CN201937490U - SCR interphase short circuit rectifying and voltage-stabilizing circuit for three-phase voltage regulator - Google Patents
SCR interphase short circuit rectifying and voltage-stabilizing circuit for three-phase voltage regulator Download PDFInfo
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- CN201937490U CN201937490U CN2011200098321U CN201120009832U CN201937490U CN 201937490 U CN201937490 U CN 201937490U CN 2011200098321 U CN2011200098321 U CN 2011200098321U CN 201120009832 U CN201120009832 U CN 201120009832U CN 201937490 U CN201937490 U CN 201937490U
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Abstract
The utility model discloses an SCR (Silicon Controlled Rectifier) interphase short circuit rectifying and voltage-stabilizing circuit for a three-phase voltage regulator. The circuit comprises three SCRs and a voltage-stabilizing part formed by an SCR trigger circuit, wherein one SCR is arranged between the output ends of two arbitrary phases; and the output end of each phase is connected with the positive electrode of one SCR and the negative electrode of the other SCR. By overcoming the technical shortcoming in the present three-phase voltage regulator that electrical elements are damaged due to the high heat consumption, the utility model provides the SCR rectifying and voltage-stabilizing circuit, which has low power loss and less heat production.
Description
Technical field
The utility model relates to a kind of voltage commutation output control circuit, especially for the controllable silicon bridge-type regulator rectifier circuit on the three-phase magneto.
Background technology
Existing three-phase pressurizer extensively adopts controllable silicon shorted to earth slicing voltage-regulation principle in parallel, and this class adjuster all belongs to the voltage stabilizing circuit of " shorted to earth shunting ".The voltage regulation adjustor of controllable silicon shorted to earth slicing voltage-regulation principle, its rectifying part adopts full-wave bridge rectifier circuit, parallel controllable silicon shorted to earth leadage circuit is partly adopted in voltage stabilizing, its operation principle is to consume the too high output voltage of magneto by shorted to earth, in the hope of stablizing of load terminal voltage, such voltage stabilizing circuit is because by big electric current shorted to earth, rectifying pressurizer and generator coil be seriously heating all, very easily burns.
Summary of the invention
The purpose of this utility model is the deficiency at existing three-phase regulator technology, and the silicon controlled rectifier that a kind of power loss is little, quantity of heat production is few voltage stabilizing circuit is provided.
In order to solve the problems of the technologies described above, the utility model provides following scheme: a kind of controllable silicon phase fault formula regulator rectifier circuit of three-phase regulator, comprise the bridge rectifier part of forming by six diodes, six diodes are divided into three groups, the three-phase output end of corresponding magneto, each phase output terminal of magneto connects the positive pole of an interior on the same group diode, the negative pole of another diode;
The controllable silicon phase fault formula regulator rectifier circuit of described three-phase regulator also comprises the voltage stabilizing part of being made up of three controllable silicons and thyristor gating circuit thereof, just be provided with a described controllable silicon between any two phase output terminals, and each phase output terminal connects one of them silicon controlled anode, another silicon controlled negative electrode.
Adopt the utility model three-phase regulator controllable silicon phase fault formula regulator rectifier circuit, following technique effect is arranged: just be provided with a described controllable silicon between any two phase output terminals, and each phase output terminal connects a silicon controlled anode, another silicon controlled negative electrode.Then difference with the prior art is: the controllable silicon anode is earth-free, but it is relative with another controllable silicon negative electrode, be connected to a phase output terminal of generator, and according to connected mode of the present utility model, each phase output terminal and silicon controlled circuit connecting relation are identical, formed three alternate short-circuit cycle with this, i.e. the short circuit that changes phase fault into by the shorted to earth mode of releasing, the control of adding thyristor gating circuit can reduce the power consumption and the heat production of circuit itself.In actual motion, the utility model controllable silicon negative pole bridge rectifier voltage stabilizing circuit is than the regulator rectifier circuit of existing shorted to earth formula 5A low in energy consumption, and heat production is lacked 20 ℃.
The voltage stabilizing part comprises that also thyristor gating circuit, thyristor gating circuit comprise three diodes that are connected with three silicon controlled control utmost points respectively, and wherein the negative pole of three diodes directly is connected with three silicon controlled control utmost points.Utilize the unidirectional conducting of diode to realize silicon controlled is triggered control, avoid false triggering and controllable silicon to puncture because of anode flows backwards with the control electrode current; Fu Jia circuit structure belongs to prior art herein, is easy to realize.
Description of drawings
Below in conjunction with accompanying drawing and example technical solutions of the utility model are further specified:
Fig. 1 is the circuit theory diagrams of a kind of embodiment of the utility model.
Fig. 2 is the three-phase output end place corresponding with Fig. 1, the circuit theory diagrams behind local the amplification.
Embodiment
As shown in Figure 1, a kind of embodiment as the utility model controllable silicon phase fault formula regulator rectifier circuit, a kind of controllable silicon phase fault formula regulator rectifier circuit of three-phase regulator, comprise by six diode D1, D2, D3, D4, D5, the bridge rectifier part that D6 forms, six diode D1, D2, D3, D4, D5, D6 is divided into three groups (as D1, D4 is one group), the three-phase output end IN1 of corresponding magneto, IN2, IN3, each phase output terminal (as IN1) of magneto connects the positive pole of an interior on the same group diode (as D1), the negative pole of another diode (as D4);
The controllable silicon phase fault formula regulator rectifier circuit of described three-phase regulator also comprises the voltage stabilizing part of being made up of three controllable silicon SCR 1, SCR2, SCR3 and thyristor gating circuits thereof, just be provided with a described controllable silicon (as SCR1) between any two phase output terminals (as IN1, IN2), and each phase input (as IN1) connects the anode of one of them controllable silicon (as SCR1), the negative electrode of another controllable silicon (as SCR3).
Following is concrete operation principle:
The operation principle of short-circuit type voltage regulator: voltage regulator is when work, become direct current after the rectification circuit rectification of the alternating current of magneto output via six diode D1, D2, D3, D4, D5, D6 composition, when this voltage surpasses set point, send its triggering signal to controllable silicon SCR 1, SCR2, SCR3 respectively by the controlling of sampling circuit, make its conducting, make magne to coil be similar to short circuit, the magneto output voltage is carried out the slicing step-down, control voltage with the mode that reduces voltage and continue to raise, thereby reach pressure stabilization function.Like this, when by day not during big light opening, power consumption on the motorcycle seldom, and the magneto output voltage is very high, therefore, controllable silicon is in conducting state for a long time and forms short circuit and reduce too high voltage, and the energy major part of magneto output all consumes on magneto and voltage regulator, makes energy that magneto sends with hot form consumption.
The voltage stabilizing part also comprises thyristor gating circuit, thyristor gating circuit comprises respectively three diode D7, D8, the D9 that is connected with three silicon controlleds control utmost points, and wherein the negative pole of three diode D7, D8, D9 directly is connected with the control utmost point of three controllable silicon SCR 1, SCR2, SCR3.Utilize the unidirectional conducting of diode to realize silicon controlled is triggered control, avoid false triggering and controllable silicon to puncture because of anode flows backwards with the control electrode current; Fu Jia circuit structure belongs to prior art herein, is easy to realize.
For a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement, these also should be considered as protection range of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (2)
1. the controllable silicon phase fault formula regulator rectifier circuit of a three-phase regulator, comprise the bridge rectifier part of forming by six diodes, six diodes are divided into three groups, the three-phase output end of corresponding magneto, each phase output terminal of magneto connects the positive pole of an interior on the same group diode, the negative pole of another diode; The controllable silicon phase fault formula regulator rectifier circuit of described three-phase regulator also comprises the voltage stabilizing part of being made up of three controllable silicons and thyristor gating circuit thereof, it is characterized in that, just be provided with a described controllable silicon between any two phase output terminals, and each phase output terminal connects one of them silicon controlled anode, another silicon controlled negative electrode.
2. the controllable silicon phase fault formula regulator rectifier circuit of three-phase regulator according to claim 1, it is characterized in that: described thyristor gating circuit comprises three diodes that are connected with three silicon controlled control utmost points respectively, and wherein the negative pole of three diodes directly is connected with three silicon controlled control utmost points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200098321U CN201937490U (en) | 2011-01-13 | 2011-01-13 | SCR interphase short circuit rectifying and voltage-stabilizing circuit for three-phase voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200098321U CN201937490U (en) | 2011-01-13 | 2011-01-13 | SCR interphase short circuit rectifying and voltage-stabilizing circuit for three-phase voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201937490U true CN201937490U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200098321U Expired - Lifetime CN201937490U (en) | 2011-01-13 | 2011-01-13 | SCR interphase short circuit rectifying and voltage-stabilizing circuit for three-phase voltage regulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692944A (en) * | 2012-06-06 | 2012-09-26 | 重庆三信电子股份有限公司 | Integrated circuit special for motorcycle voltage regulator |
-
2011
- 2011-01-13 CN CN2011200098321U patent/CN201937490U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692944A (en) * | 2012-06-06 | 2012-09-26 | 重庆三信电子股份有限公司 | Integrated circuit special for motorcycle voltage regulator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |