CN101092122B - Automatic device for changing light of front headlight of motor vehicle - Google Patents
Automatic device for changing light of front headlight of motor vehicle Download PDFInfo
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- CN101092122B CN101092122B CN2006100318630A CN200610031863A CN101092122B CN 101092122 B CN101092122 B CN 101092122B CN 2006100318630 A CN2006100318630 A CN 2006100318630A CN 200610031863 A CN200610031863 A CN 200610031863A CN 101092122 B CN101092122 B CN 101092122B
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- 230000000750 progressive effect Effects 0.000 claims description 27
- 230000005669 field effect Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 13
- 238000007540 photo-reduction reaction Methods 0.000 description 9
- 238000005286 illumination Methods 0.000 description 5
- 230000005059 dormancy Effects 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000007958 sleep Effects 0.000 description 1
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Abstract
The invention relates to a vehicle headlight auto light altering device that includes voltage regulator circuit, MCU, signal emitting and receiving circuit, testing circuit, safety alarming circuit, light altering executing circuit, and advancing light altering control circuit. It is installed under engine cover and wheel house, and is connected to ignition switch, dipped headlight, and high beam. Once one vehicle lights dipped headlight, the other would switch to dipped headlight automatically from high beam. Thus, the safety would be ensured. The device is easy to install and works reliably. It would not influence other function of the vehicle.
Description
Technical field
The present invention relates to a kind of used circuit of illumination optical apparatus of power actuated vehicle, specifically, relate to a kind of automatic device for changing light of front headlight of motor vehicle.
Background technology
Front headlight of motor vehicle possesses distance light, two kinds of illumination functions of dipped beam.Self-propelled vehicle is at night during cruising, the general country beam that adopts throws light on, and when two car intersections, dazzle the eyes for preventing distance light, avoid consequent safety traffic accident, national communication portion is about the self-propelled vehicle security regulations: during motor-driven vehicle meeting at night, apart outside 150M, the meeting both sides just should initiatively become head lamp the passing light illumination, because self-propelled vehicle is far away, the conversion of dipped beam is manually to be handled by chaufeur, because of the chaufeur carelessness, quality is low, reasons such as malice unlatching, current mobility car night safe meeting is unsatisfactory, dazzle the eyes the traffic accident that causes because of country beam night and happen occasionally, be unfavorable for safe driving.
Summary of the invention
In order to solve existing self-propelled vehicle causes traffic accident when the nighttime meeting because of long switch-on distance light problem, purpose of the present invention, be to provide a kind of self-propelled vehicle that forces that country beam is automatically changeb to the automatic device for changing light of front headlight of motor vehicle of passing light, thus the safe driving when guaranteeing nighttime meeting.
Solution of the present invention is as follows.Referring to Fig. 1 electric functional-block diagram of the present invention, the present invention is by mu balanced circuit 1, single chip circuit 2, signal transceiver circuit 3, testing circuit 4, safety instruction circuit 5, the change light executive circuit 6 that contains relay 61, progressive change light control circuit 7 connects to form, wherein the mouth 101 of mu balanced circuit 1 is connected respectively to single chip circuit 2, the working power end of signal transceiver circuit 3 and testing circuit 4 is to provide dc supply, the FPDP of single chip circuit 2 links to each other with control port with the FPDP of signal transceiver circuit 3 respectively with control port, the control port of single chip circuit 2 respectively with become light executive circuit 6, progressive change light control circuit 7, the control port of testing circuit 4 and safety instruction circuit 5 joins, the mouth of testing circuit 4, one end (612a) of the passing light signal detection end of one end and single chip circuit 2 and the open contact 612 of relay 61 links together, one end (611a) of the mouth of the other end and progressive change light control circuit 7 and the normally closed contact 611 of relay 61 links to each other, the working power end that becomes light executive circuit 6 be connected with the other end (612b) of the open contact 612 of relay 61 again after the other end (611b) of the normally closed contact 611 of the working power end of progressive change light control circuit 7 and relay 61 connects together altogether.
