CN201407571Y - Automobile headlamp automatic light modulator with light prompt - Google Patents
Automobile headlamp automatic light modulator with light prompt Download PDFInfo
- Publication number
- CN201407571Y CN201407571Y CN2009200670506U CN200920067050U CN201407571Y CN 201407571 Y CN201407571 Y CN 201407571Y CN 2009200670506 U CN2009200670506 U CN 2009200670506U CN 200920067050 U CN200920067050 U CN 200920067050U CN 201407571 Y CN201407571 Y CN 201407571Y
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- relay
- circuit
- resistance
- triode
- automobile headlamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model discloses an automobile headlamp automatic light modulator with light prompt, comprising a headlamp switch connected with a power supply, a near reaching lamp, a far reaching lap, aphotosensitive circuit and a detecting circuit; wherein the near reaching lamp and the far reaching lamp are connected in parallel, the photosensitive circuit comprises at least one photoelectric component and at least one resistor, the output end of the photosensitive circuit is connected with the input end of the detecting circuit, the photoelectric component receives optical signals to form voltage difference, the detecting circuit comprises a plurality of triodes, relays, time relays and resistors, the contactor of one relay can be used to communicate the near reaching lamp or the far reaching lamp, the triodes and the resistor of the detecting circuit form a voltage switch circuit, and the base pole of one triode of the switch circuit is used as the input end of the detecting circuitto receive the voltage difference of the photoelectric component of the photosensitive circuit. The automobile headlamp automatic light modulator utilizes the match between the near reaching lamp andthe far reaching lamp correctly, to prevent traffic accidents caused by error use of headlamp in crossing, thereby protecting driver and property.
Description
Technical field
The utility model provides a kind of device with an automatic light meter, and is particularly a kind of when can be used in automobile meeting, flash of light prompting the other side, and the automatic switchover distance light is dipped beam, and after meeting finishes, the automobile headlamp device with an automatic light meter of the distance light that automaticallyes switch back again.
Background technology
At present, during driving at night, incorrect use automobile front is the arch-criminal of many traffic accidents.Although China's law on road traffic safety implementing regulations are clearly stipulated: meet at night and to close high beam, use dipped headlights instead.But quite a few driver often uses high beam and the other side's meeting, causes the other side driver to dazzle the eyes and leads to traffic accident.The high beam of existing motor vehicle is transferred to dipped headlights and is all needed manual operation, can't realize automatic conversion.
Patent publication No.: introduced a kind of motorcycle device with an automatic light meter among the CN2217552Y, the diode rectification filter circuit that it has a generator that drives with motorcycle engine to be connected, be connected to the time-base oscillation circuit behind the current rectifying and wave filtering circuit, the time-base oscillation circuit output end is connected to the relay switch executive circuit, and this light modulator can make the brightness of car front and back lamp not be subjected to the influence of engine throttle size.When running into situations such as meeting, turning, gap bridge, generally will reduce the speed of a motor vehicle especially, it is smaller that the Throttle Opening Control of engine gets, the brightness of using this patent can help to improve car light, favourable driving safety.Compare with the utility model, control the car light circuit though used electronic relay equally, but its practical novel purport is to build circuit by diode, electronic relay and time-base oscillation circuit, when making its generator out-put supply of working as the motorcycle engine driving influence car light brightness less than setting value, this power supply makes the adhesive of dry-reed relay normal open switch contact through rectification circuit, time-base oscillation circuit, dry-reed relay is the normally closed switch contact adhesive of control relay again, the normal open switch contact disconnects, and supplies with vehicle light power supply by battery; When the generator out-put supply of motorcycle engine driving does not influence car light brightness, the adhesive of relay normally open make and break contact, the normally closed switch contact disconnects, and car light is by the generator supply power.This patent can not solve the problem of high beam and dipped headlights automatic switchover.
Patent publication No.: CN2151897Y has introduced a kind of auto lamp device with an automatic light meter, and it utilizes the photodiode in the photoelectric control circuit, the extraneous light of injecting of impression, start-up circuit, motor is rotated, and by decelerator, the cam that drives in the driving mechanism rotates, thereby grounding wafer is separated with the distance light contact, and contact with the dipped beam contact, make auto lamp become dipped beam, along with the continuous rotation of cam by distance light, realized the checker of distance light and dipped beam, for driving at night has brought safety.This patent structure is simple, and light modulation is rapid, need not manual control, has alleviated driver's operation burden, is a kind of desirable device with an automatic light meter.Though this patent also can be regulated high beam and dipped headlights automatically, but it must use frame for movements such as turbine, worm screw, breaks down easily, and distance light and dipped beam can constantly glimmer before carriage return simultaneously, can have influence on opposite driver's sight line on the contrary, be unfavorable for actual use.The utility model is then controlled the conversion of high beam and dipped headlights by the time relay, mechanical parts such as turbine, worm screw have been saved, and by using two time relays to control the flicker order of high beam → dipped headlights → high beam → dipped headlights → high beam effectively, the driver who can appropriateness reminds the opposite vehicle, for meeting provides suitable light, guarantee driver's life, property safety.
There are the following problems and deficiency to find above two patents through long-term use:
1. use high beam improperly, cause traffic accident easily, harm driver's safety of life and property.
2. common car light light modulator need use turbine, worm screw, and structure is loaded down with trivial details, breaks down easily.
3. the flicker of dipped headlights and high beam can not be effectively controlled in common car light light modulation, may cause interference to the driver of meeting.
Summary of the invention
The purpose of this utility model provides a kind of automobile headlamp with light prompt device with an automatic light meter, when automobile meeting, and flash of light prompting the other side, and the automatic switchover distance light is dipped beam, and after meeting finishes, the automobile headlamp device with an automatic light meter of the distance light that automaticallyes switch back again.
In order to achieve the above object, a kind of automobile headlamp with light prompt of the present utility model device with an automatic light meter comprises: one connects the preceding lamp switch of power supply; One executive circuit, described executive circuit comprise a road dipped headlights source and a great distance light modulation source that is connected in parallel, and described dipped headlights source comprises at least one dipped headlights, and described high beam source comprises at least one high beam, also comprises: a photosensitive circuit and a testing circuit; Described photosensitive circuit comprises at least one photoelectric cell and at least one resistance, the input of the output connection detection circuit of photosensitive circuit, and described photoelectric cell receiving optical signals forms voltage difference; Described testing circuit comprises some triodes, some relays, some time relay and some resistance, wherein dipped headlights or the high beam in the conducting executive circuit selected in the contact of a relay, resistance in described triode and the testing circuit is formed the voltage switch circuit, and the base stage of a triode receives the voltage difference of the photoelectric cell in the photosensitive circuit in the on-off circuit as the input of testing circuit.
Preferably, described testing circuit comprises:
At least two relays, at least two triodes, at least one time relay and some resistance;
Described triode is the positive-negative-positive triode, and its base stage is as the input of testing circuit, and colelctor electrode connects the base stage of resistance and described triode, grounded emitter successively;
Described triode is a NPN type triode, lamp switch before its base stage connects by resistance, and lamp switch before emitter stage connects, colelctor electrode connects an end of described relay;
The other end ground connection of described relay;
An end is electrically connected the normally-closed contact and the preceding lamp switch of described relay, other end ground connection successively after the described time relay and the relay parallel connection;
The normally-closed contact of the described time relay is connected with relay;
Described dipped headlights of conducting or described high beam are selected in the contact of described relay.
Preferably, the normality contact of described relay contacts with high beam.
Preferably, described testing circuit also comprises:
One time relay, parallel with one another with the described time relay and relay;
Connect with relay after the normally-closed contact parallel connection of the normally opened contact of the described time relay and relay and the time relay.
Preferably, described testing circuit also comprises: a diode, it is in parallel with described relay, ends the part electric current that described transistor collector sends.
Preferably, an end of lamp switch and photoelectric cell before the resistance two ends in the described photosensitive circuit connect respectively; The other end ground connection of described photoelectric cell;
Described photoelectric cell is connected the base stage of the triode in the described testing circuit with the node lead between the resistance, the voltage of photoelectric cell is outputed to testing circuit.
