CN114062888A - Automatic detection system and detection method for sampling plate of bus protection device - Google Patents
Automatic detection system and detection method for sampling plate of bus protection device Download PDFInfo
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- CN114062888A CN114062888A CN202010766822.6A CN202010766822A CN114062888A CN 114062888 A CN114062888 A CN 114062888A CN 202010766822 A CN202010766822 A CN 202010766822A CN 114062888 A CN114062888 A CN 114062888A
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- 238000001514 detection method Methods 0.000 title claims abstract description 128
- 238000005070 sampling Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2827—Testing of electronic protection circuits
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a bus protection device sampling plate automatic detection system and a detection method thereof, wherein the system comprises: the device comprises a power panel, a CPU board, a detection board, a sampling board, a back board and a display screen. The power panel provides working voltage for other board cards in the system; the CPU board is communicated with the detection board, the sampling board and the display screen to control the detection process of the whole system; the detection board communicates with the CPU board and the sampling board to generate direct current and alternating current output quantities, receives an output signal of the sampling board and judges a detection result; the sampling plate is communicated with the CPU plate and the detection plate, and analog quantity is collected, converted into digital quantity and output; the backboard provides electrical connection for other board cards in the detection system; the display screen is communicated with the CPU board and is responsible for finishing man-machine interaction in the detection process.
Description
Technical Field
The invention relates to an automatic detection system and a detection method for a sampling plate of a bus protection device in the field of relay protection.
Background
The bus protection device is a relay protection device used in a transformer substation and is used for protecting the safe operation of a bus in the transformer substation, so that the reliability of the bus protection device is very important. The protection function of the bus protection device is based on analog quantity data collected by the sampling plate, so that a sampling plate detection system needs to be developed to ensure that the function of the sampling plate meets the standards of relay protection and the power industry.
The existing sampling board testing device and method generally adopt a serial port communication mode, and the data transmission efficiency is low; the existing testing method has a complex structure and comprises the steps of setting parameters and the like which are easy to bring human interference factors.
Disclosure of Invention
The invention designs an automatic detection system for a sampling plate of a bus protection device, which aims to solve the problems of complex detection structure, low efficiency and human factors of the conventional sampling plate.
The design scheme of the invention is as follows:
an automatic detection system for a sampling plate of a bus protection device comprises: the system comprises a power panel, a CPU (central processing unit) board, a detection board, a sampling board, a back board and a display screen;
the power panel is used for providing working voltage for a CPU (central processing unit) board, a detection board, a sampling board, a back board and a display screen in the detection system;
the back plate is used for providing electrical connection for a power panel, a CPU (central processing unit) board, a detection board, a sampling board and a display screen in the detection system;
the CPU board is respectively communicated with the detection board, the sampling board and the display screen, downloads a test program to the sampling board through the backboard, sends a detection command to the detection board, receives a detection result, outputs a human-computer interaction interface to the display screen and receives an operation command of the display screen so as to control the detection process of the whole detection system;
the detection board is communicated with the CPU board and the sampling board respectively; the detection board comprises a clock module, a D/A conversion module and a central control module, wherein:
the clock module generates a clock sequence with a certain frequency to ensure that each program function of the detection board runs orderly;
the D/A conversion module converts a digital signal set in the detection board into an analog quantity and outputs the analog quantity to the sampling board through the back board;
the central control module receives the detection command of the CPU board, controls the D/A conversion module to output analog quantity, receives the digital signal of the sampling board, judges the detection result and transmits the detection result back to the CPU board.
The sampling plate is communicated with the CPU plate and the detection plate, collects analog quantity and converts the analog quantity into digital quantity for output;
and the display screen is communicated with the CPU board to finish man-machine interaction in the detection process.
Further, the method comprises the following steps:
step 1, a CPU board issues a test program to a sampling board;
step 2, the CPU board issues a detection starting command to the detection board;
step 3, the detection board receives the detection command and controls the D/A conversion module to output analog quantity;
step 4, the sampling plate collects the analog quantity in the step 3, converts the analog quantity into a digital quantity and sends the digital quantity to the detection plate;
step 5, the detection board receives the digital quantity of the sampling board, judges whether the digital quantity meets the set requirement, and sends the detection result to the CPU board;
and 6, the CPU board generates a detection report according to the detection result and sends the detection result to a display screen.
Further, the detection report includes the test items and the corresponding detection results.
