CN218567480U - Power distribution terminal test system - Google Patents
Power distribution terminal test system Download PDFInfo
- Publication number
- CN218567480U CN218567480U CN202222059184.1U CN202222059184U CN218567480U CN 218567480 U CN218567480 U CN 218567480U CN 202222059184 U CN202222059184 U CN 202222059184U CN 218567480 U CN218567480 U CN 218567480U
- Authority
- CN
- China
- Prior art keywords
- distribution terminal
- test
- power distribution
- test circuit
- router
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a power distribution terminal test system, which comprises a power distribution terminal test device, a router, a relay protection tester, a stopwatch, a computer and a display; distribution terminal test equipment passes through the net twine and connects the router, and the router passes through net twine and connects the relay protection tester, and distribution terminal test equipment passes through string mouthful line connection back production table and distribution terminal, and the router passes through net twine and connects distribution terminal, and distribution terminal test equipment passes through net twine and connects computer and display. The power distribution terminal test equipment comprises a control chip, and a numerical test circuit, a remote signaling and remote measuring test circuit, a remote control and protection test circuit, an input and output test circuit, a communication test circuit, a GPS and GPRS test circuit, a file transmission test circuit and a wave recording test circuit which are connected with the control chip, and can test various functions of the power distribution terminal, improve the production test efficiency of the power distribution terminal and improve the product quality.
Description
Technical Field
The utility model relates to a distribution terminal's production test technical field, in particular to distribution terminal test system.
Background
Along with the rapid development of novel distribution terminal, the function of equipment is more and more, and the components and parts structure is more and more complicated to in production test distribution terminal in-process has brought many problems and challenges for power equipment enterprise.
In mass production of power distribution terminals, each station needs to manually perform calibration, remote communication quantity test, remote control quantity test, current and voltage sampling test, error test of various current and voltage grades, GPS (global positioning system), GPRS (general packet radio service) test and the like through a relay protection tester. Each device has hundreds of test items and records test data. The test process is complicated, the efficiency is low, errors are easy to occur, and huge pressure is brought to production, supply and quality inspection of enterprises.
Some existing automatic production test equipment for power distribution terminals on the market at present have the defects of single function and single protocol. The power distribution terminal is continuously developed, new functions such as file transmission, wave recording and GPS are newly added, and new modularized equipment is added, so that required test items are multiplied, and the requirements are not met by the existing test equipment.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a distribution terminal test system, through multiple test module and test protocol, carry out voltage, electric current, power, remote signalling, remote control, telemetering measurement, open into and go out, record ripples, GPS \ the comprehensive automatic test of each function such as GPRS to distribution terminal to improve distribution terminal's production efficiency of software testing, promote product quality.
In order to solve the above technical problem, an embodiment of the present invention provides the following solutions:
a power distribution terminal test system comprises power distribution terminal test equipment, a router, a relay protection tester, a recovery meter, a computer and a display;
the distribution terminal testing equipment is connected with the router through a network cable, the router is connected with the relay protection tester through the network cable, the distribution terminal testing equipment is connected with the recovery meter and the distribution terminal through a serial port line, the router is connected with the distribution terminal through the network cable, and the distribution terminal testing equipment is connected with the computer and the display through the network cable;
the power distribution terminal test equipment comprises a control chip, a numerical test circuit, a remote signaling and remote measuring test circuit, a remote control and protection test circuit, an input and output test circuit, a communication test circuit, a GPS and GPRS test circuit, a file transmission test circuit and a wave recording test circuit, wherein the numerical test circuit, the remote signaling and remote measuring test circuit, the remote control and protection test circuit, the input and output test circuit, the communication test circuit, the GPS and GPRS test circuit, the file transmission test circuit and the wave recording test circuit are connected with the control chip;
the power distribution terminal test equipment further comprises an interface assembly, and the test circuits are connected with the power distribution terminal through the interface assembly.
Preferably, the interface component comprises a plurality of RS232 serial ports, a plurality of RS485 interfaces and a plurality of network ports.
Preferably, the power distribution terminal testing equipment further comprises a plurality of relays, and each relay is connected with one power distribution terminal to be tested.
Preferably, the relay adopts a JQX-68FG relay.
Preferably, the power distribution terminal test equipment further comprises a power interface, a switch and an indicator light.
Preferably, the control chip adopts an STM32F103RCT6 chip.
Preferably, the mining table adopts a TRSM300 three-phase mining table.
Preferably, the power distribution terminal includes an FTU and a DTU.
The embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least:
the utility model discloses can realize the comprehensive automatic test to each item functions such as power distribution terminal's voltage, electric current, power, remote control, telemetering measurement, division in, record ripples, GPS GPRS to improve power distribution terminal's production efficiency of software testing, promote product quality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 is a schematic structural diagram of a power distribution terminal testing system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power distribution terminal testing device provided by an embodiment of the present invention.
As shown in the drawings, in order to clearly realize the structures of the embodiments of the present invention, specific structures and devices are marked in the drawings, but this is only for illustration purpose, and it is not intended to limit the present invention to the specific structures, devices and environments, and according to specific needs, those skilled in the art can adjust or modify the devices and environments, and the adjustment or modification is still included in the protection scope of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The embodiment of the utility model provides a power distribution terminal test system, as shown in figure 1, the test system includes power distribution terminal test equipment, router, relay protection tester, stopwatch, computer and display;
distribution terminal test equipment passes through the net twine and connects the router, the router passes through the net twine and connects the relay protection tester, distribution terminal test equipment passes through the serial port line and connects extraction table and distribution terminal, the router passes through the net twine and connects distribution terminal, distribution terminal test equipment passes through the net twine and connects computer and display.
As shown in fig. 2, the power distribution terminal test device includes a control chip, and a numerical test circuit, a remote signaling and remote measuring test circuit, a remote control and protection test circuit, an in-out test circuit, a communication test circuit, a GPS and GPRS test circuit, a file transmission test circuit, and a recording test circuit, which are connected to the control chip.
The power distribution terminal test equipment further comprises an interface assembly, and the test circuits are connected with the power distribution terminal through the interface assembly. As a specific implementation of the utility model, the interface module includes a plurality of RS232 serial ports, a plurality of RS485 interfaces, a plurality of net gape, and each test circuit selects suitable interface to connect according to the test protocol.
The embodiment of the utility model provides an in, control chip adopts STM32F103RCT6 chip, and numerical test circuit, remote signalling telemetering measurement test circuit, remote control and protection test circuit, division are gone into and are left out test circuit, communication test circuit, GPS and GPRS test circuit, file transmission test circuit, record ripples test circuit and all are connected with STM32F103RCT6 chip, are realized separately test function by STM32F103RCT6 chip control.
The numerical test circuit is used for testing the precision errors of voltage, current, active and reactive power, zero sequence current voltage and frequency of the power distribution terminal. Specifically, the relay protection tester is controlled to output current and voltage rated percentages of 20%, 60%, 100% and 120% of preset values, data returned by the power distribution terminal are received through a 101 or 104 protocol, and automatic comparison and automatic judgment of test results are carried out on the data and corresponding values in an extraction table. The mining table adopts a TRSM300 three-phase mining table.
And during precision error testing, firstly obtaining the sampling value of each sampling point, automatically comparing according to the precision of each sampling point, and when the deviation rate of the sampling values is within a reasonable range, the testing result is successful, otherwise, the testing result is failed.
The remote signaling and remote measuring test circuit is used for carrying out remote signaling and remote measuring test on the power distribution terminal; the remote control and protection test circuit is used for carrying out remote control and protection function test on the power distribution terminal; the open-in and open-out test circuit is used for testing the open-in amount and the open-out amount of the power distribution terminal.
Specifically, after the equipment automatically sets time, the time returned by the power distribution terminal is read, and when the time is consistent, the time synchronization is passed. The equipment automatically issues a remote control command, and the message is issued through a preset and executed standard remote control command. When the devices return that the remote control execution is successful, the remote control test is passed. And aiming at the protection function, the relay protection tester is controlled to output preset current and voltage to monitor whether the equipment returns correct remote communication quantity to detect a test result.
