CN102426304A - Automatic tester of direct current microcomputer protective device and testing method thereof - Google Patents
Automatic tester of direct current microcomputer protective device and testing method thereof Download PDFInfo
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- CN102426304A CN102426304A CN2011102568468A CN201110256846A CN102426304A CN 102426304 A CN102426304 A CN 102426304A CN 2011102568468 A CN2011102568468 A CN 2011102568468A CN 201110256846 A CN201110256846 A CN 201110256846A CN 102426304 A CN102426304 A CN 102426304A
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Abstract
The invention relates to an automatic tester of a direct current microcomputer protective device and a testing method thereof. The tester comprises a control module, a PLC module, a human-computer interface module, and a signal processing module. The control module is respectively connected with the PLC module, the human-computer interface module, and the signal processing module. The control module is provided with a communication interface that is used for connecting the direct current microcomputer protective device. An output terminal of the PLC module and an output terminal of the signal processing module are respectively connected with the direct current microcomputer protective device. And the communication interface includes a CAN bus interface, an ethernet interface and a third RS485 interface. Advantages of the invention are as follows: 1, the whole tester belongs to an automatic system and a whole testing flow can be completed by one key of manual work, so that working efficiency is high; 2, the testing process can be recorded in detail and a form can be generated with support for printing, so that it is convenient for technological personnel to analyze a result; and 3, eight paths of analog outputs of a control module can be programmable; and an analog quantity value with an adjustable amplitude and adjustable time can be flexibly output and a waveform that is required by detection protection can be generated.
Description
Technical field
The present invention relates to the auto testing instrument and the method for testing of direct current microcomputer protecting device, belong to orbit traffic direct current traction feeder line microcomputer protecting device technical field of measurement and test.
Background technology
Track traffic is in fast development, and the big city crowds, promotes one of important means of city strength with track traffic as transport solution.In the track traffic, the direct current microcomputer protecting device is guaranteed section breaker under the situation of feeder line failed because, plays the route protection effect.Performance and Function detection to the direct current microcomputer protecting device are the important basis that can the evaluation and test feeder line come into operation safely.But; Lack a kind of instrument that can detect DC traction feeder line microcomputer protecting device performance and function fully automatically in the market always; Detection to DC traction feeder line microcomputer protecting device is to rely on technician's manual detection that relevant knowledge is arranged basically now; Testing result seriously relies on testing staff's experience itself, and testing process is loaded down with trivial details, efficient is low.If can not effectively detect the direct current microcomputer protecting device of supply line, can not guarantee the safe operation of subway and light rail in the track traffic.
Summary of the invention
The objective of the invention is to; Lack an a kind of blank can carrying out the full-automatic testing instrument to DC traction feeder line microcomputer protecting device on the solution existing market fully, the auto testing instrument and the method for testing of the intelligent DC microcomputer protecting device that a kind of performance is comprehensive, reliability is high, easy to operate is provided.
The technical scheme of the auto testing instrument of a kind of direct current microcomputer protecting device of the present invention is: it comprises as the control module of main control module with as the PLC module of assist control module also having human-computer interface module and signal processing module; Described control module respectively with the PLC module, human-computer interface module and signal processing module connect; Control module has a communication interface that is used to connect the direct current microcomputer protecting device; The output terminal of PLC module and the output terminal of signal processing module are connected with the direct current microcomputer protecting device respectively, and said communication interface comprises CAN EBI, Ethernet interface, the 3rd RS485 interface; The PLC module is programmable logic controller (PLC) Programmable Logic Controller.
Further technical scheme is on the technique scheme basis:
The auto testing instrument of described direct current microcomputer protecting device, its control module comprise DSP, static memory, flash memory, a RS485, the 2nd RS485 interface and communication interface and A/D conversion chip and D/A conversion chip; Said DSP is connected with following device respectively: be connected with static memory and flash memory respectively through the address date control bus; Be connected with the direct current microcomputer protecting device through the CAN EBI in the communication interface or Ethernet interface or the 3rd RS485 interface; Through the CAN EBI in the communication interface or Ethernet interface or the 3rd RS485 interface connection telecommunication system; Be connected with the PLC module through a RS485 interface; Be connected with human-computer interface module through the 2nd RS485 interface, be connected with signal processing module through A/D conversion chip and D/A conversion chip respectively.
The auto testing instrument of described direct current microcomputer protecting device, its signal processing module is an analog signal processing circuit, comprises relay and pilot lamp and signal condition module; Signal processing module is used for the simulating signal of control module output is amplified and shaping.
