CN202772863U - High-power photoelectric control device - Google Patents
High-power photoelectric control device Download PDFInfo
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- CN202772863U CN202772863U CN 201220513204 CN201220513204U CN202772863U CN 202772863 U CN202772863 U CN 202772863U CN 201220513204 CN201220513204 CN 201220513204 CN 201220513204 U CN201220513204 U CN 201220513204U CN 202772863 U CN202772863 U CN 202772863U
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- triode thyristor
- bidirectional triode
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Abstract
The utility model discloses a high-power photoelectric control device which comprises a 1.5V direct-current power source, a photoelectric coupling trigger circuit, a bidirectional thyristor control circuit, a surge voltage absorption circuit, an electric appliance and a 220V alternating-current power source. The high-power photoelectric control device is characterized in that a photoelectric coupling trigger bidirectional thyristor module IC1 in the photoelectric coupling trigger circuit is of the model of MOC3061. In some cases, the high-power electric appliance is required to be controlled to turn on or off by weak current from a control end in an automatic control circuit, so that the high-power electric appliance or equipment can be controlled reliably electrically in a non-contact manner, and good electrical isolation is required between an input circuit and an output circuit. Both circuit input and circuit output of the high-power photoelectric control device utilize infrared coupling and are isolated completely electrically, so that the purpose of controlling the high-power electric appliance with weak current is achieved. In addition, the photoelectric control circuit of the high-power photoelectric control device has the advantages of simple structure and connection flexibility.
Description
Technical field
The utility model belongs to electronics and photo-electric control technical field, is about the high-power control device of a kind of photoelectricity.
Background technology
In automatic control circuit, sometimes need to use opening or closing of weak current control high-power electric appliance at control end, realize that electric noncontact just can control high-power electric appliance or power consumption equipment reliably, and require that good electrical isolation is arranged between input circuit and the output loop.Circuit input and output of the present utility model utilize the infrared light coupling, have realized to each other fully isolation on electric, have realized the purpose with Weak current control high-power electric appliance.The outstanding feature of the utility model circuit is: photoelectric control circuit have simple in structure, refute connect flexibly, stable work in work, the wide model of purposes, cost of manufacture are cheap etc.
Below describe the high-power control device of photoelectricity described in the utility model related relevant technologies content in implementation process in detail.
The utility model content
Goal of the invention and beneficial effect: in automatic control circuit, sometimes need to use opening or closing of weak current control high-power electric appliance at control end, realize that electric noncontact just can control high-power electric appliance or power consumption equipment reliably, and require that good electrical isolation is arranged between input circuit and the output loop.Circuit input and output of the present utility model utilize the infrared light coupling, have realized to each other fully isolation on electric, have realized the purpose with Weak current control high-power electric appliance.The outstanding feature of the utility model circuit is: photoelectric control circuit have simple in structure, refute connect flexibly, stable work in work, the wide model of purposes, cost of manufacture are cheap etc.
Circuit working principle: after the high-power control device of photoelectricity described in the utility model adopts photoelectrical coupler MOC3061 and external several elements, can make a high-power control device of photoelectricity, the total two parts in the inside of MOC3061 form, by gallium arsenide light emitting diode as input, that is: the 1st pin, the 2nd pin; Optocoupler triggers the output of bidirectional triode thyristor module, that is: the 4th pin, the 6th pin.When gallium arsenide light emitting diode just sends infrared light by 5～10mA forward current, optocoupler triggers the bidirectional triode thyristor module and is subject to conducting behind the Infrared irradiation, otherwise without Infrared irradiation, optocoupler triggers the bidirectional triode thyristor module and then opens a way.Because input and output utilize the infrared light coupling, on electric, realized to each other fully isolation.
The 1st pin and the 2nd pin at MOC3061 are connected the 1.5V DC power supply, and gallium arsenide light emitting diode just has electric current to pass through, as mentioned above.At this moment, optocoupler triggers the 4th pin and the 6th pin conducting of bidirectional triode thyristor module among the MOC3061, and bidirectional triode thyristor SCR is triggered and conducting, and electrical appliance gets electric work.If disconnect the 1.5V DC power supply, the 1st pin of MOC3061, the 2nd pin just no current pass through, its the 4th pin, the 6th pin become open circuit by conducting, bidirectional triode thyristor SCR loses triggering signal and turn-offs, the electrical appliance outage quits work, this circuit has just consisted of a photoelectric controller, thereby has realized the purpose with Weak current control relatively high power electrical appliance.
Technical scheme: the high-power control device of photoelectricity, it is comprised of 1.5V DC power supply, photoelectric coupling circuits for triggering, control circuit of bidirectional thyristor, surge voltage absorbing circuit, electrical appliance and 220V AC power, and its feature comprises:
Photoelectric coupling circuits for triggering: trigger bidirectional triode thyristor module I C1 by 1.5V DC power supply, switch SW, resistance R 1 and optocoupler and form, the model that optocoupler triggering bidirectional triode thyristor module I C1 selects is MOC3061, the 2nd pin of optocoupler triggering bidirectional triode thyristor module connects the negative pole of 1.5V DC power supply by resistance R 1, the 1st pin of optocoupler triggering bidirectional triode thyristor module connects the positive pole of 1.5V DC power supply by switch SW;
Control circuit of bidirectional thyristor: formed by bidirectional triode thyristor SCR, resistance R 2, resistance R 3 and electrical appliance, the 4th pin that optocoupler triggers the bidirectional triode thyristor module connects the control utmost point G of bidirectional triode thyristor SCR and an end of resistance R 2, the other end connection circuit ground GND of the second plate T2 of bidirectional triode thyristor SCR and resistance R 2, the 6th pin that optocoupler triggers the bidirectional triode thyristor module meets the first anode T1 of bidirectional triode thyristor SCR and the zero line side N of 220V alternating current by resistance R 3, and the live wire end L of 220V AC power is by electrical appliance connection circuit ground GND;
Surge voltage absorbing circuit: formed by resistance R 4 and Absorption Capacitance C1, the zero line side N of a termination 220V AC power of resistance R 4, the other end of resistance R 4 is by Absorption Capacitance C1 connection circuit ground GND.
Description of drawings
Accompanying drawing 1 is the fundamental diagram of a high-power control device circuit embodiments of photoelectricity providing of the utility model.
Embodiment
Fundamental diagram and description of drawings according to the high-power control device of photoelectricity shown in the accompanying drawing 1, and according to the annexation between the components and parts in the described circuit of utility model content, and the components and parts technical parameter described in the execution mode requires to implement to realize the utility model.
The selection of components and parts and technical parameter thereof
The component parameter of following embodiment is take power 500W electrical appliance, output current 5A as example:
IC1 is that optocoupler triggers the bidirectional triode thyristor module, it is a kind of novel Light Coupled Device of built-in zero cross detection circuit, can adopt the alternating current of low voltage and direct current, Small current control high voltage, large electric current, the model that optocoupler triggers bidirectional triode thyristor module I C1 is MOC3061, its packing forms is DIP, 6 pin dual inline types;
SCR is bidirectional triode thyristor, requires operating current 〉=5A, and withstand voltage is 600 V, and available model is BTA16;
Resistance is all selected metalfilmresistor, and power is 1W, and the resistance of resistance R 1 is 150 Ω; The resistance of resistance R 2 is 330 Ω; The resistance of resistance R 3 is 27 Ω; The resistance of resistance R 4 is 56 Ω;
C1 is Absorption Capacitance, and capacity is 0.1 μ F/400V;
DC is the 1.5V DC power supply.
Circuit production main points and circuit debugging method
The electronic devices and components performance of selecting in the high-power control device of requirement photoelectricity is intact, and the annexation of components and parts is welded in the accompanying drawing 1 to specifications, after physical connection line and welding quality were errorless through careful inspection, circuit did not need debugging to work substantially;
Bidirectional triode thyristor SCR selects BTA shape envelope bidirectional triode thyristor, if the power of electrical appliance more than 500W, then should the selection work electric current greater than the bidirectional triode thyristor SCR of 5A, concrete technical parameter should be selected according to the power of electrical appliance.
Claims (1)
1. high-power control device of photoelectricity, it is comprised of 1.5V DC power supply, photoelectric coupling circuits for triggering, control circuit of bidirectional thyristor, surge voltage absorbing circuit, electrical appliance and 220V AC power, and its feature comprises:
Described photoelectric coupling circuits for triggering trigger bidirectional triode thyristor module I C1 by 1.5V DC power supply, switch SW, resistance R 1 and optocoupler and form, the model that optocoupler triggering bidirectional triode thyristor module I C1 selects is MOC3061, the 2nd pin of optocoupler triggering bidirectional triode thyristor module connects the negative pole of 1.5V DC power supply by resistance R 1, the 1st pin of optocoupler triggering bidirectional triode thyristor module connects the positive pole of 1.5V DC power supply by switch SW;
Described control circuit of bidirectional thyristor is comprised of bidirectional triode thyristor SCR, resistance R 2, resistance R 3 and electrical appliance, the 4th pin that optocoupler triggers the bidirectional triode thyristor module connects the control utmost point G of bidirectional triode thyristor SCR and an end of resistance R 2, the other end connection circuit ground GND of the second plate T2 of bidirectional triode thyristor SCR and resistance R 2, the 6th pin that optocoupler triggers the bidirectional triode thyristor module meets the first anode T1 of bidirectional triode thyristor SCR and the zero line side N of 220V alternating current by resistance R 3, and the live wire end L of 220V AC power is by electrical appliance connection circuit ground GND;
Described surge voltage absorbing circuit is comprised of resistance R 4 and Absorption Capacitance C1, the zero line side N of a termination 220V AC power of resistance R 4, and the other end of resistance R 4 is by Absorption Capacitance C1 connection circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513204 CN202772863U (en) | 2012-10-08 | 2012-10-08 | High-power photoelectric control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513204 CN202772863U (en) | 2012-10-08 | 2012-10-08 | High-power photoelectric control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772863U true CN202772863U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220513204 Expired - Fee Related CN202772863U (en) | 2012-10-08 | 2012-10-08 | High-power photoelectric control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202772863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904561A (en) * | 2012-10-08 | 2013-01-30 | 刘昭利 | Photoelectric high-power control device |
-
2012
- 2012-10-08 CN CN 201220513204 patent/CN202772863U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904561A (en) * | 2012-10-08 | 2013-01-30 | 刘昭利 | Photoelectric high-power control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20131008 |