CN208886661U - A kind of automobile tail light LED module and its integrated circuit - Google Patents

Abstract

The utility model provides a kind of automobile tail light LED module, it includes car body, and the left and right sides of rear vehicle is equipped with a pair of of taillight, is connected between the sides adjacent of the taillight by LED driving mould group, LED driving mould group is arranged along the horizontal in the rear portion of car body；A kind of integrated circuit of automobile tail light LED module, it includes reference power source module, control module and LED driving mould group, and the reference power source module is respectively connected to control module and LED driving mould group, and the control module is connected to LED driving mould group；Utility model has the advantages that taillight is designed integral, the LED light source of script separation is integrated on one piece of substrate, the volume of control circuit is greatly reduced by the control of chip and reduces the malfunction caused by external devices electromagnetic interference, flexible, sequential light on and off control and intensity control can be done, vigilance of the stimulation on human visual to increase each driver is increased.

Description

A kind of automobile tail light LED module and its integrated circuit

Technical field

The utility model relates to automobile tail light field more particularly to a kind of LED module multifunctional integrated circuits.

Background technique

Diurnal running lamp is that vehicle is made to be easier the lamps and lanterns that are recognized by people when driving on daytime, it the effect of be not to shine It is bright, but a kind of signal lamp, the being identified property of vehicle is provided.Position lamp is mainly to the presence for indicating automobile and width substantially Degree, convenient for other vehicles in meeting and judgement when overtaking other vehicles.Turn signal is to open when motor vehicles turn to prompt all around The important indicator light that vehicle and pedestrian pay attention to.Individually for automobile tail light, function has driving lamp, position lamp, brake lamp, steering Lamp, fog lamp etc..Existing taillight design method is: by car body on car bonnet be split up into two lamps and left and right it is each separate it is independent For individual, this requires each harness corresponds to the lamp for lighting a function, and can only control its light on and off function, Wo Menzhi It is just tired after watching for a long time that the eyes of Taoist have a kind of inertia to be easy to stable object, then loses and warns to it Feel, this people to drive for driving at night or for a long time there are greatly security concerns.

Utility model content

The purpose of the utility model is to provide a kind of LED module multifunctional integrated circuits.

To achieve the goals above, the technical solution of the utility model is:

A kind of automobile tail light LED module, it includes car body, and the left and right sides of the rear vehicle is equipped with a pair of of taillight, Be characterized in that, the connection of mould group driven by LED between the sides adjacent of the taillight, LED driving mould group be arranged along the horizontal in The rear portion of car body.

A kind of integrated circuit of automobile tail light LED module, which is characterized in that it includes reference power source module, control module Mould group is driven with LED, the reference power source module is respectively connected to control module and LED driving mould group, and the control module connects It is connected to LED driving mould group；

Wherein, the reference power source module includes rectifier diode and voltage reduction module, and the anode of the rectifier diode connects The cathode of input voltage, the rectifier diode connects the normal phase input end of voltage reduction module,

The control module includes control chip, and 1 foot of the control chip connects supply voltage, described to control the 1 of chip Foot is also connect with one end of one end of the first inductance and first capacitor respectively, another termination voltage reduction module of first inductance Positive output end, the other end of the first capacitor and 20 feet for controlling chip are grounded jointly, and 3 feet of the control chip connect the 15 feet of one end of one resistance, the other end ground connection of the first resistor, the control chip connect one end of second resistance, described 16 feet of control chip connect one end of 3rd resistor, and 17 feet of the control chip connect one end of the 4th resistance, second electricity The other end ground connection of resistance, 3rd resistor and the 4th resistance,

The LED driving mould group includes at most eight drive modules, and the drive module is respectively connected to the 5 ~ 9 of control chip Foot and 11 ~ 13 feet.

Further, the drive module includes the 5th resistance, 5 ~ 9 feet of a termination control chip of the 5th resistance And 11 ~ 13 any one feet in foot, the other end of the 5th resistance are respectively connected to one end of the 6th resistance, the second capacitor The other end of the base stage of one end and triode, the 6th resistance and the second capacitor is grounded, the emitter ground connection of the triode, The collector of the triode connects one end of the 7th resistance and the 8th resistance respectively.

Utility model has the advantages that the taillight on two pieces of car bonnets of script separation is designed integrally, by script point From LED light source be integrated on one piece of substrate, by the control of chip greatly reduce control circuit volume and reduce pair It is malfunctioned caused by external devices electromagnetic interference, flexible, sequential light on and off control and intensity control can be done, increase human body The visual vigilance stimulated to increase each driver.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model integrated circuit；

Fig. 3 is the schematic diagram of reference power source module in the utility model integrated circuit；

Fig. 4 is the schematic diagram of control module in the utility model integrated circuit；

Fig. 5 is the schematic diagram that LED drives mould group in the utility model integrated circuit.

Appended drawing reference:

1 car body, 2 taillight, 3 LED drives 4 reference power source module of mould group, 5 control module, 51 drive module

R1 ~ 8 first ~ the 8th resistance

D rectifier diode

L inductance

Q triode

U1 voltage reduction module

U2 controls chip

C1 first capacitor the second capacitor of C2.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

The utility model discloses a kind of automobile tail light LED modules, as shown in Figure 1, it includes car body 1, after the car body 1 The left and right sides in portion is equipped with a pair of of taillight 2, which is characterized in that drives mould group 3 to connect by LED between the sides adjacent of the taillight 2 It connects, the LED driving mould group 3 is arranged along the horizontal in the rear portion of car body 1.

