CN203166854U - Thyristor trigger based on a 555 time-base circuit - Google Patents
Thyristor trigger based on a 555 time-base circuit Download PDFInfo
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- CN203166854U CN203166854U CN 201320182318 CN201320182318U CN203166854U CN 203166854 U CN203166854 U CN 203166854U CN 201320182318 CN201320182318 CN 201320182318 CN 201320182318 U CN201320182318 U CN 201320182318U CN 203166854 U CN203166854 U CN 203166854U
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Abstract
The utility model discloses a thyristor trigger based on a 555 time-base circuit. The thyristor trigger based on the 555 time-base circuit comprises a time-base circuit, a first triode, a second triode, a first capacitor, a second capacitor, a third capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a seventh resistor. A discharge end of the time-base circuit is respectively connected with a first end of the first resistor and a first end of the second resistor; a high trigger end of the time-base circuit is respectively connected with a second end of the second resistor, a low trigger end of the time-base circuit and a first end of the first capacitor; and a power end of the time-base circuit is respectively connected with a second end of the first resistor, a clearing end of the time-base circuit, an emitter of the first triode and an emitter of the second triode. The thyristor trigger based on the 555 time-base circuit is simple in structure, convenient to debug and less susceptible to influence of environment temperature.
Description
Technical field
The utility model relates to a kind of timer, relates in particular to a kind of thyristor trigger based on 555 time-base circuits.
Background technology
The thyristor digital trigger is the critical component in the thyristor unsteady flow technology, present industrial application be the thyristor trigger that Analogic Electronic Circuits constitutes.The widespread usage of Microcomputer Controling Technique needs a kind of can directly linking to each other with parallel port of computer, accepts to trigger the digital quantity at angle, removes to control the device of the thyristor angle of flow.Though useful microcomputer is finished the function of thyristor trigger but it can not be as independently functional part and other digital device construction systems in recent years, present thyristor trigger exists inconvenient debugging and is subjected to the problem of ambient temperature effect easily.
The utility model content
The purpose of this utility model with regard to be to provide in order to address the above problem a kind of simple in structure, debugging is convenient, be difficult for the thyristor trigger based on 555 time-base circuits influenced by ambient temperature.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model is based on the thyristor trigger of 555 time-base circuits, comprise time-base circuit, first triode, second triode, first electric capacity, second electric capacity, the 3rd electric capacity, first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance, the discharge end of described time-base circuit is connected with first end of described first resistance and first end of described second resistance respectively, the high-triggering end of described time-base circuit respectively with second end of described second resistance, the low triggering end of described time-base circuit, be connected with first end of described first electric capacity, the power end of described time-base circuit respectively with second end of described first resistance, the clear terminal of described time-base circuit, the emitter of described first triode is connected with the emitter of described second triode, the emission of described second triode is first voltage input end very, the voltage controling end of described time-base circuit is connected with first end of described the 5th resistance, the earth terminal of described time-base circuit respectively with second end of described first electric capacity, first end of described the 6th resistance is connected back ground connection with first end of described the 7th resistance, second end of described the 5th resistance is connected with the negative pole of described first diode and the negative pole of described second diode respectively, the positive pole of described first diode respectively with first end of described second electric capacity, first end of described the 3rd resistance is connected with the base stage of described second triode, second end of described second electric capacity is second voltage input end, the positive pole of described second diode respectively with first end of described the 3rd electric capacity, first end of described the 4th resistance is connected with the base stage of described first triode, second end of described the 3rd electric capacity is the tertiary voltage input, second end of described the 3rd resistance is connected with the collector electrode of described first triode and second end of described the 6th resistance respectively, and second end of described the 4th resistance is connected with the collector electrode of described second triode and second end of described the 7th resistance respectively.
The beneficial effects of the utility model are:
The utility model makes things convenient for, is difficult for influenced by ambient temperature based on simple in structure, the debugging of the thyristor trigger of 555 time-base circuits.
Description of drawings
Fig. 1 is that the utility model is based on the circuit diagram of the thyristor trigger of 555 time-base circuits.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model is based on the thyristor trigger of 555 time-base circuits, comprise time-base circuit IC, the first triode VT1, the second triode VT2, first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6 and the 7th resistance R 7, the discharge end of time-base circuit IC is connected with first end of first resistance R 1 and first end of second resistance R 2 respectively, the high-triggering end of time-base circuit IC respectively with second end of second resistance R 2, the low triggering end of time-base circuit IC, be connected with first end of first capacitor C 1, the power end of time-base circuit IC respectively with second end of first resistance R 1, the clear terminal of time-base circuit IC, the emitter of the first triode VT1 is connected with the emitter of the second triode VT2, the emission of the second triode VT2 is first voltage input end very, the voltage controling end of time-base circuit IC is connected with first end of the 5th resistance R 5, the earth terminal of time-base circuit IC respectively with second end of first capacitor C 1, first end of first end of the 6th resistance R 6 and the 7th resistance R 7 is connected back ground connection, second end of the 5th resistance R 5 is connected with the negative pole of the first diode D1 and the negative pole of the second diode D2 respectively, the positive pole of the first diode D1 respectively with first end of second capacitor C 2, first end of the 3rd resistance R 3 is connected with the base stage of the second triode VT2, second end of second capacitor C 2 is second voltage input end, the positive pole of the second diode D2 respectively with first end of the 3rd capacitor C 3, first end of the 4th resistance R 4 is connected with the base stage of the first triode VT1, second end of the 3rd capacitor C 3 is the tertiary voltage input, second end of the 3rd resistance R 3 is connected with the collector electrode of the first triode VT1 and second end of the 6th resistance R 6 respectively, and second end of the 4th resistance R 4 is connected with the collector electrode of the second triode VT3 and second end of the 7th resistance R 7 respectively.
Claims (1)
1. thyristor trigger based on 555 time-base circuits, it is characterized in that: comprise time-base circuit, first triode, second triode, first electric capacity, second electric capacity, the 3rd electric capacity, first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance, the discharge end of described time-base circuit is connected with first end of described first resistance and first end of described second resistance respectively, the high-triggering end of described time-base circuit respectively with second end of described second resistance, the low triggering end of described time-base circuit, be connected with first end of described first electric capacity, the power end of described time-base circuit respectively with second end of described first resistance, the clear terminal of described time-base circuit, the emitter of described first triode is connected with the emitter of described second triode, the emission of described second triode is first voltage input end very, the voltage controling end of described time-base circuit is connected with first end of described the 5th resistance, the earth terminal of described time-base circuit respectively with second end of described first electric capacity, first end of described the 6th resistance is connected back ground connection with first end of described the 7th resistance, second end of described the 5th resistance is connected with the negative pole of described first diode and the negative pole of described second diode respectively, the positive pole of described first diode respectively with first end of described second electric capacity, first end of described the 3rd resistance is connected with the base stage of described second triode, second end of described second electric capacity is second voltage input end, the positive pole of described second diode respectively with first end of described the 3rd electric capacity, first end of described the 4th resistance is connected with the base stage of described first triode, second end of described the 3rd electric capacity is the tertiary voltage input, second end of described the 3rd resistance is connected with the collector electrode of described first triode and second end of described the 6th resistance respectively, and second end of described the 4th resistance is connected with the collector electrode of described second triode and second end of described the 7th resistance respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182318 CN203166854U (en) | 2013-04-12 | 2013-04-12 | Thyristor trigger based on a 555 time-base circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182318 CN203166854U (en) | 2013-04-12 | 2013-04-12 | Thyristor trigger based on a 555 time-base circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166854U true CN203166854U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320182318 Expired - Fee Related CN203166854U (en) | 2013-04-12 | 2013-04-12 | Thyristor trigger based on a 555 time-base circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370408A (en) * | 2017-08-30 | 2017-11-21 | 湖北天禾立方智能科技发展有限公司 | Inverter power circuit |
-
2013
- 2013-04-12 CN CN 201320182318 patent/CN203166854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370408A (en) * | 2017-08-30 | 2017-11-21 | 湖北天禾立方智能科技发展有限公司 | Inverter power circuit |
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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: 20130828 Termination date: 20140412 |