CN203825151U - Multifunctional portable thyristor tester - Google Patents
Multifunctional portable thyristor tester Download PDFInfo
- Publication number
- CN203825151U CN203825151U CN201320771851.7U CN201320771851U CN203825151U CN 203825151 U CN203825151 U CN 203825151U CN 201320771851 U CN201320771851 U CN 201320771851U CN 203825151 U CN203825151 U CN 203825151U
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- Prior art keywords
- thyristor
- tester
- line
- direct supply
- power
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010998 test method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Abstract
The utility model discloses a multifunctional portable thyristor tester, and the tester comprises an insulating housing and a detection circuit. The detection circuit is formed by the sequential series connection of an indicator light a, a direct-current power supply, a single-pole double-throw switch, and a 51-Ohm resistor. The direct-current power supply and the indicator light a are in parallel connection with an alternating-current power-supply series circuit. A to-be-detected thyristor is detected through the arrangement of a detection pen. The tester provided by the utility model is simple in wiring, is convenient and quick in operation, is visual in determination, is small in size of a complete machine, is convenient to carry, can achieve the periodic detection of the thyristor, is low in cost of equipment, is huge in market potential, and is worthy of popularization and application.
Description
Technical field
The utility model belongs to thyristor Performance Detection technical field, relates in particular to a kind of Multi-functional portable thyristor tester.
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 a low proving installation easy to use of cost of design.
Utility model content
The purpose of this utility model is in order to make up the deficiencies in the prior art, a kind of Multi-functional portable thyristor tester is 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 the purpose of this utility model adopts, be:
The utility model 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 Ω resistance are connected successively, between described 51 Ω 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 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.
The utility model thyristor tester, 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 Ω resistance can guarantee correct triggering, extend the burst length on thyristor, reduce the damage of instantaneous voltage to thyristor in test process;
The utility model wiring 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 utility model is described further:
Fig. 1 is Multi-functional portable thyristor tester structure figure of the present utility model.
Embodiment
Embodiment
As shown in Figure 1, the Multi-functional portable thyristor tester that the utility model provides, 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 Ω resistance (R1) are connected successively, between described 51 Ω 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 outside insulation crust, connect again detecting pen, described line is a line of detecting pen,
Described direct supply (DC) and pilot lamp a (L1) are in parallel with AC power (AC) series circuit, described AC power (AC) series circuit is indicating lights connected in series b (L2), AC power (AC), parallel resistance successively, and 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); A in described pilot lamp a (L1) and pilot lamp b (L2) 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) (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 now pilot lamp a (L1) is luminous, tested thyristor is bad; If pilot lamp a (L1) 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 (L1) is always luminous, and element is good.If connect in moment, to control utmost point rear indicator light a (L1) still not luminous or only just luminous when yellow line connects, and after yellow line leaves, extinguishes immediately again, illustrates that element is bad.
Further judge integrity: can pass through the bright dark degree of viewing lamp a (L1), can differentiate its on state characteristic, when thyristor is triggered after conducting, the brightness of the brightness of pilot lamp a (L1) 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.
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, while touching, pilot lamp b (L2) is luminous, leaves the little meeting of rear mistake one youngster and extinguishes, and illustrates 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 (2)
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 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 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771851.7U CN203825151U (en) | 2013-11-30 | 2013-11-30 | Multifunctional portable thyristor tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320771851.7U CN203825151U (en) | 2013-11-30 | 2013-11-30 | Multifunctional portable thyristor tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825151U true CN203825151U (en) | 2014-09-10 |
Family
ID=51480633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320771851.7U Expired - Fee Related CN203825151U (en) | 2013-11-30 | 2013-11-30 | Multifunctional portable thyristor tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630818A (en) * | 2013-11-30 | 2014-03-12 | 国网河南省电力公司南阳供电公司 | Multifunctional portable thyristor tester and test method thereof |
| CN104730443A (en) * | 2015-03-19 | 2015-06-24 | 山东钢铁股份有限公司 | High-power silicon controlled rectifier testing table |
| CN106814297A (en) * | 2016-12-27 | 2017-06-09 | 天水七四九电子有限公司 | A kind of bidirectional thyristor population parameter manual test instrument |
-
2013
- 2013-11-30 CN CN201320771851.7U patent/CN203825151U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630818A (en) * | 2013-11-30 | 2014-03-12 | 国网河南省电力公司南阳供电公司 | Multifunctional portable thyristor tester and test method thereof |
| CN103630818B (en) * | 2013-11-30 | 2016-11-23 | 淅川县电业局 | A kind of Multi-functional portable IGCT tester and method of testing thereof |
| CN104730443A (en) * | 2015-03-19 | 2015-06-24 | 山东钢铁股份有限公司 | High-power silicon controlled rectifier testing table |
| CN106814297A (en) * | 2016-12-27 | 2017-06-09 | 天水七四九电子有限公司 | A kind of bidirectional thyristor population parameter manual test instrument |
| CN106814297B (en) * | 2016-12-27 | 2020-06-09 | 天水七四九电子有限公司 | Full-parameter manual tester for bidirectional thyristor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |