High-speed train health state monitoring device and using method thereof

A health status and monitoring device technology, applied in railway vehicle testing, signal transmission systems, instruments, etc., to achieve the effect of strong pertinence, satisfying alarm and analysis, and high operating efficiency

Inactive Publication Date: 2016-11-16

上海王智测控技术有限公司

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AI-Extracted Technical Summary

Problems solved by technology

But so far there is no special monitoring device for such a hi...

Method used

In the present embodiment, according to the database of ground diagnosis unit and the existing experience compilation diagnosis rule, ground diagnosis phrase automatic learning is perfected constantly, gradually forms complete ground diagnosis unit, realizes the automatic judgment of high-speed rail train state of health, realizes to The automatic judgment of the degree of failure and the cause of the fa...

Abstract

The invention discloses a high-speed train health state monitoring device and a using method thereof. The high-speed train monitoring device comprises a sensor unit for detecting the health state of a high-speed train, a data acquisition unit connected to the output terminal of the sensor unit, a data processing unit connected to the output terminal of the data acquisition unit, a train head server unit connected to the data processing unit, and a ground diagnosis unit connected to the train head server unit. The sensor unit at least comprises a vibration sensor, a temperature sensor, and a noise sensor, which are arranged on the body of the high-speed train. The provided high-speed train health state monitoring device can monitor, display and store the operation state of motion parts such as bearings of axle box of a train, motor bearings, transmission gears, and the like, in real time, and gives an alarm in time, the damage state of a high-speed train can be judged through a plurality of parameters, and thus reliable references can be provided for the safe operation and scientific maintenance of high-speed trains.

Application Domain

Transmission systemsRailway vehicle testing

Technology Topic

Data acquisition unitData processing +4

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Examples

Experimental program(1)

Example Embodiment

[0027] Attached below figure 1 The high-speed rail train health monitoring device of the present invention will be further explained.

[0028] The structure and connection mode of a high-speed train health monitoring device of the present invention are as follows figure 1 As shown above, it includes a sensor unit for detecting the health status of high-speed rail trains, a data collection unit connected to the output of the sensor unit, a data processing unit connected to the output of the data collection unit, and a locomotive server connected to the data processing unit. The unit is a ground diagnostic unit connected to the aforementioned vehicle server unit. The above-mentioned sensor unit includes at least a vibration sensor, a temperature sensor, and a noise sensor arranged on the body of the high-speed rail train. After a series of processing, the data collected by the sensor unit provides accurate and objective reference data for the assessment and calculation of the damage status of high-speed rail train components, achieving the purpose of comprehensively judging the health status of high-speed rail trains with multiple parameters, and avoiding potential safety hazards in high-speed rail running at high speeds .

[0029] In this embodiment, the data acquisition unit includes a filter circuit connected to the input end of the detection unit, an amplifier circuit connected to the output end of the filter circuit, and an AD converter connected to the amplifier circuit. The above-mentioned filter circuit is an active filter circuit with short response time and high efficiency in filtering harmonics.

[0030] In this embodiment, the data processing unit includes a central processing unit with an input terminal connected to the output terminal of the above-mentioned AD converter, and a memory connected with the output terminal of the above-mentioned central processing unit; the above-mentioned central processing unit adopts the latest ARM Cortex microprocessor.

[0031] In this embodiment, the aforementioned locomotive server unit includes a locomotive server whose input is connected to the central processing unit, and a display connected to the output of the locomotive server. The output of the locomotive server is also connected to the input of the alarm. The output terminal is connected with a 4G router, the output terminal of the above-mentioned car head server is connected with a wifi connector, and the output terminal of the above-mentioned car head server is connected with a GPS receiver.

[0032] In this embodiment, the above-mentioned 4G router and the ground diagnostic unit are connected through a 4G network and perform data exchange.

[0033] In this embodiment, the magnification of the amplifying circuit is 2-16 times, the filter circuit is 8 or 16 steps, the AD converter is 16 bits or 24 bits, and the display is a liquid crystal display or a touch screen. .

[0034] In this embodiment, according to the database of the ground diagnosis unit and the existing experience, the diagnosis rules are compiled, and the ground diagnosis phrase is automatically learned and continuously improved, and a complete ground diagnosis unit is gradually formed to realize the automatic judgment of the health status of the high-speed rail train, and realize the degree of failure, The automatic judgment of the cause of the failure enables the scientific management of high-speed trains to be guided by the concept of big data.

[0035] In this embodiment, the above-mentioned vibration sensor is a piezoelectric acceleration sensor, which is installed on the axle box bearings, motor bearings, transmission gears and other car body parts of the high-speed train, and has the function of real-time detection of the vibration parameters of the corresponding parts of the high-speed train.

[0036] In this embodiment, the main boards of the vibration sensor, temperature sensor, and noise sensor are all manufactured with industrial-grade chip devices, anti-static technology, and the casing is made of high-hardness alloy material, laser metal welding package, waterproof and dustproof.

[0037] A method for using the above-mentioned high-speed rail train health monitoring device, the above-mentioned using method includes the following steps:

[0038] Step 1: After the vibration sensor, temperature sensor and noise sensor of the sensor unit output the detected vibration data, temperature data and noise data, they are collected by the filter circuit, amplifying circuit and AD converter of the data acquisition unit to collect high-quality and meet the requirements data.

[0039] Step 2: The central processing unit compares the data collected by the data collection unit with the preset threshold value and then inputs it to the car head server. At the same time, the compared data is stored in the memory. The storage interval can be continuous, 1, 5, 10, 30 , 60 minutes and custom time interval settings, historical data is permanently stored.

[0040] Step 3: The vehicle head server inputs the above-mentioned data processed by the central processing unit into the monitor for real-time display, and displays the current status of the monitoring parameters in three colors of green (normal), yellow (alarm), and red (alarm). If red is displayed, the car head server controls the alarm. At the same time, the car head server divides the data processed by the central processing unit into two parts: characteristic data and analysis data. The former has a small data volume and is transmitted to the ground data center in real time through the 4G network of the 4G router; The data volume is large. After the train is in the warehouse, it is automatically connected to the ground station wifi through the wifi connector and transmitted to the ground diagnostic unit.

[0041] Step 4: Compile diagnostic rules based on the data in the database and existing experience.

[0042] Although the specific embodiments of the present invention are described above with reference to the accompanying drawings, they do not limit the scope of protection of the present invention. Those skilled in the art should understand that on the basis of the technical solutions of the present invention, those skilled in the art need not be creative. Various modifications or variations that can be made with labor are still within the protection scope of the present invention.

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High-speed train health state monitoring device and using method thereof

A health status and monitoring device technology, applied in railway vehicle testing, signal transmission systems, instruments, etc., to achieve the effect of strong pertinence, satisfying alarm and analysis, and high operating efficiency

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Image

Examples

Example Embodiment

PUM

Description & Claims & Application Information

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