CN101707847B - Surge overcurrent quick suppression circuit - Google Patents
Surge overcurrent quick suppression circuit Download PDFInfo
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- CN101707847B CN101707847B CN2009101538788A CN200910153878A CN101707847B CN 101707847 B CN101707847 B CN 101707847B CN 2009101538788 A CN2009101538788 A CN 2009101538788A CN 200910153878 A CN200910153878 A CN 200910153878A CN 101707847 B CN101707847 B CN 101707847B
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Abstract
The invention relates to a surge overcurrent quick suppression circuit. At present, negative resistance effect of a xenon lamp can cause vehicle-borne controller to alarm or dead halt. The invention comprises isolate diodes, a pulse current detecting circuit, a full-bridge rectifying circuit, a surge current absorbing circuit. In the pulse current detecting circuit, the full-bridge rectifying circuit composed of quick diodes performs full-bridge rectifying on pulse change, then an output stage quickly adjusts and outputs the conduction degree of output stage PNP type triodes according to the magnitude of the rectifying voltage, an electrolytic capacitor quickly absorbs the instantaneous overcurrent generated by an electronic ballast of the xenon lamp, when the entrance current demand of the electronic ballast increases abruptly, the electrolytic capacitor with large capacity inputs current to the electronic ballast, and the reverse obstruction function of the isolate diodes are utilized, thus ensuring the change of output current of the automobile storage battery to be smaller and avoiding the vehicle-borne controller from alarming or dead halting.
Description
Technical field
The present invention relates to a kind of circuit, be specifically related to a kind of surge overcurrent quick suppression circuit of vehicle xenon front lamp electric ballast, be mainly used in the automobile that xenon front lamp has been installed, belong to electronic technology field.
Background technology
Automobile front is a vitals that guarantees automobile safety traffic in night, and automobile is in night during running on expressway, the distance that requires the headlight irradiation enough far and brightness enough high.And xenon lamp is the New-generation efficient energy-saving green light source after incandescent lamp and Halogen lamp LED; The luminous efficiency of xenon lamp is that more than 4 times of Halogen lamp LED, life-span are more than 10 times of Halogen lamp LED; And color rendering is better, therefore is the perfect light source that substitutes the orthodox car Halogen lamp LED.
The same with other traditional gaseous discharge lamp, xenon lamp also has dynatron effect, also must could work the distribution sub-ballast during use.Because the arc discharge phenomenon during xenon lamp work; Electric current changes greatly during xenon lamp work; Especially current fluctuation is very violent when the xenon lamp cold start; It is also very violent that this causes electric ballast input electric current to change, and reports to the police or crash thereby cause owing to the storage battery output current changes the excessive Vehicle Controller that causes.
Summary of the invention
The object of the invention is exactly the deficiency to prior art, and a kind of surge overcurrent quick suppression circuit is provided, and is added between automobile storage battery and the xenon lamp electric ballast, make common xenon front lamp can be on various vehicles operate as normal.
The present invention includes isolating diode D0, pulsating current testing circuit, full bridge rectifier, surge current absorption circuit.
The pulsating current testing circuit comprises switching diode D1, the first positive-negative-positive triode Q101, a NPN type triode Q201, the 2nd NPN type triode Q202, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, filter capacitor C0.The emitter of the first positive-negative-positive triode Q101 is connected with an end of the negative electrode of switching diode D1, first resistance R 1; The base stage of the first positive-negative-positive triode Q101 is connected with an end of the other end of first resistance R 1, second resistance R 2, and the collector electrode of the first positive-negative-positive triode Q101 is connected with an end of the 3rd resistance R 3, the end of filter capacitor C0; The base stage of the one NPN type triode Q201 is connected with an end of the other end of the 3rd resistance R 3, the 4th resistance R 4, and the collector electrode of a NPN type triode Q201 is connected with an end of an end of the 5th resistance R 5, the 6th resistance R 6; The base stage of the 2nd NPN type triode Q202 is connected with an end of the other end of the 6th resistance R 6, the 7th resistance R 7, and the collector electrode of the 2nd NPN type triode Q202 is connected with an end of the 8th resistance R 8; The other end of the other end of the negative electrode of isolating diode D0, the 5th resistance R 5, the 8th resistance R 8 all is connected with the positive pole of vehicle xenon lamp ballast, and the anode of the anode of isolating diode D0 and switching diode D1 all is connected with the positive pole of automobile storage battery; The emitter of the emitter of the other end of the other end of the other end of second resistance R 2, filter capacitor C0, the 4th resistance R 4, a NPN type triode Q201, the other end of the 7th resistance R 7, the 2nd NPN type triode Q202 all is connected with the negative pole of automobile storage battery.
