CN102039837B - Control device for intelligent lamp of an automobile with lamp warning sentences - Google Patents
Control device for intelligent lamp of an automobile with lamp warning sentences Download PDFInfo
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- CN102039837B CN102039837B CN2010105680450A CN201010568045A CN102039837B CN 102039837 B CN102039837 B CN 102039837B CN 2010105680450 A CN2010105680450 A CN 2010105680450A CN 201010568045 A CN201010568045 A CN 201010568045A CN 102039837 B CN102039837 B CN 102039837B
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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
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Abstract
The invention discloses a control device for an intelligent lamp of an automobile with lamp warning sentences. The control device comprises a CAN (controller area network) bus interface circuit, a lamp warning state control circuit and a lamp warning state start-up circuit. The control device is connected with the CAN bus of an automobile through the CAN bus interface circuit; the lamp warning state start-up circuit is connected with a braking lamp, a steering lamp, a reversing lamp and a high-mounted braking lamp of the automobile; and the lamp warning state control circuit is used for receiving sensing information sent by the CAN bus through the CAN bus interface circuit to control the corresponding lamp warning sentences so that different lamp warning sentences appear on the tail part of the automobile under the related operation of a driver to provide lamp warning information for the following automobiles.
Description
Technical field
The present invention relates to the control setup of the different light of a kind of Control of Automobile car lamp display; More particularly say; Be meant a kind of can making automobile lamp (afterbody) demonstrate different lamps and show that language also provides the intelligent automotive light control setup of caution for the back car through automobile CAN-bus reception motoring condition information.
Background technology
There is engine management system (Engine Management System in modern automobile typical control system; Abbreviation EMS), electronic stability program of automobile (Electronic Stability Program; Abbreviation ESP), constant speed cruising system (Cruise Control Syetem; Abbreviation CCS), air bag system (SupplermentalRestraint System is called for short SRS), automatic air-conditioning system and automotive lighting and whistle control system etc.
In existing automotive lighting and whistle control system, when chaufeur was stepped on brake pedal, braking signal switch was closed, and then the braking taillight and the high-mount stop lamp of automobile light; When chaufeur was stirred turn signal swich, then steering indicating light is corresponding lighted; Hanging into reverse when chaufeur is back-up lamp switch when closed, and then backing-up lamp lights.Shown in Figure 1A, conventional automobile tail car light has at least " zero " to represent steering indicating light, " " representative braking taillight,
to represent backing-up lamp,
to represent high-mount stop lamp.The different lamp of representative that lights of different car lights shows language.
Two cars in the front and back of cruising, the afterbody lamp group of front truck can demonstrate the various signals lamp to the different operating of vehicle signal light switch according to chaufeur and light.But described lamp is controlled by the independent switch amount only, and quantity of information is single, can not the basic motoring condition of composite vehicle, and for back car chaufeur provides more comprehensively information.Simultaneously, said lamp has only two states of on and off, and the caution effect that provides is not good enough, the generation that can not avoid traffic accident effectively.At last, traditional lamp light control system adopts relay or the control of independent switch pattern more, and this makes that the interior wire harness of car is too much and wiring is complicated, can cause the serious electromagnetic interference of system, makes the reliability decrease of system.
Summary of the invention
The purpose of this invention is to provide a kind of automobile intelligent car light control setup that lamp shows language that has, this control setup is gathered motoring condition information through automobile CAN-bus, and shows that through lamp the state language instruction comes the motoring condition of reflection front truck comprehensively.Visual in image lamp shows that language is the information warning that back car chaufeur provides safety traffic.
A kind of automobile intelligent car light control setup that lamp shows language that has of the present invention, this control setup includes the CAN bus interface circuit, lamp shows that state control circuit and lamp show the state start-up circuit; This device is through the total wire joint of CAN of CAN bus interface circuit and automobile.
Throttle sensor output throttle opening signal F1 among the engine management system EMS gives the car light control setup;
Braking signal switch output stoplight stop lamp in automotive lighting and the whistle control system closes/closes signal F2 and gives the car light control setup;
Acceleration pick-up output acceleration signal F3 among the electronic stability program of automobile EPS gives the car light control setup;
Not under command light switch output not under command light in automotive lighting and the whistle control system closes/closes signal F4 and gives the car light control setup;
Steering wheel angle sensor outbound course dish angular signal F5 among the electronic stability program of automobile EPS gives the car light control setup;
Car speed sensor output GES F6 among the engine management system EMS gives the car light control setup;
Engine speed sensor output engine rotational speed signal F7 among the engine management system EMS gives the car light control setup;
Back-up lamp switch output backing-up lamp in automotive lighting and the whistle control system closes/closes signal F8 and gives the car light control setup.
The advantage of automobile intelligent car light control setup of the present invention is:
1. this Light Control Unit is not only gathered braking signal switch signal (F2), not under command light on-off signal (F4) and back-up lamp switch signal (F8) through automobile CAN-bus; Also gather throttle opening signal (F1), acceleration signal (F3), steering wheel angle signal (F5), GES (F6) and engine rotational speed signal (F7) simultaneously, and comprehensively judge nine kinds of states of running car: deceleration, acceleration, braking, emergency braking, turn to, emergency turn, reversing, fault, idling stop.Can more comprehensively react vehicle running state like this, and avoid ignoring and maloperation of chaufeur, with the generation that effectively avoids traffic accident.
2. this control setup shows that through more eye-catching lamp language such as different flicker, light flow, the light combination comes to provide for back car chaufeur the information warning of safety traffic, causes the attention of chaufeur more easily; Lamp shows language based on daily automobile signal light rule simultaneously, and is more visual in image, is easy to chaufeur study and understanding.
3. because this control setup has priority surely for each status command, so when being in two or above state simultaneously, can the conflict of generation state, and intuitively express through the mode that light makes up.
4. the basic motoring condition of this device ability composite vehicle is distinguished common braking and emergency braking, common turning to and the emergency turn state, for back car chaufeur provides more comprehensively safe early warning information.
Description of drawings
Fig. 1 is the connection diagram of conventional automobile lamp and CAN bus.
Figure 1A is the schematic layout pattern of conventional automobile tail car light.
Fig. 2 is the control structure figure between automobile lamp of the present invention and the multichannel transducing signal.
Fig. 2 A is that the lamp of car deceleration motoring condition shows the language scheme drawing
Fig. 2 B is that the lamp of car acceleration motoring condition shows the language scheme drawing
Fig. 2 C is that the lamp of automobile brake motoring condition shows the language scheme drawing
Fig. 2 D is that the lamp of automobile emergency braking motoring condition shows the language scheme drawing
Fig. 2 E is that automobile emergency turns to the lamp of motoring condition to show the language scheme drawing
Fig. 2 F is that the lamp of motor turning motoring condition shows the language scheme drawing
Fig. 2 G is that the lamp of reversing automobile motoring condition shows the language scheme drawing
Fig. 2 H is that the lamp of vehicle failure motoring condition shows the language scheme drawing
Fig. 2 J is that the lamp of auto idle speed parking motoring condition shows the language scheme drawing
Fig. 3 is the constructional drawing of car light control setup of the present invention.
Fig. 3 A is a CAN bus interface circuit schematic diagram among the present invention.
Fig. 3 B is that lamp shows the state control circuit schematic diagram among the present invention.
Fig. 3 C is the usb communication schematic circuit diagram.
Fig. 3 D is that the lamp of high-mount stop lamp shows language control circuit schematic diagram among the present invention.
Fig. 3 E is the switch circuit schematic diagram of brake lamp among the present invention, steering indicating light and backing-up lamp.
Fig. 3 F is the switch circuit schematic diagram of high-mount stop lamp among the present invention.
The specific embodiment
To combine accompanying drawing and embodiment that the present invention is done further detailed description below.
Automobile is realized communication through the CAN bus, and is as shown in Figure 1, among the figure:
Throttle sensor output throttle opening signal F1 among the engine management system EMS gives the car light control setup;
Braking signal switch output stoplight stop lamp in automotive lighting and the whistle control system closes/closes signal F2 and gives the car light control setup;
Acceleration pick-up output acceleration signal F3 among the electronic stability program of automobile EPS gives the car light control setup;
Not under command light switch output not under command light in automotive lighting and the whistle control system closes/closes signal F4 and gives the car light control setup;
Steering wheel angle sensor outbound course dish angular signal F5 among the electronic stability program of automobile EPS gives the car light control setup;
Car speed sensor output GES F6 among the engine management system EMS gives the car light control setup;
Engine speed sensor output engine rotational speed signal F7 among the engine management system EMS gives the car light control setup;
Back-up lamp switch output backing-up lamp in automotive lighting and the whistle control system closes/closes signal F8 and gives the car light control setup.
Referring to shown in Figure 2, above-mentioned F1, F2, F3, F4, F5, F6, F7 and F8 road signal show language with the lamp that four kinds of car lights (steering indicating light X, backing-up lamp D, braking taillight Z1 and high-mount stop lamp Z2) exist nine kinds of motoring conditions respectively.
First kind of lamp shows language: high-mount stop lamp Z2 both sides-centre-low frequency cycle flows
When Light Control Unit is received engine management system (Engine ManagementSystem through the CAN bus interface; Be called for short EMS) in the F1 signal be zero and be judged as and unclamp Das Gaspedal; Then Light Control Unit is judged vehicle and is in deceleration regime; Then high-mount stop lamp Z2 begins to flow (shown in Fig. 2 A) with the mode low frequency cycle of extinguishing successively to middle (cut-off rule) from both sides, finishes until moderating process.
Second kind of lamp shows language: in the middle of the high-mount stop lamp Z2-and both sides-low frequency cycle is mobile
When Light Control Unit is received engine management system (Engine ManagementSystem through the CAN bus interface; Abbreviation EMS) the F1 signal is that non-zero then is judged as the pedal of stepping on the throttle in; Then Light Control Unit is judged vehicle and is in acceleration mode; At this moment, high-mount stop lamp Z2 begins to finish until accelerator to flow (shown in Fig. 2 B) to the mode low frequency cycle that both sides light successively from middle (cut-off rule).
The third lamp shows language: high-mount stop lamp Z2 high frequency flicker lights after once
When Light Control Unit receives that through the CAN bus interface F2 signal receives the F3 signal simultaneously for stepping on brake pedal in automotive lighting and the whistle control system, and judge that the F3 signal value (is M
F3) more than or equal to thresholding (accekeration that acceleration pick-up collects, i.e. M
F3≤-8m/s
2) time, then Light Control Unit is judged vehicle and is in braking mode, and braking taillight Z1 lights, and high-mount stop lamp Z2 high frequency flicker lights (shown in Fig. 2 C) after once simultaneously, finishes until braking procedure.
The 4th kind of lamp shows language: light after the high-mount stop lamp Z2 high frequency flicker 4 times
When Light Control Unit receives that through the CAN bus interface F2 signal receives the F3 signal simultaneously for stepping on brake pedal in automotive lighting and the whistle control system, and judge that the F3 signal value (is M
F3) less than thresholding (accekeration that acceleration pick-up collects, i.e. M
F3＞-8m/s
2) time, then Light Control Unit is judged vehicle and is in emergency braking condition, and braking taillight Z1 lights, and lights (shown in Fig. 2 D) after the high-mount stop lamp Z2 high frequency flicker 4 times simultaneously, finishes until the emergency braking process.
The 5th kind of lamp shows language: high-mount stop lamp Z2 high frequency to the right circulates
When Light Control Unit receives F5 signal in the electronic stability program of automobile (ElectronicStability Program, abbreviation ESP) on the one hand through the CAN bus, and judge F5 signal value (M
F5) more than or equal to cireular frequency thresholding (magnitude of angular velocity that steering wheel angle sensor collects, i.e. M
F5>=1.2rad/s) time; While is the middle F6 signal of engine management system (Engine Management System is called for short EMS) on the other hand, and judges F6 signal value (M
F6) more than or equal to speed of a motor vehicle thresholding (vehicle speed value that car speed sensor collects, i.e. M
F6>=70km/s) time, then Light Control Unit is judged vehicle and is got into the emergency turn state, and steering indicating light X is corresponding to be lighted with two short one rectangular formulas flickers, and high-mount stop lamp Z2 begins to circulate to the steering direction high frequency simultaneously, finishes until the emergency turn process.Shown in Fig. 2 E, if steering indicating light X right-hand turning, then the right steering lamp is corresponding lights with two short one rectangular formulas flickers, and high-mount stop lamp Z2 begins to the right that high frequency circulates simultaneously.
The 6th kind of lamp shows language: high-mount stop lamp Z2 low frequency cycle to the right flows
When Light Control Unit receives F5 signal in the electronic stability program of automobile (ElectronicStability Program, abbreviation ESP) on the one hand through the CAN bus, and judge F5 signal value (M
F5) less than cireular frequency thresholding (magnitude of angular velocity that steering wheel angle sensor collects, i.e. M
F5＜1.2rad/s) time; Perhaps F6 signal in the engine management system (Engine Management System, be called for short EMS) on the other hand, and judge F6 signal value (M
F6) less than speed of a motor vehicle thresholding (vehicle speed value that car speed sensor collects, i.e. M
F6＜70km/s) time, then Light Control Unit is judged vehicle and is got into steering state, corresponding two glittering of steering indicating light X, and high-mount stop lamp Z2 begins to flow to the steering direction low frequency cycle simultaneously, finishes until steering procedure.Shown in Fig. 2 F, if steering indicating light X right-hand turning, then the right steering lamp is corresponding two glittering, and high-mount stop lamp begins to the right that low frequency cycle flows simultaneously.
The 7th kind of lamp shows language: the flicker of high-mount stop lamp Z2 intermediate frequency
When Light Control Unit is received F8 signal in automotive lighting and the whistle control system through the CAN bus interface; Be that vehicle is hung into reverse gear; Then Light Control Unit is judged vehicle and is in the reversing state; Backing-up lamp D lights, and high-mount stop lamp Z2 begins intermediate frequency flicker (shown in Fig. 2 G) simultaneously, finishes until reversing process.
The 8th kind of lamp shows language: high-mount stop lamp Z2 high frequency flicker
When Light Control Unit is received F4 signal in automotive lighting and the whistle control system through the CAN bus interface; Promptly press the failure warning lamp; Then Light Control Unit is judged vehicle and has been got into the failure warning state; Steering indicating light X is two to be dodged, and high-mount stop lamp Z2 begins high frequency flicker (shown in Fig. 2 H) simultaneously, finishes until failure process.
The 9th kind of lamp shows language: high-mount stop lamp Z2 low frequency flicker
When Light Control Unit is received F6 signal and F7 signal in the engine management system (Engine ManagementSystem, be called for short EMS) through the CAN bus interface, and judgement F7 signal value (M
F7) be not equal to zero, and F6 signal value (M
F6) equal zero, then Light Control Unit is judged vehicle and has been got into the idling dead ship condition, and then high-mount stop lamp Z2 begins low frequency flicker (shown in Fig. 2 J), finishes until the idling docking process.
Can make vehicle under different motoring conditions, show cooresponding lamp through automobile intelligent car light control setup of the present invention and show language.
Shown in Fig. 3, Fig. 3 A～Fig. 3 F, the present invention is a kind of automobile intelligent car light control setup that lamp shows language that has, and this control setup includes the CAN bus interface circuit, lamp shows that state control circuit and lamp show the state start-up circuit.This device is through the total wire joint of CAN of CAN bus interface circuit and automobile.
(1) CAN bus interface circuit
The main control chip SJA1000 chip that the CAN bus interface circuit adopts PHILIPS company to produce, i.e. U5 chip, this chip is a kind of independent control, the Local Area Network that generally is used for moving target and general industry environment is controlled.Simultaneously, the interface chip PCA82C250 chip that adopts PHILIPS company to produce, i.e. U6 chip.
Shown in Fig. 3 A, being connected to of each pin terminal on the U5 chip:
13 ends, 19 ends, 20 ends are connected with 1 end, 4 ends, 5 ends of U6 chip respectively;
9 ends are connected crystal oscillating circuit with 10 ends, and this crystal oscillating circuit is made up of crystal oscillator Y2, capacitor C 4 and capacitor C 5, the end of crystal oscillator Y2 ground connection after capacitor C 4, and the other end of crystal oscillator Y2 is ground connection after capacitor C 5;
8 ends, 21 ends, 15 end ground connection;
22 ends, 18 ends, 12 ends, 11 termination powers.
Being connected to of each pin terminal on the U6 chip:
2 end ground connection, 3 termination powers, 8 ends are through resistance R 3 ground connection;
6 ends are ground connection after resistance R 6 connects filter circuit, and this filter circuit is made up of with diode D3 capacitor C 7, i.e. 6 ends ground connection after resistance R 6, capacitor C 7, and 6 ends are ground connection behind resistance R 6, diode D3;
7 ends are ground connection after resistance R 4 connects filter circuit, and this filter circuit is made up of with diode D2 capacitor C 6, i.e. 7 ends ground connection after resistance R 4, capacitor C 6, and 7 ends are ground connection behind resistance R 4, diode D2;
Connect the CAN bus after 6 ends and 7 ends parallel connection, one resistance R 5.
In the present invention, utilize the total wire joint of CAN bus interface circuit and CAN, thereby realize receiving command string from the CAN bus, the mode control of showing for lamp provides command information.
(2) lamp shows state control circuit
Lamp shows the STC89C52 chip of state control circuit employing STC Corporation production as main control chip, i.e. the U1 chip.
Lamp shows that state control circuit passes through the usb communication circuit and upper computer (PC) is realized program burn writing.On U 1 chip, adopt the C language that lamp is shown that state language is written as command information.Lamp shows that status command information includes deceleration, acceleration, braking, emergency braking, turns to, nine kinds of states are stopped in emergency turn, reversing, fault, idling.The usb communication circuit adopts the CP2102 chip of PHILIPS company, i.e. U7 chip.
PC is a kind ofly can carry out the modernized intelligent electronic device of massive values computation and various information processings automatically, at high speed according to prior program stored.Minimalist configuration is CPU 2GHz, internal memory 2GB, hard disk 180GB; Operating system is windows 2000/2003/XP.
Shown in Fig. 3 B, being connected to of each pin terminal on the U1 chip:
40 ends, 41 ends, 42 ends, 43 ends, 44 ends, 1 end, 2 ends, 3 ends, 9 ends, 12 ends, 13 ends, 24 ends, 25 ends, 27 ends respectively with the U5 chip on 23 ends, 24 ends, 25 ends, 26 ends, 27 ends, 28 ends, 1 end, 2 ends, 16 ends, 6 ends, 5 ends, 17 ends, 4 ends, 3 ends be connected;
5 ends, 7 ends are connected with 25 ends, 26 ends of U7 chip respectively;
37 ends～30 ends are power connection (5V) behind resistor chain RP1; And 37 ends are connected with an end of resistance R 57, and 36 ends are connected with an end of resistance R 58, and 35 ends are connected with an end of resistance R 59; 33 ends are connected with 11 ends of U2 chip, U3 chip, U4 chip respectively; 32 ends are connected with 12 ends of U2 chip, U3 chip, U4 chip respectively, and 31 ends are connected with 14 ends of U2 chip, and 30 ends are connected with 10 ends of U2 chip, U3 chip, U4 chip respectively;
14 ends are connected crystal oscillating circuit with 15 ends, and this crystal oscillating circuit is made up of crystal oscillator Y1, capacitor C 2 and capacitor C 3, the end of crystal oscillator Y1 ground connection after capacitor C 2, and the other end of crystal oscillator Y1 is ground connection after capacitor C 3;
4 ends are power connection after capacitor C 1, and 4 ends are through resistance R 1 ground connection;
38 termination powers, 16 end ground connection.
Shown in Fig. 3 C, being connected to of each pin terminal on the U7 chip:
7 ends are through capacitor C 9 ground connection,
7 ends are with capacitor C 10 ground connection,
9 ends meet USB interface J3 through resistance R 37,
Be connected among 4 ends, 5 ends, 7 ends and 8 ends and the USB interface J3, thereby realize that PC carries out program burn writing to the U1 chip.
Each pin is conventional the setting on the U7 chip.
(3) lamp shows the state start-up circuit
Lamp shows that the state start-up circuit adopts the 74HC595 chip of PHILIPS company.This chip has 8 bit serial input and output or parallel Output Shift Register, and transposition frequency is 100MHz.This circuit has been chosen 3 74HC595 chip series connection controls, i.e. U2 chip, U3 chip and U4 chips.
Shown in Fig. 3, Fig. 3 D, Fig. 3 E, Fig. 3 F, being connected to of each pin on U2 chip, U3 chip and the U4 chip and brake lamp, backing-up lamp, steering indicating light and high-mount stop lamp on the automobile:
13 end ground connection on U2 chip, U3 chip and the U4 chip, 16 termination powers, 8 end ground connection;
9 ends of U2 chip are connected with 14 ends of U3 chip;
9 ends of U3 chip are connected with 14 ends of U4 chip;
15 ends on the U2 chip, 1 end～7 ends, 15 ends on the U3 chip, 1 end～7 ends are connected with the transistor switching circuit of high-mount stop lamp respectively with 15 ends, 1 end～7 ends on the U4 chip;
High-mount stop lamp on the automobile is to adopt the LED lamp to carry out arrayed to constitute, so each LED lamp will connect a transistor switching circuit; This transistor switching circuit is made up of two resistance and an aerotron; The base stage of aerotron is connected with one of them resistance; The other end of this resistance is connected with shift register; The collecting electrode of aerotron is connected with an end of another resistance, and the other end of this resistance is connected with the LED lamp, the emitter power connection of aerotron.
The H1 end is connected with an end of resistance R 7, and the other end of resistance R 7 is connected with the base stage of aerotron Q1, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 14, and the other end of resistance R 14 is connected with L1 LED lamp.The H2 end is connected with an end of resistance R 8, and the other end of resistance R 8 is connected with the base stage of aerotron Q2, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 16, and the other end of resistance R 16 is connected with L2 LED lamp.The H3 end is connected with an end of resistance R 9, and the other end of resistance R 9 is connected with the base stage of aerotron Q3, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 18, and the other end of resistance R 18 is connected with L3 LED lamp.The H4 end is connected with an end of resistance R 10, and the other end of resistance R 10 is connected with the base stage of aerotron Q4, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 20, and the other end of resistance R 20 is connected with L4 LED lamp.The H5 end is connected with an end of resistance R 11, and the other end of resistance R 11 is connected with the base stage of aerotron Q5, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 22, and the other end of resistance R 22 is connected with L5 LED lamp.The H6 end is connected with an end of resistance R 12, and the other end of resistance R 12 is connected with the base stage of aerotron Q6, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 24, and the other end of resistance R 24 is connected with L6 LED lamp.The H7 end is connected with an end of resistance R 13, and the other end of resistance R 13 is connected with the base stage of aerotron Q7, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 26, and the other end of resistance R 26 is connected with L7 LED lamp.The H8 end is connected with an end of resistance R 15, and the other end of resistance R 15 is connected with the base stage of aerotron Q8, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 28, and the other end of resistance R 28 is connected with L8 LED lamp.The H9 end is connected with an end of resistance R 17, and the other end of resistance R 17 is connected with the base stage of aerotron Q9, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 30, and the other end of resistance R 30 is connected with L9 LED lamp.The H10 end is connected with an end of resistance R 19, and the other end of resistance R 19 is connected with the base stage of aerotron Q10, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 32, and the other end of resistance R 32 is connected with L10 LED lamp.The H11 end is connected with an end of resistance R 21, and the other end of resistance R 21 is connected with the base stage of aerotron Q11, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 34, and the other end of resistance R 34 and L11 LED lamp are fitted and are connect.The H12 end is connected with an end of resistance R 23, and the other end of resistance R 23 is connected with the base stage of aerotron Q12, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 36, and the other end of resistance R 36 is connected with L12 LED lamp.The H13 end is connected with an end of resistance R 25, and the other end of resistance R 25 is connected with the base stage of aerotron Q13, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 40, and the other end of resistance R 40 is connected with L13 LED lamp.The H14 end is connected with an end of resistance R 27, and the other end of resistance R 27 is connected with the base stage of aerotron Q14, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 42, and the other end of resistance R 42 is connected with L14 LED lamp.The H15 end is connected with an end of resistance R 29, and the other end of resistance R 29 is connected with the base stage of aerotron Q15, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 44, and the other end of resistance R 44 is connected with L15 LED lamp.The H16 end is connected with an end of resistance R 31, and the other end of resistance R 31 is connected with the base stage of aerotron Q16, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 46, and the other end of resistance R 46 is connected with L16 LED lamp.The H17 end is connected with an end of resistance R 33, and the other end of resistance R 33 is connected with the base stage of aerotron Q17, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 48, and the other end of resistance R 48 is connected with L17 LED lamp.The H18 end is connected with an end of resistance R 35, and the other end of resistance R 35 is connected with the base stage of aerotron Q18, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 50, and the other end of resistance R 50 is connected with L18 LED lamp.The H19 end is connected with an end of resistance R 39, and the other end of resistance R 39 is connected with the base stage of aerotron Q19, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 51, and the other end of resistance R 51 is connected with L19 LED lamp.The H20 end is connected with an end of resistance R 41, and the other end of resistance R 41 is connected with the base stage of aerotron Q20, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 52, and the other end of resistance R 52 is connected with L20 LED lamp.The H21 end is connected with an end of resistance R 43, and the other end of resistance R 43 is connected with the base stage of aerotron Q21, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 53, and the other end of resistance R 53 is connected with L21 LED lamp.The H22 end is connected with an end of resistance R 45, and the other end of resistance R 45 is connected with the base stage of aerotron Q22, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 54, and the other end of resistance R 54 is connected with L22 LED lamp.The H23 end is connected with an end of resistance R 47, and the other end of resistance R 47 is connected with the base stage of aerotron Q23, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 55, and the other end of resistance R 55 is connected with L23 LED lamp.The H24 end is connected with an end of resistance R 49, and the other end of resistance R 49 is connected with the base stage of aerotron Q24, the emitter power connection of aerotron, and the collecting electrode of aerotron is connected with an end of resistance R 56, and the other end of resistance R 56 is connected with L24 LED lamp.
Be connected with a switch circuit respectively for the brake lamp on the automobile, steering indicating light and backing-up lamp; This switch circuit is made up of resistance, aerotron and relay; The base stage of aerotron is connected with resistance; The collecting electrode of aerotron is connected with an end of relay, and the other end of relay is connected the emitter power connection of aerotron with automobile lamp (brake lamp, steering indicating light and backing-up lamp).
The PO0 end of U1 chip is connected with an end of resistance R 57; The other end of resistance R 57 is connected with the base stage of aerotron Q25; The collecting electrode of aerotron Q25 is connected with an end of relay K 1, and the other end of relay K 1 is connected with brake lamp, the emitter power connection of aerotron Q25.
The PO1 end of U1 chip is connected with an end of resistance R 58; The other end of resistance R 58 is connected with the base stage of aerotron Q26; The collecting electrode of aerotron Q26 is connected with an end of relay K 2, and the other end of relay K 2 is connected with steering indicating light, the emitter power connection of aerotron Q26.
The PO2 end of U1 chip is connected with an end of resistance R 59; The other end of resistance R 59 is connected with the base stage of aerotron Q27; The collecting electrode of aerotron Q27 is connected with an end of relay K 3, and the other end of relay K 3 is connected with backing-up lamp, the emitter power connection of aerotron Q27.
In the present invention, consider that vehicle might get into two or more states simultaneously, can on high-mount stop lamp Z2, clash, so this lighting control module has been formulated priority of status through logic determines.Priority of status is fault state, reversing state, emergency braking condition, common braking mode, emergency turn state, common steering state, acceleration mode, deceleration regime, idling dead ship condition from high to low successively.
Claims (6)
1. one kind has the automobile intelligent car light control setup that lamp shows language, it is characterized in that: this control setup includes the CAN bus interface circuit, lamp shows that state control circuit and lamp show the state start-up circuit; This device is through the total wire joint of CAN of CAN bus interface circuit and automobile;
Throttle sensor output throttle opening signal F1 among the engine management system EMS gives the car light control setup;
Braking signal switch output stoplight stop lamp in automotive lighting and the whistle control system closes/closes signal F2 and gives the car light control setup;
Acceleration pick-up output acceleration signal F3 among the electronic stability program of automobile EPS gives the car light control setup;
Not under command light switch output not under command light in automotive lighting and the whistle control system closes/closes signal F4 and gives the car light control setup;
Steering wheel angle sensor outbound course dish angular signal F5 among the electronic stability program of automobile EPS gives the car light control setup;
Car speed sensor output GES F6 among the engine management system EMS gives the car light control setup;
Engine speed sensor output engine rotational speed signal F7 among the engine management system EMS gives the car light control setup;
Back-up lamp switch output backing-up lamp in automotive lighting and the whistle control system closes/closes signal F8 and gives the car light control setup;
Lamp shows that the lamp of storing in the state control circuit shows that status command information includes deceleration, acceleration, braking, emergency braking, turns to, nine kinds of states are stopped in emergency turn, reversing, fault, idling, and the car light control setup shows respectively that according to described F1, F2, F3, F4, F5, F6, F7 and F8 signal control high-mount stop lamp the lamp of nine kinds of states shows language.
2. according to claim 1 have an automobile intelligent car light control setup that lamp shows language, it is characterized in that: the main control chip SJA1000 chip that the CAN bus interface circuit adopts PHILIPS company to produce.
3. according to claim 1 have an automobile intelligent car light control setup that lamp shows language, it is characterized in that: lamp shows that state control circuit adopts STC89C52 chip that STC Corporation produces as main control chip.
4. according to claim 1 have an automobile intelligent car light control setup that lamp shows language, it is characterized in that: lamp shows that the state start-up circuit adopts the 74HC595 chip of PHILIPS company.
5. according to claim 1 have an automobile intelligent car light control setup that lamp shows language; It is characterized in that: be connected with a switch circuit respectively for the brake lamp on the automobile, steering indicating light and backing-up lamp; This switch circuit is made up of resistance, aerotron and relay, and the base stage of aerotron is connected with resistance, and the collecting electrode of aerotron is connected with an end of relay; The other end of relay is connected the emitter power connection of aerotron with brake lamp, steering indicating light and backing-up lamp on the automobile.
6. according to claim 1 have an automobile intelligent car light control setup that lamp shows language, and it is characterized in that: the lamp of said nine kinds of states shows that language is:
When vehicle was in deceleration regime, high-mount stop lamp flowed with the mode low frequency cycle of extinguishing successively to the centre from both sides;
When vehicle was in acceleration mode, high-mount stop lamp flowed with the mode low frequency cycle that lights successively to both sides from the centre;
When vehicle was in braking mode, the braking taillight lighted, and simultaneously the high-mount stop lamp high frequency flicker lights after once;
When vehicle was in emergency braking condition, the braking taillight lighted, and lighted after the high-mount stop lamp high frequency flicker 4 times simultaneously;
When vehicle was in the emergency turn state, steering indicating light is corresponding to be lighted with two short one rectangular formula flickers, and high-mount stop lamp begins to circulate to the steering direction high frequency simultaneously;
When vehicle is in steering state, corresponding two glittering of steering indicating light, high-mount stop lamp begins to flow to the steering direction low frequency cycle simultaneously;
When vehicle was in the reversing state, backing-up lamp lighted, and high-mount stop lamp begins the intermediate frequency flicker simultaneously;
When vehicle was in the failure warning state, steering indicating light is two to be dodged, and high-mount stop lamp begins high frequency flicker simultaneously;
When vehicle was in the idling dead ship condition, high-mount stop lamp began low frequency flicker.
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| CN2010105680450A CN102039837B (en) | 2010-12-01 | 2010-12-01 | Control device for intelligent lamp of an automobile with lamp warning sentences |
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| CN2010105680450A CN102039837B (en) | 2010-12-01 | 2010-12-01 | Control device for intelligent lamp of an automobile with lamp warning sentences |
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| CN102039837B true CN102039837B (en) | 2012-12-19 |
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| CN102267416A (en) * | 2011-05-17 | 2011-12-07 | 毛鹏飞 | System for controlling spot lamp of motor vehicle |
| KR101339228B1 (en) * | 2011-12-07 | 2014-01-02 | 현대자동차 주식회사 | Brake signal controling system for vehicle and method thereof |
| CN103223900B (en) * | 2013-04-09 | 2015-12-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile brake signal lamp control system and control method |
| CN105459884B (en) * | 2014-09-09 | 2017-08-25 | 瑞安市鸿源汽车部件有限公司 | A kind of automobile lamp intelligent controlling device |
| CN104764589A (en) * | 2015-04-21 | 2015-07-08 | 奇瑞汽车股份有限公司 | Test platform and test method of automobile lamplight system |
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| CN108944654A (en) * | 2018-08-01 | 2018-12-07 | 杨志超 | A kind of automobile tail light brake degree display control program |
| CN112339656B (en) * | 2020-11-10 | 2023-02-21 | 南昌智能新能源汽车研究院 | Control method for multi-module triggering of vehicle high-mount stop lamp |
| CN113119854A (en) * | 2021-05-28 | 2021-07-16 | 苏州诺雅电动车有限公司 | Cruise tail lamp of automobile |
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| JP3276178B2 (en) * | 1992-10-30 | 2002-04-22 | 旭光学工業株式会社 | Light source device for endoscope |
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| CN101434216A (en) * | 2008-12-30 | 2009-05-20 | 北京航空航天大学 | Automobile safety tail lamp control device with lamp light language |
| CN202022138U (en) * | 2010-12-01 | 2011-11-02 | 北京航空航天大学 | Intelligent vehicle lamp control device with lamp signals |
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| TWI623452B (en) * | 2017-03-03 | 2018-05-11 | 三陽工業股份有限公司 | Judgment method of warning for emergency braking and direction changing |
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