Integrated digital relay protection networking test system

Abstract

The utility model provides an integrated digital relay protection networking test system, which comprises a data processing module, an industrial personal computer and an optical fiber interface module, the output end of the DSP module is connected to the input end of the FPGA module, the input end of the DSP module is connected to the output end of the FPGA module, the FPGA module is connected to the optical port control panel through the PHYI interface module, and the output end of the optical port control panel is connected to the input end of the optical fiber interface module; the FPGA module is connected to the optical fiber interface module through the PHY II interface module; the FPGA module is connected to the industrial personal computer through a PHY III interface module; the input end of the main control module is connected to the output end of the storage module, the output end of the main control module is connected to the input end of the storage module, the main control module is further connected to the PHY III interface module through the integrated IO module, and the output end of the integrated IO module is connected to the input end of the optical port control panel.

Description

Technical Field

[0001] The utility model relates to the technical field of relay protection debugging, in particular to an integrated digital relay protection networking test system. Background Art

[0002] At present, my country is vigorously promoting clean energy. Whether it is industrial production or commercial livelihood, the demand for electric energy is increasing day by day. This demand is not only reflected in the power load, but also in the context of higher requirements for the stability, reliability, uninterruptedness of power supply and its surrounding services. Smart grid came into being.

[0003] As an important power hub in my country's smart grid construction, the intelligent substation's relay protection commissioning operation poses more challenges to professionals. How to improve the relay protection commissioning process of the smart substation and ensure the reliability of the relay protection commissioning results is the key to the safe and stable operation of the smart substation.

[0004] Because the information connection between each protection and control device and each intelligent device in the intelligent station relies on a virtual circuit, the relay protection debugging not only includes traditional relay protection test items, but also adds 61850 communication network related tests. The existing debugging methods currently require additional networking equipment to be carried out and network configuration to be performed on site when debugging multiple devices in a network, but the architecture is rough and the configuration is complex.

[0005] Therefore, in order to solve the above technical problems, it is urgent to propose a new technical means. Summary of the invention

[0006] In view of this, in order to avoid carrying additional networking equipment for networking configuration, a digital relay protection tester with networking debugging function is proposed.

[0007] The utility model provides an integrated digital relay protection networking test system, comprising a data processing module, an industrial computer and an optical fiber interface module;

[0008] The data processing module includes a DSP module, an FPGA module, a PHYⅠ interface module, a PHYⅡ interface module, a PHYⅢ interface module and an optical port control board;

[0009] The output end of the DSP module is connected to the input end of the FPGA module, the input end of the DSP module is connected to the output end of the FPGA module, the FPGA module is connected to the optical port control board through the PHYⅠ interface module, the output end of the optical port control board is connected to the input end of the optical fiber interface module; the FPGA module is connected to the optical fiber interface module through the PHYⅡ interface module; the FPGA module is connected to the industrial computer through the PHYⅢ interface module;

[0010] The industrial computer includes a main control module, a storage module and an integrated IO module; the input end of the main control module is connected to the output end of the storage module, the output end of the main control module is connected to the input end of the storage module, the main control module is also connected to the PHYⅢ interface module through the integrated IO module, and the output end of the integrated IO module is connected to the input end of the optical port control board.

[0011] Further, the optical fiber interface module includes an optical fiber interface module I and an optical fiber interface module II;

[0012] The optical fiber interface module I includes a plurality of 100M optical ports and an online network port; the input end of the 100M optical port is connected to the output end of the optical port control board, and the output end of the 100M optical port is connected to the external device to be adjusted; the output end of the online network port is connected to the input end of the optical port control board, and the online network port is used to capture network messages;

[0013] The optical fiber interface module II comprises a gigabit optical port, the input end of the gigabit optical port is connected to the output end of the PHY II interface module, and the output end of the gigabit optical port is connected to an external device to be adjusted.

[0014] Furthermore, it also includes a human-computer interaction module, which includes a display screen and an input module;

[0015] The output end of the input module is connected to the input end of the main control module;

[0016] The input end of the display screen is connected to the output end of the main control module and the output end of the input module;

[0017] The main control module is used to control the optical port control board through the integrated IO module according to the instructions input by the input module, so that the optical port control board performs networking settings on the optical ports in the optical fiber interface module I.

[0018] Further, it also includes a communication module;

[0019] The communication module includes a GPS timing circuit and a debugging interface module; the output ends of the GPS timing circuit and the debugging interface module are both connected to the input end of the FPGA module, the GPS timing circuit is used to provide an external clock, and the debugging interface module is used as a compilation interface of the FPGA module.

