CN106487456A - Communication test device, system and method - Google Patents
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Abstract
The present invention provides a kind of communication test device, system and method, and this communication test device includes：Input/output interface, is electrically connected with least one Devices to test and processor；Watch-dog, is electrically connected with processor, generates test data and first response data corresponding with test data, and test data is sent to processor；Test data is sent at least one Devices to test by input/output interface by processor；Processor is additionally operable to receive the device identification of at least one Devices to test transmission and the second corresponding response data respectively, and sends each device identification and its corresponding second response data to watch-dog；Watch-dog, whether consistent for contrasting the first response data second response data corresponding with each device identification, if there is at least one second response data and the first response data being inconsistent, then obtain the second response data corresponding faulty equipment mark with the first non_uniform response, and generate the first alarm signal carrying faulty equipment mark.
Description
Technical Field
The invention relates to the technical field of train communication, in particular to a communication testing device, a system and a method.
Background
The existing electric locomotives mainly adopt a Train Communication Network (TCN) system to realize Network control of the electric locomotives. Wherein, the TCN system includes: the system comprises a train bus, a vehicle bus, a master control device of the train and a device inside the vehicle, wherein the train bus is connected with different vehicles or multiple units of the motor train unit, the vehicle bus is connected with devices inside the vehicle (such as doors, power devices and the like), and the device inside the vehicle is connected with the master control device of the train.
In order to ensure the normal use of each train, the master control device and the devices inside the train need to ensure that the master control device and the devices inside the train can correctly receive and transmit data with each other. Therefore, before the train is used, it is tested whether the master control device and the devices inside the train can correctly transmit and receive data to and from each other. At present, all tests are directly carried out on a train, however, in the prior art, the main control equipment needs to test the equipment inside the train one by one, a large amount of manpower and material resources can be wasted, and the test cost is higher.
Disclosure of Invention
The invention provides a communication testing device, a system and a method, which save a large amount of manpower and material resources and reduce the testing cost.
The invention provides a communication test device, comprising: the system comprises a processor, a monitor and an input/output interface;
the input/output interface is electrically connected with at least one device to be tested and the processor;
the monitor is electrically connected with the processor and used for generating test data and first response data corresponding to the test data and sending the test data to the processor;
the processor is used for sending the test data to the at least one device to be tested through the input/output interface;
the processor is further configured to receive an equipment identifier and second response data corresponding to the equipment identifier sent by at least one device to be tested, and send each equipment identifier and the second response data corresponding to the equipment identifier to the monitor;
the monitor is configured to compare whether the first response data is consistent with second response data corresponding to each device identifier, and if at least one second response data is inconsistent with the first response data, obtain a faulty device identifier corresponding to the second response data inconsistent with the first response data, and generate a first alarm signal carrying the faulty device identifier.
In an embodiment of the present invention, the monitor is further configured to generate a second alarm signal carrying an equipment identifier that does not return second response data when detecting that the processor does not receive an equipment identifier of second response data returned by the equipment to be detected within a first preset time.
In an embodiment of the present invention, the monitor is further configured to generate a heartbeat detection signal, and send the heartbeat detection signal to the processor;
the processor is further configured to send the heartbeat detection signal to the at least one device under test through the input/output interface;
the monitor is further configured to monitor whether the processor receives an equipment identifier and a corresponding heartbeat response signal, which are returned by the equipment to be tested, within a second preset time, so as to determine whether the at least one equipment to be tested is online.
In an embodiment of the present invention, the input/output interface includes: the digital quantity input interface, the digital quantity output interface, the analog quantity input interface and the analog quantity output interface;
the digital input interface, the digital output interface, the analog input interface and the analog output interface are all connected with the processor.
In an embodiment of the invention, the processor includes: a power supply unit and a gateway unit; wherein,
the power supply unit is used for supplying power to the gateway unit;
the gateway unit is respectively electrically connected with the monitor, the digital quantity input interface, the digital quantity output interface, the analog quantity input interface and the analog quantity output interface and is used for converting the test data and/or the second response data.
The present invention also provides a communication test system, comprising: the device to be tested is connected with the input and output interface.
In an embodiment of the present invention, the device under test includes: the analog quantity input end, the analog quantity output end, the digital quantity input end and the digital quantity output end;
the analog input end is connected with the analog output interface, the analog output end is connected with the analog input interface, the digital input end is connected with the digital output interface, and the digital output end is connected with the digital input interface.
The invention also provides a communication test method, which is applied to a communication test system and comprises the following steps:
generating test data and first response data corresponding to the test data;
sending the test data to the at least one device to be tested;
respectively receiving an equipment identifier sent by at least one equipment to be tested and second response data corresponding to the equipment identifier;
and comparing whether the first response data is consistent with second response data corresponding to each equipment identifier, if at least one second response data is inconsistent with the first response data, acquiring a fault equipment identifier corresponding to the second response data inconsistent with the first response data, and generating a first alarm signal carrying the fault equipment identifier.
The invention provides a communication test device, a system and a method, comprising the following steps: the system comprises a processor, a monitor and an input/output interface; the monitor generates test data and first response data corresponding to the test data and sends the test data to the processor; the processor sends the test data to the at least one device to be tested through the input/output interface; the processor also respectively receives an equipment identifier sent by at least one equipment to be tested and second response data corresponding to the equipment identifier, and sends each equipment identifier and the second response data corresponding to the equipment identifier to the monitor; the monitor compares whether the first response data is consistent with second response data corresponding to each equipment identifier, if at least one second response data is inconsistent with the first response data, a fault equipment identifier corresponding to the second response data inconsistent with the first response data is obtained, and a first alarm signal carrying the fault equipment identifier is generated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first communication testing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an input/output interface in the communication test apparatus according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a communication test system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a device under test according to an embodiment of the present invention;
fig. 5 is a flowchart of a communication testing method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a first communication testing apparatus according to an embodiment of the present invention; as shown in fig. 1, the communication test apparatus provided in this embodiment includes: monitor 100, processor 200, and input-output interface 300.
In this embodiment, the input/output interface 300 is electrically connected to at least one device under test and the processor 200; a monitor 100 electrically connected to the processor 200, for generating test data and first response data corresponding to the test data, and transmitting the test data to the processor 200; a processor 200, configured to send test data to at least one device under test through the input/output interface 300; the processor 200 is further configured to receive a device identifier and second response data corresponding to the device identifier sent by at least one device under test, and send each device identifier and the second response data corresponding to the device identifier to the monitor 100; and the monitor 100 is configured to compare whether the first response data is consistent with second response data corresponding to each device identifier, and if at least one second response data is inconsistent with the first response data, obtain a faulty device identifier corresponding to the second response data inconsistent with the first response data, and generate a first alarm signal carrying the faulty device identifier.
Specifically, the processor 200 may be an editable logic controller, and the monitor 100 may be a computer or an Ipad. In addition, the monitor 100 and the processor 200 are connected through a connection line satisfying the CANOpen protocol. In addition, the first alarm signal indicates that the device to be detected fails, and the first alarm signal may be in the form of an indicator light or a buzzer alarm, which is not limited in the present invention.
The embodiment provides a communication testing device which comprises a processor, a monitor and an input/output interface; the monitor generates test data and first response data corresponding to the test data and sends the test data to the processor; the processor sends the test data to at least one device to be tested through the input and output interface; the processor also respectively receives the equipment identification sent by at least one piece of equipment to be tested and second response data corresponding to the equipment identification, and sends each equipment identification and the second response data corresponding to the equipment identification to the monitor; the monitor compares whether the first response data is consistent with second response data corresponding to each equipment identifier, if at least one second response data is inconsistent with the first response data, the fault equipment identifier corresponding to the second response data inconsistent with the first response data is obtained, and a first alarm signal carrying the fault equipment identifier is generated.
Further, on the basis of the technical solution of the first embodiment, in the communication testing apparatus provided in the second embodiment, the monitor is further configured to generate a second alarm signal carrying an equipment identifier that does not return the second response data when detecting that the processor does not receive the equipment identifier of the second response data returned by the equipment to be tested within the first preset time.
In addition, in the communication testing apparatus provided in the second embodiment, the monitor is further configured to generate a heartbeat detection signal, and send the heartbeat detection signal to the processor; the processor is also used for sending the heartbeat detection signal to at least one device to be detected through the input and output interface; the monitor is further configured to monitor whether the processor receives the device identifier and the corresponding heartbeat response signal returned by the device to be tested within a second preset time, so as to determine whether at least one device to be tested is online.
In particular, the heartbeat detection signal may refer to a series of randomly generated numbers.
Specifically, in this embodiment, it is detected by the monitor that the processor does not receive the device identifier returned by the device to be tested, or the monitor generates a heartbeat detection signal, and it is determined whether the device to be tested is online by detecting whether the processor can receive the device identifier returned by the device to be tested and a corresponding heartbeat signal, and it is determined whether the connection wire between the device to be tested and the processor is normal.
Further, on the basis of the technical solution of the first embodiment, fig. 2 is a schematic structural diagram of an input/output interface in the communication test apparatus provided in the fourth embodiment of the present invention, and as shown in fig. 2, an input/output interface 300 in the communication test apparatus provided in the fourth embodiment includes: a digital quantity input interface 301, a digital quantity output interface 302, an analog quantity input interface 303 and an analog quantity output interface 304.
In the present embodiment, the digital input interface 301, the digital output interface 302, the analog input interface 303 and the analog output interface 304 are all connected to the processor 200.
Specifically, a digital input interface 301, a digital output interface 302, an analog input interface 303, and an analog output interface 304 are connected to the backplane.
Further, on the basis of the technical solution of the fourth embodiment, the processor in the communication test apparatus provided in the fifth embodiment includes: a power supply unit and a gateway unit; the power supply unit is used for supplying power to the gateway unit; and the gateway unit is respectively electrically connected with the monitor, the digital quantity input interface, the digital quantity output interface, the analog quantity input interface and the analog quantity output interface and is used for converting the test data and/or the second response data.
Fig. 3 is a schematic structural diagram of a communication test system according to an embodiment of the present invention, and as shown in fig. 3, the communication test system according to the embodiment includes: the communication test apparatus 400 and at least one device under test 500, specifically, the device under test 500 is connected to an input/output interface (not shown).
The communication testing apparatus in fig. 1 used in the communication testing apparatus in this embodiment is similar in implementation principle and implementation effect, and is not described here again.
The number of devices to be tested in this embodiment is not specifically limited. Fig. 4 illustrates two devices under test as an example.
It should be noted that, before the communication test system provided in this embodiment starts testing the communication function of each device under test, all devices need to be connected to form a network through a terminal resistor, and an indicator light of each device needs to be observed to ensure that all devices can work normally, and then the communication function of each device needs to be tested.
Specifically, the specific working principle of the communication test system is as follows: the input/output interface is electrically connected with at least one device to be tested and the processor; the monitor generates a heartbeat detection signal and sends the heartbeat detection signal to the processor; the processor is also used for sending the heartbeat detection signal to at least one device to be detected through the input and output interface; the monitor is further used for monitoring whether the processor receives the device identifier returned by the device to be tested and the corresponding heartbeat response signal within a second preset time so as to judge whether at least one device to be tested is online, if only part of the device to be tested is online, the other part of the device to be tested is not online, the following operations are all performed on the devices to be tested online, and the monitor generates test data and first response data corresponding to the test data and sends the test data to the processor; the processor sends the test data to at least one device to be tested through the input and output interface; the processor also respectively receives the equipment identification sent by at least one piece of equipment to be tested and second response data corresponding to the equipment identification, and sends each equipment identification and the second response data corresponding to the equipment identification to the monitor; and the monitor is used for comparing whether the first response data is consistent with the second response data corresponding to each equipment identifier, if at least one second response data is inconsistent with the first response data, acquiring a fault equipment identifier corresponding to the second response data inconsistent with the first response data, and generating a first alarm signal carrying the fault equipment identifier.
Further, on the basis of the technical solution of the foregoing embodiment, fig. 4 is a schematic structural diagram of a device under test according to an embodiment of the present invention, and as shown in fig. 4, a device under test 500 in a communication test apparatus according to this embodiment includes: an analog input terminal 501, an analog output terminal 502, a digital input terminal 503 and a digital output terminal 504.
In this embodiment, the analog input terminal 501 is connected to the analog output interface 304, the analog output terminal 502 is connected to the analog input interface 303, the digital input terminal 503 is connected to the digital output interface 302, and the digital output terminal 504 is connected to the digital input interface 301.
Alternatively, in this embodiment, according to the different types of devices to be tested and the analog quantity and the digital quantity of the signals that need to be transmitted for verification, in actual measurement, a plurality of digital quantity input interfaces 301, digital quantity output interfaces 302, analog quantity input interfaces 303 and analog quantity output interfaces 304 may be needed. Fig. 4 is an example of a digital input interface, a digital output interface, an analog input interface and an analog output interface. Specifically, the digital input interface 301 transmits information such as lighting control, door state, high-voltage box selection switch state, and the like; the digital output interface 302 transmits the start and stop control of the air conditioner, the opening of the door of the passenger room and the like; the analog input interface 303 transmits information such as a level signal of a handle of a driver console, air cylinder pressure, storage battery voltage and the like; the analog quantity output interface 304 transmits information such as train mileage, brake cylinder pressure and the like.
Fig. 5 is a flowchart of a communication testing method according to an embodiment of the present invention, and as shown in fig. 5, the communication testing method according to the embodiment specifically includes the following steps:
step S501, generating test data and first response data corresponding to the test data.
Step S502, sending the test data to at least one device to be tested.
Step S503, receiving the device identifier sent by at least one device under test and the second response data corresponding thereto, respectively.
Step S504, comparing whether the first response data is consistent with second response data corresponding to each equipment identifier, if at least one second response data is inconsistent with the first response data, obtaining a fault equipment identifier corresponding to the second response data inconsistent with the first response data, and generating a first alarm signal carrying the fault equipment identifier.
The communication test method in this embodiment is applied to the communication test system in fig. 4, and the implementation principle and the implementation effect are similar, which are not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A communication test apparatus, comprising: the system comprises a processor, a monitor and an input/output interface;
the input/output interface is electrically connected with at least one device to be tested and the processor;
the monitor is electrically connected with the processor and used for generating test data and first response data corresponding to the test data and sending the test data to the processor;
the processor is used for sending the test data to the at least one device to be tested through the input/output interface;
the processor is further configured to receive an equipment identifier and second response data corresponding to the equipment identifier sent by at least one device to be tested, and send each equipment identifier and the second response data corresponding to the equipment identifier to the monitor;
the monitor is configured to compare whether the first response data is consistent with second response data corresponding to each device identifier, and if at least one second response data is inconsistent with the first response data, obtain a faulty device identifier corresponding to the second response data inconsistent with the first response data, and generate a first alarm signal carrying the faulty device identifier.
2. The apparatus according to claim 1, wherein the monitor is further configured to generate a second alarm signal carrying the device identifier without returning the second response data when detecting that the processor does not receive the device identifier of the second response data returned by the device to be tested within a first preset time.
3. The apparatus of claim 1, wherein the monitor is further configured to generate a heartbeat detection signal and send the heartbeat detection signal to the processor;
the processor is further configured to send the heartbeat detection signal to the at least one device under test through the input/output interface;
the monitor is further configured to monitor whether the processor receives an equipment identifier and a corresponding heartbeat response signal, which are returned by the equipment to be tested, within a second preset time, so as to determine whether the at least one equipment to be tested is online.
4. The apparatus of claim 1, wherein the input-output interface comprises: the digital quantity input interface, the digital quantity output interface, the analog quantity input interface and the analog quantity output interface;
the digital input interface, the digital output interface, the analog input interface and the analog output interface are all connected with the processor.
5. The apparatus of claim 4, wherein the processor comprises: a power supply unit and a gateway unit; wherein,
the power supply unit is used for supplying power to the gateway unit;
the gateway unit is respectively electrically connected with the monitor, the digital quantity input interface, the digital quantity output interface, the analog quantity input interface and the analog quantity output interface and is used for converting the test data and/or the second response data.
6. A communication test system, comprising: the communication test apparatus of any of claims 1-5 and at least one device under test, the device under test being connected to the input output interface.
7. The system of claim 6, wherein the device under test comprises: the analog quantity input end, the analog quantity output end, the digital quantity input end and the digital quantity output end;
the analog input end is connected with the analog output interface, the analog output end is connected with the analog input interface, the digital input end is connected with the digital output interface, and the digital output end is connected with the digital input interface.
8. A communication test method applied to the communication test system according to claim 6 or 7, comprising:
generating test data and first response data corresponding to the test data;
sending the test data to the at least one device to be tested;
respectively receiving an equipment identifier sent by at least one equipment to be tested and second response data corresponding to the equipment identifier;
and comparing whether the first response data is consistent with second response data corresponding to each equipment identifier, if at least one second response data is inconsistent with the first response data, acquiring a fault equipment identifier corresponding to the second response data inconsistent with the first response data, and generating a first alarm signal carrying the fault equipment identifier.
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| CN201510548890.4A CN106487456A (en) | 2015-08-31 | 2015-08-31 | Communication test device, system and method |
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| CN201510548890.4A CN106487456A (en) | 2015-08-31 | 2015-08-31 | Communication test device, system and method |
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| CN112567691A (en) * | 2018-08-27 | 2021-03-26 | 三菱电机株式会社 | Communication device, reception device, and monitoring system |
| CN112689250A (en) * | 2020-12-23 | 2021-04-20 | 浙江东冠通信技术股份有限公司 | Device and method for testing fusion 5G signaling |
| CN115134210A (en) * | 2022-05-30 | 2022-09-30 | 国网河北省电力有限公司沧州供电分公司 | Electric power communication defect fault processing and analyzing method |
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Application publication date: 20170308 |