CN108183942B - Test system of axle counting electronic interface device - Google Patents
Test system of axle counting electronic interface device Download PDFInfo
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- CN108183942B CN108183942B CN201711391571.2A CN201711391571A CN108183942B CN 108183942 B CN108183942 B CN 108183942B CN 201711391571 A CN201711391571 A CN 201711391571A CN 108183942 B CN108183942 B CN 108183942B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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Abstract
The invention provides a test system of an axle counting electronic interface device, which can be respectively connected with a plurality of axle counting hosts and an interlocking system, uploads the acquired inspection result of the occupancy of the axle counting hosts to the interlocking system, and sends a reset instruction fed back by the interlocking system to the axle counting hosts. And the test system tests and verifies the acquisition, forwarding and decoding control functions of the axle counting electronic interface device through the upper computer and the axle counting measuring circuit. Based on this, the test is completed on the basis of eliminating a large number of gravity-type relays which are dispersedly arranged, thereby solving the problem of difficulty in installation and maintenance.
Description
Technical Field
The invention relates to the technical field of train control, in particular to a test system of an axle counting electronic interface device.
Background
The metering system and the interlocking system are basic devices in the field of railway signal control. The axle counting host in the axle counting system is responsible for checking the occupation condition of the corresponding block interval and uploading the occupation checking result to the interlocking system; the interlocking system needs to complete route locking and unlocking control according to the occupancy check result uploaded by the axle counting host, and issues a reset instruction aiming at a blocking interval.
Conventional axle counting systems and interlock systems interface with gravity type relays. The main machine of the axle counting controls the gravity type relay to suck up or fall down according to the occupancy checking result in a mode of outputting direct current voltage, and the interlocking system resets the gravity type relay according to the reset instruction. However, this connection requires a large number of gravity-type relays and is complicated to distribute, making installation and maintenance extremely difficult.
Therefore, a simple and effective interface device and a testing technique for the interface device are needed to solve the problem of difficult installation and maintenance.
Disclosure of Invention
In view of the above, the present invention provides a testing system for an axle counting electronic interface device, so as to solve the problem of difficult installation and maintenance of the existing interface. The technical scheme is as follows:
a test system of an axle counting electronic interface device comprises at least one interface unit, wherein the interface unit comprises a gateway, a chip, a gating control circuit, a plurality of Field Programmable Gate Arrays (FPGA), a plurality of acquisition circuits and a plurality of driving circuits;
one end of the gateway is connected with the interlocking system, the other end of the gateway is connected with one end of the chip, the other end of the chip is connected with one end of the gating control circuit, the other end of the gating control circuit is connected with one ends of the FPGAs, and the other end of the FPGA is connected with the axle counting host; wherein the content of the first and second substances,
the FPGA is connected with an output port of the axle counting host through the acquisition circuit and is connected with an acquisition port of the axle counting host through the driving circuit;
the chip controls the target FPGA to be conducted through the gating control circuit;
the target FPGA acquires an occupation checking result from an output port of the axle counting host through the acquisition circuit, and sends the occupation checking result to the chip through the gating control circuit so that the chip sends the occupation checking result to the gateway;
when receiving the occupation checking result, the gateway sends the occupation checking result to the interlocking system; when a reset instruction issued by the interlocking system is received, the reset instruction is sent to the chip;
the chip sends the received reset instruction to the target FPGA through the gating control circuit so that the target FPGA sends the reset instruction to an acquisition port of the axle counting host through the driving circuit;
the test system comprises an upper computer and a plurality of axle counting test circuits, wherein the upper computer is provided with a safety communication interface, and the axle counting test circuits are provided with a test output port and a test acquisition port;
the test output port of the axle counting test circuit is connected with the acquisition circuit, and the test acquisition port of the axle counting test circuit is connected with the drive circuit;
the upper computer establishes communication connection between the secure communication interface and the gateway based on a first preset configuration parameter;
the axle counting test circuit generates a test occupation check result;
the axle counting electronic interface device collects the test occupation checking result and uploads the test occupation checking result to the upper computer through the safety communication interface;
the upper computer analyzes the test occupation checking result and displays the result; generating a test reset instruction based on a second preset configuration parameter, and issuing the test reset instruction to the axle counting electronic interface device;
the axle counting electronic interface device sends the test reset instruction to the axle counting test circuit;
and the axle counting test circuit displays based on the test reset instruction.
