CN201781458U - Silicon controlled rectifier voltage stabilizer of permanent magnetic three-phase alternating-current generator - Google Patents
Silicon controlled rectifier voltage stabilizer of permanent magnetic three-phase alternating-current generator Download PDFInfo
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- CN201781458U CN201781458U CN2010205215399U CN201020521539U CN201781458U CN 201781458 U CN201781458 U CN 201781458U CN 2010205215399 U CN2010205215399 U CN 2010205215399U CN 201020521539 U CN201020521539 U CN 201020521539U CN 201781458 U CN201781458 U CN 201781458U
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Abstract
The utility model provides a silicon controlled rectifier (SCR) voltage stabilizer of a permanent magnetic three-phase alternating-current generator, which comprises an SCR half-controlled bridge-type rectifier circuit, a three-phase bridge-type full wave rectifier circuit, a direct-current voltage stabilizing circuit, an SCR gate control circuit and a high-precision voltage sampling and comparing circuit, wherein the three-phase bridge-type full wave rectifier circuit and the direct-current voltage stabilizing circuit are combined to form an independent power source which supplies the high-precision voltage sampling and comparing circuit and the SCR gate control circuit with power. The SCR voltage stabilizer of the permanent magnetic three-phase alternating-current generator adopts the special three-phase bridge-type full wave rectifier independent power source to supply the SCR gate control circuit and the high-precision voltage sampling and comparing circuit with power, so that the SCR voltage stabilizer of the permanent magnetic three-phase alternating-current generator can stably and reliably output electric energy regardless of a storage battery, thereby greatly improving the voltage control precision of the voltage stabilizer.
Description
Technical field
The utility model relates to permanent magnet generator output voltage voltage stabilizing technique, particularly a kind of employing high-accuracy voltage comparator is regulated output voltage, adopt independent current source to controllable silicon gate pole control circuit, high-accuracy voltage sampling rate than circuit supply, need not rely on charging accumulator and directly export the permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device of electric energy.
Background technology
At present, in the power supply of airborne vehicle, steamer, automobile, engineering machinery, wind power generation, adopt permanent magnet generator more and more general.The output voltage of permanent magnet generator is along with rotation speed change, and because of its working speed excursion is big, thereby the output voltage excursion is also big: output voltage height when rotating speed is high, output voltage was low when rotating speed was low, sometimes even differ 1-3 doubly.In order to stablize the output voltage of permanent magnetism threephase alternator, existing technology adopts machinery or the electronic switch short circuit electric energy in parallel voltage regulation ways such as method, machinery or electrical adjustment series resistance voltage drop method, single-phase or three-phase half control controllable silicon bridge-type rectification circuit voltage stabilizing method of releasing.Voltage comparator circuit in the three-phase half control controllable silicon bridge-type regulator rectifier circuit that adopts all adopts voltage stabilizing didoe and transistor to form at present, and its control precision is not high.In addition, in the prior art, controllable silicon gate pole control circuit, sampling and comparison circuit are generally by the powered by direct current after the rectification of three-phase half control controllable silicon bridge-type, the serious dependence of this supply power mode is recharged battery-operated, in case remove storage battery, when controlled the quitting work of three-phase half control controllable silicon bridge-type rectification circuit, controllable silicon gate pole control circuit, sampling and comparison circuit while also can dead electricity and quit work, therefore entire circuit does not insert storage battery with regard to cisco unity malfunction, limit the scope of application of three-phase half control controllable silicon bridge-type regulator rectifier circuit, directly exported the wind power magneto alternating current generator of direct current of voltage regulation energy etc. as needs.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of circuit working reliable, the permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device that the precision of voltage regulation is high.
The technical solution of the utility model is: a kind of permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device, comprise by rectifier diode 1, rectifier diode 2, rectifier diode 3, one-way SCR 4, one-way SCR 5, one-way SCR 6, diac 7, the three-phase controllable silicon half-controlling bridged rectifier circuit that diac 8 and filtering capacitor 31 are formed, by rectifier diode 1, rectifier diode 2, rectifier diode 3, rectifier diode 10, the three-phase bridge full-wave rectifying circuit that rectifier diode 11 and two commutating pole pipes 12 are formed, by filtering capacitor 17, resistance 18, transistor 19, the direct current regulation circuit that voltage stabilizing didoe 20 and filtering capacitor 21 are formed, by diac 7, diac 8, diac 9, current-limiting resistance 13, transistor 14, resistance 15, resistance 16, controllable silicon gate pole control circuit and pull-up resistor 24 that transistor 22 and resistance 23 are formed, high-accuracy voltage comparator 25, resistance 26, voltage stabilizing didoe 27, sample resistance 28, the high-accuracy voltage sampling comparison circuit that sample resistance 29 and filtering capacitor 30 are formed, wherein, constitute independent current source by three-phase bridge full-wave rectifying circuit and direct current regulation circuit, to high-accuracy voltage sampling comparison circuit and the power supply of controllable silicon gate pole control circuit.
In the permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device that the utility model provides, input terminal 34, input terminal 35, input terminal 36 ends load the three-phase alternating voltage of permanent magnetism threephase alternator, input terminal 34 connects the negative pole of rectifier diode 1, the positive pole of the anode of one-way SCR 4 and rectifier diode 10, input terminal 35 connects the negative pole of rectifier diode 2, the positive pole of the anode of one-way SCR 5 and rectifier diode 11, input terminal 36 connects the negative pole of rectifier diode 3, the positive pole of the anode of one-way SCR 6 and rectifier diode 12, the negative pole of rectifier diode 10, the positive pole of the negative pole of the negative pole of rectifier diode 11 and rectifier diode 12 and filtering capacitor 17, resistance 18, the collector electrode of transistor 14, the collector electrode of transistor 19, resistance 16 connects, resistance 16 other ends and resistance 15, the collector electrode of transistor 22 connects, resistance 18 other ends connect the base stage of transistor 19 and the negative pole of voltage stabilizing didoe 20, the other end of resistance 15 is connected with the base stage of transistor 14, the gate pole of one-way SCR 4 connects the negative pole of diac 7, the gate pole of one-way SCR 5 connects the negative pole of diac 8, the gate pole of one-way SCR 6 connects the negative pole of diac 9, the negative electrode of one-way SCR 4, the negative electrode of one-way SCR 5, the negative electrode of one-way SCR 6 and sample resistance 28, the positive pole of filtering capacitor 31 and lead-out terminal 32 connect, the positive pole of diac 7, the positive pole of the positive pole of diac 8 and diac 9 is connected with current-limiting resistance 13, the other end of current-limiting resistance 13 is connected with the emitter of transistor 14, the base stage of transistor 22 is connected with resistance 23, the other end of resistance 23 is connected with high-accuracy voltage comparator 25 outputs and pull-up resistor 24, the emitter of the other end of pull-up resistor 24 and transistor 19, the positive pole of filtering capacitor 21, high-accuracy voltage comparator 25 positive supply incoming ends and resistance 26 connect, the other end of resistance 26 is connected with the negative pole of high-accuracy voltage comparator 25 negative voltage inputs and voltage stabilizing didoe 27, high-accuracy voltage comparator 25 positive voltage inputs and sample resistance 28, sample resistance 29 and filtering capacitor 30 connect the positive pole of rectifier diode 1, the positive pole of rectifier diode 2, the positive pole of rectifier diode 3, the positive pole of voltage stabilizing didoe 20, the negative pole of filtering capacitor 17, the negative pole of filtering capacitor 21, the emitter of transistor 22, high-accuracy voltage comparator 25 negative supply earth terminals, the positive pole of voltage stabilizing didoe 27, sample resistance 29 other ends, filtering capacitor 30 other ends, the negative pole of filtering capacitor 31 and lead-out terminal 33 ground connection.
Its operation principle of permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device that the utility model provides is as follows: during the permanent magnet generator entry into service, rectifier diode 1, rectifier diode 2, rectifier diode 3, rectifier diode 10, the three-phase bridge full-wave rectifying circuit output DC that rectifier diode 11 and rectifier diode 12 constitute, again via filtering capacitor 17, resistance 18, voltage stabilizing didoe 20, the direct current stabilizer filtering voltage regulation that transistor 19 and filtering capacitor 21 are formed, then to by pull-up resistor 24, high-accuracy voltage comparator 25, resistance 26, voltage stabilizing didoe 27, sample resistance 28, the voltage sampling comparison circuit that sample resistance 29 and filtering capacitor 30 are formed reaches by diac 7, diac 8, diac 9, current-limiting resistance 13, transistor 14, resistance 15, resistance 16, the controllable silicon gate pole control circuit that transistor 22 and resistance 23 are formed provides working power, and circuit is started working.
The voltage of high-accuracy voltage comparator 25 negative voltage inputs is stabilized in magnitude of voltage Uw by voltage stabilizing didoe, and the voltage U i of high-accuracy voltage comparator 25 positive voltage inputs is obtained from output voltage U out dividing potential drop by sample resistance 28 and sample resistance 29.
During the permanent magnet generator running, if the output voltage U out of rectifying and voltage-stabilizing device is lower than the target voltage stabilizing value U of setting, at this moment Ui also is lower than Uw, high-accuracy voltage comparator 25 outputs are low level, transistor 22 ends, transistor 14 conductings, rectifier diode 1, rectifier diode 2, rectifier diode 3, rectifier diode 10, the three-phase bridge full-wave rectification independent current source that rectifier diode 11 and rectifier diode 12 constitute is anodal by transistor 14, resistance 13, diac 7, diac 8, diac 9 is respectively to one-way SCR 4, one-way SCR 5, the gate pole of one-way SCR 6 provides trigger current, the controllable silicon conducting, one-way SCR 4, one-way SCR 5, one-way SCR 6 and rectifier diode 1, rectifier diode 2, the three-phase controllable silicon half-controlling bridged rectifier circuit working that rectifier diode 3 constitutes, the target voltage stabilizing value U that direct voltage Uout the upward drift of lead-out terminal 32 outputs is set.
If the output voltage U out of rectifying and voltage-stabilizing device is higher than the target voltage stabilizing value U of setting, at this moment Ui is higher than Uw, high-accuracy voltage comparator 25 outputs are high level, transistor 22 conductings, transistor 14 ends, three-phase bridge full-wave rectification independent current source positive pole is no longer by transistor 14, resistance 13, diac 7, diac 8, diac 9 is respectively to one-way SCR 4, one-way SCR 5, the gate pole of one-way SCR 6 provides trigger current, controllable silicon ends, one-way SCR 4, one-way SCR 5, one-way SCR 6 and rectifier diode 1, rectifier diode 2, the three-phase controllable silicon half-controlling bridged rectifier circuit that rectifier diode 3 constitutes quits work, and the direct voltage Uout of lead-out terminal 32 outputs descends and tends to the target voltage stabilizing value U of setting.When output voltage U out drops to the target voltage stabilizing value U that is lower than setting, circuit repeats the above-mentioned course of work again, three-phase controllable silicon half-controlling bridged rectifier circuit is resumed work, and the direct voltage Uout of lead-out terminal 32 outputs is the target voltage stabilizing value U of the upward drift setting again.Circuit constantly repeats the above-mentioned course of work, makes the direct voltage Uout of lead-out terminal 32 outputs be stabilized in the target voltage stabilizing value U of setting.
The utility model compared with prior art has following characteristics:
1, adopts the high-accuracy voltage comparator to regulate the output voltage of permanent magnet generator voltage stabilizing device, improved control precision greatly;
2, adopt three-phase bridge full-wave rectification independent current source to controllable silicon gate pole control circuit, high-accuracy voltage sampling rate than circuit supply, therefore no matter whether insert storage battery, magneto alternator silicon controlled rectifier stable-pressure device can both reliablely and stablely be exported electric energy.
Below in conjunction with the drawings and specific embodiments detailed structure of the present utility model is further described.
Description of drawings
Accompanying drawing 1 is a circuit diagram of the present utility model.
Embodiment
As shown in Figure 1: a kind of permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device, comprise by rectifier diode 1, rectifier diode 2, rectifier diode 3, one-way SCR 4, one-way SCR 5, one-way SCR 6, diac 7, the controllable silicon half-controlling bridged rectifier circuit that diac 8 and filtering capacitor 31 are formed, by rectifier diode 1, rectifier diode 2, rectifier diode 3, rectifier diode 10, the three-phase bridge full-wave rectifying circuit that rectifier diode 11 and two commutating pole pipes 12 are formed, by filtering capacitor 17, resistance 18, transistor 19, the direct current regulation circuit that voltage stabilizing didoe 20 and filtering capacitor 21 are formed, by diac 7, diac 8, diac 9, current-limiting resistance 13, transistor 14, resistance 15, resistance 16, controllable silicon gate pole control circuit and pull-up resistor 24 that transistor 22 and resistance 23 are formed, high-accuracy voltage comparator 25, resistance 26, voltage stabilizing didoe 27, sample resistance 28, the voltage sampling comparison circuit that sample resistance 29 and filtering capacitor 30 are formed, wherein, constitute independent current source by three-phase bridge full-wave rectifying circuit and direct current regulation circuit, to high-accuracy voltage sampling comparison circuit and the power supply of controllable silicon gate pole control circuit.
In the permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device that the utility model provides, input terminal 34, input terminal 35, input terminal 36 ends load the three-phase alternating voltage of permanent magnetism threephase alternator, input terminal 34 connects the negative pole of rectifier diode 1, the positive pole of the anode of one-way SCR 4 and rectifier diode 10, input terminal 35 connects the negative pole of rectifier diode 2, the positive pole of the anode of one-way SCR 5 and rectifier diode 11, input terminal 36 connects the negative pole of rectifier diode 3, the positive pole of the anode of one-way SCR 6 and rectifier diode 12, the negative pole of rectifier diode 10, the positive pole of the negative pole of the negative pole of rectifier diode 11 and rectifier diode 12 and filtering capacitor 17, resistance 18, the collector electrode of transistor 14, the collector electrode of transistor 19, resistance 16 connects, resistance 16 other ends and resistance 15, the collector electrode of transistor 22 connects, resistance 18 other ends connect the base stage of transistor 19 and the negative pole of voltage stabilizing didoe 20, the other end of resistance 15 is connected with the base stage of transistor 14, the gate pole of one-way SCR 4 connects the negative pole of diac 7, the gate pole of one-way SCR 5 connects the negative pole of diac 8, the gate pole of one-way SCR 6 connects the negative pole of diac 9, the negative electrode of one-way SCR 4, the negative electrode of one-way SCR 5, the negative electrode of one-way SCR 6 and sample resistance 28, the positive pole of filtering capacitor 31 and lead-out terminal 32 connect, the positive pole of diac 7, the positive pole of the positive pole of diac 8 and diac 9 is connected with current-limiting resistance 13, the other end of current-limiting resistance 13 is connected with the emitter of transistor 14, the base stage of transistor 22 is connected with resistance 23, the other end of resistance 23 is connected with high-accuracy voltage comparator 25 outputs and pull-up resistor 24, the emitter of the other end of pull-up resistor 24 and transistor 19, the positive pole of filtering capacitor 21, high-accuracy voltage comparator 25 positive supply incoming ends and resistance 26 connect, the other end of resistance 26 is connected with the negative pole of high-accuracy voltage comparator 25 negative voltage inputs and voltage stabilizing didoe 27, high-accuracy voltage comparator 25 positive voltage inputs and sample resistance 28, sample resistance 29 and filtering capacitor 30 connect the positive pole of rectifier diode 1, the positive pole of rectifier diode 2, the positive pole of rectifier diode 3, the positive pole of voltage stabilizing didoe 20, the negative pole of filtering capacitor 17, the negative pole of filtering capacitor 21, the emitter of transistor 22, high-accuracy voltage comparator 25 negative supply earth terminals, the positive pole of voltage stabilizing didoe 27, sample resistance 29 other ends, filtering capacitor 30 other ends, the negative pole of filtering capacitor 31 and lead-out terminal 33 ground connection.
Claims (1)
1. permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device, it is characterized in that: comprise by rectifier diode (1), rectifier diode (2), rectifier diode (3), one-way SCR (4), one-way SCR (5), one-way SCR (6), diac (7), the controllable silicon half-controlling bridged rectifier circuit that diac (8) and filtering capacitor (31) are formed, by rectifier diode (1), rectifier diode (2), rectifier diode (3), rectifier diode (10), the three-phase bridge full-wave rectifying circuit that rectifier diode (11) and two commutating pole pipes (12) are formed, by filtering capacitor (17), resistance (18), transistor (19), the direct current regulation circuit that voltage stabilizing didoe (20) and filtering capacitor (21) are formed, by diac (7), diac (8), diac (9), current-limiting resistance (13), transistor (14), resistance (15), resistance (16), the controllable silicon gate pole control circuit that transistor (22) and resistance (23) are formed reaches by pull-up resistor (24), high-accuracy voltage comparator (25), resistance (26), voltage stabilizing didoe (27), sample resistance (28), the voltage sampling comparison circuit that sample resistance (29) and filtering capacitor (30) are formed, wherein three-phase bridge full-wave rectifying circuit and direct current regulation circuit constitute independent current source, to high-accuracy voltage sampling comparison circuit and the power supply of controllable silicon gate pole control circuit;
In permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device, input terminal (34), input terminal (35), input terminal (36) end loads the three-phase alternating voltage of permanent magnetism threephase alternator, input terminal (34) connects the negative pole of rectifier diode (1), the positive pole of the anode of one-way SCR (4) and rectifier diode (10), input terminal (35) connects the negative pole of rectifier diode (2), the positive pole of the anode of one-way SCR (5) and rectifier diode (11), input terminal (36) connects the negative pole of rectifier diode (3), the positive pole of the anode of one-way SCR (6) and rectifier diode (12), the negative pole of rectifier diode (10), the positive pole of the negative pole of the negative pole of rectifier diode (11) and rectifier diode (12) and filtering capacitor (17), resistance (18), the collector electrode of transistor (14), the collector electrode of transistor (19), resistance (16) connects, resistance (16) other end and resistance (15), the collector electrode of transistor (22) connects, resistance (18) other end connects the base stage of transistor (19) and the negative pole of voltage stabilizing didoe (20), the other end of resistance (15) is connected with the base stage of transistor (14), the gate pole of one-way SCR (4) connects the negative pole of diac (7), the gate pole of one-way SCR (5) connects the negative pole of diac (8), the gate pole of one-way SCR (6) connects the negative pole of diac (9), the negative electrode of one-way SCR (4), the negative electrode of one-way SCR (5), the negative electrode of one-way SCR (6) and sample resistance (28), the positive pole of filtering capacitor (31) and lead-out terminal (32) connect, the positive pole of diac (7), the positive pole of the positive pole of diac (8) and diac (9) is connected with current-limiting resistance (13), the other end of current-limiting resistance (13) is connected with the emitter of transistor (14), the base stage of transistor (22) is connected with resistance (23), the other end of resistance (23) is connected with high-accuracy voltage comparator (25) output and pull-up resistor (24), the emitter of the other end of pull-up resistor (24) and transistor (19), the positive pole of filtering capacitor (21), high-accuracy voltage comparator (25) positive supply incoming end and resistance (26) connect, the other end of resistance (26) is connected with the negative pole of high-accuracy voltage comparator (25) negative voltage input and voltage stabilizing didoe (27), high-accuracy voltage comparator (25) positive voltage input and sample resistance (28), sample resistance (29) and filtering capacitor (30) connect, the positive pole of rectifier diode (1), the positive pole of rectifier diode (2), the positive pole of rectifier diode (3), the positive pole of voltage stabilizing didoe (20), the negative pole of filtering capacitor (17), the negative pole of filtering capacitor (21), the emitter of transistor (22), high-accuracy voltage comparator (25) negative supply earth terminal, the positive pole of voltage stabilizing didoe (27), sample resistance (29) other end, filtering capacitor (30) other end, the negative pole of filtering capacitor (31) and lead-out terminal (33) ground connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205215399U CN201781458U (en) | 2010-09-04 | 2010-09-04 | Silicon controlled rectifier voltage stabilizer of permanent magnetic three-phase alternating-current generator |
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| CN2010205215399U CN201781458U (en) | 2010-09-04 | 2010-09-04 | Silicon controlled rectifier voltage stabilizer of permanent magnetic three-phase alternating-current generator |
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| CN201781458U true CN201781458U (en) | 2011-03-30 |
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| CN2010205215399U Expired - Lifetime CN201781458U (en) | 2010-09-04 | 2010-09-04 | Silicon controlled rectifier voltage stabilizer of permanent magnetic three-phase alternating-current generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951220A (en) * | 2010-09-04 | 2011-01-19 | 衡阳中微科技开发有限公司 | Silicon controlled rectifying voltage stabilizer for permanent magnet three-phase alternating-current generator |
| CN111969928A (en) * | 2020-08-19 | 2020-11-20 | 重庆和诚电器有限公司 | Control system and control method of full-wave half-control voltage regulator of motorcycle |
-
2010
- 2010-09-04 CN CN2010205215399U patent/CN201781458U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951220A (en) * | 2010-09-04 | 2011-01-19 | 衡阳中微科技开发有限公司 | Silicon controlled rectifying voltage stabilizer for permanent magnet three-phase alternating-current generator |
| CN101951220B (en) * | 2010-09-04 | 2012-08-29 | 衡阳中微科技开发有限公司 | Silicon controlled rectifying voltage stabilizer for permanent magnet three-phase alternating-current generator |
| CN111969928A (en) * | 2020-08-19 | 2020-11-20 | 重庆和诚电器有限公司 | Control system and control method of full-wave half-control voltage regulator of motorcycle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20120829 |