Compared with the existing test method, the invention has the following beneficial effects:
(1) the whole detection process is full-automatic, only the sampling plate is required to be inserted into the detection system, the test starting menu is executed, the program is automatically executed, the detection result is displayed, the artificial interference factor is avoided, and the detection reliability and efficiency are improved;
(2) the whole detection system is simple and clear in structure, the detection board sends analog quantity, the sampling board collects the analog quantity through the back board and converts the analog quantity into digital signals to send the digital signals to the detection board, and the detection board carries out comparison and judgment on sampling data. No extra interface circuit is needed to collect the analog quantity of the sampling plate, so that intermediate links are reduced;
(3) the CPU board and the detection board are communicated by using a high-speed can bus, and the detection board and the sampling board are communicated by using an FPGA, so that the communication efficiency is high and reliable.
Drawings
FIG. 1 is a block diagram of an automatic detection system for a sampling plate of a bus protection device according to the present invention;
Detailed Description
The embodiments of the present invention are further described below with reference to the accompanying drawings, the described embodiments are some of the embodiments of the present invention, and all other embodiments obtained based on the embodiments without inventive inventions belong to the protection scope of the present invention.
With reference to fig. 1, the automatic detection system for the sampling plate of the bus protection device of the invention comprises: the device comprises a power panel, a CPU board, a detection board, a sampling board, a back board and a display screen. The power panel provides working voltage for other board cards in the system; the CPU board is communicated with the detection board, the sampling board and the display screen to control the detection process of the whole system; the detection board communicates with the CPU board and the sampling board to generate direct current and alternating current output quantities, receives an output signal of the sampling board and judges a detection result; the sampling plate is communicated with the CPU plate and the detection plate, and analog quantity is collected, converted into digital quantity and output; the backboard provides electrical connection for other board cards in the detection system; the display screen is communicated with the CPU board and is responsible for finishing man-machine interaction in the detection process.
Specifically, the backplane in this embodiment provides electrical connections for other boards in the detection system, including but not limited to: the power panel provides a connecting circuit of other board card working voltages; the CPU board is in communication connection with the detection board, the sampling board and the display screen; the detection plate is connected with the sampling channel of the sampling plate in a communication way;
the CPU board in the embodiment receives an operation instruction of the display screen; downloading a test program to the sampling plate after starting the test; issuing a detection starting command to a detection board through a high-speed can bus and receiving a detection result returned by the detection board; outputting the detection information to a display screen; and generating a detection result report.
The detection board in this embodiment includes a clock module, a D/a conversion module, and a central control module, wherein:
the clock module generates periodic signals of microsecond level, and the program of the detection board cooperatively works and orderly runs on the basis of the clock period;
the D/A conversion module mainly executes the digital-to-analog conversion function, the program comprises a set digital signal sine wave, after the detection is started, the D/A conversion module converts the set digital signal sine wave into analog quantity, the analog quantity is output to a corresponding circuit of the back plate, and the sampling plate can acquire the analog quantity through the circuit.
The central control module is a main module of the detection board, receives a command of the CPU board card through the high-speed can bus, controls the D/A conversion module to output analog quantity, receives a digital signal sent by the sampling board through the FPGA communication line, compares the digital signal with a set digital signal sine wave, and judges whether the standard of relay protection and the power industry is met. And after the judgment is finished, the result is sent to the CPU board card through the high-speed can bus.
The sampling board in this embodiment is a target object for the system test, and the core content of the board card work is the analog quantity output by the D/a conversion module of the detection board, and the analog quantity is converted into a digital signal and then output to other board cards through the FPGA line.
The detection method shown in the embodiment of the invention has a clear and simple structure, the sampling plate is inserted into the detection system, the display screen executes the menu for starting detection, the CPU board issues the detection command, the detection plate outputs the analog signal and recovers the digital signal, the detection result is judged and transmitted back to the CPU board, the CPU board outputs the detection result to the display screen, and the detection is finished.
Claims (3)
1. The utility model provides a generating line protection device sampling board automated inspection system which characterized in that includes: the system comprises a power panel, a CPU (central processing unit) board, a detection board, a sampling board, a back board and a display screen;
the power panel is used for providing working voltage for a CPU (central processing unit) board, a detection board, a sampling board, a back board and a display screen in the detection system;
the back plate is used for providing electrical connection for a power panel, a CPU (central processing unit) board, a detection board, a sampling board and a display screen in the detection system;
the CPU board is respectively communicated with the detection board, the sampling board and the display screen, downloads a test program to the sampling board through the backboard, sends a detection command to the detection board, receives a detection result, outputs a human-computer interaction interface to the display screen and receives an operation command of the display screen so as to control the detection process of the whole detection system;
the detection board is communicated with the CPU board and the sampling board respectively; the detection board comprises a clock module, a D/A conversion module and a central control module, wherein:
the clock module generates a clock sequence with a certain frequency to ensure that each program function of the detection board runs orderly;
the D/A conversion module converts a digital signal set in the detection board into an analog quantity and outputs the analog quantity to the sampling board through the back board;
the central control module receives the detection command of the CPU board, controls the D/A conversion module to output analog quantity, receives the digital signal of the sampling board, judges the detection result and transmits the detection result back to the CPU board.
The sampling plate is communicated with the CPU plate and the detection plate, collects analog quantity and converts the analog quantity into digital quantity for output;
and the display screen is communicated with the CPU board to finish man-machine interaction in the detection process.
2. The detection method of the automatic detection system of the sampling plate of the bus protection device based on the claim 1 is characterized by comprising the following steps:
step 1, a CPU board issues a test program to a sampling board;
step 2, the CPU board issues a detection starting command to the detection board;
step 3, the detection board receives the detection command and controls the D/A conversion module to output analog quantity;
step 4, the sampling plate collects the analog quantity in the step 3, converts the analog quantity into a digital quantity and sends the digital quantity to the detection plate;
step 5, the detection board receives the digital quantity of the sampling board, judges whether the digital quantity meets the set requirement, and sends the detection result to the CPU board;
and 6, the CPU board generates a detection report according to the detection result and sends the detection result to a display screen.
3. The method for automatically detecting the sampling plate of the bus bar protection device as claimed in claim 2, wherein the detection report includes test items and corresponding detection results.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010766822.6A CN114062888A (en) | 2020-08-03 | 2020-08-03 | Automatic detection system and detection method for sampling plate of bus protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010766822.6A CN114062888A (en) | 2020-08-03 | 2020-08-03 | Automatic detection system and detection method for sampling plate of bus protection device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120002788A (en) * | 2010-07-01 | 2012-01-09 | 한국전력공사 | Protection relay and method for automatic detection sampling rate using thereof |
| CN202758008U (en) * | 2012-06-14 | 2013-02-27 | 南京南瑞继保电气有限公司 | Performance testing device of trip outlet contact of relay protection device |
| CN103278764A (en) * | 2013-05-27 | 2013-09-04 | 南京南瑞继保电气有限公司 | Automatic board card detecting device of direct current power transmission control protective system |
| CN203981834U (en) * | 2014-03-16 | 2014-12-03 | 昆明铁路局科学技术研究所 | The inverter board pick-up unit of railway DC600V power supply passenger vehicle |
| US20170045570A1 (en) * | 2014-06-13 | 2017-02-16 | Mitsubishi Electric Corporation | Testing device, testing method, and program for power system protection control system |
| CN110108965A (en) * | 2019-05-27 | 2019-08-09 | 山东德佑电气股份有限公司 | Power quality controlling device sampling plate test platform and its test method |
| CN110456300A (en) * | 2019-09-17 | 2019-11-15 | 贵州电网有限责任公司 | A kind of acquisition unit detection device and method based on adaptive comparison analytical technology |
-
2020
- 2020-08-03 CN CN202010766822.6A patent/CN114062888A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120002788A (en) * | 2010-07-01 | 2012-01-09 | 한국전력공사 | Protection relay and method for automatic detection sampling rate using thereof |
| CN202758008U (en) * | 2012-06-14 | 2013-02-27 | 南京南瑞继保电气有限公司 | Performance testing device of trip outlet contact of relay protection device |
| CN103278764A (en) * | 2013-05-27 | 2013-09-04 | 南京南瑞继保电气有限公司 | Automatic board card detecting device of direct current power transmission control protective system |
| CN203981834U (en) * | 2014-03-16 | 2014-12-03 | 昆明铁路局科学技术研究所 | The inverter board pick-up unit of railway DC600V power supply passenger vehicle |
| US20170045570A1 (en) * | 2014-06-13 | 2017-02-16 | Mitsubishi Electric Corporation | Testing device, testing method, and program for power system protection control system |
| CN110108965A (en) * | 2019-05-27 | 2019-08-09 | 山东德佑电气股份有限公司 | Power quality controlling device sampling plate test platform and its test method |
| CN110456300A (en) * | 2019-09-17 | 2019-11-15 | 贵州电网有限责任公司 | A kind of acquisition unit detection device and method based on adaptive comparison analytical technology |
Non-Patent Citations (1)
| Title |
|---|
| 柳彬，等: "一种新型电源板卡一体化多功能测试平台", 船电技术, vol. 40, no. 2, 15 February 2020 (2020-02-15), pages 1 - 4 * |
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