CN114264897A

CN114264897A - Compatibility performance testing method and system

Info

Publication number: CN114264897A
Application number: CN202111399659.5A
Authority: CN
Inventors: 李彩琦; 马向阳; 周炜; 李智宇; 谢再盛; 叶峰; 敖奇; 郜志强; 杨文哲; 郑诗雨
Original assignee: CRSC Research and Design Institute Group Co Ltd
Current assignee: CRSC Research and Design Institute Group Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-01
Anticipated expiration: 2041-09-27
Also published as: CN114264899A; CN113567796B; CN114264897B; CN113567796A; CN114252715A; CN114264898A; CN114325161A; CN114264899B; CN114325161B; CN114252715B; CN114264898B

Abstract

The invention provides a method and a system for testing compatibility, wherein the method is used for a track circuit product and comprises the following steps: the general host control part receives an executable test command, analyzes the executable test command to obtain a control command, and the executable test command is an executable test command with parameters generated by a test case; and the general host control component performs performance test on various track circuit products in the equipment operation carrier through the control command. The method solves the problems that the existing method for testing the performance of the track circuit product only tests a single type of track circuit product, does not consider the compatibility problem of tests of different types of track circuit products, only tests a single type of track circuit product and does not consider scale tests.

Description

Compatibility performance testing method and system

Technical Field

The invention belongs to the field of track circuit product testing, and particularly relates to a compatibility performance testing method and system.

Background

The existing track circuit product comprises a transmitter, a receiver, a communication interface board, a branching collector and the like, and in order to improve the operation reliability of the track circuit product, the performance test of the track circuit product is required.

At present, the performance test method of the track circuit product has the following problems:

1) the test method is only used for testing a single type of track circuit product, for example, only used for testing a transmitter, a receiver, a communication interface board or a branching collector, and compatibility problems of tests of different types of track circuit products are not considered, for example, a scheme for testing a plurality of track circuit products together is not realized.

2) The method only tests a single track circuit product of a single type, for example, tests a single device in a transmitter, a receiver, a communication interface board or a branching collector, and does not consider scale tests, for example, a scheme of performing comparison tests on a plurality of track circuit products in the same time test process is not provided.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a method and a system for testing compatibility performance, which solve the existing problems.

The invention is realized by the following technical scheme:

the invention provides a compatibility performance testing method, which is used for a track circuit product and comprises the following steps:

the general host control part receives an executable test command, analyzes the executable test command to obtain a control command, and the executable test command is an executable test command with parameters generated by a test case;

and the general host control component performs performance test on various track circuit products in the equipment operation carrier through the control command.

Further, the general host control component receives an executable test command, analyzes the executable test command to obtain a control command, and performs performance test on various track circuit products in the equipment operation carrier through the control command, specifically including the following steps:

the general bus control unit receives an executable test command, analyzes the executable test command to obtain a control command containing a test of a corresponding track circuit product, and sends the control command containing the test of the corresponding track circuit product to a test resource group of the corresponding track circuit product;

the test resource group corresponding to the track circuit product generates test driving information according to a control command containing the test of the corresponding track circuit product, and sends the test driving information to the corresponding track circuit product through the interface adaptation unit;

the corresponding track circuit product carries out performance test according to the test driving information and feeds back a test result to the test resource group of the corresponding track circuit product through the interface adaptation unit;

and the test resource group corresponding to the track circuit product receives and processes the test result of the corresponding track circuit product.

Furthermore, the method also comprises the step of supplying power to the equipment operation carrier, the interface adaptation unit and the working condition of the equipment operation carrier by adopting the power supply module.

Further, the performance test comprises a traversal test and a comparison test;

the traversal test comprises a transmitter unit traversal test, a receiver unit traversal test, a branching collector unit traversal test and a communication interface board unit traversal test;

the comparison test includes a transmitter unit comparison test and a receiver unit comparison test.

Further, the transmitter unit comparison test includes a multiple transmitter comparison test, which includes the following steps:

the general bus control unit receives an executable test command, analyzes the executable test command to obtain a control command containing a comparison test of the corresponding transmitters, and sends the control command containing the comparison test of the corresponding transmitters to a first test resource group;

the first test resource group generates first test driving information according to a control command containing comparison test of a plurality of corresponding transmitters, and sends the first test driving information to the plurality of corresponding transmitters in the transmitter unit through the interface adaptation unit, wherein the first test driving information comprises an electrical condition generating signal, a condition input signal, a CAN signal and load configuration information;

receiving the first test driving information corresponding to the plurality of transmitters, performing performance test according to the first test driving information, and feeding back a test result to the first test resource group through the interface adaptation unit;

the first test resource group collects test results fed back by the corresponding transmitters, and contrasts and analyzes the test results of the transmitters.

Further, the sender unit traversal test comprises the following steps:

the universal bus control unit receives an executable test command, analyzes the executable test command to obtain a control command containing a sender unit traversal test, and sends the control command containing the sender unit traversal test to a first test resource group;

the first test resource group switches control terminals of different transmitters in the transmitter unit according to a control command containing traversal test of the transmitter unit, generates second test driving information for the corresponding transmitters, and sends the second test driving information to the corresponding transmitters through an interface adaptation unit, wherein the second test driving information comprises an electrical condition generation signal, a condition input signal, a CAN signal and load configuration information;

the corresponding transmitter receives the second test driving information, performs performance test according to the second test driving information, and feeds back a test result to the first test resource group through the interface adaptation unit;

and the first test resource group collects and analyzes the test result fed back by the corresponding transmitter.

Further, the method also comprises the steps of connecting the simulation load to the test terminals S1 and S2 of the transmitter in parallel;

and switching the simulation load under different steel rail parameter conditions through the first test resource group and the power supply module.

Further, the receiver unit comparison test includes a plurality of receiver comparison tests, which includes the following steps:

the universal bus control unit receives the executable test command, analyzes the executable test command to obtain a control command containing the comparison test of the corresponding receivers, and sends the control command containing the comparison test of the corresponding receivers to the second test resource group;

the second test resource group generates third test driving information according to a control command containing comparison test of a plurality of corresponding receivers, and sends the third test driving information to the plurality of corresponding receivers in the receiver unit through the interface adaptation unit, wherein the third test driving information comprises an electrical condition generating signal, a condition input signal, a CAN signal and a frequency shift signal excitation signal;

receiving the third test driving information by corresponding multiple receivers, performing performance test according to the third test driving information, and feeding back a test result to a second test resource group through an interface adaptation unit;

and the second test resource group acquires test results fed back by the corresponding receivers and performs comparative analysis on the test results of the receivers.

Further, the receiver unit traversal testing comprises the following steps:

the universal bus control unit receives the executable test command, analyzes the executable test command to obtain a control command containing the traversal test of the receiver unit, and sends the control command containing the traversal test of the receiver unit to the second test resource group;

the second test resource group switches control terminals of different receivers in the receiver unit according to a control command containing traversal test of the receiver unit, generates fourth test driving information for the corresponding receivers, and sends the fourth test driving information to the corresponding receivers through the interface adaptation unit, wherein the fourth test driving information comprises an electrical condition generating signal, a condition input signal, a CAN signal and a frequency shift signal excitation signal;

the corresponding receiver receives the fourth test driving information, performs performance test according to the fourth test driving information, and feeds back a test result to the second test resource group through the interface adaptation unit;

and the second test resource group acquires and analyzes the test result fed back by the corresponding receiver.

Further, the traversal test of the branching collector unit comprises the following steps:

the universal bus control unit receives the executable test command, analyzes the executable test command to obtain a control command containing the traversal test of the branching collector unit, and sends the control command containing the traversal test of the branching collector unit to a third test resource group;

the third test resource group switches control terminals of different branch collectors in the branch collector unit according to a control command containing traversal test of the branch collector unit, generates fifth test driving information for the corresponding branch collectors, and sends the fifth test driving information to the corresponding branch collectors through an interface adaptation unit, wherein the fifth test driving information comprises an electrical condition generating signal, a condition input signal, a CAN signal and a frequency shift signal excitation signal;

the corresponding branching collector receives the fifth test driving information, performs performance test according to the fifth test driving information, and feeds back a test result to a third test resource group through an interface adaptation unit;

and the third test resource group collects and analyzes the test result fed back by the corresponding branching collector.

Further, the traversal test of the communication interface board unit includes the following steps:

the universal bus control unit receives the executable test command, analyzes the executable test command to obtain a control command containing the traversal test of the communication interface board unit, and sends the control command containing the traversal test of the communication interface board unit to a fourth test resource group;

the fourth test resource group switches the control terminals of different communication interface boards in the communication interface board unit according to a control command containing the traversal test of the communication interface board unit, generates sixth test driving information for the corresponding communication interface board, and sends the sixth test driving information to the corresponding communication interface board through the interface adapting unit, wherein the sixth test driving information comprises an electrical condition generating signal, a condition input signal and a CAN signal;

the corresponding communication interface board receives the sixth test driving information, performs performance test according to the sixth test driving information, and feeds back a test result to the fourth test resource group through the interface adaptation unit;

and the fourth test resource group collects and analyzes the test result fed back by the corresponding communication interface board.

Compared with the closest prior art, the technical scheme of the invention has the following beneficial effects:

according to the compatibility performance testing method applicable to the track circuit products, the general host control component receives the executable test command, analyzes the executable test command to obtain the control command, and performs performance testing on various track circuit products in the equipment running carrier through the control command, so that the compatibility of testing of different types of track circuit products is realized.

The testing method can support large-scale testing, can receive control commands in real time or step by step based on a platform network architecture, controls traversal testing of a plurality of transmitters, a plurality of receivers, a plurality of communication interface boards and a plurality of branching collectors through IO output, and can simultaneously compare and test a plurality of (such as two) same track circuit devices (such as two transmitters or two receivers) at the same time to perform comparison and evaluation on the aspects of functions, performance and safety.

The universal bus control unit communicates through a PXI bus test resource group, a control command including a test of a corresponding track circuit product is sent to the test resource group of the corresponding track circuit product, the test resource group of the corresponding track circuit product generates test driving information and sends the test driving information to the corresponding track circuit product, and the corresponding track circuit product performs performance test according to the test driving information, so that synchronous and parallel measurement of the corresponding track circuit product is achieved through a bus clock, and test efficiency is improved.

The test resource group corresponding to the track circuit product receives the test result of the corresponding track circuit product to perform corresponding processing, for example, the actual test result and the expected result in the test case are automatically compared and analyzed, so that the automation of the test process and the high reliability of result judgment are ensured. In the past, the judgment of the test result in the test is more dependent on people, particularly when the conditions of downtime, errors and the like occur, the test result needs to be judged by people, and further execution of the case needs to be manually participated. The invention automatically executes comparative analysis on the actual test result and the expected result in the test case, and can more accurately judge the test result. And 7 x 24 hours of full automation test can be carried out uninterruptedly, and the test efficiency is improved.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a block diagram of the overall structure of a performance testing system suitable for track circuit products according to the present invention.

FIG. 2 is a schematic diagram of the connection of the general host control unit according to the present invention.

Fig. 3 is a schematic diagram of the overall structure of the device operation carrier-transmitter unit of the present invention.

Fig. 4 is a schematic wiring diagram of the first test terminal of the device operation carrier-transmitter unit of the present invention.

Fig. 5 is a schematic wiring diagram of the first control terminal and the first power supply terminal of the device operation carrier-transmitter unit of the present invention.

Fig. 6 is a schematic overall wiring diagram of the first test terminal, the first control terminal and the first power supply terminal of the device operation carrier-transmitter unit.

Fig. 7 is a schematic diagram of the overall structure of the device operation carrier-receiver unit of the present invention.

Fig. 8 is a schematic wiring diagram of a second test terminal of the device operation carrier-receiver unit of the present invention.

Fig. 9 is a schematic wiring diagram of the second control terminal and the second power supply terminal of the device operation carrier-receiver unit of the present invention.

Fig. 10 is a schematic diagram of the overall connection of the second test terminal, the second control terminal and the second power supply terminal of the device operation carrier-receiver unit.

Fig. 11 is a schematic diagram of the overall structure of the device operation carrier-branching collector unit of the present invention.

Fig. 12 is a schematic wiring diagram of a third test terminal of the device operation carrier-tap collector unit of the present invention.

Fig. 13 is a schematic connection diagram of the third control terminal and the third power terminal of the device operation carrier-tap collector unit of the present invention.

Fig. 14 is a schematic overall connection diagram of the third test terminal, the third control terminal and the third power supply terminal of the device operation carrier-tap collector unit.

Fig. 15 is an overall interface schematic diagram of the device operation carrier-communication interface board unit of the present invention.

Fig. 16 is a schematic wiring diagram of a fourth test terminal of the device operation carrier-communication interface board unit of the present invention.

Fig. 17 is a schematic wiring diagram of the fourth control terminal and the fourth power terminal of the device operation carrier-communication interface board unit of the present invention.

Fig. 18 is a schematic diagram of the overall connection of the fourth test terminal, the fourth control terminal, and the fourth power supply terminal of the device operation carrier-communication interface board unit.

Fig. 19 is a schematic diagram of the connection of the first test terminal, the first control terminal and the first power terminal of the device operation carrier-transmitter unit with the interface adapter unit.

Fig. 20 is a schematic diagram of the connection between the second test terminal, the second control terminal and the second power terminal of the device operation carrier-receiver unit and the interface adapter unit.

Fig. 21 is a schematic diagram of connection between the third test terminal, the third control terminal, and the third power terminal of the device operation carrier-tap collector unit and the interface adapter unit.

Fig. 22 is a schematic diagram of the connection between the fourth test terminal, the fourth control terminal, and the fourth power terminal of the device operation carrier-communication interface board unit and the interface adapter unit.

Fig. 23 is a comparative test chart of a transmitter unit of the present invention.

FIG. 24 is a comparative test chart of a receiver unit of the present invention.

FIG. 25 is a test chart of the traversal of the branching collector unit of the present invention.

Fig. 26 is a traversal test chart of the communication interface board unit of the present invention.

FIG. 27 is a flowchart of a method for designing a performance test case for a track circuit product according to the present invention.

FIG. 28 is a diagram of a basic test case library configuration of the present invention.

FIG. 29 is a block diagram of a performance test of a track circuit using the test case of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood 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 embodiments of the present invention are described by taking a ground equipment-track circuit product as an example.

As shown in fig. 1, which is a schematic structural diagram of a performance testing system suitable for a track circuit product in this embodiment, it can be seen from the diagram that the performance testing system includes an upper computer, a general host control component, an equipment operation carrier, and an analog load.

The upper computer issues a test case to the universal host control part, the upper computer and the universal host control part are in communication connection through Ethernet, a physical layer channel is RJ45, a network layer adopts an IP protocol, a transmission layer protocol adopts a TCP/DDS protocol, the communication rate is 100Mbit/s, and full duplex is realized; the data format adopts XML markup language.

As shown in fig. 2, the general host control section includes a general bus control unit, a transmission unit, and a power supply unit; the universal bus control unit comprises a plurality of paths of digital IO and CAN communication buses, a frequency shift signal acquisition channel, a voltage analog quantity acquisition channel, an adjustable resistance interface channel and a signal generation channel. Illustratively, the universal bus control unit of this implementation includes 128 IO outputs, 6 CAN communication buses, 4 frequency shift signal acquisition channels, 2 voltage analog acquisition channels, 4 resistance interface channels, and 4 signal generation channels.

The transmission unit comprises a test resource group and an interface adaptation unit.

The input end of the universal bus control unit is connected with the upper computer, the output end of the universal bus control unit is in communication connection with the test resource group through a PXI bus, and the test resource group is in communication connection with the equipment running carrier through the interface adapting unit.

The power supply unit comprises a first power supply and a second power supply, the first power supply supplies power to the interface adaptation unit and the working condition of the equipment operation carrier, and the second power supply supplies power to the equipment operation carrier.

The equipment operation carrier comprises a plurality of track circuit products of different types, and exemplarily, the equipment operation carrier of the embodiment comprises a transmitter unit, a receiver unit, a branching collector unit and a communication interface board unit.

In particular, the method comprises the following steps of,

the transmitter unit comprises a plurality of transmitters, the transmitters are uninsulated frequency shift automatic block transmitters, each transmitter base is provided with a plurality of first connecting terminals, the first connecting terminals are led out through relay contacts to serve as first testing terminals, a relay of each transmitter is connected in parallel to lead out a first control terminal, and relays of the transmitters are connected in parallel to lead out a first power supply terminal.

