CN208951995U - A kind of turn signal emergency system - Google Patents

A kind of turn signal emergency system Download PDF

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Publication number
CN208951995U
CN208951995U CN201821975268.7U CN201821975268U CN208951995U CN 208951995 U CN208951995 U CN 208951995U CN 201821975268 U CN201821975268 U CN 201821975268U CN 208951995 U CN208951995 U CN 208951995U
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China
Prior art keywords
triode
resistance
diode
light source
light
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CN201821975268.7U
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Chinese (zh)
Inventor
李军超
解哲
王学东
赵冰冰
韩冰玉
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CH Auto Technology Co Ltd
Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
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Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
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Abstract

The utility model discloses a kind of turn signal emergency systems, it include light-strip and the light source positioned at light-strip incidence end, light-strip includes two or more incidence ends and an exit end, each incidence end is connected to exit end, each incidence end of the light-strip is equipped with an independent light source, and one of light source is as main steering lamp source, remaining light source is as spare steering lamp source, each light source encapsulates in the circuit board, and the back side of wiring board is equipped with radiator;The main steering lamp source is connect with fault self-diagnosis module, and the signal input part of the signal output end access car body controller of fault self-diagnosis module, the signal output end control of car body controller connects each light source, vehicular meter and loudspeaker.In main turn signal light source fails, lamp system is turned to by enabling spare emergency, promotes the performance of safe driving of vehicle.

Description

A kind of turn signal emergency system
Technical field
The utility model relates to automobile manufacturing fields, and in particular to a kind of turn signal emergency system.
Background technique
China's automobile industry rapidly develops in recent years, and safety is paid close attention to by people.Turning to instruction system is vehicle safety row Important a part in vehicle, the life security of relationship driver and passenger;Conventional lamp is implemented in combination with steering using LED and light-strip Lamp, light-strip end is as light source incidence end, and when end light source fails, turn signal does not work, entire turn signal failure, at certain A little moment easily lead to safety accident.
Utility model content
The utility model provides a kind of turn signal emergency system, when main turn signal light source fails, spare turn signal Light source igniting plays emergencing action, and safety accident caused by solving traveling don't know caused by turn signal failure really increases hidden The problem of suffering from.
The technical solution adopted in the utility model is:
A kind of turn signal emergency system includes light-strip and the light source positioned at light-strip incidence end, feature Be: the light-strip includes two or more incidence ends and an exit end, and each incidence end is connected to exit end, Each incidence end of the light-strip is equipped with an independent light source, one of light source as main steering lamp source, remaining Light source encapsulates in the circuit board as spare steering lamp source, each light source, and the back side of wiring board is equipped with radiator;Institute Main steering lamp source is stated to connect with fault self-diagnosis module, the signal output end access car body controller of fault self-diagnosis module The signal output end control of signal input part, car body controller connects each light source, vehicular meter and loudspeaker.
A kind of turn signal emergency system, it is characterised in that: there are four the fault self-diagnosis module includes Triode Q1-Q4, five diode D1-D5, seven resistance R1-R7, a capacitor C1, the collector of triode Q1 and main steering One end connection of lamp source, resistance R3, the emitter of triode Q1 are connect with one end of resistance R2, the base stage of triode Q1 and two One end connection of the anode of pole pipe D2, one end of capacitor C1, resistance R1, diode D3 connect with diode D2, and resistance R3's is another One end is connect with the base stage of triode Q2, and the collector of triode Q2 is connect with one end of resistance R4, resistance R5, and resistance R5's is another The base stage of one end connecting triode Q3, one end of the collector connection resistance R6 of triode Q3, the emitter connection of triode Q3 The base stage of the anode of diode D4, triode Q4, diode D5 connect with diode D4, and the collector connection of triode Q4 is spare Turn to lamp source, one end of the emitter connection resistance R7 of triode Q4;The main steering lamp source, resistance R1, resistance R4, electricity Resistance R6, the other end, spare steering lamp source are all connected with power supply, and power import connects anti-reverse diode D1;The capacitor C1, Resistance R2, resistance R7, diode D3, diode D5 the other end be grounded.
A kind of turn signal emergency system, it is characterised in that: the model BCP56 of described triode Q1, Q4, The model 2N3390 or 2N9013 of triode Q2, Q3.
The control principle of the utility model is:
Under normal condition, when turn signal is opened, main steering lamp source is only lighted;When the main steering of fault self-diagnosis modular diagnostic When lamp source is normal, spare steering lamp source is not lighted, and sends low level signal, car body controller to car body controller (BCM) (BCM) turn signal is lighted normally with 1.5Hz frequency, normal signal is sent to CAN network, vehicular meter etc. reads CAN network Signal carries out displayed turn indicator light state and loudspeaker issues the normally-open auditory tone cues sound of turn signal;
When the main turn signal light source fails of fault self-diagnosis modular diagnostic, spare steering lamp source is lighted automatically, is given simultaneously Car body controller (BCM) sends high level signal;Car body controller (BCM) will turn to modulation frequency adjustment after receiving high level signal For 4Hz, while fault-signal is sent to CAN network, vehicular meter etc. reads CAN network signal and carries out displayed turn indicator light shape State, the prompt of main turn signal light source failure and loudspeaker issue turn signal failure sound prompting sound (mainly open and close prompting sound Voice frequency variation).
The working principle of the fault self-diagnosis module of the utility model is:
Diode D1 plays anti-reverse effect;Resistance R1 cooperates as divider resistance and diode D2, D3, plays benchmark electricity Pressure effect;Capacitor C1 is played a filtering role;Triode Q1, Q4 play constant current respectively;
When main steering lamp source is normal, triode Q2 conducting, line voltage signal about 0.7V;When main steering lamp source exists When disconnection, triode Q2 is not turned on, and line voltage signal is commonly defined as being greater than 9V being fault-signal close to supply voltage;Failure Voltage signal is by the voltage change between detection resistance R4 and triode Q2;
When main steering lamp source is normal, triode Q3 is connected, and voltage about 0.7V is equivalent to short to spare steering lamp source Road is not enough to light steering lamp source;
When main turn signal light source failure, triode Q3 is not turned on, and spare steering lamp source both end voltage can be lighted standby With steering lamp source.
The utility model has the advantages that:
1) in main turn signal light source fails, lamp system is turned to by enabling spare emergency, realization shows that vehicle driving is anticipated To mode;
2) in main turn signal light source fails, lamp system is turned to for warning other people Vehicular turns by enabling spare emergency Lamp is in malfunction;
3) multiple incidence ends are arranged by light-strip, realize the mode of arrangement standby power source, reduce scheme implementation cost;
4) it by multiple spot arrangement, avoids the i.e. entire lamp of local light source failure from completely losing function, reduces safety accident Probability of happening.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the light-strip of the utility model.
Fig. 2 is the principles of the present invention block diagram.
Fig. 3 is the circuit diagram of fault self-diagnosis module.
Specific embodiment
As shown in Figure 1, 2, a kind of turn signal emergency system, include light-strip 1 and be located at light-strip incidence end Light source, light-strip 1 includes there are two incidence end 2,3 and an exit end 4, and each incidence end 2,3 is connected to exit end 4, Each incidence end 2,3 of the light-strip 1 is equipped with an independent light source 5,6, and one of light source 5 is used as main steering light Source, another light source 6 are used as spare steering lamp source, and each light source 5,6 encapsulates in assist side 7, the back of wiring board 7 Face is equipped with radiator 8;Main steering lamp source 5 is connect with fault self-diagnosis module 9, the signal output end of fault self-diagnosis module 9 The signal input part of car body controller 10 is accessed, the signal output end control of car body controller 10 connects each light source 5,6, vehicle Instrument 11 and loudspeaker 12.
As shown in figure 3, fault self-diagnosis module includes that there are four triode Q1-Q4, five diode D1-D5, seven electricity R1-R7, a capacitor C1 are hindered, the collector of triode Q1 is connect with one end of main steering lamp source, resistance R3, triode Q1's Emitter is connect with one end of resistance R2, the base stage of triode Q1 and the anode of diode D2, one end of capacitor C1, resistance R1 One end connection, diode D3 connect with diode D2, and the other end of resistance R3 is connect with the base stage of triode Q2, triode Q2's Collector is connect with one end of resistance R4, resistance R5, the base stage of the other end connecting triode Q3 of resistance R5, the collection of triode Q3 Electrode connects one end of resistance R6, and the emitter of triode Q3 connects the base stage of the anode of diode D4, triode Q4, diode D5 connects with diode D4, and the collector of triode Q4 connects spare steering lamp source, and the emitter of triode Q4 connects resistance One end of R7;The main steering lamp source, resistance R1, resistance R4, resistance R6, the other end, spare steering lamp source are all connected with Power supply, power import connect anti-reverse diode D1;The capacitor C1, resistance R2, resistance R7, diode D3, diode D5 The other end is grounded.
Reference the model 2N3390 or 2N9013 of reference the model BCP56, triode Q2, Q3 of triode Q1, Q4.
Diode D1 plays anti-reverse effect;Resistance R1 cooperates as divider resistance and diode D2, D3, plays benchmark electricity Pressure effect;Capacitor C1 is played a filtering role;Triode Q1, Q4 play constant current respectively;
When main steering lamp source is normal, triode Q2 conducting, line voltage signal about 0.7V;When main steering lamp source exists When disconnection, triode Q2 is not turned on, and line voltage signal is commonly defined as being greater than 9V being fault-signal close to supply voltage;Failure Voltage signal is changed by the voltage signal between detection resistance R4 and triode Q2;
When main steering lamp source is normal, triode Q3 is connected, and voltage about 0.7V is equivalent to short to spare steering lamp source Road is not enough to light steering lamp source;
When main turn signal light source failure, triode Q3 is not turned on, and spare steering lamp source both end voltage can be lighted standby With steering lamp source.

Claims (3)

1. a kind of turn signal emergency system includes that light-strip and the light source positioned at light-strip incidence end, feature exist In: the light-strip includes two or more incidence ends and an exit end, and each incidence end is connected to exit end, institute The each incidence end for stating light-strip is equipped with an independent light source, and one of light source is as main steering lamp source, remaining light Source encapsulates in the circuit board as spare steering lamp source, each light source, and the back side of wiring board is equipped with radiator;It is described Main steering lamp source is connect with fault self-diagnosis module, the letter of the signal output end access car body controller of fault self-diagnosis module The signal output end control of number input terminal, car body controller connects each light source, vehicular meter and loudspeaker.
2. a kind of turn signal emergency system according to claim 1, it is characterised in that: the fault self-diagnosis module Including there are four triode Q1-Q4, five diode D1-D5, seven resistance R1-R7, a capacitor C1, the current collections of triode Q1 Pole is connect with one end of main steering lamp source, resistance R3, and the emitter of triode Q1 is connect with one end of resistance R2, triode Q1 Base stage connect with one end of the anode of diode D2, one end of capacitor C1, resistance R1, diode D3 connects with diode D2, The other end of resistance R3 is connect with the base stage of triode Q2, and the collector of triode Q2 is connect with one end of resistance R4, resistance R5, The base stage of the other end connecting triode Q3 of resistance R5, one end of the collector connection resistance R6 of triode Q3, triode Q3's Emitter connects the base stage of the anode of diode D4, triode Q4, and diode D5 connects with diode D4, the current collection of triode Q4 Pole connects spare steering lamp source, one end of the emitter connection resistance R7 of triode Q4;The main steering lamp source, resistance R1, resistance R4, resistance R6, the other end, spare steering lamp source are all connected with power supply, and power import connects anti-reverse diode D1;The capacitor C1, resistance R2, resistance R7, diode D3, diode D5 the other end be grounded.
3. a kind of turn signal emergency system according to claim 2, it is characterised in that: described triode Q1, Q4's The model 2N3390 or 2N9013 of model BCP56, triode Q2, Q3.
CN201821975268.7U 2018-11-28 2018-11-28 A kind of turn signal emergency system Active CN208951995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821975268.7U CN208951995U (en) 2018-11-28 2018-11-28 A kind of turn signal emergency system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821975268.7U CN208951995U (en) 2018-11-28 2018-11-28 A kind of turn signal emergency system

Publications (1)

Publication Number Publication Date
CN208951995U true CN208951995U (en) 2019-06-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821975268.7U Active CN208951995U (en) 2018-11-28 2018-11-28 A kind of turn signal emergency system

Country Status (1)

Country Link
CN (1) CN208951995U (en)

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