A kind of integrated circuit of automobile tail light LED module, which is characterized in that as shown in Fig. 2, it includes reference power source module 4, control module 5 and LED drive mould group 3, and the reference power source module 4 is respectively connected to control module 5 and LED driving mould group 3, The control module 5 is connected to LED driving mould group 3；

Wherein, as shown in figure 3, the reference power source module 4 includes rectifier diode D and voltage reduction module U1, the decompression Module U1 is preferably mini360, and the anode of the rectifier diode D connects input voltage, and rectifier diode D preferably uses PANJIT The cathode of S2J, the rectifier diode D connect the normal phase input end of voltage reduction module U1.

As shown in figure 4, the control module 5 includes control chip U2, the control chip U2 is preferably PIC16F1508, 1 foot of the control chip U2 connects supply voltage, 1 foot of the control chip U2 also respectively with one end of the first inductance L and the One end of one capacitor C1 connects, the positive output end of another termination voltage reduction module U1 of the first inductance L, the first capacitor The other end of C1 and 20 feet of control chip U2 are grounded jointly, and 3 feet of the control chip U2 meet one end of first resistor R1, institute The other end ground connection of first resistor R1 is stated, 15 feet of the control chip U2 connect one end of second resistance R2, the control chip 16 feet of U2 connect one end of 3rd resistor R3, and 17 feet of the control chip U2 connect one end of the 4th resistance R4, second electricity The other end ground connection of R2,3rd resistor R3 and the 4th resistance R4 are hindered, the LED driving mould group 3 includes at most eight drive modules, The drive module is respectively connected to 5 ~ 9 feet and 11 ~ 13 feet of control chip U2, by control chip U2 to 5 ~ 9 feet and 11 ~ 13 The corresponding each drive module of foot carries out independent switch control.

As shown in figure 5, the drive module 51 includes the 5th resistance R5, the 5th resistance R5 is preferably 1K Ω, the described 5th 5 ~ 9 feet and any one foot in 11 ~ 13 feet of a termination control chip U2 of resistance R5, the other end of the 5th resistance R5 It is respectively connected to one end, one end of the second capacitor C2 and the base stage of triode Q of the 6th resistance R6, the 6th resistance R6 is preferably 10K Ω, the second capacitor C2 are preferably 100nF, and the second capacitor C2 stablizes bias voltage, filter ripple, so that three poles when power supply disconnects Pipe Q can also be held on a bit of time, the other end ground connection of the 6th resistance R6 and the second capacitor C2, the triode Q Emitter ground connection, the collector of the triode Q connects one end of the 7th resistance R7 and the 8th resistance R8 respectively, the 7th electricity Hindering R7 and the 8th resistance R8 is preferably 10K Ω, and the other end of the 7th resistance R7 and the 8th resistance R8 makees output end.

When it is implemented, receiving power supply and signal by car body control module, it is transmitted to reference power source module 4 and control module 5, And reference power source module 4 also provides power to control module 5 and provides after the control chip U2 of control module 5 receives signal It controls signal and drives mould group 3 to LED, make the wherein one LED light on and off of control of each drive module 51 or luminous intensity, finally, LED Out-put supply is to LED lamp panel again for control module 5, to realize the appellative function of car body control module.

Due to driving mould group 3 to connect by LED between the sides adjacent of taillight 2, LED light source is no longer arranged near taillight 2, But drive 3 surface of mould group in LED, the range of arrangement synthesize by two agllutinations on the plate of one piece of strip, control LED light string brightness and Therefore the mode of light on and off is changed, can drive 3 surface of mould group that the turning warning of running lamp is arranged in the LED of strip, make pedestrian Or vehicle driver is easier to notice front truck vehicle condition.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (3)

1. a kind of automobile tail light LED module, it includes car body, and the left and right sides of the rear vehicle is equipped with a pair of of taillight, special Sign is, drives the connection of mould group by LED between the sides adjacent of the taillight, and the LED driving mould group is arranged along the horizontal in vehicle The rear portion of body.

2. a kind of integrated circuit of automobile tail light LED module, which is characterized in that it include reference power source module, control module and LED drives mould group, and the reference power source module is respectively connected to control module and LED driving mould group, the control module connection Mould group is driven to LED；

Wherein, the reference power source module includes rectifier diode and voltage reduction module, and the anode of the rectifier diode connects input The cathode of voltage, the rectifier diode connects the normal phase input end of voltage reduction module,

The control module includes control chip, and 1 foot of the control chip connects supply voltage, and 1 foot of the control chip is also It is connect respectively with one end of one end of the first inductance and first capacitor, the positive of another termination voltage reduction module of first inductance 20 feet of output end, the other end and control chip of the first capacitor are grounded jointly, and 3 feet of the control chip connect the first electricity 15 feet of one end of resistance, the other end ground connection of the first resistor, the control chip connect one end of second resistance, the control 16 feet of chip connect one end of 3rd resistor, and 17 feet of the control chip connect one end of the 4th resistance, the second resistance, the The other end of three resistance and the 4th resistance ground connection,

LED driving mould group includes at most eight drive modules, the drive module be respectively connected to 5 ~ 9 feet of control chip with And 11 ~ 13 foot.

3. a kind of integrated circuit of automobile tail light LED module according to claim 2, which is characterized in that the driving mould Block includes the 5th resistance, 5 ~ 9 feet and any one foot in 11 ~ 13 feet of a termination control chip of the 5th resistance, institute The other end for stating the 5th resistance is respectively connected to one end, one end of the second capacitor and the base stage of triode of the 6th resistance, and described The other end of six resistance and the second capacitor ground connection, the emitter ground connection of the triode, the collector of the triode connect respectively One end of 7th resistance and the 8th resistance.