[0020] The beneficial effects of the utility model are as follows: the application can support the compilation networking logic of the graphical interface through the industrial computer and the human-computer interaction module; the application enables the optical port control board to perform networking settings for the optical port by integrating IO input control instructions, and can realize networking settings without a switch, as well as realize direct monitoring, analysis and control of networking data; the application is provided with an FPGA module, which supports the expansion program to realize advanced applications such as virtual ports, and can omit complex and time-consuming configuration and wiring steps while ensuring the technical safety of relay protection, and can improve the debugging efficiency of relay protection in smart power stations. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0022] Figure 1 This is a schematic diagram of the integrated digital relay protection networking test system of the utility model.

[0023] Figure 2 It is a structural diagram of the integrated digital relay protection networking test system in the embodiment. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings:

[0025] The utility model provides an integrated digital relay protection networking test system, comprising a data processing module, an industrial computer and an optical fiber interface module;

[0026] The data processing module includes a DSP module, an FPGA module, a PHYⅠ interface module, a PHYⅡ interface module, a PHYⅢ interface module and an optical port control board;

[0027] The output end of the DSP module is connected to the input end of the FPGA module, the input end of the DSP module is connected to the output end of the FPGA module, the FPGA module is connected to the optical port control board through the PHYⅠ interface module, and the output end of the optical port control board is connected to the input end of the optical fiber interface module; the FPGA module is connected to the optical fiber interface module through the PHYⅡ interface module; the FPGA module is connected to the industrial computer through the PHYⅢ interface module; the industrial computer includes a main control module, a storage module and an integrated IO module; the input end of the main control module is connected to the output end of the storage module, the output end of the main control module is connected to the input end of the storage module, the main control module is also connected to the PHYⅢ interface module through the integrated IO module, and the output end of the integrated IO module is connected to the input end of the optical port control board;

[0028] The FPGA module is mainly responsible for format conversion, data packaging and protocol processing, etc. The DSP chip interacts with the FPGA module for data and receives instructions transmitted by the main control module through the PHYⅢ interface module and the FPGA module. Through the above system, networking can be set up without a switch, and direct monitoring, analysis and control of networking data can be achieved. Moreover, complex and time-consuming configuration and wiring steps can be omitted while ensuring the technical safety of relay protection, thereby improving the debugging efficiency of relay protection in smart power stations.

[0029] The DSP chip adopts 56321VF275 or Freescale's more advanced DSP chip, the PHYⅠ interface module, PHYⅡ interface module and PHYⅢ interface module all adopt 88E1512 series chips or equivalent Gigabit Ethernet transceivers, the optical port control board adopts an industrial-grade chip that supports multiple Gigabit optical ports and 100M optical ports, preferably the ISM7100-3GF-2D-2C chip; the industrial computer adopts Intel Celeron J1900 or a more advanced processor.

[0030] In this embodiment, the optical fiber interface module includes an optical fiber interface module I and an optical fiber interface module II;

[0031] The optical fiber interface module I includes a plurality of 100M optical ports and an online network port; the input end of the 100M optical port is connected to the output end of the optical port control board and the optical fiber of the external device to be adjusted, and the output end of the 100M optical port is connected to the external device to be adjusted; the output end of the online network port is connected to the input end of the optical port control board, and the online network port is used to capture network messages. The online network port adopts an existing online network port, which is not described in detail here; the 100M optical port is used when networking is required to verify multiple protection devices;

[0032] For example, in the bus failure protection test, six 100M optical ports are selected for networking. First, three optical ports are selected for line protection current SV direct sampling, bus protection line current SV direct sampling, and bus protection line voltage SV direct sampling. Then, three optical ports are selected to connect the line protection, bus protection, and line intelligent terminals to the network, and then the bus failure protection test can be carried out.

[0033] The optical fiber interface module II includes a gigabit optical port, the input end of the gigabit optical port is connected to the output end of the PHY II interface module and the optical fiber of the external device to be adjusted, the output end of the gigabit optical port is connected to the external device to be adjusted, and an optical port optical module is arranged at the gigabit optical port. The optical port optical module adopts a gigabit plug-and-play optical module, preferably the NTR-8605MI optical module of the NETON series of Chengdu Neton Optoelectronics Technology Co., Ltd. The gigabit optical port is used when verifying a single protection device, for example: in the standby automatic start-up test (standby power automatic start-up device test), the bus current SV network sampling, line one current and one bus voltage SV network sampling, line two current and two bus voltage SV network sampling can be set in the gigabit optical port, and the standby automatic start-up device SV network sampling port is connected to the gigabit optical port to carry out the standby automatic start-up device test.

[0034] Through the above system, the external device to be adjusted can be debugged according to needs. When only a single external device to be adjusted is debugged, the optical fiber of the external device to be adjusted is inserted into the Gigabit optical port. When multiple external devices to be adjusted need to be networked and debugged, the 100M optical ports are networked according to the instructions, and then the optical fiber of the external device to be adjusted is inserted into the 100M optical port.

[0035] In this embodiment, a human-computer interaction module is also included, and the human-computer interaction module includes a display screen and an input module;

[0036] The output end of the input module is connected to the input end of the main control module. The input module can be a keyboard and an embedded trackball, etc., for inputting instructions to the device. The keyboard and the embedded trackball are prior art and will not be described in detail here.

[0037] The input end of the display screen is connected to the output end of the main control module and the output end of the input module. The display screen is preferably a liquid crystal display screen, which is used to display the instructions input by the input module and the data received by the main control module. The liquid crystal display screen is a prior art and will not be described in detail here.

[0038] The main control module is used to control the optical port control board through the integrated IO module according to the instructions input by the input module, so that the optical port control board performs networking settings on the optical ports in the optical fiber interface module I. The optical port control board can directly perform networking settings on the optical ports in the optical fiber interface module I without carrying additional networking equipment for networking configuration, and can meet various networking debugging solutions according to the instructions.

[0039] In this embodiment, a communication module is also included;

[0040] The communication module includes a GPS timing circuit and a debugging interface module; the output ends of the GPS timing circuit and the debugging interface module are both connected to the input end of the FPGA module, the GPS timing circuit adopts an existing circuit to provide an external clock, and the debugging interface module serves as a compilation interface of the FPGA module to update the program of the FPGA module.

[0041] Also includes and power module

[0042] The power supply module includes an AC input module, a rectifier circuit, a filter circuit and a DC output module. The input current of the AC input module passes through the rectifier circuit and the filter circuit in sequence and is output from the DC output module. The output end of the DC output module is connected to the power interface of the industrial computer and the power input end of the data processing module. The power supply module is used to provide power to the industrial computer and the data processing module.

[0043] The filter circuit and the rectifier circuit adopt existing circuits.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An integrated digital relay protection networking test system, characterized in that: It includes data processing module, industrial computer and optical fiber interface module; The data processing module includes a DSP module, an FPGA module, a PHYⅠ interface module, a PHYⅡ interface module, a PHYⅢ interface module and an optical port control board; The output end of the DSP module is connected to the input end of the FPGA module, the input end of the DSP module is connected to the output end of the FPGA module, the FPGA module is connected to the optical port control board through the PHYⅠ interface module, the output end of the optical port control board is connected to the input end of the optical fiber interface module; the FPGA module is connected to the optical fiber interface module through the PHYⅡ interface module; the FPGA module is connected to the industrial computer through the PHYⅢ interface module; The industrial computer includes a main control module, a storage module and an integrated IO module; the input end of the main control module is connected to the output end of the storage module, the output end of the main control module is connected to the input end of the storage module, the main control module is also connected to the PHYⅢ interface module through the integrated IO module, and the output end of the integrated IO module is connected to the input end of the optical port control board.

2. The integrated digital relay protection networking test system according to claim 1 is characterized in that: The optical fiber interface module includes an optical fiber interface module I and an optical fiber interface module II; The optical fiber interface module I includes a plurality of 100M optical ports and an online network port; the input end of the 100M optical port is connected to the output end of the optical port control board, and the output end of the 100M optical port is connected to the external device to be adjusted; the output end of the online network port is connected to the input end of the optical port control board, and the online network port is used to capture network messages; The optical fiber interface module II comprises a gigabit optical port, the input end of the gigabit optical port is connected to the output end of the PHY II interface module, and the output end of the gigabit optical port is connected to an external device to be adjusted.

3. The integrated digital relay protection network test system according to claim 2 is characterized in that: It also includes a human-computer interaction module, which includes a display screen and an input module; The output end of the input module is connected to the input end of the main control module; The input end of the display screen is connected to the output end of the main control module and the output end of the input module; The main control module is used to control the optical port control board through the integrated IO module according to the instructions input by the input module, so that the optical port control board performs networking settings on the optical ports in the optical fiber interface module I.

4. The integrated digital relay protection network test system according to claim 1 is characterized in that: Also includes a communication module; The communication module includes a GPS timing circuit and a debugging interface module; the output ends of the GPS timing circuit and the debugging interface module are both connected to the input end of the FPGA module, the GPS timing circuit is used to provide an external clock, and the debugging interface module is used as a compilation interface of the FPGA module.

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