Preferably, described photoelectric cell is a phototransistor.
Preferably, described photosensitive circuit also comprises: a filter module is connected between resistance and the photoelectric cell.
Preferably, described filter module comprises: electric capacity and a resistance, described electric capacity and resistance parallel connection.
The utility model compared with prior art has the following advantages and good effect:
1. correctly use high beam and dipped headlights to cooperate, mistake is used the traffic accident that car light causes when having prevented meeting, has protected driver's safety of life and property.
2. by the appropriate design of electronic devices and components and circuit, save mechanical part, reduced fault rate.
3. control the flicker order of high beam → dipped headlights → high beam → dipped headlights → high beam effectively, can appropriateness remind the driver of opposite vehicle, ensure meeting safety.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.
In the accompanying drawings:
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is an electrical schematic diagram of the present utility model.
Drawing reference numeral:
[R1] resistance [R2] resistance [R3] resistance [R4] resistance
[C1] electric capacity [VT1] phototransistor [VT2] triode [VT3] triode
[K1] relay [K2] relay [S1] time relay [S2] time relay
[VD] diode
The specific embodiment
Specifically introduce a kind of preferred embodiment of the present utility model below in conjunction with accompanying drawing 1-2.
As shown in Figure 1, this block diagram has been introduced a kind of automobile headlamp with light prompt device with an automatic light meter, comprises the preceding lamp switch that connects power supply; Executive circuit, photosensitive circuit and testing circuit.Executive circuit comprises dipped headlights and the high beam that is connected in parallel.Photosensitive circuit comprises photoelectric cell and resistance, the input of the output connection detection circuit of photosensitive circuit, and described photoelectric cell receiving optical signals forms voltage difference.Testing circuit comprises some triodes, some relays, some time relay and some resistance, wherein dipped headlights or the high beam in the conducting executive circuit selected in the contact of a relay, resistance in described triode and the testing circuit is formed the voltage switch circuit, and the base stage of a triode receives the voltage difference of the photoelectric cell in the photosensitive circuit in the on-off circuit as the input of testing circuit.
As shown in Figure 2, testing circuit comprises two relay K 1, K2, two triode VT2, VT3, two time relay S1, S2 and two resistance R 1, R2; Described triode VT2 is the positive-negative-positive triode, and its base stage is as the input of testing circuit, and colelctor electrode connects the base stage of a resistance R 2 and described triode VT3, grounded emitter successively; Described triode VT3 is a NPN type triode, lamp switch before its base stage connects by a resistance R 1, and lamp switch before emitter stage connects, colelctor electrode connects an end of described relay K 1; The other end ground connection of described relay K 1; A diode VD, it is in parallel with described relay K 1, the electric current that sends by described triode VT3 colelctor electrode.
Described time relay S1, S2 and relay K 2, back parallel with one another one end is electrically connected the normally-closed contact and the preceding lamp switch of described relay K 1, other end ground connection successively; The normally-closed contact of described time relay S1 is connected with relay K 2; Described relay K 2 is selected described dipped headlights of conducting or described high beam, and its normality contact contacts with high beam; Connect with relay K 2 after the normally-closed contact parallel connection of the normally opened contact of described time relay S2 and time relay S1.
Described photosensitive circuit comprises resistance R 4, filter module and the photoelectric cell of series connection successively, and this routine photoelectric cell is phototransistor VT1, and it is the preceding lamp switch of 12V and an end of photoelectric cell that described resistance R 4 two ends connect voltage respectively; The other end ground connection of described photoelectric cell; Described phototransistor VT1 is connected the base stage of the triode VT2 in the described photosensitive circuit with the node lead between the resistance R 4, the voltage of phototransistor VT1 is outputed to photosensitive circuit.Filter module is by a capacitor C 1 and a resistance R 3 in parallel realizations.
One group of electrical quantity of said elements is as follows: the resistance of four resistance is divided into and is: R1=22K Europe, R2=22K Europe, R3=22M Europe, R4=22K Europe; The capacity of capacitor C 1 is 0.1uF.
In this circuit, the luminous sensitivity of the bleeder circuit decision-making circuit that constitutes by resistance R 3, R4 and phototransistor VT1.Diode VD plays the effect of protective relay.Capacitor C 1 plays filter action, and when the resistance frequent variations of phototransistor VT1, it is very fast to cause triode VT2 base voltage to change, but capacitor C 1 plays cushioning effect, can the fluctuation of filtering quick voltage, guarantee the stability of light.
In the process of using, VT1 is a phototransistor, is installed in the car body front portion, is used to detect the head-on light of automobile, and for making the sensitivity height, high directivity is equipped with lens before VT1.
Opening automobile headlight self-checking device when driving a vehicle night.
State one: when phototransistor VT1 does not have illumination, triode VT2, VT3 conducting, relay K 1 gets electric adhesive, and its normally-closed contact disconnects, and then relay K 2 disconnects, its normally-closed contact closure, high beam is bright, and dipped headlights goes out.
State two: when detecting the car bulb of head-on sailing, its resistance of phototransistor VT1 receiving optical signals descends, cause the branch drops, so the VT2NPN type ends, then the circuit of resistance R 1, R2, triode VT2 composition disconnects, the base stage of VT3PNP type is 12V, can not satisfy turn-on condition, also ends.Then relay K 1 disconnects, its normally-closed contact closure, this moment relay K 2, time relay S1 with S2 all electric adhesive, the normally-closed contact disconnection of K2, dipped headlights is bright, high beam goes out.
Behind the state three: 1 seconds, the normally-closed contact of time relay S1 disconnects, and then relay K 2 does not have the electricity disconnection, and high beam is bright, and dipped headlights goes out.
State four: after one second, the normally opened contact closure of time relay S2, relay K 2 adhesives, dipped headlights is bright, and high beam goes out, and this state can keep finishing up to meeting always.
State five: after meeting finished, phototransistor VT1 lost illumination, and the recovering state of electronic devices and components is to state one, and this moment, high beam recovered normal according to the road.
As seen, this device finish switch to dipped headlights by high beam in, also realized the flashing function of high beam → dipped headlights → high beam → dipped headlights → high beam, point out the opposite vehicle to regulate automobile headlamp thus.
The utility model correctly uses high beam and dipped headlights to cooperate, and mistake is used the traffic accident that car light causes when having prevented meeting, has protected driver's safety of life and property; By the appropriate design of electronic devices and components and circuit, saved mechanical part, reduced fault rate; Control the flicker order of high beam → dipped headlights → high beam → dipped headlights → high beam effectively, can appropriateness remind the driver of opposite vehicle, ensure meeting safety.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (9)
1. the device with an automatic light meter of the automobile headlamp with light prompt comprises that one connects the preceding lamp switch of power supply; One executive circuit, described executive circuit comprise a road dipped headlights source and a great distance light modulation source that is connected in parallel, and it is characterized in that: described dipped headlights source comprises at least one dipped headlights, and described high beam source comprises at least one high beam, also comprises:
One photosensitive circuit and a testing circuit;
Described photosensitive circuit comprises at least one photoelectric cell VT1 and at least one resistance R 4, the input of the output connection detection circuit of photosensitive circuit, and described photoelectric cell VT1 receiving optical signals forms voltage difference;
Described testing circuit comprises some triodes, some relays, some time relay and some resistance, wherein dipped headlights or the high beam in the conducting executive circuit selected in the contact of a relay, resistance in described triode and the testing circuit is formed the voltage switch circuit, and the base stage of a triode receives the voltage difference of the photoelectric cell VT1 in the photosensitive circuit in the on-off circuit as the input of testing circuit.
2. the automobile headlamp of band light prompt as claimed in claim 1 device with an automatic light meter is characterized in that, described testing circuit comprises:
At least two relay K 1, K2, at least two triode VT2, VT3, at least one time relay S1 and some resistance R 1, R2;
Described triode VT2 is the positive-negative-positive triode, and its base stage is as the input of testing circuit, and colelctor electrode connects the base stage of resistance R 2 and described triode VT3, grounded emitter successively;
Described triode VT3 is a NPN type triode, lamp switch before its base stage connects by resistance R 1, and lamp switch before emitter stage connects, colelctor electrode connects an end of described relay K 1;
The other end ground connection of described relay K 1;
Described time relay S1 and relay K 2 backs in parallel one end are electrically connected the normally-closed contact and the preceding lamp switch of described relay K 1, other end ground connection successively;
The normally-closed contact of described time relay S1 is connected with relay K 2;
Described dipped headlights of conducting or described high beam are selected in the contact of described relay K 2.
3. the automobile headlamp of band light prompt as claimed in claim 2 device with an automatic light meter is characterized in that: the normality contact of described relay K 2 contacts with high beam.
4. the automobile headlamp of band light prompt as claimed in claim 3 device with an automatic light meter is characterized in that, described testing circuit also comprises:
One time relay S2, parallel with one another with described time relay S1 and relay K 2;
Connect with relay K 2 after the normally-closed contact parallel connection of the normally opened contact of described time relay S2 and relay K 2 and time relay S1.
5. the automobile headlamp of band light prompt as claimed in claim 4 device with an automatic light meter is characterized in that, described testing circuit also comprises:
A diode VD, it is in parallel with described relay K 1, the part electric current that sends by described triode VT3 colelctor electrode.
6. as the automobile headlamp device with an automatic light meter of any described band light prompt among the claim 1-5, it is characterized in that the end of lamp switch and photoelectric cell VT1 before resistance R 4 two ends in the described photosensitive circuit connect respectively; The other end ground connection of described photoelectric cell VT1;
Described photoelectric cell VT1 is connected the base stage of the triode VT2 in the described testing circuit with the node lead between the resistance R 4, the voltage of photoelectric cell VT1 is outputed to testing circuit.
7. the automobile headlamp of band light prompt as claimed in claim 6 device with an automatic light meter is characterized in that: described photoelectric cell VT1 is a phototransistor.
8. the automobile headlamp of band light prompt as claimed in claim 7 device with an automatic light meter is characterized in that, described photosensitive circuit also comprises:
One filter module is connected between resistance R 4 and the photoelectric cell VT1.
9. the automobile headlamp of band light prompt as claimed in claim 8 device with an automatic light meter is characterized in that, described filter module comprises: a capacitor C 1 and a resistance R 3, described capacitor C 1 and resistance R 3 parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200670506U CN201407571Y (en) | 2009-01-16 | 2009-01-16 | Automobile headlamp automatic light modulator with light prompt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200670506U CN201407571Y (en) | 2009-01-16 | 2009-01-16 | Automobile headlamp automatic light modulator with light prompt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407571Y true CN201407571Y (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200670506U Expired - Fee Related CN201407571Y (en) | 2009-01-16 | 2009-01-16 | Automobile headlamp automatic light modulator with light prompt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407571Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595685A (en) * | 2011-01-05 | 2012-07-18 | 上海米开罗那机电技术有限公司 | Device for improving performances of automotive head lamp |
| CN103380447A (en) * | 2011-03-01 | 2013-10-30 | 奥托立夫开发公司 | A driver assistance system and method for a motor vehicle |
-
2009
- 2009-01-16 CN CN2009200670506U patent/CN201407571Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595685A (en) * | 2011-01-05 | 2012-07-18 | 上海米开罗那机电技术有限公司 | Device for improving performances of automotive head lamp |
| CN102595685B (en) * | 2011-01-05 | 2016-01-06 | 上海米开罗那机电技术有限公司 | A kind of equipment of improving performances of automotive head lamp |
| CN103380447A (en) * | 2011-03-01 | 2013-10-30 | 奥托立夫开发公司 | A driver assistance system and method for a motor vehicle |
| CN103380447B (en) * | 2011-03-01 | 2015-11-25 | 奥托立夫开发公司 | For driver assistance system and the method for motor vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20130116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |