CN206863511U - A kind of feeder automation emulation test system of diversification test pattern - Google Patents

Abstract

The utility model relates to a feeder automatic simulation test system with diversified test modes, which comprises a main control platform for test modeling, a plurality of digital testers and a plurality of analog testers, and the main control platform for test modeling passes data transmission The module communicates bidirectionally with the digital tester and the analog tester respectively, the digital tester communicates with the comprehensive insurance/FA controller in two directions, and the analog tester communicates with the power distribution terminal in two directions. The utility model can output realistic analog voltage and current signals of the secondary line to the power distribution terminal through the digital tester and the analog tester to simulate the normal and fault states of the line, and carry out the test work under the condition that the primary line is not powered off. The test plan is scientific and effective without power outage, which significantly reduces the workload and difficulty of testers.

Description

A feeder automatic simulation test system with multiple test modes

technical field

The utility model relates to the technical field of feeder automation simulation test system, in particular to a feeder automation simulation test system with multiple test modes.

Background technique

The FA function of the traditional feeder automation system often adopts the method of manual synchronous triggering. The tested line is powered off, and the relay protection device is used to load the fault current to the corresponding measurement point. When the analog current is loaded, the personnel of each site use the walkie-talkie to synchronize. It can be seen that this method requires a full-line power outage during the test process, which affects the reliability of power supply; in addition, it is difficult to organize and coordinate, and the work efficiency is low; the fault current is not easy to synchronize, it is difficult to guarantee the success rate of one-time test, and it is impossible to intuitively display the test process.

Utility model content

The purpose of the utility model is to provide a feeder automatic simulation test system with diversified test modes that does not require power failure during the test process, greatly improves the test speed, and reduces the workload and difficulty of testers.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a feeder automation simulation test system with multiple test modes, including a test modeling master control platform, a plurality of digital testers and a plurality of analog testers. The test modeling main control platform communicates bidirectionally with the digital tester and the analog tester respectively through the data transmission module, the digital tester communicates with the comprehensive insurance/FA controller in two directions, and the analog tester communicates with the Terminal two-way communication.

The data transmission module includes a public network cloud server and a mobile cellular 4G router, and the test modeling master control platform communicates with the digital tester and the analog tester respectively through the public network cloud server and the mobile cellular 4G router in turn.

The data transmission module uses a U disk, and the test modeling main control platform communicates with the analog tester and the digital tester through the import of the U disk.

The data transmission module adopts optical fiber, and the two-way communication between the test modeling main control platform and the analog tester and the digital tester adopts optical fiber.

The analog tester includes a DSP control module, its first input terminal is connected to a digital input module, its second input terminal is connected to the first panel control button; its first input and output terminal is connected to the test model through the first USB interface module Two-way communication of the main control platform, its second input and output terminal communicates with the test modeling main control platform through the first Ethernet interface module, its third input and output terminal is connected to the first serial port module, and its fourth input and output terminal is connected to the first GPS module, its fifth input and output terminal is connected to the first EEPROM module; its first output terminal is connected to the power distribution terminal through a voltage amplifier, its second output terminal is connected to the power distribution terminal through a current amplifier, and its third output terminal is connected to the first An LCD display screen is connected, and its fourth output terminal is connected with the digital quantity output module; the first switching power supply supplies power to the DSP control module.

The digital tester includes an ARM processor, its input end is connected with the second panel control button, and its output end is connected with the second LCD display screen; its first input and output end is connected with the test modeling through the second Ethernet interface module Two-way communication of the main control platform, its second input and output terminal communicates with the test modeling main control platform through the second USB interface module, its third input and output terminal is connected to the second GPS module, and its fourth input and output terminal is connected to the second EEPROM Module, its fifth input and output terminal communicates bidirectionally with the integrated security/FA controller through the third Ethernet interface module, and its six input and output terminals are connected to the second serial port module; the second switching power supply supplies power to the ARM processor.

It can be seen from the above technical scheme that the utility model can output realistic analog voltage and current signals of the secondary line to the power distribution terminal through the digital tester and the analog tester to simulate the normality and failure of the line when the primary line is not powered off. State, carry out testing work, the test plan is scientific and effective, without power outage, which significantly reduces the workload and difficulty of testers.

Description of drawings

Fig. 1 is a system structure block diagram of the present utility model;

Fig. 2 is the circuit block diagram of analog type tester among Fig. 1;

Fig. 3 is a circuit block diagram of the digital tester in Fig. 1.

Detailed ways

As shown in Figure 1, a feeder automation simulation test system with diversified test modes includes a test modeling master control platform 1, a plurality of digital testers 3 and a plurality of analog testers 2, and the test modeling master The control platform 1 communicates bidirectionally with the digital tester 3 and the analog tester 2 respectively through the data transmission module 4, the digital tester 3 communicates with the integrated security/FA controller in two directions, the analog tester 2 communicates with the distribution Two-way communication between electrical terminals. The data transmission module 4 includes a public network cloud server and a mobile cellular 4G router, and the test modeling master control platform 1 communicates with the digital tester 3 and the analog tester 2 successively through the public network cloud server and the mobile cellular 4G router. two-way communication. The data transmission module 4 adopts a USB flash drive, and the test modeling main control platform 1 communicates with the analog tester 2 and the digital tester 3 by importing the USB flash drive. The data transmission module 4 uses optical fiber, and the two-way communication between the test modeling main control platform 1 and the analog tester 2 and the digital tester 3 uses optical fiber.

The test work of feeder automation not only needs to improve the test cases and provide a comprehensive test plan, but also provides a variety of communication linkage test modes according to local conditions. Therefore, this system provides three different linkage modes, as shown in Figure 1 :

①The test system and the system under test are not in the same network. In order to enable the test modeling master control platform 1 of the test system to centrally manage the analog testers 2 and digital testers 3 distributed at each node, the The server and the mobile cellular 4G router perform Ethernet transfer and transparent transmission to realize the information interaction between each tester in the test system and the test modeling main control platform 1, which is convenient for the test modeling main control platform 1 to monitor the progress of the entire test process and automatically determine the FA Whether the system action logic is qualified or not, complete the test work.

②The test system and the system under test are in the same network. The test modeling main control platform adopts the optical fiber communication mode, connects each tester through Ethernet, and intelligently generates topology schemes and test sequences. After the networking test starts, the digital tester 3 and the analog tester 2 are triggered synchronously according to the preset time and respectively inject electrical quantity signals into the comprehensive protection/FA controller and the power distribution terminal, and the test modeling main control platform 1 according to the digital The test records of the model tester 3 and the analog tester 2 are counted and analyzed, and the correctness of the FA action is judged, and a test report is generated.

③In an environment that does not have communication test conditions, import the test plan formulated on the test modeling master control platform into the digital tester 3 and the analog tester 2 through the import mode of the U disk. After the test, pass U disk exports the test records of the digital tester 3 and the analog tester 2, and then imports them into the test modeling master control platform 1, and the test modeling master control platform 1 performs statistics and analysis according to the test records of each tester, Give the FA action correctness judgment and generate a test report.

As shown in Figure 2, the analog tester 2 includes a DSP control module, its first input terminal is connected to the digital input module, and its second input terminal is connected to the first panel control button; The USB interface module communicates bidirectionally with the test and modeling main control platform 1, its second input and output end communicates with the test and modeling main control platform 1 through the first Ethernet interface module, and its third input and output terminal is connected to the first serial port module, Its fourth input and output terminal is connected to the first GPS module, its fifth input and output terminal is connected to the first EEPROM module; its first output terminal is connected to the power distribution terminal through a voltage amplifier, and its second output terminal is connected to the power distribution terminal through a current amplifier connected, its third output end is connected to the first LCD display screen, and its fourth output end is connected to the digital output module. The analog tester 2 takes DSP digital signal processing technology as the core, and can realize the full electrical quantity simulation of two power switch data, through network transmission or USB import, and reliable cooperation with the test modeling main control platform 1, Finish the test work. The first switching power supply supplies power to the DSP control module.

The DSP control module reliably cooperates with the test modeling main control platform 1 through the first Ethernet interface module or the first USB interface module, and receives the test case issued by the test modeling main control platform 1; the test modeling main control platform 1. The test cases delivered are downloaded or imported into the DSP control module through the first Ethernet port interface module or the first USB interface module. After the first GPS module synchronizes the time, the DSP control module models the main control platform according to the test 1. The set test sequence injects the electrical analog quantities in the normal state, fault state, and post-fault state of the line into each power distribution terminal through the voltage amplifier and the current amplifier, and can provide two-way switch voltage and current analog signals, including 8-way voltage data and 8 channels of current data; each power distribution terminal makes an action according to the received electrical analog quantity, and feeds back fault handling information, action instructions and switch status information to the DSP control module through the digital quantity input module, and the digital quantity output module It can provide 18 channels of passive dry contact signals to feed back the action and status result information to the power distribution terminal. At the same time, the DSP control module records the received action and status result information. The important displacement or remote control information at each moment in the test process will be recorded in the first EEPROM memory, and after being summarized by the DSP control module, it will be fed back to the test modeling master through the first Ethernet interface module or the first USB interface module. The control platform 1 performs processing and judgment.

The operation process can be set and viewed through the first LCD display and the first panel control buttons, and some simple state sequences can be set directly on the first LCD display. In addition, the device is also equipped with the first serial port module, which is used as a device debugging and maintenance port, and the operating system can be upgraded and maintained anytime and anywhere through a laptop. The analog tester 2 is equipped with a dedicated first switching power supply, which has protection functions such as overcurrent, overheating, and short circuit, and has an isolation voltage function to separate the output from the input circuit to prevent mutual interference between the input and output circuits.

As shown in Fig. 3, described digital tester 3 comprises ARM processor, and its input terminal is connected with the second panel control button, and its output terminal is connected with the second LCD display screen; Its first input and output terminal is connected through the second Ethernet The network interface module communicates bidirectionally with the test and modeling main control platform 1, and its second input and output end communicates with the test and modeling main control platform 1 through the second USB interface module, and its third input and output terminal is connected to the second GPS module. The fourth input and output terminal is connected to the second EEPROM module, and the fifth input and output terminal communicates bidirectionally with the comprehensive protection/FA controller through the third Ethernet interface module, and its six input and output terminals are connected to the second serial port module; the second switching power supply is connected to The ARM processor is powered.

The digital tester 3 uses the ARM microprocessor as the core technology, which can perfectly simulate the faulty electrical data of the distribution line collected by equipment or systems such as protective relays, dispatching automation systems, or communication management machines, and report to the comprehensive protection system through communication protocols. The /FA controller provides digital electrical simulation data through network transmission or USB import, and cooperates reliably with the test modeling main control platform 1 to complete the test work.

Described ARM microprocessor cooperates reliably with test modeling main control platform 1 through the second Ethernet interface module or second USB interface module, receives the test case issued by test modeling main control platform 1; Test modeling main control The test cases issued by platform 1 are imported into the ARM microprocessor through the second Ethernet interface module or the second USB interface module. After the second GPS module synchronizes the time, the ARM microprocessor models the main control platform according to the test 1. The set test sequence injects the digital signal of each electrical analog quantity under the normal state, fault state and post-fault state of the line to the comprehensive protection/FA controller through the second Ethernet interface module in the form of communication protocol; comprehensive protection/FA controller The FA controller takes action according to the received electrical digital signal, and feeds back fault handling information, action instructions and switch state information to the ARM microprocessor through the second Ethernet interface module. The important displacement or remote control information at each moment in the test process will be recorded in the second EEPROM memory, and after being summarized by the ARM microprocessor, it will be fed back to the test model through the second Ethernet interface module or the second USB interface module The main control platform 1 performs processing and judgment.

The operation process can be set and viewed through the second LCD display and the second panel control buttons, and some simple state sequences can be set directly on the second LCD display. In addition, the digital tester 3 is also equipped with a second serial port module, which is used as a device debugging and maintenance port, and the operating system can be upgraded and maintained anytime and anywhere through a laptop. Digital tester 3 is equipped with a dedicated second switching power supply, which has protection functions such as overcurrent, overheating, and short circuit, and also has an isolation voltage function, which separates the output from the input circuit to prevent mutual interference between the input and output circuits.

In summary, the utility model can output realistic analog voltage and current signals of the secondary line to the power distribution terminal through the digital tester and the analog tester to simulate the normal and fault states of the line without power failure of the primary line , to carry out the test work, the test plan is scientific and effective, without power failure, which significantly reduces the workload and difficulty of the testers.

Claims (6)

1. A feeder automation simulation test system with multiple test modes, characterized in that it includes a test modeling master control platform (1), multiple digital testers (3) and multiple analog testers (2), The main control platform for test modeling (1) communicates bidirectionally with the digital tester (3) and the analog tester (2) respectively through the data transmission module (4), and the digital tester (3) communicates with the comprehensive insurance The /FA controller has two-way communication, and the analog tester (2) has two-way communication with the power distribution terminal. 2. The feeder automation simulation test system for multiple test modes according to claim 1, characterized in that: the data transmission module (4) includes a public network cloud server and a mobile cellular 4G router, and the test modeling master control The platform (1) communicates bidirectionally with the digital tester (3) and the analog tester (2) respectively through the public network cloud server and the mobile cellular 4G router. 3. The feeder automation simulation test system with multiple test modes according to claim 1, characterized in that: the data transmission module (4) uses a USB flash drive, and the test modeling main control platform (1) is connected with the simulation type Both the tester (2) and the digital tester (3) communicate with each other by means of U disk import. 4. The feeder automation simulation test system with multiple test modes according to claim 1, characterized in that: the data transmission module (4) adopts optical fiber, and the test modeling main control platform (1) is connected with the simulation test Optical fiber two-way communication is used between the tester (2) and the digital tester (3). 5. The feeder automation simulation test system with multiple test modes according to claim 1, characterized in that: the analog tester (2) includes a DSP control module, the first input terminal of which is connected to a digital input module, which The second input terminal is connected to the first panel control button; the first input and output terminal communicates bidirectionally with the main control platform (1) for testing and modeling through the first USB interface module, and the second input and output terminal communicates with the main control platform (1) through the first Ethernet interface module. Test modeling main control platform (1) Two-way communication, its third input and output terminal is connected to the first serial port module, its fourth input and output terminal is connected to the first GPS module, its fifth input and output terminal is connected to the first EEPROM module; its One output end is connected to the power distribution terminal through a voltage amplifier, the second output end is connected to the power distribution terminal through a current amplifier, the third output end is connected to the first LCD display screen, and the fourth output end is connected to the digital output module ; The first switching power supply supplies power to the DSP control module. 6. The feeder automatic simulation test system with multiple test modes according to claim 1, characterized in that: the digital tester (3) includes an ARM processor, the input end of which is connected to the control button on the second panel, and its The output terminal is connected to the second LCD display screen; the first input and output terminal communicates bidirectionally with the test modeling main control platform (1) through the second Ethernet interface module, and the second input and output terminal communicates with the test modeling main control platform (1) through the second USB interface module Modeling main control platform (1) Two-way communication, its third input and output terminal is connected to the second GPS module, its fourth input and output terminal is connected to the second EEPROM module, and its fifth input and output terminal is connected to the integrated system through the third Ethernet interface module Guarantee/FA controller two-way communication, its six input and output terminals are connected to the second serial port module; the second switching power supply supplies power to the ARM processor.