The schematic transmitter unit in fig. 3 includes 20 transmitters, the 20 transmitters are divided into 10 transmitters in upper and lower layers through a CAN bus, a relay is arranged in the middle, each transmitter base is provided with 41 first connection terminals, the 41 first connection terminals are respectively led out through relay nodes to serve as first test terminals, the relay is of an SPDT type, the normal state is the default working condition of the transmitter, and the power supply of the relay is led in by an independent power supply. As shown in fig. 4, the upper layer 10 transmitters output 41 first test terminals in parallel, and the lower layer 10 transmitters output 41 first test terminals in parallel. As shown in fig. 5, the relays of each transmitter are excited in parallel, and 1 first control terminal is led out. The upper layer 10 transmitters are connected in parallel to lead out a first power supply terminal, and the lower layer 10 transmitters are connected in parallel to lead out a power supply terminal. Fig. 6 is a schematic diagram of the overall connection of the first test terminal, the first control terminal and the first power terminal of the transmitter unit, where the transmitter unit leads to 82 first test terminals, 20 first control terminals and 2 first power terminals, and the first test terminals, the first control terminals and the first power terminals are communicatively connected to the test resource group through the interface adapter unit (as shown in fig. 19).

In this embodiment, the number of transmitters is not limited to 20, and the number of first connection terminals per transmitter base is not limited to 41.

The receiver unit comprises a plurality of receivers, the receivers are, for example, uninsulated frequency shift automatic blocking receivers, a plurality of second wiring terminals are arranged on each receiver base, the second wiring terminals are led out through relay contacts respectively to serve as second test terminals, a relay of each receiver is connected in parallel to lead out a second control terminal, and relays of the receivers are connected in parallel to lead out a second power supply terminal.

The receiver unit shown in fig. 7 includes 10 receivers, which are divided into 5 receivers in the upper and lower layers through a CAN bus, a relay is arranged in the middle, each receiver base is provided with 46 second connection terminals, the 46 second connection terminals are respectively led out through relay nodes to serve as second test terminals, the relay is of an SPDT type, the normal state is the default working condition of the receiver, and the power supply of the relay is led in through a power supply screen. As shown in fig. 8, the upper 5 receiver stages output 46 second test terminals in parallel, and the lower 5 receiver stages output 46 second test terminals in parallel. As shown in fig. 9, the relays of each receiver are excited in parallel, and 1 second control terminal is led out. A second power supply terminal is led out of the upper 5 receivers in parallel, and a second power supply terminal is led out of the lower 5 receivers in parallel. Fig. 10 is a schematic diagram illustrating the overall connection of the second test terminal, the second control terminal and the second power terminal of the receiver unit, where the total number of the second test terminals, the second control terminals and the second power terminals of the receiver unit is 92, 10 and 2. The second test terminal, the second control terminal and the second power terminal are communicatively connected to the test resource group through the interface adapter unit (as shown in fig. 20).

It should be noted that the number of receivers in this embodiment is not limited to 10, and the number of second terminals in each receiver base is not limited to 46.

The branching collector unit comprises a plurality of branching collectors, the branching collectors are automatic blocking branching collectors without insulation frequency shift, a plurality of third wiring terminals are arranged on a base of each branching collector, the third wiring terminals are led out through relay contacts respectively to serve as third test terminals, a relay of each branching collector is connected in parallel to lead out a third control terminal, and relays of the branching collectors are connected in parallel to lead out a third power supply terminal.

The illustrated branch line collector unit in fig. 11 includes 6 branch line collectors, each of the branch line collector bases shown in fig. 12 is provided with 28 third test terminals, the 28 third test terminals are respectively led out through relay nodes to serve as third test terminals, the relays are of SPDT type, and power is supplied to the relays in a normal state through a power supply panel. As shown in fig. 13, the relay of each branch collector is excited in parallel, and 1 third control terminal is led out. And 6 branching collectors are connected in parallel to lead out a third power supply terminal. Fig. 14 is a schematic diagram of an overall connection of the third test terminal, the third control terminal, and the third power terminal of the branching collector unit, where the whole branching collector unit has 28 third test terminals, 6 third control terminals, and 1 third power terminal. The third test terminal, the third control terminal and the third power terminal are communicatively connected to the test resource group through the interface adapter unit (as shown in fig. 21).

It should be noted that the number of branch line collectors in this embodiment is not limited to 6, and the number of the third connection terminals of each branch line collector base is not limited to 28.

The communication interface board unit comprises a plurality of communication interface boards, the communication interface boards are track circuit communication interface boards, a plurality of fourth wiring terminals are arranged on bases of the communication interface boards, the plurality of fourth wiring terminals are led out through relay contacts respectively to serve as fourth test terminals, a relay of each communication interface board is connected in parallel to lead out a fourth control terminal, and relays of the plurality of communication interface boards are connected in parallel to lead out a fourth power supply terminal.

Fig. 15 shows that the communication interface board unit contains 2 track circuit communication interface boards, and each track circuit communication interface board base shown in fig. 16 is provided with 42 fourth connection terminals, where the 42 fourth connection terminals are respectively led out through relay nodes to serve as fourth test terminals, the relay is of SPDT type, and the power supply screen supplies power in a normal state. As shown in fig. 17, the relays of each track circuit communication interface board are excited in parallel, and 1 fourth control terminal is led out. And each track circuit communication interface board is connected in parallel to lead out a fourth power supply terminal. Fig. 18 is a schematic diagram of the overall connection of the fourth test terminal, the fourth control terminal, and the fourth power supply terminal of the communication interface board unit. 84 fourth test terminals, 2 fourth control terminals and 2 fourth power supply terminals are led out from the whole track circuit communication interface board. The fourth test terminal, the fourth control terminal and the fourth power terminal are communicatively connected to the test resource group through the interface adapter unit (as shown in fig. 22).

It should be noted that the number of the blocks of the track circuit communication interface board in this embodiment is not limited to two, and the number of the fourth connection terminals of each track circuit communication interface board base is not limited to 42.

The test resource group is integrally divided into an output unit and an acquisition unit, wherein the output unit is divided into an output drive control (IO output board card), a load output control (adjustable resistance board card), a communication data transmission (CAN communication board card) and a frequency shift signal generation (signal generator board card and power amplifier) and is used for outputting working condition excitation and signals to an equipment operation carrier; the acquisition unit is divided into a signal acquisition and analysis board (a frequency shift signal acquisition board), an analog acquisition board (a voltage analog acquisition board) and a communication data receiving board (a CAN communication board) and is used for acquiring and analyzing signals fed back by an equipment operation carrier.

Specifically, the test resource group includes a first test resource group, a second test resource group, a third test resource group, and a fourth test resource group.

Illustratively, the first test resource group comprises 2 digital IO boards, 2 CAN communication boards, 2 frequency shift signal acquisition boards, 2 resistor boards and 2 voltage analog acquisition boards.

The second test resource group comprises 2 digital IO board cards, 2 CAN communication board cards, 2 resistance board cards, 2 voltage analog quantity acquisition board cards, 2 signal generation board cards and 2 power amplifiers.

The third test resource group comprises 2 digital IO board cards, 1 CAN communication board card, 2 signal generation board cards and 2 power amplifiers.

The fourth test resource group comprises 2 digital IO board cards and 3 CAN communication board cards.

It should be noted that the reason why the number of boards in fig. 19 to 22 is not consistent with the number of boards in the above example is that the boards in the drawing are split or integrated, for example, 4 digital IO boards are shown in fig. 19, which is a result of splitting two digital IO boards, and one CAN communication board is shown in fig. 19, which is a result of integrating two CAN communication boards.

The first test resource group comprises a first output unit and a first acquisition unit, the second test resource group comprises a second output unit and a second acquisition unit, the third test resource group comprises a third output unit and a third acquisition unit, and the fourth test resource group comprises a fourth output unit and a fourth acquisition unit.

In particular, the method comprises the following steps of,

the first output unit comprises an IO output board card, an adjustable resistance board card and a CAN communication board card; the first output unit outputs the operating condition stimulus and the signal to the transmitter via the interface adaptation unit.

The first acquisition unit comprises a frequency shift signal acquisition board card, a voltage analog acquisition board card and a CAN communication board card; the first acquisition unit acquires and analyzes the feedback information of the transmitter through the interface adaptation unit, and it should be noted that the CAN communication board card in the first acquisition unit and the CAN communication board card in the first output unit may be different or the same.

The second output unit comprises an IO output board card, an adjustable resistance board card, a CAN communication board card, a signal generator board card and a power amplifier; the second output unit outputs the operating condition stimulus and the signal to the receiver through the interface adaptation unit.

The second acquisition unit comprises a voltage analog acquisition board card and a CAN communication board card; the second acquisition unit acquires and analyzes the feedback information of the receiver through the interface adaptation unit.

The third output unit comprises an IO output board card, a CAN communication board card, a signal generator board card and a power amplifier; and the third output unit outputs the working condition excitation and signals to the branching collector through the interface adaptation unit.

The third acquisition unit comprises a CAN communication board card, and acquires and analyzes feedback information of the branching acquisition unit through the interface adaptation unit.

The fourth output unit comprises an IO output board card and a CAN communication board card; and the fourth output unit outputs working condition excitation and signals to the communication interface board through the interface adapting unit.

The fourth acquisition unit comprises a CAN communication board card, and acquires and analyzes feedback information of the communication interface board through the interface adapting unit.

Further, the first test terminal includes the following types: a cabinet internal bus CAND communication terminal, a cabinet internal bus CANE communication terminal, power amplifier output terminals S1, S2, power amplifier output test terminals T1, T2, a transmission alarm relay output terminal FBJ, an operating condition terminal, a level condition terminal, and a transmitter power supply terminal; the working condition terminal comprises an address terminal, a carrier frequency terminal, a frequency selection terminal and a transmitter alarm relay suck-up contact point recovery terminal (FBJJC), the address terminal comprises CAN address selection terminals (1ADR 1-1 ADR6 and 2ADR 1-2 ADR6), the carrier frequency terminal comprises carrier frequency coding condition selection terminals (1700, 2000, 2300 and 2600), the frequency selection terminal comprises frequency selection condition terminals (-1 and-2), and a transmitter power supply terminal comprises a power supply external lead-in terminal 024 and a power supply external lead-in terminal + 24.

Wherein the content of the first and second substances,

the CAND communication terminal of the bus in the cabinet and the CANE communication terminal of the bus in the cabinet are in communication connection with the CAN communication board card through an interface adaptation unit; the CAN communication board card provides a transmitter coding condition and receives a transmitter working state;

the power amplifier output terminals S1 and S2 are in communication connection with a frequency shift signal acquisition board card through an interface adaptation unit, and the frequency shift signal acquisition board card is used for testing the quality of output signals of the transmitter, including indexes such as central frequency, frequency precision, frequency deviation and distortion degree.

The working condition terminal is connected with the IO output board card through the interface adapting unit, and provides working voltage, CAN address conditions, carrier frequency conditions and level conditions which are changed by the transmitter through the IO output board card and the first power supply.

The transmission alarm relay output terminal FBJ, the power amplifier output test terminals T1 and T2 are in communication connection with the voltage analog quantity acquisition board card through an interface adaptation unit, and the voltage analog quantity acquisition board card monitors the voltage of the transmission alarm relay in real time;

the interface adaptation unit is connected with the adjustable resistor in parallel at the communication connection positions of the transmission alarm relay output terminal FBJ, the power amplifier output test terminals T1 and T2 and the voltage analog quantity acquisition board card, and the adjustable resistor board card is used for adjusting the output load of the transmission alarm relay of the transmitter and the load of the power amplifier output test terminal;

the level condition terminal is connected with the IO output board card through the interface adapting unit, and the digital IO output board card and the first power supply provide the variable level condition of the transmitter to realize the setting of different level levels;

a transmitter power terminal is communicatively connected to the second power source.

Preferably, the interface adapting unit is connected with a standard load or an artificial load in parallel at the communication connection positions of the S1 and S2 and the frequency shift signal acquisition board card, and the standard load or the artificial load simulates the load conditions of the transmitter under different conditions in the station and the interval.

The simulation load is built according to a real network of the track circuit outdoor system, comprises electric insulation joint equipment, mechanical insulation joint equipment, a simulation cable and a simulation steel rail in a section, and can simulate the track circuit outdoor system in a station and in sections under different parameter conditions. And each unit circuit in the simulation load is connected through a relay, and the relay is driven through the IO output board card and the first power supply, so that the circuit adjustment of each unit in the simulation load is realized.

The first power terminal is in communication connection with a first power source.

The first control terminal is in communication connection with the IO output board card through the interface adapting unit, and the IO output board card controls the relay to switch through the first control terminal to realize corresponding switching of different transmitters.

Further, the second test terminal includes the following types: an intra-cabinet bus CAND communication terminal, an intra-cabinet bus CANE communication terminal, host track signal input terminals ZIN (Z) and XIN (Z), parallel operation track signal input terminals ZIN (B) and XIN (B), an operating condition terminal, a receiver failure alarm condition terminal JB, host track relay output terminals G and GH, parallel operation track relay output terminals G (B) and GH (B), and a receiver power supply terminal.

The working condition terminals comprise address terminals, carrier frequency terminals, main track frequency selection terminals and small track frequency selection terminals, wherein the address terminals comprise host CAN address selection terminals ADR 1-ADR 4(Z) and parallel operation CAN address selection terminals ADR 1-ADR 4 (B); the carrier frequency terminals include host carrier frequency coding condition selection terminals 1700(Z), 2000(Z), 2300(Z), 2600(Z), and parallel carrier frequency coding condition selection terminals 1700(B), 2000(B), 2300(B), 2600 (B); the main track frequency selection terminal comprises a main machine main track frequency selection condition terminal-1 (Z), -2(Z), and a parallel machine main track frequency selection condition terminal-1 (B), -2 (B); the small track frequency selection terminal comprises main machine small track frequency selection condition terminals X1(Z) and X2(Z), and parallel machine main track frequency selection condition terminals X1(B) and X2 (B).

The receiver power terminals include a power male terminal 024, a power male terminal + 24.

Wherein the content of the first and second substances,

the CAND communication terminal of the bus in the cabinet and the CANE communication terminal of the bus in the cabinet are in communication connection with the CAN communication board card through the interface adaptation unit, and the coding condition of the receiver and the working state of the receiver are sent;

the signal input terminals ZIN (Z) and XIN (Z) of the main machine track, the signal input terminals ZIN (B) and XIN (B) of the parallel operation track are in communication connection with a signal generator board card and a power amplifier through an interface adaptation unit, and adjustable main track signals and small track signals are generated through the signal generator and the power amplifier, so that the output response test of the receiver is realized, and the sensitivity and resolution index of the receiver are further judged;

the working condition terminal is in communication connection with the IO output board card through the interface adaptation unit, and provides working voltage, carrier frequency conditions, address conditions, main track frequency selection conditions and small track frequency selection conditions which are changed by the receiver through the digital IO and the first power supply;

the receiver fault alarm condition terminal JB, the output terminals G and GH of the main machine track relay, and the output terminals G (B) and GH (B) of the parallel operation track relay are in communication connection with the voltage analog quantity acquisition board card through an interface adaptation unit, so that the receiver fault alarm output voltage, the output voltage of the main machine track relay and the output voltage of the parallel operation track relay are monitored in real time;

the interface adaptation unit is connected with adjustable resistors in parallel at the communication connection positions of a receiver fault alarm condition terminal JB, a host track relay output terminal G, GH, a parallel operation track relay output terminal G (B), GH (B) and a voltage analog quantity acquisition board card, and the adjustable resistor board card is used for adjusting the receiver to receive an alarm relay output load, a host track relay output load and a parallel operation track relay output load;

the receiver power terminal is communicatively coupled to a second power source.

The second power supply terminal is in communication connection with the first power supply.

The second control terminal is in communication connection with the IO output board card through the interface adapting unit, and the IO output board card controls the relay to switch through the second control terminal to realize corresponding switching of different receivers.

Further, the third test terminal includes the following types:

CAN bus communication terminals, signal leading-in terminals T (1-12), signal leading-in loop terminals R (1-12), address and branching collector power terminals, wherein the branching collector power terminals comprise JC24 and JC024, JC 24: monitoring a 24V power supply positive terminal, JC 024: monitoring a 24V power supply return wire;

the CAN bus communication terminal is in communication connection with the CAN communication board card through the interface adaptation unit; sending working conditions of the branching collector and receiving signals of the branching collector;

the signal leading-in terminals T (1-12) and the signal leading-in return line terminals R (1-12) are in communication connection with the signal generator board card and the power amplifier through the interface adaptation unit, and adjustable signals are generated through the signal generator and the power amplifier;

the signal introducing terminal T (1-12) and the signal introducing return line terminal R (1-12) are in communication connection with the IO output board card through the interface adaptation unit, the change and the address change of a branching collector signal channel are provided through the IO output board card and the first power supply, and the change of the branching collector signal channel is used for testing the receiving sensitivity of each signal channel of the branching collector;

and the power terminal of the branching collector is in communication connection with the second power supply.

The third power supply terminal is communicatively connected to the first power supply.

The third control terminal is in communication connection with the IO output board card through the interface adapting unit, and the IO output board card controls the relay to switch through the second control terminal to realize corresponding switching of different branching collectors.

Further, the fourth test terminal includes the following types: the CANA, CANB, CANC, CAND, CANE, working condition terminals and communication interface board power supply terminals, wherein the working condition terminals comprise addresses and board type selection terminals, and the communication interface board power supply terminals comprise 024, + 24;

CANA, CANB, CANC, CAND and CANE are in communication connection with the CAN communication board card through an interface adaptation unit, and are used for sending CANA, CANB, CANC, CAND and CANE coding information and receiving the working state of a communication interface board;

the working condition terminal is in communication connection with the IO output board card through the interface adapting unit, and provides address conditions and board card type conditions which are changed by the communication interface board through the IO output board card and the first power supply;

and the power supply terminal of the communication interface board is in communication connection with the second power supply.

The fourth power terminal is communicatively connected to the first power source.

The fourth control terminal is in communication connection with the IO output board card through the interface adapting unit, and the IO output board card controls the relay to switch through the second control terminal to realize corresponding switching of different communication interface boards.

The performance test system suitable for the track circuit product comprises a general host control component and an equipment operation carrier, wherein the general host control component comprises a general bus control unit and a transmission unit, the equipment operation carrier comprises the track circuit product including a transmitter unit and a receiver unit, further preferably, the equipment operation carrier further comprises track circuit products such as a branching collector and a communication interface board, the general bus control unit is in communication connection with the equipment operation carrier through the transmission unit, and through the mutual independent mode of the general host control component and the equipment operation carrier, one general host can be adapted to different track circuit products, so that the compatibility of tests of different types of track circuit products is realized.

The performance test system adopts a parallel test technology. The universal host control component comprises all functional modules based on a universal bus control unit, and all the modules can realize synchronous and parallel measurement through a bus clock, so that the test efficiency is improved.

The performance test system establishes a semi-physical simulation test of the signal equipment module level. And correspondingly matching the control part of the general host and the equipment operation carrier, accessing the track circuit product real object into a simulation environment, and performing complete function and performance test on the track circuit product real object through a software defined hardware interface based on a simulation model.

The present embodiment further provides a performance testing method using the performance testing system suitable for track circuit products, including the following steps:

the general host control part receives the executable test command, analyzes the executable test command to obtain a control command, and the executable test command is the executable test command with parameters generated by the test case;

In particular, the method comprises the following steps of,

the general bus control unit receives the executable test command, analyzes the executable test command to obtain a control command containing the test of the corresponding track circuit product, and sends the control command containing the test of the corresponding track circuit product to the test resource group of the corresponding track circuit product;

the test resource group corresponding to the track circuit product receives the test result of the corresponding track circuit product and can perform corresponding processing, for example, automatically perform comparative analysis on the actual test result and the expected result in the test case.

In the process of executing the test method, a power module (the first power supply and the second power supply) is adopted to supply power to the equipment operation carrier, the interface adaptation unit and the working condition of the equipment operation carrier. The first power supply is adopted to supply power to the interface adapting unit and the working condition of the track circuit product, and the second power supply is adopted to supply power to the power supply of the track circuit product.

The track circuit product for performing the test in this embodiment includes a transmitter, a receiver, a branch collector, and a communication interface board, for example, 20 transmitters, 10 receivers, 6 branch collectors, and 2 communication interface boards, but it should be noted that the track circuit product for testing includes, but is not limited to, the above-mentioned transmitters, receivers, branch collectors, and communication interface boards, and the number of the transmitters, receivers, branch collectors, and communication interface boards is also only an example, and can be set by a person skilled in the art according to actual needs.

Specifically, the performance test of the track circuit product comprises a traversal test and a comparison test; the traversal test comprises but is not limited to a sender unit traversal test, a receiver unit traversal test, a branching collector unit traversal test and a communication interface board unit traversal test; the contrast test includes, but is not limited to, a transmitter unit contrast test and a receiver unit contrast test.

The transmitter unit comparison test comprises a plurality of transmitter comparison tests, and the plurality of transmitter comparison tests comprise the following steps:

For example, as shown in fig. 23, the universal bus control unit receives an executable test command with parameters, which is generated by a test case and sent by an upper computer, through a TCP communication manner, analyzes the executable test command to obtain a control command corresponding to a comparison test of two transmitters, and then the universal bus control unit tests two transmitters in an equipment operation carrier through a first test resource group through the control command, and the remaining transmitters are in default working conditions of the # 1 backup transmitter and powered by an independent power supply.

Specifically, the universal bus control unit sends a transmitter comparison test command to an IO output board card and a CAN communication board card in a first test resource group connected with two transmitters, and the IO output board card and the CAN communication board card in the first test resource group receive and send the transmitter comparison test command and then generate first test driving information. The universal bus control unit excites and configures the IO output board card and the CAN communication board card in a first test resource group connected with the two transmitters under the same input condition, so that the two transmitters CAN simultaneously input excitation, and the method specifically comprises the following steps:

the universal bus control unit sends a control command to the IO output board card 1 and the IO output board card 2, and conditional input is carried out on the two transmitter test terminals; the universal bus control unit transmits a control command to the programmable power supply 1 (namely the first power supply) and the programmable power supply 2 (namely the second power supply) to generate an electrical condition, and supplies power to the two transmitters and supplies power to the working condition; the universal bus control unit transmits a control command to the CAN communication board card 1 to generate CAN signals, and CAN communication data interaction is carried out between the CAN communication board card 1 and the 1 st transmitter; the universal bus control unit transmits a control command to the CAN communication board card 2 to generate CAN signals, and CAN communication data interaction is carried out between the CAN communication board card 2 and the 2 nd transmitter; the universal bus control unit sends a control command to the adjustable resistance board card 1, and sets a load (namely an adjustable resistance) of the 1 st transmitter; the universal bus control unit sends the control command to the adjustable resistor board card 2, and sets the load (i.e. the adjustable resistor) of the 2 nd transmitter.

The first test driving information is sent to the two corresponding transmitters in the transmitter unit through the interface adaptation unit, the corresponding transmitters feed the test result back to the first test resource group through the interface adaptation unit, and the two transmitters collect and compare the test result: if the CAN communication output data of the 1 st transmitter is transmitted to the CAN communication board card 1, the CAN communication output data of the 2 nd transmitter is transmitted to the CAN communication board card 2, and meanwhile CAN communication test data are collected and compared; acquiring and transmitting the frequency shift signal of the 1 st transmitter to a frequency shift signal acquisition board card 1 in an oscilloscope manner, acquiring and transmitting the frequency shift signal of the 2 nd transmitter to a frequency shift signal acquisition board card 2 in an oscilloscope manner, and acquiring and comparing analog quantity test data; the voltage analog quantity signals of the 1 st transmitter are collected and transmitted to the voltage analog quantity collection board card 1 in a multimeter mode, the voltage analog quantity signals of the 2 nd transmitter are collected and transmitted to the voltage analog quantity collection board card 2 in a multimeter mode, and meanwhile, waveform data are collected and compared.

And according to the test requirement, the simulation load can be connected in parallel to the transmitter test terminals S1 and S2, and the simulation load is switched under different steel rail parameter conditions through the IO output board card and the first power supply.

The traversal test of the transmitter unit comprises the following steps:

the universal bus control unit receives the executable test command, analyzes the executable test command to obtain a control command containing the traversal test of the transmitter unit, and sends the control command containing the traversal test of the transmitter unit to the first test resource group;

Illustratively, the universal bus control unit is tested by 1 transmitter in the first test resource group control equipment operation carrier through a control command, and the rest transmitters are in default working conditions of 1# standby transmitters and are powered by independent power supplies. The testing process is the same as the 1 st transmitter testing process in the testing process, after the 1 st transmitter testing is finished, the transmitters are switched through the IO output board card control terminal, the 2 nd transmitter testing can be started until the 20 th transmitter testing can be carried out in sequence, and therefore the traversing testing of the 20 th transmitters is achieved.

The receiver unit comparison test comprises a plurality of receiver comparison tests, and the plurality of receiver comparison tests comprise the following steps:

For example, as shown in fig. 24, the universal bus control unit receives an executable test command with parameters, which is generated by a test case and sent by an upper computer, through a TCP communication manner, analyzes the executable test command to obtain a control command corresponding to a comparison test of two receivers, and then the universal bus control unit tests the two receivers corresponding to the equipment operation carrier through the control command by using the second test resource group, and the remaining receivers are in default working conditions of the # 1 receiver and powered by an independent power supply.

Specifically, the universal bus control unit sends a receiver comparison test command to the IO output board card, the CAN communication board card, the signal generator board card and the power amplifier in the second test resource group connected to the two receivers, and the IO output board card, the CAN communication board card, the signal generator board card and the power amplifier in the second test resource group receive the receiver comparison test command and then generate third test driving information, that is, the universal bus control unit performs excitation and configuration under the same input condition to the IO output board card, the CAN communication board card, the signal generator board card and the power amplifier in the third test resource group connected to the two receivers, so that the two receivers CAN simultaneously input excitation, which is specifically as follows:

the universal bus control unit sends a control command to the IO output board card 1 and the IO output board card 2, and conditional input is carried out on the two receiver test terminals; the universal bus control unit transmits a control command to the programmable power supply 1 (namely the first power supply) and the programmable power supply 2 (namely the second power supply) to generate electrical conditions, and supplies power to the two receivers and supplies power to the receivers under working conditions; the universal bus control unit transmits a control command to the CAN communication board card 1 to generate CAN signals, and sends CAN communication data to the 1 st receiver; the universal bus control unit transmits a control command to the CAN communication board card 2 to generate CAN signals, and sends CAN communication data to the 2 nd receiver; the universal bus control unit transmits a control command to the signal generator board card 1 to generate a frequency shift signal, and the frequency shift signal is amplified by the power amplifier 1 to excite the 1 st receiver; the universal bus control unit transmits the control command to the signal generator board 2 to generate a frequency shift signal, and the frequency shift signal is amplified by the power amplifier 2 to excite the 2 nd receiver.

The third test driving information is sent to the two receivers corresponding to the receiver unit through the interface adaptation unit, the corresponding receivers feed the test result back to the second test resource group through the interface adaptation unit, and the acquisition and comparison analysis of the test results of the two receivers are carried out: if the CAN communication output data of the 1 st receiver is transmitted to the CAN communication board card 1, the CAN communication output data of the 2 nd receiver is transmitted to the CAN communication board card 2, and meanwhile CAN communication test data are collected and compared; the voltage analog quantity signal of the 1 st receiver is collected and transmitted to the voltage analog quantity collecting board card 1 in a multimeter mode, the voltage analog quantity signal of the 2 nd receiver is collected and transmitted to the voltage analog quantity collecting board card 2 in a multimeter mode, and meanwhile, analog quantity test data are collected and compared.

The traversal test of the receiver unit comprises the following steps:

Illustratively, the universal bus control unit is controlled by the second test resource group to run 1 receiver in the carrier to test through the control command, and the rest receivers are in the default working condition of the 1# receiver and are powered by the independent power supply. The test process is the same as the test process of the 1 st receiver in the test process, after the test of the 1 st receiver is finished, the receivers are switched through the IO output board card control terminal, the test of the 2 nd receiver can be started, and the test can be carried out in sequence until the 10 th receiver, so that the traversing test of the 10 receivers is realized.

The traversal test of the branching collector unit comprises the following steps:

For example, as shown in fig. 25, the general bus control unit receives an executable test command with parameters, which is generated by a test case and sent by an upper computer, through a TCP communication manner, analyzes the executable test command to obtain a control command for traversing test of the branch collectors, and then the general bus control unit tests each branch collector in the device operation carrier through a third test resource group through the control command, where when one branch collector is tested, the other branch collectors are in a default working condition and powered by an independent power supply.

Specifically, the universal bus control unit sends a branching collector test command to an IO output board card, a CAN communication board card, a signal generator board card and a power amplifier in a third test resource group connected with the branching collector, the IO output board card, the CAN communication board card, the signal generator board card and the power amplifier in the third test resource group receive the branching collector test command and then generate fifth test drive information, that is, the universal bus control unit excites and configures input conditions to the IO output board card, the CAN communication board card, the signal generator board card and the power amplifier in the third test resource group connected with the branching collector, so as to realize input excitation of the branching collector, which is specifically as follows:

the universal bus control unit issues control commands to the IO output board card 1 and the IO output board card 2, and conditional input is carried out on test terminals of the branch collector; the universal bus control unit transmits a control command to the programmable power supply 1 (namely the first power supply) and the programmable power supply 2 (namely the second power supply) to generate an electrical condition, and the wire-dividing collector supplies power and supplies power under a working condition; the universal bus control unit transmits a control command to the CAN communication board card 1 to generate CAN signals, and the branch collector carries out CAN communication data interaction; the universal bus control unit transmits the control command to the signal generator board card for generating a frequency shift signal, and the frequency shift signal is amplified by the power amplifier and excited by the branch collector. After the test of the 1 st branching collector is finished, the branching collectors are switched through the IO output board card control terminal, the test of the 2 nd branching collector is started, and the test is sequentially carried out, so that the traversing test of the 6 branching collectors is realized.

The fifth test driving information is sent to the corresponding branching collector in the branching collector unit through the interface adaptation unit, and the corresponding branching collector feeds the test result back to the third test resource group through the interface adaptation unit to collect the test result: if the CAN communication output data of the branching collector is transmitted to the CAN communication board card, CAN communication test data is collected.

The traversal test of the communication interface board unit comprises the following steps:

For example, as shown in fig. 26, the general bus control unit receives an executable test command with parameters, which is generated by a test case and sent by an upper computer, through a TCP communication manner, analyzes the executable test command to obtain a control command for a traversal test of the communication interface boards, and then the general bus control unit tests each communication interface board in the device operation carrier through a fourth test resource group through the control command, where when one of the communication interface boards is tested, the remaining communication interface boards are in a default working condition and powered by an independent power supply.

Specifically, the universal bus control unit sends a communication interface board test command to an IO output board card and a CAN communication board card in a fourth test resource group connected to the communication interface board, the IO output board card and the CAN communication board card in the fourth test resource group generate sixth test driving information after receiving the communication interface board test command, that is, the universal bus control unit excites and configures input conditions to the IO output board card and the CAN communication board card in a third test resource group connected to the communication interface board, so as to realize input excitation of the communication interface board, which specifically includes:

the universal bus control unit issues a control command to the IO output board card 1 and the IO output board card 2, and performs condition input on a communication interface board test terminal; the universal bus control unit transmits a control command to the programmable power supply 1 (namely, a first power supply) and the programmable power supply 2 (namely, a second power supply) to generate an electrical condition, and supplies power to the communication interface board under a working condition; the universal bus control unit transmits the control command to the CAN communication board card 1 to generate CAND/CANE signals, transmits the control command to the CAN communication board card 2 to generate CANA/CANB signals, and performs CAN communication data interaction with the communication interface board. After the 1 st communication interface board is tested, the communication interface board is switched through the IO output board card control terminal, the 2 nd communication interface board can be tested, and the steps are sequentially carried out, so that the traversal test of the 2 nd communication interface board is realized.

The sixth test driving information is sent to the corresponding communication interface board in the communication interface board unit through the interface adapting unit, and the corresponding communication interface board feeds back the test result to the fourth test resource group through the interface adapting unit to collect the test result of the communication interface board: if the CAND/CANE communication output data of the communication interface board is transmitted to the CAN communication board card 1, the CANA/CANB communication output data of the communication interface board is transmitted to the CAN communication board card 2, CAN communication test data is collected, the CANC communication output data of the communication interface board is transmitted to the CAN communication board card 3, and the CAN communication test data is collected.

