CN208559168U - Automobile daytime driving lamp and turn signal common drive switching circuit - Google Patents
Automobile daytime driving lamp and turn signal common drive switching circuit Download PDFInfo
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Abstract
The utility model relates to auto lamp actuation techniques fields, more particularly to a kind of automobile daytime driving lamp and turn signal common drive switching circuit, including interface circuit, input rectifying filter circuit, power driving control circuit, turn to circuit for lamp, daytime running lamps circuit；Interface circuit be used for access daytime running lamps, turn signal power control signal, system ground；Input rectifying filter circuit includes rectification unit and filter unit；Power driving control circuit PWM generator, switch unit and output filter unit；Turning to circuit for lamp includes turn signal LED light group and its drive control circuit；Daytime running lamps circuit includes daytime running lamps LED light group and its drive control circuit；By daytime running lamps power driving control circuit and turn signal power driving control circuit integration in a circuit, daytime running lamps and turn signal use respective driving for this case, will not interfere with each other influence；Based on the drive circuit board of this structure, occupied space is installed and is reduced, and installation effectiveness and production efficiency are also improved.
Description
Technical field
The utility model relates to auto lamp actuation techniques field more particularly to a kind of automobile daytime driving lamp and turn signal are total
With driving switching circuit.
Background technique
Automobile lamp generally comprises daytime running lamps, turn signal and front fog lamp etc..The car light drive system one of existing automobile
As by the way of separated design, separating making sheet, i.e., daytime running lamps have daytime running lamps driving plate, turn signal to have turn signal drive
Movable plate, and in each driving plate include power driving control and lamp drive control two parts, daytime running lamps driving plate and turn
To respectively independent between lamp driving plate, this allows for car body and needs biggish space to install different car light driving plates,
It is unfavorable for the efficient utilization of automotive control system installation space, while also increases installation complexity.
Utility model content
For the problems of the prior art, the utility model provides a kind of automobile daytime driving lamp and turn signal common drive
Switching circuit.
To realize the above technical purpose, the technical solution of the utility model is:
A kind of automobile daytime driving lamp and turn signal common drive switching circuit, including interface circuit, input rectifying filter
Circuit, turns to circuit for lamp, daytime running lamps circuit at power driving control circuit；The interface circuit is for accessing automobile control
The ground of the daytime running lamps power control signal of system, turn signal power control signal and system；The input rectifying filtered electrical
Road includes 2 rectification units and filter unit, and 2 rectification units are respectively used to the daytime running lamps power supply control to access
Signal, turn signal power control signal are rectified, and the filter unit is used to control the daytime running lamps power supply after rectification
Turn signal power control signal after signal and/or rectification is filtered；The power driving control circuit includes PWM
Device, switch unit and output filter unit, the PWM generator are used to access the output signal of filter unit and are converted into PWM
Signal is controlled, pwm control signal is converted into turn signal driving control signal and/or day after switch unit, output filter unit
Between driving lamp driving control signal；The steering circuit for lamp includes turn signal LED light group and its drive control circuit, drive control
Circuit is for accessing turn signal driving control signal；The daytime running lamps circuit includes daytime running lamps LED light group and its drive
Dynamic control circuit, drive control circuit is for accessing daytime running lamps driving control signal.
Preferably, the interface circuit includes connecting terminal, the connecting terminal have first interface, second interface,
Third interface, the first interface access daytime running lamps power control signal, and the second interface accesses the control of turn signal power supply
Signal processed, the ground of the third interface access system；
The current rectifying and wave filtering circuit include resistance R1, resistance R8, capacitor C2, capacitor C4, capacitor C5, capacitor C6, capacitor C7,
Capacitor C8, capacitor C9, capacitor C12, inductance L1, diode D1, diode D2 and Transient Suppression Diode TV1；The resistance R1
One end connect respectively with one end of capacitor C2, the anode of diode D1, first interface, the other end and capacitor of the capacitor C2
One end of C8 connects, the cathode of the diode D1 respectively with the cathode of diode D2, Transient Suppression Diode TV1 one end,
One end of capacitor C4, one end of capacitor C5, inductance L1 one end connection, the diode D2 anode respectively with resistance R8 one
End, one end of capacitor C9, second interface connection, the other end of the capacitor C9 are connect with one end of capacitor C12, the inductance L1
The other end connect respectively with one end of one end of capacitor C6, capacitor C7 and as VIN signal end, the resistance R1's is another
End, the other end of capacitor C8, the other end of Transient Suppression Diode TV1, the other end of capacitor C4, the other end of capacitor C5, electricity
Hold the other end of C6, the other end of capacitor C7, the other end of resistance R8, capacitor C12 the other end be grounded；
The power driving control circuit includes driving chip U1, resistance R2, resistance R3, resistance R4, resistance R5, resistance
R6, resistance R7, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R16, resistance R18, capacitor C1, capacitor
C3, capacitor C10, capacitor C11, capacitor C13, capacitor C14, capacitor C15, capacitor C16, capacitor C17, capacitor C18, capacitor C19, electricity
Hold C20, capacitor C21, capacitor C22, capacitor C23, capacitor C24, capacitor C25, capacitor C26, capacitor C27, capacitor C28, capacitor
C29, capacitor C30, capacitor C31, capacitor C32, capacitor C33, capacitor C34, capacitor C35, capacitor C36, inductance L2, diode D3,
Diode D4, metal-oxide-semiconductor Q1, magnetic bead FB1, magnetic bead FB2 and magnetic bead FB3；The COMP pin of the driving chip U1 respectively with resistance
One end connection of one end of R2, capacitor C3, the other end of the resistance R2 are connect with one end of capacitor C1, OVFB pin respectively with
One end connection of one end of resistance R7, one end of resistance R12, capacitor C10, FREQ pin are connect with one end of resistance R5, and EN draws
Foot is connect with one end of resistance R9, and IN pin connects with one end of the other end of resistance R9, one end of resistance R11, capacitor C18 respectively
Connect, FBL pin respectively with the other end of resistance R12, one end of resistance R13, one end of resistance R16, one end of capacitor C24, electricity
Hold one end of C25, one end of capacitor C26, one end of capacitor C27, one end of magnetic bead FB3, one end of capacitor C31, capacitor C32
One end connection, FBH pin respectively with the other end of resistance R13, the other end of resistance R16, one end of capacitor C35, capacitor C36
One end, magnetic bead FB2 one end connection, SWCS pin respectively with one end of resistance R3, one end of resistance R4, metal-oxide-semiconductor Q1 source electrode
Connection, SWO pin are connect with the cathode of one end of resistance R10, diode D3 respectively, and one end of IVCC pin and capacitor C19 connect
It connects, the other end of the resistance R10 is connect with the anode of one end of capacitor C11, the grid of metal-oxide-semiconductor Q1, diode D3 respectively, institute
State metal-oxide-semiconductor Q1 drain electrode respectively with one end of capacitor C13, one end of inductance L2, diode D4 anode, one end of capacitor C30
Connection, the other end of the capacitor C13 are connect with one end of resistance R6, and the cathode of the diode D4 is respectively with resistance R18's
The other end connection of one end, magnetic bead FB2, the other end of the resistance R18 are connect with the other end of capacitor C30, the magnetic bead FB1
One end connect and conduct with one end of one end of capacitor C22, one end of capacitor C23, one end of capacitor C28, capacitor C29 respectively
LED- signal end, the other end of the magnetic bead FB3 respectively with the other end of capacitor C28, the other end of capacitor C29, capacitor C33
One end, capacitor C34 one end connection and as LED+ signal end, the other end of the resistance R11, one end of capacitor C14, capacitor
One end of C15, one end of capacitor C16, one end of capacitor C17, the other end of inductance L2, one end of capacitor C20, capacitor C21
One end, the other end of capacitor C24, the other end of capacitor C25, the other end of capacitor C26, the other end of capacitor C27, magnetic bead FB1
The other end connect with VIN signal end, the other end, the other end of resistance R4, the other end of resistance R5, the electricity of the resistance R3
Hinder the other end of R6, the other end of resistance R7, the other end of capacitor C1, the other end of capacitor C3, the other end of capacitor C10, electricity
Hold the other end of C11, the other end of capacitor C14, the other end of capacitor C15, the other end of capacitor C16, capacitor C17 it is another
End, the other end of capacitor C18, the other end of capacitor C19, the other end of capacitor C20, the other end of capacitor C21, capacitor C22
The other end, the other end of capacitor C23, the other end of capacitor C31, the other end of capacitor C32, the other end of capacitor C33, capacitor
The other end of C34, the other end of capacitor C35, the other end of capacitor C36, driving chip U1 heat dissipation bonding pad, GND pin, SGND
Pin is grounded；
The steering circuit for lamp includes resistance R27, resistance R28, resistance R29, resistance R30, capacitor C41, capacitor C42, two
Pole pipe D6, voltage-stabiliser tube ZD1, metal-oxide-semiconductor Q4, triode Q5 and turn signal LED light group；One end of the resistance R27, capacitor C41
One end, the cathode of voltage-stabiliser tube ZD1, metal-oxide-semiconductor Q4 source electrode connect with LED+ signal end, the drain electrode and steering of the metal-oxide-semiconductor Q4
Lamp LED light group anode connection, grid respectively with the other end of resistance R27, the other end of capacitor C41, voltage-stabiliser tube ZD1 just
One end connection of pole, resistance R28, the other end of the resistance R28 are connect with the collector of triode Q5, the triode Q5's
Base stage is connect with one end of one end of resistance R29, one end of capacitor C42, resistance R30 respectively, the other end of the resistance R29 with
The cathode of diode D6 connects, and the anode of the diode D6 is connect with turn signal control signal output, the turn signal LED
The cathode of lamp group is connect with LED- signal end, the emitter of the triode Q5, the other end of capacitor C42, resistance R30 it is another
End is grounded；
The daytime running lamps circuit includes resistance R31, resistance R32, resistance R33, resistance R34, capacitor C43, capacitor
C44, diode D7, voltage-stabiliser tube ZD2, metal-oxide-semiconductor Q6, triode Q7 and daytime running lamps LED light group；One end of the resistance R31,
One end of capacitor C43, the cathode of voltage-stabiliser tube ZD2, metal-oxide-semiconductor Q6 source electrode connect with LED+ signal end, the leakage of the metal-oxide-semiconductor Q6
The anode of pole and daytime running lamps LED light group connect, grid respectively with the other end of resistance R31, the other end of capacitor C43, surely
One end connection of the anode, resistance R32 of pressure pipe ZD2, the other end of the resistance R32 are connect with the collector of triode Q7, institute
The base stage for stating triode Q7 is connect with one end of one end of resistance R33, one end of capacitor C44, resistance R34 respectively, the resistance
The other end of R33 is connect with the cathode of diode D7, anode and the daytime running lamps control signal output of the diode D7
Connection, the cathode of the daytime running lamps LED light group are connect with LED- signal end, emitter, the capacitor C44 of the triode Q7
The other end, resistance R34 the other end be grounded.
