CN2285223Y - Automatic control device for vehicle lighting lamp - Google Patents
Automatic control device for vehicle lighting lamp Download PDFInfo
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- CN2285223Y CN2285223Y CN 96239821 CN96239821U CN2285223Y CN 2285223 Y CN2285223 Y CN 2285223Y CN 96239821 CN96239821 CN 96239821 CN 96239821 U CN96239821 U CN 96239821U CN 2285223 Y CN2285223 Y CN 2285223Y
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Abstract
The automatic control device for vehicle lighting lamp is composed of optical sensing circuit, manual signal switch, signal processing circuit, switch signal output circuit and power supply converter, the optical sensing circuit has two channels for sensing the light rays above and in front of the vehicle, and features that the signal processor is composed of A/D converter and single-chip microprocessor, the output end of optical sensing circuit is connected via A/D converter to the input of single-chip microprocessor, the manual signal switch is serially connected between the input of single-chip microprocessor and power supply, and the output end of single-chip microprocessor is connected to the input end of switch signal output circuit. The device can automatically adjust the size of the lamp, the near lamp and the far lamp according to the ambient brightness and the presence or absence of the meeting lamp, can automatically receive manual adjusting signals, and has the advantages of simple circuit structure and high reliability.
Description
The utility model relates to a kind of automatic control device that is used for the car lighting lamp, especially has the illuminating lamp automatic control device of micro controller system.
At present, the open and close of car lighting lamp all are the drivers according to own judgement to ambient brightness, operate various switches and realize, as entering under the situation such as tunnel, the driver reacts not as good as in time not turning on light the danger that has an accident in the unexpected deepening of brightness.After turning on light night, when secretly brightening, the driver forgets to turn off the light easily to be caused turn on light daytime to travel at environment, even does not turn off the light after stopping and leave the battery consumption electric energy and cause situation about can't start next time.At night during two car intersections, because that far and near lamp switches is untimely, the driver is stimulated by high light and may have an accident.Overtaking other vehicles or during meeting, the driver will operate beam deflector switch continually.The unlatching of whole illuminating lamp, close, become operation such as light, all need the driver to finish, action is not only much but also more numerous, and the driver bears heavily, also is unfavorable for traffic safety.
At above situation, China's utility model patent " the car light automatic turn-on and-off switching controller device that has light recon device " 95208785.5, a kind of technical scheme is disclosed, this device is made up of light recon device and controller, a photosensor of light recon device receives the source light of vehicle top, play the big or small light switch of control, the another photosensor is accepted the light of vehicle front, plays the effect of far and near lamp switching controls; Controller comprises adjustable comparator circuit, interference removal circuit, driving circuit, automatic or manual commutation circuit and voltage conversion circuit.But, this technical scheme can keep on the manually operated problem automatically again, be to finish both conversions with a hand switch, be that automatic circuit separates with manual circuit, during automatic circuit work, manual circuit stops, and manual circuit work automatic circuit stops, and selects the sort of circuit working to be undertaken by the people.Therefore, this inconvenience haves much room for improvement.Yet this technology is the digital logic circuit that constitutes with discrete component, further finishes automatic conversion with this kind circuit and can make the circuitry processes complexity, and cost rises, and the reliability that too much installs because of components and parts also can descend.
The purpose of this utility model is to provide a kind of later-model car lighting lamp automatic control device, it except can be according to ambient brightness and passing lamp have or not the big lampet of automatic guidance, outside distance light, the passing light, can also accept manual control signal automatically, and circuit is simple, with low cost, the functional reliability of device is also very high.
The technical solution of the utility model is: a kind of car lighting lamp automatic control device, it has the light sensing circuit, the hand signal switch, signal processing circuit, on-off signal output circuit and supply convertor, the light sensing circuit has two-way, the light in difference sense vehicle top and the place ahead, it is characterized in that signal processor is made up of A/D converter and micro controller system, the mouth of light sensing circuit connects the input port of micro controller system through A/D converter, the hand signal switch series is connected between the input end and power supply of micro controller system, and the mouth of micro controller system links to each other with the input end of on-off signal output circuit.
Second kind of technical scheme is: a kind of car lighting lamp automatic control device, it has the light sensing circuit, the hand signal switch, signal processing circuit, on-off signal output circuit and supply convertor, the light sensing circuit has two-way, the light in difference sense vehicle top and the place ahead, it is characterized in that signal processor is made up of comparator circuit and micro controller system, vehicle top light sensing circuit connects the public input end of the comparator circuit of three tunnel parallel connections, the mouth of three road comparator circuits connects the input port of micro controller system respectively, vehicle front light sensing circuit connects the input port of micro controller system through another road comparator circuit, hand switch is serially connected between the input end and power supply of micro controller system, and the mouth of micro controller system links to each other with the input end of on-off signal output circuit.
As above-mentioned car lighting lamp automatic control device, the photosensor that it is characterized in that the light sensing circuit is a photoconductive cell, a kind of in photistor, the photoemissive element.
As above-mentioned car lighting lamp automatic control device, it is characterized in that the output block in the on-off signal output circuit is relay or contactless switch element.
As above-mentioned car lighting lamp automatic control device, it is characterized in that supply convertor links to each other with Vehicle Power by ignition lock.
The utility model since signal that to be core with the micro controller system receive photosensor and hand signal all as the incoming signal of micro controller system, utilize the intelligence program function of micro controller system, produce the function that hand signal has precedence over the photosensor signal, and take into account the signal condition of photosensor again, can the automatic guidance illuminating lamp thereby reached with simple circuit, can accept the purpose of hand signal again automatically.
The purpose of this utility model is achieved in that device is core with the micro controller system, add input, the output of micro controller system, supply convertor provides suitable power supply for each several part, the vehicle operation power supply is generally 12V or 24V, and micro controller system etc. need the 5V power supply, so supply convertor is transformed to required 5V power supply with Vehicle Power.Supply convertor is controlled by ignition lock, and ignition lock is connected, and translation circuit gets electric work, and ignition lock disconnects the translation circuit dead electricity.Hand switch and micro controller system are connected, it comprises little light switch, passing light switch, main furnace building light switch and the switch of overtaking other vehicles, their on-off signal is input to micro controller system, the micro controller system outputs level signals is to the on-off signal output circuit, and the on-off signal output circuit can be relay or non-contact switch circuit.When using relay, the output signal of micro controller system amplifies through transistor or drives relay through integrated buffering driver, and the action contact of relay links to each other with lampet, passing light, country beam circuit, thereby controls their break-make.The brightness of light sensing circuit testing environment, it includes two optical sensors, sensor can adopt a kind of of photosensors such as photoconductive cell, photistor, photoemissive element, the light of one of them sensor sense vehicle top, after amplifying through amplifying circuit, the light in another sense vehicle the place ahead, signal of sensor send the back level to handle.
The output signal of light sensing circuit can directly be sent into micro controller system, and this moment, micro controller system contained A/D converter, by A/D converter this signal was converted to digital signal and dealt with.
The output signal of light sensing circuit also can be input to earlier in the comparator circuit, and comparator circuit is compared this signal with each a reference value of setting, and the level signal that relatively obtains is sent into micro controller system again and handled.
Have job procedure in the micro controller system, micro controller system is according to the situation of input, and follow procedure deals with, and output signal is to the on-off signal output circuit, and the break-make of control illuminating lamp realizes various functions.The treating process of program is such: at first carry out initialization, enter the main program inlet then, whether detect has hand switch, if do not have, then the signal of light sensing circuit input is done the A/D conversion, the numerical value that is converted to and the lampet of setting, passing light, country beam and change light action a reference value are compared, judge that according to comparative result no change is arranged, if no change then returns the main program inlet, do not judge that then ambient brightness is deepening or brightens if do not need to become light, if return the main program inlet after the brightness deepening is then done to add lustre to and handled, if brightening, brightness then does to return the main program inlet after dim light is handled, become light, increase and decrease light is handled as shown in Table 1.
When detecting the hand switch action, then change corresponding switch motion handler over to, return the main program inlet after handling.Open or close lampet according to the illuminating position difference during lampet switch motion, open or close passing light according to the illuminating position difference during passing light switch motion, open or close country beam according to the illuminating position difference during main furnace building light switch action, when overtaking other vehicles switch motion, handle accordingly according to the illuminating position difference, as shown in Table 2.
Program circuit when more than directly importing micro controller system for the output signal of light sensing circuit, when the output signal of sensing circuit is sent into comparator circuit, obtain comparative result and send into micro controller system again, this moment, program circuit need only omit A/D conversion and numeric ratio than two processes, change into and read in comparative result and get final product, all the other treatment schemees must not change.
Be described further below in conjunction with drawings and Examples:
Fig. 1 is the schematic circuit diagram of embodiment one.
Fig. 2 is the schematic circuit diagram of embodiment two.
Fig. 3 is a program flow diagram.
Fig. 4 is a routine processes table one.
Fig. 5 is a routine processes table two.
In Fig. 1, the light in photoconductive cell R1, R2 difference sense vehicle top and the place ahead, the signal of impression is input to micro controller system IC1 respectively after amplifier U1, U2 amplify.The on-off signal of hand switch K1, K2, K3 is input to micro controller system IC1, micro controller system IC1 output signal is in buffering driver IC2, buffering driver IC2 drives relay J 1, J2, J3, the action contact of relay J 1, J2, J3 links to each other with lampet, passing light, country beam circuit respectively, the 2 pin output 5V power supply of power conversion integration module IC3,1 pin connects Vehicle Power by ignition lock.
In Fig. 2, the light of photoconductive cell R1 sense vehicle top, sense signal is through amplifier U1, send into comparator U3 after the amplification respectively, U4, U5 compares with a reference value, a reference value is respectively by potential device W1, W2, W3 sets, the light in photoconductive cell R2 sense vehicle the place ahead, sense signal is sent into comparator U6 and is compared with benchmark after amplifier U2 amplifies, a reference value is set by potential device W4, comparator U3, U4, U5, the U6 outputs level signals is to micro controller system IC1, hand switch K1, K2, K3, the on-off signal of K4 is input to micro controller system IC1, micro controller system IC1 output signal is through transistor Q1, Q2, Q3 amplifies rear drive relay J 1, J2, J3, relay J 1, J2, action contact and the lampet of J3, passing light, the country beam circuit links to each other, the 2 pin output 5V power supply of power conversion integration module IC3,1 pin connects Vehicle Power by ignition lock.
Lampet, dipped beam, distance light also can be controlled with a hand switch, by once with program with the illumination condition conversion once, can reduce by two switches.
Claims (5)
1, a kind of car lighting lamp automatic control device, it has light sensing circuit, hand signal switch, signal processing circuit, on-off signal output circuit and supply convertor, the light sensing circuit has two-way, the light in difference sense vehicle top and the place ahead, it is characterized in that signal processor is made up of A/D converter and micro controller system, the mouth of light sensing circuit connects the input port of micro controller system through A/D converter, the hand signal switch series is connected between the input end and power supply of micro controller system, and the mouth of micro controller system links to each other with the input end of on-off signal output circuit.
2, a kind of car lighting lamp automatic control device, it has the light sensing circuit, the hand signal switch, signal processing circuit, on-off signal output circuit and supply convertor, the light sensing circuit has two-way, the light in difference sense vehicle top and the place ahead, it is characterized in that signal processor is made up of comparator circuit and micro controller system, vehicle top light sensing circuit connects the public input end of the comparator circuit of three tunnel parallel connections, the mouth of three road comparator circuits connects the input port of micro controller system respectively, vehicle front light sensing circuit connects the input port of micro controller system through another road comparator circuit, hand switch is serially connected between the input end and power supply of micro controller system, and the mouth of micro controller system links to each other with the input end of on-off signal output circuit.
3, as claim 1,2 described car lighting lamp automatic control devices, the photosensor that it is characterized in that the light sensing circuit is a kind of in photoconductive cell, photistor, the photoemissive element.
4, car lighting lamp automatic control device as claimed in claim 3 is characterized in that the output block in the on-off signal output circuit is relay or contactless switch element.
5, as claim 1,2 described car lighting lamp automatic control devices, it is characterized in that supply convertor links to each other with Vehicle Power by ignition lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96239821 CN2285223Y (en) | 1996-12-05 | 1996-12-05 | Automatic control device for vehicle lighting lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96239821 CN2285223Y (en) | 1996-12-05 | 1996-12-05 | Automatic control device for vehicle lighting lamp |
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| Publication Number | Publication Date |
|---|---|
| CN2285223Y true CN2285223Y (en) | 1998-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96239821 Expired - Fee Related CN2285223Y (en) | 1996-12-05 | 1996-12-05 | Automatic control device for vehicle lighting lamp |
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| CN (1) | CN2285223Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400337C (en) * | 2004-11-15 | 2008-07-09 | 财团法人车辆研究测试中心 | Road-adaptive vehicle lamp auto-control device |
| CN101493712B (en) * | 2008-01-23 | 2011-08-17 | 范安成 | Automobile light automatic regulation system |
| CN102595709A (en) * | 2012-01-13 | 2012-07-18 | 北京经纬恒润科技有限公司 | Lamp light controller |
| CN103754154A (en) * | 2014-02-09 | 2014-04-30 | 李良杰 | Smoke road section automatic warning device |
| WO2014117399A1 (en) * | 2013-02-04 | 2014-08-07 | Lee Wen-Sung | Vehicle-mounted intelligent lighting device |
| CN108944648A (en) * | 2018-05-15 | 2018-12-07 | 苏州工业园区职业技术学院 | A kind of energy-efficient automobile light source management system |
| CN111731183A (en) * | 2020-07-28 | 2020-10-02 | 北京福田戴姆勒汽车有限公司 | Vehicle lamp control method and system and vehicle |
-
1996
- 1996-12-05 CN CN 96239821 patent/CN2285223Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400337C (en) * | 2004-11-15 | 2008-07-09 | 财团法人车辆研究测试中心 | Road-adaptive vehicle lamp auto-control device |
| CN101493712B (en) * | 2008-01-23 | 2011-08-17 | 范安成 | Automobile light automatic regulation system |
| CN102595709A (en) * | 2012-01-13 | 2012-07-18 | 北京经纬恒润科技有限公司 | Lamp light controller |
| CN102595709B (en) * | 2012-01-13 | 2014-05-14 | 北京经纬恒润科技有限公司 | Lamp light controller |
| WO2014117399A1 (en) * | 2013-02-04 | 2014-08-07 | Lee Wen-Sung | Vehicle-mounted intelligent lighting device |
| CN103754154A (en) * | 2014-02-09 | 2014-04-30 | 李良杰 | Smoke road section automatic warning device |
| CN108944648A (en) * | 2018-05-15 | 2018-12-07 | 苏州工业园区职业技术学院 | A kind of energy-efficient automobile light source management system |
| CN108944648B (en) * | 2018-05-15 | 2021-09-21 | 苏州工业园区职业技术学院 | Energy-saving automobile light source management system |
| CN111731183A (en) * | 2020-07-28 | 2020-10-02 | 北京福田戴姆勒汽车有限公司 | Vehicle lamp control method and system and vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |