CN213933143U - Train on-line monitoring system - Google Patents
Train on-line monitoring system Download PDFInfo
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- CN213933143U CN213933143U CN202120131420.9U CN202120131420U CN213933143U CN 213933143 U CN213933143 U CN 213933143U CN 202120131420 U CN202120131420 U CN 202120131420U CN 213933143 U CN213933143 U CN 213933143U
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Abstract
The utility model discloses a train on-line monitoring system, including setting up a plurality of sensors on every vehicle of train, set up at least one comprehensive diagnosis appearance on every vehicle of train and set up the system host computer on the train, comprehensive diagnosis appearance is connected respectively with a plurality of sensors, the system host computer is connected respectively with the comprehensive diagnosis appearance on each vehicle of train, can gather the monitoring signal of the walking portion rotary part of train through the sensor, rethread comprehensive diagnosis appearance draws the monitoring signal that the sensor gathered, and carry out data processing to monitoring signal, generate the data processing result, acquire the data processing result of the comprehensive diagnosis appearance on each vehicle of train by the system host computer at last, compared with the prior art, can reduce part quantity and cable wiring, reduce installation cost, make things convenient for the site operation.
Description
Technical Field
The utility model relates to a rail transit technical field, in particular to train on-line monitoring system.
Background
With the popularization of urban rail transit in China, the safe operation of urban rail trains becomes extremely important. The abnormal state of the key components of the train is one of the important hidden dangers of the safe operation of the train, so people generally need to install an online monitoring system on the train to monitor the state of the key components of the train, such as a running gear and the like, in real time so as to ensure the safe operation of the train.
In the prior art, an on-line monitoring system applied to a train running part needs to install 1 vehicle-mounted diagnostic instrument, 2-4 front processors, 8-16 sensors and a plurality of patch cords on each vehicle of a train, and is difficult to construct on site and high in cost due to the fact that the number of installed components and the number of the patch cords are large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a train on-line monitoring system can reduce part quantity and cable routing, reduces installation cost, makes things convenient for the site operation.
The utility model provides a train on-line monitoring system, a serial communication port, include:
the sensors are arranged on each vehicle of the train and are used for acquiring monitoring signals of a rotating part of the train running part;
the comprehensive diagnostic instrument is arranged on each vehicle of the train, is respectively connected with the sensors and is used for extracting the monitoring signals and carrying out data processing on the monitoring signals to generate data processing results;
and the system host is arranged on the train, is respectively connected with the comprehensive diagnostic instrument on each train and is used for acquiring a data processing result of the comprehensive diagnostic instrument on each train.
Preferably, the comprehensive diagnostic apparatus is mounted on a bogie of the train.
Preferably, the system main machine is installed in a control cabinet and/or an electrical cabinet of the train.
Preferably, the system host is the comprehensive diagnostic instrument arranged on a vehicle at the head of the train and/or the comprehensive diagnostic instrument arranged on a vehicle at the tail of the train.
Preferably, the System host is provided with an MVB (Multifunction Vehicle Bus) communication interface or an Ethernet communication interface for communication between the System host and a TCMS (Train Control and Management System).
Preferably, the system host is further provided with an ATC (Automatic Train Control) and EB (Emergency Brake) hard wire alarm Control interface and/or a system failure output interface.
Preferably, the comprehensive diagnostic instrument is provided with a POE (Power Over Ethernet) interface which is used for being connected with a POE switch installed on the train.
Preferably, the number of the sensors arranged on each vehicle of the train is 1-16, and the number of the comprehensive diagnostic instruments arranged on each vehicle of the train is 1.
Preferably, the number of the sensors arranged on each vehicle of the train is 9-16, the number of the comprehensive diagnostic instruments arranged on each vehicle of the train is 2, and the number of the sensors connected with each comprehensive diagnostic instrument is not more than 8.
Preferably, the number of the sensors arranged on each vehicle of the train is 9-16, the number of the comprehensive diagnostic instruments arranged on each vehicle of the train is 2, and the number of the sensors connected with each comprehensive diagnostic instrument is not more than 8; synthesize the diagnosis appearance and be equipped with the POE interface, 2 that set up on every vehicle of train synthesize the diagnosis appearance and pass through POE interface interconnect, one of them synthesize the diagnosis appearance and pass through the POE interface with install in POE switch on the train is connected.
