a telescopic rod whose length can be adjusted and a connecting seat connected to the telescopic rod; the connecting seat is connected to the mounting seat through the connecting rod.

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