Full bridge rectifier comprises the first coupling capacitance C1, the second coupling capacitance C2, the first rectifier diode D101, the second rectifier diode D102, the 3rd rectifier diode D103, the 4th rectifier diode D104.The end of the first coupling capacitance C1 is connected with the collector electrode of the 2nd NPN type triode Q202, and the other end of the first coupling capacitance C1 is connected with the anode of the first rectifier diode D101, the negative electrode of the second rectifier diode D102; The end of the second coupling capacitance C2 is connected with the collector electrode of a NPN type triode Q201, and the other end of the second coupling capacitance C2 is connected with the anode of the 3rd rectifier diode D103, the negative electrode of the 4th rectifier diode D104; The negative electrode of the first rectifier diode D101 is connected with the negative electrode of the 3rd rectifier diode D103, and the anode of the anode of the second rectifier diode D102 and the 4th rectifier diode D104 all is connected with the negative pole of automobile storage battery.
Surge current absorbs circuit and comprises the second positive-negative-positive triode Q102, the 3rd NPN type triode Q203, the 4th NPN type triode Q204, voltage-stabiliser tube Z0, the first electrochemical capacitor C101, the second electrochemical capacitor C102, the 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11, the 12 resistance R the 12, the 13 resistance R the 13, the 14 resistance R the 14, the 15 resistance R 15.The base stage of the second positive-negative-positive triode Q102 is connected with an end of the 12 resistance R 12, an end of the 13 resistance R 13; The collector electrode of the second positive-negative-positive triode Q102 is connected with an end of the 14 resistance R 14; The other end of the 14 resistance R 14 is connected with an end of the 15 resistance R 15, the negative electrode of voltage-stabiliser tube Z0, the positive pole of the second electrochemical capacitor C102, and the emitter of the second positive-negative-positive triode Q102, the other end of the 13 resistance R 13, the anodal of the first electrochemical capacitor C101 all are connected with the positive pole of vehicle xenon lamp ballast; The other end of the 12 resistance R 12 is connected with the collector electrode of the 3rd NPN type triode Q203, the collector electrode of the 4th NPN type triode Q204; One end of the 11 resistance R 11 is connected with the emitter of the 3rd NPN type triode Q203, the base stage of the 4th NPN type triode Q204; The base stage of the 3rd NPN type triode Q203 is connected with an end of an end of the 9th resistance R 9, the tenth resistance R 10, and the other end of the 9th resistance R 9 is connected with the negative electrode of the first rectifier diode D101, the negative electrode of the 3rd rectifier diode D103; The other end of the other end of the negative pole of the first electrochemical capacitor C101, the tenth resistance R 10, the other end of the 11 resistance R 11, the 15 resistance R 15, the emitter of the 4th NPN type triode Q204, the anode of voltage-stabiliser tube Z0, the negative pole of the second electrochemical capacitor C102 all are connected with the negative pole of automobile storage battery.
The present invention adds a pulsating current testing circuit at the front end of vehicle xenon front lamp electric ballast; The full bridge rectifier of being made up of fast diode carries out full-bridge rectification to pulsatile change; Output stage is according to the size of this commutating voltage then; The conducting degree of the rapid adjustment output stage second positive-negative-positive triode Q102, the momentary excess current that produces by the xenon lamp electric ballast at last by the second electrochemical capacitor C102 fast Absorption, and when electric ballast go into to hold the electric current demand to increase suddenly the time; Then by the jumbo first electrochemical capacitor C101 to its quick injection current; Add the reverse resistance shelves effect of isolating diode D0 in addition, thereby the output current variation of guaranteeing automobile storage battery is less, has avoided the warning or the deadlock phenomenon of on-vehicle electronic controller.
Description of drawings
Fig. 1 is a circuit diagram of the present invention.
Embodiment
As shown in Figure 1, surge overcurrent quick suppression circuit comprises that isolating diode D0 (LB8210), pulsating current testing circuit, full bridge rectifier, surge current absorb circuit.
