CN206302397U - Novel thyristor triggering device - Google Patents
Novel thyristor triggering device Download PDFInfo
- Publication number
- CN206302397U CN206302397U CN201720013792.5U CN201720013792U CN206302397U CN 206302397 U CN206302397 U CN 206302397U CN 201720013792 U CN201720013792 U CN 201720013792U CN 206302397 U CN206302397 U CN 206302397U
- Authority
- CN
- China
- Prior art keywords
- zero cross
- resistance
- cross fired
- fired optocoupler
- triode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A kind of novel thyristor triggering device.The input of traditional thyristor gating circuit fixed step-down and current limliting, controller power source voltage change is that its trigger current also changes.A kind of novel thyristor triggering device, consisting of：Silicon controlled trigger signal end, silicon controlled trigger signal end（10）Connection resistance R1（9）With triode Q1（8）, resistance R1 difference connecting triode Q1 and diode D1（6）, triode Q1 connection resistance R2（7）, diode D1 connection diodes D2（5）, diode D2 connections connection resistance R2, electric capacity C1 respectively（4）With zero cross fired optocoupler U2（3）, electric capacity C1 ground connection, zero cross fired optocoupler U2 is by wire connection zero cross fired optocoupler U1（2）, zero cross fired optocoupler U1 connection power supplys, zero cross fired optocoupler U2 and zero cross fired optocoupler U1 connection thyristor gating circuits（1）.The present utility model application is applied to novel thyristor triggering device.
Description
Technical field：
The utility model is related to a kind of electric control field, more particularly to a kind of novel thyristor triggering device.
Background technology：
The input of thyristor gating circuit conventional at present due to fixed step-down and current limliting, when controller power source voltage
It is that its trigger current also changes to change, if voltage step-down, it is possible to which control machines fail, if voltage is uprised,
Current limliting is generated heat, and controller causes source current to increase due to triggers circuit power consumption increase, and transformer heating causes control when serious
Device burns out.
The content of the invention：
The purpose of this utility model is to provide a kind of novel thyristor triggering device.
Above-mentioned purpose is realized by following technical scheme：
A kind of novel thyristor triggering device, its composition includes：Silicon controlled trigger signal end, described control machines letter
Number end connection resistance R1 and triode Q1 respectively, described resistance R1 difference connecting triode Q1 and diode D1, described three
Pole pipe Q1 connections resistance R2, described diode D1 connection diodes D2, described diode D2 connections respectively connection resistance R2,
Electric capacity C1 and zero cross fired optocoupler U2, described electric capacity C1 ground connection, described zero cross fired optocoupler U2 connect zero passage by wire
Triggering optocoupler U1, described zero cross fired optocoupler U1 connection+12V power supplys, described zero cross fired optocoupler U2 and described zero passage
Triggering optocoupler U1 connection thyristor gating circuits.
Described novel thyristor triggering device, silicon controlled trigger signal end is by after resistance R1 step-downs, supplying triode
B grades of Q1 is turned it on, and forms basicly stable 1.4V magnitudes of voltage, the master of control signal by diode D1 and diode D2
Electric current is input in zero cross fired optocoupler U2 through ce grades of triode Q1 and resistance R2, when the voltage that electric current is produced by resistance R2
When drop is more than 0.7V, the Vbe of triode Q1 does not reach the 0.7V being held on, then triode Q1 shut-offs；Resistance R2 selections are closed
Suitable resistance so that the electric current for flowing through zero cross fired optocoupler U1 and zero cross fired optocoupler U2 ensure that its normal work.
The beneficial effects of the utility model：
1. controlled silicon triggering device of the present utility model, in order to solve this failure cause that mains voltage variations cause,
Constant-current circuit is additionally arranged on thyristor gating circuit, it is ensured that the trigger current in the case where outside mains voltage variations amplitude is big
It is basicly stable.
Controlled silicon triggering device of the present utility model, using exclusive constant current technology, it is ensured that the electric current of triggering device is steady
It is fixed, effectively avoid because curent change causes failure.
Controlled silicon triggering device of the present utility model, using brand-new zero passage detection technology, it is ensured that triggering device zero passage
Point is more accurate, and antijamming capability is stronger.
Brief description of the drawings：
Accompanying drawing 1 is structural representation of the present utility model.
In figure：1-thyristor gating circuit；2-zero cross fired optocoupler U1；3-zero cross fired optocoupler U2；4-electricity
Hold C1；5-diode D2；6-diode D1；7-resistance R2；8-triode Q1；9-resistance R1；10-controllable silicon
Trigger signal end.
Specific embodiment：
Embodiment 1：
A kind of novel thyristor triggering device, its composition includes：Silicon controlled trigger signal end, described control machines letter
Number end 10 connection resistance R1 respectively（Serial number：9）With triode Q1（Serial number：8）, described resistance R1 connects three poles respectively
Pipe Q1 and diode D1（Serial number：6）, described triode Q1 connection resistance R2（Serial number：7）, described diode D1 connects
Meet diode D2（Serial number：5）, described diode D2 connections connection resistance R2, electric capacity C1 respectively（Serial number：4）And mistake
Zero triggering optocoupler U2（Serial number：3）, described electric capacity C1 ground connection, described zero cross fired optocoupler U2 connects zero passage by wire
Triggering optocoupler U1（Serial number：2）, described zero cross fired optocoupler U1 connections+12V power supplys, described zero cross fired optocoupler U2 and
Described zero cross fired optocoupler U1 connection thyristor gating circuits（Serial number：1）.
Embodiment 2：
Novel thyristor triggering device according to embodiment 1, silicon controlled trigger signal end by resistance R1 step-down after,
B grades of supply triode Q1 is turned it on, and forms basicly stable 1.4V magnitudes of voltage by diode D1 and diode D2, is controlled
The principal current of signal processed is input in zero cross fired optocoupler U2 through ce grades of triode Q1 and resistance R2, when electric current is by resistance R2
When the voltage drop of generation is more than 0.7V, the Vbe of triode Q1 does not reach the 0.7V being held on, then triode Q1 shut-offs；Electricity
Resistance R2 selects suitable resistance so that the electric current for flowing through zero cross fired optocoupler U1 and zero cross fired optocoupler U2 ensure that its normal work
Make.
Claims (2)
1. a kind of novel thyristor triggering device, its composition includes：Silicon controlled trigger signal end, it is characterized in that：Described is controllable
Silicon trigger signal end connects resistance R1 and triode Q1, described resistance R1 difference connecting triode Q1 and diode D1 respectively,
Described triode Q1 connection resistance R2, described diode D1 connection diodes D2, described diode D2 connections connect respectively
Connecting resistance R2, electric capacity C1 and zero cross fired optocoupler U2, described electric capacity C1 ground connection, described zero cross fired optocoupler U2 pass through wire
Connection zero cross fired optocoupler U1, described zero cross fired optocoupler U1 connection+12V power supplys, described zero cross fired optocoupler U2 and institute
The zero cross fired optocoupler U1 connection thyristor gating circuits stated.
2. novel thyristor triggering device according to claim 1, it is characterized in that：Silicon controlled trigger signal end is by resistance
After R1 step-downs, b grades of supply triode Q1 is turned it on, and forms basicly stable 1.4V by diode D1 and diode D2
Magnitude of voltage, the principal current of control signal is input in zero cross fired optocoupler U2 through ce grades and resistance R2 of triode Q1, works as electric current
During by the voltage drop of resistance R2 generations more than 0.7V, the Vbe of triode Q1 does not reach the 0.7V being held on, then triode
Q1 is turned off；Resistance R2 selects suitable resistance so that the electric current for flowing through zero cross fired optocoupler U1 and zero cross fired optocoupler U2 can be protected
Demonstrate,prove its normal work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013792.5U CN206302397U (en) | 2017-01-06 | 2017-01-06 | Novel thyristor triggering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013792.5U CN206302397U (en) | 2017-01-06 | 2017-01-06 | Novel thyristor triggering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302397U true CN206302397U (en) | 2017-07-04 |
Family
ID=59203899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720013792.5U Expired - Fee Related CN206302397U (en) | 2017-01-06 | 2017-01-06 | Novel thyristor triggering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880523A (en) * | 2018-06-27 | 2018-11-23 | 北京小米移动软件有限公司 | SCR control device and method |
-
2017
- 2017-01-06 CN CN201720013792.5U patent/CN206302397U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880523A (en) * | 2018-06-27 | 2018-11-23 | 北京小米移动软件有限公司 | SCR control device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206302397U (en) | Novel thyristor triggering device | |
| CN203339998U (en) | Compressor soft start controller and compressor | |
| CN203191441U (en) | Alternating current zero-cross detection circuit | |
| CN205689473U (en) | AC fan Novel electrodeless alignment circuit | |
| WO2015139456A1 (en) | Zero-cross detection circuit for mains supply | |
| CN203573233U (en) | Energy-saving control circuit for computer radiator | |
| CN203554334U (en) | Low-harmonic soft starter | |
| CN104571198A (en) | Sensitivity-adjustable temperature control circuit | |
| CN202205113U (en) | Heating control device for instant heating type heating member | |
| CN103792452A (en) | Superimposed alternating voltage test tester for automobile low-voltage electric appliance | |
| CN204696792U (en) | A kind of alternating current-direct current automatic switch-over circuit | |
| CN204331507U (en) | A kind of adjustable temperature-control circuit | |
| CN105299819B (en) | The heating control device and its Poewr control method of air conditioner | |
| CN203672926U (en) | Matrix type load device | |
| CN202199881U (en) | Intelligent electric soldering iron with energy-saving function | |
| CN207048960U (en) | A kind of water pump dry combustion method protection circuit | |
| CN205249502U (en) | Low temperature self -heating protection circuit | |
| CN204014100U (en) | A kind of thermoregulation circuit | |
| CN206442555U (en) | Power LED street lamp power supply drops in Intelligent fixed time | |
| CN106026020B (en) | A kind of thermal control stress circuit design | |
| CN205141293U (en) | Intelligence socket circuits | |
| CN205254309U (en) | Automatic detection apparatus for manual welding machine output circuit cable resistance | |
| CN204389553U (en) | Charging set electronic load control protection electric circuit | |
| CN204120300U (en) | The portable type battery heating gloves that temperature is adjustable | |
| CN203471097U (en) | Controller for adjustable homothermal electric soldering iron |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170801 Address after: 150000, Harbin District, Heilongjiang province Xianfeng District 1, 2 units, 1, 3 shop Patentee after: Harbin Boneng Electric Co. Ltd. Address before: 12013, room 415, Pioneer Road, Daowai District, Heilongjiang, Harbin, 150000 Patentee before: Ben Yantao |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20190106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |