Locomotive power data acquisition system

Abstract

The utility model belongs to the technical field of railway traffic, and discloses a locomotive power data acquisition system, which comprises a first computer; the mobile storage device is connected with the first computer through the USB interface of the first computer; the plurality of sensors are arranged on a framework, axle boxes and a locomotive body of the locomotive and are used for acquiring power data of the locomotive; the second computer is connected with the plurality of sensors and is used for collecting power data; and the wireless router is used for connecting the first computer and the second computer. The 4G wireless router is carried on the dynamic test locomotive, dump personnel can remotely and wirelessly download test data in advance on the ground, ground personnel wirelessly transmit related data collected in an industrial personal computer of the dynamic test locomotive to a USB flash disk before a train arrives at a station, and after the train arrives, an operator only needs to get on the train and replace the USB flash disk, and the dump personnel can remotely and wirelessly download the test data in advance. The data downloading time after the locomotive arrives is greatly shortened, the station track occupying time after the train arrives is fully compressed, and the railway transportation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model relates to railway traffic technical field, especially a locomotive power data acquisition system. BACKGROUND

[0002] In prior art, heavy load railway test locomotive produces a lot of power data in the process of running, these data need backup for subsequent analysis and research, in the process of running, the locomotive records these key data such as coupler force, vibration acceleration, coupler deflection angle in the form of record curve in the locomotive industrial computer equipment, with the increase of locomotive data, these stored locomotive running data inevitably lose, therefore, need the running data generated in the process of locomotive running be dumped to ground storage and research in time, at present, these data are generally converted and stored by manual storage (dynamic test locomotive data uses previous manual dumping, after train arrival, download and dump test data on the train), and this method undoubtedly greatly increases the time of occupying track after train arrival, secondly, due to large download data volume, slow download speed, long dumping time, tight operation time influences train departure, in conclusion, the traditional dumping method cannot realize fast and efficient download function, and cannot adapt to the need of existing data dumping volume. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing at least a locomotive power data acquisition system, and solves the following technical problems: in prior art, the running data generated in the process of locomotive running is dumped to ground storage in time, and the time is too long and the efficiency is not high.

[0004] To solve the above technical problem, at least one embodiment of the utility model provides a locomotive power data acquisition system, which comprises:

[0005] A first computer;

[0006] A mobile storage device is connected with the first computer through the USB interface of the first computer;

[0007] A plurality of sensors are arranged on the frame, axle box and car body of the locomotive for collecting power data of the locomotive;

[0008] A second computer is connected with the plurality of sensors for collecting the power data;

[0009] A wireless router is used for connecting the first computer and the second computer.

[0010] In some embodiments, the second computer is an industrial computer, and the wireless router is a 4G router;The industrial computer is connected with the plurality of sensors through double-redundant vehicle bus and transmission medium MVB bus.

[0011] In some embodiments, the industrial computer comprises: a power board, an MVB board, a wireless communication board, a CPU board and a gateway board.

[0012] In some embodiments, a locomotive power data acquisition system further comprises:

[0013] A box body for protecting the second computer comprises: a box body, a box bottom plate, a box front panel and a box rear panel.

[0014] In some embodiments, the CPU board and the wireless communication board are arranged on the box bottom plate through metal columns, the box bottom plate is connected with the box body through screws, and the lower ends of the front and rear sides of the box body are connected with the box front panel and the box rear panel through mounting seats.

[0015] In some embodiments, the sensors comprise: stress sensors, acceleration sensors, strain sensors and deflection angle sensors.

[0016] In some embodiments, a locomotive power data acquisition system further comprises:

[0017] A high-gain antenna is arranged to enhance the strength of the wireless signal of the wireless router.

[0018] In some embodiments, the mobile storage device comprises: a display screen for displaying the storage progress of the power data.

[0019] In some embodiments, the power data comprises: axle box vibration, frame vibration, car body vibration, frame stress, car body stress and suspension displacement data.

[0020] In some embodiments, the mobile storage device is a USB flash drive.

[0021] Embodiments of the utility model provide a kind of locomotive power data acquisition system, comprising: first computer;Mobile storage device is connected with the first computer by the USB interface of the first computer;Multiple sensors are arranged on the frame, axle box and car body of locomotive, for collecting the power data of locomotive;Second computer is connected with the multiple sensors, for collecting the power data;Wireless router is used to connect the first computer with the second computer.

