CN106019075A - Intelligent fuse test system - Google Patents
Intelligent fuse test system Download PDFInfo
- Publication number
- CN106019075A CN106019075A CN201610510335.7A CN201610510335A CN106019075A CN 106019075 A CN106019075 A CN 106019075A CN 201610510335 A CN201610510335 A CN 201610510335A CN 106019075 A CN106019075 A CN 106019075A
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- China
- Prior art keywords
- fuse
- current
- pressure injection
- module
- test system
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/74—Testing of fuses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuses (AREA)
Abstract
The invention relates to an intelligent fuse test system. The intelligent fuse test system includes a test and control center module, a time-current device module and a high-pressure jet fuse module; the test and control center module includes a computer, a printer and a USB-RS485 converter; the time-current device module includes a constant current source, a current detection device, a hardware timer and a current transformer; and the high-pressure jet fuse module comprises a high-pressure jet fuse holder, a contactor, a bracket and a current line, wherein current line is used for replacing a fuse in the high-pressure jet fuse holder so as to simulate the fusing state of the fuse when the contactor is switched off under control. When current exists in the system, the current detection device detects the current, the timer is triggered to carry out timing through a line 1; and after the fuse is fused, the current detection device cannot detect the current, the timer is triggered to stop timing through a line 2. The intelligent fuse test system of the present invention is not affected by the magnitude and fluctuation of the current and is simple and reliable. With the intelligent fuse test system adopted, time from a time point when test current is loaded to the fuse to a time point when the fuse is fused can be obtained accurately, and whether the fuse is qualified is judged.
Description
Technical field
The present invention relates to fuse technical field of measurement and test, a kind of intelligence fuse test system.
Background technology
Being configured with a large amount of high-pressure injection fuse (drop switch) in power system, whether fuse parameter meets manufactures and designs requirement, determines Operation of Electric Systems reliability.For ensureing safe operation of electric network, user must check the time-current characteristic of fuse.
In prior art, generally using Microcomputer Protection tester to carry out fuse test, relay protection tester cannot export big electric current, and cost intensive；And using pressure regulator, current lifting device scheme, it is longer that liter flow to the experiment value time, it is impossible to test the fuse that fusing time is less, and current precision is low.Additionally needing many grades of output electric currents, the multiple CT of adapted carries out multi-range measurement, there is CT open circuit hidden danger；During up-flow, fuse band in advance carries and causes heat accumulation, affects result of the test, it is impossible to carry out intelligent measuring control.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of intelligence fuse test system, detection current range is big, not by size of current change and influence of fluctuations, simple and reliable device.
nullThe object of the present invention is achieved like this: intelligence fuse test system，Including measurement and control center's module、Time m-current device module and high-pressure injection fuse module，Described measurement and control center module includes computer and USB-RS485 changer，Time described, m-current device module includes constant current supply、Current sensing means、Hardware timer summation current transformer，Described high-pressure injection fuse module includes high-pressure injection fuse and support，Described computer is connected with described constant current supply and described hardware timer respectively by USB-RS485 changer，Described hardware timer is connected by circuit 1 and circuit 2 respectively with current sensing means，Described constant current supply outfan is connected with described high-pressure injection fuse input，Described high-pressure injection fuse outfan is connected by load line with constant current supply input，Described current sensing means is connected with high-pressure injection fuse outfan by current transformer.
Described measurement and control center module also includes printer.
Described computer includes data base and supervising software.
Described high-pressure injection fuse module also includes that catalyst, described catalyst are serially connected on load line.
Described high-pressure injection fuse module also includes electric current line, and described electric current line fuse within replacing high-pressure injection fuse base, control contactor disconnects, to simulate fuse failure state.
Native system has self-inspection and conventional fuse test two states.
System self-test: the most normal for the permanent power supply of test, timer and Surveillance center, it is to avoid fuse is lost, can enter replace fuse in high-pressure injection fuse fusion tube traditional thread binding for electric current, close catalyst.Using measurement and control center's firing test, export electric current, can manually disconnect catalyst, simulation fuse failure terminates test.Measurement and control center calculates the information such as function return current persistent period, size of current, so whole system can be carried out self-inspection assessment.
Fuse is tested: fuse to be measured is loaded in high-pressure injection fuse fusion tube, closes catalyst, then with measurement and control center's computer starting test, waits that fuse failure terminates test automatically.
