Bridge damage diagnosis equipment based on vibration signals

Abstract

The utility model belongs to the field of bridge diagnosis, and relates to bridge damage diagnosis equipment based on vibration signals, which comprises a signal processor, a vibration sensor arranged on one side of the signal processor, an alarm device arranged on one side of the vibration sensor, a damping device arranged on one side of the alarm device, and a data memory arranged at the bottom of the damping device. The bridge damage diagnosis system is complete in structure and complete in function, can effectively improve the accuracy and timeliness of bridge damage diagnosis, avoids the limitation caused by a single sensor and the influence caused by external interference, and provides powerful guarantee for long-term safe operation of a bridge.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge diagnosis field, concretely relates to a bridge damage diagnosis equipment based on vibration signal. BACKGROUND

[0002] Bridge as important traffic facilities, its safety is directly related to people's life and property safety. However, bridge in the long-term use process will be influenced by various factors, such as load, temperature change, natural aging, etc., possibly lead to bridge damage, even structural failure.

[0003] Traditional bridge health detection method mostly relies on artificial inspection or periodic structural detection, there are high cost, long detection cycle and difficult to find potential problems in time and other shortcomings. And through the collection, analysis and processing of bridge vibration signal, the early diagnosis and prediction of bridge damage can be realized, and the limitations of traditional detection method are avoided. UTILITARY MODEL CONTENTS

[0004] The utility model aims at providing a bridge damage diagnosis equipment based on vibration signal, can guarantee when bridge monitoring work, vibration signal can accurate collection and real-time processing, can discover damage in time and trigger early warning, solved the single sensor in prior art and cannot monitor comprehensively, the denoising effect is poor, cannot real-time early warning and other problems.

[0005] In order to achieve the above object, the utility model adopts the technical scheme, the utility model provides a bridge damage diagnosis equipment based on vibration signal, including signal processor, the signal processor one side is provided with vibration sensor, and vibration sensor one side is provided with alarm device, and alarm device one side is provided with damping device, and damping device bottom is provided with data memory.

[0006] As preferred, the signal processor is internally provided with a filter, and the filter is provided with a display screen below.

[0007] As preferred, the vibration sensor is provided with a strain sensor at the bottom.

[0008] As preferred, the damping device is internally provided with a silencer, and the number of the silencers is two.

[0009] As preferred, the data memory is provided with an output hole on the surface, and the output hole is provided with a button above.

[0010] Compared with the prior art, the utility model has the advantages and positive effects that,

[0011] This utility model has a complete structure and perfect functions, which can effectively improve the accuracy and timeliness of bridge damage diagnosis, and also avoid the limitations of a single sensor and the impact of external interference, thus providing a strong guarantee for the long-term safe operation of bridges.

[0012] This invention ensures that vibration signals can be accurately collected and processed in real time during bridge monitoring, enabling timely detection of damage and triggering of early warnings. It solves the problems of existing technologies, such as the inability of a single sensor to provide comprehensive monitoring, poor noise reduction, and the inability to provide real-time early warnings. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 An isometric view of a bridge damage diagnosis device based on vibration signals provided in Example 1;

[0015] Figure 2 The front view of a bridge damage diagnosis device based on vibration signals provided in Embodiment 1;

[0016] In the above diagrams, 1 is the signal processor, 2 is the filter, 3 is the display screen, 4 is the vibration sensor, 5 is the strain gauge sensor, 6 is the alarm device, 7 is the shock absorber, 8 is the silencer, 9 is the data storage device, 10 is the output port, and 11 is the button. Detailed Implementation

[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0019] Example 1, such as Figure 1 As shown, a bridge damage diagnosis device based on vibration signals includes a signal processor 1, a vibration sensor 4 is provided on one side of the signal processor 1, an alarm device 6 is provided on one side of the vibration sensor 4, a shock absorption device 7 is provided on one side of the alarm device 6, and a data storage device 9 is provided at the bottom of the shock absorption device 7.

[0020] The signal processor 1 is responsible for processing the raw vibration signals collected by each sensor. Through real-time analysis of the vibration signals, the signal processor 1 can assess the health of the bridge and trigger an alarm. Inside the signal processor 1 is a filter 2 that is used to remove high-frequency noise and other interference signals from the collected vibration signals. By filtering out irrelevant noise signals through the filter 2, the key vibration characteristics are retained, ensuring more accurate subsequent feature extraction and analysis, and providing clean signals for subsequent analysis modules. The lower part of the filter 2 is provided with a display screen 3, which can display the vibration data, processing results and diagnostic reports of the bridge in real time, and can visually display the waveform, frequency spectrum and damage detection status of the vibration signal. At the same time, the display screen 3 can also display historical data and trends to assist decision-makers in analyzing the health of the bridge. The signal processor 1 is provided with a vibration sensor 4 on one side, which is used to collect vibration signals of the bridge in real time and can sense vibrations caused by external loads, wind, vehicle passing and other factors. The vibration sensor 4 is usually installed at multiple key positions of the bridge, such as the bridge deck, support points, bridge pillars, etc., to accurately collect vibration data and provide important basis for subsequent damage diagnosis. The bottom of the vibration sensor 4 is provided with a strain sensor 5, which is used to monitor the strain changes of the bridge structure and is usually used to detect the deformation of the bridge material under external force. The strain sensor 5 can also help detect whether the bridge has problems such as bending, deformation or local cracks.

[0021] The vibration sensor 4 is provided with an alarm device 6 on one side, which can issue an alarm when there is a safety hazard in the bridge. When the signal processor 1 finds damage or impending failure of the bridge structure through vibration signal analysis, the alarm device 6 will immediately trigger an alarm to remind maintenance personnel or management personnel to take necessary action. The alarm device 6 is provided with a damping device 7 on one side, which functions to suppress or reduce the interference of external noise on the vibration signal. The vibration signal of the bridge may be affected by environmental noise (such as wind, traffic, earthquakes and other natural or man-made factors), and these external disturbances may affect the accuracy of the signal. The damping device 7 reduces the influence of these external factors to ensure the clarity and accuracy of the vibration signal. The damping device 7 is internally provided with two silencers 8, which can further reduce the interference of external noise or vibration signals. The silencer absorbs and attenuates noise in specific frequency bands to reduce the influence of noise signals on the vibration sensor 4, thereby ensuring that the vibration signals collected by the device are more accurate and reliable.

[0022] The shock absorbing device 7 is provided at the bottom with a data storage 9, which is used to save the vibration signals and monitoring data collected from the vibration sensor 4, the strain sensor 5 and other devices. It can record the health status and vibration information of the bridge for a long time, and provide data support for subsequent analysis. The surface of the data storage 9 is provided with an output hole 10, which is used to output the processed data or diagnostic results of the device to external devices such as computers, display screens, printers and the like. The upper part of the output hole 10 is provided with a button 11, and the worker can start or stop the work of the device through the button 11.

[0023] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0024] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A bridge damage diagnosis apparatus based on a vibration signal, characterized by, Including signal processor, one side of signal processor is provided with vibration sensor, one side of vibration sensor is provided with alarm device, one side of alarm device is provided with damping device, and data storage is arranged at the bottom of damping device.

2. The bridge damage diagnosis apparatus based on a vibration signal according to claim 1, characterized by, The signal processor is internally provided with a filter, and the filter is provided with a display screen at the lower part.

3. The bridge damage diagnosis apparatus based on a vibration signal according to claim 1, characterized by, The vibration sensor is provided with a strain sensor at the bottom.

4. The bridge damage diagnosis apparatus based on a vibration signal according to claim 1, characterized by, The damping device is internally provided with a silencer, and the number of silencers is 2.

5. The bridge damage diagnosis apparatus based on a vibration signal according to claim 1, characterized by, The data storage is provided with an output hole on the surface, and a button is arranged on the upper part of the output hole.

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