CN114325161B

CN114325161B - Compatibility performance test method and system

Info

Publication number: CN114325161B
Application number: CN202111401845.8A
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: 2023-10-27
Anticipated expiration: 2041-09-27
Also published as: CN114264898A; CN114264897B; CN114252715B; CN114252715A; CN113567796A; CN114264897A; CN113567796B; CN114325161A; CN114264898B; CN114264899A; CN114264899B

Abstract

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

Description

Compatibility performance test 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 products comprise a transmitter, a receiver, a communication interface board, a branching collector and the like, and in order to improve the running reliability of the track circuit products, performance tests are required to be carried out on the track circuit products.

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

1) The test is only carried out on a single type of track circuit product, such as the test is carried out on a transmitter, a receiver, a communication interface board or a branching collector, and the compatibility problem of the test of different types of track circuit products is not considered, such as the scheme of jointly carrying out the test on a plurality of track circuit products is not realized.

2) The test is only carried out on a single product of a single type of track circuit, such as a single device in a transmitter, a receiver, a communication interface board or a branching collector, and the scale test is not considered, such as a scheme for carrying out comparison test on a plurality of track circuit products in the test process at the same time.

Disclosure of Invention

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

The invention is realized by the following technical scheme:

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

the method comprises the steps that a general host control component receives an executable test command, analyzes 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;

The general host control unit performs performance testing on various track circuit products in the equipment operation carrier through control commands.

Further, the general host control unit 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, and specifically comprises 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 corresponding track circuit product test, and sends the control command containing the corresponding track circuit product test to a test resource group of the corresponding track circuit product;

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

the corresponding track circuit products perform performance test according to the test driving information, and test results are fed back to the test resource groups of the corresponding track circuit products through the interface adapting unit;

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

Further, the device operation carrier, the interface adapting unit and the working condition of the device operation carrier are powered 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 plurality of transmitter comparison tests, the plurality of transmitter comparison tests including the steps of:

the universal bus control unit receives an executable test command, analyzes the executable test command to obtain a control command containing comparative tests of a plurality of transmitters, and sends the control command containing comparative tests of the plurality of transmitters to a first test resource group;

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

The corresponding multiple transmitters receive the first test driving information, perform performance test according to the first test driving information, and feed back test results 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 performs comparison analysis on the test results of the transmitters.

Further, the transmitter unit traversal test comprises the steps of:

the general bus control unit receives an executable test command, analyzes the executable test command to obtain a control command containing a transmitter unit traversing test, and sends the control command containing the transmitter unit traversing 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 a transmitter unit traversing test, generates second test driving information for the corresponding transmitter, and transmits the second test driving information to the corresponding transmitter through the interface adapting unit, wherein the second test driving information comprises an electric condition generating 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;

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

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

and switching the simulated load under different 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, the plurality of receiver comparison tests including the steps of:

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

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

The corresponding multiple receivers receive the third test driving information, perform performance test according to the third test driving information, and feed back test results to the second test resource group through the interface adaptation unit;

the second test resource group collects test results fed back by the receivers and compares and analyzes the test results of the receivers.

Further, the receiver unit traversal test comprises the steps of:

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

the second test resource group switches control terminals of different receivers in the receiver unit according to a control command comprising the traversing test of the receiver unit, generates fourth test driving information for the corresponding receiver, and sends the fourth test driving information to the corresponding receiver through the interface adapting unit, wherein the fourth test driving information comprises an electric 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 test results to the second test resource group through the interface adaptation unit;

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

Further, the branching collector unit traversal test comprises 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 branch collector unit traversing test, and sends the control command containing the branch collector unit traversing test 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 the traversing test of the branch collector unit, generates fifth test driving information for the corresponding branch collector, and sends the fifth test driving information to the corresponding branch collector through the interface adapting unit, wherein the fifth test driving information comprises an electric 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 test results to a third test resource group through the interface adaptation unit;

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

Further, the communication interface board unit traversal test includes 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 communication interface board unit traversing test, and sends the control command containing the communication interface board unit traversing test to a fourth test resource group;

the fourth test resource group switches control terminals of different communication interface boards in the communication interface board unit according to a control command containing a communication interface board unit traversing test, 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 electric 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 test results 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 test method suitable for the track circuit products, the general host control component receives the executable test command and analyzes the executable test command to obtain the control command, and the general host control component performs performance test on various track circuit products in the equipment operation carrier through the control command, so that the compatibility of the track circuit products of different types is realized.

The test method can support large-scale test, control commands can be received in real time or step by step based on a platform network architecture, traversal tests of a plurality of transmitters, a plurality of receivers, a plurality of communication interface boards and a plurality of branching collectors are controlled through IO output, and a plurality of (for example, two) same track circuit devices (for example, two transmitters or two receivers) can be simultaneously compared and tested in the same time to carry out comparison and evaluation on functions, performances and safety angles.

The universal bus control unit is communicated with the corresponding track circuit products through the PXI bus test resource group, a control command containing the corresponding track circuit product test is sent to the corresponding track circuit product test resource group, test driving information is generated by the corresponding track circuit product test resource group and is sent 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 realized through a bus clock, and the test efficiency is improved.