According to the performance method suitable for the track circuit products, the general host control component receives the executable test command, analyzes the executable test command to obtain the control command, and performs performance test on various track circuit products in the equipment operation carrier through the control command, so that the compatibility of the test of different types of track circuit products is realized.

The test method can support large-scale test, can receive control commands in real time or step by step based on a platform network architecture, controls traversal test of a plurality of transmitters, a plurality of receivers, a plurality of communication interface boards and a plurality of branching collectors through IO output, and can simultaneously compare and test a plurality of (such as two) same track circuit devices (such as two transmitters or two receivers) at the same time to perform comparison and evaluation on functions, performance and safety angles.

For the above-mentioned test cases, the present embodiment provides a design method for performance test cases suitable for track circuit products, and the design of the test cases is performed based on performance indexes, operating conditions, different application environments, failure modes, and boundary conditions of the track circuit products.

The test case design mainly realizes the generation and the issue of test commands and is mainly divided into the functions of basic case base design, test command generation, compiling, issue and the like.

As shown in fig. 27, the method for designing a test case specifically includes the following steps:

s1 designing basic case base according to test requirement.

In particular, the method comprises the following steps of,

summarizing and organizing the test requirements, classifying the technical requirements in the requirement specification, and summarizing and refining the test requirements with the same operation process into a functional characteristic;

the functional characteristics suitable for different levels of combination conditions are described as a unified basic test case, and each basic test case is standardized and described to obtain a basic case library.

S2 forming a test case base based on the basic case base.

In particular, the method comprises the following steps of,

connecting more than one basic test case in the basic case library in series according to the sequence to form test items;

putting the test items with the same test function together to form a test case;

carrying out standardized description on each test case to obtain a test case library;

each test case has the integration capability of data and behavior description, and one test case correspondingly checks one function point or one process;

the test case design comprises: test case number, tested characteristics of the tested equipment, test type, test purpose and test steps; the testing steps comprise the condition type number of the test case, interface parameters, delay time and expected results.

S3, setting a test case analysis module, and generating the executable test command with the parameters from the test cases in the test case library by combining the parameter configuration.

Specifically, according to the test case, the frame header in the test case is converted into an executable command: start with < start, end frame with/>; the frame text is converted into an executable command: starting with < states > and ending with </states >, the header and body of the frame constitute a frame integrity test command. Where each test action in the frame body starts with < state, at/>

Ending, adding step (step 1-100000), condition1 (input condition number), content, delay (0-30000 ms) according to the sequence of the scheme steps.

For example: the complete test command is:

<state step＝"9"condition1＝"FS_8.1"content＝"000010/000001"

delay＝"1000"/>

</states>。

the executable test command can be issued to the universal bus control component through the upper computer, and the universal bus control component realizes the performance test of the track circuit product according to the executable test command.

In particular, the method comprises the following steps of,

the executable test commands comprise the serial number, the parameters and the delay time of each step in the test execution process, and each executable test command corresponds to the test step in the test case one by one;

the frame head of the executable test command is displayed in hexadecimal mode, the sequence is in a big end MSB mode, the frame text is UTF-8 character string, and the data format adopts XML markup language.

The format of the data frame in which the test command can be executed is shown in table 1 below:

table 1:

as can be seen from the above table, the data frame structure capable of executing the test command includes a frame header and a frame body, and the frame header includes a case number, a body length, and a frame type.

The case number represents a test case issuing number, and is specifically a case number issued to the universal bus control component through the upper computer, and when a test case is issued each time, the number is automatically increased by 1, and the default value is 00.

The text length is as follows: total length of data frame, ranging from case number to frame body, unit: a byte.

The frame types correspond to different track circuit products; for example, the transmitter is 0X01, the receiver is 0X02, the tap collector is 0X03, and the track circuit communication interface board is 0X 04.

The frame text is used for describing the test case, and the content comprises a plurality of test actions.

The basic case library includes a transmitter basic case library, a receiver basic case library, a branch collector basic case library and a communication interface board basic case library according to a measured track circuit product, as shown in fig. 28.

Specifically, the transmitter base case library includes a first input type base test case and a first output type base test case.

The first input type basic test case sets the kind of the first input condition and the execution step, parameter and execution time of the first input condition according to the functional characteristics of the transmitter; and different first input base test case items are included according to the kind of the first input condition.

The category of the first input condition includes: the device comprises a carrier frequency condition, a carrier frequency type, a CAN communication address, a level, CAN communication coding data, a working voltage, a transmitter power amplifier output signal load resistor and a transmitter alarm relay load resistor.

The first input basic test case item comprises a basic test case item name, a base terminal name, a test type, a serial number, a basic test case item description and an interface parameter.

The first output-type base test cases set an item class of the first output expected result according to the functional characteristics of the transmitter, and contain different items of the first output base test cases according to the item class of the first output expected result.

The category of the first output expected result includes an output signal of the transmitter power amplifier signal output test terminal, an output voltage of the transmission alarm relay output line, an output signal of the transmitter power amplifier signal output terminal, a data frame of the in-cabinet bus CAND communication, a data frame of the in-cabinet bus can communication.

The first output basic test case item comprises a basic test case item name, a base terminal name, a test type, a number, a basic test case item description and an expected result.

The receiver base case library includes a second input-type base test case and a second output-type base test case.

The second input type basic test case sets the type of the second input condition and the execution step, the parameter and the execution time of the second input condition according to the functional characteristics of the receiver; and contains different second input base test case items according to the kind of the second input condition.

The kind of the second input condition includes: the system comprises a main rail carrier frequency condition, a main rail carrier frequency type selection, a small rail carrier frequency type selection, a CAN communication address, CAN communication coding data, working voltage, a rail load and an input signal.

The second input basic test case item comprises a basic test case name, a base terminal name, a test type, a serial number, a basic test case description and an interface parameter.

The second output type base test case sets an item class of a second output expected result according to the functional characteristics of the receiver, and includes different second output base test case items according to the item class of the second output expected result.

The second category of output expected results includes output signals of the host track relay, output signals of the parallel track relay, output voltages of the receiver fault alarm condition, data frames communicated by the intra-cabinet bus CAND, data frames communicated by the intra-cabinet bus can.

The output type basic test case comprises: the name of the basic test case, the name of the base terminal, the test type, the number, the description of the basic test case, and the expected result.

The branch collector basic case library comprises a third input type basic test case and a third output type basic test case.

The third input type basic test case sets the type of a third input condition and the execution step, the parameter and the execution time of the third input condition according to the functional characteristics of the branching collector; and contains different third input base test case items according to the kind of the third input condition.

The type of the third input condition comprises a CAN communication address, CAN communication coding data, a working voltage and an input signal.

The third input basic test case item comprises a basic test case item name, a base terminal name, a test type, a serial number, a basic test case item description and an interface parameter.

And the third output type basic test case sets an item class of a third output expected result according to the functional characteristics of the branching collector, and contains different third output basic test case items according to the item class of the third output expected result.

The item class of the third output expected result comprises a forward transmitting end/reverse receiving end CAN communication data frame and a reverse transmitting end/forward receiving end CAN communication data frame.

The third output basic test case item comprises a basic test case item name, a base terminal name, a test type, a number, a basic test case item description and an expected result.

The communication interface board basic case library comprises a fourth input type basic test case and a fourth output type basic test case.

The fourth input type basic test case sets the type of the fourth input condition and the execution step, the parameter and the execution time of the fourth input condition according to the functional characteristics of the communication interface board; and contains different fourth input base test case items according to the kind of the fourth input condition.

The kind of the fourth input condition includes: CAN communication address, CAN communication coding data, working voltage and board card type.

The fourth input basic test case item comprises a basic test case item name, a base terminal name, a test type, a serial number, a basic test case item description and an interface parameter.

The fourth output type basic test case sets an item class of a fourth output expected result according to the functional characteristics of the communication interface board, and contains different fourth output basic test case items according to the item class of the fourth output expected result.

The item classes of the fourth output expected result include a CANA data frame, a CANB data frame, a CANC data frame, a CAND data frame, a can data frame.