The communication test circuit is used for testing the communication function of the power distribution terminal. Specifically, the device can dynamically configure communication channels of each serial port and each network port, and automatically detect communication data of each serial port and each network port according to a preset configuration type. When the three continuous acquisitions fail, the test of the communication port fails, otherwise, the test of the communication port succeeds.
The GPS and GPRS test circuit is used for carrying out GPS \ GPRS test on the power distribution terminal. Specifically, after the equipment automatically sets a GPS position at random, the position data of the power distribution terminal GPS is obtained through automatic recall and test, and when the position data of the equipment and the position data of the power distribution terminal GPS are consistent, the GPS test is passed. The equipment is automatically switched to a GPRS channel of the equipment to call remote signaling and remote measuring data, and after the equipment returns data through GPRS, the GPRS test is passed.
The file transmission test circuit is used for testing the file transmission function of the power distribution terminal, and the wave recording test circuit is used for testing the wave recording function of the power distribution terminal. Specifically, the equipment automatically controls the relay protection tester to output a fault sequence, so that the power distribution terminal generates wave recording data, reads a wave recording file list through a wave recording calling function, and calls a corresponding wave recording file. And when the correct wave recording file can be obtained, the wave recording function test is passed. The device automatically calls the history telemetry file, and when the history telemetry file returns to be successful, the file transmission function test is passed.
It should be noted that the numerical test circuit, the remote signaling and telemetry test circuit, the remote control and protection test circuit, the input/output test circuit, the communication test circuit, the GPS and GPRS test circuit, the file transmission test circuit, and the wave recording test circuit may all adopt existing test circuits on the market, and after being packaged as modules, corresponding functional tests are performed, which is not described herein again.
Further, as shown in fig. 2, the power distribution terminal testing device further includes a plurality of relays, and each relay is connected to one power distribution terminal to be tested. As a specific embodiment of the utility model, the relay adopts JQX-68FG relay. The power distribution terminal testing equipment can select to test one or more power distribution terminals at the same time by controlling the switch of the relay. The power distribution terminals include, but are not limited to, FTUs and DTUs.
Further, the power distribution terminal test equipment further comprises a power interface, a switch and an indicator light. The power interface is used for connecting a power supply, the switch is used for turning on or turning off the test equipment, and the indicator light indicates different working states of the test equipment through different colors.
The power distribution terminal testing equipment can display interactive data between equipment through the computer and the displayer dynamically in the testing process, and the testing process is convenient to investigate and monitor. And the computer and the display can flexibly check the test results according to the conditions of equipment information, test items and the like of the power distribution terminals, including checking the single test result and the whole test result of each power distribution terminal.
The utility model provides a distribution terminal test equipment and system can realize the comprehensive automatic test to distribution terminal's voltage, electric current, power, remote signalling, remote control, telemetering measurement, division into and go out, record ripples, GPS GPRS each item function such as to improve distribution terminal's production efficiency of software testing, promote product quality.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal apparatus. Without further limitation, an element defined by the phrases "comprising one of \ 8230; \8230;" does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.
References in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
In general, terms may be understood at least in part from the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in the singular or may be used to describe a combination of features, structures, or characteristics in the plural, depending at least in part on the context. Additionally, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead allow for the presence of other factors not necessarily explicitly described, depending at least in part on the context.
The present invention covers any alternatives, modifications, equivalents, and alternatives falling within the spirit and scope of the invention. In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail as not to unnecessarily obscure aspects of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A power distribution terminal test system is characterized by comprising power distribution terminal test equipment, a router, a relay protection tester, a recovery meter, a computer and a display;
the distribution terminal testing equipment is connected with the router through a network cable, the router is connected with the relay protection tester through the network cable, the distribution terminal testing equipment is connected with the recovery meter and the distribution terminal through a serial port line, the router is connected with the distribution terminal through the network cable, and the distribution terminal testing equipment is connected with the computer and the display through the network cable;
the power distribution terminal test equipment comprises a control chip, a numerical test circuit, a remote signaling and remote measuring test circuit, a remote control and protection test circuit, an input and output test circuit, a communication test circuit, a GPS and GPRS test circuit, a file transmission test circuit and a wave recording test circuit, wherein the numerical test circuit, the remote signaling and remote measuring test circuit, the remote control and protection test circuit, the input and output test circuit, the communication test circuit, the GPS and GPRS test circuit, the file transmission test circuit and the wave recording test circuit are connected with the control chip;
the power distribution terminal test equipment further comprises an interface assembly, and the test circuits are connected with the power distribution terminal through the interface assembly.
2. The power distribution terminal testing system of claim 1, wherein the interface assembly comprises a plurality of RS232 serial ports, a plurality of RS485 interfaces, and a plurality of network ports.
3. The power distribution terminal testing system of claim 1, wherein the power distribution terminal testing device further comprises a plurality of relays, each relay being connected to one power distribution terminal to be tested.
4. The electrical distribution terminal testing system of claim 3, wherein the relay is a JQX-68FG relay.
5. The power distribution terminal test system of claim 1, wherein the power distribution terminal test equipment further comprises a power interface, a switch, and an indicator light.
6. The power distribution terminal test system of claim 1, wherein the control chip is an STM32F103RCT6 chip.
7. The power distribution terminal testing system of claim 1, wherein the mining table employs a TRSM300 three-phase mining table.
8. The power distribution terminal test system of claim 1, wherein the power distribution terminal comprises an FTU and a DTU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222059184.1U CN218567480U (en) | 2022-08-05 | 2022-08-05 | Power distribution terminal test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222059184.1U CN218567480U (en) | 2022-08-05 | 2022-08-05 | Power distribution terminal test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218567480U true CN218567480U (en) | 2023-03-03 |
Family
ID=85306396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222059184.1U Active CN218567480U (en) | 2022-08-05 | 2022-08-05 | Power distribution terminal test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218567480U (en) |
-
2022
- 2022-08-05 CN CN202222059184.1U patent/CN218567480U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105785199B (en) | Multifunctional ligand electric terminals integrated test system and its working method | |
| CN107402332B (en) | Intelligent power distribution terminal multi-meter-position automatic detection system and detection method thereof | |
| CN202720296U (en) | Platform for detecting function and performance of power distribution automatic terminal apparatus | |
| CN106655513A (en) | In-situ feeder automation test system | |
| CN105510865A (en) | Power user onsite electric energy meter fault remote determination method | |
| CN110927482A (en) | Automatic hybrid test system and method for distribution automation feeder terminal equipment | |
| CN105262211A (en) | Distribution master station and terminal synchronous on-line self-diagnosis method | |
| CN111308242A (en) | Test platform and test method of distribution automation system | |
| CN108802517A (en) | A kind of test method and system of site protective device | |
| CN106921522A (en) | Intelligent substation network message record analysis device networked information model inspection device | |
| CN106405294A (en) | Portable power distribution product transmission calibrator and inspection method implemented thereby | |
| CN110174564A (en) | The filed detection system and its detection method of equipment for monitoring power quality access main website | |
| CN110943881A (en) | Test system and method based on in-situ protection industrial debugging | |
| CN115967169A (en) | Test system and method for intelligent distribution transformer terminal | |
| CN201440156U (en) | Testing device for electric energy collecting terminal | |
| CN103279520B (en) | Power substation secondary system failure reconnaissance method | |
| CN218567480U (en) | Power distribution terminal test system | |
| CN111025077A (en) | Automatic test system and test method for intelligent terminal of power distribution network | |
| CN111799889A (en) | Debugging method for general efficient processing of urban network distribution network automatic terminal | |
| CN115047281B (en) | Intelligent detection system of power grid secondary equipment | |
| CN217278655U (en) | Real-time monitoring device for power quality | |
| CN105006891A (en) | On-line visual remote control terminal and method used for transformer station background upgrading | |
| CN109358604A (en) | A kind of control system input and output module device for testing functions and test method | |
| CN211427149U (en) | Automatic calibration test system of data acquisition equipment | |
| CN212872810U (en) | System for detecting functions of battery management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |