Automatic testing device for power distribution terminal

Abstract

The utility model discloses an automatic testing device for a power distribution terminal. The automatic testing device comprises a PC (Personal Computer), a serial server, a relay protection instrument, a switch switching unit, an electronic load instrument and a power supply module, the PC is used for establishing a test scheme, sequentially sending a test instruction to the relay protection instrument and the output module, realizing output combination of various electrical signals by utilizing the intelligent component, acquiring the signals by the power distribution terminal, performing corresponding alarm actions through data processing and analysis, and uploading various data through a communication protocol; the closed-loop test of functions and performance related to remote measurement, remote signaling and pulse is realized; the test control software of the test scheme issues a control command through a communication protocol, the terminal receives the command to execute a corresponding action, and the input module receives and collects the command and feeds back the command to the main control software, so that the closed-loop test of the remote control command is realized. The power distribution terminal testing device overcomes the defects that the existing power distribution terminal testing device is unstable in communication, so that the equipment disconnection rate is high, and the reliability is reduced when the power distribution terminal testing device is communicated with a master station.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of distribution terminal automation testing device, specifically relates to a distribution terminal automation testing device. BACKGROUND

[0002] At present, distribution terminal is an important link of power distribution automation, and the reliability of terminal is particularly important, and in the field operation of many products, the unstable communication leads to high device offline rate, and the reliability decreases when communicating with the master station. SUMMARY

[0003] The utility model discloses a distribution terminal automation testing device, solves the unstable communication of the existing distribution terminal, leads to high device offline rate, and the reliability decreases when communicating with the master station.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A kind of distribution terminal automation testing device, comprising: PC machine, serial port server, relay protection instrument, switch switching unit, electronic load instrument, input module, output module and power supply module;The PC machine is used to establish test scheme, and sends test instruction to relay protection instrument, output module in turn, realizes the output combination of various electrical signals using intelligent component, distribution terminal acquisition signal, carries out corresponding alarm action after data processing analysis, and sends various data by communication protocol, realizes the closed loop test of remote measurement, remote signaling, pulse related function and performance;And the test control software of test scheme sends control command by communication protocol, terminal receives instruction and executes corresponding action, is received by input module and is gathered, feedback to host software, realize the closed loop test of remote control command;The serial port server is used to provide device internal communication channel, and is communicated with switch switching unit, electronic load instrument, power supply module unit;The electronic load instrument is used to test the load output of measured terminal and adjust output.

[0006] The power distribution terminal automation test device has the advantages of high-precision output, multi-interface output, multiple communication modes, and support for multi-protocol communication, and can better support the performance and function test of the power distribution terminal, and the communication is more stable, solves the instability of the existing power distribution terminal communication, causes the high device drop rate, and when communicating with the master station, the reliability is reduced.

[0007] Optionally, the relay protection instrument is used for providing 4-way AC voltage, 4-way AC current, 8-way small signal AC voltage, adjusting frequency, active and reactive power, power factor, harmonic number and the like, and simultaneously providing 8 pairs of input quantities and 8 pairs of output quantities.

[0008] Optionally, the power distribution terminal automation test device further comprises a wave recorder, and the wave recorder is used for monitoring voltage, current analog quantity and switching quantity.

[0009] Optionally, the switch switching unit is used for controlling switching of the internal test loop.

[0010] Optionally, the power distribution terminal automation test device further comprises a standard satellite clock instrument, and the standard satellite clock instrument is used for a GPS / Beidou standard time synchronization device, utilizes a synchronous time signal sent by a GPS and a CNSS satellite, provides a time synchronization signal as a standard time, and synchronizes PC end time.

[0011] Optionally, the power supply module is used for providing AC and DC outputs, and is used for device power supply, test of power consumption, combination with a relay loop, and test of a double power supply switching function.

[0012] Optionally, the switch switching unit is used for controlling switching of the internal test loop.

[0013] Optionally, the power distribution terminal automation test device further comprises a peanut shell server, and the peanut shell server is used for establishing a wireless channel connection with a terminal.

[0014] Optionally, the power distribution terminal automation test device further comprises a switch, and the switch is used for providing an internal communication channel of the device and an external terminal test communication channel, and is in communication with a network mode of a measured terminal, a peanut shell server, a wave recorder, a relay protection instrument and a satellite clock instrument unit.

[0015] Optionally, the power distribution terminal automation test device further comprises a box body, a test wiring plug area is arranged on the bottom of the box body, and a relay protection instrument, an electronic load instrument, a standard satellite clock instrument, a power supply module, a switch, a button and an interface area, and an air switch area are sequentially arranged above the test wiring plug area from bottom to top.

[0016] Beneficial effects

[0017] 1. The utility model discloses an integrated test platform developed for the detection demand of power distribution terminal function and performance, and can be applicable to the test detection of power distribution terminals such as DTU, FTU and TTU of the State Grid, and the design and development of the detection platform strictly follow the relevant State Grid enterprise standard requirements such as the latest version of "Power Distribution Automation Terminal Function Specification" and "Power Distribution Automation Terminal Detection Technical Specification". The detection method and process, the determination standard and the basis specification are unified. The detection platform is simple to operate, convenient to maintain, flexible to expand, and can automatically and sequentially execute the detection process, automatically calculate errors, automatically generate reports, and significantly improve the automation level and efficiency of power distribution terminal test detection.

[0018] 2. The power distribution terminal automation test device in the utility model has the advantages of high-precision output, multi-interface output, multiple communication modes, and support for multi-protocol communication, and can better support performance and function tests of power distribution terminals.

[0019] 3. The power distribution terminal automation test device has the advantages of high-precision output, multi-interface output, multiple communication modes, and support for multi-protocol communication, and can realize high-precision output of 8-way large signal and 8-way small signal analog quantity, 8-way output, and 8-way input, meet the performance requirements of various terminals, and through default cases or self-built cases, various simulated field faults can be realized, multiple protocols can be configured, multiple communication modes can be configured, and comprehensive terminal tests can be realized to ensure the reliability of the tested terminal. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a logic flow chart of the power distribution terminal automation test device of embodiment 1 of the utility model;

[0021] Figure 2 is a back view of the power distribution terminal automation test device of embodiment 1 of the utility model.

[0022] The reference signs in the drawings are as follows:

[0023] 1. box, 2. test wiring plug area, 3. wave recorder, 4. relay protection instrument, 5. electronic load instrument, 6. standard satellite clock instrument, 7. power supply module, 8. switch, 9. button and interface area, 10. air switch area. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model will be further described in detail in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0025] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, direct connection, or indirectly connected through intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Embodiment 1

[0027] The technical scheme adopted by the utility model is as follows:

[0028] As Figure 1 And Figure 2 The utility model discloses a kind of power distribution terminal automation test device, comprising: PC, serial port server, relay protection instrument, switch switching unit, peanut shell server, standard satellite clock instrument, wave recorder, electronic load instrument, input module, output module and power supply module;The PC is used to establish test scheme, and sends test instruction to relay protection instrument, output module in turn, utilizes intelligent component to realize the output combination of various electrical signals, power distribution terminal acquires signal, after data processing analysis, executes corresponding alarm action, and sends various data by communication protocol, realizes the closed loop test of telemetering, remote signaling, pulse correlation function and performance;And the test control software of test scheme sends control command by communication protocol, terminal receives instruction and executes corresponding action, is received by input module and is collected, feedback to host software, realizes the closed loop test of remote control command.

[0029] In the embodiment, the serial port server is used to provide device internal communication channel, and is communicated with switch switching unit, electronic load instrument, power supply module unit,

[0030] In the embodiment, the electronic load instrument is used to test the load output of measured terminal and adjust output, and the maximum support is 750W.

[0031] In the embodiment, the relay protection instrument is used for providing 4-way AC voltage, 4-way AC current, 8-way small signal AC voltage, adjusting frequency, active and reactive power, power factor, harmonic number and the like, and simultaneously providing 8 pairs of input and 8 pairs of output, and supporting sequence setting.

[0032] In the embodiment, the wave recorder is used for providing voltage, current analog quantity and switch quantity monitoring. The switch switching unit is used for controlling switching of the internal test loop.

[0033] In the embodiment, the standard satellite clock instrument is used for GPS / Beidou standard time synchronization device, and provides high reliability and high precision time synchronization signal, which can be used as standard time, uses the synchronization time signal sent by the GPS and CNSS satellites to provide time synchronization signal as standard time to synchronize PC end time.

[0034] In the embodiment, the power supply module is used for providing AC and DC output, and is used for device power supply, testing power consumption, and combining with the relay loop to test double power supply switching function.

[0035] In the embodiment, the switch switching unit is used for controlling switching of the internal test loop.

[0036] In the embodiment, the peanut shell server is used for establishing wireless channel connection with the terminal.

[0037] The power distribution terminal automatic test device further comprises a box body 1, a test wiring plug area 2 is arranged at the bottom of the box body, and a wave recorder 3, a relay protection instrument 4, an electronic load instrument 5, a standard satellite clock instrument 6, a power supply module 7, a switch 8, a button and interface area 9 and an air switch area 10 are sequentially arranged above the test wiring plug area from bottom to top.

[0038] When the embodiment is implemented, the PC establishes a test scheme, and sequentially sends test instructions to the relay protection instrument and the output module, various electrical signals are output and combined by using the intelligent component, the power distribution terminal collects signals, performs corresponding alarm action through data processing and analysis, and uploads various data through the communication protocol to realize closed loop test of telemetry, remote signaling and pulse related functions and performance; the test control software of the test scheme sends control commands through the communication protocol, the terminal receives the instructions to perform corresponding actions, the input module receives and collects, and feedback is given to the host software to realize closed loop test of remote control commands; the serial port server provides internal communication channels, and communicates with the switch switching unit, the electronic load instrument and the power supply module unit; the electronic load instrument is used for testing and adjusting the load output of the terminal to be tested.

[0039] The above merely describes preferred embodiments of the present application, and is not intended to limit the patent protection scope of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields, are also included in the protection scope of the present application.

Claims

1. A power distribution terminal automation testing apparatus, characterized by, Include: PC, serial server, relay protection instrument, switch switching unit, electronic load instrument, input module, wave recorder, peanut shell server, switch, output module and power supply module; the serial server is used for providing internal communication channel of device, and communicates with switch switching unit, electronic load instrument, power supply module unit; the electronic load instrument is used for testing load output of terminal to be measured and adjusting output, the wave recorder is used for providing voltage, current analog quantity and switch quantity monitoring, the serial server is electrically connected with electronic load instrument, wave recorder, relay protection instrument, PC; the peanut shell server is used for establishing wireless channel connection with terminal; the switch is used for providing internal communication channel of device and external terminal test communication channel, and communicates with terminal network mode to be measured, peanut shell server, wave recorder, relay protection instrument, satellite clock instrument unit.

2. A power distribution terminal automation testing device as recited in claim 1, wherein, The relay protection instrument is used for providing 4-way ac voltage, 4-way ac current, 8-way small signal ac voltage, and adjusting frequency, active and reactive, power factor, harmonic number and other indexes, simultaneously providing 8 pairs of input and 8 pairs of output.

3. A power distribution terminal automation testing device as recited in claim 1, wherein, The switch switching unit is used for controlling switching internal test loop.

4. A power distribution terminal automation testing device as recited in claim 1, wherein, Also include the standard satellite clock instrument, the standard satellite clock instrument is used for GPS / Beidou standard time synchronization device, utilizes the synchronous time signal sent by GPS, CNSS satellite, provides time synchronization signal, as standard time, to synchronize PC end time.

5. A power distribution terminal automation testing device as claimed in claim 1 or 2 or 3 or 4, wherein, The power supply module is used for providing ac and dc output, and is used for equipment power supply, tests its power consumption, and is combined with relay loop to test double power supply switching function.

6. A power distribution terminal automation testing device as claimed in claim 1 or 2 or 3 or 4, wherein, The switch switching unit is used for controlling switching internal test loop.

7. A power distribution terminal automation testing device as claimed in claim 1 or 2 or 3 or 4, wherein, Also include the box, the box bottom is equipped with test wiring plug area, the test wiring plug area is equipped with relay protection instrument, electronic load instrument, standard satellite clock instrument, power supply module, switch, button and interface area, air switch area from bottom to top in sequence.

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