[0022] In summary, the locomotive power data acquisition system provided by the application can realize remote wireless downloading of test data in advance on the ground through the 4G wireless router carried on the dynamic test locomotive, the ground personnel can wirelessly transmit the relevant data collected in the dynamic test locomotive industrial personal computer to the U disk before the train arrives at the station, and the operation personnel only need to replace the U disk on the train after the train arrives, thereby greatly reducing the data downloading time after the locomotive arrives, fully compressing the time of occupying the track after the train arrives, and improving the railway transportation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] One or more embodiments are illustrated by way of example in the figures that form a part of this disclosure and which are illustrative of various embodiments of embodiments and implementations. These embodiments are described in sufficient detail to enable those skilled in the art to make and use them.

[0024] Figure 1 is a structural schematic diagram of a locomotive power data acquisition system provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the embodiments of the utility model will be described in detail below with reference to the drawings. However, those skilled in the art can understand that, in the embodiments of the utility model, many technical details are proposed in order to make the readers better understand the utility model. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed by the utility model can be realized. The division of the following embodiments is for the convenience of description, and should not constitute any limitation on the specific implementation mode of the utility model, and the embodiments can be combined and quoted with each other on the premise of not contradicting.

[0026] In the following, the term "include" or "may include" that can be used in various embodiments of the utility model indicates the existence of the claimed function, operation or element, and does not limit the addition of one or more functions, operations or elements. In addition, as used in various embodiments of the utility model, the terms "include", "have" and their homonyms are only intended to represent a specific feature, number, step, operation, element, component or combination of the foregoing, and should not be understood as first excluding the existence or addition of one or more other features, numbers, steps, operations, elements, components or combinations of the foregoing.

[0027] In various embodiments of the utility model, the expression "or" or "at least one of B or / and C" includes any combination or all combinations of the listed words. For example, the expression "B or C" or "at least one of B or / and C" can include B, can include C or can include both B and C.

[0028] The expressions used in various embodiments of the present application, such as "first", "second", etc., can modify various constituent elements in various embodiments, but can not limit the corresponding constituent elements. For example, the above expressions do not limit the order and / or importance of the elements. The above expressions are only for the purpose of distinguishing one element from other elements. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, without departing from the scope of various embodiments of the present application, a first element can be referred to as a second element, and similarly, a second element can be referred to as a first element.

[0029] It should be noted that if the description connects one constituent element to another constituent element or is connected to another constituent element, the first constituent element can be directly connected to the second constituent element, and a third constituent element can be connected between the first constituent element and the second constituent element. Conversely, when one constituent element is directly connected to another constituent element or is directly connected to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.

[0030] The terms used in various embodiments of the present application are only for the purpose of describing specific embodiments and are not intended to limit various embodiments of the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise. Unless otherwise defined, all terms used herein, including technical terms and scientific terms, have the same meaning as commonly understood by those skilled in the art to which various embodiments of the present application belong. The terms such as those defined in a generally used dictionary will be interpreted to have the same meaning as the contextual meaning in the relevant technical field and will not be interpreted to have an idealized meaning or an overly formal meaning, unless clearly defined in various embodiments of the present application.

[0031] To make the purpose, technical scheme and advantages of the present application more clear and obvious, the present application will be further described in detail below with reference to the embodiments and drawings. The illustrative embodiments of the present application and their descriptions are only for the purpose of explaining the present application and not as a limitation of the present application.

[0032] In some embodiments, referring to Figure 1 The present application provides a locomotive power data acquisition system, comprising:

[0033] A first computer;

[0034] A mobile storage device is connected to the first computer through the USB interface of the first computer;

[0035] A plurality of sensors are arranged on the frame, axle box and car body of the locomotive to collect dynamic data of the locomotive.

[0036] A second computer is connected with the plurality of sensors to collect the dynamic data.

[0037] A wireless router is used to connect the first computer and the second computer.

[0038] As can be seen from the above description, the locomotive dynamic data acquisition system provided by the application can achieve remote wireless download of test data in advance on the ground by loading a 4G wireless router on the dynamic test locomotive. The ground personnel can wirelessly transmit the relevant data collected in the industrial PC of the dynamic test locomotive to a U disk before the train arrives at the station. After the train arrives, the operating personnel only need to get on the train to replace the U disk, greatly reducing the data download time after the locomotive arrives, fully compressing the time of occupying the track after the train arrives, and improving the efficiency of railway transportation.

[0039] Preferably, the first computer can be a household computer, such as a desktop computer or a notebook computer, and the second computer can be an industrial PC. It can be understood that the industrial PC (Industrial PC, IPC) is a computer system specially designed for industrial environments. Compared with traditional household computers, industrial PCs have stronger durability, stability and customized functions for specific application scenarios, and can operate stably for a long time in harsh environments (such as high temperature, low temperature, humidity, vibration, electromagnetic interference, etc.). Specifically, the main features of the industrial PC include:

[0040] Durability and reliability: Industrial PCs are designed to withstand harsh industrial environments, such as extreme temperatures, humidity, dust, electromagnetic interference, etc., so they usually have anti-vibration, anti-impact, anti-high or low temperature, etc. characteristics. Meet industrial certification standards, such as IP65 protection level, etc., can resist dust, water droplets and other environmental factors.

[0041] High performance and long time running capability: Industrial PCs usually need to have the ability to run continuously for 24 hours, so their design has high requirements in terms of heat dissipation and power management. The hardware configuration of the industrial PC can be customized according to the needs, which can carry high-performance processors (such as Intel Core series, AMD Ryzen, etc.), high-speed memory and large-capacity storage devices to ensure that high-load tasks can be processed.

[0042] Expansion and flexibility: Industrial PCs usually have multiple I / O interfaces to support the connection of different input and output devices, such as serial ports (RS232 / RS485), parallel ports, USB, LAN, etc.

[0043] Industrial computers can effectively exchange data with industrial automation equipment, support common industrial protocols such as Modbus, CAN Bus, Profibus, EtherCAT, etc., and ensure seamless communication with PLC, sensors, robots and other devices.

[0044] Mobile Storage Devices refers to devices that can store data and have portability, used for data transmission, backup, sharing and storage. Mobile storage device types include:

[0045] U disk (USB Flash Drive): USB interface is used to connect computers or other devices. It usually uses flash memory (NAND Flash) as storage medium, without mechanical hard disk. It has the characteristics of small size, easy to carry, plug and play, simple operation, support hot plug, fast plug and play, convenient to use, etc.

[0046] Portable hard disk (Portable Hard Drive): refers to external hard disk, including mechanical hard disk (HDD) or solid state disk (SSD). It is connected to the computer through USB, Thunderbolt or eSATA interface, providing large capacity storage. Its advantages include:

[0047] Provide large capacity storage (usually 500GB to several TB), suitable for storing large files. Can be used for data backup, file archiving and media storage.

[0048] Sensors on train locomotives are key components to ensure the safe and efficient operation of trains. They are used to monitor the status of locomotives and tracks, and transmit data to the control system to achieve real-time monitoring and automatic adjustment. Preferably, the sensors in the present application include:

[0049] Speed sensor: used to measure the real-time speed of the train, set in the train speed control, anti-skid protection and braking system. Types include: optical encoder: calculates speed through pulse signals generated by wheel rotation. Doppler radar: measures speed using Doppler effect.

[0050] Acceleration sensor: used to measure the acceleration and vibration of the train to monitor the stability of the train, anti-collision system and passenger comfort. Types include: piezoelectric acceleration sensor: measures acceleration based on piezoelectric effect. MEMS acceleration sensor: miniaturized, low cost, suitable for embedded applications.

[0051] Temperature Sensors: Used to monitor the temperature of critical parts of the locomotive to prevent overheating failures and ensure proper operation. Types include: Thermocouples: Suitable for high-temperature environments (e.g., engines, brake systems). NTC / PTC Thermistors: Used for medium-low temperature measurements (e.g., bearings, electrical equipment).

[0052] Pressure Sensors: Monitor the pressure of gases or liquids, installed in brake systems, air compression systems, and hydraulic systems. Types include: Piezoresistive Pressure Sensors: Measure pressure based on the piezoresistive effect. Capacitive Pressure Sensors: High precision, suitable for low-pressure measurements.

[0053] Displacement Sensors: Measure the displacement or position of mechanical components, installed in bogies, door controls, and suspension systems. Types include: Linear Variable Differential Transformers (LVDT): High precision, suitable for linear displacement measurements. Hall Effect Sensors: Measure position based on changes in the magnetic field.

[0054] Current and Voltage Sensors: Monitor the current and voltage of electrical systems, installed in traction motors, battery management systems, and power distribution systems. Types include: Hall Effect Current Sensors: Non-contact measurement, suitable for high currents. Shunt Resistance Current Sensors: Low cost, suitable for low currents.

[0055] Humidity Sensors: Monitor environmental humidity, used for cabin environmental control and electrical equipment moisture protection. Types include: Capacitive Humidity Sensors: Based on changes in capacitance caused by humidity changes. Resistive Humidity Sensors: Based on changes in resistance caused by humidity changes.

[0056] Vibration Sensors: Monitor the vibration state of mechanical components, used for fault diagnosis of bearings, gearboxes, and bogies. Types include: Piezoelectric Vibration Sensors: Suitable for high-frequency vibration monitoring. MEMS Vibration Sensors: Miniaturized, suitable for embedded applications.

