CN103630818A - Multifunctional portable thyristor tester and test method thereof - Google Patents
Multifunctional portable thyristor tester and test method thereof Download PDFInfo
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- CN103630818A CN103630818A CN201310625808.4A CN201310625808A CN103630818A CN 103630818 A CN103630818 A CN 103630818A CN 201310625808 A CN201310625808 A CN 201310625808A CN 103630818 A CN103630818 A CN 103630818A
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- thyristor
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Abstract
The invention discloses a multifunctional portable thyristor tester and a test method thereof. The tester comprises an insulation shell and a detection line; the detection line is characterized in that an indication lamp a, a direct current power supply, a single-pole double-throw switch and a 51omega resistor are serially connected in sequence, wherein the direct current power supply and the indication lamp a are connected with an alternating current power supply serial circuit in parallel; the test method comprises the step that the completeness detection and di/dt parameter detection on a thrysistor to be tested are performed by arranging and connecting a detection pen. The multifunctional portable thyristor tester is simple in wiring, convenient to operate, intuitive in judging, small in whole machine volume, convenient to carry, can realize the periodic test on the thryistor, low in equipment cost, huge in market potential and worthy of popularization and application.
Description
Technical field
The invention belongs to thyristor Performance Detection technical field, relate in particular to a kind of Multi-functional portable thyristor tester and method of testing thereof.
Background technology
Thyristor is widely used in the rectifying installation of the industries such as electric power because having the advantages such as withstand voltage height, capacity is large, volume is little, along with the application of thyristor in fields such as all kinds of high-power induction heating powers, frequency converter, alternating-current switch, Electric Machine Control, pulse powers progressively expands, increasing user has higher requirement to the reliability of thyristor device, therefore need to carry out simple detection fast to the reliability of thyristor, measure content and be mainly the whether intact and performance parameter di/dt of thyristor.
The intact Performance Detection of thyristor, classic method generally adopts multimeter test, during detection, need in the black pen of multimeter, be connected in series dry cell, and to improve trigger voltage, complex operation, wastes time and energy and takes a lot of work, and has a strong impact on work efficiency and power supply reliability.
Di/dt is as an important parameter of thyristor unfailing performance, and the too high meeting of numerical value causes thyristor conducting and burns, although thyristor given di/dt parameter of meeting when dispatching from the factory, but thyristor was used after a period of time, can produce infringement, cannot guarantee long-term reliability, adjust in time.And existing method of testing needs professional equipment to measure, or utilize complicated expensive circuit, therefore design a low proving installation easy to use of cost.
Summary of the invention
The object of the invention is in order to make up the deficiencies in the prior art, a kind of Multi-functional portable thyristor tester and method of testing thereof are provided, this tester wiring is simple, and simple operation is differentiated directly perceived, machine volume is little, easy to carry, can realize the regular detection of thyristor, equipment cost is low, market potential is huge, and application should be widely promoted.
For realizing the technical scheme that object of the present invention adopts, be:
The invention provides a kind of Multi-functional portable thyristor tester, comprise insulation crust and detection line, described detection line is that pilot lamp a, direct supply, single-pole double-throw switch (SPDT) and 51 resistance are connected successively, between described 51 resistance and described single-pole double-throw switch (SPDT), draw yellow line, the other end is drawn red line, and described pilot lamp a one end is connected with direct supply, and the other end arranges black line, described red, yellow, black 3 lines are drawn and are swept outside insulation crust respectively, then connect detecting pen;
Described direct supply and pilot lamp a are in parallel with AC power series circuit, and described AC power series circuit is indicating lights connected in series b, AC power, parallel resistance successively, and described parallel resistance is that slide rheostat is in parallel with a resistor;
By described single-pole double-throw switch (SPDT) choice for use direct supply or use AC power;
A in described pilot lamp a and pilot lamp b and b are only in order to distinguish installation site, and character is identical.
The method of testing of described Multi-functional portable thyristor tester, comprises the following steps:
1. integrity detects: by single-pole double-throw switch (SPDT) choice for use direct supply, first the red line of tester and black line are received respectively to anode and the negative electrode of thyristor to be measured, yellow line does not connect; If now pilot lamp a is luminous, tested thyristor is bad; If pilot lamp a is not luminous, yellow line moment is touched to the control utmost point of thyristor to be measured once and leave at once, pilot lamp a is always luminous, and element is good.If connect in moment, to control utmost point rear indicator light a still not luminous or only just luminous when yellow line connects, and after yellow line leaves, extinguishes immediately again, illustrates that element is bad;
2. di/dt parameter detecting: by single-pole double-throw switch (SPDT) choice for use AC power, adjust the resistance value of slide rheostat, obtain needed electric current, the red line of tester and black line are received respectively to anode and the negative electrode of thyristor to be measured, yellow line moment is touched to the control of thyristor to be measured once and leave extremely afterwards, while touching, pilot lamp b is luminous, leaving the little meeting of rear mistake one youngster extinguishes, illustrate that thyristor to be measured can bear set electric current and touch the time, reach needed di/dt, product is qualified.
