CN204652255U - A kind of silicon controlled rectifier protecting and triggering power supply circuits - Google Patents
A kind of silicon controlled rectifier protecting and triggering power supply circuits Download PDFInfo
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- CN204652255U CN204652255U CN201520324084.4U CN201520324084U CN204652255U CN 204652255 U CN204652255 U CN 204652255U CN 201520324084 U CN201520324084 U CN 201520324084U CN 204652255 U CN204652255 U CN 204652255U
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Abstract
The utility model discloses a kind of silicon controlled rectifier protecting and trigger power supply circuits, comprising circuits for triggering, controllable silicon half-controlled rectifier circuit, power supply circuits, protective circuit, voltage stabilizing circuit.The structure of power supply circuits is the small-power three-phase commutation bridge that six diodes are formed, and three inputs of small-power three-phase commutation bridge protect electric capacity to be connected with three respectively, and the output of small-power three-phase commutation bridge is connected with circuits for triggering after filter capacitor C4 is connected.Controllable silicon half-controlled rectifier circuit comprises three controllable silicons and three diodes, and three silicon controlled G ends are all connected with circuits for triggering.The syndeton of protective circuit is that one end of three protection electric capacity is held with three silicon controlled A respectively and is connected, and the other end is connected respectively through holding with three silicon controlled K after three diodes and filter capacitor C4 successively.The utility model, by the improvement to protective circuit, adds function of supplying power, instead of original isolation power supply circuits, and structure is simple, easy realization reasonable in design.
Description
Technical field
The utility model belongs to electronic circuit technology field, is specifically related to a kind of silicon controlled rectifier protecting and triggers power supply circuits.
Background technology
In inverter generator control circuit of the prior art, three-phase half-controlled rectification is all common cathode structure.As shown in Figure 2, the circuits for triggering of this common cathode are comparatively simple, and shortcoming is needs one power supply (V+15) more taller than high-voltage output end (V+) for circuits for triggering are powered.In addition, controllable silicon also needs an external RC protective circuit, is made up of, misleads to prevent controllable silicon C1, C2, C3, R4, R5, R6.
This patent improves this protective circuit, makes it have function of supplying power concurrently.
Utility model content
Utility model object: the purpose of this utility model is to solve the deficiencies in the prior art, provides one to have power supply and defencive function concurrently, structure silicon controlled rectifier protecting that is simple, that easily realize and triggering power supply circuits.
Technical scheme: a kind of silicon controlled rectifier protecting described in the utility model and triggering power supply circuits, comprise circuits for triggering, controllable silicon half-controlled rectifier circuit, power supply circuits, protective circuit, voltage stabilizing circuit;
The structure of described power supply circuits is the small-power three-phase commutation bridge of diode D4, diode D5, diode D6, diode D7, diode D8, diode D9 formation, three inputs of small-power three-phase commutation bridge respectively with protection electric capacity C1, protect electric capacity C2, protect electric capacity C3 to be connected, three outputs of small-power three-phase commutation bridge are connected with circuits for triggering after filter capacitor C4 is connected;
Described controllable silicon half-controlled rectifier circuit comprises controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and diode D1, diode D2, diode D3; The G end of described controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 is all connected with circuits for triggering;
The syndeton of described protective circuit is protection electric capacity C1, one end of protection electric capacity C2, protection electric capacity C3 is held with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 respectively and is connected, and the other end is connected respectively through holding with the K of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 after diode D4, diode D5, diode D6 and filter capacitor C4 successively;
Described voltage stabilizing circuit is held with the K of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and is all connected.
Further, described voltage stabilizing circuit ground connection and holding with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 respectively by diode D1, diode D2, diode D3 is connected.
Further, the plus earth of described diode D1, diode D2, diode D3, negative pole is held with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and is connected.
Further, described controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 G end and K hold between be also connected to resistance R1, resistance R2, resistance R3.
Further, controllable silicon Q1, the controllable silicon Q2 of described controllable silicon half-controlled rectifier circuit, the A end of controllable silicon Q3 are all also connected with AC power.
Beneficial effect: six diodes are formed a small-power three-phase commutation bridge by the utility model; three inputs of this small-power three-phase commutation bridge protect electric capacity 3 to be connected with three; output is after filtering after electric capacity C4 filtering; can be circuits for triggering and provide power supply V+15, three protection electric capacity play a hypotensive effect.In addition, one end of three protection electric capacity is held with three silicon controlled A respectively and is connected, and the other end is connected respectively to three silicon controlled K after electric capacity C4 after filtering again through three diodes and holds, and has defencive function.By the improvement to protective circuit, add function of supplying power, instead of original isolation power supply circuits, structure is simple, reasonable in design.
Accompanying drawing explanation
Fig. 1 is the utility model circuit structure schematic diagram.
Fig. 2 is existing controllable silicon half control rectification triggering circuit structure principle chart.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail:
As shown in Figure 1, a kind of silicon controlled rectifier protecting and triggering power supply circuits, comprise circuits for triggering, controllable silicon half-controlled rectifier circuit, power supply circuits, protective circuit, voltage stabilizing circuit.
The structure of power supply circuits is the small-power three-phase commutation bridge of diode D4, diode D5, diode D6, diode D7, diode D8, diode D9 formation; three inputs of small-power three-phase commutation bridge respectively with protection electric capacity C1, protect electric capacity C2, protect electric capacity C3 to be connected, three outputs of small-power three-phase commutation bridge are connected with circuits for triggering after filter capacitor C4 is connected.
Controllable silicon half-controlled rectifier circuit comprises controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and diode D1, diode D2, diode D3.The G end of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 is all connected with circuits for triggering.
The syndeton of protective circuit is protection electric capacity C1, one end of protection electric capacity C2, protection electric capacity C3 is held with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 respectively and is connected, and the other end is connected respectively through holding with the K of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 after diode D4, diode D5, diode D6 and filter capacitor C4 successively.
Voltage stabilizing circuit is held with the K of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and is all connected.
As to further optimization of the present utility model, voltage stabilizing circuit ground connection and holding with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 respectively by diode D1, diode D2, diode D3 is connected.The plus earth of diode D1, diode D2, diode D3, negative pole is held with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and is connected.Resistance R1, resistance R2, resistance R3 is also connected between the G end of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and K hold.Controllable silicon Q1, the controllable silicon Q2 of controllable silicon half-controlled rectifier circuit, the A end of controllable silicon Q3 are all also connected with AC power.
Six diodes are formed a small-power three-phase commutation bridge by the utility model; three inputs of this small-power three-phase commutation bridge protect electric capacity 3 to be connected with three; output, after filtering after electric capacity C4 filtering, can be circuits for triggering and provides power supply V+15, and three protection electric capacity play a hypotensive effect.In addition, one end of three protection electric capacity is held with three silicon controlled A respectively and is connected, and the other end is connected respectively to three silicon controlled K after electric capacity C4 after filtering again through three diodes and holds, and has defencive function.The utility model, by the improvement to protective circuit, adds function of supplying power, instead of original isolation power supply circuits, good heat dissipation effect, and structure is simple, easy realization reasonable in design.
Claims (5)
1. silicon controlled rectifier protecting and triggering power supply circuits, is characterized in that: comprise circuits for triggering, controllable silicon half-controlled rectifier circuit, power supply circuits, protective circuit, voltage stabilizing circuit;
The structure of described power supply circuits is the small-power three-phase commutation bridge of diode D4, diode D5, diode D6, diode D7, diode D8, diode D9 formation, three inputs of small-power three-phase commutation bridge respectively with protection electric capacity C1, protect electric capacity C2, protect electric capacity C3 to be connected, three outputs of small-power three-phase commutation bridge are connected with circuits for triggering after filter capacitor C4 is connected;
Described controllable silicon half-controlled rectifier circuit comprises controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and diode D1, diode D2, diode D3; The G end of described controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 is all connected with circuits for triggering;
The syndeton of described protective circuit is protection electric capacity C1, one end of protection electric capacity C2, protection electric capacity C3 is held with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 respectively and is connected, and the other end is connected respectively through holding with the K of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 after diode D4, diode D5, diode D6 and filter capacitor C4 successively;
Described voltage stabilizing circuit is held with the K of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and is all connected.
2. a kind of silicon controlled rectifier protecting according to claim 1 and trigger power supply circuits, is characterized in that: described voltage stabilizing circuit ground connection and holding with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 respectively by diode D1, diode D2, diode D3 is connected.
3. a kind of silicon controlled rectifier protecting according to claim 1 and triggering power supply circuits, it is characterized in that: the plus earth of described diode D1, diode D2, diode D3, negative pole is held with the A of controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and is connected.
4. a kind of silicon controlled rectifier protecting according to claim 1 and triggering power supply circuits, is characterized in that: be also connected to resistance R1, resistance R2, resistance R3 between the G end of described controllable silicon Q1, controllable silicon Q2, controllable silicon Q3 and K hold.
5. a kind of silicon controlled rectifier protecting according to claim 1 and triggering power supply circuits, is characterized in that: controllable silicon Q1, the controllable silicon Q2 of described controllable silicon half-controlled rectifier circuit, the A end of controllable silicon Q3 are all also connected with AC power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324084.4U CN204652255U (en) | 2015-05-18 | 2015-05-18 | A kind of silicon controlled rectifier protecting and triggering power supply circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324084.4U CN204652255U (en) | 2015-05-18 | 2015-05-18 | A kind of silicon controlled rectifier protecting and triggering power supply circuits |
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| Publication Number | Publication Date |
|---|---|
| CN204652255U true CN204652255U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520324084.4U Active CN204652255U (en) | 2015-05-18 | 2015-05-18 | A kind of silicon controlled rectifier protecting and triggering power supply circuits |
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| Country | Link |
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| CN (1) | CN204652255U (en) |
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2015
- 2015-05-18 CN CN201520324084.4U patent/CN204652255U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190624 Address after: 312300 No. 5 Ni Lu Road, Lianghu Industrial Park, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Fenglong Electrical Machinery Co., Ltd. Address before: 312000 Building 2, No. 51 Yuedongnan Road, Doumen Town, Yuecheng District, Shaoxing City, Zhejiang Province Patentee before: SHAOXING BEASIN MACHINERY & ELECTRIC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |