CN102267416A - System for controlling spot lamp of motor vehicle - Google Patents
System for controlling spot lamp of motor vehicle Download PDFInfo
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- CN102267416A CN102267416A CN2011101267105A CN201110126710A CN102267416A CN 102267416 A CN102267416 A CN 102267416A CN 2011101267105 A CN2011101267105 A CN 2011101267105A CN 201110126710 A CN201110126710 A CN 201110126710A CN 102267416 A CN102267416 A CN 102267416A
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Abstract
The invention discloses a system for controlling a spot lamp of a motor vehicle and relates to the technical field of spot lamp control of motor vehicles. The system is provided with a front lamp control device and a rear lamp control device, wherein the front lamp control device comprises a micro controller I, a communication module I connected with the micro controller I, and a left lamp switch, a right lamp switch, a reversing lamp switch, a braking lamp switch, a width lamp switch, a fog lamp switch and a license plate lamp switch which are connected with the micro controller I; a front lamp driver connected with the micro controller I, a front left lamp, a front right lamp and a front width lamp which are connected with the front lamp driver, and a headlight, a dipped headlight and a front fog lamp are directly connected with corresponding switches; the rear lamp control device comprises a micro controller II, a communication module II connected with the micro controller II, a rear lamp driver connected with the micro controller II and a rear lamp connected with the rear lamp driver; and the communication module I and the communication module II are connected with each other through a serial bus. The system for controlling the spot lamp of the motor vehicle has the advantages of reducing the number of wire bundles and improving the control reliability.
Description
Technical field
The present invention relates to Vehicular lamp control technology field, specifically is a kind of Vehicular lamp control system, is applicable to the car light control of electro-tricycle, motor-tricycle and associated vehicle.
Background technology
Along with automobile-used electrical equipment is more and more, from the engine control to the driving system, control, from travel, braking, steering swivel system control, safety assurance system, instrument warning, and car light and car light control, make the self-propelled vehicle electric system form the big system of a complexity, and all concentrate on operator's compartment control.Comprehensive wiring and sharing of information to vehicle are had higher requirement alternately.From the angle of lay analysis, traditional electric system adopts point-to-point single communication mode mostly, and rare each other contact must cause huge wiring system like this, has aggravated the contradiction between the limited free space of thick wire harness and self-propelled vehicle amount.No matter from material cost or work efficiency, the traditional wiring method all can not adapt to the development of vehicle.
Country beam, passing light, left and right sides steering indicating light, fog lamp, driving lamp etc. generally are equipped with in the self-propelled vehicle front side, and vehicle rear-side generally is equipped with left and right sides steering indicating light, fog lamp, driving lamp, registration mark light, stoplight stop lamp and backing-up lamp etc.These lamps of self-propelled vehicle are applied in different operating modes and environment, and as in operating modes such as Vehicular turn, brakes, at environment such as rainy day, greasy weather, nights, car light affects the safety of vehicle ', and the outer personnel of car or other vehicles, therefore must be reliable.The power actuated vehicle bus transfer must guarantee following some: the transmission information safety; The logical one of signal obviously is different from logical zero; Asynchronous bus transmits data randomly; Has the ability that solves the bus access competition according to the information content; The functional addressing of bus and point-to-point addressing capability; Optimized transfer rate (baud rate); The trouble diagnosibility of node; Bus has certain expandability etc.The traditional mode of power actuated vehicle lamp system is to adopt hand switch control, i.e. also side lights behind the control vehicle of side lights before the control vehicle, and the control front car light, shorter because of circuit, control is reliable, and the wire harness cost is also low; The vehicle rear car light is far away because of the distance master cock, and back side lights kind is also more, and the wire harness number that leads to vehicle rear-side is many, so the wire harness cost is higher, and reliability is also had certain influence.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the invention provides a kind of Vehicular lamp control system, reduced the quantity of wire harness, improved the reliability of control.
The present invention realizes with following technical scheme: a kind of Vehicular lamp control system comprises a front car light control setup and back car light control setup; Described front car light control setup comprises a microcontroller I, with microcontroller I bonded assembly communication module I, with microcontroller I bonded assembly left-hand rotation light switch, right-hand rotation light switch, back-up lamp switch, braking signal switch, side-marker lamp's switch, registration mark light switch and fog lamp switch, with microcontroller I bonded assembly front car light actuator, with turn left before the front car light actuator bonded assembly lamp, preceding right-hand rotation lamp and preceding side-marker lamp, country beam, passing light and adverse-weather lamp directly are connected with its cooresponding switch; Described back car light control setup comprises the microcontroller II, with microcontroller II bonded assembly communication module II, with car light actuator behind the microcontroller II bonded assembly, with turn left behind the car light actuator bonded assembly of back lamp, back right-hand rotation lamp, backing-up lamp, stoplight stop lamp, registration mark light, back side-marker lamp, fog tail lamp and buzzer phone; Described communication module I is connected by universal serial bus with the communication module II.
Principle of work: the microcontroller I is accepted a plurality of on-off signals, the light on and off of side lamp just send by communication module I and communication module II control command the switch controlling signal of back side lights simultaneously before the control to the microcontroller II, after the microcontroller II receives the control signal that the microcontroller I sends, by the light on and off of back car light driver control vehicle rear-side car light.
The invention has the beneficial effects as follows: saved the wire harness cost greatly, improved the reliability of control; The practical bussing technique of developing engine motivation car amount has reduced installation and maintenance cost simultaneously.Enhance product performance and expand and level, reduce cost of product, improve product competitiveness.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a principle of the invention block diagram;
Fig. 2 is a front car light control setup circuit diagram;
Fig. 3 is a back car light control setup circuit diagram.
The specific embodiment
As shown in Figure 1, the Vehicular lamp control system is made up of front car light control setup and back car light control setup.Described front car light control setup comprises a microcontroller I, with microcontroller I bonded assembly communication module I, with microcontroller I bonded assembly left-hand rotation light switch, right-hand rotation light switch, back-up lamp switch, braking signal switch, side-marker lamp's switch, registration mark light switch and fog lamp switch, with microcontroller I bonded assembly front car light actuator, with turn left before the front car light actuator bonded assembly lamp, preceding right-hand rotation lamp and preceding side-marker lamp, country beam, passing light and adverse-weather lamp directly are connected with its cooresponding switch; Described back car light control setup comprises the microcontroller II, with microcontroller II bonded assembly communication module II, with car light actuator behind the microcontroller II bonded assembly, with turn left behind the car light actuator bonded assembly of back lamp, back right-hand rotation lamp, backing-up lamp, stoplight stop lamp, registration mark light, back side-marker lamp, fog tail lamp and buzzer phone; Described communication module I is connected by universal serial bus with the communication module II.
As shown in Figures 2 and 3, microcontroller I and microcontroller II all adopt PIC16F628A type micro controller system, because its pin is few, width is narrow, thereby can significantly dwindle the circuit card size, and system stability are also had certain positive impact.
The front car light actuator is made up of three metal-oxide-semiconductor driving circuits; Described metal-oxide-semiconductor driving circuit comprises an aerotron, and the base stage of aerotron is connected with the microcontroller I by resistance, is connected an electric capacity between base stage and the emitter, and collecting electrode is connected with the grid of metal-oxide-semiconductor, and the drain electrode of metal-oxide-semiconductor is connected with the lamp of being controlled.Described back car light actuator comprise one with microcontroller II bonded assembly actuator, with a plurality of metal-oxide-semiconductors of actuator bonded assembly.Actuator adopts Darlington transistor actuator ULN2806 to be used for the driven MOS pipe, and also available relay replaces metal-oxide-semiconductor.
Master cock: the applicable cases the present invention according to actual vehicle is provided with 9 car lamp control switchs, the end of light switch, right-hand rotation light switch, back-up lamp switch, braking signal switch, side-marker lamp's switch, registration mark light switch and fog lamp switch of wherein turning left is connected with the positive pole of vehicle power, the other end is connected with the P1 mouth of PIC16F628A micro controller system by the P3 interface among Fig. 2, and the signal of sending into the microcontroller I when each light switch is in " bright " position is high potential 12V; When switch is in " going out " position, the signal of sending into front control plate is 0V, for exterior high level 12V on-off signal is sent into the unlikely damage micro controller system of micro controller system, the design has adopted integrated circuit, this chip can be the 12V level conversion of sending into the Transistor-Transistor Logic level of 5V, sends into micro controller system by the P1 mouth P1.0～P1.6 pin of micro controller system at last.The light on and off of main furnace building light switch and its corresponding lamp of passing light switch direct control.
Communication module I and communication module II adopt the MAX487 chip, communication module I and communication module II have realized the signal transmission between microcontroller I and the microcontroller II, the master cock signal that the microcontroller I receives except control vehicle before the light on and off of side lamp, send corresponding signal simultaneously to the microcontroller II, and then side lights light on and off behind the control vehicle.In order to improve the reliability of communication, adopt the universal serial bus transmission between microcontroller I and the microcontroller II, and then improved the safety of vehicle.The data that hardware aspect sends from microcontroller I serial port change differential signal into through integrated circuit and transmit, identifying code and retransmission technique have been used in the software aspect, i.e. reliability of information transmission of Ti Gaoing, that also can avoid that extraneous interference causes simultaneously opens by mistake lamp or unexpected scintillation.
Power supply: vehicle power is reduced to DC5V to this DC12V by one 7,805 three end integrated stable voltage circuits, provides stable working power through 100uF and two capacitor filterings of 0.1uF for each device.
Claims (3)
1. a Vehicular lamp control system is characterized in that: comprise a front car light control setup and back car light control setup; Described front car light control setup comprises a microcontroller I, with microcontroller I bonded assembly communication module I, with microcontroller I bonded assembly left-hand rotation light switch, right-hand rotation light switch, back-up lamp switch, braking signal switch, side-marker lamp's switch, registration mark light switch and fog lamp switch, with microcontroller I bonded assembly front car light actuator, with turn left before the front car light actuator bonded assembly lamp, preceding right-hand rotation lamp and preceding side-marker lamp, country beam, passing light and adverse-weather lamp directly are connected with its cooresponding switch; Described back car light control setup comprises the microcontroller II, with microcontroller II bonded assembly communication module II, with car light actuator behind the microcontroller II bonded assembly, with turn left behind the car light actuator bonded assembly of back lamp, back right-hand rotation lamp, backing-up lamp, stoplight stop lamp, registration mark light, back side-marker lamp, fog tail lamp and buzzer phone; Described communication module I is connected by universal serial bus with the communication module II.
2. Vehicular lamp control system according to claim 1 is characterized in that: described front car light actuator is made up of three metal-oxide-semiconductor driving circuits; Described metal-oxide-semiconductor driving circuit comprises an aerotron, and the base stage of aerotron is connected with the microcontroller I by resistance, is connected an electric capacity between base stage and the emitter, and collecting electrode is connected with the grid of metal-oxide-semiconductor, and the drain electrode of metal-oxide-semiconductor is connected with the lamp of being controlled.
3. Vehicular lamp control system according to claim 1 is characterized in that: described back car light actuator comprise one with microcontroller II bonded assembly actuator, with a plurality of metal-oxide-semiconductors of actuator bonded assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101267105A CN102267416A (en) | 2011-05-17 | 2011-05-17 | System for controlling spot lamp of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101267105A CN102267416A (en) | 2011-05-17 | 2011-05-17 | System for controlling spot lamp of motor vehicle |
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| CN102267416A true CN102267416A (en) | 2011-12-07 |
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| CN2011101267105A Pending CN102267416A (en) | 2011-05-17 | 2011-05-17 | System for controlling spot lamp of motor vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144571A (en) * | 2012-11-29 | 2013-06-12 | 刘建军 | Bend lamp of vehicle |
| CN103448608A (en) * | 2013-09-08 | 2013-12-18 | 陆占平 | Full screen display device for automobile tail light |
| CN104386003A (en) * | 2014-10-20 | 2015-03-04 | 昆山博文照明科技有限公司 | Vehicle CAN (Controller Area Network) bus controller having functions of fault diagnosis and replacing of steering lamps |
| CN105792491A (en) * | 2014-12-16 | 2016-07-20 | 广东雪莱特光电科技股份有限公司 | H4 common-negative electrode decode circuit and H4 headlamp |
| CN107444252A (en) * | 2016-05-30 | 2017-12-08 | 陈财银 | A kind of motor turning light intelligent control system and method |
| CN110877566A (en) * | 2019-10-31 | 2020-03-13 | 亿匹马(上海)汽车贸易有限公司 | Automobile steering lamp system based on single chip microcomputer and control method thereof |
| CN112911775A (en) * | 2021-04-16 | 2021-06-04 | 徐州徐工汽车制造有限公司 | Vehicle light control system, control method thereof and vehicle light control device |
| WO2023082937A1 (en) * | 2021-11-12 | 2023-05-19 | 华域视觉科技(上海)有限公司 | Vehicle lamp module group, vehicle lamp, and vehicle |
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| CN1996923A (en) * | 2006-12-27 | 2007-07-11 | 哈尔滨工业大学 | LIN-bus based car lamp control system |
| CN101815382A (en) * | 2010-04-02 | 2010-08-25 | 上海小糸车灯有限公司 | Step-down constant current LED drive circuit for automobile lighting |
| CN101979260A (en) * | 2010-11-10 | 2011-02-23 | 力帆实业(集团)股份有限公司 | Control system and control method for combined taillight of automobile |
| CN102039837A (en) * | 2010-12-01 | 2011-05-04 | 北京航空航天大学 | Control device for intelligent lamp of an automobile with lamp warning sentences |
| CN202038222U (en) * | 2011-05-17 | 2011-11-16 | 毛鹏飞 | Vehicle light control device for motor vehicle |
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2011
- 2011-05-17 CN CN2011101267105A patent/CN102267416A/en active Pending
Patent Citations (5)
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| CN1996923A (en) * | 2006-12-27 | 2007-07-11 | 哈尔滨工业大学 | LIN-bus based car lamp control system |
| CN101815382A (en) * | 2010-04-02 | 2010-08-25 | 上海小糸车灯有限公司 | Step-down constant current LED drive circuit for automobile lighting |
| CN101979260A (en) * | 2010-11-10 | 2011-02-23 | 力帆实业(集团)股份有限公司 | Control system and control method for combined taillight of automobile |
| CN102039837A (en) * | 2010-12-01 | 2011-05-04 | 北京航空航天大学 | Control device for intelligent lamp of an automobile with lamp warning sentences |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144571A (en) * | 2012-11-29 | 2013-06-12 | 刘建军 | Bend lamp of vehicle |
| CN103448608A (en) * | 2013-09-08 | 2013-12-18 | 陆占平 | Full screen display device for automobile tail light |
| CN104386003A (en) * | 2014-10-20 | 2015-03-04 | 昆山博文照明科技有限公司 | Vehicle CAN (Controller Area Network) bus controller having functions of fault diagnosis and replacing of steering lamps |
| CN105792491A (en) * | 2014-12-16 | 2016-07-20 | 广东雪莱特光电科技股份有限公司 | H4 common-negative electrode decode circuit and H4 headlamp |
| CN107444252A (en) * | 2016-05-30 | 2017-12-08 | 陈财银 | A kind of motor turning light intelligent control system and method |
| CN110877566A (en) * | 2019-10-31 | 2020-03-13 | 亿匹马(上海)汽车贸易有限公司 | Automobile steering lamp system based on single chip microcomputer and control method thereof |
| CN112911775A (en) * | 2021-04-16 | 2021-06-04 | 徐州徐工汽车制造有限公司 | Vehicle light control system, control method thereof and vehicle light control device |
| WO2023082937A1 (en) * | 2021-11-12 | 2023-05-19 | 华域视觉科技(上海)有限公司 | Vehicle lamp module group, vehicle lamp, and vehicle |
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Application publication date: 20111207 |