Preferably, the comprehensive diagnostic apparatus comprises a signal preprocessing unit, a data processing unit, a communication unit and a power processing unit which are connected in sequence;
the signal preprocessing unit is used for extracting the monitoring signal and preprocessing the signal;
the data processing unit is used for carrying out data processing on the monitoring signal after the signal preprocessing, generating a data processing result and storing the data processing result;
the communication unit is used for realizing network communication and sending the data processing result to the POE interface;
the power supply processing unit is connected with the POE interface and used for carrying out power supply isolation and power supply conversion on the power supply obtained by the POE switch.
Preferably, the comprehensive diagnostic apparatus further comprises a peripheral circuit connected to the data processing unit, the peripheral circuit including a reset circuit, a clock circuit, and a debug interface circuit.
Preferably, the comprehensive diagnostic apparatus further comprises a rotation speed processing unit connected to the data processing unit, and configured to process the rotation speed signal.
The utility model provides an on-line train monitoring system, including a plurality of sensors arranged on each vehicle of the train, at least one comprehensive diagnostic apparatus arranged on each vehicle of the train and a system host arranged on the train, the comprehensive diagnostic apparatus is respectively connected with the plurality of sensors, the system host is respectively connected with the comprehensive diagnostic apparatus on each vehicle of the train, the monitoring signal of the rotating part of the train running part can be collected through the sensors, the monitoring signal collected by the sensors is extracted through the comprehensive diagnostic apparatus, the data processing is carried out on the monitoring signal to generate a data processing result, and finally the data processing result of the comprehensive diagnostic apparatus on each vehicle of the train is obtained by the system host, because the monitoring signal collected by the sensors is directly extracted through the comprehensive diagnostic apparatus, a front processor is not required to be installed, thus not only reducing the number of parts, but also reducing the cable wiring, compared with the prior art, the number of parts and cable wiring can be reduced, the installation cost is reduced, and the site construction is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an on-line train monitoring system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another train on-line monitoring system provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a comprehensive diagnostic apparatus provided by an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an on-line train monitoring system according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of another train on-line monitoring system provided by an embodiment of the present invention; fig. 3 is a schematic structural diagram of a comprehensive diagnostic apparatus provided by an embodiment of the present invention.
The on-line train monitoring system comprises a plurality of sensors 10 arranged on each vehicle of the train, at least one comprehensive diagnostic instrument 20 arranged on each vehicle of the train and a system host 30 arranged on the train, wherein the comprehensive diagnostic instruments 20 are respectively connected with the sensors 10, the system host 30 is respectively connected with the comprehensive diagnostic instruments 20 on each vehicle of the train, the sensors 10 are used for collecting monitoring signals of a rotating part of a train running part, the comprehensive diagnostic instruments 20 are used for extracting the monitoring signals and carrying out data processing on the monitoring signals to generate data processing results, and the system host 30 is used for obtaining the data processing results of the comprehensive diagnostic instruments 20 on each vehicle of the train.
In the embodiment of the present invention, each vehicle of the train is provided with a plurality of sensors 10 and at least one comprehensive diagnostic device 20, the train is provided with a system host 30, the comprehensive diagnostic device 20 is responsible for managing each sensor 10 on the vehicle, the system host 30 manages the comprehensive diagnostic device 20 on each vehicle of the train in a unified manner, wherein the sensors 10 can be installed on the rotating parts of the running part of the train, such as axle box bearings, gear boxes or motors, etc., to collect the monitoring signals of the rotating parts, such as vibration, impact, temperature, etc., the comprehensive diagnostic device 20 directly extracts the monitoring signals collected by each sensor 10 through software, and processes the monitoring signals to generate data processing results, and finally the system host 30 obtains the data processing results of the comprehensive diagnostic device 20 of the whole train, because the monitoring signals collected by the sensors 10 are directly extracted through the comprehensive diagnostic device 20, the installation of a front processor is not needed, so that the number of components is reduced, cable wiring can be reduced, and compared with the prior art, the number of components and the cable wiring can be reduced, the installation cost is reduced, and the field construction is convenient.
In specific implementation, the comprehensive diagnostic apparatus 20 is mounted on a bogie of a train. In this embodiment, the comprehensive diagnostic apparatus 20 is mounted on the bogie below the train body, and does not need to occupy the space of the train body, so that the comprehensive diagnostic apparatus can be applied to the situation that the vehicle-mounted diagnostic apparatus is mounted in a space-free manner in some vehicle types.
As a preferred embodiment of the present invention, the system host 30 is installed in the control cabinet and/or the electrical cabinet of the train. In this embodiment, when the train on-line monitoring system needs to extend the interface outward, the system host 30 is configured separately and is installed in the control cabinet on the train, and of course, may also be installed in the electrical cabinet on the train.
Further, in the above embodiment, the system host 30 is provided with an MVB communication interface or an ethernet communication interface for communication between the system host 30 and the TCMS. In this embodiment, the system host 30 communicates with the TCMS module through the MVB communication interface or the ethernet communication interface, sends status data such as temperature, vibration, impact status data, vehicle monitoring status data, and device operating condition status data to the TCMS, and obtains vehicle status data such as mileage, vehicle speed, kilometer posts, time, up and down, wheel diameter, load, driving direction, driving mode, and garage returning status from the TCMS. In specific implementation, the system host 30 may further be configured with other external expansion interfaces, such as an ATC and EB hard-line alarm control interface and a system failure output interface.
As another preferred embodiment of the present invention, the system host 30 is a comprehensive diagnostic device 20 disposed on the first vehicle of the train and/or a comprehensive diagnostic device 20 disposed on the tail vehicle of the train. In this embodiment, when the train on-line monitoring system does not need an external interface, the system host 30 does not need to be configured separately, the comprehensive diagnostic apparatuses 20 on each vehicle are configured in a master mode and a slave mode, two comprehensive diagnostic apparatuses 20 on the first vehicle and the last vehicle of the train are simultaneously used as the system host 30, and of course, one of the comprehensive diagnostic apparatuses 20 on the first vehicle and the last vehicle of the train can also be used as the system host 30, so as to uniformly manage the state data of each comprehensive diagnostic apparatus 20 and communicate with the TCMS. It can be understood that, at this time, the sensor 10, the comprehensive diagnostic device 20 and the system host 30 of the on-line train monitoring system are all installed below the train body, so that the number of cable wires can be further reduced, and the installation cost can be saved.
Further, in the above embodiment, the comprehensive diagnostic apparatus 20 is provided with a POE interface 210, which is used for connecting with a POE switch installed on the train. In this embodiment, because generally install the POE switch on the train, and the POE switch is connected with the train maintenance net, consequently comprehensive diagnosis appearance 20 can send the data processing result to system's host computer 30 through the POE switch through POE interface 210, and simultaneously, because the POE switch can supply power for equipment through the mode of net twine power supply, consequently comprehensive diagnosis appearance 20 can also acquire the power from the POE switch through POE interface 210, so, the data transmission and the power supply of comprehensive diagnosis appearance 20 only need a cable can accomplish, can further reduce cable routing. It can be understood that when the on-train monitoring system does not separately configure the system host 30, the comprehensive diagnostic device 20 located on the first vehicle of the train and/or the comprehensive diagnostic device 20 located on the tail vehicle of the train as the system host 30 can directly communicate with the TCMS through the POE switch.
As a preferred embodiment of the utility model, the number of the sensor 10 that sets up on every vehicle of train is 1 ~ 16, and the number of the comprehensive diagnosis appearance 20 that sets up on every vehicle of train is 1. In the embodiment, 1-16 sensors and 1 comprehensive diagnostic instrument are arranged on each vehicle of the train, and 1-16 sensors are managed through the 1 comprehensive diagnostic instrument.
As another preferred embodiment of the utility model, the number of the sensor 10 that sets up on every vehicle of train is 9 ~ 16, and the number of the comprehensive diagnostic apparatus 20 that sets up on every vehicle of train is 2, and the number of the sensor 10 that every comprehensive diagnostic apparatus 20 is connected is no longer than 8. In this embodiment, set up 9 ~ 16 sensors and 2 comprehensive diagnosis appearance on every vehicle of train, the quantity of the sensor of every comprehensive diagnosis appearance management does not exceed 8, and every comprehensive diagnosis appearance all through POE interface lug connection to POE switch.
As another preferred embodiment of the present invention, the number of the sensors 10 disposed on each vehicle of the train is 9-16, the number of the comprehensive diagnostic devices 20 disposed on each vehicle of the train is 2, and the number of the sensors 10 connected to each comprehensive diagnostic device 20 is not more than 8; the comprehensive diagnosis instrument 20 is provided with a POE interface 210, 2 comprehensive diagnosis instruments 20 arranged on each train are connected with each other through the POE interface 210, and one of the comprehensive diagnosis instruments 20 is connected with a POE switch arranged on the train through the POE interface 210. In this embodiment, the difference from the previous embodiment is that 2 comprehensive diagnostic apparatuses on the same vehicle are connected to each other through a POE interface, and wherein 1 comprehensive diagnostic apparatus is connected to a POE switch through a POE interface.
Specifically, in each of the above embodiments, the comprehensive diagnostic apparatus 20 includes a signal preprocessing unit, a data processing unit 250, a communication unit 260, and a power processing unit, which are connected in sequence; the signal preprocessing unit is used for extracting monitoring signals and preprocessing the signals; the data processing unit 250 is configured to perform data processing on the monitoring signal after signal preprocessing, generate a data processing result, and store the data processing result; the communication unit 260 is configured to implement network communication and send a data processing result to the POE interface 210; the power processing unit is connected to the POE interface 210, and is configured to perform power isolation and power conversion on the power obtained from the POE switch.
The embodiment of the utility model provides an in, the signal preprocessing unit draws the vibration that each sensor 10 gathered, strike, monitoring signal such as temperature, and carry out signal preprocessing, then carry out data diagnosis processing to the monitoring signal after signal preprocessing through data processing unit 250, generate data processing result and save, rethread communication unit 260 sends the data processing result to POE interface 210, and simultaneously, can carry out power isolation and power conversion to the power that acquires from the POE switch through the power processing unit, for the 20 power supplies of comprehensive diagnosis appearance. That is to say, the comprehensive diagnostic apparatus 20 can perform signal preprocessing on the monitoring signals, and can perform data diagnostic processing on the monitoring signals after signal preprocessing, which is equivalent to integrating the functions of the pre-processor and the vehicle-mounted diagnostic apparatus, further reducing the number of connecting cables, and improving the consistency and stability of the signals.
Specifically, in the above embodiment, the signal preprocessing unit includes an interface circuit 220, an anti-aliasing filter circuit 230, and an analog-to-digital converter 240, which are connected in sequence, where the interface circuit 220 is connected to the sensor 10, and the analog-to-digital converter 240 is connected to the data processing unit 250.
In the embodiment of the present invention, the interface circuit 220 can control the power supply of the sensor 10, such as power-off, power-on, overvoltage and overcurrent protection, and simultaneously perform temperature measurement control and temperature data processing on the sensor 10, and perform I/V or V/I or signal isolation transformation on the analog monitoring signal collected by the sensor 10; the anti-aliasing filter circuit 230 can perform anti-aliasing filtering on the analog quantity monitoring signal acquired by the sensor 10 to avoid signal aliasing; the analog-to-digital converter 240 converts the analog monitoring signal collected by the sensor 10 into digital quantity and sends the digital quantity to the data processing unit 250.
Specifically, in the above embodiment, the data processing unit 250 includes a CPU and an FPGA chip or a CPU integrated with an FPGA chip.
The embodiment of the utility model provides an in, data processing unit 250 can adopt the CPU of having integrateed the FPGA chip, also can adopt solitary CPU and FPGA chip, handles the monitoring signal that sensor 10 gathered, including temperature data processing, vibration impact signal extraction, diagnosis processing and data storage etc. output temperature, vibration, impact state data simultaneously to and the state information such as the warning of vehicle, save the data and the state data of sampling, or send remote terminal through POE interface 210.
Specifically, in the above embodiment, the communication unit 260 includes a PHY chip and an ethernet transformer. In this embodiment, the PHY chip is connected to the data processing unit 250 and the ethernet transformer, and the ethernet transformer establishes the connection between the data processing unit 250 and the POE interface 210 through the ethernet.
Specifically, in the above embodiment, the power processing unit includes a POE power supply circuit 270 and a power conversion circuit 280. In this embodiment, the POE power supply circuit 270 is connected to the POE interface 210, and the power obtained from the POE switch is isolated and then input to the power conversion circuit 280, and the voltage conversion is performed by the power conversion circuit 280 to the voltage required by the comprehensive diagnostic apparatus 20, which includes +15V, +5V, +3.3V, 1.8V, and the like.
Further, in the above embodiment, the comprehensive diagnostic apparatus 20 further includes the peripheral circuit 290 connected to the data processing unit 250, and the peripheral circuit 290 includes a reset circuit, a clock circuit, and a debug interface circuit.
