CN115061406B - Trailer network control system and method for new type of centralized power EMU - Google Patents
Trailer network control system and method for new type of centralized power EMU Download PDFInfo
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- CN115061406B CN115061406B CN202210747833.9A CN202210747833A CN115061406B CN 115061406 B CN115061406 B CN 115061406B CN 202210747833 A CN202210747833 A CN 202210747833A CN 115061406 B CN115061406 B CN 115061406B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
本发明公开了一种新型动力集中动车组的拖车网络控制系统及方法，拖车网络控制系统包括：多个交换机单元、多个集成式网络节点单元、监控终端及列车级主机；交换机单元布和集成式网络节点单元分别设于每一拖车及餐座合造车中；通过所述集成式网络节点单元接收汇总其所在车厢的子系统网络数据，并根据预设条件对子系统网络数据进行分级传输至交换机单元；监控终端布设于餐座合造车中，通过交换机单元接收并汇总子系统网络数据；列车级主机布设于所述餐座合造车中，列车级主机接收监控终端输出的汇总后的子系统网络数据，完成列车级通信，通过本发明提高了数据传输的传输速率，数据传输更加科学有效，并使拖车网络在设备不冗余情况下通过实现冗余，实现网络控制更加可靠，安全。
The invention discloses a novel trailer network control system and method for a centralized power train set. The trailer network control system comprises: a plurality of switch units, a plurality of integrated network node units, a monitoring terminal and a train-level host. The switch unit and the integrated network node unit are respectively arranged in each trailer and a dining and seating combined vehicle. The subsystem network data of the carriage where the carriage is located is received and summarized by the integrated network node unit, and the subsystem network data is hierarchically transmitted to the switch unit according to preset conditions. The monitoring terminal is arranged in the dining and seating combined vehicle, and receives and summarizes the subsystem network data through the switch unit. The train-level host is arranged in the dining and seating combined vehicle, and the train-level host receives the summarized subsystem network data output by the monitoring terminal to complete the train-level communication. The invention improves the transmission rate of data transmission, makes data transmission more scientific and effective, and makes the trailer network realize redundancy when the equipment is not redundant, so that the network control is more reliable and safe.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a novel trailer network control system and method for a power-concentrated motor train unit.
Background
The existing trailer network control system of the power centralized motor train unit adopts a traditional Lonwoks network, is divided into a vehicle-level network architecture and a train-level network architecture, the vehicle-level network is provided with a plurality of communication terminals to interact with a network subsystem, a network communication node gathers vehicle-level Lonkworks communication data and forwards the data to a train-level Lonworks bus, the vehicle-level communication data is gathered to a monitoring terminal and finally sent to a train-level host, the system is limited by a Lonworks transmission rate and a half-duplex interaction mechanism, network data transmission is slow, time delay is large, key equipment lacks redundancy, and network reliability is affected.
Therefore, there is an urgent need to develop a trailer network control system and method for a novel power-concentrated motor train unit, which overcome the above-mentioned drawbacks.
Disclosure of Invention
In order to solve the above problems, the present invention provides a trailer network control system of a novel power-concentrated motor train unit, which includes:
the switch units are arranged in each trailer and the dining seat combined vehicle and are connected through Ethernet;
The integrated network node units are arranged in each trailer and the dining seat combined vehicle and are connected to the switch units of the respective carriage in a one-to-one correspondence manner through Ethernet, subsystem network data summarizing the carriage where the integrated network node units are positioned are received through the integrated network node units, and the subsystem network data are transmitted to the switch units in a grading manner according to preset conditions;
The monitoring terminal is arranged in the dining seat combined vehicle, is connected with the switch unit of the carriage where the monitoring terminal is positioned through an Ethernet, and receives and gathers the subsystem network data through the switch unit;
The train-level host is arranged in the dining seat combined vehicle and is connected with the switch unit of the carriage where the train-level host is located through an Ethernet, the train-level host is further electrically connected with the monitoring terminal, and the train-level host receives the summarized subsystem network data output by the monitoring terminal to complete train-level communication.
The trailer network control system described above, wherein each of the integrated network node units includes:
The control board communication module is connected with a power supply system and a carriage monitoring screen of a carriage through an RS232 bus, and is also connected with an under-vehicle power supply device of the carriage through Lonwoks network, and the control board communication module collects the subsystem network data of the power supply system, the carriage monitoring screen and the under-vehicle power supply device;
The first subsystem communication module is connected with a shaft temperature system or a shaft temperature system and an insulation detection system of a carriage through an RS485 bus, and is used for acquiring the subsystem network data of the shaft temperature system or acquiring the subsystem network data of the shaft temperature system and the insulation detection system;
the second subsystem communication module is connected with an antiskid device of a carriage through an RS232 bus and is also connected with a pyrotechnic system of the carriage through an RS485 bus, and the second subsystem communication module collects subsystem network data of the antiskid device and the pyrotechnic system;
the third subsystem communication module is connected to the sliding plug door of the carriage through an RS485 bus and is used for collecting subsystem network data of the sliding plug door;
And the subsystem network data processing module is used for setting a mark for each subsystem network data according to a preset condition, sequencing all the subsystem network data according to the mark and outputting the sequenced subsystem network data.
The trailer network control system comprises the type mark and the time mark, wherein the preset conditions comprise that subsystem network data influencing driving safety are set to be A type marks, monitoring data are set to be B type marks, communication node monitoring data of other trailers are set to be C type marks, and the subsystem network data processing module sorts and outputs all subsystem network data according to the A type marks, the B type marks and the C type marks and the time mark.
The trailer network control system further comprises a passenger information control unit, wherein the passenger information control unit is arranged in the dining seat combined vehicle, is connected to the switch unit of a carriage where the passenger information control unit is located through an Ethernet, receives the attribute information of the integrated network node unit and the monitoring terminal and maintains global network node index information, and when the monitoring terminal fails, the passenger information control unit receives subsystem network data through the switch unit and outputs the subsystem network data to the train-level host computer to complete train-level communication.
In the trailer network control system, each integrated network node unit receives attribute information of other integrated network node units, the passenger information control unit and the monitoring terminal and maintains global network node index information, when the monitoring terminal and the passenger information control unit fail, one integrated network node unit is determined according to a preset priority, receives subsystem network data through the switch unit and outputs the subsystem network data to the train-level host, and train-level communication is completed.
The invention also provides a novel trailer network control method of the power-concentrated motor train unit, which comprises the following steps:
The data acquisition step is that subsystem network data summarizing the carriage where the subsystem network data summarize is received through an integrated network node unit;
Step of data hierarchical transmission, namely carrying out hierarchical transmission on the subsystem network data to the switch unit through the integrated network node unit according to preset conditions;
And the data monitoring step is that the subsystem network data output by the switch unit is received through a monitoring terminal, and the subsystem network data is summarized through the monitoring terminal and then output to a train-level host computer, so that train-level communication is completed.
The trailer network control method, wherein the data acquisition step comprises the following steps:
Collecting the subsystem network data of a power supply system of a carriage, a carriage monitoring screen and an under-vehicle power supply device through a control panel communication module;
Collecting subsystem network data of a shaft temperature system of a carriage by a first subsystem communication module, or collecting subsystem network data of the shaft temperature system and an insulation detection system by the first subsystem communication module;
collecting the subsystem network data of the antiskid device and the pyrotechnic system of the carriage through a second subsystem communication module;
And collecting subsystem network data of the sliding plug door of the carriage by a third subsystem communication module.
The trailer network control method, wherein the step of data hierarchical transmission comprises the following steps:
setting a mark for each subsystem network data according to a preset condition through a subsystem network data processing module, and outputting all the subsystem network data after sequencing according to the mark;
The preset conditions comprise that subsystem network data influencing driving safety are set as A type marks, monitoring data are set as B type marks, communication node monitoring data of other trailers are set as C type marks, and the subsystem network data processing module sorts and outputs all subsystem network data according to the A type marks, the B type marks and the C type marks and the time marks.
The trailer network control method, wherein the data monitoring step further comprises:
And when the monitoring terminal fails, the passenger information control unit receives the subsystem network data through the switch unit and outputs the subsystem network data to the train-level host computer to complete train-level communication.
The trailer network control method, wherein the data monitoring step further comprises:
And when the monitoring terminal and the passenger information control unit fail, determining one integrated network node unit to receive subsystem network data through the switch unit and output the subsystem network data to the train-level host computer according to a preset priority, so as to complete train-level communication.
Compared with the prior art, the invention has the following effects:
the invention changes the existing distributed management of the vehicle network equipment into the centralized modularized management, greatly improves the transmission rate of the vehicle network, carries out hierarchical transmission of network data, optimizes the train network transmission mechanism, ensures more timely and effective trailer data feedback, dynamically designates key equipment software functions, and ensures the communication control safety of the trailer and the locomotive.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a trailer network control system of the present invention;
fig. 2 is a schematic structural diagram of the integrated network node unit in fig. 1;
FIG. 3 is a schematic diagram of hierarchical data transmission;
FIG. 4 is a schematic diagram of all nodes interacting train level attribute information;
fig. 5 is a flow chart of a trailer network control method of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The exemplary embodiments of the present invention and the descriptions thereof are intended to illustrate the present invention, but not to limit the present invention. In addition, the same or similar reference numerals are used for the same or similar parts in the drawings and the embodiments.
As used herein, the terms "first," "second," "S1," "S2," and the like do not denote a particular order or sequence, nor are they intended to limit the invention, but are merely used to distinguish one element or operation from another in the same technical terms.
With respect to directional terms used herein, such as up, down, left, right, front or rear, etc., reference is made only to the directions of the drawings. Thus, directional terminology is used for purposes of illustration and is not intended to be limiting.
As used herein, the terms "comprising," "including," "having," "containing," and the like are intended to be inclusive and mean an inclusion, but not limited to.
As used herein, "and/or" includes any or all combinations of such things.
The term "plurality" as used herein includes "two" and "more than two", and the term "plurality" as used herein includes "two" and "more than two".
The terms "about," "approximately" and the like as used herein are used to modify any quantitative or positional deviation that could vary slightly without such slight variation or positional deviation altering its nature. In general, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the above mentioned values can be adjusted according to the actual requirements, and are not limited thereto.
Certain words used to describe the application will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a trailer network control system according to the present invention. As shown in FIG. 1, the trailer network control system of the novel power-concentrated motor train unit comprises a plurality of exchanger units 11, 12 and 13, a plurality of integrated network node units 21, 22 and 23, a monitoring terminal 3 and a train-level host 4, wherein the exchanger units 11, 12 and 13 are arranged in each trailer T and dining car C, the exchanger units 11, 12 and 13 are connected through Ethernet, the integrated network node units 21, 22 and 23 are arranged in each trailer T and the dining car C and are connected to the exchanger units 11, 12 and 13 of the respective carriages through Ethernet in a one-to-one correspondence manner, subsystem network data summarizing the carriages in which the integrated network node units 21, 22 and 23 are arranged, the subsystem network data is transmitted to the exchanger unit 12 in the dining car C in a grading manner according to preset conditions, the monitoring terminal 3 is arranged in the dining car C, the exchanger units 12 connected to the carriages in the dining car C through Ethernet are arranged, the exchanger units 3 are connected to the exchanger units 3 through Ethernet, the subsystem network data is further connected to the train-level host 4, and the subsystem network data summarizing the subsystem network data is further transmitted to the train-level host 4.
