CN2281615Y - Anti-short-circuit generator with stable voltage output and fault indicator - Google Patents

Anti-short-circuit generator with stable voltage output and fault indicator Download PDF

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Publication number
CN2281615Y
CN2281615Y CN 96242287 CN96242287U CN2281615Y CN 2281615 Y CN2281615 Y CN 2281615Y CN 96242287 CN96242287 CN 96242287 CN 96242287 U CN96242287 U CN 96242287U CN 2281615 Y CN2281615 Y CN 2281615Y
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CN
China
Prior art keywords
triode
winding
circuit
negative pole
resistance
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Expired - Fee Related
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CN 96242287
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Chinese (zh)
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李智田
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Individual
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Individual
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Priority to CN 96242287 priority Critical patent/CN2281615Y/en
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Publication of CN2281615Y publication Critical patent/CN2281615Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an anti-short-circuit generator with stable voltage output and fault indicator, which is composed of an exciting winding, an exciting power supply winding, an armature winding and an electronic regulating circuit. The utility model is characterized in that the utility model also comprises a fault display circuit, a short-circuit protection circuit and a constant voltage control circuit. The utility model has the advantages that the performance is stable; constant voltage can be output regardless speed of the generator and size of load; the functions of short-circuit display and short-circuit protection are realized; the faults of lines can be discovered in time; the damage ratio of the generator and an electric appliance can be reduced; accordingly, the generator is durable; the current output keeps in a rated range through an over current protection device.