The test resource group corresponding to the track circuit products receives the test results of the corresponding track circuit products for corresponding processing, for example, the actual test results and the expected results in the test cases are automatically compared and analyzed, and the automation of the test process and the high reliability of the result judgment are ensured. In the past test, the judgment of the test result is more dependent on people, especially when the situation of downtime, error and the like occurs, the test result must be judged by the people, and the further execution of the case must be manually participated. The invention automatically executes the comparison analysis of the actual test result and the expected result in the test case, and can judge the test result more accurately. And the full-automatic test can be continuously carried out for 7 x 24 hours, so that the test efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic diagram illustrating the connection of the universal 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 a first test terminal of the device operation carrier-transmitter unit of the present invention.

Fig. 5 is a schematic diagram of the wiring 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 diagram of the overall wiring of the first test terminal, the first control terminal, and the first power terminal of the device operation carrier-transmitter unit.

Fig. 7 is a schematic diagram of the overall structure of the plant-on-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 diagram of the wiring of the second control terminal and the second power terminal of the device operation carrier-receiver unit of the present invention.

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

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

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

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

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

Fig. 15 is a schematic overall interface 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 diagram of the connection 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 wiring of the fourth test terminal, the fourth control terminal, and the fourth power 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 adaptation unit.

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

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

Fig. 22 is a schematic diagram of the connection of the fourth test terminal, the fourth control terminal, and the fourth power terminal of the device operation carrier-communication interface board unit with the interface adaptation 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 according to the present invention.

Fig. 25 is a graph of the walk-through test of the branching collector unit of the present invention.

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

Fig. 27 is a flow chart of a design method of a performance test case suitable for use in track circuit products according to the present invention.

Fig. 28 is a diagram of the basic test case base structure of the present invention.

Fig. 29 is a block diagram of performance testing of track circuit products using the test cases of the present invention.

Detailed Description

The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Specific embodiments of the present invention are described with reference to a floor facility-track circuit product.

As shown in fig. 1, a schematic structural diagram of a performance test system applicable to a track circuit product according to this embodiment is shown, and it can be seen from the figure that the performance test system includes a host computer, a general host control unit, an equipment operation carrier, and a simulation load.

The upper computer issues a test case to the universal host control component, the upper computer and the universal host control component are connected through Ethernet communication, 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 the communication rate is full duplex; the data format adopts XML markup language.

As shown in fig. 2, the general host control unit 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, a CAN communication bus, a frequency shift signal acquisition channel, a voltage analog acquisition channel, an adjustable resistor interface channel and a signal generation channel. The general bus control unit of the implementation comprises 128 paths of IO outputs, 6 paths of CAN communication buses, 4 paths of frequency shift signal acquisition channels, 2 paths of voltage analog quantity acquisition channels, 4 paths of resistor interface channels and 4 paths of 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 connected with the test resource group through a PXI bus in a communication way, and the test resource group is connected with the equipment operation carrier through the interface adapting unit in a communication way.

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

The device operation carrier includes a plurality of different types of track circuit products, and illustratively, the device operation carrier of the present embodiment includes a transmitter unit, a receiver unit, a wire harness collector unit, and a communication interface board unit.

In particular, the method comprises the steps of,

the transmitter unit comprises a plurality of transmitters, wherein the transmitters are non-insulation frequency-shifting automatic blocking transmitters, each transmitter base is provided with a plurality of first wiring terminals, the plurality of first wiring terminals are respectively led out through relay contacts to serve as first test terminals, the relay of each transmitter is connected in parallel to lead out a first control terminal, and the relay of the plurality of transmitters is connected in parallel to lead out a first power terminal.

The transmitter unit shown in fig. 3 comprises 20 transmitters, wherein the 20 transmitters are divided into 10 transmitters on the upper layer and 10 transmitters on the lower layer respectively through a CAN bus, relays are arranged in the middle, each transmitter base is provided with 41 first wiring terminals, the 41 first wiring terminals are led out through relay nodes to serve as first test terminals, the relays adopt SPDT type, the normal state is the default working condition of the transmitters, and the power supply of the relays is led in by independent power supplies. 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 relay of each transmitter is 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 terminal, and the lower layer 10 transmitters are connected in parallel to lead out a power terminal. Fig. 6 is a schematic diagram of the overall connection of the first test terminals, the first control terminals, and the first power terminals of the transmitter unit, and the entire transmitter unit draws 82 first test terminals, 20 first control terminals, 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 adapting unit (as shown in fig. 19).

Note that the number of transmitters in the present embodiment is not limited to 20, and the number of first connection terminals of each transmitter base is not limited to 41.

The receiver unit comprises a plurality of receivers, for example, the receivers are non-insulation frequency-shifting automatic blocking receivers, each receiver base is provided with a plurality of second wiring terminals, the second wiring terminals are respectively led out through relay contacts to serve as second test terminals, the relay of each receiver is connected in parallel to lead out a second control terminal, and the relay of the plurality of receivers is connected in parallel to lead out a second power terminal.

In fig. 7, the schematic receiver unit includes 10 receivers, which are divided into 5 receivers on the upper layer and 5 receivers on the lower layer through a CAN bus, relays are arranged in the middle, 46 second wiring terminals are arranged on each receiver base, the 46 second wiring terminals are led out through relay nodes to serve as second testing terminals, the relay adopts SPDT type, the normal state is the default working condition of the receiver, and the power supply of the relay is led in by a power supply screen. As shown in fig. 8, the upper layer 5 receivers output 46 second test terminals in parallel, and the lower layer 5 receivers output 46 second test terminals in parallel. As shown in fig. 9, the relay of each receiver is excited in parallel, and 1 second control terminal is led out. The upper layer 5 receivers are connected in parallel to lead out a second power terminal, and the lower layer 5 receivers are connected in parallel to lead out a second power terminal. Fig. 10 is a schematic diagram showing the overall connection of the second test terminals, the second control terminals, and the second power terminals of the receiver unit, and 92 second test terminals, 10 second control terminals, and 2 second power terminals are led out of the whole receiver unit. The second test terminal, the second control terminal and the second power terminal are in communication connection with the test resource group through the interface adapting unit (as shown in fig. 20).

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

The branch line collector unit comprises a plurality of branch line collectors, the branch line collectors are insulation-free frequency-shifting automatic blocking branch line collectors, a plurality of third wiring terminals are arranged on the base of each branch line collector, the plurality of third wiring terminals are led out through relay contacts to serve as third testing terminals respectively, the relay of each branch line collector is led out of a third control terminal in parallel, and the relay of the plurality of branch line collectors is led out of a third power terminal in parallel.

The branch collector unit shown in fig. 11 comprises 6 branch collectors, each branch collector base shown in fig. 12 is provided with 28 third test terminals, the 28 third test terminals are led out through relay nodes to serve as third test terminals, and the relay adopts SPDT type and is normally powered by a power supply screen. As shown in fig. 13, the relay of each branch collector is excited in parallel, and 1 third control terminal is led out. And the 6 branching collectors are connected in parallel to lead out a third power terminal. Fig. 14 is a schematic diagram showing the overall connection of the third test terminals, the third control terminals, and the third power terminals of the branch collector unit, where 28 third test terminals, 6 third control terminals, and 1 third power terminal are led out of the whole branch collector unit. The third test terminal, the third control terminal and the third power terminal are in communication connection with the test resource group through the interface adapting unit (as shown in fig. 21).

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

The communication interface board unit comprises a plurality of communication interface boards, for example, a track circuit communication interface board, a plurality of fourth wiring terminals are arranged on the base of each communication interface board, the fourth wiring terminals are led out through relay contacts to serve as fourth test terminals, the relays of each communication interface board are led out in parallel to form a fourth control terminal, and the relays of the communication interface boards are led out in parallel to form a fourth power terminal.

In fig. 15, the communication interface board unit includes 2 track circuit communication interface boards, each track circuit communication interface board base shown in fig. 16 is provided with 42 fourth wiring terminals, the 42 fourth wiring terminals are led out through relay nodes to serve as fourth test terminals, the relay adopts SPDT type, and power supply is normally supplied by a power supply screen. 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 a fourth power terminal is led out from each track circuit communication interface board in parallel. Fig. 18 is a schematic diagram of the overall connection of the fourth test terminal, the fourth control terminal, and the fourth power terminal of the communication interface board unit. The whole track circuit communication interface board leads out 84 fourth test terminals, 2 fourth control terminals and 2 fourth power terminals. The fourth test terminal, the fourth control terminal, and the fourth power terminal are communicatively connected to the test resource group through the interface adaptation unit (as shown in fig. 22).

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

The test resource group is divided into an output unit and an acquisition unit as a whole, wherein the output unit is divided into an output driving 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 a power amplifier) and is used for outputting working condition excitation and signals to an equipment operation carrier; the acquisition unit is divided into signal acquisition and analysis (frequency shift signal acquisition board), analog quantity acquisition (voltage analog quantity acquisition board) and communication data receiving (CAN communication board) and is used for acquiring and analyzing signals fed back by the 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.

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

The second test resource group comprises 2 digital IO boards, 2 CAN communication boards, 2 resistor boards, 2 voltage analog acquisition boards, 2 signal generation boards and 2 power amplifiers.

The third test resource group comprises 2 digital IO boards, 1 CAN communication board, 2 signal generation boards 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 cards in fig. 19-22 is inconsistent with the number of cards in the above example is that, in the drawing, the cards are split or integrated, for example, fig. 19 shows that there are 4 digital IO cards, which are the result of splitting two digital IO cards, and fig. 19 shows that there is one CAN communication card, which is the result of integrating two CAN communication cards.

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 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 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 feedback information of the transmitter through the interface adaptation unit, and it is to 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, and this embodiment uses the same example.

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 signal to the receiver via 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 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 adapting unit.

The third acquisition unit comprises a CAN communication board card, and the third acquisition unit 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; the fourth output unit outputs the operating condition excitation and signals to the communication interface board through the interface adaptation unit.

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

Further, the first test terminal includes the following types: an intra-cabinet bus CAND communication terminal, an intra-cabinet 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 terminals comprise an address terminal, a carrier frequency terminal, a frequency selecting terminal, a transmitter alarm relay suction contact extraction terminal (FBJJC), the address terminal comprises CAN address selecting terminals (1 ADR 1-1 ADR6, 2ADR 1-2 ADR 6), the carrier frequency terminal comprises carrier frequency coding condition selecting terminals (1700, 2000, 2300, 2600), the frequency selecting terminal comprises frequency selecting condition terminals (-1, -2), and the transmitter power terminal comprises a power external introducing terminal 024 and a power external introducing terminal +24.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

the in-cabinet bus CAND communication terminal is in communication connection with the CAN communication board through the interface adapting unit; the CAN communication board card provides the coding condition of the transmitter and receives the working state of the transmitter;

the power amplifier output terminals S1 and S2 are connected 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 and comprises indexes such as center frequency, frequency precision, frequency offset, distortion degree and the like.

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

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

the interface adapting 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 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 output test terminal load of the power amplifier;

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 are used for providing the level condition of the change of the transmitter so as to realize the setting of different level levels;

a transmitter power terminal is in communication with the second power source.

Preferably, the interface adapting unit is connected with standard load or simulation load in parallel at the connection position of the S1 and S2 and the frequency shift signal acquisition board card, and the standard load or the simulation load simulates the load condition of the transmitter under different conditions in the station and in the section.

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, simulation cables and simulation steel rails of a section, and can simulate the track circuit outdoor system under the conditions of different parameters in a station and a section. And each unit circuit in the simulation load is connected through a relay, and the relay is driven by 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 with a first power source.

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

Further, the second test terminal includes the following types: an in-cabinet bus CAND communication terminal, an in-cabinet bus CANE communication terminal, host track signal input terminals ZIN (Z) and XIN (Z), parallel 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 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 selecting terminals and small track frequency selecting terminals, and the address terminals comprise host CAN address selecting terminals ADR 1-ADR 4 (Z) and parallel CAN address selecting terminals ADR 1-ADR 4 (B); the carrier frequency terminals comprise host carrier frequency coding condition selection terminals 1700 (Z), 2000 (Z), 2300 (Z) and 2600 (Z), and carrier frequency coding condition selection terminals 1700 (B), 2000 (B), 2300 (B) and 2600 (B); the main track frequency selecting terminals comprise main track frequency selecting condition terminals-1 (Z), 2 (Z) of a main track, and parallel main track frequency selecting condition terminals-1 (B), 2 (B); the small track frequency selecting terminals comprise main machine small track frequency selecting condition terminals X1 (Z) and X2 (Z), and parallel machine main track frequency selecting condition terminals X1 (B) and X2 (B).

The receiver power supply terminals include a power supply external lead-in terminal 024 and a power supply external lead-in terminal +24.

the in-cabinet bus CAND communication terminal and the in-cabinet bus CANE communication terminal are in communication connection with the CAN communication board through the interface adapting unit, and are used for sending the coding conditions of the receiver and receiving the working state of the receiver;

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

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

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

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

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

The second power terminal is in communication with the first power source.

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

Further, the third test terminal includes the following types:

CAN bus communication terminal, signal lead-in terminal T (1-12), signal lead-in loop terminal R (1-12), address, separated time collector power supply terminal includes JC24 and JC024, JC24: monitor 24V power positive terminal, JC024: monitoring a 24V power supply loop;

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

The signal introducing terminal T (1-12) and the signal introducing loop terminal R (1-12) are in communication connection with the signal generator board card and the power amplifier through the interface adapting unit, and an adjustable signal is generated through the signal generator and the power amplifier;

the signal introducing terminal T (1-12) and the signal introducing loop terminal R (1-12) are connected with the IO output board card through the interface adapting unit, and the change of the signal channels of the branching collector and the address change are provided through the IO output board card and the first power supply, and the change of the signal channels of the branching collector 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 terminal is in communication with the first power source.

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

Further, the fourth test terminal includes the following types: CANA, CANB, CANC, CAND, CANE, an operating condition terminal comprising an address, board type select terminal, and a communications interface board power terminal comprising 024, +24;

CANA, CANB, CANC, CAND, CANE is connected with the CAN communication board through the interface adapting unit in a communication way, sends CANA, CANB, CANC, CAND, CANE coded information and receives the working state of the communication interface board;

the working condition terminal is connected with the IO output board card through the interface adapting unit, and provides address conditions and board card type conditions of the communication interface board through the IO output board card and the first power supply;

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

The fourth power terminal is in communication with the first power source.

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

The performance test system suitable for the track circuit products of the embodiment 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 track circuit products 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 different track circuit products can be adapted to one general host through the mutual independent mode of the general host control component and the equipment operation carrier, so that the compatibility of the test of different types of track circuit products is realized.

The performance test system adopts a parallel test technology. The universal host control part 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 universal host control part with the equipment operation carrier, accessing the track circuit product object into a simulation environment, and performing complete function and performance test on the track circuit product object through a software defined hardware interface based on a simulation model.

