CN105764205A - Decoding circuit for automobile far-near double-light-source headlamp, and automobile far-near double-light-source headlamp - Google Patents
Decoding circuit for automobile far-near double-light-source headlamp, and automobile far-near double-light-source headlamp Download PDFInfo
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- CN105764205A CN105764205A CN201410788476.6A CN201410788476A CN105764205A CN 105764205 A CN105764205 A CN 105764205A CN 201410788476 A CN201410788476 A CN 201410788476A CN 105764205 A CN105764205 A CN 105764205A
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Abstract
The invention provides a decoding circuit for a far-near double-light-source headlamp, and the far-near double-light-source headlamp. The circuit comprises a single-pole double-throw relay, a first rectification diode, a second rectification diode, a third rectification diode, a fourth rectification diode, a fifth rectification diode, a first resistor, and a second resistor. The control end of the single-pole double-throw relay is connected with a positive voltage power supply, and a normally opened end of the single-pole double-throw relay is connected to the anode of the third rectification diode and the anode of the fourth rectification diode. The second resistor is connected between the normally closed end of the single-pole double-throw relay and the control end of the single-pole double-throw relay. The circuit can meet the requirements of dynamic and static detection of a headlamp detection circuit, reduces the start peak current, achieves rectangular wave power supply filtering, achieves quick no-delay switching of far-near light, employs a three-jack plug for direct power supply, is free of a wire harness, and is convenient to install.
Description
Technical field
The present invention relates to the technical field in car headlamp field, particularly to decoding circuit and the double; two light source headlamp of automobile dimming-distance of the double; two light source headlamp of a kind of automobile dimming-distance.
Background technology
Car headlamp (be commonly called as " headlight for vehicles) is the capital equipment of vehicle going at night, and existing automobile headlamp light source has plurality of specifications and model, for instance H4, H7, which includes the bulb kind that electric filament lamp, hernia lamp etc. are different.
H4 headlamp is the far and near double; two light sources of a kind of single lamp, mainly has H4 Halogen light and H4 xenon lamp.H4 lamp is connected by one group of three connector with former car.Two light power lines and a common wire respectively constitute dipped beam and distance light power supply circuits.Dipped beam from distance light owing to the reflection height of the different generation of light source focal is different thus forming the difference of dipped beam and distance light.
H4 Halogen light is to have two filaments to connect three power lines, a common wire and dipped beam, distance light control line inside single lamp.H4 xenon lamp kind is relatively more, common are H4 telescopic lamp, the double; two big gun of H4, H4 swing angle lamp, H4 mono-xenon one halogen lamp；And H4 headlamp many employings battery is powered, former car headlight power line does control and carries out switch and distance-light switching control.Therefore, most of H4 xenon lamps are installed must install relay wire harness additional, installs comparatively laborious, and after installation, wire harness is in disorder.
Along with automotive technology development, popularizing of car running computer self-checking, much the original-pack car for H4 headlamp carries headlamp self-checking function on the market, lamp flicker when these H4 vehicle repacking xenon lamps with self-checking function adopt the double; two big gun of H4 telescopic lamp, H4, H4 swing angle lamp to turn on light, the bright trouble light of instrumental panel；Dipped beam or distance light Halogen light and to install the ballast with decoding additional when adopting H4 mono-xenon one halogen, but two different types of light sources are on same lamp, owing to the life-span of Halogen light is relatively short, so the lost of life of whole light source can be caused.
Summary of the invention
For overcoming existing defect, the present invention proposes decoding circuit and the double; two light source headlamp of automobile dimming-distance of the double; two light source headlamp of a kind of automobile dimming-distance, it can meet the dynamic Static Detection of detection of headlight circuit simultaneously, there is reduction and start peak current, square wave is powered filtering, and distance-light quickly switches the advantages such as not time delay, and adopts three plugs directly to power, exempt to install additional wire harness, easy for installation.
According to an aspect of the present invention, propose the decoding circuit of the double, two light source headlamp of a kind of automobile dimming-distance, comprising: single-pole double-throw relay, first commutation diode, second commutation diode, 3rd commutation diode, 4th commutation diode, 5th commutation diode and the first resistance, second resistance, the control termination positive voltage source of described single-pole double-throw relay, the normally opened end of described single-pole double-throw relay is connected to the anode of the 3rd commutation diode and the anode of the 4th commutation diode by the first resistance, described second resistance is connected to the normal-closed end of single-pole double-throw relay and controls between end；The negative electrode of described first commutation diode and the negative electrode of the 3rd commutation diode are connected to dipped beam and control end, the anode of described first commutation diode is connected to the anode of the second commutation diode, the negative electrode of described second commutation diode and the negative electrode of the 4th commutation diode are all connected to distance light and control end, the normal-closed end of described single-pole double-throw relay is also attached to the anode of the 5th commutation diode, and the negative electrode of described 5th commutation diode is connected to high-beam light source.
Further, in the decoding circuit of the double, two light source headlamp of above-mentioned automobile dimming-distance, the decoding circuit of the double, two light source headlamp of described automobile dimming-distance also includes a filter branch, it includes transformator, first filter capacitor, second filter capacitor and the first electrochemical capacitor, described transformator includes a primary coil and a secondary coil, described one end of first filter capacitor and one end of primary coil are all connected to the anode of the first commutation diode, the described other end of the first filter capacitor and one end of secondary coil are all connected to the anode of the 5th commutation diode, the other end ground connection of described primary coil, the other end of described secondary coil is voltage output end, the two ends of described second filter capacitor are connected between voltage output end and ground；The positive pole of described first electrochemical capacitor is connected to voltage output end, the minus earth of described first electrochemical capacitor.
Further, in the decoding circuit of the double; two light source headlamp of above-mentioned automobile dimming-distance, the decoding circuit of the double; two light source headlamp of described automobile dimming-distance also includes the second electrochemical capacitor, the positive pole of described second electrochemical capacitor is connected to the negative electrode of the 5th commutation diode, and the negative pole of described second electrochemical capacitor is connected to distance light and controls end.
Further, in the decoding circuit of the double; two light source headlamp of above-mentioned automobile dimming-distance, the decoding circuit of the double; two light source headlamp of described automobile dimming-distance also includes the 6th commutation diode and the 7th commutation diode, the negative electrode of described 6th commutation diode is connected to dipped beam and controls end, the anode of described 6th commutation diode is connected to the anode of the 7th commutation diode, and the negative electrode of described 7th commutation diode is connected to distance light and controls end.
Further, in the decoding circuit of the double; two light source headlamp of above-mentioned automobile dimming-distance, the output voltage of described positive voltage source is+12V.
According to a further aspect in the invention, propose the double; two light source headlamp of a kind of automobile dimming-distance, it includes the decoding circuit of the double; two light source headlamp of low beam light source, high-beam light source and above-mentioned automobile dimming-distance, and described low beam light source and high-beam light source are connected to the decoding circuit of the double; two light source headlamp of described automobile dimming-distance.
The decoding circuit of the double; two light source headlamp of automobile dimming-distance of the present invention and the double; two light source headlamp of automobile dimming-distance can meet the requirement of the dynamic Static Detection of detection of headlight circuit simultaneously, there is reduction and start peak current, square wave is powered filtering, distance-light quickly switches the advantages such as not time delay, and adopt three plugs directly to power, exempt to install additional wire harness, easy for installation.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the decoding circuit of the double; two light source headlamp of automobile dimming-distance of the present invention.
In order to enable clearly to realize the structure of embodiments of the invention, it is labelled with certain size, structure and device in the drawings, but it is only for signal needs, it is not intended to limit the invention in this specific dimensions, structure, device and environment, according to specific needs, these devices and environment can be adjusted or revise by those of ordinary skill in the art, and adjusting or revising of carrying out still includes in the scope of appended claims.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, a kind of Human Sole antidote based on gait gravity center shift provided by the invention is described in detail.