The present invention with foregoing circuit structure is when installing and using, the power input of its mu balanced circuit 1 is connected with the movable contact head end of self-propelled vehicle ignition lock 11 and self-propelled vehicle beam deflector switch 12, a mouth of above-mentioned testing circuit 4 is connected with the power input of passing light 8 and the stationary contact 122 of self-propelled vehicle beam deflector switch 12 with the end that connects altogether of single chip circuit 2 and open contact 612, with the working power end and the progressive change light control circuit 7 of above-mentioned change light executive circuit 6, the end that connects altogether of normally closed contact 611 and open contact 612 follows another stationary contact 123 of self-propelled vehicle beam deflector switch 12 to be connected; Simultaneously, follow the power input of country beam 9 to be connected with the mouth of progressive change light control circuit 7 and the end that connects altogether of relay 6 normally closed contacts 611 another mouth of testing circuit 4.Main frame of the present invention can be installed in the motor vehicle engine lid or the operator's compartment gap, only needs associated tracks with head light in self lead and the self-propelled vehicle fuse box etc. to be connected by above-mentioned annexation and gets final product.LED light in the safety instruction circuit 5 then can be drawn with lead separately and is connected to bridge instrumentation dish and place, front windshield slit, like this with regard to unlikely damage instrument panel of motor vehicle.
Principle of work of the present invention is as follows.The prerequisite that principle of work is described is all to have installed automatic device for changing light of front headlight of the present invention on the self-propelled vehicle of two nighttime meetinges.Connect self-propelled vehicle ignition lock 11, just to mu balanced circuit 1 power supply, the mouth 101 of mu balanced circuit 1 provides stable dc supply to single chip circuit 2, signal transceiver circuit 3 and testing circuit 4 to power supply 10 in the self-propelled vehicle car.In the time of when driving, need opening passing light 8, the moving contact of self-propelled vehicle beam deflector switch 12 is beaten to 122 dipped beam shelves from 121 neutral gears.Power supply 10 is given passing light 8 power supplies and it is opened bright in the car, the interior power supply 10 of car this moment also acts on the control end of single chip circuit 1, be judged as high level through single chip circuit 2, output signal to signal transceiver circuit 3, make its varying optical signal, and after some seconds, stopping emission under the running of single chip circuit 1 internal processes to the other side's self-propelled vehicle emission certain frequency of meeting.When needs are opened country beam 9, then with 12 dozens of beam deflector switchs to 123 distance light shelves, so in the car power supply 10 to become light executive circuit 6, progressive change light control circuit 7 provides dc supply, and simultaneously through normally closed contact 611 to country beam 9 power supplies and open bright country beam 9.Meanwhile, the signal that progressive change light control circuit 7 is opened country beam acts on single chip circuit 2 and through being judged as high level, after the time (generally can be set at 0.2 second) that its internal processes is set, if this high level is still constant, single chip circuit 2 just outputs signal to signal transceiver circuit 3, signal transceiver circuit 3 is in receives the varying optical signal state.Otherwise, then return initial state, this time-delay of 0.2 second receives varying optical signal, can guarantee self-propelled vehicle whenever all can open off and on country beam 9 (as beat overtake other vehicles and promptly during warning light).After signal transceiver circuit 3 is in the varying optical signal that the other side's self-propelled vehicle of receiving the varying optical signal state and receiving meeting sends, the control end of single chip circuit 2 is sent signal and is given the input end that becomes light executive circuit 6, make relay 61 actions that become in the light executive circuit 6, be that its normally closed contact 611 disconnects and open contact 612 closures, so it is bright that passing light 8 opens, single chip circuit 2 starts the progressive change light path preface of time-delay simultaneously, promptly the series of pulses that increased gradually from its control end output pulse width in some seconds is given the input end of progressive change light control circuit 7, be transformed into country beam voltage through progressive change light control circuit 7 from Nv (Nv into the self-propelled vehicle car in the power line voltage of power supply 10) to 0V, this voltage give country beam 9 make its by bright to dark.Single chip circuit 2 is carried out progressive change light path preface, and whole change photoreduction process can be made as 15S, and wherein to become 0V by Nv be 5S to the voltage on the country beam 9, and ov holds time and is 10S; Single chip circuit 2 is sent control signal discontinuously and is given safety instruction circuit 5 during this, makes its contained LED1 indicator lamp be flicker shape (light and shade alternately), to point out as auxiliary security.When country beam 9 complete deepenings and after (15S when being whole meeting becomes photoreduction process finish after) through 10 seconds, the control end of single chip circuit 2 is sent signal and is given the mouth that becomes light executive circuit 6, the state of relay 61 is changed once more, be its normally closed contact 611 closures, open contact 612 disconnects, so passing light 8 extinguishes, country beam 9 opens bright, and self-propelled vehicle recovers the country beam illumination again.Simultaneously because micro controller system of the present invention contains internal memory, thereby system can write down, preserve, delete multiple information as requested, according to establishing the program requirement in the single chip circuit 2, signal transceiver circuit 3 is except that transmitting and receiving the varying optical signal, can also transmit and receive other signal, as: self encrypted message that can will be retained in after receiving cue in the memory device is launched.In addition, because micro controller system contains built-in AD conversion, behind the system boot, when motor-driven vehicle headlight adapter (damage) does not open when bright, under the program indication, can respectively the shunt resistance of passing light 8 and country beam 9 be measured through the built-in AD conversion of micro controller system by the output of the amplifier IC4 in the testing circuit 5 high level, and resistance is recorded in the internal memory preserves, when detecting headlight, under the program indication, the data that kept in new measuring resistance data and the memory device need only be compared, increase if find resistance, system judges that promptly headlight damages, and be advanced into dormant state certainly, this moment signal transceiver circuit 3 neither emission do not receive varying optical signal yet, relay 61 is in release position, LED1 in the safety instruction circuit 5, LED2 can make alarm.Be in when forcing to become in the photoreduction process when self-propelled vehicle reception varying optical signal, if progressive change light control circuit 6 breaks down, then it can give 2 one cues of single chip circuit, and according to the internal processes of single chip circuit 2, complete machine also can enter aforesaid dormant state.Above-mentioned dormant state is by the internal memory recorded and stored, if system receives prompting breaking dormancy status signal, this sleep state information will be deleted by system, but complete machine breaking dormancy state.
The invention has the beneficial effects as follows: the purpose that 1. reaches both sides' civilization meeting by mandatory change light.Because this system adopts single chip machine controlling circuit, this system's everything is by micro controller system plug-in commander, when the self-propelled vehicle that this system is housed is opened country beam and travelled, after receiving varying optical signal, micro controller system is carried out progressive change light path preface, and dipped beam opens bright, and distance light extinguishes gradually, become between the photophase (15S), under the program indication, self-propelled vehicle can use country beam in intermittence ground, as: play overtake other vehicles lamp and urgent prompting, in addition, the fixing use country beam of self-propelled vehicle.Can stop the part chaufeur like this and be become after the light, recover rapidly again to use the country beam illumination, guarantee finishing of whole Vehicle during Crossing Event by adjusting headlamp beam switch.Simultaneously, significantly mandatory owing to being had by the change photoreduction process, help this self-propelled vehicle and also initiatively become light.Reach the purpose of both sides' civilization meeting.2. can guarantee chaufeur night travel safety.Self-propelled vehicle was forced to become between the photophase, and passing light is bright entirely, and country beam extinguishes gradually, and whole process vision nature does not have the sudden change sense, guarantees chaufeur night travel safety.The safety instruction circuit 5 LED1 indicator lamps that are arranged in operator's compartment simultaneously keep high brightness flicker, make safe aid prompting.In addition, micro controller system contains built-in AD conversion in the native system single chip circuit 2, testing circuit 4 contains amplifier, under interlock circuit is supported, can detect automatically headlight and progressive change light control circuit 7 by the SCM program requirement, as finding that headlight damages or progressive change light control circuit 7 breaks down, system can enter dormant state automatically, and by LED1, LED2 alarm.Guarantee to become the safety of photoreduction process, eliminate safe hidden trouble.3. easy to install.As previously mentioned, this device for changing light need not change the self-propelled vehicle owned circuit when installing, and uses the own power supply of self-propelled vehicle, and all operations is by the own head light beam deflector switch control of self-propelled vehicle.When opening passing light, this device for changing light can be launched varying optical signal, and when opening country beam, this Dim Dimmer can receive varying optical signal, and produces relevant action automatically, and is easy to use.4. have complete emission, reception and writing function.As previously mentioned, because micro controller system contains internal memory in the single chip circuit 2, its signal transceiver circuit 3 is except that can receiving the emission varying optical signal, can also receive or launch other signal, after receiving the special cue of sending in the external world, system can launch self encrypted message that is kept in the memory device.Therefore, in certain area, if unified this device of installing of self-propelled vehicle, external system can be by launching cue to self-propelled vehicle, and according to specific self encrypted message that this self-propelled vehicle emits its identity is discerned automatically, can make things convenient for the inspection work of functional department like this to this area's self-propelled vehicle.
Description of drawings
Fig. 1 is an electric functional-block diagram of the present invention;
Fig. 2 is the schematic diagram of Fig. 1 a kind of physical circuit of the present invention.
The specific embodiment
Referring to Fig. 1 and Fig. 2.Mu balanced circuit 1 of the present invention is made of integrated voltage stabilizer IC1, single chip circuit 2 is by the micro controller system IC2 that contains internal memory and AD conversion, resistance R 4, R6, R8, R15 connects to form, signal transceiver circuit 3 is made of radio receiving transmitting module IC3, testing circuit 4 is by amplifier ic chip 4 (IC4-A, IC4-B), R1, R2, R3, R5, R7, R13, R14, R16, R17, R20 connects to form, safety instruction circuit 5 is by LED 1, LED2, resistance R 10, R11 connects to form, become light executive circuit 6 by aerotron T2, diode VD, resistance R 12, relay 61 and normally closed contact 611 thereof connect to form with open contact 612, and progressive change light control circuit 7 is by field effect transistor V, aerotron T1 and resistance R 9, R18, R19 connects to form.Wherein the mouth 101 of the integrated voltage stabilizer IC1 of mu balanced circuit 1 is connected respectively to the VCC end of the micro controller system IC2 of single chip circuit 2, VCC end and the resistance R 1 of radio receiving transmitting module IC3, the end of R17, the GNP port ground connection of the micro controller system IC2 of single chip circuit 2, R7 in IC2 input end and the testing circuit 4, R20 links to each other, all the other IC2 ports respectively with the quantitative data input of radio receiving transmitting module IC3, mouth, transmitting-receiving conversion and control end, 1 of amplifier ic chip 4,7 pin, resistance R 4, R6, R8, R15, R9, R10, R11, the end of R12 links to each other, the resistance R 9 of single chip circuit 2 is connected with the base stage of the aerotron T1 of progressive change light control circuit 7, resistance R 1 in the testing circuit 4, resistance R 4 connects end altogether and links to each other with an end of the open contact 612 of the relay 61 that becomes light executive circuit 6 in R2 and the single chip circuit 2, resistance R 13 in the testing circuit 4, in R17 and the single chip circuit 2 resistance R 15 connect altogether the end with asymptotic change optical circuit 7 in resistance R 18, after field effect transistor V source electrode linked to each other, the open contact 611 with the relay 61 that becomes light executive circuit 6 linked to each other with normally closed contact 612 common ground again.After one end of the normally closed contact 611 of source electrode, resistance R 15 1 ends and resistance R 18 1 ends and the relay 61 of the field effect transistor V that connects end and progressive change light control circuit 7 altogether of the line Bao Yiduan of the relay 61 of change light executive circuit 6 and the negative pole of diode VD connects together altogether, the other end (612b) with the open contact 612 of relay 61 joins again, and the end that connects altogether of the drain electrode of the field effect transistor V of progressive change light control circuit 7 and resistance R 20 links to each other with the other end (611b) of the normally closed contact 611 of relay 61.The model of IC1 among Fig. 2, IC2, IC3 and IC4 can adopt LM78L05, PIC16F676, STR-6 and LM358 respectively, and is all commercially available.
Fig. 2 embodiment circuit is when installing and using, the power input of its integrated voltage stabilizer IC1 is connected with the movable contact head end of self-propelled vehicle ignition lock 11 and self-propelled vehicle beam deflector switch 12, the end that connects altogether of R1, R2, R4 and relay 61 open contacts 612 is connected with the stationary contact 122 of self-propelled vehicle beam deflector switch 12, connecting altogether of line bag, diode VD, field effect transistor V, resistance R 15, R17, R18, normally closed contact 611 and the open contact 612 of relay 61 is held be connected with the stationary contact 123 of self-propelled vehicle beam deflector switch 12; Simultaneously, the end that connects altogether with field effect transistor V and normally closed contact 611 is connected with 122 with two country beams 121.
Referring to Fig. 2.The interior power supply 10 of the self-propelled vehicle car Battery voltage EC of embodiment in the drawings is 12V, and the voltage of integrated voltage stabilizer IC1 mouth 101 is 5V.When driving the time need be opened passing light, to dipped beam shelves 122, passing light 8 opened bright with 12 dozens of beam deflector switchs, and this moment, micro controller system IC2 judged that its P-9 pin is a high level, and radio receiving transmitting module IC3 begins to launch the varying optical signal of 433MHZ, stops emission after 3 seconds.When need are opened country beam 9, with 12 dozens of beam deflector switchs to distance light shelves 123, so EC through normally closed contact 611 to country beam 9 power supplies and open bright.Meanwhile; micro controller system IC2 judges that its P-7 pin is a high level; 0.2 a second back radio receiving transmitting module IC3 then is initially located in the varying optical signal state that receives; otherwise just return initial state; the time-delay in this 0.2 second receives varying optical signal, can guarantee self-propelled vehicle whenever can intermittently open country beam 9 (as beat overtake other vehicles and promptly during warning light).After radio receiving transmitting module IC3 is in reception varying optical signal state and receives the varying optical signal of 433MHZ, the P-5 pin of micro controller system IC2 is in high level, make T2 conducting and relay 61 adhesives, be that its normally closed contact 611 disconnects and open contact 612 closures, so it is bright that passing light 8 opens, micro controller system IC2 starts the progressive change light path preface of time-delay simultaneously, the i.e. series of pulses that P-2 pin output pulse width increases gradually in some second, convert country beam voltage from 12V to 0V to through T1, V, this voltage give country beam 9 make they by bright to dark.Whole change photoreduction process is 15s, and wherein to become 0V by 12V be 5s to the voltage on the country beam 9, the 0V 10S that holds time; Be forced to become in the photoreduction process, if chaufeur becomes country beam into passing light earlier in 15S.Revert to country beam then again, at this moment, micro controller system will continue to finish progressive change photoreduction process; High level appears in this period P-4 pin discontinuously, and the LED1 indicator lamp is the flicker shape.When country beam 9 complete deepenings and through after 10 seconds kinds, P-5 pin zero setting level ends T2, the state of relay 61 becomes release, i.e. its normally closed contact 611 closures, and its open contact 612 disconnects, so passing light 8 extinguishes, country beam 9 opens bright, and self-propelled vehicle recovers far lighting again.Because micro controller system includes internal memory, system is according to the program requirement of micro controller system IC2, radio receiving transmitting module IC3 also can transmit and receive other signal except that transmitting and receiving the varying optical signal, and self encrypted message that both can will be kept at after receiving cue in the memory device is launched.The principle of testing circuit is: behind the system boot, when motor-driven vehicle headlight adapter (headlight all damage) does not open when bright, under the SCM program indication, can respectively the shunt resistance of passing light 8 and country beam 9 be measured by the built-in AD conversion of the output of the amplifier integrated package output pin in the testing circuit 4 high level footpath micro controller system, and resistance data is recorded in the micro controller system internal memory preserves, when detecting headlight, under the program indication, the data that kept in new measuring resistance data and the memory device need only be compared, if two headlights in parallel arbitrarily damage one, this group resistance increases and is twice, and old data obviously are not inconsistent in this moment new data and the memory device, and system promptly enters dormant state.While LED2 opens bright, and expression has headlight to damage.Self-propelled vehicle is being forced to become in the photoreduction process, if field effect transistor V damage is opened circuit and is caused the P-8 pin of IC2 zero level to occur, or during the 5S-15S that change light carries out, making the P-8 pin of IC2 high level occur owing to fault causes field effect transistor V to end fully, this moment, complete machine also can enter dormant state.System does not promptly launch and does not receive varying optical signal yet, and relay 61 is in release position.The system that is in dormant state still can receive other non-varying optical signal, if receive the inspection cue, system is kept at information in the memory device with emission, if the cue of receiving breaking dormancy, system recovers the breaking dormancy state again emission and presses the ability of receiving varying optical signal.
Claims (2)
1. automatic device for changing light of front headlight of motor vehicle, it is characterized in that, it is by mu balanced circuit (1), single chip circuit (2), signal transceiver circuit (3), testing circuit (4), safety instruction circuit (5), the change light executive circuit (6) that contains relay (61), progressive change light control circuit (7) connects to form, wherein the mouth (101) of mu balanced circuit (1) is connected respectively to single chip circuit (2), the working power end of signal transceiver circuit (3) and testing circuit (4) is to provide dc supply, the FPDP of single chip circuit (2) links to each other with control port with the FPDP of signal transceiver circuit (3) respectively with control port, the control port of single chip circuit (2) respectively with become light executive circuit (6), progressive change light control circuit (7), the control port of testing circuit (4) and safety instruction circuit (5) joins, the mouth of testing circuit (4), one end (612a) of the open contact (612) of the passing light signal detection end of one end and single chip circuit (2) and relay (61) links together, one end (611a) of the mouth of the other end and progressive change light control circuit (7) and the normally closed contact (611) of relay (61) links to each other, the working power end that becomes light executive circuit (6) be connected with the other end (612b) of the open contact (612) of relay (61) again after the other end (611b) of the normally closed contact (611) of the working power end of progressive change light control circuit (7) and relay (61) connects together altogether.
2. automatic device for changing light of front headlight of motor vehicle according to claim 1, it is characterized in that, mu balanced circuit (1) is made of integrated voltage stabilizer IC1, single chip circuit (2) is by the micro controller system IC2 that contains internal memory and A D conversion, resistance R 4, resistance R 6, resistance R 8, resistance R 15 connects to form, signal transceiver circuit (3) is made of radio receiving transmitting module IC3, testing circuit (4) is by amplifier IC4 (IC4-A, IC4-B), resistance R 1, resistance R 2, resistance R 3, resistance R 5, resistance R 13, resistance R 14, resistance R 16, resistance R 17, resistance R 20, resistance R 7 connects to form, safety instruction circuit (5) is by LED 1, LED2, resistance R 10, resistance R 11 connects to form, become light executive circuit (6) by aerotron T2, diode VD, resistance R 12, relay (61) and normally closed contact (611) thereof connect to form with open contact (612), and progressive change light control circuit (7) is by field effect transistor V, aerotron T1, resistance R 9, resistance R 18, resistance R 19 connects to form.
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CN2006100318630A CN101092122B (en) | 2006-06-22 | 2006-06-22 | Automatic device for changing light of front headlight of motor vehicle |
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CN2006100318630A CN101092122B (en) | 2006-06-22 | 2006-06-22 | Automatic device for changing light of front headlight of motor vehicle |
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CN101092122B true CN101092122B (en) | 2010-09-22 |
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CN2006100318630A Expired - Fee Related CN101092122B (en) | 2006-06-22 | 2006-06-22 | Automatic device for changing light of front headlight of motor vehicle |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102069752B (en) * | 2009-11-23 | 2013-01-02 | 赵立 | Automatic luminosity-changing device for headlights of automotive vehicle |
CN102069751B (en) * | 2009-11-23 | 2012-12-26 | 赵立 | Automatic luminosity-changing device for headlights of automotive vehicle |
CN102076137A (en) * | 2009-11-23 | 2011-05-25 | 赵立 | Automatic dimming device for headlights of locomotive vehicle |
CN102529797B (en) * | 2011-12-31 | 2014-06-11 | 重庆长安汽车股份有限公司 | Overtaking control system and control method on basis of high beam and low beam integrated xenon headlamp |
CN103826371B (en) * | 2014-03-10 | 2016-06-22 | 广州市雷腾照明科技有限公司 | Car headlamp self adaptation both positive and negative polarity switching circuit |
CN104192097B (en) * | 2014-09-19 | 2016-04-06 | 赵立 | A kind of vehicle automatic device for changing light recovers method and the circuit of normal working |
CN104192056B (en) * | 2014-09-19 | 2016-01-06 | 赵立 | The dynamic value of a kind of intelligent dimmer detects the method for headlight |
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US6566816B2 (en) * | 2000-09-19 | 2003-05-20 | Aisin Seiki Kabushiki Kaisha | Vehicular lamp control apparatus |
CN2584457Y (en) * | 2002-12-20 | 2003-11-05 | 黄章跃 | Automatic dimming controlling device for headlight of vehicle |
CN2695290Y (en) * | 2003-05-18 | 2005-04-27 | 赵立 | Intelligent automatic dimming device head lamp of automobile |
CN1640721A (en) * | 2003-06-30 | 2005-07-20 | 赵立 | Automatic dimming device of front headlamp for motor vehicle |
CN2927594Y (en) * | 2006-06-22 | 2007-07-25 | 赵立 | Automatic variator of head light for motor vehicle |
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- 2006-06-22 CN CN2006100318630A patent/CN101092122B/en not_active Expired - Fee Related
Patent Citations (5)
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US6566816B2 (en) * | 2000-09-19 | 2003-05-20 | Aisin Seiki Kabushiki Kaisha | Vehicular lamp control apparatus |
CN2584457Y (en) * | 2002-12-20 | 2003-11-05 | 黄章跃 | Automatic dimming controlling device for headlight of vehicle |
CN2695290Y (en) * | 2003-05-18 | 2005-04-27 | 赵立 | Intelligent automatic dimming device head lamp of automobile |
CN1640721A (en) * | 2003-06-30 | 2005-07-20 | 赵立 | Automatic dimming device of front headlamp for motor vehicle |
CN2927594Y (en) * | 2006-06-22 | 2007-07-25 | 赵立 | Automatic variator of head light for motor vehicle |
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