CN104648225A - Automatic regulating device of automobile lamp - Google Patents
Automatic regulating device of automobile lamp Download PDFInfo
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- CN104648225A CN104648225A CN201410782904.4A CN201410782904A CN104648225A CN 104648225 A CN104648225 A CN 104648225A CN 201410782904 A CN201410782904 A CN 201410782904A CN 104648225 A CN104648225 A CN 104648225A
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- resistance
- aerotron
- comparator
- control circuit
- car light
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Abstract
The invention provides an automatic regulating device of an automobile lamp. The automatic regulating device comprises an automobile lamp conversion control circuit and an automobile lamp light-emitting control circuit used for controlling the light-emitting state of the automobile lamp, wherein the automobile lamp conversion control circuit is connected with the automobile lamp light-emitting control circuit. The automobile regulating device is capable of automatically regulating the light-emitting brightness of headlights on full beam or dipped headlights according to the light intensity during an automobile meeting process, so that the vision of drivers is prevented from being influenced during the automobile meeting process, and the traffic safety is ensured.
Description
Technical field
The present invention relates to a kind of control apparatus, particularly relate to a kind of automobile lamp self-checking device.
Background technology
In the lamp system of current automobile, comprise taillight, steering indicating light, country beam, passing light, side-marker lamp etc., and the country beam of automobile and passing light only have a brightness at present, when in use, as long as open country beam or passing light, all with same Brightness Duty, so not only waste electric energy, and acceleration country beam, the service life of passing light and vehicle power, what is more important: (isolate although current highway has green belt when vehicle is at meeting, but not all highway all has green belt), the country beam of a same brightness will cause causing the sight line of the chaufeur of meeting having a strong impact on, thus cause safety misadventure.
Therefore, need to propose a kind of automobile lamp self-checking device, automatically can regulate the luminosity of country beam or passing light according to light intensity during meeting, thus when avoiding meeting, the sight line of chaufeur be impacted, ensure traffic safety.
Summary of the invention
In view of this, the object of this invention is to provide a kind of automobile lamp self-checking device, automatically can regulate the luminosity of country beam or passing light according to light intensity during meeting, thus when avoiding meeting, the sight line of chaufeur be impacted, ensure traffic safety.
A kind of automobile lamp self-checking device provided by the invention, comprise car light conversion control circuit and the car light emission control circuit for controlling car light luminance, described car light conversion control circuit is connected with car light emission control circuit;
Described car light emission control circuit comprises comparator U1, comparator U2, aerotron Q1, aerotron Q2, photoconductive cell RG2, photoconductive cell RG3, resistance R3, resistance R4, resistance R5, resistance R6, country beam L2 and passing light L3;
The mouth of described comparator U1 is connected with the base stage of aerotron Q1, the collecting electrode of aerotron Q1 is connected with the negative pole of passing light L2, the positive pole of passing light L2 connects power supply by resistance R3, the positive pole of described passing light L2 also passes through the rear ground connection of photoconductive cell RG2 and resistance R5 series connection, the grounded emitter of described aerotron Q1;
The mouth of described comparator U2 is connected with the base stage of aerotron Q2, the collecting electrode of aerotron Q2 is connected with the negative pole of country beam L3, the positive pole of country beam L3 connects power supply by resistance R4, the positive pole of described country beam L3 also passes through the rear ground connection of photoconductive cell RG3 and resistance R6 series connection, the grounded emitter of described aerotron Q2;
Described car light conversion control circuit comprises photoconductive cell RG1, rheostat RW and resistance R1, one termination power of described resistance R1, the other end is by photoconductive cell RG1 ground connection, photoconductive cell RG1 is connected with the in-phase end of described comparator U1 and the end of oppisite phase of comparator U2 with the points of common connection of resistance R1, one termination power of described rheostat RW, other end ground connection, the moving contact of rheostat RW is connected with the in-phase end of the end of oppisite phase of comparator U1 and comparator U2.
Further, described device also comprises manual switch module, described manual switch module comprises controller and master cock S1, the input end of described controller is connected with the country beam of vehicle and passing light switch, the control output end of described controller is connected with master cock S1, the control output end of described controller is also connected with the base stage of aerotron Q1 and aerotron Q2, and described master cock is arranged between power supply and car light conversion control circuit.
Further, described control apparatus also comprises power supply indicating module, and described power supply indicating module comprises indicator lamp L1 and resistance R2, and the positive pole of described indicator lamp L1 is connected with power supply by master cock S1, and the negative pole of indicator lamp L1 is by resistance R2 ground connection.
Further, described controller is micro controller system.
Beneficial effect of the present invention: automobile lamp self-checking device of the present invention, automatically can regulate the luminosity of country beam or passing light, thus impact the sight line of chaufeur when avoiding meeting according to light intensity during meeting, ensure traffic safety.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is schematic circuit diagram of the present invention.
Detailed description of the invention
Fig. 1 is schematic circuit diagram of the present invention, as shown in the figure, a kind of automobile lamp self-checking device provided by the invention, comprise car light conversion control circuit and the car light emission control circuit for controlling car light luminance, described car light conversion control circuit is connected with car light emission control circuit;
Described car light emission control circuit comprises comparator U1, comparator U2, aerotron Q1, aerotron Q2, photoconductive cell RG2, photoconductive cell RG3, resistance R3, resistance R4, resistance R5, resistance R6, country beam L2 and passing light L3;
The mouth of described comparator U1 is connected with the base stage of aerotron Q1, the collecting electrode of aerotron Q1 is connected with the negative pole of passing light L2, the positive pole of passing light L2 connects power supply by resistance R3, the positive pole of described passing light L2 also passes through the rear ground connection of photoconductive cell RG2 and resistance R5 series connection, the grounded emitter of described aerotron Q1;
The mouth of described comparator U2 is connected with the base stage of aerotron Q2, the collecting electrode of aerotron Q2 is connected with the negative pole of country beam L3, the positive pole of country beam L3 connects power supply by resistance R4, the positive pole of described country beam L3 also passes through the rear ground connection of photoconductive cell RG3 and resistance R6 series connection, the grounded emitter of described aerotron Q2;
Described car light conversion control circuit comprises photoconductive cell RG1, rheostat RW and resistance R1, one termination power of described resistance R1, the other end is by photoconductive cell RG1 ground connection, photoconductive cell RG1 is connected with the in-phase end of described comparator U1 and the end of oppisite phase of comparator U2 with the points of common connection of resistance R1, one termination power of described rheostat RW, other end ground connection, the moving contact of rheostat RW is connected with the in-phase end of the end of oppisite phase of comparator U1 and comparator U2;
If initial condition is country beam state, as met to sailing without vehicle, photoconductive cell RG1 dull thread stimulates, present high-impedance state, therefore, the in-phase end being input to comparator U1 is input as high potential, the in-phase end voltage of comparator U1 is greater than end of oppisite phase voltage, thus comparator U1 output low level, aerotron Q1 ends, and the end of oppisite phase of comparator U2 is input as high potential, the end of oppisite phase voltage of comparator U2 is greater than in-phase end voltage, the mouth of comparator U2 exports high level, aerotron Q2 conducting, country beam L3 lamp is bright, meet to when sailing when there being vehicle, along with the intensity increase of light, resistance reduces photoconductive cell RG1, the voltage being input to comparator U1 and comparator U2 reduces thereupon, but now the voltage of comparator U1 in-phase end is still greater than the voltage of end of oppisite phase, the voltage of the end of oppisite phase of comparator U2 is still greater than the voltage of in-phase end, country beam is in lighting lamp state, but be provided with photoconductive cell RG3 in the path due to country beam L3, so along with the enhancing of light, the resistance of photoconductive cell RG3 reduces, because when unglazed, photoconductive cell RG3 is high-impedance state, electric current substantially all passes through from country beam L3, country beam luminous intensity is large, meet to sailing when there being vehicle, the electric current that flows through of photoconductive cell RG3 increases, and reduced by the electric current of country beam L3, thus the luminous intensity of L3 also reduces gradually, when impact sail come vehicle distances and this spacing reduce further, the resistance of photoconductive cell RG1 reduces further, and the voltage being input to comparator U1 and comparator U2 reduces further, and now the end of oppisite phase voltage of comparator U1 is greater than in-phase end voltage, and the end of oppisite phase voltage of comparator U2 is less than in-phase end voltage, therefore, comparator U1 exports high level, aerotron Q1 conducting, passing light L2 is bright, and comparator U2 output low level, aerotron Q2 ends, and country beam L3 extinguishes, photoconductive cell RG2 is provided with in path due to passing light L2, its principle of work is identical with photoconductive cell RG3, therefore, along with the distance between vehicle reduces gradually, light stimulus strengthens, the resistance of photoconductive cell RG2 reduces, and reduced by the electric current of passing light L2, so the luminous intensity of passing light L2 reduces gradually, when meeting completes, photoconductive cell RG1 comes back to high-impedance state, again opens country beam L3, and working process is as above-mentioned, wherein, rheostat RW is for setting the VREF (Voltage Reference) of comparator U1 and comparator U2.
In the present embodiment, described device also comprises manual switch module, described manual switch module comprises controller and master cock S1, the input end of described controller is connected with the country beam of vehicle and passing light switch, the control output end of described controller is connected with master cock S1, the control output end of described controller is also connected with the base stage of aerotron Q1 and aerotron Q2, described master cock is arranged between power supply and car light conversion control circuit, wherein main furnace building light switch and passing light switch-linear hybrid are in operator's compartment (not representing in Fig. 1), when passing light switch or main furnace building light switch are opened, so controller controls mode of operation, as automatic control need be entered, so controller output command, master cock S1 closes, car light conversion control circuit and car light emission control circuit enter mode of operation, controller does not export control command to the base stage of aerotron Q1 and aerotron Q2, as needs carry out M/C, can by the mode of double opening and closing main furnace building light switch or passing light switch to controller output command, or also can send signal by other outside equipment, such as trigger switch, controller exports control command makes master cock S1 disconnect, comparator power-off in car light conversion control circuit and car light emission control circuit and not working, but, controller exports high level to the base stage of aerotron Q1 or aerotron Q2, car light is made to enter into high-beam condition or dipped beam state, but, the luminescence power of car light still can regulate, thus effectively avoid because driving sight line is affected and cause traffic accident, wherein, master cock S1 is existing Intelligent switching circuit, also can adopt relay, and controller adopts existing micro controller system, such as ARM micro controller system, certainly, also directly can use Vehicle Controller.
In the present embodiment, described control apparatus also comprises power supply indicating module, described power supply indicating module comprises indicator lamp L1 and resistance R2, the positive pole of described indicator lamp L1 is connected with power supply by master cock S1, the negative pole of indicator lamp L1 is by resistance R2 ground connection, by power supply indicating module, can inform that the current car light state of driver is manual mode or auto state easily, but also indicative function can be provided for wiring.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (4)
1. an automobile lamp self-checking device, is characterized in that: comprise car light conversion control circuit and the car light emission control circuit for controlling car light luminance, described car light conversion control circuit is connected with car light emission control circuit;
Described car light emission control circuit comprises comparator U1, comparator U2, aerotron Q1, aerotron Q2, photoconductive cell RG2, photoconductive cell RG3, resistance R3, resistance R4, resistance R5, resistance R6, country beam L2 and passing light L3;
The mouth of described comparator U1 is connected with the base stage of aerotron Q1, the collecting electrode of aerotron Q1 is connected with the negative pole of passing light L2, the positive pole of passing light L2 connects power supply by resistance R3, the positive pole of described passing light L2 also passes through the rear ground connection of photoconductive cell RG2 and resistance R5 series connection, the grounded emitter of described aerotron Q1;
The mouth of described comparator U2 is connected with the base stage of aerotron Q2, the collecting electrode of aerotron Q2 is connected with the negative pole of country beam L3, the positive pole of country beam L3 connects power supply by resistance R4, the positive pole of described country beam L3 also passes through the rear ground connection of photoconductive cell RG3 and resistance R6 series connection, the grounded emitter of described aerotron Q2;
Described car light conversion control circuit comprises photoconductive cell RG1, rheostat RW and resistance R1, one termination power of described resistance R1, the other end is by photoconductive cell RG1 ground connection, photoconductive cell RG1 is connected with the in-phase end of described comparator U1 and the end of oppisite phase of comparator U2 with the points of common connection of resistance R1, one termination power of described rheostat RW, other end ground connection, the moving contact of rheostat RW is connected with the in-phase end of the end of oppisite phase of comparator U1 and comparator U2.
2. automobile lamp self-checking device according to claim 1, it is characterized in that: described device also comprises manual switch module, described manual switch module comprises controller and master cock S1, the input end of described controller is connected with the country beam of vehicle and passing light switch, the control output end of described controller is connected with master cock S1, the control output end of described controller is also connected with the base stage of aerotron Q1 and aerotron Q2, and described master cock is arranged between power supply and car light conversion control circuit.
3. automobile lamp self-checking device according to claim 2, it is characterized in that: described control apparatus also comprises power supply indicating module, described power supply indicating module comprises indicator lamp L1 and resistance R2, the positive pole of described indicator lamp L1 is connected with power supply by master cock S1, and the negative pole of indicator lamp L1 is by resistance R2 ground connection.
4. automobile lamp self-checking device according to claim 2, is characterized in that: described controller is micro controller system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782904.4A CN104648225B (en) | 2014-12-16 | 2014-12-16 | Automobile lamp self-checking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782904.4A CN104648225B (en) | 2014-12-16 | 2014-12-16 | Automobile lamp self-checking device |
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| CN104648225A true CN104648225A (en) | 2015-05-27 |
| CN104648225B CN104648225B (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410782904.4A Expired - Fee Related CN104648225B (en) | 2014-12-16 | 2014-12-16 | Automobile lamp self-checking device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539154A (en) * | 2017-09-21 | 2019-03-29 | 重庆新湘江科技发展有限公司 | A kind of LED car lamp of tricycle automatic regulating lightness |
| CN112061027A (en) * | 2020-07-30 | 2020-12-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
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| CN102602329A (en) * | 2012-03-23 | 2012-07-25 | 成都玺汇科技有限公司 | Automatic light modulator of automotive headlights |
| CN202439615U (en) * | 2012-03-02 | 2012-09-19 | 山东交通学院 | Automatic regulator of automobile meeting light |
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| JP2013184521A (en) * | 2012-03-07 | 2013-09-19 | Kohei Kaneko | Vehicular lighting system and control system thereof |
| CN104029630A (en) * | 2014-06-04 | 2014-09-10 | 江苏科技大学 | Device and method for automatically transforming high-beam lamp and low-beam lamp of automobile |
| CN204279213U (en) * | 2014-12-16 | 2015-04-22 | 重庆交通大学 | The photosensitive self-adaptive regulating of automobile lamp |
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2014
- 2014-12-16 CN CN201410782904.4A patent/CN104648225B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032158U (en) * | 1988-03-31 | 1989-02-08 | 蒋小钢 | Headlight adjuster for safe vehicle-meeting |
| CN202439615U (en) * | 2012-03-02 | 2012-09-19 | 山东交通学院 | Automatic regulator of automobile meeting light |
| JP2013184521A (en) * | 2012-03-07 | 2013-09-19 | Kohei Kaneko | Vehicular lighting system and control system thereof |
| CN102602329A (en) * | 2012-03-23 | 2012-07-25 | 成都玺汇科技有限公司 | Automatic light modulator of automotive headlights |
| CN103192759A (en) * | 2013-04-22 | 2013-07-10 | 长安大学 | System and method for controlling planar array LED vehicle lamp for vehicle meeting at night |
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| CN204279213U (en) * | 2014-12-16 | 2015-04-22 | 重庆交通大学 | The photosensitive self-adaptive regulating of automobile lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539154A (en) * | 2017-09-21 | 2019-03-29 | 重庆新湘江科技发展有限公司 | A kind of LED car lamp of tricycle automatic regulating lightness |
| CN112061027A (en) * | 2020-07-30 | 2020-12-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
| CN112061027B (en) * | 2020-07-30 | 2022-03-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
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| CN104648225B (en) | 2017-08-18 |
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