Preferably, the test output port of the axle counting test circuit is connected with the acquisition circuit through a first cable, and the test acquisition port of the axle counting test circuit is connected with the drive circuit through a second cable.
Preferably, the first preset configuration parameter includes: network configuration parameters and RSSP-I configuration parameters.
Preferably, the second preset configuration parameter includes: test setup parameters and test configuration parameters.
Preferably, the upper computer is further configured to: and displaying the test record.
Preferably, the axle counting test circuit includes: a power supply unit, an output circuit and a display circuit;
the power supply unit is respectively connected with the output circuit and the display circuit;
the power supply unit supplies power to the output circuit and the display circuit;
the output circuit generates a test occupation checking result by controlling the on-off of the power supply;
the display circuit displays based on the test reset instruction.
Preferably, the display circuit includes: relays and indicator lights;
and the relay controls the indicator light to display based on the test reset instruction.
Preferably, the indicator light includes: a first indicator light and a second indicator light;
under the condition that the test reset instruction is a test direct reset instruction, the relay controls the first indicator light to display;
and under the condition that the test reset instruction is a test pre-reset instruction, the relay controls the second indicator light to display.
A method for testing an axle counting electronic interface device, which is applied to a system for testing an axle counting electronic interface device according to any one of the above technical solutions, comprising:
the upper computer establishes communication connection between the secure communication interface and the gateway based on a first preset configuration parameter;
the axle counting test circuit generates a test occupation check result;
the axle counting electronic interface device collects the test occupation checking result and uploads the test occupation checking result to the upper computer through the safety communication interface;
the upper computer analyzes the test occupation checking result and displays the result; generating a test reset instruction based on a second preset configuration parameter, and issuing the test reset instruction to the axle counting electronic interface device;
the axle counting electronic interface device sends the test reset instruction to the axle counting test circuit;
and the axle counting test circuit displays based on the test reset instruction.
Compared with the prior art, the invention has the following beneficial effects:
in the test system of the axle counting electronic interface device provided by the invention, the axle counting electronic interface device can be respectively connected with a plurality of axle counting hosts and the interlocking system, the occupation check result of the collected axle counting hosts is uploaded to the interlocking system, and the reset instruction fed back by the interlocking system is sent to the axle counting hosts. And the test system tests and verifies the acquisition, forwarding and decoding control functions of the axle counting electronic interface device through the upper computer and the axle counting measuring circuit. Based on this, the test is completed on the basis of eliminating a large number of gravity-type relays which are dispersedly arranged, thereby solving the problem of difficulty in installation and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a test system of an electronic interface device for axle counting according to an embodiment of the present invention;
FIG. 2 shows a parameter configuration interface of the host computer;
FIG. 3 shows a data analysis interface of the host computer;
FIG. 4 is a schematic structural diagram of an axle counting test circuit according to an embodiment of the present invention;
fig. 5 is a flowchart of a method for testing an axle counting electronic interface device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a test system of an axle counting electronic interface device, the structural schematic diagram of which is shown in fig. 1, the axle counting electronic interface device 10 comprises at least one interface unit, and the interface unit comprises a gateway 101, a chip 102, a gating control circuit 103, a plurality of Field Programmable Gate Arrays (FPGA) 104, a plurality of acquisition circuits 105 and a plurality of driving circuits 106;
one end of the gateway 101 is connected with the interlocking system, the other end of the gateway 101 is connected with one end of the chip 102, the other end of the chip 102 is connected with one end of the gating control circuit 103, the other end of the gating control circuit 103 is connected with one end of a plurality of FPGAs 104 (only one is shown in figure 1), and the other end of the FPGA104 is connected with the axle counting host; wherein the content of the first and second substances,
the FPGA104 is connected with an output port of the axle counting host through an acquisition circuit and is connected with an acquisition port of the axle counting host through a driving circuit;
the chip controls the target FPGA to be conducted through the gating control circuit;
the target FPGA acquires an occupation inspection result from an output port of the axle counting host through the acquisition circuit, and sends the occupation inspection result to the chip through the gating control circuit so that the chip sends the occupation inspection result to the gateway;
when receiving the occupancy check result, the gateway sends the occupancy check result to the interlock system; when a reset instruction issued by the interlocking system is received, the reset instruction is sent to the chip;
the chip sends the received reset instruction to the target FPGA through the gating control circuit, so that the target FPGA sends the reset instruction to the acquisition port of the axle counting host through the driving circuit.