Further, in the above embodiment, the comprehensive diagnostic apparatus 20 further includes a rotation speed processing unit connected to the data processing unit 250 for processing the rotation speed signal. In this embodiment, the rotation speed signal may be obtained from the network through the POE interface 210, or may be input from the rotation speed sensor through the rotation speed processing unit.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. An on-line train monitoring system, comprising:
the sensors are arranged on each vehicle of the train and are used for acquiring monitoring signals of a rotating part of the train running part;
the comprehensive diagnostic instrument is arranged on each vehicle of the train, is respectively connected with the sensors and is used for extracting the monitoring signals and carrying out data processing on the monitoring signals to generate data processing results;
and the system host is arranged on the train, is respectively connected with the comprehensive diagnostic instrument on each train and is used for acquiring a data processing result of the comprehensive diagnostic instrument on each train.
2. The on-line train monitoring system of claim 1 wherein the integrated diagnostic unit is mounted on a bogie of the train.
3. The on-line train monitoring system according to claim 2, wherein the system host is installed in a control cabinet and/or an electrical cabinet of the train.
4. The on-line train monitoring system as claimed in claim 2, wherein the system host is the comprehensive diagnostic instrument disposed on the head train vehicle and/or the comprehensive diagnostic instrument disposed on the tail train vehicle.
5. The on-line train monitoring system according to claim 1, wherein the system host is provided with an MVB communication interface or an ethernet communication interface for communication between the system host and the TCMS.
6. The on-line train monitoring system according to claim 5, wherein the system host is further provided with an ATC and EB hard wire alarm control interface and/or a system failure output interface.
7. The on-line train monitoring system as claimed in claim 1, wherein the comprehensive diagnostic device is provided with a POE interface for connecting with a POE switch installed on the train.
8. The on-line train monitoring system according to claim 7, wherein the number of the sensors arranged on each train vehicle is 1-16, and the number of the comprehensive diagnostic instruments arranged on each train vehicle is 1.
9. The on-line train monitoring system according to claim 7, wherein the number of the sensors arranged on each train vehicle is 9-16, the number of the comprehensive diagnostic instruments arranged on each train vehicle is 2, and the number of the sensors connected with each comprehensive diagnostic instrument is not more than 8.
10. The on-line train monitoring system according to claim 1, wherein the number of the sensors arranged on each train vehicle is 9-16, the number of the comprehensive diagnostic instruments arranged on each train vehicle is 2, and the number of the sensors connected with each comprehensive diagnostic instrument is not more than 8; synthesize the diagnosis appearance and be equipped with the POE interface, 2 that set up on every vehicle of train synthesize the diagnosis appearance and pass through POE interface interconnect, one of them synthesize the diagnosis appearance and pass through the POE interface with install in POE switch on the train is connected.
11. The on-line train monitoring system according to any one of claims 7 to 10, wherein the comprehensive diagnostic apparatus comprises a signal preprocessing unit, a data processing unit, a communication unit and a power processing unit which are connected in sequence;
the signal preprocessing unit is used for extracting the monitoring signal and preprocessing the signal;
the data processing unit is used for carrying out data processing on the monitoring signal after the signal preprocessing, generating a data processing result and storing the data processing result;
the communication unit is used for realizing network communication and sending the data processing result to the POE interface;
the power supply processing unit is connected with the POE interface and used for carrying out power supply isolation and power supply conversion on the power supply obtained by the POE switch.
12. The on-line train monitoring system of claim 11, wherein the integrated diagnostic unit further comprises peripheral circuits connected to the data processing unit, the peripheral circuits including a reset circuit, a clock circuit, and a debug interface circuit.
13. The on-line train monitoring system of claim 12, wherein the comprehensive diagnostic device further comprises a rotational speed processing unit connected to the data processing unit for processing the rotational speed signal.
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| CN202120131420.9U CN213933143U (en) | 2021-01-18 | 2021-01-18 | Train on-line monitoring system |
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| CN202120131420.9U CN213933143U (en) | 2021-01-18 | 2021-01-18 | Train on-line monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088429A (en) * | 2021-11-17 | 2022-02-25 | 北京国信会视科技有限公司 | Train dynamics index monitoring and calculating cluster |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088429A (en) * | 2021-11-17 | 2022-02-25 | 北京国信会视科技有限公司 | Train dynamics index monitoring and calculating cluster |
| CN114088429B (en) * | 2021-11-17 | 2023-11-14 | 北京国信会视科技有限公司 | Train dynamics index monitoring and calculating cluster |
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