CN103057464A

CN103057464A - Electronic turn signal lamp controller of motor vehicle

Info

Publication number: CN103057464A
Application number: CN 201310000545
Authority: CN
Inventors: 吴建堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-04
Filing date: 2013-01-04
Publication date: 2013-04-24

Abstract

The invention discloses an electronic turn signal lamp controller of a motor vehicle. The electronic turn signal lamp controller of the motor vehicle comprises a 12-24V direct-current power source, an astable multivibrator circuit, a power driving circuit and a turn signal lamp switching circuit, and is characterized in that a time-base circuit IC1 in the astable multivibrator circuit is an NE555 time-base circuit. Turn signal lamps are started to flicker in advance when the motor vehicle is about to turn, so that vehicles around the motor vehicle and surrounding pedestrians are minded of paying attention to the important indicator lamps. Compared with a relay type flicker, the electronic turn signal lamp controller of the motor vehicle comprises the driving circuit and an oscillator with the time-base circuit, has the advantages of simple circuit structure, wide power voltage adaptability range, stable flicker frequency, zero ablation of contacts of relays, low power consumption, high reliability, vibration resistance, low manufacturing cost and the like, and is applicable to flickering of various turn signal lamps of motor vehicles.

Description

Motor vehicle electronic formula steering indicating light controller

Technical field

The invention belongs to electronics and technical field of automotive electronics, is about a kind of motor vehicle electronic formula steering indicating light controller.

Background technology

When self-propelled vehicle was intended turning to, the steering indicating light of opening in advance flicker was reminded vehicle all around and the indicator lamp noted of pedestrian on every side.The steering indicating light mode of operation is intermittently flicker.By textural classification: the steering indicating light flashing device can be divided into three kinds of a resistance silk formula, condenser and electronic types.Wherein, resistance silk formula can be divided into again electrothermic type and tab style (flip-over type), and electronic type can be divided hybrid (relay is arranged) and full electronic (non-relay).Such as the flip-over type flasher, utilize the heating effect of current principle, to expand with heat and contract with cold as power, make spring leaf produce abrupt change, control and be switched on or switched off the contact, realize the steering indicating light flicker.　

Motor vehicle electronic formula steering indicating light controller of the present invention is comprised of time base circuit oscillator and driving circuit, it is compared with the flasher that relay is arranged, have that circuit structure is succinct, the power line voltage applicable area is wide, the steering indicating light flicker frequency is stable, non-relay pitting of contact phenomenon, the advantage such as consumption of current is few, reliability is high, vibration resistance, cost of manufacture are low, be applicable to the flicker indication of various power actuated vehicle steering indicating lights.

The circuit that below describes motor vehicle electronic formula steering indicating light controller of the present invention in detail related relevant technologies content in implementation process.

Summary of the invention

Goal of the invention and beneficial effect: intend opening in advance when turning to the flicker steering indicating light at self-propelled vehicle, to remind vehicle all around and the important indicator lamp noted of pedestrian on every side.Motor vehicle electronic formula steering indicating light controller of the present invention is comprised of time base circuit oscillator and driving circuit, it is compared with the relay system flasher is arranged, the advantage such as have that circuit structure is succinct, the power line voltage applicable area is wide, flicker frequency is stable, non-relay pitting of contact phenomenon, little power consumption, reliability height, vibration resistance, cost of manufacture are low is applicable to various power actuated vehicles and turns to the flicker of steering indicating light to indicate.

Technical characterictic: motor vehicle electronic formula steering indicating light controller, it is comprised of 12～24V direct supply, stable multi-oscillation circuit, power driving circuit and steering indicating light commutation circuit, and its feature comprises:

The stable multi-oscillation circuit: it is by time base circuit IC1, resistance R 1, resistance R 2, timing capacitor C1 and capacitor C 2 form, the model that time base circuit IC1 selects is NE555, the 2nd pin of time base circuit IC1 and the 6th pin connect the end of timing capacitor C1 and an end of resistance R 2, the 7th pin of another termination time base circuit IC1 of resistance R 2 and an end of resistance R 1, the anodal VCC of the other end connection circuit of resistance R 1, the 1st pin connection circuit ground GND of the other end of timing capacitor C1 and time base circuit IC1, the 5th pin of time base circuit IC1 passes through capacitor C 2 connection circuit ground GND, the anodal VCC of the 4th pin of time base circuit IC1 and the 8th pin connection circuit;

Power driving circuit and steering indicating light commutation circuit: it is by N channel high power field effect transistor VT1, resistance R 3, resistance R 4, pole changer SW and steering indicating light L1～L4 forms, the 3rd pin of time base circuit IC1 is by the end of resistance R 3 connecting resistance R4 and the grid of N channel high power field effect transistor VT1, the source electrode connection circuit ground GND of N channel high power field effect transistor VT1, the common port to interrupteur SW is switched through in the drain electrode of N channel high power field effect transistor VT1, the contact, left side of pole changer SW connects the end of steering indicating light L1 and the end of steering indicating light L2, the anodal VCC of the other end connection circuit of the other end of steering indicating light L1 and steering indicating light L2, the contact, right side of pole changer SW connects the end of steering indicating light L3 and the end of steering indicating light L4, the anodal VCC of the other end connection circuit of the other end of steering indicating light L3 and steering indicating light L4.