[0057] Proximity Sensors: Detect whether an object is approaching or leaving, installed in door controls, obstacle detection, and train marshalling. Types include: Inductive Proximity Sensors: Used for metal object detection. Photoelectric Proximity Sensors: Used for non-metal object detection.

[0058] Force Sensors: Measure the force exerted on mechanical components, installed for traction force monitoring, suspension system analysis, and brake systems. Types include: Strain Gauge Force Sensors: Measure force based on strain gauges. Piezoelectric Force Sensors: Suitable for dynamic force measurements.

[0059] A wireless router is a network device that converts wired network signals into wireless signals, allowing multiple devices to connect to the same network through Wi-Fi. Wireless routers include:

[0060] WAN port: Connects to external networks (such as a broadband modem).

[0061] LAN port: Connects to wired devices.

[0062] Antenna: Enhances wireless signal.

[0063] Processor and memory: Process data packets and run firmware.

[0064] In some embodiments, the second computer is an industrial computer, and the wireless router is a 4G router. The industrial computer is connected to the plurality of sensors through a dual-redundant vehicle bus and a transmission medium MVB bus.

[0065] The collected data enters the industrial computer through a network cable, and the 4G router performs port forwarding on the web collection interface and the industrial computer remote desktop. At the same time, a high-gain antenna is equipped to ensure signal strength, allowing data collection from the locomotive to be dumped anytime and anywhere through the 4G network.

[0066] MVB bus (Multifunction Vehicle Bus) is a communication network specifically designed for rail transit vehicles, mainly used for data transmission between various subsystems within the train. It has the following characteristics:

[0067] Real-time: MVB bus is designed for high real-time requirements, ensuring data transmission within a specified time.

[0068] Reliability: Redundant design and error detection mechanisms are used to ensure data transmission reliability.

[0069] Multiple device support: Supports multiple devices connecting and communicating simultaneously, suitable for complex train systems.

[0070] Data transmission rate: Typically supports 1.5 Mbps data transmission rate, meeting the needs of most train control systems.

[0071] MVB bus can use multiple transmission media, the specific choice depends on the application environment and requirements:

[0072] Electrical medium (EMD): Twisted pair: commonly used transmission medium, low cost and easy to install. Coaxial cable: suitable for long-distance transmission, strong anti-interference ability.

[0073] Optical fiber medium (OGF): Optical fiber: suitable for scenarios requiring high bandwidth and long-distance transmission, strong anti-electromagnetic interference ability.

[0074] In some embodiments, the industrial computer includes a power board, an MVB board, a wireless communication board, a CPU board, and a gateway board.

[0075] In some embodiments, a locomotive power data acquisition system further comprises:

[0076] A box for protecting the second computer, comprising: a case body, a case bottom plate, a case front panel, and a case rear panel.

[0077] In some embodiments, the CPU board and the wireless communication board are arranged on the case bottom plate through metal columns, the case bottom plate is connected with the case body through screws, and the lower ends of the front and rear sides of the case body are connected with the case front panel and the case rear panel through mounting seats.

[0078] In some embodiments, the sensors include stress sensors, acceleration sensors, strain sensors, and deflection angle sensors.

[0079] In some embodiments, a locomotive power data acquisition system further comprises:

[0080] A high-gain antenna for enhancing the strength of the wireless signal of the wireless router.

[0081] A high-gain antenna is an antenna that can concentrate wireless signals in a specific direction, thereby improving signal strength and coverage. It is commonly used in scenarios that require long-distance transmission or signal enhancement. It generally has the following characteristics:

[0082] High gain: By focusing the signal, a high-gain antenna provides stronger signals in a specific direction.

[0083] Strong directivity: It usually has a narrow beam width, suitable for point-to-point communication.

[0084] Wide coverage: In a specific direction, the signal can be transmitted farther.

[0085] In some embodiments, the mobile storage device includes a display screen for displaying the storage progress of the power data.

[0086] In some embodiments, the power data includes axle box vibration, frame vibration, car body vibration, frame stress, car body stress, and suspension displacement data.

[0087] Axle box vibration, frame vibration, car body vibration, frame stress, car body stress, and suspension displacement data are key parameters in the health monitoring and fault diagnosis of rail transit vehicles. These data can reflect the running state of the train, help identify potential problems and optimize maintenance strategies.

[0088] Axle box vibration: The axle box is a key component connecting the wheel and the bogie, and its vibration data reflects the interaction between the wheel and the track. Function: Detect wheel out-of-roundness, bearing failure or track irregularities. Evaluate the smoothness and safety of train operation.

[0089] Frame vibration: Frame is the main structure of bogie, and its vibration data reflects the overall dynamic characteristics of the bogie. Action: Identify the structure looseness or fatigue cracks of the bogie; evaluate the vibration transmission between the bogie and the car body.

[0090] Car body vibration: Car body vibration data reflects the vibration level of the whole train. Used to detect the vibration transmission problem between the car body and the bogie.

[0091] Frame stress: Frame stress data reflects the force condition of the bogie in operation. Action: Detect the fatigue or overload of the frame; evaluate the strength of the bogie structure.

[0092] Car body stress: Car body stress data reflects the force condition of the car body in operation. Action: Detect the structure fatigue or damage of the car body; evaluate the strength of the car body.

[0093] Suspension displacement: Suspension displacement data reflects the dynamic changes of the suspension system in operation. Action: Detect the suspension system failure (such as spring break or shock absorber failure). Evaluate the performance of the suspension system.

[0094] In some embodiments, the mobile storage device is a USB flash disk.

[0095] The locomotive power data acquisition system provided by the embodiment of the utility model, comprising: a first computer; a mobile storage device, which is connected with the first computer through a USB interface of the first computer; a plurality of sensors, which are arranged on a frame, an axle box and a car body of a locomotive, and are used for acquiring power data of the locomotive; a second computer, which is connected with the plurality of sensors and is used for collecting the power data; and a wireless router, which is used for connecting the first computer and the second computer.

[0096] In summary, the locomotive power data acquisition system provided by the present application enables efficient transmission of locomotive operation data information, realizes real-time tracking of the position of the locomotive, and also provides real-time reception and display of important information such as the running state of the locomotive, thereby providing technical means for improving the operation capacity and accuracy of the locomotive, and realizing full-process recording of locomotive data, remote dumping of files, and remote dumping function of full-process files. This function provides an important technical means for ground personnel to remotely obtain locomotive remote recording files, and provides data for timely and accurate dumping for ground personnel. The system data transmission is stable, and the system forms tasks such as wireless transmission of locomotive information, real-time monitoring of locomotive operation, remote dumping of full-process files, operation safety analysis, operation management and automatic statistics of locomotive data.

[0097] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included. In the description of the present application, "a plurality of" means two or more, unless otherwise specified.

[0098] The description of the terms "one embodiment", "one specific embodiment", "some embodiments", "for example", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. The order of steps involved in each embodiment is used to illustrate the implementation of the present application, and the order of steps is not limited, and can be adjusted as needed.

[0099] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0100] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the present application, and it should be understood that the above description is only for specific embodiments of the present application and does not limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A locomotive power data acquisition system characterized by, The utility model relates to a kind of locomotive dynamic data acquisition system, including: First computer; Mobile storage device, is connected with the first computer by the USB interface of the first computer; Multiple sensors are arranged on the frame, axle box, car body of locomotive, for collecting the power data of locomotive; Second computer, connect with the multiple sensors, for collecting the power data; Wireless router, for connecting the first computer with the second computer.

2. The locomotive power data acquisition system of claim 1, wherein, The second computer is industrial computer, and the wireless router is 4G router;The industrial computer is connected with the multiple sensors by double-redundancy vehicle bus and transmission medium MVB bus.

3. The locomotive power data acquisition system of claim 2, wherein, The industrial computer includes: power board, MVB board, wireless communication board, CPU board and gateway board.

4. The locomotive power data acquisition system of claim 3, wherein, Also include: Box, for protecting the second computer, including: case main body, case bottom plate, case front panel and case rear panel.

5. The locomotive power data acquisition system of claim 4, wherein, The CPU board and the wireless communication board are arranged on the case bottom plate by metal column, and the case bottom plate is connected with the case main body by screw, and the lower end of the case main body front and rear sides is connected with the case front panel and the case rear panel by mounting seat.

6. The locomotive power data acquisition system of claim 1, wherein, The sensor includes: stress sensor, acceleration sensor, strain sensor and deflection angle sensor.

7. The locomotive power data acquisition system of claim 1, wherein, Also include: High-gain antenna, for enhancing the strength of wireless signal of the wireless router.

8. The locomotive power data acquisition system of claim 1, wherein, The mobile storage device includes: display screen, for showing the storage progress of the power data.

9. The locomotive power data acquisition system of claim 1, wherein, The power data includes: axle box vibration, frame vibration, car body vibration, frame stress, car body stress and suspension displacement data.

10. The locomotive power data acquisition system of claim 1, wherein, The mobile storage device is USB flash drive.

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