Referring to fig. 2, fig. 2 is a schematic structural diagram of the integrated network node unit in fig. 1. As shown in fig. 2, each of the integrated network node units 21, 22, 23 comprises:
The control board communication module J1 is connected with a power supply system and a carriage monitoring screen of a carriage through an RS232 bus, and is also connected with an under-vehicle power supply device of the carriage through a Lonwoks network, and the control board communication module collects the subsystem network data of the power supply system, the carriage monitoring screen and the under-vehicle power supply device;
the first subsystem communication module J2 is connected with a shaft temperature system or a shaft temperature system and an insulation detection system of a carriage through an RS485 bus, and is used for acquiring the subsystem network data of the shaft temperature system or acquiring the subsystem network data of the shaft temperature system and the insulation detection system;
the second subsystem communication module J3 is connected with an antiskid device of a carriage where the antiskid device is located through an RS232 bus, and is also connected with a pyrotechnic system of the carriage where the antiskid device is located through an RS485 bus, and the second subsystem communication module collects subsystem network data of the antiskid device and the pyrotechnic system;
The third subsystem communication module J4 is connected to the sliding plug door of the carriage through an RS485 bus and is used for collecting subsystem network data of the sliding plug door;
And the subsystem network data processing module J5 is used for setting a mark for each subsystem network data according to a preset condition, sequencing all the subsystem network data according to the mark and outputting the sequenced subsystem network data.
The preset conditions comprise that subsystem network data influencing driving safety are set as A type marks, monitoring data are set as B type marks, communication node monitoring data of other trailers are set as C type marks, and the subsystem network data processing module sorts and outputs all subsystem network data according to the A type marks, the B type marks and the C type marks and the time marks.
Therefore, the distributed communication terminals are integrated to form the integrated network node unit, the subsystem keeps the existing mode communication, and each module gathers subsystem network data into the subsystem network data processing module J5 for processing through the backboard bus, so that the original vehicle Lonwoks network is canceled, namely the vehicle-level bus is canceled, and the train-level adopts the Ethernet bus for transmission, thereby reducing the time delay of the existing vehicle-level network and improving the data communication bandwidth.
Referring to fig. 3, fig. 3 is a schematic diagram of data hierarchical transmission. As shown in fig. 3, in this embodiment, the subsystem network data is transmitted in a hierarchical manner, and is classified into class a data, such as vehicle door, loop, fire alarm and other data affecting driving safety, class B data, such as status, temperature, numerical value and other monitoring data, and class C data, such as other vehicle communication node monitoring data, according to the importance and urgency of the subsystem network data.
The concrete explanation is as follows:
The method comprises the steps that A, a subsystem network data processing module J5 detects that a sensitive variable is changed, the variable type, the length and the numerical value of the changed variable are packaged into network data, the time of a transmitted task is set as a current time mark, a mark A is added, and the network data are pushed into a transmitting structure;
In the class B data processing method, a subsystem network data processing module J5 starts a periodic transmission time timer, and after the timer is overtime, the subsystem network data processing module J5 packages fixed data into network data, sets the transmitted task time as a current time mark, adds a mark B and pushes the task time into a transmission structure body;
in the class C data processing method, after receiving monitoring requests of other communication nodes, a subsystem network data processing module J5 encapsulates network data into a self vehicle state, sets the sent task time as a current time mark, adds a mark C mark and pushes the task time into a sending structure;
before transmitting data, the subsystem network data processing module J5 reorders the data in the transmitting structure body according to the type mark A, B, C and the current time mark in the transmitting task, and finally completes the data queue to be transmitted, and the subsystem network data processing module J5 transmits the data to the train network according to the mode that the current time mark is the same according to the priority of A, B, C and the type mark.
Referring to fig. 4 in combination with fig. 1, fig. 4 is a schematic diagram of interaction of train-level attribute information by all nodes. As shown in fig. 4, the trailer network control system of the present invention further includes a passenger information control unit 5 disposed in the dining table combined vehicle C and connected to the switch unit 12 of the carriage where the passenger information control unit 5 is located through an ethernet network, wherein the passenger information control unit 5 receives attribute information of the integrated network node units 21, 22, 23 and the monitoring terminal 3 and maintains global network node index information, and when the monitoring terminal fails, the passenger information control unit 5 receives the subsystem network data through the switch unit 12 and outputs the subsystem network data to the train-level host 4, thereby completing train-level communication.