12～24V dc power anode links to each other with circuit anode VCC, 12～24V dc power cathode connection circuit ground GND.

The circuit working principle: motor vehicle electronic formula steering indicating light controller forms the stable multi-oscillation circuit by time base circuit IC1 and resistance R 1, resistance R 2, capacitor C 1, the oscillation frequency of oscillating circuit is 1.2Hz, with the power drive switch of N channel high power field effect transistor VT1 as steering indicating light L1～L4, when self-propelled vehicle is turned left, to stir pole changer SW and stir to the left side, the steering indicating light L1 on the self-propelled vehicle left side and steering indicating light L2 are switched on power supply and are glittering; When self-propelled vehicle bends to right, will stir pole changer SW and stir to the right, the steering indicating light L3 on self-propelled vehicle the right and steering indicating light L4 are switched on power supply and glittering.

Description of drawings

Accompanying drawing 1 is the embodiment circuit working schematic diagram that the invention provides a motor vehicle electronic formula steering indicating light controller; SW in the accompanying drawing 1 is the special-purpose pole changer of steering lamp for motor vehicle, selects the single-pole triple-throw switch with middle set.

The specific embodiment

Circuit working schematic diagram and description of drawings according to the steering indicating light of motor vehicle electronic formula shown in the accompanying drawing 1 controller, and according to the annexation between the components and parts in the described each several part circuit of summary of the invention, and the components and parts technical parameter described in the embodiment requires to implement to realize the present invention.

Components and parts title and main technical details

Element number haoHAO number	The components and parts title	Model or index	Quantity	Remarks
					IC1	NE555	Dual inline type DIP	1	8 of pins
VT1	N channel high power field effect transistor	IRFZ22、TO—220?	1	Or select IRFZ30
					R1	Metal film resistor	510KΩ		1	1/4W
R2	Metal film resistor	510KΩ		1							1/4W
					R3	Metal film resistor	4.7KΩ	1	1/4W
R4	Metal film resistor	10KΩ		1						1/4W
					C1	Chemical capacitor	1μF/35V	1	Time action
C2	Chemical capacitor	0.01μF/40V	1	Vertical
					L1～L4	Steering indicating light		4
SW	Middle set single-pole triple-throw switch is arranged	6A/50V	1	The automobile pole changer

Circuit production main points and circuit debugging

1. the circuit of motor vehicle electronic formula steering indicating light controller is as long as the electronic devices and components performance of using is intact, annexation according to components and parts shown in the accompanying drawing 1 is welded, and to physics wiring is conscientiously checked and is checked, and install, welding errorless after, circuit does not generally need debugging to work;

2. the oscillation frequency of oscillating circuit is 1.2Hz, and the resistance of regulating resistance R1 or resistance R 2 can change the flicker frequency of steering indicating light.

Claims

1. motor vehicle electronic formula steering indicating light controller, it is comprised of 12～24V direct supply, stable multi-oscillation circuit, power driving circuit and steering indicating light commutation circuit, and its feature comprises:

Described stable multi-oscillation circuit is by time base circuit IC1, resistance R 1, resistance R 2, timing capacitor C1 and capacitor C 2 form, the model that time base circuit IC1 selects is NE555, the 2nd pin of time base circuit IC1 and the 6th pin connect the end of timing capacitor C1 and an end of resistance R 2, the 7th pin of another termination time base circuit IC1 of resistance R 2 and an end of resistance R 1, the anodal VCC of the other end connection circuit of resistance R 1, the 1st pin connection circuit ground GND of the other end of timing capacitor C1 and time base circuit IC1, the 5th pin of time base circuit IC1 passes through capacitor C 2 connection circuit ground GND, the anodal VCC of the 4th pin of time base circuit IC1 and the 8th pin connection circuit;

Described power driving circuit and steering indicating light commutation circuit are by N channel high power field effect transistor VT1, resistance R 3, resistance R 4, pole changer SW and steering indicating light L1～L4 forms, the 3rd pin of time base circuit IC1 is by the end of resistance R 3 connecting resistance R4 and the grid of N channel high power field effect transistor VT1, the source electrode connection circuit ground GND of N channel high power field effect transistor VT1, the common port to interrupteur SW is switched through in the drain electrode of N channel high power field effect transistor VT1, the contact, left side of pole changer SW connects the end of steering indicating light L1 and the end of steering indicating light L2, the anodal VCC of the other end connection circuit of the other end of steering indicating light L1 and steering indicating light L2, the contact, right side of pole changer SW connects the end of steering indicating light L3 and the end of steering indicating light L4, the anodal VCC of the other end connection circuit of the other end of steering indicating light L3 and steering indicating light L4;

Described 12～24V dc power anode links to each other with circuit anode VCC, 12～24V dc power cathode connection circuit ground GND.