CN117692363A - Testing system for flexible straight valve control communication redundancy control - Google Patents
Testing system for flexible straight valve control communication redundancy control Download PDFInfo
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- CN117692363A CN117692363A CN202311385776.5A CN202311385776A CN117692363A CN 117692363 A CN117692363 A CN 117692363A CN 202311385776 A CN202311385776 A CN 202311385776A CN 117692363 A CN117692363 A CN 117692363A
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- 238000004891 communication Methods 0.000 title claims abstract description 183
- 238000012360 testing method Methods 0.000 title claims abstract description 181
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims description 10
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Abstract
The invention relates to a testing system for flexible and straight valve control communication redundancy control, and belongs to the technical field of flexible and straight valve control. The test system comprises a control function test unit, a test control center and a human-computer interface. The test control center is used for generating test cases, sending the test cases to the control function test unit, and receiving feedback results of the control function test unit, and the feedback results are used as the basis for evaluating the flexible direct valve control redundancy communication control function. The control function test unit is used for controlling the communication link state of the governed communication level according to the received test case, monitoring the valve control state based on the control result and sending the monitored result to the test control center. The human-computer interface is used for a tester to select test cases. Compared with the prior art, the method solves the problem that the soft straight valve control testing system is insufficient in processing capacity when meeting the increasingly complex valve control redundant communication testing requirements.
Description
Technical Field
The invention relates to a testing system for flexible and straight valve control communication redundancy control, and belongs to the technical field of flexible and straight valve control.
Background
In recent years, the duty ratio of high-voltage flexible direct current transmission engineering in the field of power transmission is increased year by year, and flexible direct current transmission has become an important component of a power grid framework in China.
The flexible direct-current converter valve and the valve control equipment are core equipment of the high-voltage flexible direct-current transmission converter station. Along with the continuous increase of flexible and straight engineering, the reliability requirements of the converter station on flexible and straight valve control equipment are also continuously improved, and the tests on the usability, the instantaneity, the control precision, the system switching frequency and the like of the flexible and straight valve control equipment are also more and more strict. Therefore, the existing flexible direct-current valve control system generally adopts a communication redundancy mode, namely two paths of redundant channels are adopted among all communication nodes needing to be communicated in the duty system, so that the operation reliability of the valve control equipment is ensured.
With the continuous increase of the communication redundancy degree among all control levels of the flexible and straight valve control, the communication control strategy of the valve control equipment is more and more complex, and the traditional flexible and straight valve control test mode is difficult to meet the flexible and changeable communication control modes of the traditional flexible and straight valve control.
Disclosure of Invention
The invention aims to provide a testing system for flexible and straight valve control communication redundancy control, which is used for solving the problem that the processing capacity of the flexible and straight valve control testing system in the prior art is insufficient when the flexible and straight valve control testing system meets the increasingly complex valve control redundancy communication testing requirement.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the invention provides a testing system for flexible direct valve control communication redundancy control, which comprises a control function testing unit and a testing control center, wherein the testing unit is used for testing the control function of the flexible direct valve control communication redundancy control; the test control center is used for generating test cases and sending the test cases to the control function test unit, and receiving feedback results of the control function test unit as a basis for evaluating the flexible direct valve control redundancy communication control function; the control function test unit is used for controlling the communication link state of the governed communication level according to the received test case, monitoring the valve control state based on the control result and sending the monitored result to the test control center; the communication links of the communication hierarchy governed by the control function test unit include a primary communication link and a secondary communication link.
The test system for the flexible direct valve control communication redundancy control comprises a control function test unit and a test control center, wherein the test control center is used for generating test cases and sending the test cases to the control function test unit, and receiving feedback results of the control function test unit to serve as a basis for evaluating the flexible direct valve control redundancy communication control function. The control function test unit is used for controlling the communication link state of the governed communication level according to the received test case, monitoring the valve control state based on the control result and sending the monitored result to the test control center. The communication links of the communication hierarchy administered by the control function test unit include a primary communication link and a secondary communication link. Compared with the prior art, the method and the device can fully verify the redundant communication control strategy among all the layers in the flexible and straight valve control, and solve the problem of insufficient processing capacity of the flexible and straight valve control testing system when the flexible and straight valve control testing system meets the increasingly complex valve control redundant communication testing requirements.
Further, the control function test unit comprises a system communication test unit, a bridge arm communication test unit, an interface communication test unit and a module communication test unit; the communication level governed by the system communication test unit is a communication link between a valve control system control layer and a bridge arm control layer; the communication level governed by the bridge arm communication test unit is a communication link between the bridge arm control layer and the submodule interface layer a; the communication level governed by the interface communication test unit is a communication link between the sub-module interface layer a and the sub-module interface layer b; the communication level governed by the module communication test unit is a communication link between the sub-module interface layer b and the sub-module layer.
The control function test unit comprises a system communication test unit, a bridge arm communication test unit, an interface communication test unit and a module communication test unit, wherein the communication levels governed by the communication test units are different, and the communication test units are independent and do not affect each other.
Further, the test system also comprises an optical signal communication link monitoring device, wherein the optical signal communication link monitoring device is used for receiving the instruction of the test control center through an optical interface and controlling the channel states between the communication link input of the system communication test unit, the bridge arm communication test unit and the module communication test unit and the communication link output of the communication link according to the instruction.
Further, the test system also comprises a communication link monitoring plug-in unit, wherein the communication link monitoring plug-in unit is positioned between the valve control board card and the chassis backboard, and is used for receiving the instruction of the test control center by the plug-in terminal and controlling the channel state between the input of the communication link of the interface communication test unit and the output of the communication link according to the instruction.
Further, the test system also comprises a human-computer interface for a tester to select test cases.
The test system also comprises a human-computer interface used for a tester to select test cases, so that the tester can conveniently test.
Further, the control function test unit adopts a high-speed programmable electronic device.
The control function test unit adopts a high-speed programmable electronic device, and has small control delay and high stability.
Further, the control function unit employs gigabit per second signals to control the communication link state of the governed communication hierarchy.
The control functional unit of the invention adopts gigabit per second signals to control the state of the communication link of the governed communication level, and has fast control rate and fast communication state switching.
Drawings
FIG. 1 is a functional block diagram of a test system for flexible direct valve controlled communication redundancy control of the present invention;
FIG. 2 is a schematic diagram of an implementation of the optical signal communication link monitoring device of the present invention;
FIG. 3 is a schematic diagram of an implementation of a communication link monitoring plug-in between plug-ins within a flexible direct-current valve controlled chassis of the present invention;
FIG. 4 is a schematic diagram of the use of the communication link monitoring plug-in the flexible direct-current valve control chassis of the present invention;
FIG. 5 is a schematic view of a test case selection range according to the present invention.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
Embodiments of a test system for flexible direct valve controlled communication redundancy control:
the testing system for the flexible direct valve control communication redundancy control comprises a control function testing unit, a testing control center and a human-computer interface. The test control center is used for generating test cases, sending the test cases to the control function test unit, and receiving feedback results of the control function test unit, and the feedback results are used as the basis for evaluating the flexible direct valve control redundancy communication control function. The control function test unit is used for controlling the communication link state of the governed communication level according to the received test case, monitoring the valve control state based on the control result and sending the monitored result to the test control center. The communication links of the communication hierarchy administered by the control function test unit include a primary communication link and a secondary communication link. The human-computer interface is used for a tester to select test cases. Compared with the prior art, the method solves the problem that the soft straight valve control testing system is insufficient in processing capacity when meeting the increasingly complex valve control redundant communication testing requirements.
The functional structure block diagram of the testing system for flexible and straight valve control communication redundancy control is shown in fig. 1, and tested equipment (Device Under Test, DUT) in the embodiment is flexible and straight valve control system control equipment, and the flexible and straight valve control internal hierarchy is divided into a valve control system control layer, a bridge arm control layer, a sub-module interface layer a, a sub-module interface layer b and a sub-module layer. Redundant communication links, namely a primary communication link and a secondary communication link, exist between two adjacent valve control levels. The testing system for the flexible direct valve control communication redundancy control in the embodiment comprises a control function testing unit, a testing control center and a human-computer interface.
The control function test unit comprises a system communication test unit, a bridge arm communication test unit, an interface communication test unit and a module communication test unit. The communication level governed by the system communication test unit is a communication link between a valve control system control layer and a bridge arm control layer; the communication level governed by the bridge arm communication test unit is a communication link between the bridge arm control layer and the submodule interface layer a; the communication level governed by the interface communication test unit is a communication link between the sub-module interface layer a and the sub-module interface layer b; the communication level governed by the module communication test unit is a communication link between the sub-module interface layer b and the sub-module layer.
The system communication test unit, the bridge arm communication test unit, the interface communication test unit and the module communication test unit are used for controlling the communication link state of the administered communication level according to the received test case, monitoring the valve control state based on the control result and sending the monitored result to the test control center. The test control center is used for generating test cases, sending the test cases to the control function test unit, and receiving feedback results of the control function test unit, and the feedback results are used as the basis for evaluating the flexible direct valve control redundancy communication control function. The human-computer interface is used for a tester to select test cases.
The control functional unit adopts gigabit per second signals to control the state of the communication links of the managed communication levels, and the communication link control mode is irrelevant to a communication protocol and is used for testing communication links between the valve-controlled levels and inside the levels.
The implementation schematic diagram of the optical signal communication link monitoring device of the invention is shown in fig. 2, and the state control and monitoring of the optical signal communication link of the chassis are realized by the optical signal communication link monitoring device. The optical signal communication link monitoring equipment receives an instruction of the test control center through the optical interface and controls the channel states between the communication link input and the communication link output of the system communication test unit, the bridge arm communication test unit and the module communication test unit according to the instruction.
The state control and monitoring of the communication link between the boards inside the case are realized by the communication link monitoring plug-in, and the realization schematic diagram of the communication link monitoring plug-in between the plug-ins inside the flexible direct valve control case is shown in fig. 3. The use schematic diagram of the internal communication link monitoring plug-in of the flexible direct valve control chassis is shown in fig. 4, the internal communication link monitoring plug-in of the chassis is positioned between the valve control board card and the chassis backboard, receives an instruction of a test control center through a plug-in terminal, and controls the channel state between the input of the communication link of the interface communication test unit and the output of the communication link according to the instruction.
A schematic diagram of a selection range of a test case in the invention is shown in fig. 5, in which 1 indicates normal communication, 0 indicates abnormal communication, and the test case in this embodiment includes 256 test cases, for example, in test case 1, a main channel and an auxiliary channel of a system communication test unit, a main channel and an auxiliary channel of a bridge arm communication test unit, a main channel and an auxiliary channel of an interface communication test unit, and a main channel and an auxiliary channel of a module communication test unit are all 0, and cannot normally communicate. On the basis, the test system provided by the invention has the test path optimization function, and can automatically plan the optimal test path in the selected test case by taking the principle of minimum communication state change between adjacent test items, thereby improving the test efficiency.
Claims (7)
1. The testing system for the flexible direct valve control communication redundancy control is characterized by comprising a control function testing unit and a testing control center; the test control center is used for generating test cases and sending the test cases to the control function test unit, and receiving feedback results of the control function test unit as a basis for evaluating the flexible direct valve control redundancy communication control function; the control function test unit is used for controlling the communication link state of the governed communication level according to the received test case, monitoring the valve control state based on the control result and sending the monitored result to the test control center; the communication links of the communication hierarchy governed by the control function test unit include a primary communication link and a secondary communication link.
2. The system for testing redundancy control of flexible direct valve control according to claim 1, wherein the control function testing unit comprises a system communication testing unit, a bridge arm communication testing unit, an interface communication testing unit and a module communication testing unit; the communication level governed by the system communication test unit is a communication link between a valve control system control layer and a bridge arm control layer; the communication level governed by the bridge arm communication test unit is a communication link between the bridge arm control layer and the submodule interface layer a; the communication level governed by the interface communication test unit is a communication link between the sub-module interface layer a and the sub-module interface layer b; the communication level governed by the module communication test unit is a communication link between the sub-module interface layer b and the sub-module layer.
3. The system according to claim 1 or 2, further comprising an optical signal communication link monitor device for receiving the command from the test control center and controlling the state of the path between the system communication test unit, the bridge arm communication test unit, and the module communication test unit communication link input to the communication link output according to the command.
4. The system according to claim 1 or 2, further comprising a communication link monitoring plug-in located between the valve board and the chassis backplane for receiving instructions from the test control center and controlling the interface communication test unit communication link to input the channel state between the communication link outputs according to the instructions.
5. The system for testing redundancy control of a flexible direct valve control of claim 1, further comprising a human-machine interface for a tester to select test cases.
6. The system for testing redundancy control of flexible direct valve control communication of claim 1, wherein the control function test unit employs high-speed programmable electronics.
7. The system of claim 1, wherein the control function unit uses gigabit per second signals to control the communication link status of the governed communication hierarchy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311385776.5A CN117692363A (en) | 2023-10-24 | 2023-10-24 | Testing system for flexible straight valve control communication redundancy control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311385776.5A CN117692363A (en) | 2023-10-24 | 2023-10-24 | Testing system for flexible straight valve control communication redundancy control |
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| Publication Number | Publication Date |
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| CN117692363A true CN117692363A (en) | 2024-03-12 |
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| CN202311385776.5A Pending CN117692363A (en) | 2023-10-24 | 2023-10-24 | Testing system for flexible straight valve control communication redundancy control |
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| CN (1) | CN117692363A (en) |
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- 2023-10-24 CN CN202311385776.5A patent/CN117692363A/en active Pending
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