Description

Have fault and show the constant voltage generator of anti-the short circuit
The utility model relates to a kind of generator, relates to specifically a kind ofly not showing the constant voltage generator of anti-the short circuit with the fault that has of storage battery automobile-use.
Automobile-used generator is that the engine of motor vehicle drives its rotation generating, and an illumination and its electrical equipment electricity consumption are used to buy car in installments.Existing generator does not have electricity suddenly as electrical appliance in the vehicle ' way can not determine rapidly what fault has partly taken place for which, if having the short circuit time of origin may burn generator once long with electric line.In addition, the engine speed of vehicle is constantly to change in vehicle ', and the output voltage stability of existing generator is subjected to the influence of vehicle motor rotation speed change in various degree, though it is most for permanent magnet generator adds mechanical centrifugally regulated device or electronic controller to have occurred several constant voltage generators in recent years, permanent magnet exists demagnetization with topic.
The purpose of this utility model is to overcome above-mentioned shortcoming, provides a kind of and has fault and show short-circuit proof constant voltage generator.
The technical solution of the utility model is as follows:
This generator is excitation power supply winding DQ 1Two ends and rectifier D 1-D 4Input links to each other, armature winding DQ 2Two ends and rectifier D 5-D 8Input links to each other, and the negative pole of output end of these two rectifiers links to each other; Rectifier D 5-D 8Output head anode connect resistance R 3, R 4, R 3Other end running fire optical diode D 9Positive pole; Resistance R 4The other end connect resistance R 5, the positive pole of capacitor C, triode BG 1Base stage, voltage stabilizing didoe D 12Negative pole; This voltage stabilizing didoe D 12Positive pole connect triode BG 1Collector electrode, unidirectional controllable silicon S CR 1, SCR 2The control utmost point, resistance R 6, diode D 14Negative pole; Controllable silicon SCR 1Anode connect resistance R 7, triode BG 2Base stage, BG 2Collector electrode connect diode D 13Positive pole, excitation winding Q 1An end, triode BG 3Collector electrode, triode BG 2Emitter connect triode BG 3Base stage; Triode BG 3Emitter connect diode D 14Positive pole and resistance R eSCR 2Anode connect around to excitation winding Q 1Opposite control winding Q 2Triode BG 1Emitter running fire optical diode D 11Negative pole, the positive pole of this pipe connects voltage stabilizing didoe D 10Negative pole, resistance R 1, R 2Rectifier D 1-D 4Output head anode connects winding Q respectively 1, Q 2The other end, diode D 13Negative pole, resistance R 7, R 1The other end; The negative pole of output end of two rectifiers is running fire optical diode D respectively 9Negative pole, voltage stabilizing didoe D 10Positive pole, the negative pole of capacitor C, unidirectional controllable silicon S CR 1, SCR 2Negative electrode, resistance R 2, R 5, R 6, R 8The other end.
Above-mentioned light-emitting diode D 11Can be connected on triode BG 1The circuit of collector electrode in.
Advantage of the present utility model is: 1, because of excitation power supply winding and voltage regulator are arranged, this generator performance is stable, and no matter engine speed speed and load size can both be exported constant voltage.2, have short circuit demonstration and short-circuit protection function, circuit has fault in time to find, can reduce the spoilage of generator and electrical equipment, makes generator durable in use.3, overcurrent protective device is arranged, electric current output is maintained in the specified scope.
Fig. 1 is the utility model circuit theory diagrams.
The utility model is described in further detail below in conjunction with accompanying drawing.
Can see excitation power supply winding DQ by Fig. 1 1Two ends and rectifier D 1-D 4Input links to each other, armature winding DQ 2Two ends and rectifier D 5-D 8Input links to each other, and the negative pole of output end of these two rectifiers links to each other; Rectifier D 5--D 8Output head anode connect resistance R 3, R 4, R 3Other end logotype in the normal light-emitting diode D that shows of generating 9Positive pole; R 4The other end connect resistance R 5, the positive pole of capacitor C, triode BG 1Base stage, voltage stabilizing didoe D 12Negative pole; This voltage stabilizing didoe D 12Positive pole connect triode BG 1Collector electrode, unidirectional controllable silicon S CR 1, SCR 2The control utmost point, resistance R 6, diode D 14Negative pole; Controllable silicon SCR 1Anode connect resistance R 7, triode BG 2Base stage, BG 2Collector electrode connect diode D 13Positive pole, excitation winding Q 1An end, triode BG 3Collector electrode, triode BG 2Emitter connect triode BG 3Base stage; Triode BG 3Emitter connect diode D 14Positive pole and resistance R 8SCR 2Anode connect around to excitation winding Q 1Opposite control winding Q 2Triode BG 1The light-emitting diode D that shows in short circuit of emitter logotype 11Negative pole, the positive pole of this pipe connects voltage stabilizing didoe D 10Negative pole, resistance R 1, R 2Rectifier D 1-D 4Output head anode connects winding Q respectively 1, Q 2The other end, diode D 13Negative pole, resistance R 7, R 1The other end; The negative pole of output end of two rectifiers is running fire optical diode D respectively 9Negative pole, voltage stabilizing didoe D 10Positive pole, the negative pole of capacitor C, unidirectional controllable silicon S CR 1, SCR 2Negative electrode, resistance R 2, R 5, R 6, R 6The other end.
When generator is driven rotation, excitation power supply winding DQ 1Cutting excitation winding Q 1Iron core and magnetic pole produce faint alternating current through rectifier D with remanent magnetism 1-D 4, to excitation winding Q 1Power supply, Q 1Obtain faint current field intensity and strengthen excitation winding Q to some extent 1Magnetic field intensity strengthen and to make excitation power supply winding DQ again 1Alternating voltage raises, and then makes excitation winding Q again 1Magnetic field intensity increase to some extent, so chain reaction makes excitation winding Q 1Excitation makes armature winding DQ 2Generating.When the generator operate as normal, voltage stabilizing didoe D 10The positive potential and the voltage stabilizing didoe D of negative pole 12The positive potential of negative pole equate or a little less than voltage stabilizing didoe D 12The positive potential of negative pole, triode BG 1Base stage and emitter between no forward voltage and not conducting; When generator output end has short circuit to take place, by armature winding DQ 2Provide and be added in voltage stabilizing didoe D 12The positive potential of negative pole reduces significantly or disappears, the normal diode D that shows of generating 9Extinguish triode BG 1Base stage and emitter between at rectifier D 1-D 4Commutating pulse voltage obtains the forward operating voltage and conducting by " 0 " to the peak value rising initial stage, light-emitting diode D 11Luminous demonstration generator output has short circuit to take place; Trigger controllable silicon SCR simultaneously 1, SCR 2, controllable silicon SCR 1Conducting makes triode BG 2, BG 3Turn-off, so just turn-offed excitation winding Q 1Exciting current, SGR 2Conducting makes control winding Q 2Produce the magnetic field opposite, excitation field intensity is descended significantly, so just realized having the anti-short-circuit capability of the short circuit current of fault demonstration, generator less than rated current with excitation field.As armature winding DQ 2The alternating current that is sent is through rectifier D 5-D 8Rectification is added in voltage stabilizing didoe D 12When the voltage at two ends surpasses the puncture voltage of this pipe, voltage stabilizing didoe D 12Breakdown, trigger controllable silicon SCR 1, SCR 2, controllable silicon SCR 1Conducting makes triode BG 2, BG 3Turn-offed excitation winding Q 1Exciting current, SCR 2Conducting makes control winding Q 2Produce the magnetic field opposite, make Q with excitation field 1The residual magnetization that iron core is strong excessively in time descends, and has so just eliminated " inertia " that iron core produces, makes generator keep constant rated voltage output under the situation that rotating speed, bearing power change significantly, realizes the performance of constant voltage.
Diode D 14And resistance R eForm current foldback circuit, when the output current of generator surpasses rated current, the resistance R of flowing through 8Electric current also increase thereupon, make resistance R 8The voltage at two ends surpasses diode D 14Forward conduction voltage, diode D 14Conducting triggers controllable silicon SCR 1, SCR 2, make triode BG 2, BG 3Turn-offed excitation winding Q 1Exciting current, make control winding Q simultaneously 2Produce the magnetic field opposite, make the exciting field intensity decreases, make the generator output current return to rated value with excitation field.

