CN2927500Y - Voltage adjuster of AC generator for vehicle - Google Patents
Voltage adjuster of AC generator for vehicle Download PDFInfo
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- CN2927500Y CN2927500Y CN 200620032115 CN200620032115U CN2927500Y CN 2927500 Y CN2927500 Y CN 2927500Y CN 200620032115 CN200620032115 CN 200620032115 CN 200620032115 U CN200620032115 U CN 200620032115U CN 2927500 Y CN2927500 Y CN 2927500Y
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Abstract
The utility model relates to a voltage regulator for vehicle alternator, wherein, the voltage regulation and control unit output is connected with the excitation current control unit power tube trigger-base, the emitter and collector of excitation current control unit power tube are connected with positive and negative electrode separately and the collector or emitter output are connected with regulator output. Voltage regulator control unit comparator sampling the voltage input signal with one end connected to a more central component of the regulator conditioning control unit regulators conditioning control unit comparator output amplifier or amplified after a voltage regulator access control unit comparator sampling voltage signal input terminal. The utility model using double-conditioning for voltage and voltage regulators has the strong ability to adapt to the regulation and the function of eliminate instant over-voltage pulse thus put an end the production of increased power voltage and transient overvoltage effectively.
Description
One, technical field: the utility model relates to a kind of generator regulator, particularly relates to a kind of vehicle alternator voltage regulator.
Two, background technology: along with social development of science and technology, electronic equipment on the motor vehicles, vehicular electrical appliance get more and more, these instruments, equipment great majority are made accurate, cost an arm and a leg, use in order to guarantee that its safety is normal, must guarantee the quality and the precision of power supply, and vehicle power is mainly provided by generator, and the principal element of decision motor vehicle generator power generating quality quality is a generator voltage controller, same generator, the adjuster that serviceability is good will make its performance class be improved significantly.
Along with going deep into of reform and opening-up, rely on technology transfer and scientific and technical innovation, the technical merit of Domestic Automotive Industry is greatly improved, and has also driven developing rapidly of automotive regulator product simultaneously.We compare the still very big gap of existence with the foreign technology level at present.Trace it to its cause, be because the alternating current generator that China produces at present, voltage regulator aspect product design, the technology majority that is adopted is still copied the designed lines of the external 1980s, real autonomous Design development product seldom, in order to improve its quality of shelves and performance, great majority are just by adopting high power valve model and high-grade components and parts to solve problem.China utility model patent ZL 93233136.X: notification number CN 2160169Y discloses a kind of integrated circuit voltage regulator, comprises mounting box, and circuit is only by comparing output integration block IC, power switch ic chip 2, sample resistance R, R2, the pressure limiting resistance R, voltage stabilizing didoe DW and protection component capacitor C, diode D forms, the variation of sampling voltage is through IC, after relatively amplifying, by pressure limiting element R3, DW drive IC 2, the switching of control exciting current, thus realize the voltage-regulation order; China utility model patent ZL 93221586.6 notification number CN 2175138Y have proposed a kind of automobile intelligent voltage regulator; comprise the sampling unit of forming by resitstance voltage divider (1); accurate integrated package of pressure-stabilizing voltage comparing element (2) and intelligent merit string integrated package switch element (3); be used for regulating automobile current generator automatically to charge in batteries; make the voltage of storage battery keep stable; degree of regulation is higher, has short circuit, kinds of protect function such as overheated, under-voltage.
General voltage regulator circuit, present more domestic adjuster project on new comprise above-mentioned patent circuit, see that from the index of announcing performance is not significantly improved, and its disclosed degree of regulation is best also just reaches 0.1V, does not break through international most advanced level.Particularly when the generator condition of work is abominable, in case pernicious faults such as the situation or the charging circuit of speed change, hypervelocity, stall running disconnect, storage battery unloading suddenly take place, all can not carry out in good time effectively control to generating voltage, cause the generation transient overvoltage, or the generating voltage that makes out of control of voltage over a long time raise more than the three ten-day period of hot season, the ability to bear and the working range that exceed electrical equipment on the motor vehicles cause a hidden trouble even damage electrical equipment the safety of electrical equipment.
Three, utility model content:
Technical problem to be solved in the utility model: according to the instructions for use of modern automotive vehicle, sum up the real work situation of existing adjuster, design more intense, the brand-new motor vehicles voltage regulator of a kind of regulating power.
The technical scheme that the utility model adopted:
A kind of vehicle alternator voltage regulator, with the comparator is that core is formed the voltage-regulation control unit, with the power switch transistor is that core is formed the exciting curent control unit, an input of voltage-regulation control unit comparator connects reference voltage signal, another input connects the sampling voltage signal, reference voltage signal and sampling voltage signal are taken from adjuster generator incoming end, the output of voltage-regulation control unit comparator is directly or through connecting the base stage trigger end of exciting curent control unit power tube behind the amplifying circuit, the emitter and collector of exciting curent control unit power tube connects generator incoming end positive pole respectively, negative pole, the collector electrode of exciting curent control unit power tube or emitter-base bandgap grading output connect conditioner outlet end, it is that control unit is regulated in the voltage stabilizing that core is formed that one end of voltage-regulation control unit comparator sampling voltage signal input is connected with the comparator, the reference voltage signal that the control unit comparator is regulated in voltage stabilizing is connected generator two incoming ends respectively with the sampling voltage signal circuit, and the output that control unit comparator or amplifier are regulated in voltage stabilizing inserts voltage-regulation control unit comparator sampling voltage signal input part through amplifying the back.
Be connected with the source of stable pressure circuit with the generator incoming end, source of stable pressure circuit output burning voltage connects the power end of voltage-regulation control unit comparator, and the reference voltage signal of voltage-regulation control unit comparator is also taken from the voltage stabilizing output of voltage stabilizing circuit.
Be connected with the source of stable pressure circuit with the generator incoming end, the output of source of stable pressure circuit connects the power end that the control unit comparator is regulated in voltage stabilizing, the voltage stabilizing output that the reference voltage signal of voltage stabilizing adjusting control unit comparator is also taken from voltage stabilizing circuit.
Described vehicle alternator voltage regulator, resistance R 1, R2 is connected in series in adjuster generator incoming end, R1, the contact of R2 connects the in-phase end of voltage-regulation control unit IC1, resistance R 4 is formed the power end that source of stable pressure inserts IC1 with voltage-stabiliser tube DW2, the resistance R 3 that is connected in the contact of resistance R 4 and voltage-stabiliser tube DW2 provides reference voltage signal to be connected to the end of oppisite phase of IC1 with voltage-stabiliser tube DW1, the output of IC1 connects the control utmost point of exciting curent control unit power tube Q4 through transistor amplifier circuit, the emitter sending and receiving motor incoming end negative pole of power tube Q4, the collector electrode series diode D2 of power tube Q4 is connected in generator or anodal, the collector electrode output of power tube Q4 connects conditioner outlet end, the in-phase input end that control unit IC2 is regulated in voltage stabilizing connects by resistance R 13, the series circuit R13 that R14 and transistor Q2 base-emitter are formed, between the contact of R14, its inverting input connects sample circuit resistance R 11, the contact of R12, the output of IC2 connects the base stage of transistor Q3, the collector electrode of transistor Q3 connects source of stable pressure circuit out-put supply end by resistance R 15, and the collector electrode output of transistor Q3 inserts the sampling voltage input of voltage-regulation control unit IC1 by diode D3 coupling.
Described vehicle alternator voltage regulator, resistance R 1, the series arm that R2 forms is connected in adjuster generator incoming end, R1, the contact output voltage sampled signal of R2 inserts the end of oppisite phase of voltage-regulation control unit IC1, the reference voltage signal of its in-phase end input is provided by resistance R 3 and the voltage stabilizing circuit that voltage-stabiliser tube DW1 forms, resistance R 4 is formed the power end that source of stable pressure inserts voltage-regulation control unit IC1 and voltage stabilizing adjusting control unit IC2 with voltage-stabiliser tube DW2, the output of IC1 connects the control base stage of exciting curent control unit power tube Q4 through transistor amplifier circuit, the emitter sending and receiving motor incoming end positive pole of power tube Q4, the collector electrode series diode D2 of power tube Q4 is connected in generator incoming end negative pole, the collector electrode output of power tube Q4 connects conditioner outlet end, the in-phase input end that control unit IC2 is regulated in voltage stabilizing connects by resistance R 13, the series circuit R13 that R14 and transistor Q2 base-emitter are formed, between the contact of R14, its inverting input connects sample circuit resistance R 11, the contact of R12, the output of IC1 connects the base stage of transistor Q2, the collector electrode of transistor Q2 connects generator incoming end positive pole by resistance R 15, and the collector electrode output of transistor Q2 inserts the sampling voltage input of voltage-regulation control unit IC1 by diode D1 coupling.
Described vehicle alternator voltage regulator, resistance R 1, the series arm that R2 forms is connected in adjuster generator incoming end, R1, the contact output voltage sampled signal of R2 inserts the end of oppisite phase of voltage-regulation control unit IC1, resistance R 4 is formed the power end that source of stable pressure inserts IC1 with voltage-stabiliser tube DW2, the resistance R 3 that is connected in the contact of resistance R 4 and voltage-stabiliser tube DW2 provides reference voltage signal to be connected to the in-phase end of IC1 with voltage-stabiliser tube DW1, the output of IC1 connects the control base stage of exciting curent control unit power tube Q4 through transistor amplifier circuit, the emitter sending and receiving motor incoming end positive pole of power tube Q4, the collector electrode series diode D2 of power tube Q4 is connected in generator incoming end negative pole, the collector electrode output of power tube Q4 connects conditioner outlet end, the in-phase input end that control unit IC2 is regulated in voltage stabilizing connects by resistance R 13, the series circuit R13 that R14 and transistor Q2 base-emitter are formed, between the contact of R14, its inverting input connects sample circuit resistance R 11, the contact of R12, the output of IC1 connects the base stage of transistor Q2, the collector electrode of transistor Q2 connects source of stable pressure circuit out-put supply end by resistance R 15, and the collector electrode output of transistor Q3 inserts the sampling voltage input of voltage-regulation control unit IC1 by diode D1 coupling.
Described vehicle alternator voltage regulator; the comparator sampled signal input that control unit and voltage-regulation control unit are regulated in voltage stabilizing is connected with filter capacitor; be connected with feedback circuit between the input and output of voltage-regulation control unit IC1, the exciting curent control unit is provided with the power tube protective circuit.
Useful good effect of the present utility model:
1, the utility model adjuster adopts voltage stabilizing adjusting and the dual control of voltage-regulation, has the function that the transient overvoltage pulse is eliminated in high performance regulating power and adaptation and absorption, and stops the rising of generating voltage and the generation of transient overvoltage effectively.This application sample detects through national authority department, main performance all reaches and surpasss the advanced world level, as rotary speed property is 0V or near 0V, load characteristic is 0V or is better than 0.1V, basically reach perfect condition, particularly the voltage-regulation performance under harsh conditions such as hypervelocity stall, charging circuit blocking-up, storage battery removal also can remain in the scope that GB requires, and still can not surpass 28.3V as at this moment rotary speed property in the 28V electric system.
2, the utility model is by adjusting circuit structure and logical relation at different levels, guarantee that front stage circuits is in conducting state when power tube turn-offs, make prime can avoid the impact of pulse voltage, can pulse voltage absorb again, reduced the amplitude of pulse voltage significantly.Circuit structure is simple, and cost is low, superior performance, long service life.
3, the utility model is broken through the tactic pattern of existing adjuster, by increasing reference voltage source and pre-amplification circuit, guaranteed the consistency of producing in batches, the sensitivity and the accuracy of circuit working have been improved, play reduction device operating voltage, reduced power consumption, improved deglitch and overvoltage impact, improve the effect of device reliability, improved the stability of circuit working.
Four, description of drawings:
Fig. 1: one of voltage-regulation control unit circuit schematic diagram
Fig. 2: two of voltage-regulation control unit circuit schematic diagram
Fig. 3: three of voltage-regulation control unit circuit schematic diagram
Fig. 4: stable regulation control unit circuit schematic diagram
Fig. 5: the adjuster circuit schematic diagram that is used for the external earth alternating current generator
Fig. 6: be used for one of adjuster circuit schematic diagram of internal earth alternating current generator
Fig. 7: be used for the internal earth alternating current generator the adjuster circuit schematic diagram two
Fig. 8: be used for the internal earth alternating current generator the adjuster circuit schematic diagram three
Fig. 9: be used for the internal earth alternating current generator the adjuster circuit schematic diagram four
Five, embodiment:
Embodiment one: the utility model vehicle alternator voltage regulator, contain generator incoming end and conditioner outlet end, its circuit is formed and comprised: control unit is regulated in voltage stabilizing, the voltage-regulation control unit, the exciting curent control unit, the end that output is direct or the further sampling voltage signal that amplifies back access voltage-regulation control unit amplifier of process is imported of control unit is regulated in voltage stabilizing, direct or the further base stage trigger end that amplifies back connection exciting curent control unit power tube of process of the output of voltage-regulation control unit, the emitter and collector of exciting curent control unit power tube connects the generator incoming end respectively, and the collector electrode of exciting curent control unit power tube or emitter-base bandgap grading output connect conditioner outlet end.
The voltage-regulation control unit is realized control signal is regulated in signals collecting, processing and the generation of generator for electricity generation voltage and output voltage, and circuit theory is referring to Fig. 1, Fig. 2, Fig. 3; When voltage stabilizing is regulated control unit and is realized generator accidental cause causes generating voltage to raise because speed change is too fast, rotating speed is too high, underload and charging circuit open circuit suddenly etc. at work, by changing the sampling voltage ratio of sample circuit, improve the effect of regulating power, the basic circuit principle is referring to Fig. 4.Resistance R 1 among Fig. 1, R2 is composed in series sample circuit and is connected in adjuster generator input, R1, the contact output voltage sampled signal of R2 inserts the in-phase end of IC1, resistance R 4 is formed the power end that source of stable pressure inserts IC1 with voltage-stabiliser tube DW2, the resistance R 3 that is connected in the contact of resistance R 4 and voltage-stabiliser tube DW2 provides reference voltage signal to be connected to the end of oppisite phase of IC1 with voltage-stabiliser tube DW1, the amplifying circuit that the output of IC1 is formed through transistor connects the exciting curent control unit, this moment, exciting curent control unit power tube adopted the NPN pipe, and adjuster is applicable to the external earth alternating current generator; Fig. 2, Fig. 3 are its equivalent electric circuit, reference voltage signal and sampling voltage signal insert the in-phase end and the backward end of comparator respectively among Fig. 2, adjuster is applicable to the internal earth alternating current generator, this moment, exciting curent control unit power tube adopted the PNP pipe, the access point difference of crystal amplifier power supply in addition, Fig. 3 compares with Fig. 2 and has omitted benchmark voltage stabilizing didoe DW1, and the burning voltage that reference signal is provided by DW2 is through R3, R0 dividing potential drop gained; Among Fig. 4, the in-phase input end of IC2 connects by resistance R 13, the series circuit R13 that R14 and transistor Q2 base-emitter are formed, between the contact of R14, inverting input connects sample circuit resistance R 11, the contact of R12, the collector output of transistor Q2 inserts the voltage-regulation control unit by the diode D1 that is just connecing, resistance R 11 is set, the size of R12, make its voltage ratio when generator voltage is in the normal regulating value less than added voltage on its in-phase input end (the pressure drop sum of voltage drop on the R14 and Q2 be knot), IC2 output this moment high potential, Q2 is in conducting state, its output is an electronegative potential, reverse bias, resistance R 15 equivalences are connected across between the power positive cathode, not influence of circuit to the back, when IC2 rises its output eminence in conducting state owing to supply voltage, Q2 ends, the output high potential, resistance R 15 just is elevated with the node place current potential of diode D1, D1 is in the forward conduction state, R15 is connected with the rear portion circuit by D1, plays the effect that changes rear portion circuit equivalent parameter.
Referring to Fig. 5, be present embodiment vehicle alternator voltage modulator circuit schematic diagram.Form by voltage stabilizing adjusting control unit shown in Figure 4 with by voltage-regulation control unit shown in Figure 1, with voltage comparator exclusive disjunction amplifier is core, the exciting curent control unit is that core is formed with the high-power switching transistor, the power tube collector electrode is just meeting diode D2 and is connecting the generator output plus terminal, and power tube output is adjuster output.
Add one-level control letter signal amplification circuit behind the comparator, it is the ability that drives high-power generator in order to improve, according to the demand of power switch pipe and the bonding form of generator, transistor Q1 can select NPN or PNP transistor for use, determines that principle is that power switch pipe turn-offs when the signal voltage of sample circuit is higher than reference voltage.The present embodiment generator is an external earth, and what transistor Q1 adopted is NPN transistor.
Embodiment two: referring to Fig. 6, the present embodiment circuit structure is identical with embodiment one substantially.The part that has the sample circuit of the just voltage stabilizing control unit reference signal of change to be connected power supply with transistor Q1 slightly changes the direct-power generator output voltage terminal into by being connected to DW2.In addition, because controlled object has become internal earth by external earth, so the conduction polarity of power switch pipe becomes positive-negative-positive by the NPN type, in order to keep the correct switching logic relation of entire circuit, in voltage regulator circuit, same, the inverting input of comparator IC2 are also exchanged.In the present embodiment, step-down current-limiting resistance R3 in the reference signal source and resistance R 6 direct positive poles at the complete machine power supply, doing does not like this influence the resistivity of circuit to overvoltage and pulse voltage, because under the condition of work that produces overvoltage and pulse voltage, foregoing circuit just is in conducting state, not only can not impact, but also have the character that absorbs pulse voltage device.
Embodiment three: referring to Fig. 7, present embodiment is used for the adjuster of internal earth alternating current generator for another.The circuit of its prime constitutes identical with embodiment two, and the voltage-regulation control section is because the control signal amplifier tube has adopted the triode of PNP conductive structure, and its circuit has been made corresponding change, with the logical relation of regulating circuit, reaches the purpose of correct adjusting.
Embodiment four: referring to Fig. 8, present embodiment is used for the internal earth alternating current generator.Compare many capacitor C 1, C3 in the circuit, resistance R 5, R with embodiment three
*, R
*Be the protective circuit of core with Q3.Wherein the effect of C1, C3 is the antijamming capability that improves signal deteching circuit; The effect of R5 is to introduce positive feedback to IC1 to improve speed reversal; R
*, R
*Be to adjust resistance, effect is the precision that improves regulated value; The effect that with Q3 is the element circuit of core is that power tube is carried out overcurrent and short-circuit protection.
Embodiment five: referring to Fig. 9, present embodiment is used for the internal earth alternating current generator.Compare with embodiment four, the switching power tube of control exciting curent has adopted field-effect transistor.All the other are identical with embodiment four.
For the external earth alternating current generator, the switching power tube in the application circuit can be substituted by the field-effect transistor of identical conduction type equally.As the Q4 among Fig. 5.
Claims (7)
1, a kind of vehicle alternator voltage regulator, with the comparator is that core is formed the voltage-regulation control unit, with the power switch transistor is that core is formed the exciting curent control unit, an input of voltage-regulation control unit comparator connects reference voltage signal, another input connects the sampling voltage signal, reference voltage signal and sampling voltage signal are taken from adjuster generator incoming end, the output of voltage-regulation control unit comparator is directly or through connecting the base stage trigger end of exciting curent control unit power tube behind the amplifying circuit, the emitter and collector of exciting curent control unit power tube connects generator incoming end positive pole respectively, negative pole, the collector electrode of exciting curent control unit power tube or emitter-base bandgap grading output connect conditioner outlet end, it is characterized in that: it is that control unit is regulated in the voltage stabilizing that core is formed that an end of voltage-regulation control unit comparator sampling voltage signal input is connected with the comparator, the reference voltage signal that the control unit comparator is regulated in voltage stabilizing is connected generator two incoming ends respectively with the sampling voltage signal circuit, and the output that control unit comparator or amplifier are regulated in voltage stabilizing inserts voltage-regulation control unit comparator sampling voltage signal input part through amplifying the back.
2, vehicle alternator voltage regulator according to claim 1, it is characterized in that: be connected with the source of stable pressure circuit with the generator incoming end, source of stable pressure circuit output burning voltage connects the power end of voltage-regulation control unit comparator, and the reference voltage signal of voltage-regulation control unit comparator is also taken from the voltage stabilizing output of voltage stabilizing circuit.
3, vehicle alternator voltage regulator according to claim 1 and 2, it is characterized in that: be connected with the source of stable pressure circuit with the generator incoming end, the output of source of stable pressure circuit connects the power end that the control unit comparator is regulated in voltage stabilizing, the voltage stabilizing output that the reference voltage signal of voltage stabilizing adjusting control unit comparator is also taken from voltage stabilizing circuit.
4, vehicle alternator voltage regulator according to claim 1, it is characterized in that: the sampling voltage signal that voltage-regulation control unit comparator input terminal connects is by resistance R 1, the series arm that R2 forms provides, resistance R 1, R2 is connected in series in adjuster generator incoming end, R1, the contact of R2 connects the in-phase end of voltage-regulation control unit IC1, resistance R 4 is formed the power end that source of stable pressure inserts IC1 with voltage-stabiliser tube DW2, the resistance R 3 that is connected in the contact of resistance R 4 and voltage-stabiliser tube DW2 provides reference voltage signal to be connected to the end of oppisite phase of IC1 with voltage-stabiliser tube DW1, the output of IC1 connects the control utmost point of exciting curent control unit power tube Q4 through transistor amplifier circuit, the emitter sending and receiving motor incoming end negative pole of power tube Q4, the collector electrode series diode D2 of power tube Q4 is connected in the positive pole of generator, the collector electrode output of power tube Q4 connects conditioner outlet end, the in-phase input end that control unit IC2 is regulated in voltage stabilizing connects by resistance R 13, the series circuit R13 that R14 and transistor Q2 base-emitter are formed, between the contact of R14, its inverting input connects sample circuit resistance R 11, the contact of R12, the output of IC2 connects the base stage of transistor Q3, the collector electrode of transistor Q3 connects source of stable pressure circuit out-put supply end by resistance R 15, and the collector electrode output of transistor Q3 inserts the sampling voltage input of voltage-regulation control unit IC1 by diode D3 coupling.
5, vehicle alternator voltage regulator according to claim 1, it is characterized in that: the sampling voltage signal that voltage-regulation control unit comparator input terminal connects is by resistance R 1, the series arm that R2 forms provides, resistance R 1, the series arm that R2 forms is connected in adjuster generator incoming end, R1, the contact output voltage sampled signal of R2 inserts the end of oppisite phase of voltage-regulation control unit IC1, the reference voltage signal of its in-phase end input is provided by resistance R 3 and the voltage stabilizing circuit that voltage-stabiliser tube DW1 forms, resistance R 4 is formed the power end that source of stable pressure inserts voltage-regulation control unit IC1 and voltage stabilizing adjusting control unit IC2 with voltage-stabiliser tube DW2, the output of IC1 connects the control base stage of exciting curent control unit power tube Q4 through transistor amplifier circuit, the emitter sending and receiving motor incoming end positive pole of power tube Q4, the collector electrode series diode D2 of power tube Q4 is connected in generator incoming end negative pole, the collector electrode output of power tube Q4 connects conditioner outlet end, the in-phase input end that control unit IC2 is regulated in voltage stabilizing connects by resistance R 13, the series circuit R13 that R14 and transistor Q2 base-emitter are formed, between the contact of R14, its inverting input connects sample circuit resistance R 11, the contact of R12, the output of IC1 connects the base stage of transistor Q2, the collector electrode of transistor Q2 connects generator incoming end positive pole by resistance R 15, and the collector electrode output of transistor Q2 inserts the sampling voltage input of voltage-regulation control unit IC1 by diode D1 coupling.
6, vehicle alternator voltage regulator according to claim 1, it is characterized in that: the sampling voltage signal that voltage-regulation control unit comparator input terminal connects is by resistance R 1, the series arm that R2 forms provides, resistance R 1, the series arm that R2 forms is connected in adjuster generator incoming end, R1, the contact output voltage sampled signal of R2 inserts the end of oppisite phase of voltage-regulation control unit IC1, resistance R 4 is formed the power end that source of stable pressure inserts IC1 with voltage-stabiliser tube DW2, the resistance R 3 that is connected in the contact of resistance R 4 and voltage-stabiliser tube DW2 provides reference voltage signal to be connected to the in-phase end of IC1 with voltage-stabiliser tube DW1, the output of IC1 connects the control base stage of exciting curent control unit power tube Q4 through transistor amplifier circuit, the emitter sending and receiving motor incoming end positive pole of power tube Q4, the collector electrode series diode D2 of power tube Q4 is connected in generator incoming end negative pole, the collector electrode output of power tube Q4 connects conditioner outlet end, the in-phase input end that control unit IC2 is regulated in voltage stabilizing connects by resistance R 13, the series circuit R13 that R14 and transistor Q2 base-emitter are formed, between the contact of R14, its inverting input connects sample circuit resistance R 11, the contact of R12, the output of IC1 connects the base stage of transistor Q2, the collector electrode of transistor Q2 connects source of stable pressure circuit out-put supply end by resistance R 15, and the collector electrode output of transistor Q3 inserts the sampling voltage input of voltage-regulation control unit IC1 by diode D1 coupling.
7, according to claim 4 or 5 or 6 described vehicle alternator voltage regulators; it is characterized in that: the comparator sampled signal input that control unit and voltage-regulation control unit are regulated in voltage stabilizing is connected with filter capacitor; be connected with feedback circuit between the input and output of voltage-regulation control unit IC1, the exciting curent control unit is provided with the power tube protective circuit.
Priority Applications (1)
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CN 200620032115 CN2927500Y (en) | 2006-05-30 | 2006-05-30 | Voltage adjuster of AC generator for vehicle |
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CN 200620032115 CN2927500Y (en) | 2006-05-30 | 2006-05-30 | Voltage adjuster of AC generator for vehicle |
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CN 200620032115 Expired - Fee Related CN2927500Y (en) | 2006-05-30 | 2006-05-30 | Voltage adjuster of AC generator for vehicle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105577053A (en) * | 2016-02-01 | 2016-05-11 | 杨明 | Trigger and generator voltage regulator |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105790659A (en) * | 2016-01-30 | 2016-07-20 | 杨明 | Voltage regulation method for restricting overtime excitation and voltage regulator |
CN105790659B (en) * | 2016-01-30 | 2019-01-08 | 佛山中锦微电科技有限公司 | Limit the voltage adjusting method and voltage regulator of overtime excitation |
CN105577053A (en) * | 2016-02-01 | 2016-05-11 | 杨明 | Trigger and generator voltage regulator |
CN105577053B (en) * | 2016-02-01 | 2020-11-17 | 西安智财全技术转移中心有限公司 | Trigger and generator voltage regulator |
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Granted publication date: 20070725 |