In this embodiment, to ensure the security of data transmission, the data transmission may use a UDP protocol.
UDP is short for User Datagram Protocol, a Chinese name is User Datagram Protocol, and is a connectionless transport layer Protocol in OSI (Open System Interconnection) reference model, which provides transaction-oriented simple unreliable information transfer service, and IETF RFC 768 is a formal specification of UDP.
In addition, the axle counting electronic interface device and the interlocking system can adopt redundant Ethernet connection, and the safety communication protection adopts RSSP-I safety communication protocol; wherein the content of the first and second substances,
the RSSP-I safety communication protocol is a railway signal safety communication protocol printed by the original railway department transportation, standardizes a functional structure and a protocol for carrying out safety related information interaction between signal safety devices through a closed transmission system, can reduce the risks of data frame repetition, loss, insertion, order disorder, error and overtime, and a protection algorithm designed from the perspective of a receiving end requires that the receiving end needs to carry out authenticity, integrity, real-time and order check on received information.
It should be noted that the occupancy check result includes an occupied state and an idle state; wherein the content of the first and second substances,
the occupied state is the state that the number of the counting shafts and the number of the counting shafts of the counting shaft track section are not equal; the idle state is a state in which the number of the counter axes is equal to the number of the counter axes in the counter axis track section.
The reset instruction comprises a direct reset instruction and a pre-reset instruction; wherein the content of the first and second substances,
the direct reset instruction is an instruction for restoring the block section to the idle state; the pre-reset command is a command for controlling the block section to keep an occupied state and restoring to an idle state after the axle counting host confirms that the number of the counting axles is equal to that of the counting axles.
The test system 20 comprises an upper computer 201 and a plurality of axle counting test circuits 202, wherein the upper computer 201 is provided with a safety communication interface (not shown in fig. 1), and the axle counting test circuits are provided with a test output port and a test acquisition port (not shown in fig. 1);
the test output port 2021 of the axle counting test circuit 202 is connected with the acquisition circuit 105, and the test acquisition port 2022 of the axle counting test circuit 202 is connected with the drive circuit 106;
specifically, the test output port 2021 of the axle counting test circuit 202 is connected to the acquisition circuit through a first cable, and the test acquisition port 2022 of the axle counting test circuit 202 is connected to the driving circuit 106 through a second cable.
The upper computer establishes communication connection between the secure communication interface and the gateway based on the first preset configuration parameter;
fig. 2 shows a parameter configuration interface of the upper computer, specifically, the parameter configuration interface includes a network configuration area, an RSSP-I configuration area, and a network status query area. The upper computer can detect network configuration parameters in the network configuration area and RSSP-I configuration parameters in the RSSP-I configuration area so as to realize the input and display of user-defined configuration. And the network state query area is used for displaying the connection state of the network channel between the network upper computer and the axle counting electronic interface device and verifying whether the parameter configuration is correct or not.
The network configuration parameters can be specifically divided into upper computer network channel IP configuration and axle counting electronic interface device network channel IP configuration; RSSP-I configuration parameters include but are not limited to the source address of the local side, the number of the secure communication sessions of the local side, the transmission period value of the opposite side, the continuous aging correction failure tolerance value, the maximum tolerance difference value of the ordinal number and the like.
In practical application, the bottom layer of the upper computer adopts a self-defined RSSP-I protocol stack, and network state query and communication functions are realized after network configuration and RSSP-I configuration are completed.
The axle counting test circuit generates a test occupation check result;
in this embodiment, the axle counting test circuit may provide the occupancy check result for indicating the idle status of the axle counting track section by providing a high level input of 24V, whereas the occupancy check result for indicating the occupancy status of the axle counting track section is provided by providing a low level input.
The axle counting electronic interface device collects the test occupation checking result and uploads the result to the upper computer through the safety communication interface;
analyzing the test occupation checking result by the upper computer and displaying; generating a test reset instruction based on the second preset configuration parameter, and issuing the test reset instruction to the axle counting electronic interface device;
fig. 3 shows a data analysis interface of the upper computer, specifically, the data analysis interface includes an uploaded information analysis area, a test setting area, a test configuration area, and a test recording area, so that a tester can observe a test result. The second preset configuration parameters include test setup parameters detected in the test setup area and test configuration parameters detected in the test setup area.
Specifically, the uploaded information analysis area is used for displaying an occupation check result generated by the axle counting test circuit, red can be used for indicating that the axle counting test circuit is in an occupation state in the area, and green can be used for indicating that the axle counting test circuit is in an idle state; the test setup parameters may include direct reset parameters and pre-reset parameters; the test configuration parameters can comprise a disconnection mode, a connection establishment mode, a debugging test mode and a simulation test mode; wherein the content of the first and second substances,
the debugging test content of the upper computer is to periodically send test setting parameters, and the simulation test content is to periodically send the test setting parameters within the effective time limit.
When the upper computer displays the test record, the test content in the preset time period can be displayed in the test record area.
In practical application, the bottom layer of the upper computer adopts a self-defined RSSP-I protocol stack, and network state query and communication functions are realized after network configuration and RSSP-I configuration are completed.
The axle counting electronic interface device sends a test reset instruction to the axle counting test circuit;
the axle counting test circuit displays based on the test reset instruction.
In this embodiment, since the axle counting test circuit needs to display the output result of the axle counting electronic interface device and provide the input condition for the axle counting electronic interface device, the axle counting test circuit 202 may be configured as a power supply unit 2021, an output circuit 2022 and a display circuit 2023, and the schematic structural diagram is shown in fig. 4;
the power supply unit 2021 is connected to the output circuit 2022 and the display circuit 2023, respectively;
the power supply unit supplies power to the output circuit and the display circuit;
the output circuit generates a test occupation checking result by controlling the on-off of the power supply;
the display circuit performs display based on the test reset instruction.
Specifically, the display circuit 2023 may be configured by a relay and an indicator light, and the relay controls the indicator light to display based on the test reset instruction.
In practical application, the relay displays the test reset instruction through the two indicating lamps in a distinguishing way during the test. Specifically, under the condition that the test reset instruction is a test direct reset instruction, the relay controls the first indicator light to display; and under the condition that the test reset instruction is a test pre-reset instruction, the relay controls the second indicator light to display.
In the test system of the axle counting electronic interface device provided by the embodiment of the invention, the axle counting electronic interface device can be respectively connected with a plurality of axle counting hosts and the interlocking system, the acquired inspection result of the occupation of the axle counting hosts is uploaded to the interlocking system, and the reset instruction fed back by the interlocking system is sent to the axle counting hosts. And the test system tests and verifies the acquisition, forwarding and decoding control functions of the axle counting electronic interface device through the upper computer and the axle counting measuring circuit. Based on this, the test is completed on the basis of eliminating a large number of gravity-type relays which are dispersedly arranged, thereby solving the problem of difficulty in installation and maintenance.
Based on the test system for the axle counting electronic interface device provided in the above embodiment, an embodiment of the present invention provides a test method for an axle counting electronic interface device, a flow chart of the method is shown in fig. 5, and the method includes the following steps:
s10, the upper computer establishes communication connection between the secure communication interface and the gateway based on the first preset configuration parameter;
s20, the axle counting test circuit generates a test occupation check result;
s30, the axle counting electronic interface device collects the test occupation check result and uploads the result to the upper computer through the safety communication interface;
s40, analyzing the test occupation check result by the upper computer and displaying; generating a test reset instruction based on the second preset configuration parameter, and issuing the test reset instruction to the axle counting electronic interface device;
s50, the axle counting electronic interface device sends the test reset instruction to the axle counting test circuit;
and S60, displaying by the axle counting test circuit based on the test reset instruction.
The test method of the axle counting electronic interface device provided by the embodiment of the invention completes the test on the basis of eliminating a large number of dispersedly arranged gravity type relays, thereby solving the problem of difficult installation and maintenance.