Claims (2)

1, a kind of have fault and show the constant voltage generator of anti-the short circuit, and it has excitation winding, excitation power supply winding, armature winding, electronic regulating circuit; It is characterized in that: it also has fault demonstration, short-circuit protection, constant-voltage control circuit;
Above-mentioned excitation power supply winding DQ 1Two ends and rectifier D 1-D 4Input links to each other, armature winding DQ 2Two ends and rectifier D 5-D 8Input links to each other.The negative pole of output end of these two rectifiers links to each other; Rectifier D 5-D 8Output head anode connect resistance R 3, R 4, R 3Other end running fire optical diode D 9Positive pole; R 4The other end connect resistance R 5, the positive pole of capacitor C, triode BG 1Base stage, voltage stabilizing didoe D 12Negative pole; This voltage stabilizing didoe D 12Positive pole connect triode BG 1Collector electrode, unidirectional controllable silicon S CR 1, SCR 2The control utmost point, resistance R 6, diode D 14Negative pole; Controllable silicon SCR 1Anode connect resistance R 7, triode BG 2Base stage, BG 2Collector electrode connect diode D 13Positive pole, excitation winding Q 1, triode BG 3Collector electrode, triode BG 2Emitter connect triode BG 3Base stage; Triode BG 3Emitter connect diode D 14Positive pole and resistance R 8SCR 2Anode connect around to excitation winding Q 1Opposite control winding Q 2Triode BG 1Emitter running fire optical diode D 11Negative pole, the positive pole of this pipe connects voltage stabilizing didoe D 10Negative pole, resistance R 1, R 2Rectifier D 1-D 4Output head anode connects winding Q respectively 1, Q 2The other end, diode D 13Negative pole, resistance R 7, R 1The other end; The negative pole of output end of two rectifiers is running fire optical diode D respectively 9Negative pole, voltage stabilizing didoe D 10Positive pole, the negative pole of capacitor C, unidirectional controllable silicon S CR 1, SCR 2Negative electrode, resistance R 2, R 5, R 6, R 8The other end.
2, according to claim 1 have fault and show the constant voltage generator of anti-the short circuit, it is characterized in that: its light-emitting diode D 11Can be connected on triode BG 1The circuit of collector electrode in.
CN 96242287 1996-10-30 1996-10-30 Anti-short-circuit generator with stable voltage output and fault indicator Expired - Fee Related CN2281615Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96242287 CN2281615Y (en) 1996-10-30 1996-10-30 Anti-short-circuit generator with stable voltage output and fault indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96242287 CN2281615Y (en) 1996-10-30 1996-10-30 Anti-short-circuit generator with stable voltage output and fault indicator

Publications (1)

Publication Number Publication Date
CN2281615Y true CN2281615Y (en) 1998-05-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96242287 Expired - Fee Related CN2281615Y (en) 1996-10-30 1996-10-30 Anti-short-circuit generator with stable voltage output and fault indicator

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Country Link
CN (1) CN2281615Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100386001C (en) * 2002-06-13 2008-04-30 创科实业有限公司 Device for supplying power to light source and its method
CN101515745B (en) * 2008-02-18 2012-06-27 金丰电子(苏州)有限公司 Series excited motor and speed regulation and control method thereof
CN107957550A (en) * 2016-10-17 2018-04-24 索恩格汽车德国有限责任公司 The identification of failure in generator unit
CN109617477A (en) * 2019-01-31 2019-04-12 合肥京东方光电科技有限公司 Vehicular power system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100386001C (en) * 2002-06-13 2008-04-30 创科实业有限公司 Device for supplying power to light source and its method
CN101515745B (en) * 2008-02-18 2012-06-27 金丰电子(苏州)有限公司 Series excited motor and speed regulation and control method thereof
CN107957550A (en) * 2016-10-17 2018-04-24 索恩格汽车德国有限责任公司 The identification of failure in generator unit
CN107957550B (en) * 2016-10-17 2021-04-09 索恩格汽车德国有限责任公司 Identification of faults in a generator unit
CN109617477A (en) * 2019-01-31 2019-04-12 合肥京东方光电科技有限公司 Vehicular power system

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C19 Lapse of patent right due to non-payment of the annual fee
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