CN104553970B - LED automobile steering indicating light - Google Patents
LED automobile steering indicating light Download PDFInfo
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- CN104553970B CN104553970B CN201510010118.7A CN201510010118A CN104553970B CN 104553970 B CN104553970 B CN 104553970B CN 201510010118 A CN201510010118 A CN 201510010118A CN 104553970 B CN104553970 B CN 104553970B
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Abstract
The present invention discloses a kind of LED automobile steering indicating light, and it includes reflector, LED and control circuit, and LED is arranged in reflector, and LED is electrically connected with control circuit；Circuit is controlled to include rectification circuit, inverter circuit, mu balanced circuit, single-chip microcomputer U2, filter circuit, electrifying self-resetting circuit and load circuit；Rectification circuit is electrically connected to inverter circuit and mu balanced circuit；Electrifying self-resetting circuit, filter circuit, load circuit, inverter circuit are electrically connected to single-chip microcomputer U2；LED is electrically connected to load circuit.The present invention is radiationless, and pollution-free, service life is long；And it is by controlling circuit to control LED to realize streamer function so that LED automobile steering indicating light is more eye-catching, effect is pointed out more preferably, and driver forgets to close LED automobile steering indicating light without worry.
Description
Technical field
The present invention relates to circuit field, more particularly to a kind of LED automobile steering indicating light.
Background technology
Turn signal, as the term suggests it is exactly, in Ackermann steer angle, to play and warn pedestrian or vehicle after Chinese herbaceous peony or car
Effect, the operation principle of steering indicating light has two kinds, and one of which uses flasher, different by its structure, can be divided into resistance wire form, electric capacity
Three kinds of formula and electronic type.Wherein resistance wire form can be divided into hot wire type's (electrothermal) and tab style (flip-over type) again, and electronic type can
Divide hybrid (relay and electronic component of contact-carrying formula) and full electronic (non-relay).Such as flip-over type flasher, profit
Heating effect of current principle is used, using thermal expansion shrinkage as power, spring leaf is produced abrupt change, it is real to switch on and off contact
Existing light flash.
Existing steering indicating light is gas car steering indicating light, that is, uses gas, such as halogen, gas car steering indicating light, skill
Art is ripe, and price is low, but can produce radiation, and mercury is contained in the inside, and shell is that glass is made, and is easily broken, and causes to pollute environment.
In addition, another existing steering indicating light uses bulb, its illuminating effect is poor, it is impossible to play eye-catching effect, and it makes
It is not long with the life-span；When using this steering indicating light, its opening time GPRS is good, should be on 30 meters away from turning crossing~100 meters left sides
Opened when right, hold to cause the illusion of " forgetting to close steering indicating light " to rear car too early, opening party makes pursuit-type vehicle, pedestrian below
Have no mental preparation, often make mistakes in chaos.
In summary, it is necessary to design a kind of LED automobile steering indicating light to make up drawbacks described above.
The content of the invention
To solve drawbacks described above, the present invention proposes a kind of LED automobile steering indicating light, and its is simple in construction, easy to use, and it lights
It is eye-catching, point out effect good.
The technical proposal of the invention is realized in this way：
The present invention discloses a kind of LED automobile steering indicating light, and it includes reflector, LED and control circuit, and LED is arranged on
In reflector, and LED is electrically connected with control circuit；Circuit is controlled to include rectification circuit, inverter circuit, mu balanced circuit, list
Piece machine U2, filter circuit, electrifying self-resetting circuit and load circuit；Rectification circuit is electrically connected to inverter circuit and voltage stabilizing electricity
Road；Electrifying self-resetting circuit, filter circuit, load circuit, inverter circuit are electrically connected to single-chip microcomputer U2；LED is electrically connected
To load circuit.
Wherein, single-chip microcomputer U2 model is STM8S003F3P6.
Wherein, rectification circuit includes diode D1, diode D2, diode D3, diode D4, diode D5 and diode
D6；Diode D1 one end is electrically connected to inverter circuit and diode D2 one end, and its other end is electrically connected to mu balanced circuit, two poles
Pipe D4 one end, diode D5 one end and load circuit；Diode D4 one end, diode D5 one end are further electrically coupled to voltage stabilizing electricity
Road；The diode D2 other ends are electrically connected to inverter circuit and diode D3 one end；The diode D3 other ends are electrically connected to two poles
The pipe D4 other ends and external power supply positive pole；The diode D5 other ends are electrically connected to inverter circuit and diode D6 one end；Two poles
The pipe D6 other ends are grounded；Diode D2 and diode D3 junction is electrically connected to external power supply negative pole.