Further, each of the integrated network node units 21, 22, 23 receives attribute information of other integrated network node units, the passenger information control unit 5 and the monitoring terminal 3 and maintains global network node index information, and when the monitoring terminal 3 and the passenger information control unit 5 fail, determines that one of the integrated network node units receives subsystem network data through the switch unit and outputs the subsystem network data to the train-level host 4 according to a preset priority, so as to complete train-level communication.
Specifically, the monitor terminal 3 is responsible for collecting subsystem network data of all integrated network node units and sending control instructions to the integrated network node units, and summarizing information of all integrated network node units to the train host 4 (TCDS), so once the monitor terminal fails, the locomotive cannot collect trailer network data, and is in a critical position in the whole trailer network, but the hardware is not designed with redundancy, and for this purpose, the train-level master control function is designed as a dynamic assignment mechanism in software, and the assignment method is as follows:
the integrated network node unit, the monitoring terminal and the passenger information control unit are structurally divided into two basic communication functions, namely a vehicle-level communication function and a train-level communication function, wherein the vehicle-level communication function is mainly responsible for communication with a subsystem in a carriage, and the train-level passenger information control unit function is mainly responsible for data uploading of a local subsystem and communication with a train-level host computer, so that the monitoring function of a train on a vehicle is completed.
After the integrated network node unit, the monitoring terminal and the passenger information control unit are powered on, starting the communication function with the vehicle-level network subsystem to ensure the monitoring of the vehicle internal communication subsystem, and the train-level communication function obtains the train-level master control function through a dynamic election mechanism principle;
The monitoring terminal and the passenger information control unit are positioned in the same carriage, the priority of the communication power with the train-level host is set to be 1 and 2, and the priority of other integrated network node units can be sequentially specified according to carriage number information;
After power-on, the integrated network node unit, the monitoring terminal and the passenger information control unit start an attribute sending timer to send respective attribute information at regular time, wherein the attribute information comprises a carriage number, equipment type and default priority; the integrated network node unit, the monitoring terminal and the passenger information control unit are used for receiving attribute information of other devices (the monitoring terminal, the passenger information control unit and the integrated network node unit) and maintaining global network node index information in each device, wherein the train network only has the attribute information;
if the selected node equipment receives node attribute information with higher priority in operation, the node equipment automatically exits communication with the train host 4 and returns to the original communication level, and the unselected node equipment starts a detection timer, does not acquire a heartbeat signal of the train host 4 in a set time, and starts a new dynamic assignment mechanism.
In other words, the invention firstly presets the highest priority of the monitoring terminal 3, when the attribute information of the monitoring terminal 3 is always in index information, the monitoring terminal 3 always gathers the subsystem network data and outputs the subsystem network data to the train-level host computer to finish train-level communication, when the attribute information of the monitoring terminal 3 is not in index information, namely the monitoring terminal 3 fails, the passenger information control unit with the next priority gathers the subsystem network data and outputs the subsystem network data to the train-level host computer to finish train-level communication, and if the attribute information of the passenger information control unit is not in index information, the integrated network node unit with the smallest carriage number gathers the subsystem network data and outputs the subsystem network data to the train-level host computer to finish train-level communication, and the like.
It should be noted that the present invention is not limited to the number of trailers, and in practice, the designer may increase or decrease the number of trailers according to the requirement, and correspondingly increase or decrease the number of switch units and integrated network node units.
Referring to fig. 5, fig. 5 is a flowchart of a trailer network control method according to the present invention. As shown in fig. 5, the trailer network control method of the novel power-concentrated motor train unit of the invention comprises the following steps:
the data acquisition step S1 is to receive subsystem network data summarizing a carriage where the subsystem network data is located through an integrated network node unit;
Step S2 of data hierarchical transmission, namely carrying out hierarchical transmission on the subsystem network data to the switch unit through the integrated network node unit according to preset conditions;
And step S3, receiving the subsystem network data output by the switch unit through a monitoring terminal, summarizing the subsystem network data through the monitoring terminal, and outputting the summarized subsystem network data to a train-level host computer to complete train-level communication.
The data acquisition step S1 includes:
Collecting the subsystem network data of a power supply system of a carriage, a carriage monitoring screen and an under-vehicle power supply device through a control panel communication module;
Collecting subsystem network data of a shaft temperature system of a carriage by a first subsystem communication module, or collecting subsystem network data of the shaft temperature system and an insulation detection system by the first subsystem communication module;
collecting the subsystem network data of the antiskid device and the pyrotechnic system of the carriage through a second subsystem communication module;
And collecting subsystem network data of the sliding plug door of the carriage by a third subsystem communication module.
Further, the step S2 of hierarchical data transmission includes:
setting a mark for each subsystem network data according to a preset condition through a subsystem network data processing module, and outputting all the subsystem network data after sequencing according to the mark;
The preset conditions comprise that subsystem network data influencing driving safety are set as A type marks, monitoring data are set as B type marks, communication node monitoring data of other trailers are set as C type marks, and the subsystem network data processing module sorts and outputs all subsystem network data according to the A type marks, the B type marks and the C type marks and the time marks.
Still further, the data monitoring step S3 further includes:
Receiving attribute information of the integrated network node unit and the monitoring terminal through a passenger information control unit and maintaining global network node index information, when the monitoring terminal fails, the passenger information control unit receives subsystem network data through the switch unit and outputs the subsystem network data to the train-level host computer to complete train-level communication, and
And when the monitoring terminal and the passenger information control unit fail, determining one passenger information control unit to receive subsystem network data through the switch unit and output the subsystem network data to the train-level host computer according to a preset priority, so as to complete train-level communication.
In summary, the invention reduces the number of network devices, cancels the vehicle-level bus, improves the transmission rate of data transmission, is more scientific and effective in data transmission, and realizes the redundancy design of the monitoring terminal through the integrated network node unit and the passenger information control unit under the condition that the devices are not redundant in the trailer network, thereby realizing more reliable and safe network control.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments or equivalents may be substituted for some of the technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention in essence of the corresponding technical solutions.
Claims (6)
1. Novel trailer network control system of power centralized EMUs, characterized in that includes:
the switch units are arranged in each trailer and the dining seat combined vehicle and are connected through Ethernet;
The integrated network node units are arranged in each trailer and the dining seat combined vehicle and are connected to the switch units of the respective carriage in a one-to-one correspondence manner through Ethernet, subsystem network data summarizing the carriage where the integrated network node units are positioned are received through the integrated network node units, and the subsystem network data are transmitted to the switch units in a grading manner according to preset conditions;
The monitoring terminal is arranged in the dining seat combined vehicle, is connected with the switch unit of the carriage where the monitoring terminal is positioned through an Ethernet, and receives and gathers the subsystem network data through the switch unit;
The train-level host is arranged in the dining seat combined vehicle and is connected with the switch unit of the carriage where the train-level host is located through an Ethernet, the train-level host is also electrically connected with the monitoring terminal, and the train-level host receives the summarized subsystem network data output by the monitoring terminal to complete train-level communication;
the passenger information control unit is arranged in the dining table combined car, is connected to the switch unit of a carriage where the passenger information control unit is positioned through an Ethernet, receives attribute information of the integrated network node unit and the monitoring terminal and maintains global network node index information, and when the monitoring terminal fails, receives subsystem network data through the switch unit and outputs the subsystem network data to the train-level host computer to complete train-level communication;
And when the monitoring terminal and the passenger information control unit fail, determining one integrated network node unit to receive subsystem network data through the switch unit and output the subsystem network data to the train-level host computer according to a preset priority, so as to complete train-level communication.
2. The trailer network control system of claim 1, wherein each of said integrated network node units comprises:
The control board communication module is connected with a power supply system and a carriage monitoring screen of a carriage through an RS232 bus, and is also connected with an under-vehicle power supply device of the carriage through Lonwoks network, and the control board communication module collects the subsystem network data of the power supply system, the carriage monitoring screen and the under-vehicle power supply device;
The first subsystem communication module is connected with a shaft temperature system or a shaft temperature system and an insulation detection system of a carriage through an RS485 bus, and is used for acquiring the subsystem network data of the shaft temperature system or acquiring the subsystem network data of the shaft temperature system and the insulation detection system;
the second subsystem communication module is connected with an antiskid device of a carriage through an RS232 bus and is also connected with a pyrotechnic system of the carriage through an RS485 bus, and the second subsystem communication module collects subsystem network data of the antiskid device and the pyrotechnic system;
the third subsystem communication module is connected to the sliding plug door of the carriage through an RS485 bus and is used for collecting subsystem network data of the sliding plug door;
And the subsystem network data processing module is used for setting a mark for each subsystem network data according to a preset condition, sequencing all the subsystem network data according to the mark and outputting the sequenced subsystem network data.
3. The trailer network control system of claim 2, wherein the markers include a type marker and a time marker, the preset condition includes setting the subsystem network data affecting driving safety as a type A marker, setting monitoring data as a type B marker, setting communication node monitoring data of other trailers as a type C marker, and the subsystem network data processing module outputs all the subsystem network data after sequencing according to the type A marker, the type B marker, the type C marker and the time marker.
4. A novel trailer network control method for a power-concentrated motor train unit is characterized by comprising the following steps:
The data acquisition step is that subsystem network data summarizing the carriage where the subsystem network data summarize is received through an integrated network node unit;
step of data hierarchical transmission, namely performing hierarchical transmission on the subsystem network data to a switch unit through the integrated network node unit according to preset conditions;
The data monitoring step is that the subsystem network data output by the exchanger unit is received through a monitoring terminal, and the subsystem network data is summarized through the monitoring terminal and then output to a train-level host computer to finish train-level communication;
wherein the data monitoring step further comprises:
Receiving attribute information of the integrated network node unit and the monitoring terminal through a passenger information control unit and maintaining global network node index information, when the monitoring terminal fails, the passenger information control unit receives subsystem network data through the switch unit and outputs the subsystem network data to the train-level host computer to complete train-level communication, and
And when the monitoring terminal and the passenger information control unit fail, determining one integrated network node unit to receive subsystem network data through the switch unit and output the subsystem network data to the train-level host computer according to a preset priority, so as to complete train-level communication.
5. The trailer network control method of claim 4, wherein the data acquisition step comprises:
Collecting the subsystem network data of a power supply system of a carriage, a carriage monitoring screen and an under-vehicle power supply device through a control panel communication module;
Collecting subsystem network data of a shaft temperature system of a carriage by a first subsystem communication module, or collecting subsystem network data of the shaft temperature system and an insulation detection system by the first subsystem communication module;
collecting the subsystem network data of the antiskid device and the pyrotechnic system of the carriage through a second subsystem communication module;
And collecting subsystem network data of the sliding plug door of the carriage by a third subsystem communication module.
6. The trailer network control method of claim 5, wherein the step of hierarchically transmitting data comprises:
setting a mark for each subsystem network data according to a preset condition through a subsystem network data processing module, and outputting all the subsystem network data after sequencing according to the mark;
The preset conditions comprise that subsystem network data influencing driving safety are set as A type marks, monitoring data are set as B type marks, communication node monitoring data of other trailers are set as C type marks, and the subsystem network data processing module sorts and outputs all subsystem network data according to the A type marks, the B type marks and the C type marks and the time marks.
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Patent Citations (1)
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Non-Patent Citations (2)
| Title |
|---|
| 基于LonWorks通信的动车组拖车网络控制系统;陈立等;控制与信息技术;20191031;第73-74页、图3-4 * |
| 复兴号高原双源动力集中动车组关键技术;钱铭等;中国铁路;20220615;第5页3.4节、图7 * |
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