In the following description, the multiple different aspect of the present invention will be described, but, for those skilled in the art, it is possible to some or all structures or flow process just with the present invention implement the present invention.For the definition explained, elaborate specific number, configuration and order, however, it will be apparent that the present invention can also be implemented when there is no these specific detail.In other cases, in order to not obscure the present invention, will no longer be described in detail for some well-known features.
Refer to Fig. 1, the invention provides the decoding circuit of the double, two light source headlamp of a kind of automobile dimming-distance, comprising: single-pole double-throw relay K1, first commutation diode D1, second commutation diode D2, 3rd commutation diode D3, 4th commutation diode D4, 5th commutation diode D5 and the first resistance R1, second resistance R2, the control termination positive voltage source of described single-pole double-throw relay K1, the normally opened end of described single-pole double-throw relay K1 is connected to the anode of the 3rd commutation diode D3 and the anode of the 4th commutation diode D4 by the first resistance R1, described second resistance R2 is connected to the normal-closed end of single-pole double-throw relay K1 and controls between end；The described negative electrode of the first commutation diode D1 and the negative electrode of the 3rd commutation diode D3 are connected to dipped beam and control end Low, the anode of described first commutation diode D1 is connected to the anode of the second commutation diode D2, the described negative electrode of the second commutation diode D2 and the negative electrode of the 4th commutation diode D4 are all connected to distance light and control end High, the normal-closed end of described single-pole double-throw relay K1 is also attached to the anode of the 5th commutation diode D5, the negative electrode of described 5th commutation diode D5 is connected to high-beam light source (highlight telescopic lamp, not shown).
Wherein, the decoding circuit of the double, two light source headlamp of described automobile dimming-distance also includes a filter branch, it includes transformator L1, first filter capacitor C1, second filter capacitor C2 and the first electrochemical capacitor C6, described transformator L1 includes a primary coil and a secondary coil, described one end of first filter capacitor C1 and one end of primary coil are all connected to the anode of the first commutation diode D1, the described other end of the first filter capacitor C1 and one end of secondary coil are all connected to the anode of the 5th commutation diode D5, the other end ground connection of described primary coil, the other end of described secondary coil is voltage output end (output+), the two ends of described second filter capacitor C2 are connected between voltage output end and ground；The positive pole of described first electrochemical capacitor C6 is connected to voltage output end, the minus earth of described first electrochemical capacitor C6.So, by this filter branch, the square wave of the positive voltage source (12V+ power supply) of former car supply input is converted to the unidirectional current of xenon lamp lighting, absorb the interference that ballast lighting instantaneous pressure produces, meet high-beam light source and the needs of low beam light source filtering so that distance-light quickly switches not time delay simultaneously.
The decoding circuit of the double; two light source headlamp of described automobile dimming-distance also includes the positive pole of the second electrochemical capacitor C5, described second electrochemical capacitor C5 and is connected to the negative electrode of the 5th commutation diode D5, and the negative pole of described second electrochemical capacitor C5 is connected to distance light and controls end High.
The decoding circuit of the double; two light source headlamp of described automobile dimming-distance also includes the 6th commutation diode D6 and the 7th commutation diode D7, the negative electrode of described 6th commutation diode D6 is connected to dipped beam and controls end Low, the anode of described 6th commutation diode D6 is connected to the anode of the 7th commutation diode D7, and the negative electrode of described 7th commutation diode D7 is connected to distance light and controls end High.
In the present embodiment, the output voltage of described positive voltage source is+12V, for by former car supply input.