Wherein, inverter circuit includes resistance R2, resistance R4, resistance R5, resistance R9, resistance R10, resistance R11, triode
Q2 and triode Q5；Triode Q2 base stage is electrically connected to resistance R4 one end and resistance R5 one end, triode Q2 emitter stage electricity
It is connected to the resistance R5 other ends, triode Q5 emitter stage and resistance R11 one end, and triode Q2 emitter stage and resistance R11
Junction ground connection；Triode Q2 colelctor electrode is electrically connected to resistance R2 one end and single-chip microcomputer U2 PD4 pins；Resistance R4 is another
End is electrically connected to diode D2 one end and diode D1 one end；Triode Q5 base stage is electrically connected to resistance R10 one end and resistance
The R11 other ends；Triode Q5 colelctor electrode is electrically connected to resistance R9 one end and single-chip microcomputer U2 PD5 pins；The resistance R9 other ends
The resistance R2 other ends are electrically connected to, and resistance R9 and resistance R2 junction is electrically connected to external power supply positive pole；Resistance R10 is another
End is electrically connected to the diode D5 other ends and diode D6 one end.
Wherein, mu balanced circuit includes three proper Voltagre regulator U1, electric capacity C1, electric capacity C2 and electric capacity C3；Three rectify voltage
Voltage-stablizer U1 Vin pins are electrically connected to electric capacity C1 one end, load circuit, the diode D1 other ends, diode D4 one end and two
Pole pipe D5 one end；The three Vout pins for rectifying Voltagre regulator U1 are electrically connected to electric capacity C2 one end and electric capacity C3 one end, and three ends
Positive voltage voltage-stablizer U1 Vout pins are electrically connected to external power supply positive pole with electric capacity C3 junction；Three rectify Voltagre regulator
U1 GND pins are electrically connected to the electric capacity C1 other ends, the electric capacity C2 other ends and the electric capacity C3 other ends, and three rectify Voltagre regulator
The junction of U1 GND pins and electric capacity C1, electric capacity C2, electric capacity C3 is grounded.
Wherein, electrifying self-resetting circuit includes resistance R8 and electric capacity C4；Resistance R8 one end is electrically connected to external power supply positive pole
And filter circuit, its other end is electrically connected to electric capacity C4 one end and single-chip microcomputer U2 NRST pins；The electric capacity C4 other ends are electrically connected
To filter circuit.
Wherein, filter circuit includes electric capacity C5 and electric capacity C6；Electric capacity C5 one end is electrically connected to electric capacity C6 one end and single-chip microcomputer
U2 Vss pins, its other end is electrically connected to single-chip microcomputer U2 Vcap pins；Electric capacity C6 and electric capacity C5 junction is grounded, and
The first node is provided between electric capacity C6 and electric capacity C5, the first node is electrically connected to the electric capacity C4 other ends；The electric capacity C6 other ends are electrically connected
It is connected to resistance R8 one end and single-chip microcomputer U2 Vdd pins.
Wherein, load circuit includes multiple identical load unit circuits, multiple load unit circuit in parallel connections；And it is many
After individual load unit circuit in parallel connection, one end is electrically connected to mu balanced circuit and rectification circuit, and its other end is electrically connected to monolithic
Machine U2 and LED.
Wherein, load circuit includes five load unit circuits, and it includes the first load unit circuit, the second load unit
Circuit, the 3rd load unit circuit, the 4th load unit circuit and the 5th load unit circuit.
Wherein, the first load unit circuit includes resistance R1, p-type metal-oxide half field effect transistor Q3, triode Q1 and resistance
R3；P-type metal-oxide half field effect transistor Q3 grid is electrically connected to resistance R1 one end and triode Q1 colelctor electrode；P-type gold oxygen half
Field-effect transistor Q3 source electrode is electrically connected to the resistance R1 other ends, and p-type metal-oxide half field effect transistor Q3 source electrode and resistance R1
Between be provided with the second node, it is single that the second node is electrically connected to the second load unit circuit, the 3rd load unit circuit, the 4th load
First circuit, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q3 drain electrode electrical connection
To LED；Triode Q1 base stage is electrically connected to resistance R3 one end；The PC3 that the resistance R3 other ends are electrically connected to single-chip microcomputer U2 connects
Pin；Triode Q1 grounded emitter；Second load unit circuit includes resistance R6, p-type metal-oxide half field effect transistor Q6, three poles
Pipe Q4 and resistance R7；P-type metal-oxide half field effect transistor Q6 grid is electrically connected to resistance R6 one end and triode Q4 colelctor electrode；
P-type metal-oxide half field effect transistor Q6 source electrode is electrically connected to the resistance R6 other ends, and p-type metal-oxide half field effect transistor Q6 source electrode
The 3rd node is provided between resistance R6, the 3rd node is electrically connected to the second node, the 3rd load unit circuit, the 4th load list
First circuit, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q6 drain electrode electrical connection
To LED；Triode Q4 base stage is electrically connected to resistance R7 one end；The PC4 that the resistance R7 other ends are electrically connected to single-chip microcomputer U2 connects
Pin；Triode Q4 grounded emitter；3rd load unit circuit includes resistance R12, p-type metal-oxide half field effect transistor Q8, three
Pole pipe Q7 and resistance R13；P-type metal-oxide half field effect transistor Q8 grid is electrically connected to resistance R12 one end and triode Q7 collection
Electrode；P-type metal-oxide half field effect transistor Q8 source electrode is electrically connected to the resistance R12 other ends, and p-type metal-oxide half field effect transistor Q8
Source electrode and resistance R12 between be provided with the 4th node, it is single that the 4th node is electrically connected to the second node, the 3rd node, the 4th load
First circuit, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q8 drain electrode electrical connection
To LED；Triode Q7 base stage is electrically connected to resistance R13 one end；The resistance R13 other ends are electrically connected to single-chip microcomputer U2 PC5
Pin；Triode Q7 grounded emitter；4th load unit circuit include resistance R14, p-type metal-oxide half field effect transistor Q10,
Triode Q9 and resistance R15；P-type metal-oxide half field effect transistor Q10 grid is electrically connected to resistance R14 one end and triode Q9's
Colelctor electrode；P-type metal-oxide half field effect transistor Q10 source electrode is electrically connected to the resistance R14 other ends, and p-type MOSFET crystal
The 5th node is provided between pipe Q10 source electrode and resistance R14, the 5th node is electrically connected to the second node, the 3rd node, the 4th knot
Point, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q10 drain electrode is electrically connected to
LED；Triode Q9 base stage is electrically connected to resistance R15 one end；The PC6 that the resistance R15 other ends are electrically connected to single-chip microcomputer U2 connects
Pin；Triode Q9 grounded emitter；5th load unit circuit includes resistance R16, p-type metal-oxide half field effect transistor Q12, three
Pole pipe Q11 and resistance R17；P-type metal-oxide half field effect transistor Q12 grid is electrically connected to resistance R16 one end and triode Q11's
Colelctor electrode；P-type metal-oxide half field effect transistor Q12 source electrode is electrically connected to the resistance R16 other ends, and p-type MOSFET crystal
The 6th node is provided between pipe Q12 source electrode and resistance R16, the 6th node is electrically connected to the second node, the 3rd node, the 4th knot
Point, the 5th node, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q12 drain electrode is electrically connected to LED；Three poles
Pipe Q11 base stage is electrically connected to resistance R17 one end；The resistance R17 other ends are electrically connected to single-chip microcomputer U2 PC7 pins；Triode
Q11 grounded emitter.
Compared with prior art, the invention has the advantages that：
(1) material that LED automobile steering indicating light is used is LED, radiationless, pollution-free, and service life is long, and theory reaches 50,000
Hour, that is to say, that without changing LED before during motor vehicle liquidation.
(2) by controlling circuit to control LED to realize streamer function so that LED automobile steering indicating light is more eye-catching, effect is pointed out
Fruit is more preferable, and driver forgets to close LED automobile steering indicating light without worry.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of present invention control circuit；
Fig. 2 is the structural representation of reflector of the present invention；
Fig. 3 is the structural representation of another angle of reflector of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to figs. 1 to Fig. 3, the present invention discloses a kind of LED automobile steering indicating light, and it includes reflector 7, LED and control electricity
Road, LED is arranged in reflector, and LED is electrically connected with control circuit；Circuit is controlled to include rectification circuit 1, phase inverter electricity
Road 2, mu balanced circuit 3, single-chip microcomputer U2, filter circuit 4, electrifying self-resetting circuit 5 and load circuit 6；Rectification circuit 1 is electrically connected to
Inverter circuit 2 and mu balanced circuit 3；Electrifying self-resetting circuit 5, filter circuit 4, load circuit 6, inverter circuit 2 are electrically connected
It is connected to single-chip microcomputer U2；LED is electrically connected to load circuit 6.Reflector 7 of the present invention includes head end 71 and tail end 72, and LED is set
Have multiple, and multiple LEDs are attached to tail end, the radiation modality point side luminous intensity distribution of LED of the present invention from the head end of reflector successively
Face is irradiated and two kinds of direct irradiation.
Wherein, rectification circuit 1 includes diode D1, diode D2, diode D3, diode D4, diode D5 and two poles
Pipe D6；Diode D1 one end is electrically connected to inverter circuit and diode D2 one end, and its other end is electrically connected to mu balanced circuit, two
Pole pipe D4 one end, diode D5 one end and load circuit；Diode D4 one end, diode D5 one end are further electrically coupled to voltage stabilizing
Circuit；The diode D2 other ends are electrically connected to inverter circuit and diode D3 one end；The diode D3 other ends are electrically connected to two
The pole pipe D4 other ends and external power supply positive pole；The diode D5 other ends are electrically connected to inverter circuit and diode D6 one end；Two
The pole pipe D6 other ends are grounded；Diode D2 and diode D3 junction is electrically connected to external power supply negative pole.Rectified current of the present invention
The setting on road, for realizing that AC power is become into unidirectional Voltage pulsating direct-current supply supplies LED, voltage stabilizing and limit to power rectifier
Pressure, stable power supply is provided for LED.
