Pantograph valve plate program upgrading and state monitoring method

Abstract

The invention discloses a pantograph valve plate program upgrading and state monitoring method, which comprises the following steps of: accessing a maintenance tool through a switch so as to establish network connection with a pantograph valve plate, and recording and monitoring an operator and an operation instruction of the maintenance tool through a vehicle network; a program upgrading instruction and an application program needing to be upgraded can be sent to the valve plate through the vehicle authorization port, and the pantograph valve plate is operated to conduct program upgrading operation. Maintenance personnel can carry out maintenance operation conveniently, the maintenance personnel and maintenance operation instructions can be recorded by a vehicle network, and management and fault tracing are facilitated; when the program version of the pantograph valve plate needs to be updated, a user can directly operate through a vehicle authorization port.

Description

Technical Field

[0001] The present invention relates to a pantograph technology for rail transit vehicles, and in particular to a pantograph valve plate program upgrade and status monitoring method. Background Art

[0002] The pantograph is a current-collecting device for electric locomotives to obtain electric energy from the contact network. With the development of high-speed railways, the stable contact between the pantograph and the contact network has become the key to ensuring the safety of train power supply. The train draws current from the contact network through the pantograph under high-speed conditions, and its current collection must be absolutely reliable and uninterrupted, otherwise it will affect the performance of the EMU's driving and electrical drive. Currently, most manufacturers use active control methods, by configuring active control valve plates, adjusting the pantograph airbag pressure in real time, thereby effectively improving the stability of the pantograph-network current collection.

[0003] The program upgrade and status monitoring of the active control valve plate generally need to be accessed through the maintenance port on the valve plate. During maintenance, it is necessary to open the cover or other locking device at the installation location, and access the valve plate through the maintenance port connected by a data cable for operation. This operation method has certain inconveniences: first, the installation locations of pantograph valve plates of different models are different, and some installation locations have narrow spaces and are difficult for personnel to operate; second, maintenance personnel and maintenance operations need to rely on written records for management. If there are unauthorized changes that exceed the scope of operation, it is difficult to trace; third, program version management is difficult. If the screen version is found to be incorrect, the user cannot operate to restore the correct version and needs to contact the maintenance personnel for operation.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a pantograph valve plate program upgrade and status monitoring method to solve the problems of inconvenient operation and difficult management of the pantograph valve plate maintenance process in the prior art.

[0006] The objective of the present invention is achieved through the following technical solutions:

[0007] The pantograph valve plate program upgrade and status monitoring method of the present invention is provided with a switch in the vehicle body, and a communication module, a storage module and an application program unit are provided on the pantograph valve plate. The maintenance personnel access the pantograph valve plate through the switch maintenance interface, and use any of the following schemes to perform application program upgrade and status monitoring on the pantograph valve plate through the switch maintenance interface:

[0008] Solution 1: The maintenance personnel connects the maintenance tool to the switch, logs in through the authentication method set by the user, establishes a network connection with the pantograph valve board communication module through the switch, and sends program upgrade, status monitoring instructions and application programs to be upgraded to the pantograph valve board;

[0009] Solution 2: The user sends program upgrade instructions and the application to be upgraded to the pantograph valve plate through the vehicle authorization port. The two establish communication in accordance with UDP, FTP or a protocol agreed upon by both parties, and send program upgrade, status monitoring instructions and the application to be upgraded to the pantograph valve plate;

[0010] When Plan 1 is adopted, instructions from Plan 2 will no longer be accepted; similarly, when Plan 2 is adopted, instructions from Plan 1 will no longer be accepted; the priority of the two is determined according to the time of establishing communication with the pantograph valve plate communication module, and the party with the earlier time has the authority to send instructions first, and this authority is released after the communication is completed.

