Wireless monitoring device for abnormal vibration of rail steel-concrete structure under construction condition
By designing a wireless monitoring device that includes a 3-axis accelerometer and a 3-axis gyroscope, the problems of single monitoring dimensions, insufficient sampling frequency, and imperfect early warning in the existing technology are solved. This enables multi-dimensional vibration monitoring and real-time early warning of steel-concrete structures under construction conditions, improving the safety and portability of railway operations.
Patent Information
- Application Number
- CN202520554683.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing track vibration monitoring technologies suffer from problems such as limited monitoring dimensions, insufficient sampling frequency, simplistic data analysis methods, and imperfect early warning mechanisms, making it impossible to achieve multi-dimensional vibration monitoring and real-time early warning of steel-concrete rail structures under construction conditions.
A wireless monitoring device comprising a housing, a control system, and a human-machine interaction module was designed. It uses a 3-axis accelerometer and a 3-axis gyroscope to collect multi-dimensional vibration signals, combines an STM32 chip with an ARM Cortex-M4 core for data processing, and uploads data in real time through a wireless transmission module. It is equipped with LED lights and a buzzer for alarm, realizing automated monitoring and portability of steel-concrete structures for railway tracks.
It has achieved automated monitoring of multi-dimensional vibration information of steel-concrete rail structures under construction conditions, which can detect structural deformation in a timely manner and issue early warnings, thereby improving the safety and convenience of railway operation.
Smart Images
Figure CN223905056U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of rail monitoring, and relates to a track steel concrete structure abnormal vibration wireless monitoring device under construction conditions. BACKGROUND
[0002] Railway transportation plays an irreplaceable key role in freight transportation and passenger travel. An efficient railway transportation system not only can significantly speed up the logistics turnover speed and reduce transportation costs, but also can promote the coordinated development of commodity circulation and regional economy. According to statistics, railway transportation has obvious advantages in energy saving and emission reduction and sustainable development, but the efficiency and reliability of railway transportation must be based on safety as a prerequisite and guarantee.
[0003] In the process of railway construction and operation, the vibration generated by construction activities is a safety hazard that cannot be ignored. These vibration energies can propagate through the stratum medium and have an adverse effect on the existing railway track structure. Specifically, (1) in the X-axis direction (longitudinal direction), vibration may cause changes in track geometric position, leading to track gauge expansion or contraction; (2) in the Y-axis direction (lateral direction), vibration may cause track horizontal deviation, affecting the stability of train operation; (3) in the Z-axis direction (vertical direction), vibration may cause uneven settlement of the roadbed, and in severe cases, even cause track slab cracking. These structural deformations not only reduce the comfort of train operation, but also may cause derailment and other major safety accidents.
[0004] The existing track vibration monitoring technology mainly has the following limitations: (1) single monitoring dimension, mostly only focusing on vertical vibration, ignoring the coupling effect of multi-dimensional vibration; (2) insufficient sampling frequency, making it difficult to capture transient impact vibration signals; (3) simple data analysis method, lacking in-depth mining of time-frequency characteristics of vibration signals; (4) imperfect early warning mechanism, unable to realize real-time identification and accurate positioning of abnormal vibration. These problems seriously restrict the timeliness and accuracy of railway operation safety early warning. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims to provide a track steel concrete structure abnormal vibration wireless monitoring device under construction conditions, which realizes automatic monitoring of track steel concrete structure vibration information, monitors whether the track has settlement or deviation, discovers structural deformation in time and gives early warning to improve safety, and the device has portability.
[0006] To achieve the above purpose, the utility model provides the following technical scheme:
[0007] The utility model provides a kind of abnormal vibration wireless monitoring device of track steel concrete structure under construction condition, including shell 11, and control system 21 being arranged in shell interior;One end of shell is equipped with man-machine interactive module, and the other end is equipped with locking mechanism's wedge groove 14;The control system includes main control module 213, and respectively with the acquisition module 211 of main control module 213, wireless transmission module 212, power module 214, storage module 23 and alarm module;The man-machine interactive module includes display module 22 and switch being connected with main control module 213, and the display module 22 is used to show current measured data information, device running time and battery capacity, and the switch is used to manage the power supply of control system;
[0008] The locking mechanism's wedge groove 14 is used to install detachable magnet 15, and the device is adsorbed on the rail steel concrete structure to be monitored by magnet.
[0009] Preferably, the shell 11 is a cylindrical body structure;The man-machine interactive module is located on the front of the shell 11;The locking mechanism's wedge groove 14 is located on the back of the shell 11.
[0010] Preferably, the shell 11 side is also provided with alarm module sound outlet (including buzzer sound outlet 115 and LED lamp port 12), SD storage card placing port 111, USB-A interface 113 and Type-C interface 112.
[0011] Preferably, the shell 11 side is also provided with handle 13 fixed at the symmetrical place of both ends of side.
[0012] Preferably, the alarm module includes buzzer 215 and LED lamp 216.
[0013] Preferably, the switch includes power switch and enable switch, and the power switch is used to start or close the wireless monitoring device;The enable switch is used to control alarm module (i.e. buzzer 215 and LED lamp 216).
[0014] Preferably, the main control module 213 uses STM32 chip of ARM Cortex-M4 kernel.
[0015] Preferably, the acquisition module 211 includes 3-axis accelerometer and 3-axis gyroscope etc.
[0016] Preferably, the power module 214 includes power management chip and charging circuit module.
[0017] The utility model has the advantages that:
[0018] (1) Realize the automatic monitoring of the vibration information of the rail steel concrete structure under the construction condition, and be used for monitoring whether the rail abnormally vibrates, discovering the abnormal construction event in time, and improving the safety of the operation track under the construction condition.
[0019] (2) The display system is applied, the monitoring data is displayed in the form of numbers or charts, and when the settlement or deviation occurs, the alarm is given and the staff is fed back in time.
[0020] (3) The device has portability.
[0021] Other advantages, objects and features of the present application will be in part apparent and in part pointed out hereinafter in the specification, and in part will be observed by persons skilled in the art upon examination of the following specification, or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by means of the instrumentalities and combinations pointed out in the following specification. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the preferred detailed description of the present application will be combined with the drawings as follows, wherein:
[0023] Figure 1 It is a whole structure schematic view of the device of the embodiment of the present application;
[0024] Figure 2 It is a shell structure schematic view of the embodiment of the present application;
[0025] Figure 3 It is a system internal structure schematic view of the embodiment of the present application;
[0026] Figure 4 It is a control system module schematic view of the embodiment of the present application;
[0027] The drawings are as follows: 11, shell; 12, LED lamp port; 21, control system; 22, display module; 23, storage module; 13, handle; 14, wedge groove of locking mechanism; 15, detachable magnet; 111, SD storage card placing port; 112, Type-C interface; 113, USB-A interface; 114, switch button; 115, buzzer sounding port; 211, acquisition module; 212, wireless transmission module; 213, main control module; 214, power module; 215, buzzer; 216, LED lamp. DETAILED DESCRIPTION
[0028] The embodiments of the present application will be described in detail below with specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the present application. The present application can also be implemented or applied in other different specific embodiments, and various modifications or changes can be made to the details in the specification based on different views and applications without departing from the spirit of the present application. It should be noted that the drawings provided in the following examples only schematically illustrate the basic concept of the present application, and the following examples and features in the examples can be combined with each other without conflict.
[0029] The drawings are only used for illustrative description, and the representation is only a schematic diagram, not a physical diagram, and cannot be understood as a limitation of the present application; in order to better illustrate the embodiments of the present application, some components in the drawings are omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings can be omitted.
[0030] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore the terms describing the positional relationship in the drawings are only used for illustrative description, and cannot be understood as a limitation of the present application, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0031] Please refer to Figures 1-4 A wireless monitoring device for a rail steel-concrete structure under construction conditions, comprising a cylindrical shell 11; the front of the shell 11 is provided with a man-machine interaction module, and the back is provided with a wedge groove 14 of a locking mechanism. The shell 11 is internally provided with a control system 21, including a collection module 211, a wireless transmission module 212, a main control module 213, a power module 214, a storage module 23, an alarm module (including a buzzer 215 and an LED lamp 216). The man-machine interaction module includes a display module 22 and a switch button 114 (a power switch and an enable switch) connected with the control system 21, the display module 22 is used for displaying the current measured data information, device running time and battery capacity. The switch button is used for managing the power supply of the control system.
[0032] The cylindrical shell 11 is provided with LED lamp port 12, SD storage card placement port 111, Type-C interface 112, USB-A interface 113, handle 13, locking mechanism wedge groove 14, two switch buttons 114, buzzer sounding port 115. The buzzer sounding port 115 is located on the left side of the shell 11, the LED lamp port 12 is located on the top of the shell 11, both of which will only respond when the alarm, to prompt the staff that the settlement or deviation occurs. The SD storage card placement port 111 is located on the right side of the shell 11, the SD storage card is used to store the detected rail steel structure in X, Y, Z three direction vibration data. The Type-C interface 112 and USB-A interface 113 are located on the right side of the shell 11, for data transmission and charging. The handle 13 is located at both ends of the shell 11, in order to facilitate the staff to carry, and at any time and anywhere in the need to monitor the location of installation and monitoring. The locking mechanism wedge groove 14 is located on the back of the shell 11, for the installation of the detachable magnet 15, through the magnet to attract the device to the need to monitor the rail steel structure. The two switch buttons 114 are located below the front of the shell 11, one button is a power switch, used to start or close the device; the other is an enable switch, which can control the LED and buzzer, specifically is to let the alarm buzzer 215 and LED 216 in the staff to obtain a certain place abnormal vibration alarm information, close the buzzer and LED 216 in the alarm state, make both return to normal state. The display module 22 is located in the front center of the shell 11, used to display the current measured data information, device running time and battery capacity, see Figure 1 .
[0033] In order to realize the automatic monitoring of the vibration information of the rail steel-concrete structure under construction conditions, and monitor whether the rail has settlement or deviation, so as to discover the structural deformation in time and improve the safety. The device of the embodiment is provided with a control system 21, wherein the acquisition module 211 mainly adopts a MEMS chip, which contains a 3-axis accelerometer, a 3-axis gyroscope and the like, acquires the vibration signals of the rail steel-concrete structure in X, Y and Z directions under the running state, converts the analog signals into digital signals through an ADC, outputs the digital signals, and communicates with the master control through an SPI interface. The master control module 213 adopts an STM32F7 chip with an ARM Cortex-M7 core. The chip is provided with existing vibration frequency spectrum and energy density spectrum algorithms, is used for processing the vibration digital signals of the rail steel-concrete structure in X, Y and Z directions under the running state collected and transmitted by the acquisition module 211, analyzes the state of the rail at the current time point at the monitoring position, judges whether abnormal vibration occurs, wherein the Timer is used to realize the periodic / timed monitoring task, the FreeRTOS is used to realize the multi-task scheduling, and the LED lamp 216 and the buzzer 215 are respectively controlled. If the rail steel-concrete structure abnormally vibrates, the LED lamp 216 and the buzzer 215 are controlled to alarm. In the process, the communication interfaces used include SPIO, SPI, GPIO, UART and the like. The wireless transmission module 212 is a BC660K-GL, which is connected with the master control module 213 through a UART interface, realizes the low-power data transmission between the device and the cloud and the upper computer through a cellular network. The storage module 23 is a TF / SD card, which is connected with the master control module 213 through an SDIO interface. The BC660K-GL is internally provided with a non-volatile memory (such as a Flash), which is used for saving the network parameters and configurations of the device, is connected with the master control part through an SPI interface, and is used for storing the vibration signals of the rail steel-concrete structure in X, Y and Z directions under the running state initially monitored. The alarm module is the LED lamp 216 / buzzer 215, which can be directly connected with the master control module 213 through a GPIO port. The power module 214 is provided with two power chip (BQ24650+BQ76952), through the setting of a charging circuit, the lithium battery power supply can be realized, and the power supply can also be realized through the USB interface and the external power supply. For details, see Figure 2 、 Figure 3 and Table 1.
[0034] Table 1 is the parameters of each module in the wireless monitoring device
[0035]
[0036] The operation process of the device of the embodiment is as follows:
[0037] (1) The device is installed at the rail steel-concrete structure to be monitored through the detachable magnet 15 at the back.
[0038] (2) open the front power switch button to start the device, through the acquisition module 211, the main control module 213 judges whether the monitoring point needs to alarm, if it needs to alarm, the buzzer 215 and LED lamp 216 of the alarm module are started, and the relevant data is stored through the storage module 23, and the data is uploaded to the host computer and the cloud through the wireless transmission module 212.
[0039] (3) the host computer displays in the form of text and coordinate curve, so that the data can be clearly and intuitively displayed, and the staff can observe whether the monitoring point at the current time point is in an alarm state in real time.
[0040] (4) when the staff finds the alarm, the buzzer 215 and LED lamp 216 are restored to normal through the enable switch button on the device.
[0041] (5) after the monitoring is completed, the device is turned off through the switch button, and is disassembled and cleaned, and the equipment can be carried by the handle 13.
[0042] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and they should be included in the scope of the claims of the present application.
Claims
1. A device for wireless monitoring of abnormal vibration of a track reinforced concrete structure under construction, characterized in that, The device comprises a shell (11) and a control system (21) arranged inside the shell; one end of the shell is provided with a human-computer interaction module, and the other end is provided with a wedge groove (14) of a locking mechanism; the control system comprises a main control module (213), and an acquisition module (211), a wireless transmission module (212), a power module (214), a storage module (23) and an alarm module connected with the main control module (213) respectively; the human-computer interaction module comprises a display module (22) and a switch connected with the main control module (213), the display module (22) is used for displaying the current measured data information, device running time and battery capacity, and the switch is used for managing the power supply of the control system; The wedge groove (14) of the locking mechanism is used for mounting a detachable magnet (15), and the device is attracted to the steel and concrete structure of the rail to be monitored by the magnet. 2.The device according to claim 1, wherein, The shell (11) is a columnar body structure; the human-computer interaction module is located on the front surface of the shell (11); and the wedge groove (14) of the locking mechanism is located on the back of the shell (11). 3.The device according to claim 2, characterized in that, The shell (11) side is also provided with an alarm module sound outlet, an SD storage card placing port (111), a USB-A interface (113) and a Type-C interface (112). 4.The device according to claim 2, wherein, The shell (11) side is also provided with handles (13) fixed at the symmetrical positions of the two ends of the side surface. 5.The device according to claim 1, wherein, The alarm module comprises a buzzer (215) and an LED lamp (216). 6.The device according to claim 1, wherein, The switch comprises a power switch and an enable switch, the power switch is used for starting or closing the wireless monitoring device; and the enable switch is used for controlling the alarm module. 7.The device according to claim 1, characterized in that, The main control module (213) adopts an STM32 chip with an ARM Cortex-M4 core. 8.The device according to claim 1, characterized in that, The acquisition module (211) comprises a 3-axis accelerometer and a 3-axis gyroscope. 9.The device according to claim 1, characterized in that, The power module (214) comprises a power management chip and a charging circuit module.