As an improvement, further include the turn signal circuit for detecting whether worked normally for detecting turn signal, it is correspondingly described
Connecting terminal further includes the 4th interface for detection signal to be fed back to automotive control system, the turn signal circuit for detecting packet
Include resistance R35, resistance R36, resistance R37, resistance R38, capacitor C45, capacitor C46, capacitor C47 and triode Q8, the resistance
One end of R35, one end of capacitor C45 are connect with the ST pin of driving chip U1, the other end of the resistance R35 respectively with electricity
Hold the base stage connection of one end of C46, triode Q8, the collector of the triode Q8 respectively with one end of resistance R37, resistance
One end of R38 connects, the other end of the resistance R37 respectively with the other end of resistance R38, one end of resistance R36, capacitor C47
One end, the 4th interface connection, the other end, the other end of capacitor C46, the emitter of triode Q8, the resistance of the capacitor C45
The other end of R36, the other end of capacitor C47 are grounded.
As an improvement, further including the frequency circuit of trembling for adjusting driving chip U1 working frequency, the frequency circuit of trembling includes
Resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, capacitor C38, capacitor C39, capacitor C40, three poles
One end of pipe Q2 and compound transistor Q3, the resistance R23, one end of resistance R24, one end of resistance R25, resistance R26 one
End connect with the IVCC pin of driving chip U1, the other end of the resistance R23 respectively with one end of capacitor C38, compound three
The third pin of pole pipe Q3 connects, the other end of the resistance R24 respectively with the other end of capacitor C38, compound transistor Q3
Second pin connection, the other end of the resistance R25 connect with the 5th pin of one end of capacitor C39, compound transistor Q3 respectively
Connect, the other end of the resistance R26 respectively with the other end of capacitor C39, the 6th pin of compound transistor Q3, triode Q2
Base stage connection, the collector of the triode Q2 connect with one end of resistance R21, the other end of the resistance R21 respectively with electricity
One end of R22, one end connection of capacitor C40 are hindered, the other end of the resistance R22 is connect with the FREQ pin of driving chip U1,
The first pin of the compound transistor Q3, the 4th pin, the emitter of triode Q2, capacitor C40 the other end be grounded.
As an improvement, further including the adjusting circuit for adjusting daytime running lamps electric current, the adjusting circuit includes resistance
R14, resistance R15, resistance R17, resistance R19, resistance R20, capacitor C37, diode D5 and triode T1, the diode D5's
Anode is connect with daytime running lamps control signal output, and cathode is connect with one end of resistance R17, and the resistance R17's is another
End connect respectively with the base stage of one end of resistance R20, one end of capacitor C37, triode T1, the collector of the triode T1 and
One end of resistance R15 connects, the other end of the resistance R15 respectively with the SET pin of driving chip U1, resistance R14 one end,
One end of resistance R19 connects, and the other end of the resistance R14 is connect with the IVCC pin of driving chip U1, the resistance R20's
The other end, the other end of capacitor C37, the emitter of triode T1, resistance R19 the other end be grounded.
From the above, it can be seen that the utility model has following advantages:
The utility model exists daytime running lamps power driving control circuit and turn signal power driving control circuit integration
In one circuit, daytime running lamps circuit and the drive control for turning to circuit for lamp then use respective drive control circuit, will not
It interferes with each other, influences each other, circuit performance is stablized, and driving effect is good；Drive circuit board is made based on this driving switching circuit
When, a drive circuit board is only formed, is separately designed with original daytime running lamps driving circuit and steering lamp drive circuit, point
The method for opening production driving plate is compared, and existing driving plate suqare is less than the area of original two pieces of driving plates, can effectively be subtracted
The installation space that few driving plate occupies, and the production efficiency of driving plate can be effectively improved, while being also more conducive to production line pair
The processing of driving plate.
Detailed description of the invention
Fig. 1 is the circuit structure block diagram of the utility model；
Fig. 2 is the circuit diagram of the utility model.
Specific embodiment
In conjunction with Fig. 1, a specific embodiment of the utility model is described in detail, but not to the claim of the utility model
Do any restriction.
As shown in Figure 1, a kind of automobile daytime driving lamp and turn signal common drive switching circuit, including it is interface circuit, defeated
Enter current rectifying and wave filtering circuit, power driving control circuit, turn to circuit for lamp, daytime running lamps circuit；Interface circuit is for accessing vapour
The ground of the daytime running lamps power control signal of vehicle control, turn signal power control signal and system；Input rectifying filtering
Circuit includes 2 rectification units and filter unit, and 2 rectification units are respectively used to the daytime running lamps power supply control to access
Signal processed, turn signal power control signal are rectified, and the filter unit is used for the daytime running lamps power supply control after rectification
Turn signal power control signal after signal processed and/or rectification is filtered；Power driving control circuit include PWM generator,
Switch unit and output filter unit, the PWM generator are used to access the output signal of filter unit and are converted into PWM control
Signal, pwm control signal are converted into turn signal driving control signal after switch unit, output filter unit and/or go in the daytime
Car light driving control signal；Turning to circuit for lamp includes turn signal LED light group and its drive control circuit, and drive control circuit is used for
Access turn signal driving control signal；Daytime running lamps circuit includes daytime running lamps LED light group and its drive control circuit, is driven
Dynamic control circuit is for accessing daytime running lamps driving control signal.Specific design scheme is as follows:
It is as shown in Figure 2:
(1) interface circuit includes connecting terminal P1, and connecting terminal P1 has first interface, second interface, third interface, the
One interface accesses daytime running lamps power control signal DRL, and second interface accesses turn signal power control signal TURN, and third connects
The ground GND of mouth access system；
(2) current rectifying and wave filtering circuit include resistance R1, resistance R8, capacitor C2, capacitor C4, capacitor C5, capacitor C6, capacitor C7,
Capacitor C8, capacitor C9, capacitor C12, inductance L1, diode D1, diode D2 and Transient Suppression Diode TV1；Specific connection side
Formula are as follows:
One end of resistance R1 is connect with one end of capacitor C2, the anode of diode D1, first interface respectively, and capacitor C2's is another
One end is connect with one end of capacitor C8, the cathode of diode D1 respectively with the cathode of diode D2, Transient Suppression Diode TV1
One end connection of one end, one end of capacitor C4, one end of capacitor C5, inductance L1, the anode of diode D2 is respectively with resistance R8's
One end, one end of capacitor C9, second interface connection, the other end of capacitor C9 are connect with one end of capacitor C12, and inductance L1's is another
End connect with one end of one end of capacitor C6, capacitor C7 respectively and as VIN signal end, the other end of resistance R1, capacitor C8
The other end, the other end of Transient Suppression Diode TV1, the other end of capacitor C4, the other end of capacitor C5, capacitor C6 it is another
End, the other end of capacitor C7, the other end of resistance R8, capacitor C12 the other end be grounded；
(3) power driving control circuit include driving chip U1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6,
Resistance R7, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R16, resistance R18, capacitor C1, capacitor C3,
Capacitor C10, capacitor C11, capacitor C13, capacitor C14, capacitor C15, capacitor C16, capacitor C17, capacitor C18, capacitor C19, capacitor
C20, capacitor C21, capacitor C22, capacitor C23, capacitor C24, capacitor C25, capacitor C26, capacitor C27, capacitor C28, capacitor C29,
Capacitor C30, capacitor C31, capacitor C32, capacitor C33, capacitor C34, capacitor C35, capacitor C36, inductance L2, diode D3, two poles
Pipe D4, metal-oxide-semiconductor Q1, magnetic bead FB1, magnetic bead FB2 and magnetic bead FB3, the preferred TLD5097EL chip of driving chip U1；
Specific connection type are as follows: the COMP pin of driving chip U1 connects with one end of one end of resistance R2, capacitor C3 respectively
Connect, the other end of resistance R2 is connect with one end of capacitor C1, OVFB pin respectively with one end of resistance R7, resistance R12 one end,
One end of capacitor C10 connects, and FREQ pin is connect with one end of resistance R5, and EN pin is connect with one end of resistance R9, IN pin
It is connect respectively with one end of the other end of resistance R9, one end of resistance R11, capacitor C18, FBL pin is another with resistance R12 respectively
One end, one end of resistance R13, one end of resistance R16, one end of capacitor C24, one end of capacitor C25, one end of capacitor C26, electricity
Hold one end of C27, one end of magnetic bead FB3, one end of capacitor C31, capacitor C32 one end connection, FBH pin respectively with resistance
One end connection of the other end of R13, the other end of resistance R16, one end of capacitor C35, one end of capacitor C36, magnetic bead FB2,
SWCS pin is connect with the source electrode of one end of resistance R3, one end of resistance R4, metal-oxide-semiconductor Q1 respectively, SWO pin respectively with resistance
The cathode connection of one end, diode D3 of R10, IVCC pin are connect with one end of capacitor C19, the other end difference of resistance R10
It is connect with the anode of one end of capacitor C11, the grid of metal-oxide-semiconductor Q1, diode D3, the drain electrode of metal-oxide-semiconductor Q1 is respectively with capacitor C13's
One end, one end of inductance L2, diode D4 anode, one end connection of capacitor C30, the other end of capacitor C13 and resistance R6's
One end connection, the cathode of diode D4 are connect with the other end of one end of resistance R18, magnetic bead FB2 respectively, and resistance R18's is another
End connect with the other end of capacitor C30, one end of magnetic bead FB1 respectively with one end of capacitor C22, one end of capacitor C23, capacitor
One end of C28, one end of capacitor C29 connect and as LED- signal ends, and the other end of magnetic bead FB3 is another with capacitor C28 respectively
One end, the other end of capacitor C29, one end of capacitor C33, capacitor C34 one end connection and as LED+ signal end, resistance R11
The other end, one end of capacitor C14, one end of capacitor C15, one end of capacitor C16, one end of capacitor C17, inductance L2 it is another
End, one end of capacitor C20, one end of capacitor C21, the other end of capacitor C24, the other end of capacitor C25, capacitor C26 it is another
End, the other end of capacitor C27, magnetic bead FB1 the other end connect with VIN signal end, the other end of resistance R3, resistance R4 it is another
One end, the other end of resistance R5, the other end of resistance R6, the other end of resistance R7, the other end of capacitor C1, capacitor C3 it is another
End, the other end of capacitor C10, the other end of capacitor C11, the other end of capacitor C14, the other end of capacitor C15, capacitor C16
The other end, the other end of capacitor C17, the other end of capacitor C18, the other end of capacitor C19, the other end of capacitor C20, capacitor
The other end of C21, the other end of capacitor C22, the other end of capacitor C23, the other end of capacitor C31, capacitor C32 the other end,
The other end of capacitor C33, the other end of capacitor C34, the other end of capacitor C35, the other end of capacitor C36, driving chip U1
Heat dissipation bonding pad, GND pin, SGND pin are grounded.