[0011] Compared with the prior art, the pantograph valve plate program upgrade and status monitoring method provided by the present invention has the following advantages:

[0012] Beneficial effects:

[0013] The pantograph valve plate maintenance tool accesses the pantograph valve plate through the switch maintenance interface, avoiding inconvenience for maintenance personnel due to the narrow installation position of the valve plate;

[0014] By accessing the pantograph valve plate maintenance tool through the vehicle network, the login personnel, login time and operation instructions can be recorded, which is convenient for standardized operation and management traceability;

[0015] The method of sending the pantograph valve plate program upgrade command through the vehicle authorization port facilitates vehicle version management. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of a first embodiment of a method for upgrading a pantograph valve plate program and monitoring its status provided by an embodiment of the present invention;

[0017] Figure 2 A schematic diagram of a second embodiment of a pantograph valve plate program upgrade and status monitoring method provided by an embodiment of the present invention;

[0018] Figure 3 A workflow diagram of a pantograph valve plate program upgrade and status monitoring method provided in an embodiment of the present invention.

[0019] In the figure:

[0020] 1. Pantograph valve plate maintenance tool, 2. Switch, 3. Pantograph valve plate, 4. Pantograph valve plate communication module, 5. Pantograph valve plate application, 6. Pantograph valve plate storage module, 7. Vehicle authorization port, 8. Vehicle allocation port. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, not all of the embodiments, which does not constitute a limitation of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the present invention.

[0022] The contents not described in detail in the examples of the present invention belong to the prior art known to professionals in the field. If no specific conditions are specified in the examples of the present invention, the conditions are carried out according to the conventional conditions in the field or the conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used in the examples of the present invention, they are all conventional products that can be purchased commercially.

[0023] The pantograph valve plate program upgrade and status monitoring method of the present invention is provided with a switch in the vehicle body, and a communication module, a storage module and an application program unit are provided on the pantograph valve plate. The maintenance personnel access the pantograph valve plate through the switch maintenance interface, and use any of the following schemes to perform application program upgrade and status monitoring on the pantograph valve plate through the switch maintenance interface:

[0024] Solution 1: The maintenance personnel connects the maintenance tool to the switch, logs in through the authentication method set by the user, establishes a network connection with the pantograph valve board communication module through the switch, and sends program upgrade, status monitoring instructions and application programs to be upgraded to the pantograph valve board;

[0025] Solution 2: The user sends program upgrade instructions and the application to be upgraded to the pantograph valve plate through the vehicle authorization port. The two establish communication in accordance with UDP, FTP or a protocol agreed upon by both parties, and send program upgrade, status monitoring instructions and the application to be upgraded to the pantograph valve plate;

[0026] When Plan 1 is adopted, instructions from Plan 2 will no longer be accepted; similarly, when Plan 2 is adopted, instructions from Plan 1 will no longer be accepted; the priority of the two is determined according to the time of establishing communication with the pantograph valve plate communication module, and the party with the earlier time has the authority to send instructions first, and this authority is released after the communication is completed.

[0027] In the first solution, the program upgrade process is as follows:

[0028] The pantograph valve plate communication module receives the program upgrade instruction from the maintenance tool, and transmits the instruction to the pantograph valve plate application via an electrical signal. After the pantograph valve plate application receives the program upgrade instruction from the pantograph valve plate communication module, it first sends a backup instruction to the pantograph valve plate storage module to back up the existing application. After confirming that the backup is complete, it requests the maintenance tool to send the application to be upgraded. After receiving the program, it executes the program upgrade operation. If a failure occurs during the program upgrade process, the backup program in the storage module will be restored to avoid entering an abnormal state without a program, thereby ensuring the basic working performance of the pantograph valve plate.

[0029] In scheme 1, the status monitoring process is:

[0030] The pantograph valve plate communication module receives the status monitoring instruction from the maintenance tool, and transmits the instruction to the pantograph valve plate application via an electrical signal. After the pantograph valve plate application receives the status monitoring instruction from the pantograph valve plate communication module, it accesses and retrieves the corresponding status information according to the instruction, sends the queried information to the pantograph valve plate communication module, and then displays it to the maintenance personnel through the human-computer interaction interface of the maintenance tool via the switch.

[0031] In the second scheme, after the pantograph communication module verifies the port that sends the instruction, it establishes communication with it, identifies the program upgrade instruction through the communication protocol, and after successful identification, transmits the instruction to the pantograph valve plate application in the form of an electrical signal. After the pantograph valve plate application receives the program upgrade instruction from the pantograph valve plate communication module, it first sends a backup instruction to the pantograph valve plate storage module to back up the existing application. After confirming that the backup is complete, it requests the vehicle authorization port to send the application to be upgraded through the communication module. After receiving the program, it executes the program upgrade operation. If a failure occurs during the program upgrade process, the backup program in the storage module will be restored to avoid entering an abnormal state without a program, thereby ensuring the basic working performance of the pantograph valve plate.

[0032] When the pantograph valve plate is upgraded or the status is monitored through the above-mentioned solution 1 or solution 2, the pantograph valve plate communication module is not affected to maintain the original communication status with the vehicle;

[0033] The original communication state is: the vehicle distribution port and the pantograph valve plate interact through the vehicle network, and the pantograph valve plate needs to receive and feedback information transmission for operation.

[0034] In summary, the pantograph valve plate program upgrade and status monitoring method according to the embodiment of the present invention is as follows:

[0035] The pantograph valve plate maintenance tool is accessed through the switch maintenance interface. Since the switch is large and requires routine maintenance, it is installed in the vehicle body where maintenance work is easier to carry out. It is more convenient for operators to upgrade the program and monitor the status of the pantograph valve plate through the switch maintenance interface.

[0036] Through the switch, users can identify and verify the logged-in maintenance personnel through the vehicle network, and capture part or all of the maintenance operation instructions sent by the maintenance tool to the pantograph valve plate through the vehicle network.

[0037] The user can establish communication with the pantograph valve plate communication module through the vehicle authorization port through UDP, FTP or other mutually agreed protocols, and then send the application and upgrade instructions that need to be upgraded to the pantograph valve plate. After receiving the instructions, the pantograph valve plate communication module sends them to the application. The application first sends a program backup instruction to the storage module, backs up the existing application in the storage module, and then upgrades the program; if a failure occurs during the upgrade process, the backup program in the storage module can be restored to avoid entering an abnormal state without a program, thereby ensuring the basic working performance of the pantograph valve plate. The backup protection measures during the program upgrade process are also applicable when the upgrade instruction is sent through the maintenance tool.

[0038] The pantograph valve plate maintenance tool can be installed on a laptop computer for use, and includes a human-computer interaction interface. It realizes network connection with the switch maintenance interface through Ethernet or MVB connection line, and is used to send program upgrade instructions, status monitoring instructions, and applications to be upgraded to the pantograph valve plate; the switch and the pantograph valve plate communication module exchange network information through Ethernet or MVB connection line to establish a network connection; the pantograph valve plate application is installed on the pantograph valve plate, and exchanges information with the pantograph communication module through electrical signals, and is used to receive and execute program upgrade and status monitoring instructions; the pantograph storage module is installed on the pantograph valve plate, and exchanges information with the pantograph valve plate application through electrical signals, and is used to receive and execute program backup instructions; the vehicle authorization port is a network port, and is connected to the switch through Ethernet or MVB connection line, and is used to send pantograph valve plate program upgrade instructions and applications to be upgraded; the vehicle allocation port is a network port, and is connected to the pantograph valve plate communication module through Ethernet or MVB connection line to send and receive information required for the operation of the pantograph valve plate.

[0039] In order to more clearly demonstrate the technical solution and technical effects provided by the present invention, the embodiments of the present invention are described in detail with specific embodiments below.

[0040] Example 1

[0041] like Figure 1As shown:

[0042] The maintenance personnel connect the maintenance tool to the switch, log in through the authentication method set by the user, establish a network connection with the pantograph valve plate communication module through the switch, and send program upgrade, status monitoring instructions and application programs that need to be upgraded to the pantograph valve plate.

[0043] The program upgrade process is as follows: the pantograph valve plate communication module receives the program upgrade instruction from the maintenance tool, and transmits the instruction to the pantograph valve plate application via an electrical signal. After the pantograph valve plate application receives the program upgrade instruction from the pantograph valve plate communication module, it first sends a backup instruction to the pantograph valve plate storage module to back up the existing application. After confirming that the backup is complete, it requests the maintenance tool to send the application to be upgraded. After receiving the program, the program upgrade operation is executed. If a failure occurs during the program upgrade process, the backup program in the storage module can be restored to avoid entering an abnormal state without a program, thereby ensuring the basic working performance of the pantograph valve plate.

[0044] The status monitoring process is as follows: the pantograph valve plate communication module receives the status monitoring instruction from the maintenance tool, and transmits the instruction to the pantograph valve plate application via an electrical signal. After the pantograph valve plate application receives the status monitoring instruction from the pantograph valve plate communication module, it accesses and retrieves the corresponding status information according to the instruction, sends the queried information to the pantograph valve plate communication module, and then displays it to the maintenance personnel through the human-computer interaction interface of the maintenance tool via the switch.

[0045] Embodiment 2:

[0046] like Figure 2 As shown:

[0047] The user sends program upgrade instructions and the application to be upgraded to the pantograph valve plate through the vehicle authorization port. The communication between the two must follow UDP, FTP or other protocols agreed upon by both parties. Otherwise, even if the pantograph valve plate communication module recognizes the port for sending information as an authorized port, it cannot recognize the instructions sent by the port and cannot perform the operation.

[0048] After the pantograph communication module verifies the port that sends the instruction, it establishes communication with it, identifies the program upgrade instruction through the communication protocol, and transmits the instruction to the pantograph valve plate application in the form of an electrical signal after successful identification. After the pantograph valve plate application receives the program upgrade instruction from the pantograph valve plate communication module, it first sends a backup instruction to the pantograph valve plate storage module to back up the existing application. After confirming that the backup is complete, it requests the vehicle authorization port to send the application to be upgraded through the communication module. After receiving the program, it executes the program upgrade operation. If a failure occurs during the program upgrade process, the backup program in the storage module can be restored to avoid entering an abnormal state without a program, thereby ensuring the basic working performance of the pantograph valve plate.

[0049] Workflow such as Figure 3 As shown:

[0050] When the pantograph valve plate is upgraded and the status is monitored through the maintenance tool, the command from the vehicle authorization port is not received; similarly, when the pantograph valve plate is upgraded through the vehicle authorization port, the command from the maintenance tool is not received. The priority of the two is determined by the time of establishing communication with the pantograph valve plate communication module. The party with the earlier time has the priority to send commands, and the authority is released after the communication is completed.

[0051] When the program is upgraded or the status is monitored with the pantograph valve plate in the above two ways, the pantograph valve plate communication module will not be affected to maintain the original communication status with the vehicle. The original communication status is that the vehicle allocation port and the pantograph valve plate interact through the vehicle network, and the pantograph valve plate needs to receive and feedback information transmission for operation.

[0052] The pantograph valve plate program upgrade and status monitoring method of the present invention can access the maintenance tool through the switch, thereby establishing a network connection with the pantograph valve plate, and record and monitor the operator and operation instructions of the maintenance tool through the vehicle network; the program upgrade instruction and the application program to be upgraded can be sent to the valve plate through the vehicle authorization port, and the pantograph valve plate can be operated to perform program upgrade operations. The invention can facilitate maintenance personnel to perform maintenance operations, and maintenance personnel and maintenance operation instructions can be recorded by the vehicle network, which is convenient for management and fault tracing; when the pantograph valve plate program version needs to be updated, the user can directly operate through the vehicle authorization port.

[0053] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims. The information disclosed in the background technology section of this article is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as an admission or in any form that the information constitutes prior art known to those skilled in the art.

Claims

1. A method for upgrading a pantograph valve plate program and monitoring its status, characterized in that: A switch is installed in the vehicle body. The pantograph valve board is equipped with a communication module, a storage module and an application unit. Maintenance personnel access the pantograph valve board through the switch maintenance interface and use any of the following solutions to upgrade the application program and monitor the status of the pantograph valve board through the switch maintenance interface: Solution 1: The maintenance personnel connects the maintenance tool to the switch, logs in through the authentication method set by the user, establishes a network connection with the pantograph valve board communication module through the switch, and sends program upgrade, status monitoring instructions and application programs to be upgraded to the pantograph valve board; Solution 2: The user sends program upgrade instructions and the application to be upgraded to the pantograph valve plate through the vehicle authorization port. The two establish communication in accordance with UDP, FTP or a protocol agreed upon by both parties, and send program upgrade, status monitoring instructions and the application to be upgraded to the pantograph valve plate; When the first option is adopted, the instructions of the second option will no longer be accepted; Similarly, when Scheme 2 is adopted, instructions from Scheme 1 will no longer be accepted; the priority of the two is determined according to the time of establishing communication with the pantograph valve plate communication module. The party with the earlier time has the authority to send instructions first, and this authority is released after the communication is completed.

2. The pantograph valve plate program upgrade and status monitoring method according to claim 1, characterized in that: In the first solution, the program upgrade process is as follows: The pantograph valve plate communication module receives the program upgrade instruction from the maintenance tool, and transmits the instruction to the pantograph valve plate application via an electrical signal. After the pantograph valve plate application receives the program upgrade instruction from the pantograph valve plate communication module, it first sends a backup instruction to the pantograph valve plate storage module to back up the existing application. After confirming that the backup is complete, it requests the maintenance tool to send the application to be upgraded. After receiving the program, it executes the program upgrade operation. If a failure occurs during the program upgrade process, the backup program in the storage module will be restored to avoid entering an abnormal state without a program, thereby ensuring the basic working performance of the pantograph valve plate.

3. The pantograph valve plate program upgrade and status monitoring method according to claim 2, characterized in that: In scheme 1, the status monitoring process is: The pantograph valve plate communication module receives the status monitoring instruction from the maintenance tool, and transmits the instruction to the pantograph valve plate application via an electrical signal. After the pantograph valve plate application receives the status monitoring instruction from the pantograph valve plate communication module, it accesses and retrieves the corresponding status information according to the instruction, sends the queried information to the pantograph valve plate communication module, and then displays it to the maintenance personnel through the human-computer interaction interface of the maintenance tool via the switch.

4. The pantograph valve plate program upgrade and status monitoring method according to claim 1, characterized in that: In the second scheme, after the pantograph communication module verifies the port that sends the instruction, it establishes communication with it, identifies the program upgrade instruction through the communication protocol, and after successful identification, transmits the instruction to the pantograph valve plate application in the form of an electrical signal. After the pantograph valve plate application receives the program upgrade instruction from the pantograph valve plate communication module, it first sends a backup instruction to the pantograph valve plate storage module to back up the existing application. After confirming that the backup is complete, it requests the vehicle authorization port to send the application to be upgraded through the communication module. After receiving the program, it executes the program upgrade operation. If a failure occurs during the program upgrade process, the backup program in the storage module will be restored to avoid entering an abnormal state without a program, thereby ensuring the basic working performance of the pantograph valve plate.

5. The pantograph valve plate program upgrade and status monitoring method according to any one of claims 1 to 4, characterized in that: When the pantograph valve plate is upgraded or the status is monitored through the above-mentioned solution 1 or solution 2, the pantograph valve plate communication module is not affected to maintain the original communication status with the vehicle; The original communication state is: the vehicle distribution port and the pantograph valve plate interact through the vehicle network, and the pantograph valve plate needs to receive and feedback information transmission for operation.

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