The fourth output basic test case item comprises a basic test case item name, a base terminal name, a test type, a number, a basic test case item description and an expected result.

The test cases comprise a transmitter test case, a receiver test case, a branching collector test case and a communication interface board test case according to the tested track circuit product.

As shown in fig. 29, the transmitter test case, the receiver test case, the distribution collector test case, and the communication interface board test case respectively include a normal test case, a fault injection test case, and a boundary test case.

Conventional test cases:

the conventional working conditions of the transmitter, the receiver, the communication interface board and the branching collector are provided through the condition excitation of output drive control, load output control, communication data transmission and frequency shift signal generation, and the conventional item test aiming at the product hardware is carried out.

Fault injection test case:

the method comprises the steps of generating a customized waveform by a real-time data stream through a control signal generator, and verifying demodulation accuracy under specific frequency interference of 25Hz, 50Hz, higher harmonics and the like by combining an injection signal inlet of a power amplifier.

The operation stability is verified by controlling the CAN communication board card to change the frame structure, change the sending rate, change the sending interval, increase error frames, interrupt the dual-network communication and the like.

The 'failure-safety' function of the receiver is verified by controlling the IO board card and the power input failure working level condition.

Boundary test case:

the operation state of the track circuit product under different voltage outputs is verified by controlling the output voltage of the adjustable power supply, such as applying the working boundary condition of the power supply and the terminal voltage boundary condition of the working condition.

And verifying the running state of the track circuit product under the load boundary condition by controlling the adjustable output load.

And outputting the frequency shift signal frequency near the boundary value by controlling the signal generator, and verifying the demodulation capability of the track circuit product under the boundary frequency shift frequency.

Specifically, the transmitter test cases include a first normal test case, a first fault injection test case, and a first boundary test case.

The first conventional test case comprises a CAN communication coding combination test, a CAN address coding combination test, a power amplifier output voltage and current uploading test and a transmitter carrier frequency low-frequency change test;

the first fault injection test case comprises a CAN address interruption test, a CAN communication error test, a main transmission fault test, a standby transmission fault test and a CAND and CANE data frame inconsistency test;

the first boundary test case comprises an FBJ loading capacity test and an operating voltage test.

The receiver test cases include a second normal test case, a second fault injection test case, and a second boundary test case.

The second conventional test case comprises a track input signal carrier frequency low-frequency traversal test, a CAN address traversal test, a track relay suck-up and drop delay test and a track relay suck-up and drop threshold test;

the second fault injection test case comprises a CAN address fault test, a CAN communication interruption test, a CAN communication error test and an input signal noise interference test;

the second boundary test case comprises a frequency offset test, a track loading capability test, a JB loading capability test and an operating voltage test.

The test cases of the branching collector comprise a third conventional test case, a third fault injection test case and a third boundary test case.

The third conventional test case includes acquisition channel (e.g., acquisition channels 1-6) signal acquisition error testing;

the third fault injection test case comprises an acquisition channel (such as acquisition channels 1-6) mixed noise signal acquisition error test and an inter-section mutual interference test;

the third boundary test case includes an operating voltage test.

The communication interface board test case comprises a fourth conventional test case, a fourth fault injection test case and a fourth boundary test case.

The fourth conventional test case comprises a forwarding coding information test, a forwarding state information test, a forwarding monitoring information test and a CAN address coding combination test;

the fourth fault injection test case comprises a forwarding coding information fault injection test, a forwarding state information fault injection test, a forwarding monitoring information fault injection test, a CAN address fault test and a board card type wiring fault;

the fourth boundary test case includes the operating voltage test.

The method for designing the test cases suitable for the performance of the track circuit product comprises the steps of designing a basic case base according to test requirements, forming the test case base based on the basic case base, setting a test case analysis module, combining parameter configuration, generating executable test commands with parameters for test cases in the test case base, sending the executable test commands to a test management platform through an upper computer, and realizing the performance test of the track circuit product by the test management platform according to the executable test commands.

According to the running environment in the actual working environment of the track circuit, the case design method can be used for designing test cases in a full application scene, so that complete application scene test cases are simulated and completed in a limited test time and test environment, hardware interfaces are combed according to the hardware test requirements in product files, the phenomena possibly occurring in the actual application scene of the hardware interfaces are analyzed, conventional test cases, boundary test cases and fault injection test cases are summarized, and the test case design covering all hardware function tests can be carried out. And then different working condition combination excitations of the track circuit product are realized through the universal host control component, including forward excitation and reverse excitation, and a test case can be formulated according to the current test requirement in the test process, so that the content of the test case is customized.

The method comprises the steps of setting a basic case base according to test requirements, wherein the basic case base comprises a transmitter basic case base, a receiver basic case base, a branching collector basic case base and a communication interface board basic case base according to a tested track circuit product, forming test cases in the test case base on the basis of the basic case base according to the tested track circuit product, wherein the test cases comprise a transmitter test case, a receiver test case, a branching collector test case and a communication interface board test case, the transmitter test case, the receiver test case, the branching collector test case and the communication interface board test case respectively comprise a conventional test case, a fault injection test case and a boundary test case, and through the complete demand-based test cases and a large number of fault injection test cases based on fault models and environmental conditions, the universal host control component can be complete, The hardware function of the track circuit equipment is tested efficiently, and the reliability test based on the product hardware is realized. And the fault injection test case and the boundary test case are designed according to the running condition, the performance index and the fault mode of the tested track circuit product, and the relevant condition parameters of the test process can be obtained through fault condition application and signal boundary adjustment, so that the performance characteristics of the track circuit to the index are judged.

Corresponding to the design method of the test case, the embodiment further provides a design system of the test case, and the design system of the test case specifically comprises a basic case library construction unit, a test case library construction unit and a test command generation unit;

the basic case base building unit is used for designing a basic case base according to the test requirement;

the test case base building unit is used for forming a test case base based on the basic case base;

and the test command generating unit is used for setting the test case analysis module and generating the test cases in the test case library into executable test commands with parameters by combining parameter configuration.

Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.

Claims

1. A compatibility testing method for a track circuit product, comprising the steps of:

2. The compatibility capability test method of claim 1, wherein the capability test comprises a traversal test and a comparison test;

the comparison test comprises a transmitter unit comparison test and a receiver unit comparison test;

3. The compatibility testing method of claim 1, wherein the general host control component receives an executable test command, parses the executable test command to obtain a control command, and performs the performance testing on the plurality of track circuit products in the device operating carrier through the control command, specifically comprising the steps of:

4. The compatibility testing method of claim 2, further comprising powering the device runtime carrier, the interface adaptation unit, and the device runtime carrier operating conditions with a power module.

5. The compatibility testing method of claim 4, further comprising connecting an artificial analog load in parallel across the transmitter test terminals S1, S2;

6. A compatibility capability test system comprising a general host control unit configured to:

receiving an executable test command, and analyzing the executable test command to obtain a control command, wherein the executable test command is an executable test command with parameters generated by a test case;

and sending a control command to the equipment operation carrier, and carrying out performance test on various track circuit products in the equipment operation carrier through the control command.

7. The compatibility capability test system of claim 6, wherein said capability tests include traversal tests and comparison tests;

the universal host control component comprises a universal bus control unit, a test resource group and an interface adaptation unit, wherein the test resource group comprises a third test resource group;

the universal bus control unit is used for receiving an executable test command, analyzing the executable test command to obtain a control command containing the traversal test of the branching collector unit, and sending the control command containing the traversal test of the branching collector unit to a third test resource group;

the third test resource group is used for switching control terminals of different branch collectors in the branch collector units according to a control command containing traversal test of the branch collector units, generating fifth test driving information for the corresponding branch collectors, and sending the fifth test driving information to the interface adaptation unit, wherein the fifth test driving information comprises an electrical condition generating signal, a condition input signal, a CAN signal and a frequency shift signal excitation signal;

the interface adaptation unit is used for receiving the fifth test driving information, transmitting the fifth test driving information to the corresponding branching collector, receiving the test result of the corresponding branching collector and feeding the test result back to the third test resource group;

the third testing resource group is also used for collecting and analyzing the testing result fed back by the corresponding branching collector.

8. The compatibility testing system of claim 7, further comprising a power module configured to provide power to the device runtime carrier, the interface adapter unit, and the device runtime carrier operating conditions.