(4) turning to circuit for lamp includes resistance R27, resistance R28, resistance R29, resistance R30, capacitor C41, capacitor C42, two poles
Pipe D6, voltage-stabiliser tube ZD1, metal-oxide-semiconductor Q4, triode Q5 and turn signal LED light group, turn signal LED light group include concatenated LED1,
LED2,LED3,LED4；
Specific connection type are as follows: one end of resistance R27, one end of capacitor C41, the cathode of voltage-stabiliser tube ZD1, metal-oxide-semiconductor Q4
Source electrode is connect with LED+ signal end, and the drain electrode of metal-oxide-semiconductor Q4 is connect with the anode of turn signal LED light group, grid respectively with resistance
One end connection of the other end of R27, the other end of capacitor C41, the anode of voltage-stabiliser tube ZD1, resistance R28, the other end of resistance R28
Connect with the collector of triode Q5, the base stage of triode Q5 respectively with one end of resistance R29, one end of capacitor C42, resistance
One end of R30 connects, and the other end of resistance R29 is connect with the cathode of diode D6, and anode and the turn signal of diode D6 controls
Signal output end connection, the cathode of turn signal LED light group connect with LED- signal end, the emitter of triode Q5, capacitor C42
The other end, resistance R30 the other end be grounded.
(5) daytime running lamps circuit include resistance R31, resistance R32, resistance R33, resistance R34, capacitor C43, capacitor C44,
Diode D7, voltage-stabiliser tube ZD2, metal-oxide-semiconductor Q6, triode Q7 and daytime running lamps LED light group, turn signal LED light group include series connection
LED5, LED6, LED7, LED8, LED9, LED10；
Specific connection type are as follows: one end of resistance R31, one end of capacitor C43, the cathode of voltage-stabiliser tube ZD2, metal-oxide-semiconductor Q6
Source electrode is connect with LED+ signal end, and the drain electrode of metal-oxide-semiconductor Q6 is connect with the anode of daytime running lamps LED light group, grid respectively with
One end connection of the other end of resistance R31, the other end of capacitor C43, the anode of voltage-stabiliser tube ZD2, resistance R32, resistance R32's is another
One end is connect with the collector of triode Q7, the base stage of triode Q7 respectively with one end of resistance R33, one end of capacitor C44, electricity
Hinder one end connection of R34, the other end of resistance R33 connect with the cathode of diode D7, diode D7 it is positive with drive a vehicle in the daytime
The connection of lamp control signal output, the cathode of daytime running lamps LED light group are connect with LED- signal end, the transmitting of triode Q7
Pole, the other end of capacitor C44, resistance R34 the other end be grounded.
Above-mentioned technical proposal is by daytime running lamps power driving control circuit and turn signal power driving control circuit integration
In a circuit, daytime running lamps circuit and the drive control for turning to circuit for lamp then use respective drive control circuit, no
It can interfere with each other, influence each other, circuit performance is stablized, and driving effect is good；Driving circuit is made based on this driving switching circuit
When plate, a drive circuit board is only formed, is separately designed with original daytime running lamps driving circuit and steering lamp drive circuit,
The method for being fabricated separately driving plate is compared, and existing driving plate suqare is less than the area of original two pieces of driving plates, can be effective
The installation space that driving plate occupies is reduced, and the production efficiency of driving plate can be effectively improved, while being also more conducive to production line
Processing to driving plate.
Above-mentioned technical proposal is the concrete application of the turn signal and daytime running lamps applied to vehicle body side, when being directed to
When full vehicle vehicle body (including left side lamp and starboard light), two above-mentioned automobile daytime driving lamps and turn signal common drive are used
Switching circuit can be realized.
In order to improve the performance of above-mentioned automobile daytime driving lamp Yu turn signal common drive switching circuit, to foregoing circuit knot
Structure is extended, specific as follows:
1. circuit further includes the turn signal circuit for detecting whether worked normally for detecting turn signal, correspondingly connecting terminal
It further include the 4th interface TEST for detection signal to be fed back to automotive control system, the detection signal of turn signal circuit for detecting
Automotive control system is fed back to by the 4th interface；
Turn signal circuit for detecting specifically includes resistance R35, resistance R36, resistance R37, resistance R38, capacitor C45, capacitor
C46, capacitor C47 and triode Q8；
Specific connection type are as follows: one end of resistance R35, one end of capacitor C45 are connect with the ST pin of driving chip U1,
The other end of resistance R35 is connect with the base stage of one end of capacitor C46, triode Q8 respectively, the collector of triode Q8 respectively with
One end connection of one end of resistance R37, resistance R38, the other end of resistance R37 respectively with the other end of resistance R38, resistance R36
One end, one end of capacitor C47, the connection of the 4th interface, the other end of capacitor C45, the other end of capacitor C46, triode Q8
Emitter, the other end of resistance R36, capacitor C47 the other end be grounded.
2. further including trembling frequency circuit for adjust driving chip U1 working frequency, circuit is improved by trembling frequency circuit
EMC performance improves electromagnetism interference performance.Trembling frequency circuit includes resistance R21, resistance R22, resistance R23, resistance R24, resistance
R25, resistance R26, capacitor C38, capacitor C39, capacitor C40, triode Q2 and compound transistor Q3, compound transistor Q3 are preferred
BC846AS compound transistor；
Specific connection type are as follows: one end of resistance R23, one end of resistance R24, one end of resistance R25, resistance R26 one
End connect with the IVCC pin of driving chip U1, the other end of resistance R23 respectively with one end of capacitor C38, compound transistor
The third pin of Q3 connects, the other end of the resistance R24 second pin with the other end of capacitor C38, compound transistor Q3 respectively
Connection, the other end of resistance R25 are connect with the 5th pin of one end of capacitor C39, compound transistor Q3 respectively, resistance R26's
The other end is connect with the base stage of the other end of capacitor C39, the 6th pin of compound transistor Q3, triode Q2 respectively, triode
The collector of Q2 is connect with one end of resistance R21, the other end of resistance R21 respectively with one end of resistance R22, capacitor C40 one
End connection, the other end of resistance R22 are connect with the FREQ pin of driving chip U1, the first pin of compound transistor Q3, the 4th
Pin, the emitter of triode Q2, capacitor C40 the other end be grounded.
3. further include the adjusting circuit for adjusting daytime running lamps electric current, adjust circuit include resistance R14, resistance R15,
Resistance R17, resistance R19, resistance R20, capacitor C37, diode D5 and triode T1；
Specific connection type are as follows: the anode of diode D5 is connect with daytime running lamps control signal output, cathode and electricity
Hinder R17 one end connection, the other end of resistance R17 respectively with one end of resistance R20, one end of capacitor C37, triode T1 base
Pole connection, the collector of triode T1 are connect with one end of resistance R15, and the other end of resistance R15 is respectively with driving chip U1's
One end connection of SET pin, one end of resistance R14, resistance R19, the other end of resistance R14 and the IVCC pin of driving chip U1
Connection, the other end of resistance R20, the other end of capacitor C37, the emitter of triode T1, resistance R19 the other end be grounded.
In conclusion the utility model has the advantage that
The utility model exists daytime running lamps power driving control circuit and turn signal power driving control circuit integration
In one circuit, daytime running lamps circuit and the drive control for turning to circuit for lamp then use respective drive control circuit, will not
It interferes with each other, influences each other, circuit performance is stablized, and driving effect is good；Drive circuit board is made based on this driving switching circuit
When, a drive circuit board is only formed, is separately designed with original daytime running lamps driving circuit and steering lamp drive circuit, point
The method for opening production driving plate is compared, and existing driving plate suqare is less than the area of original two pieces of driving plates, can effectively be subtracted
The installation space that few driving plate occupies, and the production efficiency of driving plate can be effectively improved, while being also more conducive to production line pair
The processing of driving plate.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment.Those skilled in the art should understand that still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (5)
1. a kind of automobile daytime driving lamp and turn signal common drive switching circuit, it is characterised in that: including interface circuit, input
Current rectifying and wave filtering circuit, turns to circuit for lamp, daytime running lamps circuit at power driving control circuit；
The interface circuit is used to access the daytime running lamps power control signal of automotive control system, turn signal power supply control letter
Number and system ground；
The input rectifying filter circuit includes 2 rectification units and filter unit, and 2 rectification units are respectively used to dock
Daytime running lamps power control signal, the turn signal power control signal entered is rectified, and the filter unit is used for rectification
Turn signal power control signal after rear daytime running lamps power control signal and/or rectification is filtered；
The power driving control circuit includes that PWM generator, switch unit and output filter unit, the PWM generator are used
In the output signal for accessing filter unit and it is converted into pwm control signal, pwm control signal is single through switch unit, output filtering
Turn signal driving control signal and/or daytime running lamps driving control signal are converted into after member；
The steering circuit for lamp includes turn signal LED light group and its drive control circuit, and drive control circuit is turned to for accessing
Lamp driving control signal；
The daytime running lamps circuit includes daytime running lamps LED light group and its drive control circuit, and drive control circuit is used for
Access daytime running lamps driving control signal.
2. automobile daytime driving lamp according to claim 1 and turn signal common drive switching circuit, it is characterised in that: institute
Stating interface circuit includes connecting terminal, and the connecting terminal has first interface, second interface, third interface, and described first connects
Mouth access daytime running lamps power control signal, the second interface access turn signal power control signal, the third interface
The ground of access system；
The current rectifying and wave filtering circuit includes resistance R1, resistance R8, capacitor C2, capacitor C4, capacitor C5, capacitor C6, capacitor C7, capacitor
C8, capacitor C9, capacitor C12, inductance L1, diode D1, diode D2 and Transient Suppression Diode TV1；The one of the resistance R1
End is connect with one end of capacitor C2, the anode of diode D1, first interface respectively, and the other end of the capacitor C2 is with capacitor C8's
One end connection, the cathode of the diode D1 respectively with the cathode of diode D2, one end of Transient Suppression Diode TV1, capacitor
One end of C4, one end of capacitor C5, inductance L1 one end connection, the diode D2 anode respectively with one end of resistance R8,
One end of capacitor C9, second interface connection, the other end of the capacitor C9 are connect with one end of capacitor C12, the inductance L1's
The other end connect with one end of one end of capacitor C6, capacitor C7 respectively and as VIN signal end, the other end of the resistance R1,
The other end of capacitor C8, the other end of Transient Suppression Diode TV1, the other end of capacitor C4, the other end of capacitor C5, capacitor C6