It is an advantage of the current invention that: after using said structure, using high power constant-current source, output AC current range is big (0-400,0-1000A, 0-2000A etc. are optional), and load capacity is high, and current precision is high, and fuse load test electric current is accurately, rapidly；Digitized arranges constant-current source output electric current, frequency, timer reset etc.；Current sensing means detection current range is big, not by size of current change and influence of fluctuations, simple and reliable；Coordinate specialized hardware timer, accurately detect current duration (fuse failure time), time maximum error 10ms；The upper software of coupled computer, it is achieved intelligence test；Electricity consumption streamline replaces the fuse in high-pressure injection fuse base, decreases the consumption of fuse.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Intelligence fuse test system, including measurement and control center's module, time m-current device module and high-pressure injection fuse module, measurement and control center's module includes computer, USB-RS485 changer and printer, includes data base and supervising software in computer；Time m-current device module include constant current supply, current sensing means, hardware timer summation current transformer；High-pressure injection fuse module includes high-pressure injection fuse, support；Computer is connected with described constant current supply and described hardware timer respectively by USB-RS485 changer, described hardware timer is connected by circuit 1 and circuit 2 respectively with current sensing means, described constant current supply outfan is connected with described high-pressure injection fuse input, described high-pressure injection fuse outfan is connected with constant current supply input, and described current sensing means is connected with catalyst outfan by current transformer.
Native system has a following functions:
Computer can carry out Test Information setting, constant-current source parameter is arranged, start and stop, timer reset, reading clocking value, fuse time-current characteristic point inserts, deletes, edits, Test Information storage, inquiry, Print Preview and printing etc., supervising software can arrange, monitor constant-current source output electric current in real time, controls constant-current source start and stop and involution, reading Millisecond hardware timer data.
Fuse is tested:
In high-pressure injection fuse, load fuse to be tried, and close catalyst.
First reading fuse time-current characteristic point from data base according to information such as fuse specification, suppliers, after carrying out curve fitting, before obtaining the fuse minimum arc under current test electric current, movement time is as judging basis of time.
Then carry out constant-current source parameter setting according to electric current, the frequency data of user setup, reset enumerator.
Start constant-current source operation by computer software to test.
When there being electric current on fuse, the big electric current on circuit is converted to small area analysis and is transported to current sensing means by current transformer, and current sensing means exports passive null node triggering timing device timing by circuit 1；Working as fuse failure, current sensing means can't detect electric current, exports passive null node triggering timing device by circuit 2 and stops；Computer now can obtain accurately from the time of fuse load test electric current to fuse failure, determines time-current characteristic point before the minimum arc that fuse is actual, it is judged that fuse is the most qualified.Computer automatically generates test report, and stores.
System self-test:
For saving fuse, it is to avoid waste, can load electric current line and replace fuse, be closed at catalyst in high-pressure injection fuse, after loading current certain time, control contactor disconnects, and simulates fuse failure, other step ibid " fuse test ".
It is last that it is noted that obviously above-described embodiment is only for clearly demonstrating the application example, and not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And among the obvious change thus amplified out or the variation protection domain still in the application type.
Claims (6)
- null1. intelligence fuse test system，It is characterized in that，Including measurement and control center's module、Time m-current device module and high-pressure injection fuse module，Described measurement and control center module includes computer and USB-RS485 changer，Time described, m-current device module includes constant current supply、Current sensing means、Hardware timer summation current transformer，Described high-pressure injection fuse module includes high-pressure injection fuse and support，Described computer is connected with described constant current supply and described hardware timer respectively by USB-RS485 changer，Described hardware timer is connected by circuit 1 and circuit 2 respectively with current sensing means，Described constant current supply outfan is connected with described high-pressure injection fuse input，Described high-pressure injection fuse outfan is connected by load line with constant current supply input，Described current sensing means is connected with high-pressure injection fuse outfan by current transformer.
- Intelligence fuse test system the most according to claim 1, it is characterised in that described measurement and control center module also includes printer, and described printer connects on computers.
- Intelligence fuse test system the most according to claim 1, it is characterized in that, described computer includes data base and supervising software, described supervising software is used for arranging, monitoring constant current source output electric current in real time, controls constant current source start and stop, involution and reading hardware timer data.
- Intelligence fuse test system the most according to claim 1, it is characterised in that described high-pressure injection fuse module also includes that catalyst, described catalyst are serially connected on load line.
- Intelligence fuse test system the most according to claim 1, it is characterised in that described hardware timer timing is Millisecond.
- Intelligence fuse test system the most according to claim 4, it is characterized in that, described high-pressure injection fuse module also includes electric current line, described electric current line fuse within replacing high-pressure injection fuse base, after catalyst is disconnected, to simulate fuse failure state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510335.7A CN106019075A (en) | 2016-07-01 | 2016-07-01 | Intelligent fuse test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510335.7A CN106019075A (en) | 2016-07-01 | 2016-07-01 | Intelligent fuse test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106019075A true CN106019075A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610510335.7A Pending CN106019075A (en) | 2016-07-01 | 2016-07-01 | Intelligent fuse test system |
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| Country | Link |
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| CN (1) | CN106019075A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772024A (en) * | 2017-03-13 | 2017-05-31 | 东莞市广安电气检测中心有限公司 | A kind of fuse technologies parameter detection device and its detection method |
| CN108845252A (en) * | 2018-08-23 | 2018-11-20 | 浙江方圆电气设备检测有限公司 | A kind of automobile fuse performance detection device |
| CN112305465A (en) * | 2020-09-23 | 2021-02-02 | 中国电力科学研究院有限公司 | Measuring system and measuring method for determining fusing state of fuse in high-voltage capacitor |
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| CN202305728U (en) * | 2011-10-27 | 2012-07-04 | 襄阳达安汽车检测中心 | Test bench for detecting fusing characteristic of automobile circuit fuse |
| CN202421365U (en) * | 2011-12-14 | 2012-09-05 | 中国广东核电集团有限公司 | Reliability detecting device of miniature fuse used for nuclear power station |
| CN103887888A (en) * | 2014-04-17 | 2014-06-25 | 胡波 | Fuse protector on-line monitoring system |
| CN103985617A (en) * | 2014-06-04 | 2014-08-13 | 苏州市南光电器有限公司 | Intelligent fuse |
| CN104793130A (en) * | 2015-03-25 | 2015-07-22 | 国家电网公司 | On-line monitoring system for fuse |
| US20150369852A1 (en) * | 2014-06-20 | 2015-12-24 | Kabushiki Kaisha Yaskawa Denki | Power conversion apparatus, status detection device, and method for status detection |
| CN205941773U (en) * | 2016-07-01 | 2017-02-08 | 山东百川电气科技有限公司 | Intelligence fuse test system |
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2016
- 2016-07-01 CN CN201610510335.7A patent/CN106019075A/en active Pending
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| CN202305728U (en) * | 2011-10-27 | 2012-07-04 | 襄阳达安汽车检测中心 | Test bench for detecting fusing characteristic of automobile circuit fuse |
| CN102426322A (en) * | 2011-11-01 | 2012-04-25 | 新泰市供电公司 | Fuse member ampere-second characteristic tester |
| CN202421365U (en) * | 2011-12-14 | 2012-09-05 | 中国广东核电集团有限公司 | Reliability detecting device of miniature fuse used for nuclear power station |
| CN103887888A (en) * | 2014-04-17 | 2014-06-25 | 胡波 | Fuse protector on-line monitoring system |
| CN103985617A (en) * | 2014-06-04 | 2014-08-13 | 苏州市南光电器有限公司 | Intelligent fuse |
| US20150369852A1 (en) * | 2014-06-20 | 2015-12-24 | Kabushiki Kaisha Yaskawa Denki | Power conversion apparatus, status detection device, and method for status detection |
| CN104793130A (en) * | 2015-03-25 | 2015-07-22 | 国家电网公司 | On-line monitoring system for fuse |
| CN205941773U (en) * | 2016-07-01 | 2017-02-08 | 山东百川电气科技有限公司 | Intelligence fuse test system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772024A (en) * | 2017-03-13 | 2017-05-31 | 东莞市广安电气检测中心有限公司 | A kind of fuse technologies parameter detection device and its detection method |
| CN108845252A (en) * | 2018-08-23 | 2018-11-20 | 浙江方圆电气设备检测有限公司 | A kind of automobile fuse performance detection device |
| CN108845252B (en) * | 2018-08-23 | 2024-02-02 | 浙江方圆电气设备检测有限公司 | Automobile fuse performance detection device |
| CN112305465A (en) * | 2020-09-23 | 2021-02-02 | 中国电力科学研究院有限公司 | Measuring system and measuring method for determining fusing state of fuse in high-voltage capacitor |
| CN112305465B (en) * | 2020-09-23 | 2023-07-21 | 中国电力科学研究院有限公司 | Measuring system and measuring method for determining fusing state of fuse wire in high-voltage capacitor |
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Application publication date: 20161012 |