Wherein, inverter circuit 2 includes resistance R2, resistance R4, resistance R5, resistance R9, resistance R10, resistance R11, three poles
Pipe Q2 and triode Q5；Triode Q2 base stage is electrically connected to resistance R4 one end and resistance R5 one end, triode Q2 emitter stage
It is electrically connected to the resistance R5 other ends, triode Q5 emitter stage and resistance R11 one end, and triode Q2 emitter stage and resistance
R11 junction ground connection；Triode Q2 colelctor electrode is electrically connected to resistance R2 one end and single-chip microcomputer U2 PD4 pins；Resistance R4
The other end is electrically connected to diode D2 one end and diode D1 one end；Triode Q5 base stage be electrically connected to resistance R10 one end and
The resistance R11 other ends；Triode Q5 colelctor electrode is electrically connected to resistance R9 one end and single-chip microcomputer U2 PD5 pins；Resistance R9 is another
One end is electrically connected to the resistance R2 other ends, and resistance R9 and resistance R2 junction is electrically connected to external power supply positive pole；Resistance R10
The other end is electrically connected to the diode D5 other ends and diode D6 one end.The setting of inverter circuit of the present invention, by input signal
Phasing back 180 degree, for accelerating the speed of service, strengthen load capacity.
Wherein, mu balanced circuit 3 includes three proper Voltagre regulator U1, electric capacity C1, electric capacity C2 and electric capacity C3；Three rectify voltage
Voltage-stablizer U1 Vin pins are electrically connected to electric capacity C1 one end, load circuit, the diode D1 other ends, diode D4 one end and two
Pole pipe D5 one end；The three Vout pins for rectifying Voltagre regulator U1 are electrically connected to electric capacity C2 one end and electric capacity C3 one end, and three ends
Positive voltage voltage-stablizer U1 Vout pins are electrically connected to external power supply positive pole with electric capacity C3 junction；Three rectify Voltagre regulator
U1 GND pins are electrically connected to the electric capacity C1 other ends, the electric capacity C2 other ends and the electric capacity C3 other ends, and three rectify Voltagre regulator
The junction of U1 GND pins and electric capacity C1, electric capacity C2, electric capacity C3 is grounded.The setting of mu balanced circuit of the present invention, for be depressured and
Voltage stabilizing.
Wherein, electrifying self-resetting circuit 5 includes resistance R8 and electric capacity C4；Resistance R8 one end is electrically connected to external power supply positive pole
And filter circuit, its other end is electrically connected to electric capacity C4 one end and single-chip microcomputer U2 NRST pins；The electric capacity C4 other ends are electrically connected
To filter circuit.The setting of electrifying self-resetting circuit of the present invention, for circuit to be recovered to initial state；Its powered on moment, electricity
Hold C4 charging currents maximum, electric capacity C4 is high level equivalent to short circuit, NRST ends, is automatically reset；The voltage at electric capacity C4 two ends reaches
During to external power supply voltage, electric capacity C4 charging currents are 0, and electric capacity C4 is low level equivalent to open circuit, NRST ends, and program is normally transported
OK.
Wherein, filter circuit 4 includes electric capacity C5 and electric capacity C6；Electric capacity C5 one end is electrically connected to electric capacity C6 one end and single-chip microcomputer
U2 Vss pins, its other end is electrically connected to single-chip microcomputer U2 Vcap pins；Electric capacity C6 and electric capacity C5 junction is grounded, and
The first node is provided between electric capacity C6 and electric capacity C5, the first node is electrically connected to the electric capacity C4 other ends；The electric capacity C6 other ends are electrically connected
It is connected to resistance R8 one end and single-chip microcomputer U2 Vdd pins.The setting of filter circuit of the present invention, for eliminate the clutter on electric current and
Higher hamonic wave, makes electric current smooth, plays jamproof effect.
Wherein, load circuit 6 includes multiple identical load unit circuits, multiple load unit circuit in parallel connections；And
After multiple load unit circuit in parallel connections, one end is electrically connected to mu balanced circuit and rectification circuit, and its other end is electrically connected to list
Piece machine U2 and LED.As shown in figure 1, the present invention is so that load circuit includes five load unit circuits as an example, i.e. load circuit 6
Including the first load unit circuit 61, the second load unit circuit 62, the 3rd load unit circuit 63, the 4th load unit circuit
64 and the 5th load unit circuit 65.First load unit circuit includes resistance R1, p-type metal-oxide half field effect transistor Q3, three poles
Pipe Q1 and resistance R3；P-type metal-oxide half field effect transistor Q3 grid is electrically connected to resistance R1 one end and triode Q1 colelctor electrode；
P-type metal-oxide half field effect transistor Q3 source electrode is electrically connected to the resistance R1 other ends, and p-type metal-oxide half field effect transistor Q3 source electrode
The second node is provided between resistance R1, the second node is electrically connected to the second load unit circuit, the 3rd load unit circuit, the
Four load unit circuits, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q3 leakage
Pole is electrically connected to LED；Triode Q1 base stage is electrically connected to resistance R3 one end；The resistance R3 other ends are electrically connected to single-chip microcomputer U2
PC3 pins；Triode Q1 grounded emitter；Second load unit circuit includes resistance R6, p-type metal-oxide half field effect transistor
Q6, triode Q4 and resistance R7；P-type metal-oxide half field effect transistor Q6 grid is electrically connected to resistance R6 one end and triode Q4's
Colelctor electrode；P-type metal-oxide half field effect transistor Q6 source electrode is electrically connected to the resistance R6 other ends, and p-type metal-oxide half field effect transistor
The 3rd node is provided between Q6 source electrode and resistance R6, the 3rd node is electrically connected to the second node, the 3rd load unit circuit, the
Four load unit circuits, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q6 leakage
Pole is electrically connected to LED；Triode Q4 base stage is electrically connected to resistance R7 one end；The resistance R7 other ends are electrically connected to single-chip microcomputer U2
PC4 pins；Triode Q4 grounded emitter；3rd load unit circuit includes resistance R12, p-type MOSFET crystal
Pipe Q8, triode Q7 and resistance R13；P-type metal-oxide half field effect transistor Q8 grid is electrically connected to resistance R12 one end and triode
Q7 colelctor electrode；P-type metal-oxide half field effect transistor Q8 source electrode is electrically connected to the resistance R12 other ends, and p-type MOSFET is brilliant
The 4th node is provided between body pipe Q8 source electrode and resistance R12, the 4th node is electrically connected to the second node, the 3rd node, the 4th
Load unit circuit, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q8 drain electrode
It is electrically connected to LED；Triode Q7 base stage is electrically connected to resistance R13 one end；The resistance R13 other ends are electrically connected to single-chip microcomputer U2
PC5 pins；Triode Q7 grounded emitter；4th load unit circuit includes resistance R14, p-type MOSFET crystal
Pipe Q10, triode Q9 and resistance R15；P-type metal-oxide half field effect transistor Q10 grid is electrically connected to resistance R14 one end and three poles
Pipe Q9 colelctor electrode；P-type metal-oxide half field effect transistor Q10 source electrode is electrically connected to the resistance R14 other ends, and p-type MOS field
Be provided with the 5th node between the source electrode and resistance R14 of imitating transistor Q10, the 5th node be electrically connected to the second node, the 3rd node,
4th node, the 5th load unit circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q10 drain electrode is electrically connected
It is connected to LED；Triode Q9 base stage is electrically connected to resistance R15 one end；The resistance R15 other ends are electrically connected to single-chip microcomputer U2's
PC6 pins；Triode Q9 grounded emitter；5th load unit circuit includes resistance R16, p-type metal-oxide half field effect transistor
Q12, triode Q11 and resistance R17；P-type metal-oxide half field effect transistor Q12 grid is electrically connected to resistance R16 one end and three poles
Pipe Q11 colelctor electrode；P-type metal-oxide half field effect transistor Q12 source electrode is electrically connected to the resistance R16 other ends, and p-type MOS field
Be provided with the 6th node between the source electrode and resistance R16 of imitating transistor Q12, the 6th node be electrically connected to the second node, the 3rd node,
4th node, the 5th node, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q12 drain electrode is electrically connected to LED
Lamp；Triode Q11 base stage is electrically connected to resistance R17 one end；The resistance R17 other ends are electrically connected to single-chip microcomputer U2 PC7 pins；
Triode Q11 grounded emitter.Triode Q1 of the present invention.Triode Q2, triode Q4, triode Q5, triode Q7, three poles
Pipe Q9 and triode Q11 are the triode of NPN type.
Certainly, according to the actual requirements, load circuit of the present invention can set three load unit circuits, six load units
The load power source circuit of circuit, eight load unit circuits or other quantity, the circuit structure and principle of load unit circuit
All same, only need to be parallel with one another by multiple load unit circuits；And according to the difference of load unit circuit quantity, this area
Technical staff, which also needs mutually to tackle single-chip microcomputer U2, to be programmed, and single-chip microcomputer U2 is provided with the pin of respective numbers, load unit electricity
Road is electrically connected on single-chip microcomputer U2 corresponding pin；And the quantity of LED of the present invention and the quantity of load unit circuit are kept
Unanimously.
Single-chip microcomputer U2 of the present invention model is STM8S003F3P6.STM8S003F3P6 single-chip microcomputers U2 of the present invention setting,
So that LED automobile steering indicating light of the present invention realizes following three kinds of streamer functions：
(1) when connecting LED automobile steering indicating light power supply, day portable lighter extinguish, LED is from most head end/tail end of reflector, with 1
Individual LED is one group, and time interval is 0.06-0.5 seconds, is lighted to caudal end/head end streamer of reflector, and total used time is
0.7-6 seconds, then the LED on reflector all light；When LED automobile steering indicating light extinguish 2S after, day portable lighter light.
(2) when connecting LED automobile steering indicating light power supply, day portable lighter extinguish, LED is from most head end/tail end of reflector, with 2
Individual LED is one group, and time interval is 0.11-0.5 seconds, is lighted to caudal end/head end streamer of reflector, and total used time is
0.7-3 seconds, then the LED on reflector all light；When LED automobile steering indicating light extinguish 2S after, day portable lighter light.
(3) when connecting LED automobile steering indicating light power supply, day portable lighter extinguish, LED is from most head end/tail end of reflector, with 3
Individual LED is one group, and time interval is 0.17-0.5 seconds, is lighted to caudal end/head end streamer of reflector, and total used time is
0.7-2 seconds, then the LED on reflector all light；When LED automobile steering indicating light extinguish 2S after, day portable lighter light.
Certainly, those skilled in the art can according to demand, on the basis of STM8S003F3P6 single-chip microcomputers U2 further
Programming so that single-chip microcomputer U2 can electrically connect more load unit circuits, and may be such that LED automobile steering indicating light of the present invention is realized
Following other forms streamer function, for example can be using the LED of 4 LEDs, 5 LEDs or other quantity as one group.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1.LED turn signals, it is characterised in that it includes reflector, LED and control circuit, LED is arranged on reflector
It is interior, and LED is with controlling circuit to electrically connect；
Circuit is controlled to include rectification circuit, inverter circuit, mu balanced circuit, single-chip microcomputer U2, filter circuit, electrifying self-resetting circuit
And load circuit；Rectification circuit is electrically connected to inverter circuit and mu balanced circuit；Electrifying self-resetting circuit, filter circuit, load
Circuit, inverter circuit are electrically connected to single-chip microcomputer U2；LED is electrically connected to load circuit；
Single-chip microcomputer U2 model is STM8S003F3P6；
Rectification circuit includes diode D1, diode D2, diode D3, diode D4, diode D5 and diode D6；Diode
D1 one end is electrically connected to inverter circuit and diode D2 one end, its other end be electrically connected to mu balanced circuit, diode D4 one end,
Diode D5 one end and load circuit；Diode D4 one end, diode D5 one end are further electrically coupled to mu balanced circuit；Diode
The D2 other ends are electrically connected to inverter circuit and diode D3 one end；The diode D3 other ends are electrically connected to the diode D4 other ends
With external power supply positive pole；The diode D5 other ends are electrically connected to inverter circuit and diode D6 one end；The diode D6 other ends
Ground connection；Diode D2 and diode D3 junction is electrically connected to external power supply negative pole.
2. LED automobile steering indicating light as claimed in claim 1, it is characterised in that inverter circuit include resistance R2, resistance R4,
Resistance R5, resistance R9, resistance R10, resistance R11, triode Q2 and triode Q5；
Triode Q2 base stage is electrically connected to resistance R4 one end and resistance R5 one end, and triode Q2 emitter stage is electrically connected to resistance
The R5 other ends, triode Q5 emitter stage and resistance R11 one end, and the junction of triode Q2 emitter stage and resistance R11 connects
Ground；Triode Q2 colelctor electrode is electrically connected to resistance R2 one end and single-chip microcomputer U2 PD4 pins；The resistance R4 other ends are electrically connected to
Diode D2 one end and diode D1 one end；
Triode Q5 base stage is electrically connected to resistance R10 one end and the resistance R11 other ends；Triode Q5 colelctor electrode is electrically connected to
Resistance R9 one end and single-chip microcomputer U2 PD5 pins；The resistance R9 other ends are electrically connected to the resistance R2 other ends, and resistance R9 and resistance
R2 junction is electrically connected to external power supply positive pole；The resistance R10 other ends are electrically connected to the diode D5 other ends and diode D6
One end.
3. LED automobile steering indicating light as claimed in claim 2, it is characterised in that mu balanced circuit includes three and rectifies Voltagre regulator
U1, electric capacity C1, electric capacity C2 and electric capacity C3；The three Vin pins for rectifying Voltagre regulator U1 are electrically connected to electric capacity C1 one end, load electricity
Road, the diode D1 other ends, diode D4 one end and diode D5 one end；The three Vout pins for rectifying Voltagre regulator U1 are electrically connected
Electric capacity C2 one end and electric capacity C3 one end are connected to, and the junction of the three Vout pins and electric capacity C3 for rectifying Voltagre regulator U1 is electrically connected
It is connected to external power supply positive pole；The three GND pins for rectifying Voltagre regulator U1 are electrically connected to the electric capacity C1 other ends, the electric capacity C2 other ends
Connect with the junction of the electric capacity C3 other ends, and the three GND pins and electric capacity C1, electric capacity C2, electric capacity C3 for rectifying Voltagre regulator U1
Ground.
4. LED automobile steering indicating light as claimed in claim 3, it is characterised in that electrifying self-resetting circuit includes resistance R8 and electricity
Hold C4；Resistance R8 one end is electrically connected to external power supply positive pole and filter circuit, and its other end is electrically connected to electric capacity C4 one end and list
Piece machine U2 NRST pins；The electric capacity C4 other ends are electrically connected to filter circuit.
5. LED automobile steering indicating light as claimed in claim 4, it is characterised in that filter circuit includes electric capacity C5 and electric capacity C6；Electricity
Hold C5 one end and be electrically connected to electric capacity C6 one end and single-chip microcomputer U2 Vss pins, its other end is electrically connected to single-chip microcomputer U2 Vcap
Pin；Electric capacity C6 and electric capacity C5 junction is grounded, and the first node is provided between electric capacity C6 and electric capacity C5, and the first node is electrically connected
It is connected to the electric capacity C4 other ends；The electric capacity C6 other ends are electrically connected to resistance R8 one end and single-chip microcomputer U2 Vdd pins.
6. LED automobile steering indicating light as claimed in claim 5, it is characterised in that load circuit includes multiple identicals and loads list
First circuit, multiple load unit circuit in parallel connections；And after multiple load unit circuit in parallel connections, one end is electrically connected to voltage stabilizing
Circuit and rectification circuit, its other end are electrically connected to single-chip microcomputer U2 and LED.
7. LED automobile steering indicating light as claimed in claim 6, it is characterised in that load circuit includes five load unit circuits,
It includes the first load unit circuit, the second load unit circuit, the 3rd load unit circuit, the 4th load unit circuit and
Five load unit circuits.
8. LED automobile steering indicating light as claimed in claim 7, it is characterised in that the first load unit circuit includes resistance R1, P
Type metal-oxide half field effect transistor Q3, triode Q1 and resistance R3；P-type metal-oxide half field effect transistor Q3 grid is electrically connected to resistance
R1 one end and triode Q1 colelctor electrode；P-type metal-oxide half field effect transistor Q3 source electrode is electrically connected to the resistance R1 other ends, and P
The second node is provided between type metal-oxide half field effect transistor Q3 source electrode and resistance R1, the second node is electrically connected to the second load list
First circuit, the 3rd load unit circuit, the 4th load unit circuit, the 5th load unit circuit, mu balanced circuit and rectification circuit；
P-type metal-oxide half field effect transistor Q3 drain electrode is electrically connected to LED；Triode Q1 base stage is electrically connected to resistance R3 one end；Electricity
The resistance R3 other ends are electrically connected to single-chip microcomputer U2 PC3 pins；Triode Q1 grounded emitter；
Second load unit circuit includes resistance R6, p-type metal-oxide half field effect transistor Q6, triode Q4 and resistance R7；P-type gold oxygen
Half field effect transistor Q6 grid is electrically connected to resistance R6 one end and triode Q4 colelctor electrode；P-type metal-oxide half field effect transistor
Q6 source electrode is electrically connected between the resistance R6 other ends, and p-type metal-oxide half field effect transistor Q6 source electrode and resistance R6 provided with the
Three nodes, the 3rd node is electrically connected to the second node, the 3rd load unit circuit, the 4th load unit circuit, the 5th load list
First circuit, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q6 drain electrode is electrically connected to LED；Triode Q4's
Base stage is electrically connected to resistance R7 one end；The resistance R7 other ends are electrically connected to single-chip microcomputer U2 PC4 pins；Triode Q4 emitter stage
Ground connection；
3rd load unit circuit includes resistance R12, p-type metal-oxide half field effect transistor Q8, triode Q7 and resistance R13；P-type gold
Oxygen half field effect transistor Q8 grid is electrically connected to resistance R12 one end and triode Q7 colelctor electrode；P-type MOSFET crystal
Pipe Q8 source electrode is electrically connected between the resistance R12 other ends, and p-type metal-oxide half field effect transistor Q8 source electrode and resistance R12 and set
There is the 4th node, the 4th node is electrically connected to the second node, the 3rd node, the 4th load unit circuit, the 5th load unit electricity
Road, mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q8 drain electrode is electrically connected to LED；Triode Q7 base stage
It is electrically connected to resistance R13 one end；The resistance R13 other ends are electrically connected to single-chip microcomputer U2 PC5 pins；Triode Q7 emitter stage connects
Ground；
4th load unit circuit includes resistance R14, p-type metal-oxide half field effect transistor Q10, triode Q9 and resistance R15；P-type
Metal-oxide half field effect transistor Q10 grid is electrically connected to resistance R14 one end and triode Q9 colelctor electrode；P-type MOSFET
Transistor Q10 source electrode is electrically connected to the resistance R14 other ends, and p-type metal-oxide half field effect transistor Q10 source electrode and resistance R14
Between be provided with the 5th node, the 5th node be electrically connected to the second node, the 3rd node, the 4th node, the 5th load unit circuit,
Mu balanced circuit and rectification circuit；P-type metal-oxide half field effect transistor Q10 drain electrode is electrically connected to LED；Triode Q9 base stage electricity
It is connected to resistance R15 one end；The resistance R15 other ends are electrically connected to single-chip microcomputer U2 PC6 pins；Triode Q9 emitter stage connects
Ground；
5th load unit circuit includes resistance R16, p-type metal-oxide half field effect transistor Q12, triode Q11 and resistance R17；P-type
Metal-oxide half field effect transistor Q12 grid is electrically connected to resistance R16 one end and triode Q11 colelctor electrode；P-type MOSFET
Transistor Q12 source electrode is electrically connected to the resistance R16 other ends, and p-type metal-oxide half field effect transistor Q12 source electrode and resistance R16
Between be provided with the 6th node, the 6th node is electrically connected to the second node, the 3rd node, the 4th node, the 5th node, mu balanced circuit
And rectification circuit；P-type metal-oxide half field effect transistor Q12 drain electrode is electrically connected to LED；Triode Q11 base stage is electrically connected to
Resistance R17 one end；The resistance R17 other ends are electrically connected to single-chip microcomputer U2 PC7 pins；Triode Q11 grounded emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010118.7A CN104553970B (en) | 2015-01-08 | 2015-01-08 | LED automobile steering indicating light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010118.7A CN104553970B (en) | 2015-01-08 | 2015-01-08 | LED automobile steering indicating light |
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| Publication Number | Publication Date |
|---|---|
| CN104553970A CN104553970A (en) | 2015-04-29 |
| CN104553970B true CN104553970B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510010118.7A Expired - Fee Related CN104553970B (en) | 2015-01-08 | 2015-01-08 | LED automobile steering indicating light |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107972572A (en) * | 2017-10-31 | 2018-05-01 | 马瑞利汽车零部件(芜湖)有限公司 | A kind of simulation streamer steering indicating light control method based on software delay control |
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| CN1139837A (en) * | 1996-05-08 | 1997-01-08 | 甄广国 | Flash relay oscillating circuit |
| CN2252136Y (en) * | 1996-03-29 | 1997-04-16 | 苏胜仰 | Vehicle auxiliary alarm light |
| EP0876935B1 (en) * | 1997-05-07 | 2004-12-08 | MAN Nutzfahrzeuge Aktiengesellschaft | Selector lever and operation of a cruise controller with inter-vehicle distance regulator |
| WO2007006607A1 (en) * | 2005-07-14 | 2007-01-18 | Robert Bosch Gmbh | Indicator switch for a motor vehicle, comprising an adaptive speed regulator |
| CN101083859A (en) * | 2007-07-03 | 2007-12-05 | 清华大学 | Apparatus for controlling automobile steering light |
| CN204472673U (en) * | 2015-01-08 | 2015-07-15 | 台州市伊悦尼塑模有限公司 | LED automobile steering indicating light |
-
2015
- 2015-01-08 CN CN201510010118.7A patent/CN104553970B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2252136Y (en) * | 1996-03-29 | 1997-04-16 | 苏胜仰 | Vehicle auxiliary alarm light |
| CN1139837A (en) * | 1996-05-08 | 1997-01-08 | 甄广国 | Flash relay oscillating circuit |
| EP0876935B1 (en) * | 1997-05-07 | 2004-12-08 | MAN Nutzfahrzeuge Aktiengesellschaft | Selector lever and operation of a cruise controller with inter-vehicle distance regulator |
| WO2007006607A1 (en) * | 2005-07-14 | 2007-01-18 | Robert Bosch Gmbh | Indicator switch for a motor vehicle, comprising an adaptive speed regulator |
| CN101083859A (en) * | 2007-07-03 | 2007-12-05 | 清华大学 | Apparatus for controlling automobile steering light |
| CN204472673U (en) * | 2015-01-08 | 2015-07-15 | 台州市伊悦尼塑模有限公司 | LED automobile steering indicating light |
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| Publication number | Publication date |
|---|---|
| CN104553970A (en) | 2015-04-29 |
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Effective date of registration: 20160712 Address after: 310000, Taizhou, Zhejiang Province, outside the town along the Yangtze River Applicant after: ZHEJIANG JINJU AUTO PARTS CO.,LTD. Address before: 317000, Taizhou, Zhejiang Province, outside the town along the Yangtze River Applicant before: TAIZHOU YIYUENI MOULD CO.,LTD. |
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