The other end, the other end of capacitor C7, the other end of resistance R8, capacitor C12 the other end be grounded；
The power driving control circuit includes driving chip U1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity
Hinder R7, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R16, resistance R18, capacitor C1, capacitor C3, electricity
Hold C10, capacitor C11, capacitor C13, capacitor C14, capacitor C15, capacitor C16, capacitor C17, capacitor C18, capacitor C19, capacitor
C20, capacitor C21, capacitor C22, capacitor C23, capacitor C24, capacitor C25, capacitor C26, capacitor C27, capacitor C28, capacitor C29,
Capacitor C30, capacitor C31, capacitor C32, capacitor C33, capacitor C34, capacitor C35, capacitor C36, inductance L2, diode D3, two poles
Pipe D4, metal-oxide-semiconductor Q1, magnetic bead FB1, magnetic bead FB2 and magnetic bead FB3；The COMP pin of the driving chip U1 is respectively with resistance R2's
One end connection of one end, capacitor C3, the other end of the resistance R2 connect with one end of capacitor C1, OVFB pin respectively with resistance
One end connection of one end of R7, one end of resistance R12, capacitor C10, FREQ pin connect with one end of resistance R5, EN pin and
One end of resistance R9 connects, and IN pin is connect with one end of the other end of resistance R9, one end of resistance R11, capacitor C18 respectively,
FBL pin respectively with the other end of resistance R12, one end of resistance R13, one end of resistance R16, one end of capacitor C24, capacitor
One end of C25, one end of capacitor C26, one end of capacitor C27, one end of magnetic bead FB3, one end of capacitor C31, capacitor C32 one
End connection, FBH pin respectively with the other end of resistance R13, the other end of resistance R16, one end of capacitor C35, capacitor C36 one
One end connection at end, magnetic bead FB2, SWCS pin connect with the source electrode of one end of resistance R3, one end of resistance R4, metal-oxide-semiconductor Q1 respectively
It connecing, SWO pin is connect with the cathode of one end of resistance R10, diode D3 respectively, and IVCC pin is connect with one end of capacitor C19,
The other end of the resistance R10 is connect with the anode of one end of capacitor C11, the grid of metal-oxide-semiconductor Q1, diode D3 respectively, described
The drain electrode of metal-oxide-semiconductor Q1 respectively with one end of capacitor C13, one end of inductance L2, diode D4 anode, one end of capacitor C30 connects
Connect, the other end of the capacitor C13 is connect with one end of resistance R6, the cathode of the diode D4 respectively with resistance R18 one
The other end connection at end, magnetic bead FB2, the other end of the resistance R18 are connect with the other end of capacitor C30, the magnetic bead FB1's
One end is connect and conduct with one end of one end of capacitor C22, one end of capacitor C23, one end of capacitor C28, capacitor C29 respectively
LED- signal end, the other end of the magnetic bead FB3 respectively with the other end of capacitor C28, the other end of capacitor C29, capacitor C33
One end, capacitor C34 one end connection and as LED+ signal end, the other end of the resistance R11, one end of capacitor C14, capacitor
One end of C15, one end of capacitor C16, one end of capacitor C17, the other end of inductance L2, one end of capacitor C20, capacitor C21
One end, the other end of capacitor C24, the other end of capacitor C25, the other end of capacitor C26, the other end of capacitor C27, magnetic bead FB1
The other end connect with VIN signal end, the other end, the other end of resistance R4, the other end of resistance R5, the electricity of the resistance R3
Hinder the other end of R6, the other end of resistance R7, the other end of capacitor C1, the other end of capacitor C3, the other end of capacitor C10, electricity
Hold the other end of C11, the other end of capacitor C14, the other end of capacitor C15, the other end of capacitor C16, capacitor C17 it is another
End, the other end of capacitor C18, the other end of capacitor C19, the other end of capacitor C20, the other end of capacitor C21, capacitor C22
The other end, the other end of capacitor C23, the other end of capacitor C31, the other end of capacitor C32, the other end of capacitor C33, capacitor
The other end of C34, the other end of capacitor C35, the other end of capacitor C36, driving chip U1 heat dissipation bonding pad, GND pin, SGND
Pin is grounded；
The steering circuit for lamp includes resistance R27, resistance R28, resistance R29, resistance R30, capacitor C41, capacitor C42, diode
D6, voltage-stabiliser tube ZD1, metal-oxide-semiconductor Q4, triode Q5 and turn signal LED light group；One end of the resistance R27, capacitor C41 one end,
The cathode of voltage-stabiliser tube ZD1, the source electrode of metal-oxide-semiconductor Q4 are connect with LED+ signal end, the drain electrode of the metal-oxide-semiconductor Q4 and turn signal LED
Lamp group anode connection, grid respectively with the other end of resistance R27, the other end of capacitor C41, the anode of voltage-stabiliser tube ZD1, resistance
One end of R28 connects, and the other end of the resistance R28 is connect with the collector of triode Q5, the base stage point of the triode Q5
It is not connect with one end of one end of resistance R29, one end of capacitor C42, resistance R30, the other end and diode of the resistance R29
The cathode of D6 connects, and the anode of the diode D6 is connect with turn signal control signal output, the turn signal LED light group
Cathode is connect with LED- signal end, the emitter of the triode Q5, the other end of capacitor C42, resistance R30 the other end connect
Ground；
The daytime running lamps circuit includes resistance R31, resistance R32, resistance R33, resistance R34, capacitor C43, capacitor C44, two
Pole pipe D7, voltage-stabiliser tube ZD2, metal-oxide-semiconductor Q6, triode Q7 and daytime running lamps LED light group；One end of the resistance R31, capacitor
One end of C43, the cathode of voltage-stabiliser tube ZD2, metal-oxide-semiconductor Q6 source electrode connect with LED+ signal end, the drain electrode of the metal-oxide-semiconductor Q6 with
Daytime running lamps LED light group anode connection, grid respectively with the other end of resistance R31, the other end of capacitor C43, voltage-stabiliser tube
One end connection of the anode, resistance R32 of ZD2, the other end of the resistance R32 are connect with the collector of triode Q7, and described three
The base stage of pole pipe Q7 is connect with one end of one end of resistance R33, one end of capacitor C44, resistance R34 respectively, the resistance R33's
The other end is connect with the cathode of diode D7, and the anode of the diode D7 is connect with daytime running lamps control signal output,
The cathode of the daytime running lamps LED light group is connect with LED- signal end, the emitter of the triode Q7, capacitor C44 it is another
One end, resistance R34 the other end be grounded.
3. automobile daytime driving lamp according to claim 2 and turn signal common drive switching circuit, it is characterised in that: also
Including the turn signal circuit for detecting whether worked normally for detecting turn signal, correspondingly the connecting terminal further includes for inciting somebody to action
Detection signal feeds back to the 4th interface of automotive control system, and the turn signal circuit for detecting includes resistance R35, resistance R36, electricity
Hinder R37, resistance R38, capacitor C45, capacitor C46, one end of capacitor C47 and triode Q8, the resistance R35, capacitor C45 one
End connect with the ST pin of driving chip U1, the other end of the resistance R35 respectively with one end of capacitor C46, triode Q8
Base stage connection, the collector of the triode Q8 connect with one end of one end of resistance R37, resistance R38 respectively, the resistance
The other end of R37 is connect with the other end of resistance R38, one end of resistance R36, one end of capacitor C47, the 4th interface respectively, institute
State the other end of capacitor C45, the other end of capacitor C46, the emitter of triode Q8, the other end of resistance R36, capacitor C47
The other end is grounded.
4. automobile daytime driving lamp according to claim 2 and turn signal common drive switching circuit, it is characterised in that: also
Including the frequency circuit of trembling for adjusting driving chip U1 working frequency, the frequency circuit of trembling includes resistance R21, resistance R22, resistance
R23, resistance R24, resistance R25, resistance R26, capacitor C38, capacitor C39, capacitor C40, triode Q2 and compound transistor Q3, institute
State one end of resistance R23, one end of resistance R24, one end of resistance R25, resistance R26 IVCC of the one end with driving chip U1
Pin connection, the other end of the resistance R23 are connect with the third pin of one end of capacitor C38, compound transistor Q3 respectively, institute
The other end for stating resistance R24 is connect with the second pin of the other end of capacitor C38, compound transistor Q3 respectively, the resistance R25
The other end connect respectively with the 5th pin of one end of capacitor C39, compound transistor Q3, the other end of the resistance R26 point
It is not connect with the base stage of the other end of capacitor C39, the 6th pin of compound transistor Q3, triode Q2, the triode Q2's
Collector is connect with one end of resistance R21, the other end of the resistance R21 respectively with one end of resistance R22, capacitor C40 one
End connection, the other end of the resistance R22 are connect with the FREQ pin of driving chip U1, and the first of the compound transistor Q3 is drawn
Foot, the 4th pin, the emitter of triode Q2, capacitor C40 the other end be grounded.
5. automobile daytime driving lamp according to claim 2 and turn signal common drive switching circuit, it is characterised in that: also
Including the adjusting circuit for adjusting daytime running lamps electric current, the adjusting circuit include resistance R14, resistance R15, resistance R17,
Anode and the daytime running lamps control of resistance R19, resistance R20, capacitor C37, diode D5 and triode T1, the diode D5
Signal output end connection, cathode connect with one end of resistance R17, the other end of the resistance R17 respectively with resistance R20 one
The base stage connection at end, one end of capacitor C37, triode T1, the collector of the triode T1 are connect with one end of resistance R15,
The other end of the resistance R15 is connect with one end of the SET pin of driving chip U1, one end of resistance R14, resistance R19 respectively,
The other end of the resistance R14 is connect with the IVCC pin of driving chip U1, the other end of the resistance R20, capacitor C37 it is another
One end, the emitter of triode T1, resistance R19 the other end be grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821133283.7U CN208559168U (en) | 2018-07-17 | 2018-07-17 | Automobile daytime driving lamp and turn signal common drive switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821133283.7U CN208559168U (en) | 2018-07-17 | 2018-07-17 | Automobile daytime driving lamp and turn signal common drive switching circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208559168U true CN208559168U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821133283.7U Expired - Fee Related CN208559168U (en) | 2018-07-17 | 2018-07-17 | Automobile daytime driving lamp and turn signal common drive switching circuit |
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| Country | Link |
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| CN (1) | CN208559168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111315067A (en) * | 2020-03-10 | 2020-06-19 | 浙江金来奥光电科技有限公司 | Integrated LED lamp control system for controlling multiple lighting modes of vehicle lamp |
| CN111315081A (en) * | 2020-03-10 | 2020-06-19 | 浙江金来奥光电科技有限公司 | Automobile LED lamp control system |
-
2018
- 2018-07-17 CN CN201821133283.7U patent/CN208559168U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111315067A (en) * | 2020-03-10 | 2020-06-19 | 浙江金来奥光电科技有限公司 | Integrated LED lamp control system for controlling multiple lighting modes of vehicle lamp |
| CN111315081A (en) * | 2020-03-10 | 2020-06-19 | 浙江金来奥光电科技有限公司 | Automobile LED lamp control system |
| CN111315081B (en) * | 2020-03-10 | 2022-02-18 | 浙江金来奥光电科技有限公司 | Automobile LED lamp control system |
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