The pulsating current testing circuit comprises switching diode D1 (1N4148), the first positive-negative-positive triode Q101 (2PA710AR), a NPN type triode Q201 (2PD602AR), the 2nd NPN type triode Q202 (2PD602AR), first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, filter capacitor C0 (10nF).The emitter of the first positive-negative-positive triode Q101 is connected with an end of the negative electrode of switching diode D1, first resistance R 1; The base stage of the first positive-negative-positive triode Q101 is connected with an end of the other end of first resistance R 1, second resistance R 2, and the collector electrode of the first positive-negative-positive triode Q101 is connected with an end of the 3rd resistance R 3, the end of filter capacitor C0; The base stage of the one NPN type triode Q201 is connected with an end of the other end of the 3rd resistance R 3, the 4th resistance R 4, and the collector electrode of a NPN type triode Q201 is connected with an end of an end of the 5th resistance R 5, the 6th resistance R 6; The base stage of the 2nd NPN type triode Q202 is connected with an end of the other end of the 6th resistance R 6, the 7th resistance R 7, and the collector electrode of the 2nd NPN type triode Q202 is connected with an end of the 8th resistance R 8; The other end of the other end of the negative electrode of isolating diode D0, the 5th resistance R 5, the 8th resistance R 8 all is connected with the positive pole of vehicle xenon lamp ballast 2, and the anode of the anode of isolating diode D0 and switching diode D1 all is connected with the positive pole of automobile storage battery 1; The emitter of the emitter of the other end of the other end of the other end of second resistance R 2, filter capacitor C0, the 4th resistance R 4, a NPN type triode Q201, the other end of the 7th resistance R 7, the 2nd NPN type triode Q202 all is connected with the negative pole of automobile storage battery 1.
Full bridge rectifier comprises the first coupling capacitance C1 (1uF), the second coupling capacitance C2 (1uF), the first rectifier diode D101 (1N4148), the second rectifier diode D102 (1N4148), the 3rd rectifier diode D103 (1N4148), the 4th rectifier diode D104 (1N4148).The end of the first coupling capacitance C1 is connected with the collector electrode of the 2nd NPN type triode Q202, and the other end of the first coupling capacitance C1 is connected with the anode of the first rectifier diode D101, the negative electrode of the second rectifier diode D102; The end of the second coupling capacitance C2 is connected with the collector electrode of a NPN type triode Q201, and the other end of the second coupling capacitance C2 is connected with the anode of the 3rd rectifier diode D103, the negative electrode of the 4th rectifier diode D104; The negative electrode of the first rectifier diode D101 is connected with the negative electrode of the 3rd rectifier diode D103, and the anode of the anode of the second rectifier diode D102 and the 4th rectifier diode D104 all is connected with the negative pole of automobile storage battery 1.
Surge current absorbs circuit and comprises the second positive-negative-positive triode Q102 (2P710AR), the 3rd NPN type triode Q203 (2PD602AR), the 4th NPN type triode Q204 (2PD602AR), voltage-stabiliser tube Z0 (BZX84B6V8), the first electrochemical capacitor C101 (10000uF), the second electrochemical capacitor C102 (47uF), the 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11, the 12 resistance R the 12, the 13 resistance R the 13, the 14 resistance R the 14, the 15 resistance R 15.The base stage of the second positive-negative-positive triode Q102 is connected with an end of the 12 resistance R 12, an end of the 13 resistance R 13; The collector electrode of the second positive-negative-positive triode Q102 is connected with an end of the 14 resistance R 14; The other end of the 14 resistance R 14 is connected with an end of the 15 resistance R 15, the negative electrode of voltage-stabiliser tube Z0, the positive pole of the second electrochemical capacitor C102, and the emitter of the second positive-negative-positive triode Q102, the other end of the 13 resistance R 13, the anodal of the first electrochemical capacitor C101 all are connected with the positive pole of vehicle xenon lamp ballast 2; The other end of the 12 resistance R 12 is connected with the collector electrode of the 3rd NPN type triode Q203, the collector electrode of the 4th NPN type triode Q204; One end of the 11 resistance R 11 is connected with the emitter of the 3rd NPN type triode Q203, the base stage of the 4th NPN type triode Q204; The base stage of the 3rd NPN type triode Q203 is connected with an end of an end of the 9th resistance R 9, the tenth resistance R 10, and the other end of the 9th resistance R 9 is connected with the negative electrode of the first rectifier diode D101, the negative electrode of the 3rd rectifier diode D103; The anode of the other end of the other end of the negative pole of the first electrochemical capacitor C101, the tenth resistance R 10, the other end of the 11 resistance R 11, the 15 resistance R 15, the emitter of the 4th NPN type triode Q204, voltage-stabiliser tube Z0, the negative pole of the second electrochemical capacitor C102 all are connected with the negative pole of automobile storage battery 1.
When the input electric current of vehicle xenon front lamp electric ballast 2 changes; The anodal level of switching diode D1 also will change thereupon; Electric current changes more greatly; Then the anodal level variation Shaoxing opera of switching diode D1 is strong, and the change in voltage of filter capacitor C0 is also big more, and therefore this current pulsation signal amplifies through a NPN type triode Q201 and the 2nd NPN type triode Q202 secondary again; And the AC coupled of the warp first coupling capacitance C1 and the second coupling capacitance C2; The full-bridge circuit that is made up of the first rectifier diode D101, the second rectifier diode D102, the 3rd rectifier diode D103, the 4th rectifier diode D104 carries out rectification, and then after the 3rd NPN type triode Q203 and the 4th NPN type triode Q204 amplification, controls the conducting degree of the second positive-negative-positive triode Q102; Promptly control speed and size that the second electrochemical capacitor C102 absorbs surge overcurrent; This process second electrochemical capacitor C102 absorbs surge current, and voltage-stabiliser tube Z0 shields, and prevents the overtension on the second electrochemical capacitor C102; When electric ballast 2 go into to hold electric current not change the time; The collector potential of the 3rd NPN type triode Q203 and the 4th NPN type triode Q204 is also constant; This moment, the first coupling capacitance C1 and the second coupling capacitance C2 were equivalent to open circuit, full-bridge rectifier no-output voltage, and the second positive-negative-positive triode Q102, the 3rd NPN type triode Q203, the 4th NPN type triode Q204 all end; This moment, electrochemical capacitor C102 did not work, and it releases energy to the 15 resistance R 15.When electric ballast 2 go into to hold the electric current demand to increase suddenly the time, then by electrochemical capacitor C101 to its quick injection current.Add the reverse resistance shelves effect of isolating diode D0 in addition, thereby the output current variation of guaranteeing automobile storage battery is less, has avoided the warning or the deadlock phenomenon of on-vehicle electronic controller.
Claims (1)
1. surge overcurrent quick suppression circuit comprises isolating diode D0, pulsating current testing circuit, full bridge rectifier, surge current absorption circuit, it is characterized in that:
The pulsating current testing circuit comprises switching diode D1, the first positive-negative-positive triode Q101, a NPN type triode Q201, the 2nd NPN type triode Q202, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, filter capacitor C0; The emitter of the first positive-negative-positive triode Q101 is connected with an end of the negative electrode of switching diode D1, first resistance R 1; The base stage of the first positive-negative-positive triode Q101 is connected with an end of the other end of first resistance R 1, second resistance R 2, and the collector electrode of the first positive-negative-positive triode Q101 is connected with an end of the 3rd resistance R 3, the end of filter capacitor C0; The base stage of the one NPN type triode Q201 is connected with an end of the other end of the 3rd resistance R 3, the 4th resistance R 4, and the collector electrode of a NPN type triode Q201 is connected with an end of an end of the 5th resistance R 5, the 6th resistance R 6; The base stage of the 2nd NPN type triode Q202 is connected with an end of the other end of the 6th resistance R 6, the 7th resistance R 7, and the collector electrode of the 2nd NPN type triode Q202 is connected with an end of the 8th resistance R 8; The other end of the other end of the negative electrode of isolating diode D0, the 5th resistance R 5, the 8th resistance R 8 all is connected with the positive pole of vehicle xenon lamp ballast, and the anode of the anode of isolating diode D0 and switching diode D1 all is connected with the positive pole of automobile storage battery; The emitter of the emitter of the other end of the other end of the other end of second resistance R 2, filter capacitor C0, the 4th resistance R 4, a NPN type triode Q201, the other end of the 7th resistance R 7, the 2nd NPN type triode Q202 all is connected with the negative pole of automobile storage battery;
Full bridge rectifier comprises the first coupling capacitance C1, the second coupling capacitance C2, the first rectifier diode D101, the second rectifier diode D102, the 3rd rectifier diode D103, the 4th rectifier diode D104; The end of the first coupling capacitance C1 is connected with the collector electrode of the 2nd NPN type triode Q202, and the other end of the first coupling capacitance C1 is connected with the anode of the first rectifier diode D101, the negative electrode of the second rectifier diode D102; The end of the second coupling capacitance C2 is connected with the collector electrode of a NPN type triode Q201, and the other end of the second coupling capacitance C2 is connected with the anode of the 3rd rectifier diode D103, the negative electrode of the 4th rectifier diode D104; The negative electrode of the first rectifier diode D101 is connected with the negative electrode of the 3rd rectifier diode D103, and the anode of the anode of the second rectifier diode D102 and the 4th rectifier diode D104 all is connected with the negative pole of automobile storage battery;
Surge current absorbs circuit and comprises the second positive-negative-positive triode Q102, the 3rd NPN type triode Q203, the 4th NPN type triode Q204, voltage-stabiliser tube Z0, the first electrochemical capacitor C101, the second electrochemical capacitor C102, the 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11, the 12 resistance R the 12, the 13 resistance R the 13, the 14 resistance R the 14, the 15 resistance R 15; The base stage of the second positive-negative-positive triode Q102 is connected with an end of the 12 resistance R 12, an end of the 13 resistance R 13; The collector electrode of the second positive-negative-positive triode Q102 is connected with an end of the 14 resistance R 14; The other end of the 14 resistance R 14 is connected with an end of the 15 resistance R 15, the negative electrode of voltage-stabiliser tube Z0, the positive pole of the second electrochemical capacitor C102, and the emitter of the second positive-negative-positive triode Q102, the other end of the 13 resistance R 13, the anodal of the first electrochemical capacitor C101 all are connected with the positive pole of vehicle xenon lamp ballast; The other end of the 12 resistance R 12 is connected with the collector electrode of the 3rd NPN type triode Q203, the collector electrode of the 4th NPN type triode Q204; One end of the 11 resistance R 11 is connected with the emitter of the 3rd NPN type triode Q203, the base stage of the 4th NPN type triode Q204; The base stage of the 3rd NPN type triode Q203 is connected with an end of an end of the 9th resistance R 9, the tenth resistance R 10, and the other end of the 9th resistance R 9 is connected with the negative electrode of the first rectifier diode D101, the negative electrode of the 3rd rectifier diode D103; The other end of the other end of the negative pole of the first electrochemical capacitor C101, the tenth resistance R 10, the other end of the 11 resistance R 11, the 15 resistance R 15, the emitter of the 4th NPN type triode Q204, the anode of voltage-stabiliser tube Z0, the negative pole of the second electrochemical capacitor C102 all are connected with the negative pole of automobile storage battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101538788A CN101707847B (en) | 2009-11-16 | 2009-11-16 | Surge overcurrent quick suppression circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101538788A CN101707847B (en) | 2009-11-16 | 2009-11-16 | Surge overcurrent quick suppression circuit |
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| CN101707847A CN101707847A (en) | 2010-05-12 |
| CN101707847B true CN101707847B (en) | 2012-11-07 |
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| CN2009101538788A Expired - Fee Related CN101707847B (en) | 2009-11-16 | 2009-11-16 | Surge overcurrent quick suppression circuit |
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| CN103273871B (en) * | 2013-05-31 | 2015-12-23 | 佛山肆强科技有限公司 | Non-halogen lamp is used as the method for car light and decoding circuit used and method of work thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558186Y (en) * | 2002-06-10 | 2003-06-25 | 厦门海莱照明有限公司 | Electronic ballast for energy saving lamp |
| CN2796301Y (en) * | 2005-03-30 | 2006-07-12 | 侍忠 | Electronic rectifier circuit for high voltage xenon gas discharge lamp |
| CN201523478U (en) * | 2009-11-16 | 2010-07-07 | 杭州电子科技大学 | Surge overcurrent suppression circuit |
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2009
- 2009-11-16 CN CN2009101538788A patent/CN101707847B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558186Y (en) * | 2002-06-10 | 2003-06-25 | 厦门海莱照明有限公司 | Electronic ballast for energy saving lamp |
| CN2796301Y (en) * | 2005-03-30 | 2006-07-12 | 侍忠 | Electronic rectifier circuit for high voltage xenon gas discharge lamp |
| CN201523478U (en) * | 2009-11-16 | 2010-07-07 | 杭州电子科技大学 | Surge overcurrent suppression circuit |
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