CN103630818B - A kind of Multi-functional portable IGCT tester and method of testing thereof - Google Patents
A kind of Multi-functional portable IGCT tester and method of testing thereof Download PDFInfo
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- CN103630818B CN103630818B CN201310625808.4A CN201310625808A CN103630818B CN 103630818 B CN103630818 B CN 103630818B CN 201310625808 A CN201310625808 A CN 201310625808A CN 103630818 B CN103630818 B CN 103630818B
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Abstract
A kind of Multi-functional portable IGCT tester of offer and method of testing thereof are provided, including insulation crust and detection circuit, detection circuit is by display lamp a, DC source, single-pole double-throw switch (SPDT) and 51 resistance are sequentially connected in series, DC source and display lamp a are in parallel with alternating current power supply series circuit, method of testing is by arranging the integrity detection and di/dt parameter detecting connecting detection pen detection IGCT to be measured, the tester wiring of the present invention is simple, simple operation, differentiate directly perceived, machine volume is little, easy to carry, it is capable of the periodic detection of IGCT, equipment cost is low, market potential is huge, should be widely promoted application.
Description
Technical field
The invention belongs to IGCT performance detection technique field, particularly relate to a kind of Multi-functional portable IGCT tester and method of testing thereof.
Background technology
IGCT is widely used in the rectifying installation of the industries such as electric power because having the advantages such as pressure height, capacity is big, volume is little, along with IGCT progressively expands in the application in the fields such as all kinds of high-power induction heating powers, converter, alternating-current switch, motor control, pulse power, the reliability of thyristor device is had higher requirement by increasing user, therefore be required to the reliability to IGCT and carry out detection quickly and easily, measure content and be mainly that IGCT is the most intact and performance parameter di/dt.
The intact performance of IGCT detects, and the commonly used circuit tester of traditional method is tested, and needs to concatenate aneroid battery, to improve trigger voltage, complex operation in the black pen of circuit tester, waste time and energy and take a lot of work, have a strong impact on work efficiency and power supply reliability during detection.
Di/dt causes turn on thyristors to burn as an important parameter of IGCT unfailing performance, the too high meeting of numerical value, although IGCT can give a di/dt parameter when dispatching from the factory, but after IGCT uses a period of time, infringement can be produced, it is impossible to guarantee long-term reliability, adjust in time.And existing method of testing, need the equipment of specialty to measure, or utilize the circuit of complicated high cost, therefore the test device that one low cost of design is easy to use.
Summary of the invention
The invention aims to make up the deficiencies in the prior art, a kind of Multi-functional portable IGCT tester and method of testing thereof are provided, this tester wiring is simple, simple operation, it determines directly perceived, machine volume is little, easy to carry, it is possible to realize the periodic detection of IGCT, equipment cost is low, market potential is huge, and should be widely promoted application.
Be the technical scheme is that by realizing the purpose of the present invention
The present invention provides a kind of Multi-functional portable IGCT tester, including insulation crust and detection circuit, described detection circuit is display lamp a, DC source, single-pole double-throw switch (SPDT) and 51 resistance to be sequentially connected in series, yellow line is drawn between described 51 resistance and described single-pole double-throw switch (SPDT), the other end draws red line, and described display lamp a one end is connected with DC source, and the other end arranges black line, described 3 lines red, yellow, black are drawn respectively and are swept outside insulation crust, reconnect detection pen；
Described DC source and display lamp a are in parallel with alternating current power supply series circuit, and described alternating current power supply series circuit is sequentially connected in series display lamp b, alternating current power supply, parallel resistance, and described parallel resistance is that slide rheostat is in parallel with a resistor；
Select use DC source or use alternating current power supply by described single-pole double-throw switch (SPDT)；
A Yu b in described display lamp a and display lamp b is only for distinguishing installation site, and character is identical.
The method of testing of described Multi-functional portable IGCT tester, comprises the following steps:
1. integrity detection: selecting to use DC source by single-pole double-throw switch (SPDT), the red line of tester and black line are first coupled with anode and the negative electrode of IGCT to be measured, yellow line does not connects；If now display lamp a is luminous, the most tested IGCT is bad；If display lamp a is the most luminous, the control pole that yellow line moment touches IGCT the most to be measured is left at once, and display lamp a is the most luminous, then element is good.If moment connect control pole rear indicator light a the most luminous or only when yellow line connects just luminescence, yellow line extinguishes after leaving the most immediately, illustrates that element is bad；
2. di/dt parameter detecting: select to use alternating current power supply by single-pole double-throw switch (SPDT), adjust the resistance value of slide rheostat, electric current required for acquisition, the red line of tester and black line being coupled with anode and the negative electrode of IGCT to be measured, the control that yellow line moment touches IGCT the most to be measured is left the most afterwards, when touching, display lamp b is luminous, cross a little meeting youngster after leaving to extinguish, illustrating that IGCT to be measured can bear set electric current and touch the time, i.e. reach required di/dt, product is qualified.
The step of described method of testing 1. in, as judging further the foundation of integrity, can be by the bright dark degree of viewing lamp a, its on state characteristic can be differentiated, after IGCT is triggered conducting, the brightness of display lamp, as brightness during anode and cathode two line short circuit, illustrates that its forward characteristic is fine；If partially dark, then illustrate that its forward conduction characteristic is poor.
Described DC source selects 3V ~ 5V, and it is sinusoidal wave that alternating current power supply preferably selects 30V ~ 40V, 50HZ；
The step of described method of testing 2. in, required electric current is the time of touching with IGCT to be measured required for the product of di/dt parameter value that reaches；
Described step 2. in every time the time of touching be 3s.
IGCT tester of the present invention, described DC source selects 3V ~ 5V, and it is sinusoidal wave that alternating current power supply preferably selects 30V ~ 40V, 50HZ, reduces and opens the turn-off time, and the time of touching is 3s every time, it is possible to effectively reduce error；In detection circuit, select 51 resistance to ensure that correct triggering, extend the burst length on IGCT, reduce the instantaneous voltage damage to IGCT in test process；
Wiring of the present invention is simple, simple operation, it determines directly perceived, machine volume is little, easy to carry, it is possible to realize the periodic detection of IGCT, and equipment cost is low, and market potential is huge, and should be widely promoted application.
Accompanying drawing explanation
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is the Multi-functional portable IGCT tester structure figure of the present invention.
Detailed description of the invention
Embodiment
As shown in Figure 1, the Multi-functional portable IGCT tester that the present invention provides, including insulation crust and detection circuit, described detection circuit is by display lamp a(L1), DC source (DC), single-pole double-throw switch (SPDT) (S) and 51 resistance (R1) are sequentially connected in series, yellow line is drawn between described 51 resistance (R1) and described single-pole double-throw switch (SPDT) (S), the other end draws red line, described display lamp a(L1) one end is connected with DC source (DC), the other end arranges black line, described red, yellow, black 3 lines are drawn respectively and are swept outside insulation crust, reconnect detection pen, described line is a line of detection pen；
Described DC source (DC) and display lamp a(L1) in parallel with alternating current power supply (AC) series circuit, described alternating current power supply (AC) series circuit is sequentially connected in series display lamp b(L2), alternating current power supply (AC), parallel resistance, described parallel resistance is that slide rheostat (R2) is in parallel with resistance (R3)；
Select use DC source (DC) or use alternating current power supply (AC) by described single-pole double-throw switch (SPDT) (S)；
Described display lamp a(L1) with display lamp b(L2) in a Yu b only for differentiation installation site, character is identical.
The method of testing of described Multi-functional portable IGCT tester, comprises the following steps:
1. integrity detection: select to use DC source (DC) by single-pole double-throw switch (SPDT) (S), DC source (DC) selects 3V ~ 5V, and the red line of tester and black line are first coupled with anode and the negative electrode of IGCT to be measured, and yellow line does not connects；If now display lamp a(L1) luminous, the most tested IGCT is bad；If display lamp a(L1) the most luminous, the control pole that yellow line moment touches IGCT the most to be measured is left at once, display lamp a(L1) always luminous, then element is good.If meeting control pole rear indicator light a(L1 in moment) the most luminous or only just luminous when yellow line connects, yellow line extinguishes after leaving the most immediately, illustrates that element is bad.
Judge integrity further: viewing lamp a(L1 can be passed through) bright dark degree, its on state characteristic can be differentiated, when IGCT be triggered conducting after, display lamp a(L1) brightness as brightness during anode and cathode two line short circuit, illustrate that its forward characteristic is fine；If partially dark, then illustrate that its forward conduction characteristic is poor.
2. di/dt parameter detecting: selecting to use alternating current power supply (AC) by single-pole double-throw switch (SPDT) (S), it is sinusoidal wave that alternating current power supply (AC) preferably selects 30V ~ 40V, 50HZ；Adjust the resistance value of slide rheostat (R2), electric current required for acquisition, the red line of tester and black line are coupled with anode and the negative electrode of IGCT to be measured, the control that yellow line moment touches 3s IGCT to be measured is left the most afterwards, display lamp b(L2 when touching) luminous, cross a little meeting youngster after leaving and extinguish, illustrate that IGCT to be measured can bear set electric current and touch the time, i.e. reaching required di/dt, product is qualified.
Required electric current, is the product of the di/dt parameter value reached required for the time of touching and IGCT to be measured；
In use, the di/dt parameter value reached required for IGCT to be measured, it is proposed that it is rich, as the di/dt value produced in IGCT after circuit ON that the di/dt parameter value reached according to circuit requirement IGCT adds some.
Claims (3)
1. the method for testing of a Multi-functional portable IGCT tester, its Multi-functional portable IGCT tester used, including insulation crust and detection circuit, described detection circuit is display lamp a, DC source, single-pole double-throw switch (SPDT) and 51 resistance to be sequentially connected in series, yellow line is drawn between described 51 resistance and described single-pole double-throw switch (SPDT), the other end draws red line, described display lamp a one end is connected with DC source, the other end arranges black line, described 3 lines red, yellow, black are drawn outside insulation crust respectively, reconnect detection pen；Described DC source and display lamp a are in parallel with alternating current power supply series circuit, and described alternating current power supply series circuit is sequentially connected in series display lamp b, alternating current power supply, parallel resistance, and described parallel resistance is that slide rheostat is in parallel with a resistor；Select use DC source or use alternating current power supply by described single-pole double-throw switch (SPDT)；It is characterized in that:
Comprise the following steps:
1. integrity detection: selecting to use DC source by single-pole double-throw switch (SPDT), the red line of tester and black line are first coupled with anode and the negative electrode of IGCT to be measured, yellow line does not connects；If now display lamp a is luminous, the most tested IGCT is bad；If display lamp a is the most luminous, the control pole that yellow line moment touches IGCT the most to be measured is left at once, and display lamp a is the most luminous, then element is good；
If moment connect control pole rear indicator light a the most luminous or only when yellow line connects just luminescence, yellow line extinguishes after leaving the most immediately, illustrates that element is bad；
2. di/dt parameter detecting: select to use alternating current power supply by single-pole double-throw switch (SPDT), adjust the resistance value of slide rheostat, electric current required for acquisition, the red line of tester and black line being coupled with anode and the negative electrode of IGCT to be measured, the control that yellow line moment touches IGCT the most to be measured is left the most afterwards, when touching, display lamp b is luminous, cross a little meeting youngster after leaving to extinguish, illustrating that IGCT to be measured can bear set electric current and touch the time, i.e. reach required di/dt, product is qualified.
2. the method for testing of Multi-functional portable IGCT tester as claimed in claim 1, it is characterised in that:
The step of described method of testing 1. in, as judging further the foundation of integrity, can be by the bright dark degree of viewing lamp a, its on state characteristic can be differentiated, after IGCT is triggered conducting, the brightness of display lamp, as brightness during anode and cathode two line short circuit, illustrates that its forward characteristic is fine；If partially dark, then illustrate that its forward conduction characteristic is poor.
3. the method for testing of Multi-functional portable IGCT tester as claimed in claim 1, it is characterised in that: the step of described method of testing 2. in, required electric current is the time of touching with IGCT to be measured required for the product of di/dt parameter value that reaches；Described step 2. in every time the time of touching be 3s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310625808.4A CN103630818B (en) | 2013-11-30 | 2013-11-30 | A kind of Multi-functional portable IGCT tester and method of testing thereof |
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| CN201310625808.4A CN103630818B (en) | 2013-11-30 | 2013-11-30 | A kind of Multi-functional portable IGCT tester and method of testing thereof |
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| CN103630818A CN103630818A (en) | 2014-03-12 |
| CN103630818B true CN103630818B (en) | 2016-11-23 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105277866B (en) * | 2015-09-11 | 2018-07-20 | 中冶宝钢技术服务有限公司 | The thyristor detection method of thyristor detector and the detector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366435A (en) * | 1978-05-08 | 1982-12-28 | Tokyo Shibaura Denki Kabushiki Kaisha | Power supply utilizing a thyristor |
| CN201218833Y (en) * | 2008-04-29 | 2009-04-08 | 比亚迪股份有限公司 | Controlled silicon detection apparatus |
| CN101865973A (en) * | 2010-06-08 | 2010-10-20 | 中国西电电气股份有限公司 | Portable instrument for testing triggering performance of thyristors |
| CN203117379U (en) * | 2013-02-25 | 2013-08-07 | 翁策高 | Silicon controlled rectifier (SCR) detection device |
| CN203825151U (en) * | 2013-11-30 | 2014-09-10 | 国家电网公司 | Multifunctional portable thyristor tester |
-
2013
- 2013-11-30 CN CN201310625808.4A patent/CN103630818B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366435A (en) * | 1978-05-08 | 1982-12-28 | Tokyo Shibaura Denki Kabushiki Kaisha | Power supply utilizing a thyristor |
| CN201218833Y (en) * | 2008-04-29 | 2009-04-08 | 比亚迪股份有限公司 | Controlled silicon detection apparatus |
| CN101865973A (en) * | 2010-06-08 | 2010-10-20 | 中国西电电气股份有限公司 | Portable instrument for testing triggering performance of thyristors |
| CN203117379U (en) * | 2013-02-25 | 2013-08-07 | 翁策高 | Silicon controlled rectifier (SCR) detection device |
| CN203825151U (en) * | 2013-11-30 | 2014-09-10 | 国家电网公司 | Multifunctional portable thyristor tester |
Non-Patent Citations (1)
| Title |
|---|
| 可控硅diT/dt测试线路的设计与测量;郭素萍等;《电子产品世界》;20120831;第41页第3栏第6-8行，第11-15行，第42页第1栏第11-14行，第24行，第2栏第18-25行，图1 * |
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Inventor after: Yu Shanhua Inventor after: Li Xiaoming Inventor after: Lu Yao Inventor after: Wei Bing Inventor after: Yang Hongju Inventor after: Li Ming Inventor after: Xiao Hong Inventor after: Wang Leizhou Inventor after: Yuan Demin Inventor after: Lian Jing Inventor after: Zhang Yuzhen Inventor after: Yang Zhixin Inventor before: Sun Jianzhong Inventor before: Ling Jianqin Inventor before: Sun Yifei |
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Effective date of registration: 20160914 Address after: 474450 Xichuan County, Henan, new road, No. 65, Nanyang Applicant after: Xichuan County Power Bureau Address before: 473000 Henan City, Nanyang province people's North Road, No. 268 Applicant before: Nanyang Power Supply Company, State Grid Henan Electric Power Company |
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Granted publication date: 20161123 Termination date: 20171130 |