CN201797478U - Permanent magnet three-phase alternating current generator silicon-controlled rectifier rectifying and voltage stabilizing device using embedded microcontroller - Google Patents

Permanent magnet three-phase alternating current generator silicon-controlled rectifier rectifying and voltage stabilizing device using embedded microcontroller Download PDF

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Publication number
CN201797478U
CN201797478U CN2010205319307U CN201020531930U CN201797478U CN 201797478 U CN201797478 U CN 201797478U CN 2010205319307 U CN2010205319307 U CN 2010205319307U CN 201020531930 U CN201020531930 U CN 201020531930U CN 201797478 U CN201797478 U CN 201797478U
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resistance
rectifier diode
filtering capacitor
pole
transistor
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CN2010205319307U
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Chinese (zh)
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张振峰
胡海洋
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HENGYANG ZHONGWEI TECHNOLOGY DEVELOPMENT Co Ltd
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HENGYANG ZHONGWEI TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The utility model discloses a permanent magnet three-phase alternating current generator silicon-controlled rectifier rectifying and voltage stabilizing device using an embedded microcontroller. The device comprises a silicon-controlled rectifier half-controlled bridge type rectifier circuit, a three-phase bridge type full-wave rectifier circuit, a double-stage direct current voltage stabilizing circuit, a silicon-controlled rectifier gate pole control circuit, a voltage sampling control circuit and a synchronous circuit, wherein a power supply consisting of the three-phase bridge type full-wave rectifier circuit and the double-stage direct current voltage stabilizing circuit in the rectifying device provides power for the embedded microcontroller and the silicon-controlled rectifier gate pole control circuit. In the device, output voltage of the permanent magnet generator voltage stabilizing device is adjusted by high-accuracy analog-to-digital (A/D) conversion technology, digital voltage comparison technology and synchronous switch technology, so that synchronous triggering of the silicon-controlled rectifier is realized, and the voltage control accuracy of the voltage stabilizing device is greatly improved.

Description

Adopt the permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device of embedded microcontroller
Technical field
The utility model relates to permanent magnet generator output voltage voltage stabilizing technique, particularly a kind of permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device that adopts embedded microcontroller.
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, and 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, generally adopt at present and be: one, machinery or the electronic switch short circuit electric energy in parallel method of releasing; Two, machinery or electrical adjustment series resistance voltage drop method; Three, voltage regulation way such as single-phase or three-phase half control controllable silicon bridge-type rectification circuit voltage stabilizing method.The precision of voltage regulation of above-mentioned voltage regulation way is all not high, can not satisfy the requirement of permanent magnet generator output voltage stabilization fully.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and the permanent magnetism threephase alternator silicon controlled rectifier that a kind of circuit working is reliable, the precision of voltage regulation is high stable-pressure device is provided.
The technical solution of the utility model is: a kind of permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device that adopts embedded microcontroller comprises the three-phase controllable silicon half-controlling bridged rectifier circuit of being made up of rectifier diode 1, rectifier diode 2, rectifier diode 3, one-way SCR 4, one-way SCR 5, one-way SCR 6, diac 7, diac 8 and filtering capacitor 34; The three-phase bridge full-wave rectifying circuit of forming by rectifier diode 1, rectifier diode 2, rectifier diode 3, rectifier diode 10, rectifier diode 11 and two commutating pole pipes 12; The twin-stage direct current regulation circuit of forming by filtering capacitor 14, resistance 15, transistor 16, voltage stabilizing two utmost points 17, filtering capacitor 18, three terminal regulator 19 and filtering capacitor 18; The controllable silicon gate pole control circuit of forming by diac 7, diac 8, diac 9, current-limiting resistance 31, transistor 30, resistance 28, resistance 29, transistor 27, resistance 25 and resistance 27; The voltage sampling control circuit of forming by embedded microcontroller 21, sample resistance 32, sample resistance 33 and filtering capacitor 34; The synchronous circuit of forming by diode 13, resistance 22, voltage stabilizing didoe 23, resistance 24.
In the circuit that the utility model provides, input terminal 38, input terminal 39, input terminal 40 ends load the three-phase alternating voltage of permanent magnetism threephase alternator, input terminal 38 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 39 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 40 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 14, resistance 15, the collector electrode of transistor 16, the collector electrode of transistor 30, resistance 29 connects, resistance 29 other ends and resistance 28, the collector electrode of transistor 27 connects, the base stage of transistor 27 and resistance 25, resistance 26 connects, the other end of resistance 25 connects the control end of embedded microprocessor, the other end of resistance 15 connects the negative pole of voltage stabilizing didoe 17 and the base stage of transistor 16, the emitter of transistor 16 is connected with three terminal regulator 19 voltage input ends with the positive pole of filtering capacitor 18, three terminal regulator 19 voltage output ends are connected with the positive pole of filtering capacitor 20 and the power supply+end of embedded microprocessor, 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 32, the positive pole of filtering capacitor 35 and lead-out terminal 36 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 31, the other end of current-limiting resistance 31 is connected with the emitter of transistor 30, embedded microcontroller device AD end and sample resistance 32, sample resistance 33 and filtering capacitor 34 connect the positive pole of rectifier diode 1, the positive pole of rectifier diode 2, the positive pole of rectifier diode 3, filtering capacitor 14 negative poles, the positive pole of voltage stabilizing didoe 17, the negative pole of filtering capacitor 18, three terminal regulator 19 earth terminals, the negative pole of filtering capacitor 20, the emitter of transistor 27, resistance 26 other ends, embedded microcontroller 21 earth terminals, the positive pole of voltage stabilizing didoe 23, sample resistance 33 other ends, filtering capacitor 34 other ends, filtering capacitor 35 other ends and lead-out terminal 37 ground connection.
Its operation principle of the silicon controlled rectifier 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 14, resistance 15, transistor 16, voltage stabilizing two utmost points 17, filtering capacitor 18, the twin-stage direct current regulation circuit filtering voltage regulation that three terminal regulator 19 and filtering capacitor 18 are formed, then to by diac 7, diac 8, diac 9, current-limiting resistance 31, transistor 30, resistance 28, resistance 29, transistor 27, the controllable silicon gate pole control circuit that resistance 25 and resistance 27 are formed, embedded microcontroller 21, sample resistance 32, the voltage sampling control circuit that sample resistance 33 and filtering capacitor 34 are formed provides working power, and circuit is started working.The synchronous circuit that diode 13, resistance 22, voltage stabilizing didoe 23, resistance 24 are formed provides synchronizing signal to embedded microcontroller 21.
The voltage U i that sample resistance 28 and sample resistance 29 are obtained from output voltage U out dividing potential drop sends into embedded microcontroller AD input, when synchronizing signal arrives, computer enters interrupt service routine, at this moment begin to carry out the AD conversion, the target setting voltage stabilizing value U value corresponding that prestores among the EEPROM in numerical value after the conversion and the sheet is carried out computing, drive transistor 30 according to operation result from microprocessor controls end output control signal, open or turn-off controllable silicon according to certain requirement, thereby realized the silicon controlled synchronous triggering.The monolithic computer of embedded microcontroller inside is carried out the program of establishment in advance.
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, embedded microcontroller 21 control output ends are low level, transistor 22 ends, transistor 30 conductings, rectifier diode 1, rectifier diode 2, rectifier diode 3, rectifier diode 10, the three-phase full-wave bridge rectification power 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, embedded microcontroller 21 control output ends are high level, transistor 27 conductings, transistor 30 ends, three-phase full-wave bridge rectification power 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, the monolithic computer chip of the embedded microcontroller inside of Cai Yonging is integrated ROM/EPROM, RAM, bus, bus logic, Timer, house dog, I/O, serial port, pulse-width modulation output, A/D, D/A, various necessary functions and peripheral hardwares such as Flash RAM, EEPROM, peripheral hardware aboundresources on the sheet, its maximum characteristics are singualtion, volume reduces, power consumption and cost descend, reliability improves greatly, are particularly suitable for the control of permanent magnet generator rectifying and voltage-stabilizing device output voltage.
2, adopt high-precision A/D switch technology, digital voltage comparison techniques and synchro switch technology to regulate the output voltage of permanent magnet generator voltage stabilizing device, improved the degree of regulation of output voltage greatly.
3, when synchronizing signal arrives, the computer of embedded microcontroller inside enters interrupt service routine, begin to carry out the AD conversion, the target setting voltage stabilizing value U value corresponding that prestores among the EEPROM in numerical value after the conversion and the sheet is carried out computing, drive transistor 30 according to operation result, open or turn-off controllable silicon, thereby realized the silicon controlled synchronous triggering.
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 that adopts embedded microcontroller comprises the three-phase controllable silicon half-controlling bridged rectifier circuit of being made up of rectifier diode 1, rectifier diode 2, rectifier diode 3, one-way SCR 4, one-way SCR 5, one-way SCR 6, diac 7, diac 8 and filtering capacitor 34; The three-phase bridge full-wave rectifying circuit of forming by rectifier diode 1, rectifier diode 2, rectifier diode 3, rectifier diode 10, rectifier diode 11 and two commutating pole pipes 12; The twin-stage direct current regulation circuit of forming by filtering capacitor 14, resistance 15, transistor 16, voltage stabilizing two utmost points 17, filtering capacitor 18, three terminal regulator 19 and filtering capacitor 18; The controllable silicon gate pole control circuit of forming by diac 7, diac 8, diac 9, current-limiting resistance 31, transistor 30, resistance 28, resistance 29, transistor 27, resistance 25 and resistance 27; The voltage sampling control circuit of forming by embedded microcontroller 21, sample resistance 32, sample resistance 33 and filtering capacitor 34; The synchronous circuit of forming by diode 13, resistance 22, voltage stabilizing didoe 23, resistance 24.
In the circuit that the utility model provides, input terminal 38, input terminal 39, input terminal 40 ends load the three-phase alternating voltage of permanent magnetism threephase alternator, input terminal 38 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 39 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 40 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 14, resistance 15, the collector electrode of transistor 16, the collector electrode of transistor 30, resistance 29 connects, resistance 29 other ends and resistance 28, the collector electrode of transistor 27 connects, the base stage of transistor 27 and resistance 25, resistance 26 connects, the other end of resistance 25 connects the control end of embedded microprocessor, the other end of resistance 15 connects the negative pole of voltage stabilizing didoe 17 and the base stage of transistor 16, the emitter of transistor 16 is connected with three terminal regulator 19 voltage input ends with the positive pole of filtering capacitor 18, three terminal regulator 19 voltage output ends are connected with the positive pole of filtering capacitor 20 and the power supply+end of embedded microprocessor, 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 32, the positive pole of filtering capacitor 35 and lead-out terminal 36 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 31, the other end of current-limiting resistance 31 is connected with the emitter of transistor 30, embedded microcontroller device AD end and sample resistance 32, sample resistance 33 and filtering capacitor 34 connect the positive pole of rectifier diode 1, the positive pole of rectifier diode 2, the positive pole of rectifier diode 3, filtering capacitor 14 negative poles, the positive pole of voltage stabilizing didoe 17, the negative pole of filtering capacitor 18, three terminal regulator 19 earth terminals, the negative pole of filtering capacitor 20, the emitter of transistor 27, resistance 26 other ends, embedded microcontroller 21 earth terminals, the positive pole of voltage stabilizing didoe 23, sample resistance 33 other ends, filtering capacitor 34 other ends, filtering capacitor 35 other ends and lead-out terminal 37 ground connection.

Claims (1)

1. a permanent magnetism threephase alternator silicon controlled rectifier stable-pressure device that adopts embedded microcontroller is characterized in that: comprise the three-phase controllable silicon half-controlling bridged rectifier circuit of being made up of rectifier diode (1), rectifier diode (2), rectifier diode (3), one-way SCR (4), one-way SCR (5), one-way SCR (6), diac (7), diac (8) and filtering capacitor (34); The three-phase bridge full-wave rectifying circuit of forming by rectifier diode (1), rectifier diode (2), rectifier diode (3), rectifier diode (10), rectifier diode (11) and two commutating pole pipes (12); The twin-stage direct current regulation circuit of forming by filtering capacitor (14), resistance (15), transistor (16), voltage stabilizing two utmost points (17), filtering capacitor (18), three terminal regulator (19) and filtering capacitor (18); The controllable silicon gate pole control circuit of forming by diac (7), diac (8), diac (9), current-limiting resistance (31), transistor (30), resistance (28), resistance (29), transistor (27), resistance (25) and resistance (27); The voltage sampling control circuit of forming by embedded microcontroller (21), sample resistance (32), sample resistance (33) and filtering capacitor (34); The synchronous circuit of forming by diode (13), resistance (22), voltage stabilizing didoe (23), resistance (24);
In circuit, input terminal (38), input terminal (39), input terminal (40) end loads the three-phase alternating voltage of permanent magnetism threephase alternator, input terminal (38) 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 (39) 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 (40) 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 (14), resistance (15), the collector electrode of transistor (16), the collector electrode of transistor (30), resistance (29) connects, resistance (29) other end and resistance (28), the collector electrode of transistor (27) connects, the base stage of transistor (27) and resistance (25), resistance (26) connects, the other end of resistance (25) connects the control end of embedded microprocessor, the other end of resistance (15) connects the negative pole of voltage stabilizing didoe (17) and the base stage of transistor (16), the emitter of transistor (16) is connected with three terminal regulator (19) voltage input end with the positive pole of filtering capacitor (18), three terminal regulator (19) voltage output end is connected with the positive pole of filtering capacitor (20) and the power supply+end of embedded microprocessor, 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 (32), the positive pole of filtering capacitor (35) and lead-out terminal (36) 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 (31), the other end of current-limiting resistance (31) is connected with the emitter of transistor (30), embedded microcontroller device AD end and sample resistance (32), sample resistance (33) and filtering capacitor (34) connect, the positive pole of rectifier diode (1), the positive pole of rectifier diode (2), the positive pole of rectifier diode (3), filtering capacitor (14) negative pole, the positive pole of voltage stabilizing didoe (17), the negative pole of filtering capacitor (18), three terminal regulator (19) earth terminal, the negative pole of filtering capacitor (20), the emitter of transistor (27), resistance (26) other end, embedded microcontroller (21) earth terminal, the positive pole of voltage stabilizing didoe (23), sample resistance (33) other end, filtering capacitor (34) other end, filtering capacitor (35) other end and lead-out terminal (37) ground connection.
CN2010205319307U 2010-09-10 2010-09-10 Permanent magnet three-phase alternating current generator silicon-controlled rectifier rectifying and voltage stabilizing device using embedded microcontroller Expired - Fee Related CN201797478U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931704A (en) * 2012-10-31 2013-02-13 华南理工大学 Solar energy and piezoelectricity power generation complementary charger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931704A (en) * 2012-10-31 2013-02-13 华南理工大学 Solar energy and piezoelectricity power generation complementary charger
CN102931704B (en) * 2012-10-31 2014-12-03 华南理工大学 Solar energy and piezoelectricity power generation complementary charger

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Granted publication date: 20110413

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