Vehicle dynamic performance monitoring platform
By integrating acceleration sensors, noise sensors, cameras, and other components into a vehicle dynamic performance monitoring platform, the problem of real-time and efficient monitoring in existing technologies has been solved. This platform achieves integrated data acquisition, processing, and analysis, supports remote monitoring, and improves the real-time performance and accuracy of monitoring.
Patent Information
- Application Number
- CN202520342701.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing vehicle dynamic performance monitoring technologies cannot achieve real-time and efficient monitoring, cannot be remotely monitored, have complex and costly data transmission, are difficult for multiple people to monitor simultaneously, and the display devices occupy interior space and affect the vehicle's operating status.
The vehicle dynamic performance monitoring platform, composed of accelerometers, noise sensors, cameras, strain gauge bridges, data acquisition cards, and industrial control computers, integrates data acquisition, processing, and analysis, and supports remote monitoring via wireless transmission.
It enables integrated acquisition and processing of different data types, supports remote monitoring, improves the real-time performance and accuracy of monitoring, and enhances the efficiency and safety of vehicle performance testing.
Smart Images
Figure CN223783908U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present specification relates to the technical field of vehicle-mounted equipment, in particular to a vehicle dynamic performance monitoring platform. BACKGROUND
[0002] With the rapid increase of the running speed of rail transit vehicles, vehicle dynamic performance monitoring has become one of the key technologies to ensure driving safety and improve driving safety. Especially in the process of vehicle performance testing, the conventional method is to place the collection and processing equipment on the vehicle body, store the relevant data during vehicle operation, and then obtain the data from the equipment on the vehicle after the operation is completed. The collected data is analyzed in the later stage, which cannot be remotely monitored in real time. If the collection is interrupted during operation, it cannot be discovered and stopped in time to reduce the loss of equipment, and it cannot be monitored by multiple people at the same time. Moreover, the monitoring platform on the market is relatively complicated, with too many submenus, which is not conducive to observation and operation.
[0003] In the prior art, all collected data is transmitted through data lines and ports. In the case of a large number of test points and a large number of test data types, a large number of data lines will be used, increasing the cost and safety hazards. The display device can only be placed on the vehicle body, and the carrying space in the vehicle is limited. When multiple people enter the vehicle to observe, it will have a certain impact on the running state of the vehicle, making it difficult to meet the needs of simultaneous monitoring by multiple people. The collected data is stored in a storage module, and the data needs to be extracted from the module for analysis in the later stage, greatly increasing the complexity. Remote monitoring cannot be performed. The front panel of the monitoring device lacks integration and cannot monitor the changes of various data at the same time. CONTENT OF THE UTILITY MODEL
[0004] In view of the above deficiencies in the prior art, the vehicle dynamic performance monitoring platform provided by the present utility model solves the problem of difficult real-time and efficient dynamic monitoring of vehicles.
[0005] In order to achieve the above-mentioned utility model purposes, the technical scheme adopted by the present utility model is as follows: a vehicle dynamic performance monitoring platform, comprising:
[0006] An acceleration sensor, a noise sensor, a camera, a strain gauge bridge, a first data acquisition card, a second data acquisition card, a first industrial computer, a second industrial computer, a wireless transmission device and a client; wherein the acceleration sensor and the noise sensor are connected with the input end of the first data acquisition card, the output end of the first data acquisition card is connected with the input end of the first industrial computer and the camera respectively, the strain gauge bridge is connected with the input end of the second data acquisition card, the output end of the second data acquisition card is connected with the input end of the second industrial computer, and the output end of the first industrial computer and the output end of the second industrial computer are connected with the client through the wireless transmission device.
[0007] Further, the acceleration sensor is arranged at the front and rear wheel pairs on both sides of the bogie of the target vehicle body, the noise sensor and the camera are arranged in the target vehicle body, and the strain gauge bridge is arranged on the running track of the target vehicle body.
[0008] Further, the strain gauge bridge comprises strain gauges A1, A2, A3, A4, B1, B2, B3 and B4; wherein the first pin of the strain gauge A1 is connected with the first pin of the strain gauge B1, the second pin of the strain gauge A1 is connected with the second pin of the strain gauge A2 and the voltage input end C respectively, the second pin of the strain gauge A2 is connected with the second pin of the strain gauge B2, the first pin of the strain gauge A3 is connected with the first pin of the strain gauge B3, the second pin of the strain gauge A3 is connected with the first pin of the strain gauge A4 and the voltage input end A respectively, the second pin of the strain gauge A4 is connected with the second pin of the strain gauge B4, the second pin of the strain gauge B1 is connected with the signal output end B, and the second pin of the strain gauge B1 can be connected with any one of the first pin of the strain gauge B3 and the second pin of the strain gauge B4 to establish a first connection, and the first pin of the strain gauge B2 is connected with the signal output end D and establishes a second connection with the pin not connected with the first connection among the first pin of the strain gauge B3 and the second pin of the strain gauge B4.
[0009] Further, the first data acquisition card and the first industrial computer are arranged in the vehicle body, and the second data acquisition card and the second industrial computer are arranged on one side of the running track of the target vehicle body.
[0010] The vehicle dynamic performance monitoring platform has the following advantages: (1) the acceleration signal, noise signal, stress and strain signal and video image signal are collected, different data types can be collected, the platform is not limited to numerical type data, and the numerical type data obtained by collection and calculation and the collected video data are converted into strings for wireless transmission; the data collection and processing are integrated, the user can complete data collection, processing and analysis on the same platform, and the working efficiency is improved; (2) remote monitoring and data transmission are supported, the observer can remotely obtain the vehicle running state and various data through the wireless network, observation and analysis are facilitated, and the monitoring real-time performance is improved; (3) the waveform chart display blocks of the collection block and the client are arranged in parallel, and it is very convenient to increase the measuring points and customize the display mode; at least four acceleration measuring point signals, two wheel-rail force signals, one noise signal and one video image display area can be observed simultaneously on the same interface; (4) the collected data are analyzed to obtain the vehicle running state parameters, the vehicle running state parameters are saved in real time, real-time correction is performed according to the vehicle running state parameters, the accuracy and efficiency of vehicle performance detection are improved, and the running safety is improved. Attached Figure Description
[0011] This specification will be further described by way of exemplary embodiments, which will be described in detail with reference to the accompanying drawings. These embodiments are not limiting; in these embodiments, the same reference numerals denote the same structures, wherein:
[0012] Figure 1 This is an exemplary schematic diagram of a vehicle dynamic performance monitoring platform according to some embodiments of this specification;
[0013] Figure 2(a) is an exemplary schematic diagram of a bridge for measuring vertical force using the shear method according to some embodiments of this specification;
[0014] Figure 2(b) is an exemplary schematic diagram of a bridge using the shear method to measure transverse forces according to some embodiments of this specification. Detailed Implementation
[0015] The specific embodiments of this utility model are described below to enable those skilled in the art to understand this utility model. However, it should be understood that this utility model is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of this utility model as defined and determined by the appended claims, these changes are obvious. All utility model creations utilizing the concept of this utility model are within the scope of protection.
[0016] Example
[0017] Figure 1 This is an exemplary schematic diagram of a vehicle dynamic performance monitoring platform according to some embodiments of this specification.
[0018] In some embodiments, the vehicle dynamic performance monitoring platform may include an acceleration sensor, a noise sensor, a camera, a strain gauge bridge, a first data acquisition card, a second data acquisition card, a first industrial computer, a second industrial computer, a wireless transmission device, and a client. The acceleration sensor and the noise sensor are connected to the input terminals of the first data acquisition card. The output terminals of the first data acquisition card are connected to the camera and the input terminals of the first industrial computer, respectively. The strain gauge bridge is connected to the input terminal of the second data acquisition card. The output terminal of the second data acquisition card is connected to the input terminal of the second industrial computer. The output terminals of the first and second industrial computers are connected to the client via the wireless transmission device.
[0019] In some embodiments, the voltage input positive pole of the acceleration sensor and the voltage input positive pole of the noise sensor are both connected to the voltage output positive pole of the first data acquisition card, the voltage input negative pole of the acceleration sensor and the voltage input negative pole of the noise sensor are both connected to the voltage output negative pole of the first data acquisition card, the data output end of the first data acquisition card and the camera are both connected to the data input end of the first industrial computer, the positive pole of the bridge voltage supply of the strain gauge bridge is connected to the voltage output positive pole of the second data acquisition card, the negative pole of the bridge voltage supply of the strain gauge bridge is connected to the voltage output negative pole of the second data acquisition card, the bridge signal output end Vi+ and Vi- of the strain gauge bridge are respectively connected to the signal input end Vi+ and Vi- of the second data acquisition card, the data output end of the second data acquisition card is connected to the data input end of the second industrial computer, and the data output end of the first industrial computer and the data output end of the second industrial computer are connected to the client through the wireless transmission device.
[0020] In some embodiments, the voltage input positive pole and the voltage input negative pole of the sensor circuit are respectively connected to the voltage output positive pole and the voltage output negative pole of the data acquisition card to form a closed loop, and the data acquisition card provides a stable working voltage for the sensor circuit, and the sensor is in a working process. When the internal sensing circuit voltage dynamically changes, the sensor transmits the change signal through the signal output end, the sensor signal output end Vi+ and Vi- are respectively connected to the signal input end Vi+ and Vi- of the data acquisition card, the internal voltage change information of the sensor is transmitted to the data acquisition card, and the data acquisition card performs the next step of processing. After the data acquisition card preliminarily processes the data, the data is transmitted to the industrial computer through the data output end.
[0021] In some embodiments, a vehicle dynamic performance monitoring platform monitors the vibration acceleration of the vehicle in operation by using an acceleration sensor and transmits the data to a first data acquisition card, monitors the noise in the vehicle by using a noise sensor and transmits the data to the first data acquisition card, monitors the wheel-rail force by using a strain gauge bridge and transmits the data to a second data acquisition card, the first data acquisition card and the second data acquisition card are used to convert analog signals into digital signals, a camera is used to monitor the real-time image in the vehicle and transmit the data to a first industrial computer together with the data in the first data acquisition card, the data in the second data acquisition card is transmitted to a second industrial computer, the first industrial computer and the second industrial computer are used to process the sensor data, and the wireless transmission device is used to display the processing results of the first industrial computer and the second industrial computer on the client.
[0022] In some embodiments, the acceleration sensor can be arranged at the front and rear wheel pairs on both sides of the target car body bogie, the noise sensor and the camera can be arranged in the target car body, and the strain gauge bridge can be arranged on the running track of the target car body.
[0023] In some embodiments, as shown in FIG. 2(a) and FIG. 2(b), the strain gauge bridge includes strain gauge A1, strain gauge A2, strain gauge A3, strain gauge A4, strain gauge B1, strain gauge B2, strain gauge B3 and strain gauge B4; wherein the first pin of the strain gauge A1 is connected with the first pin of the strain gauge B1, the second pin of the strain gauge A1 is connected with the second pin of the strain gauge A2 and the voltage input end C respectively, the second pin of the strain gauge A2 is connected with the second pin of the strain gauge B2, the first pin of the strain gauge A3 is connected with the first pin of the strain gauge B3, the second pin of the strain gauge A3 is connected with the first pin of the strain gauge A4 and the voltage input end A respectively, the second pin of the strain gauge A4 is connected with the second pin of the strain gauge B4, the second pin of the strain gauge B1 is connected with the signal output end B, the second pin of the strain gauge B1 can be connected with either the first pin of the strain gauge B3 or the second pin of the strain gauge B4, the first pin of the strain gauge B2 is connected with the signal output end D, and the first pin of the strain gauge B2 is connected with the other pin of the first pin of the strain gauge B3 and the second pin of the strain gauge B4 which does not establish the first connection.
[0024] In some embodiments, the vertical force and the lateral force are tested by connecting the strain gauges respectively, the vertical force group bridge scheme is shown in FIG. 2(a), and the lateral force group bridge scheme is shown in FIG. 2(b). Wherein the AC end corresponds to the voltage input, and the BD end corresponds to the signal output. The strain stress value is obtained according to the change of the electrical signal in the later monitoring by calibrating, and then the wheel-rail force is obtained.
[0025] In some embodiments, the first data acquisition card and the first industrial computer can be arranged in the vehicle body, and the second data acquisition card and the second industrial computer can be arranged on the side of the running track of the target vehicle body.
[0026] In some embodiments, a vehicle dynamic performance monitoring platform can be realized based on LabVIEW, including a host computer for controlling the operation of the whole monitoring platform, starting data acquisition by configuring the related settings and parameters of the data acquisition card. The vehicle runs, and the vehicle dynamic performance monitoring platform starts to collect the acceleration, noise, wheel-rail force and vehicle-mounted camera raw data in the running process of the vehicle, converts and processes the collected raw data to obtain the acceleration value, strain stress and noise decibel value, and simultaneously calculates the vehicle stability index and derailment coefficient in real time based on the real-time monitoring data.
[0027] In some embodiments of the present specification, a vehicle dynamic performance monitoring platform is provided, (1) which collects acceleration signals, noise signals, stress and strain signals, and video image signals, and can realize the collection of different data types. The platform is not limited to numerical type data, and the collected and calculated numerical type data and the collected video data are converted into strings for wireless transmission. Moreover, the integration of data collection and processing is realized, and users can complete data collection, processing and analysis on the same platform, improving work efficiency; (2) supporting remote monitoring and data transmission, observers can remotely obtain vehicle running state and various data through wireless network, which is convenient for observation and analysis; (3) the waveform chart display block of the acquisition block and the client is arranged in parallel, and it is very convenient to increase the measurement points and customize the display mode. At least 4 acceleration measurement point signals, 2 wheel-rail force signals, 1 noise signal and a video image display area can be observed simultaneously on the same interface; (4) the collected data is analyzed to obtain vehicle running state parameters, which are saved in real time, and corrected in real time according to the vehicle running state parameters, so as to improve the accuracy and efficiency of vehicle performance detection and increase the running safety.
Claims
1. A vehicle dynamic performance monitoring platform, characterized in that, It comprises an acceleration sensor, a noise sensor, a camera, a strain gauge bridge, a first data acquisition card, a second data acquisition card, a first industrial computer, a second industrial computer, a wireless transmission device and a client; wherein the acceleration sensor and the noise sensor are connected with the input end of the first data acquisition card, the output end of the first data acquisition card is connected with the camera and the input end of the first industrial computer respectively, the strain gauge bridge is connected with the input end of the second data acquisition card, the output end of the second data acquisition card is connected with the input end of the second industrial computer, and the output end of the first industrial computer and the output end of the second industrial computer are connected with the client through the wireless transmission device. The acceleration sensor is arranged at the front and rear wheel pairs on both sides of the bogie of the target vehicle body, the noise sensor and the camera are arranged in the target vehicle body, and the strain gauge bridge is arranged on the running track of the target vehicle body.
2. The vehicle dynamic performance monitoring platform of claim 1, wherein, The strain gauge bridge comprises strain gauges A1, A2, A3, A4, B1, B2, B3 and B4; wherein the first pin of the strain gauge A1 is connected with the first pin of the strain gauge B1, the second pin of the strain gauge A1 is connected with the second pin of the strain gauge A2 and a voltage input end C respectively, the second pin of the strain gauge A2 is connected with the second pin of the strain gauge B2, the first pin of the strain gauge A3 is connected with the first pin of the strain gauge B3, the second pin of the strain gauge A3 is connected with the first pin of the strain gauge A4 and a voltage input end A respectively, the second pin of the strain gauge A4 is connected with the second pin of the strain gauge B4, the second pin of the strain gauge B1 is connected with a signal output end B, the second pin of the strain gauge B1 can be connected with either the first pin of the strain gauge B3 or the second pin of the strain gauge B4 to establish a first connection, the first pin of the strain gauge B2 is connected with a signal output end D and establishes a second connection with the pin of the strain gauge B3 or the strain gauge B4 which does not establish the first connection.
3. The vehicle dynamic performance monitoring platform of claim 2, wherein, The first data acquisition card and the first industrial computer are arranged in the vehicle body, and the second data acquisition card and the second industrial computer are arranged on one side of the running track of the target vehicle body.
4. The vehicle dynamic performance monitoring platform of claim 1, wherein,