The implementation further provides a testing method for performing performance test by adopting the performance testing system suitable for the track circuit products, which comprises the following steps:

the general host control component receives an executable test command, analyzes 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;

In particular, the method comprises the steps of,

the general bus control unit receives the executable test command, analyzes the executable test command to obtain a control command containing the corresponding track circuit product test, and sends the control command containing the corresponding track circuit product test 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 corresponding to the track circuit product, and can perform corresponding processing, for example, automatically execute comparison analysis on the actual test result and the expected result in the test case.

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

The track circuit products for performing the test in this embodiment include a transmitter, a receiver, a wire harness collector and a communication interface board, and the exemplary transmitter 20, the receiver 10, the wire harness collector 6 and the communication interface board 2 are described, but it should be noted that the track circuit products for testing include, but are not limited to, the above-mentioned transmitter, receiver, wire harness collector and communication interface board, etc., and the number of the transmitter, receiver, wire harness collector and communication interface board is also merely illustrative, and those skilled in the art can set 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 transmitter unit traversal test, a receiver unit traversal test, a wire harness collector unit traversal test, and a communication interface board unit traversal test; the comparison test includes, but is not limited to, a transmitter unit comparison test and a receiver unit comparison test.

Wherein the transmitter unit comparison test comprises a plurality of transmitter comparison tests comprising the steps of:

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

Specifically, the universal bus control unit sends a transmitter contrast test command to the IO output board card and the CAN communication board card in a first test resource group connected with the two transmitters, and the IO output board card and the CAN communication board card in the first test resource group generate first test driving information after receiving the transmitter contrast test command. The general bus control unit carries out excitation and configuration of the same input conditions on the IO output board card and the CAN communication board card in the first test resource group connected with the two transmitters, so that the two transmitters CAN input excitation simultaneously, and the general bus control unit specifically comprises the following steps:

The universal bus control unit sends control commands to the IO output board card 1 and the IO output board card 2, and performs condition input 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 electric conditions, and the two transmitters are powered by the power supply and the working conditions; the general bus control unit transmits a control command to the CAN communication board card 1 to generate CAN signals, and performs CAN communication data interaction with the 1 st transmitter through the CAN communication board card 1; the general bus control unit transmits a control command to the CAN communication board card 2 to generate CAN signals, and performs CAN communication data interaction with the 2 nd transmitter through the CAN communication board card 2; the universal bus control unit sends a control command to the adjustable resistance board card 1 to set the load (namely the adjustable resistance) of the 1 st transmitter; the universal bus control unit sends a control command to the adjustable resistance board 2 to set the load (i.e. the adjustable resistance) of the 2 nd transmitter.

The first test driving information is sent to two corresponding transmitters in the transmitter unit through the interface adaptation unit, the corresponding transmitters feed test results back to the first test resource group through the interface adaptation unit, and acquisition and comparison analysis of the test results of the two transmitters are carried out: 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 the CAN communication test data are collected and compared at the same time; the frequency shift signal of the 1 st transmitter is acquired and transmitted to the frequency shift signal acquisition board card 1 in an oscillograph mode, the frequency shift signal of the 2 nd transmitter is acquired and transmitted to the frequency shift signal acquisition board card 2 in an oscillograph mode, and analog quantity test data are acquired and compared at the same time; 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 test terminals S1 and S2 of the transmitter, and the simulation load is switched under different rail parameter conditions through the IO output board card and the first power supply.

The transmitter unit traversal test 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 traverse test of the transmitter unit, and sends the control command containing the traverse test of the transmitter unit to the first test resource group;

The universal bus control unit is tested by the first test resource group control device running 1 transmitter in the carrier through the control command, and the rest transmitters are in the default working condition of the 1# spare transmitter and are powered by the independent power supply. The testing process is the same as the testing process of the 1 st transmitter in the testing process, after the 1 st transmitter is tested, the transmitters are switched through the IO output board card control terminal, the testing of the 2 nd transmitter can be started until the 20 th transmitter can be sequentially carried out, and therefore the traversing testing of the 20 th transmitters is achieved.

The receiver unit comparison test includes a plurality of receiver comparison tests, including the steps of:

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

Specifically, the universal bus control unit sends a receiver contrast 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 with the two receivers, and generates third test driving information after 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 contrast test command, namely the universal bus control unit carries out excitation and configuration of the same 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 two receivers, so that the two receivers CAN simultaneously input excitation, and the method specifically comprises the following steps:

The universal bus control unit sends control commands to the IO output board card 1 and the IO output board card 2, and performs condition input 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 electric conditions, and the two receivers are powered by the power supply and the working conditions; the general bus control unit transmits a control command to the CAN communication board card 1 to generate a CAN signal, and the 1 st receiver transmits CAN communication data; the general bus control unit transmits a control command to the CAN communication board card 2 to generate a CAN signal, and the 2 nd receiver transmits CAN communication data; the universal bus control unit transmits a control command to the signal generator board card 1 to generate a frequency shift signal, and after the signal is amplified by the power amplifier 1, the frequency shift signal of the 1 st receiver is excited to generate; the universal bus control unit transmits a control command to the signal generator board card 2 to generate a frequency shift signal, and after the signal is amplified by the power amplifier 2, the frequency shift signal of the 2 nd receiver is excited to generate.

The third test driving information is sent to two corresponding receivers in the receiver unit through the interface adapting unit, the corresponding receivers feed test results back to the second test resource group through the interface adapting unit, and 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 the CAN communication test data is collected and compared at the same time; the voltage analog quantity signals of the 1 st receiver 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 receiver are collected and transmitted to the voltage analog quantity collection board card 2 in a multimeter mode, and meanwhile analog quantity test data are collected and compared.

The receiver unit traversal test comprises the following steps:

The universal bus control unit is tested by the second test resource group control device running 1 receiver in the carrier through control commands, 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 until the 10 th receiver can be sequentially carried out, and thus the traversal test of the 10 th receiver is realized.

The branching collector unit traversal test comprises the following steps:

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

Specifically, the general bus control unit sends the test command of the branch collector 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 branch collector, and after receiving the test command of the branch 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 connected with the branch collector generate fifth test driving information, namely the general bus control unit carries out excitation and configuration of 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 branch collector, so that the input excitation of the branch collector is realized, and the general bus control unit specifically comprises the following steps:

the universal bus control unit issues control commands to the IO output board card 1 and the IO output board card 2, and performs condition input on the test terminals of the line splitting 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 electric conditions, and the line collector is powered by the power supply and the working conditions; the universal bus control unit transmits a control command to the CAN communication board card 1 to generate CAN signals, and the split line collector performs CAN communication data interaction; the universal bus control unit transmits a control command to the signal generator board card to generate a frequency shift signal, and after the signal is amplified by the power amplifier, the frequency shift signal of the split collector is excited. After the test of the 1 st branch collector is finished, the branch collectors are switched through the IO output board card control terminal, the test of the 2 nd branch collector is started, and the test is sequentially performed, so that the traversal test of the 6 branch collectors is realized.

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

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

As shown in fig. 26, the universal bus control unit receives an executable test command with parameters generated by a test case and sent by an upper computer through a TCP communication mode, analyzes the executable test command to obtain a control command for traversing the test of the communication interface boards, and then tests each communication interface board in the equipment operation carrier through a fourth test resource group by the universal bus control unit through the control command, and when one communication interface board is tested, the rest communication interface boards are in a default working condition and are powered by an independent power supply.

Specifically, the universal bus control unit sends a communication interface board test command to the IO output board card and the CAN communication board card in the fourth test resource group connected with the communication interface board, and after the IO output board card and the CAN communication board card in the fourth test resource group receive the communication interface board test command, sixth test driving information is generated, that is, the universal bus control unit performs excitation and configuration of input conditions to the IO output board card and the CAN communication board card in the third test resource group connected with the communication interface board, so that the input excitation of the communication interface board is realized, and 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 performs condition input on the communication interface board test terminals; the universal bus control unit transmits control commands to the programmable power supply 1 (namely a first power supply) and the programmable power supply 2 (namely a second power supply) to generate electric conditions, and the communication interface board is powered by the power supply and the working conditions; the universal bus control unit transmits a control command to the CAN communication board card 1 to generate a CAND/CANE signal, and transmits the control command to the CAN communication board card 2 to generate a CANA/CANB signal, so as to interact CAN communication data with the communication interface board. After the test of the 1 st communication interface board is finished, the communication interface board is switched through the IO output board card control terminal, the test of the 2 nd communication interface board can be started, and the test is sequentially carried out, so that the traversal test of the 2 communication interface boards 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, the corresponding communication interface board feeds back the test result to the fourth test resource group through the interface adapting unit, and the test result of the communication interface board is collected: if the CAND/CANE communication output data of the communication interface board is transmitted to the CAN communication board 1, the CANA/CANB communication output data of the communication interface board is transmitted to the CAN communication board 2, the CAN communication test data is collected, the CANC communication output data of the communication interface board is transmitted to the CAN communication board 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 and analyzes the executable test command to obtain the control command, and the general host control component performs performance test on various track circuit products in the equipment operation carrier through the control command, so that compatibility of the test of different types of track circuit products is realized.

The test method can support large-scale test, control commands can be received in real time or step by step based on a platform network architecture, traversal tests of a plurality of transmitters, a plurality of receivers, a plurality of communication interface boards and a plurality of branching collectors are controlled through IO output, and a plurality of (for example, two) same track circuit devices (for example, two transmitters or two receivers) can be simultaneously compared and tested at the same time to perform comparison and evaluation on functions, performances and safety angles.

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

The test case design mainly realizes the generation and the issuing of test commands and mainly comprises the functions of base case library design, test command generation, compiling, issuing and the like.

As shown in fig. 27, the design method of the test case specifically includes the following steps:

s1, designing a base case library according to test requirements.

In particular, the method comprises the steps of,

the test requirements are summarized and organized, technical requirements in the requirement specification are classified, and the test requirements with the same operation process are selected to be summarized and refined into a functional characteristic;

the method comprises the steps of describing functional characteristics suitable for different level combination conditions into a unified basic test case, and carrying out standardized description on each basic test case to obtain a basic case library.

S2, forming a test case library based on the base case library.

In particular, the method comprises the steps of,

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

putting together the test items with the same test function 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 flow;

the test case design includes: test case number, device under test characteristics, test type, test purpose and test step; the test step includes test case condition category number, interface parameters, delay time, expected outcome.

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 parameter configuration.

Specifically, according to the test cases, the frame header in the test cases is converted into executable commands: beginning with < start, end frame/; the frame body is converted into an executable command: starting with < states >, ending with </states >, the frame header and the frame body form a frame complete test command. Wherein, each test action in the frame body starts with < state > and ends with/>, step (step 1-100000) is added in the middle according to the sequence of steps, condition1 (input condition number), content (parameter), delay (delay 0-30000 ms).

For example: the complete test command is:

<state step＝"11"condition1＝"FS_11.1"content＝"open"delay＝"1000"/><state step＝"12"condition1＝"FS_13.1"content＝"1700"delay＝"2000"/></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 performance test of the track circuit product according to the executable test command.

In particular, the method comprises the steps of,

the executable test command comprises serial numbers, parameters and 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 hexadecimal display, the sequence is in a big-end MSB mode, the frame text is a UTF-8 character string, and the data format adopts XML markup language.

The data frame format in which test commands may be executed is shown in table 1 below:

table 1:

as can be seen from the above table, the data frame structure of the executable 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, specifically, the case number issued to the universal bus control component through the upper computer, and the number is automatically increased by 1 and a default value of 00 when the test case is issued each time.

The text length is as follows: total length of the data frame, which ranges from case number to frame body, units: bytes.

The frame types correspond to different track circuit products; for example, the transmitter is 0X01, the receiver is 0X02, the branching collector is 0X03, and the track circuit communication interface board is 0X04.

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

The base case library comprises a transmitter base case library, a receiver base case library, a branching collector base case library and a communication interface board base case library according to the tested track circuit product, as shown in fig. 28.

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

The first input type basic test case sets the type 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 includes different first input base test case items according to the category of the first input condition.

The categories of the first input conditions include: carrier frequency condition, carrier frequency selection, CAN communication address, level, CAN communication coding data, working voltage, transmitter power amplifier output signal load resistance, and transmitting alarm relay load resistance.

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

The first output base test case sets a class of items of the first output expected result according to the functional characteristics of the transmitter, and the class of items of the first output expected result contains different first output base test case items.

The first output expected result item 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 intra-cabinet bus CAND communication, a data frame of the intra-cabinet bus CANE communication.

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

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

Setting the type of the second input condition and the execution step, parameter and execution time of the second input condition according to the functional characteristics of the receiver by the second input type basic test case; and including different second input base test case items according to the category of the second input condition.

The categories of the second input conditions include: main track carrier frequency condition, main track carrier frequency selection, small track carrier frequency selection, CAN communication address, CAN communication coding data, working voltage, track load and input signal.

The second input basic test case item includes a basic test case name, a base terminal name, a test type, a number, a basic test case description, and interface parameters.

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

The second item class of output expected results includes the output signal of the master rail relay, the output signal of the parallel rail relay, the output voltage of the receiver fault alarm condition, the data frame of the intra-cabinet bus CAND communication, the data frame of the intra-cabinet bus CANE communication.

The output-type basic test case comprises: basic test case name, base terminal name, test type, number, basic test case description, expected results.

The branch collector base case library includes a third input base test case and a third output base test case.

Setting the type of the third input condition, the execution step, the parameter and the execution time of the third input condition according to the functional characteristics of the branching collector by the third input type basic test case; and includes different third input base test case items according to the category of the third input condition.

The third input condition includes a CAN communication address, CAN communication coded data, an operating voltage and an input signal.

The third input basic test case item includes a basic test case item name, a base terminal name, a test type, a number, a basic test case item description, and interface parameters.

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

The third class of terms outputting the expected result includes forward/reverse receiver CAN communication data frames.

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

The communication interface board base case library includes a fourth input base test case and a fourth output base test case.

Setting the type of the fourth input condition, the execution step, the parameter and the execution time of the fourth input condition according to the functional characteristics of the communication interface board by the fourth input type basic test case; and includes a different fourth input base test case item according to the category of the fourth input condition.

The fourth input condition includes: CAN communication address, CAN communication coded data, operating voltage, board card type.

The fourth input basic test case item includes a basic test case item name, a base terminal name, a test type, a number, a basic test case item description, and interface parameters.

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

The fourth item class outputting the expected result includes a CANA data frame, a CANB data frame, a CANC data frame, a CAND data frame, a CANE data frame.

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

The test cases include 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 products.

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

Conventional test cases:

the conventional working conditions of a transmitter, a receiver, a communication interface board and a branching collector are provided through output driving control, load output control, communication data transmission and conditional excitation of frequency shift signal generation, and conventional item testing for product hardware is carried out.

Fault injection test case:

the signal generator is controlled to generate customized waveforms in real-time data flow, and the demodulation accuracy under specific frequency interference of 25Hz, 50Hz, higher harmonics and the like is verified by combining the injection signal inlet of the power amplifier.

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

The 'fail-safe' function of the receiver is verified by controlling the IO board card and the power input fault operating level conditions.

Boundary test case:

the operating state of the track circuit product at different voltage outputs is verified by controlling the adjustable power supply output voltage, such as applying power supply operating boundary conditions, operating condition terminal voltage boundary conditions.

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

And (3) outputting frequency-shift signal frequency near the boundary value by controlling the signal generator, and verifying demodulation capability of the track circuit product at the boundary frequency-shift frequency.

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

The first conventional test case comprises a CAN communication code combination test, a CAN address code 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 interrupt 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 includes an FBJ loadability 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 sucking and falling delay test and a track relay sucking and falling 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 carrying capacity test, a JB carrying capacity test and a working voltage test.

The split collector test cases include a third regular 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 acquisition error test and inter-section mutual interference test of the noise signal of the acquisition channels (such as acquisition channels 1-6);

the third boundary test case includes an operating voltage test.

The communication interface board test cases include a fourth normal test case, a fourth fault injection test case, and a fourth boundary test case.

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

the fourth fault injection test case comprises a forwarding code 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 an operating voltage test.

The design method for the performance test cases of the track circuit products comprises the steps of designing a base case library according to test requirements, forming a test case library based on the base case library, setting a test case analysis module, generating executable test commands with parameters by combining parameter configuration with test cases in the test case library, wherein the executable test commands can be issued to a test management platform through an upper computer, and the test management platform realizes performance test of the track circuit products according to the executable test commands.

According to the running environment in the practical working environment of the track circuit, the case design method can be used for carrying out test case design under the full application scene, so that complete application scene test cases can be simulated and completed under the limited test time and test environment, the hardware interfaces are carded according to the hardware test requirements in the product files, the possible phenomena of the hardware interfaces in the practical application scene are analyzed, and the conventional test cases, the boundary test cases and the fault injection test cases are generalized, so that the test case design covering all hardware function tests can be carried out. And the combined excitation of different working conditions of the track circuit product, including forward excitation and reverse excitation, is realized through the universal host control component, and the 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 base case library according to test requirements, setting a tested track circuit product according to the tested track circuit product, wherein the base case library comprises a transmitter base case library, a receiver base case library, a branch acquisition unit base case library and a communication interface board base case library, forming test cases in the test case library based on the base case library, and testing the tested track circuit product according to the tested track circuit product, wherein the test cases comprise a transmitter test case, a receiver test case, a branch acquisition unit test case and a communication interface board test case, the transmitter test case, the receiver test case, the branch acquisition unit 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 the general host control part can completely and efficiently test the hardware functions of the track circuit device through the complete test cases based on requirements and a large number of fault injection test cases based on fault models and environmental conditions, so that the reliability test based on the hardware of the product is realized. And the fault injection test case and the boundary test case are designed according to the operation condition, the performance index and the fault mode of the tested track circuit product, and the relevant condition parameters in 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.

The present embodiment further provides a design system of the test cases, corresponding to the design method of the test cases, where the test case design system specifically includes a base case library construction unit, a test case library construction unit, and a test command generation unit;

the basic case library construction unit is used for designing a basic case library according to the test requirements;

the test case library construction unit is used for forming a test case library based on the base case library;

and the test command generating unit is used for setting a test case analysis module, combining parameter configuration and generating an executable test command with parameters from the test cases in the test case library.

The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, one skilled in the art may make modifications and equivalents to the specific embodiments of the present invention, and any modifications and equivalents not departing from the spirit and scope of the present invention are within the scope of the claims of the present invention.

Claims

1. A method for compatibility performance testing, the method being for use with an orbital circuit product, comprising the steps of:

the general host control part tests the performance of various track circuit products in the equipment operation carrier through control commands;

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

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

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

2. The compatibility testing method of claim 1, wherein the generic host control component receives an executable test command, parses the executable test command to obtain a control command, and performs performance testing on a plurality of track circuit products within the device operational carrier by the generic host control component via the control command, comprising the steps of:

3. The method of claim 1, further comprising powering the device operation carrier, the interface adapter unit, and the device operation carrier operating conditions with a power module.

4. The compatibility testing method of claim 3, further comprising connecting a simulated analog load in parallel to the transmitter test terminals S1, S2;

5. A compatibility testing system comprising a universal 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;

A control command is sent to the equipment operation carrier, and performance tests are carried out on various track circuit products in the equipment operation carrier through the control command;

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

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 fourth test resource group;

the universal bus control unit is used for receiving executable test commands, analyzing the executable test commands to obtain control commands containing the communication interface board unit traversing test, and sending the control commands containing the communication interface board unit traversing test to the fourth test resource group;

the fourth test resource group is used for switching control terminals of different communication interface boards in the communication interface board unit according to a control command containing a traversal test of the communication interface board unit, generating sixth test driving information for the corresponding communication interface board, and sending the sixth test driving information to the interface adaptation unit, wherein the sixth test driving information comprises an electrical condition generation signal, a condition input signal and a CAN signal;

The interface adapting unit is used for receiving the sixth test driving information and forwarding the sixth test driving information to the corresponding communication interface board, and receiving the test result of the corresponding communication interface board and feeding back the test result to the fourth test resource group;

the fourth test resource group is also used for collecting and analyzing the test result fed back by the corresponding communication interface board.

6. The compatibility testing system of claim 5, further comprising a power module for powering the device runtime carrier, the interface adapter unit, and the device runtime carrier operating conditions.