The above detailed description of the test system for an axle counting electronic interface device provided by the present invention is provided, and the principle and the implementation manner of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include or include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (9)
1. The test system of the axle counting electronic interface device is characterized in that the axle counting electronic interface device comprises at least one interface unit, wherein the interface unit comprises a gateway, a chip, a gating control circuit, a plurality of Field Programmable Gate Arrays (FPGA), a plurality of acquisition circuits and a plurality of driving circuits;
one end of the gateway is connected with the interlocking system, the other end of the gateway is connected with one end of the chip, the other end of the chip is connected with one end of the gating control circuit, the other end of the gating control circuit is connected with one ends of the FPGAs, and the other end of the FPGA is connected with the axle counting host; wherein the content of the first and second substances,
the FPGA is connected with an output port of the axle counting host through the acquisition circuit and is connected with an acquisition port of the axle counting host through the driving circuit;
the chip controls the target FPGA to be conducted through the gating control circuit;
the target FPGA acquires an occupation checking result from an output port of the axle counting host through the acquisition circuit, and sends the occupation checking result to the chip through the gating control circuit so that the chip sends the occupation checking result to the gateway;
when receiving the occupation checking result, the gateway sends the occupation checking result to the interlocking system; when a reset instruction issued by the interlocking system is received, the reset instruction is sent to the chip;
the chip sends the received reset instruction to the target FPGA through the gating control circuit so that the target FPGA sends the reset instruction to an acquisition port of the axle counting host through the driving circuit;
the test system comprises an upper computer and a plurality of axle counting test circuits, wherein the upper computer is provided with a safety communication interface, and the axle counting test circuits are provided with a test output port and a test acquisition port;
the test output port of the axle counting test circuit is connected with the acquisition circuit, and the test acquisition port of the axle counting test circuit is connected with the drive circuit;
the upper computer establishes communication connection between the secure communication interface and the gateway based on a first preset configuration parameter;
the axle counting test circuit generates a test occupation check result;
the axle counting electronic interface device collects the test occupation checking result and uploads the test occupation checking result to the upper computer through the safety communication interface;
the upper computer analyzes the test occupation checking result and displays the result; generating a test reset instruction based on a second preset configuration parameter, and issuing the test reset instruction to the axle counting electronic interface device;
the axle counting electronic interface device sends the test reset instruction to the axle counting test circuit;
and the axle counting test circuit displays based on the test reset instruction.
2. The test system of claim 1, wherein the test output port of the axle counting test circuit is connected to the acquisition circuit by a first cable, and the test acquisition port of the axle counting test circuit is connected to the drive circuit by a second cable.
3. The test system of claim 1, wherein the first preset configuration parameter comprises: network configuration parameters and RSSP-I configuration parameters.
4. The test system of claim 1, wherein the second predetermined configuration parameters comprise: test setup parameters and test configuration parameters.
5. The test system of claim 1, wherein the host computer is further configured to: and displaying the test record.
6. The test system of claim 1, wherein the axle counting test circuit comprises: a power supply unit, an output circuit and a display circuit;
the power supply unit is respectively connected with the output circuit and the display circuit;
the power supply unit supplies power to the output circuit and the display circuit;
the output circuit generates a test occupation checking result by controlling the on-off of the power supply;
the display circuit displays based on the test reset instruction.
7. The test system of claim 6, wherein the display circuit comprises: relays and indicator lights;
and the relay controls the indicator light to display based on the test reset instruction.
8. The test system of claim 7, wherein the indicator light comprises: a first indicator light and a second indicator light;
under the condition that the test reset instruction is a test direct reset instruction, the relay controls the first indicator light to display;
and under the condition that the test reset instruction is a test pre-reset instruction, the relay controls the second indicator light to display.
9. A method for testing an electronic interface device for axle counting, which is applied to a system for testing an electronic interface device for axle counting according to any one of claims 1 to 8, comprising:
the upper computer establishes communication connection between the secure communication interface and the gateway based on a first preset configuration parameter;
the axle counting test circuit generates a test occupation check result;
the axle counting electronic interface device collects the test occupation checking result and uploads the test occupation checking result to the upper computer through the safety communication interface;
the upper computer analyzes the test occupation checking result and displays the result; generating a test reset instruction based on a second preset configuration parameter, and issuing the test reset instruction to the axle counting electronic interface device;
the axle counting electronic interface device sends the test reset instruction to the axle counting test circuit;
and the axle counting test circuit displays based on the test reset instruction.
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