The auto testing instrument of described direct current microcomputer protecting device, its human-computer interface module is the lcd touch display screen, is used for being provided with the test parameter of automatic testing process, shows test process.
The auto testing instrument of described direct current microcomputer protecting device, its DSP selects for use TMS320F28335 as master microprocessor, and 176 pins are arranged, and chip includes the inner FLASH of 256k, 8 32 bit timing devices, 3 general serial mouths, also has 2 CAN controllers; Use external crystal-controlled oscillation, maximum clock frequency 150M extends out 512k capacity RAM, 512k capacity FLASH.
The auto testing instrument of described direct current microcomputer protecting device, its DSP are digital signal processor Digital Signal Processor; The A/D conversion chip is a modulus conversion chip, and the D/A conversion chip is an analog-digital chip.
The method and technology scheme that a kind of auto testing instrument that uses direct current microcomputer protecting device of the present invention is tested; The steps include: at first to configure parameter through man-machine interface; Automatically send analog and digital signal; Obtain direct current microcomputer protecting device corresponding data to be measured according to communications protocol from communication interface then, the data that analog and digital signal that sends and communication are fetched are relatively made test result automatically; This test result comprises analog part, switching value part, the protection partial test conclusion of test direct current microcomputer protecting device.
Obvious technical effects of the present invention: 1, whole tester belongs to fully automatic system, and an artificial key can be accomplished whole testing process, high efficiency; 2, test process can be made things convenient for technician's analysis result by detail record; 3, control module 8 tunnel analog quantitys output is able to programme, flexibly output amplitude, analog value that the time is adjustable and generate and detect the desired waveform of protection.
Description of drawings
Fig. 1 is the auto testing instrument system architecture diagram of direct current microcomputer protecting device of the present invention.
Fig. 2 is the theory diagram of control module 1.
Fig. 3 is that DSP 8 is connected synoptic diagram with direct current microcomputer protecting device 001 and telecommunication system.
Fig. 4 is the theory diagram of signal processing module 4.
Among the figure: 1-control module, 2-PLC module, 3-human-computer interface module, 4-signal processing module; 8-DSP, 9-static memory, 10-flash memory, 11-the one RS485 interface; 12-the 2nd RS485 interface, 13-communication interface, 13.1-CAN EBI, 13.2-Ethernet interface; 13.3-the 3rd RS485 interface, 14-A/D conversion chip, 15-D/A conversion chip, 16-relay; The 17-pilot lamp, 18-signal condition module, 001-direct current microcomputer protecting device.
Embodiment
Pass through instance below, and combine accompanying drawing, do further bright specifically the auto testing instrument of direct current microcomputer protecting device of the present invention.
Like Fig. 1,2,3, shown in 4: a kind of auto testing instrument of direct current microcomputer protecting device, it has one as the control module 1 of main control module with as the PLC module 2 of assist control module, also has human-computer interface module 3 and signal processing module 4; Described control module 1 respectively with PLC module 2, human-computer interface module 3 and signal processing module 4 connects; Control module 1 has a communication interface 13 that is used to connect direct current microcomputer protecting device 001; The output terminal of the output terminal of PLC module 2 and signal processing module 4 is connected with direct current microcomputer protecting device 001 respectively, and said communication interface 13 comprises CAN EBI 13.1, Ethernet interface 13.2, the 3rd RS485 interface 13.3; PLC module 2 is programmable logic controller (PLC) Programmable Logic Controller.Described control module 1 comprises DSP8, static memory 9, flash memory 10, a RS48511, the 2nd RS485 interface 12 and communication interface 13 and A/D conversion chip 14 and D/A conversion chip 15; Said DSP8 is connected with following device respectively: be connected with static memory 9 and flash memory 10 respectively through the address date control bus; Be connected with direct current microcomputer protecting device 001 through the CAN EBI in the communication interface 13 13.1 or Ethernet interface 13.2 or the 3rd RS485 interface 13.3; Through the CAN EBI in the communication interface 13 13.1 or Ethernet interface 13.2 or the 3rd RS485 interface 13.3 connection telecommunication systems; Be connected with PLC module 2 through a RS485 interface 11; Be connected with human-computer interface module 3 through the 2nd RS485 interface 12; Be connected with signal processing module 4 through A/D conversion chip 14 and D/A conversion chip 15 respectively, promptly be connected with signal processing module 4 one ends, be connected with signal processing module 4 other ends through D/A conversion chip 15 through A/D conversion chip 14.Described signal processing module 4 is an analog signal processing circuit, comprises relay 16 and pilot lamp 17 and signal condition module 18, and this signal condition module 18 is the signal conditioning circuit module; Signal processing module 4 is used for the simulating signal of control module 1 output is amplified and shaping.Described human-computer interface module 3 is the lcd touch display screen, is used for being provided with the test parameter of automatic testing process, shows test process.Described DSP8 selects for use TMS320F28335 as master microprocessor, and 176 pins are arranged, and chip includes the inner FLASH of 256k, 8 32 bit timing devices, 3 general serial mouths, also has 2 CAN controllers; Use external crystal-controlled oscillation, maximum clock frequency 150M extends out 512k capacity RAM, 512k capacity FLASH.Described DSP8 is digital signal processor Digital Signal Processor; A/D conversion chip 14 is a modulus conversion chip, and D/A conversion chip 15 is an analog-digital chip.As shown in Figure 4: described signal processing module 4 is an analog signal processing circuit, comprises relay 16 and pilot lamp 17 and signal condition module 18; Signal processing module 4 is used for the simulating signal of control module 1 output is amplified and shaping.
The method and technology scheme of using the auto testing instrument of direct current microcomputer protecting device of the present invention to test; The steps include: at first to configure parameter through man-machine interface; Automatically send analog and digital signal; Obtain direct current microcomputer protecting device 001 corresponding data to be measured according to communications protocol from communication interface 13 then, the data that analog and digital signal that sends and communication are fetched are relatively made test result automatically; This test result comprises analog part, switching value part, the protection partial test conclusion of test direct current microcomputer protecting device 001.
Above-mentioned specific embodiments and principle and effect are illustrated further as follows:
In the present invention, can be through a plurality of output quantities of PLC module 2 expansions, the relay 16 in the signal processing module 4 also can be according to being expanded by the actual conditions of checking device.
The present invention can realize opening the detection into the amount of leaving according to the situation of the seized direct current microcomputer protecting device 001 of reality; The detection of analog channel precision; The detection of the defencive function of direct current microcomputer protecting device 001 (generally can realize the detection of DDL protection, Imax+ protection, Imax++ protection, Imax-protection, Imax-protection, under-voltage protection, overvoltage protection, heat protection, impedance protection); The detection of the control function of direct current microcomputer protecting device 001 (generally can realize the detection of line test, reclosing, couplet jumping, circuit-breaker switching on-off, isolation knife divide-shut brake control function).
Although this paper has used terms such as control module 1, PLC module 2, human-computer interface module 3, signal processing module 4, DSP 8, static memory 9, flash memory 10, D/A conversion chip 15, a RS485 interface 11, the 2nd RS485 interface 12, the 3rd RS485 interface 13.3, communication interface 13, A/D conversion chip 14 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily.
Claim protection domain of the present invention is not limited to the foregoing description.
Claims (7)
1. the auto testing instrument of a direct current microcomputer protecting device is characterized in that, comprise as main control module control module (1) and as the PLC module (2) of assist control module, also have human-computer interface module (3) and signal processing module (4); Described control module (1) respectively with PLC module (2), human-computer interface module (3) and signal processing module (4) connect; Control module (1) has a communication interface (13) that is used to connect direct current microcomputer protecting device (001); The output terminal of the output terminal of PLC module (2) and signal processing module (4) is connected with direct current microcomputer protecting device (001) respectively, and said communication interface (13) comprises CAN EBI (13.1), Ethernet interface (13.2), the 3rd RS485 interface (13.3); PLC module (2) is programmable logic controller (PLC) Programmable Logic Controller.
2. the auto testing instrument of direct current microcomputer protecting device according to claim 1; It is characterized in that described control module (1) comprises DSP (8), static memory (9), flash memory (10), a RS485 (11), the 2nd RS485 interface (12) and communication interface (13) and A/D conversion chip (14) and D/A conversion chip (15); Said DSP (8) is connected with following device respectively: be connected with static memory (9) and flash memory (10) respectively through the address date control bus; Be connected with direct current microcomputer protecting device (001) through the CAN EBI (13.1) in the communication interface (13) or Ethernet interface (13.2) or the 3rd RS485 interface (13.3); Through the CAN EBI (13.1) in the communication interface (13) or Ethernet interface (13.2) or the 3rd RS485 interface (13.3) connection telecommunication system; Be connected with PLC module (2) through a RS485 interface (11); Be connected with human-computer interface module (3) through the 2nd RS485 interface (12), be connected with signal processing module (4) through A/D conversion chip (14) and D/A conversion chip (15) respectively.
3. the auto testing instrument of direct current microcomputer protecting device according to claim 1 is characterized in that, described signal processing module (4) is an analog signal processing circuit, comprises relay (16) and pilot lamp (17) and signal condition module (18); Signal processing module (4) is used for the simulating signal of control module (1) output is amplified and shaping.
4. according to the auto testing instrument of claim 1 or 2 or 3 described direct current microcomputer protecting devices, it is characterized in that described human-computer interface module (3) is the lcd touch display screen, is used for being provided with the test parameter of automatic testing process, show test process.
5. the auto testing instrument of direct current microcomputer protecting device according to claim 2; It is characterized in that; Described DSP (8) selects for use TMS320F28335 as master microprocessor; 176 pins are arranged, and chip includes the inner FLASH of 256k, 8 32 bit timing devices, 3 general serial mouths, also has 2 CAN controllers; Use external crystal-controlled oscillation, maximum clock frequency 150M extends out 512k capacity RAM, 512k capacity FLASH.
6. the auto testing instrument of direct current microcomputer protecting device according to claim 2 is characterized in that, said DSP (8) is digital signal processor Digital Signal Processor; A/D conversion chip (14) is a modulus conversion chip, and D/A conversion chip (15) is an analog-digital chip.
7. method that the auto testing instrument that uses the described direct current microcomputer protecting device of above-mentioned arbitrary claim is tested; It is characterized in that; Step is: at first configure parameter through man-machine interface, send analog and digital signal automatically, obtain direct current microcomputer protecting device to be measured (001) corresponding data according to communications protocol from communication interface (13) then; The data that analog and digital signal that sends and communication are fetched are relatively made test result automatically; This test result comprises analog part, switching value part, the protection partial test conclusion of test direct current microcomputer protecting device (001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110256846.8A CN102426304B (en) | 2011-09-01 | 2011-09-01 | Automatic tester of direct current microcomputer protective device and testing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110256846.8A CN102426304B (en) | 2011-09-01 | 2011-09-01 | Automatic tester of direct current microcomputer protective device and testing method thereof |
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| CN102426304A true CN102426304A (en) | 2012-04-25 |
| CN102426304B CN102426304B (en) | 2014-03-12 |
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| CN201110256846.8A Expired - Fee Related CN102426304B (en) | 2011-09-01 | 2011-09-01 | Automatic tester of direct current microcomputer protective device and testing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901288A (en) * | 2012-12-26 | 2014-07-02 | 浙江海得新能源有限公司 | PLC automated single board test platform and method |
| CN104345231A (en) * | 2013-07-24 | 2015-02-11 | 爱德万测试公司 | High speed tester communication interface between test slice and trays |
| CN105334794A (en) * | 2015-11-09 | 2016-02-17 | 重庆金鑫智慧科技有限公司 | Intelligent building management system |
| CN106227065A (en) * | 2016-09-06 | 2016-12-14 | 南京大全自动化科技有限公司 | A kind of microcomputer protective relay device simulation system |
| CN109709416A (en) * | 2018-12-11 | 2019-05-03 | 南京南瑞继保电气有限公司 | A kind of subway direct current test apparatus and test method |
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2011
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201435600Y (en) * | 2009-03-31 | 2010-03-31 | 上海致达智利达系统控制有限责任公司 | Urban railway traffic DC traction power supply system microcomputer protection and measurement and control unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901288A (en) * | 2012-12-26 | 2014-07-02 | 浙江海得新能源有限公司 | PLC automated single board test platform and method |
| CN103901288B (en) * | 2012-12-26 | 2017-04-26 | 浙江海得新能源有限公司 | PLC automated single board test platform and method |
| CN104345231A (en) * | 2013-07-24 | 2015-02-11 | 爱德万测试公司 | High speed tester communication interface between test slice and trays |
| CN104345231B (en) * | 2013-07-24 | 2019-09-10 | 爱德万测试公司 | High speed test machine communication interface between testing piece and pallet |
| CN105334794A (en) * | 2015-11-09 | 2016-02-17 | 重庆金鑫智慧科技有限公司 | Intelligent building management system |
| CN106227065A (en) * | 2016-09-06 | 2016-12-14 | 南京大全自动化科技有限公司 | A kind of microcomputer protective relay device simulation system |
| CN109709416A (en) * | 2018-12-11 | 2019-05-03 | 南京南瑞继保电气有限公司 | A kind of subway direct current test apparatus and test method |
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| CN102426304B (en) | 2014-03-12 |
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Granted publication date: 20140312 |