The work process of the decoding circuit of the double; two light source headlamp of automobile dimming-distance of the present invention is as follows:
Described positive voltage source, single-pole double-throw relay K1, the first commutation diode D1 and dipped beam control to constitute between end Low dipped beam current supply circuit；Described positive voltage source, single-pole double-throw relay K1, the second commutation diode D2 and distance light control to constitute between end High distance light current supply circuit.Lighting when dipped beam controls low beam light source when end Low connects, radiation response is dipped beam；Lighting when distance light controls high-beam light source when end High connects ,+12V is given to telescopic lamp by high-beam light source energising, and radiation response is distance light.
Simultaneously, described dipped beam controls end Low, positive voltage source, distance light control end High, single-pole double-throw relay K1, the 3rd commutation diode D3, the 4th commutation diode D4, the 5th commutation diode D5 and the first resistance R1 and constitutes distance light self-inspection loop and dipped beam self-inspection loop, it does not interfere with each other between distance light self-inspection loop and dipped beam self-inspection loop, share artifical resistance the first resistance R1.Former car self-test signal is the potential pulse of a short time, and this self-test signal is not enough to allow the actuating of relay.When to low beam light source self-inspection, positive voltage source 12V+ port inputs a pulse and reaches electric current to negative pole formation loop reach testing goal through relay, the first resistance R1, the 3rd commutation diode D3 or the 4th commutation diode D4.Halogen light self-inspection physical characteristic can be simulated in described distance light self-inspection loop and dipped beam self-inspection loop, and when distance-light self-inspection pulses generation, the size of current that self-inspection loop produces is equal to the size of current that former car dress Halogen light produces, and solves self-inspection report trouble light problem.
Described first commutation diode D1 and the second commutation diode D2 can isolate dipped beam and control end Low and distance light and control end High, simultaneously can mistake proofing in negative three plugs altogether.Described filter branch makes square wave power and converts direct current to, absorbs the interference that ballast lighting instantaneous pressure produces.The unidirectional current that described second electrochemical capacitor C5 converts square wave to provides distance light expanding-contracting action.
It addition, the present invention also provides for the double; two light source headlamp of a kind of automobile dimming-distance, it includes low beam light source, high-beam light source and is connected to the decoding circuit of the double; two light source headlamp of above-mentioned automobile dimming-distance of described low beam light source and high-beam light source.
Compared to prior art, the decoding circuit of the double; two light source headlamp of automobile dimming-distance of the present invention and the double; two light source headlamp of automobile dimming-distance adopt former car three plug to power lighting, the requirement of the dynamic Static Detection of detection of headlight circuit can be met simultaneously, there is reduction and start peak current, square wave is powered filtering, and distance-light quickly switches the advantages such as not time delay, and adopts three plugs directly to power, exempt to install additional wire harness, easy for installation.
Finally it should be noted that, above example is only in order to describe technical scheme rather than this technical method is limited, the present invention can extend to other amendment, change, application and embodiment in application, and it is taken as that all such amendments, change, application, embodiment are all within the scope of the spirit or teaching of the present invention.
Claims (6)
1. the decoding circuit of the double, two light source headlamp of automobile dimming-distance, it is characterized in that, comprising: single-pole double-throw relay, first commutation diode, second commutation diode, 3rd commutation diode, 4th commutation diode, 5th commutation diode and the first resistance, second resistance, the control termination positive voltage source of described single-pole double-throw relay, the normally opened end of described single-pole double-throw relay is connected to the anode of the 3rd commutation diode and the anode of the 4th commutation diode by the first resistance, described second resistance is connected to the normal-closed end of single-pole double-throw relay and controls between end；The negative electrode of described first commutation diode and the negative electrode of the 3rd commutation diode are connected to dipped beam and control end, the anode of described first commutation diode is connected to the anode of the second commutation diode, the negative electrode of described second commutation diode and the negative electrode of the 4th commutation diode are all connected to distance light and control end, the normal-closed end of described single-pole double-throw relay is also attached to the anode of the 5th commutation diode, and the negative electrode of described 5th commutation diode is connected to high-beam light source.
2. the decoding circuit of the double, two light source headlamp of automobile dimming-distance according to claim 1, it is characterized in that, the decoding circuit of the double, two light source headlamp of described automobile dimming-distance also includes a filter branch, it includes transformator, first filter capacitor, second filter capacitor and the first electrochemical capacitor, described transformator includes a primary coil and a secondary coil, described one end of first filter capacitor and one end of primary coil are all connected to the anode of the first commutation diode, the described other end of the first filter capacitor and one end of secondary coil are all connected to the anode of the 5th commutation diode, the other end ground connection of described primary coil, the other end of described secondary coil is voltage output end, the two ends of described second filter capacitor are connected between voltage output end and ground；The positive pole of described first electrochemical capacitor is connected to voltage output end, the minus earth of described first electrochemical capacitor.
3. the decoding circuit of the double; two light source headlamp of automobile dimming-distance according to claim 2, it is characterized in that, the decoding circuit of the double; two light source headlamp of described automobile dimming-distance also includes the second electrochemical capacitor, the positive pole of described second electrochemical capacitor is connected to the negative electrode of the 5th commutation diode, and the negative pole of described second electrochemical capacitor is connected to distance light and controls end.
4. the decoding circuit of the double; two light source headlamp of automobile dimming-distance according to claim 1, it is characterized in that, the decoding circuit of the double; two light source headlamp of described automobile dimming-distance also includes the 6th commutation diode and the 7th commutation diode, the negative electrode of described 6th commutation diode is connected to dipped beam and controls end, the anode of described 6th commutation diode is connected to the anode of the 7th commutation diode, and the negative electrode of described 7th commutation diode is connected to distance light and controls end.
5. the decoding circuit of the double; two light source headlamp of automobile dimming-distance according to any one of Claims 1 to 4, it is characterised in that the output voltage of described positive voltage source is+12V.
6. the double; two light source headlamp of automobile dimming-distance, it includes low beam light source and high-beam light source, it is characterized in that, also including the decoding circuit of the double; two light source headlamp of the automobile dimming-distance as described in any one of Claims 1 to 5, described low beam light source and high-beam light source are connected to the decoding circuit of the double; two light source headlamp of described automobile dimming-distance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788476.6A CN105764205A (en) | 2014-12-16 | 2014-12-16 | Decoding circuit for automobile far-near double-light-source headlamp, and automobile far-near double-light-source headlamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788476.6A CN105764205A (en) | 2014-12-16 | 2014-12-16 | Decoding circuit for automobile far-near double-light-source headlamp, and automobile far-near double-light-source headlamp |
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| CN105764205A true CN105764205A (en) | 2016-07-13 |
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| CN201410788476.6A Pending CN105764205A (en) | 2014-12-16 | 2014-12-16 | Decoding circuit for automobile far-near double-light-source headlamp, and automobile far-near double-light-source headlamp |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396079A (en) * | 2001-07-18 | 2003-02-12 | 卢功洋 | Emergency lighting controller able to automatically regulate brightness of car headlight |
| CN101697655A (en) * | 2009-11-10 | 2010-04-21 | 南安市柳城高捷图文设计工作室 | Stabilizer for synchronously starting two xenon lamps |
| US20120162846A1 (en) * | 2009-12-21 | 2012-06-28 | Yazaki Corporation | Heat generation inhibiting circuit for exciting coil in relay |
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2014
- 2014-12-16 CN CN201410788476.6A patent/CN105764205A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396079A (en) * | 2001-07-18 | 2003-02-12 | 卢功洋 | Emergency lighting controller able to automatically regulate brightness of car headlight |
| CN101697655A (en) * | 2009-11-10 | 2010-04-21 | 南安市柳城高捷图文设计工作室 | Stabilizer for synchronously starting two xenon lamps |
| US20120162846A1 (en) * | 2009-12-21 | 2012-06-28 | Yazaki Corporation | Heat generation inhibiting circuit for exciting coil in relay |
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