The step of described method of testing 1. in, as the foundation of further judgement integrity, can pass through the bright dark degree of viewing lamp a, can differentiate its on state characteristic, when thyristor is triggered after conducting, the brightness of the brightness of pilot lamp during with anode and cathode two line short circuit is the same, illustrates that its forward characteristic is fine; If partially dark, illustrate that its forward conduction characteristic is poor.
Described direct supply is selected 3V ~ 5V, and it is sinusoidal wave that AC power is preferably selected 30V ~ 40V, 50HZ;
The step of described method of testing 2. in, needed electric current, is the product of the required di/dt parameter value reaching of the time of touching and thyristor to be measured;
2. the time of touching is 3s to described step at every turn in.
Thyristor tester of the present invention, described direct supply is selected 3V ~ 5V, and it is sinusoidal wave that AC power is preferably selected 30V ~ 40V, 50HZ, reduces and open the turn-off time, and the time of touching is 3s at every turn, can effectively reduce error; In detection line, select 51 resistance can guarantee correct triggering, extend the burst length on thyristor, reduce the damage of instantaneous voltage to thyristor in test process;
Wiring of the present invention is simple, and simple operation is differentiated intuitively, and machine volume is little, easy to carry, can realize the regular detection of thyristor, and equipment cost is low, and market potential is huge, and application should be widely promoted.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is Multi-functional portable thyristor tester structure figure of the present invention.
Embodiment
Embodiment
As shown in Figure 1, Multi-functional portable thyristor tester provided by the invention, comprise insulation crust and detection line, described detection line is by pilot lamp a(L1), direct supply (DC), single-pole double-throw switch (SPDT) (S) and 51 resistance (R1) are connected successively, between described 51 resistance (R1) and described single-pole double-throw switch (SPDT) (S), draw yellow line, the other end is drawn red line, described pilot lamp a(L1) one end is connected with direct supply (DC), the other end arranges black line, described red, yellow, black 3 lines are drawn respectively and are swept outside insulation crust, connect again detecting pen, described line is a line of detecting pen,
Described direct supply (DC) and pilot lamp a(L1) in parallel with AC power (AC) series circuit, described AC power (AC) series circuit is indicating lights connected in series b(L2 successively), AC power (AC), parallel resistance, described parallel resistance is that slide rheostat (R2) is in parallel with resistance (R3);
By described single-pole double-throw switch (SPDT) (S) choice for use direct supply (DC) or use AC power (AC);
Described pilot lamp a(L1) with pilot lamp b(L2) in a and b in order to distinguish installation site, character is identical.
The method of testing of described Multi-functional portable thyristor tester, comprises the following steps:
1. integrity detects: by single-pole double-throw switch (SPDT) (S) choice for use direct supply (DC), direct supply (DC) is selected 3V ~ 5V, first the red line of tester and black line is received respectively to anode and the negative electrode of thyristor to be measured, and yellow line does not connect; If pilot lamp a(L1 now) luminous, tested thyristor is bad; If pilot lamp a(L1) not luminous, yellow line moment touched to the control utmost point of thyristor to be measured once and leaves at once, pilot lamp a(L1) always luminous, element is good.If connect and control utmost point rear indicator light a(L1 in moment) still not luminous or only just luminous when yellow line connects, after leaving, extinguishes immediately again yellow line, illustrate that element is bad.
Further judge integrity: can pass through viewing lamp a(L1) bright dark degree, can differentiate its on state characteristic, when thyristor is triggered after conducting, pilot lamp a(L1) the brightness of brightness during with anode and cathode two line short circuit the same, illustrate that its forward characteristic is fine; If partially dark, illustrate that its forward conduction characteristic is poor.
2. di/dt parameter detecting: by single-pole double-throw switch (SPDT) (S) choice for use AC power (AC), it is sinusoidal wave that AC power (AC) is preferably selected 30V ~ 40V, 50HZ; Adjust the resistance value of slide rheostat (R2), obtain needed electric current, the red line of tester and black line are received respectively to anode and the negative electrode of thyristor to be measured, yellow line moment being touched to the control of 3s thyristor to be measured leaves extremely afterwards, pilot lamp b(L2 while touching) luminous, leave the little meeting of rear mistake one youngster and extinguish, illustrate that thyristor to be measured can bear set electric current and touch the time, reach needed di/dt, product is qualified.
Needed electric current is the product of the required di/dt parameter value reaching of the time of touching and thyristor to be measured;
In use, the required di/dt parameter value reaching of thyristor to be measured, the di/dt parameter value that suggestion reaches according to circuit requirement thyristor is added some affluences, the di/dt value producing in thyristor after connecting as circuit.
Claims (5)
1. a Multi-functional portable thyristor tester, comprises insulation crust and detection line, it is characterized in that:
Described detection line is that pilot lamp a, direct supply, single-pole double-throw switch (SPDT) and 51 resistance are connected successively, between described 51 resistance and described single-pole double-throw switch (SPDT), draw yellow line, the other end is drawn red line, described pilot lamp a one end is connected with direct supply, the other end arranges black line, described red, yellow, black 3 lines are drawn and are swept outside insulation crust respectively, then connect detecting pen;
Described direct supply and pilot lamp a are in parallel with AC power series circuit, and described AC power series circuit is indicating lights connected in series b, AC power, parallel resistance successively, and described parallel resistance is that slide rheostat is in parallel with a resistor;
By described single-pole double-throw switch (SPDT) choice for use direct supply or use AC power.
2. a method of testing for Multi-functional portable thyristor tester as claimed in claim 1, is characterized in that,
Comprise the following steps:
1. integrity detects: by single-pole double-throw switch (SPDT) choice for use direct supply, first the red line of tester and black line are received respectively to anode and the negative electrode of thyristor to be measured, yellow line does not connect; If now pilot lamp a is luminous, tested thyristor is bad; If pilot lamp a is not luminous, yellow line moment is touched to the control utmost point of thyristor to be measured once and leave at once, pilot lamp a is always luminous, and element is good;
If connect in moment, to control utmost point rear indicator light a still not luminous or only just luminous when yellow line connects, and after yellow line leaves, extinguishes immediately again, illustrates that element is bad;
2. di/dt parameter detecting: by single-pole double-throw switch (SPDT) choice for use AC power, adjust the resistance value of slide rheostat, obtain needed electric current, the red line of tester and black line are received respectively to anode and the negative electrode of thyristor to be measured, yellow line moment is touched to the control of thyristor to be measured once and leave extremely afterwards, while touching, pilot lamp b is luminous, leaving the little meeting of rear mistake one youngster extinguishes, illustrate that thyristor to be measured can bear set electric current and touch the time, reach needed di/dt, product is qualified.
3. a kind of Multi-functional portable thyristor tester as claimed in claim 1, is characterized in that:
Described direct supply is selected 3V ~ 5V, and it is sinusoidal wave that AC power is preferably selected 30V ~ 40V, 50HZ.
4. the method for testing of a kind of Multi-functional portable thyristor tester as claimed in claim 2, is characterized in that:
The step of described method of testing 1. in, as the foundation of further judgement integrity, can pass through the bright dark degree of viewing lamp a, can differentiate its on state characteristic, when thyristor is triggered after conducting, the brightness of the brightness of pilot lamp during with anode and cathode two line short circuit is the same, illustrates that its forward characteristic is fine; If partially dark, illustrate that its forward conduction characteristic is poor.
5. the method for testing of a kind of Multi-functional portable thyristor tester as claimed in claim 2, is characterized in that:
The step of described method of testing 2. in, needed electric current, is the product of the required di/dt parameter value reaching of the time of touching and thyristor to be measured;
2. the time of touching is 3s to described step at every turn in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625808.4A CN103630818B (en) | 2013-11-30 | 2013-11-30 | A kind of Multi-functional portable IGCT tester and method of testing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625808.4A CN103630818B (en) | 2013-11-30 | 2013-11-30 | A kind of Multi-functional portable IGCT tester and method of testing thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103630818A true CN103630818A (en) | 2014-03-12 |
| CN103630818B CN103630818B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310625808.4A Expired - Fee Related 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277866A (en) * | 2015-09-11 | 2016-01-27 | 中冶宝钢技术服务有限公司 | Thyristor detector and thyristor detection method of 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 (2)
| Title |
|---|
| 商福恭: "《实战中来 电工操作》", 31 January 2013, article "晶闸管简易测试器", pages: 151-152 * |
| 郭素萍等: "可控硅diT/dt测试线路的设计与测量", 《电子产品世界》, 31 August 2012 (2012-08-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277866A (en) * | 2015-09-11 | 2016-01-27 | 中冶宝钢技术服务有限公司 | Thyristor detector and thyristor detection method of detector |
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| CN103630818B (en) | 2016-11-23 |
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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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