CN105059179A - Non-contact turn signal flasher of car - Google Patents
Non-contact turn signal flasher of car Download PDFInfo
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- CN105059179A CN105059179A CN201510496427.XA CN201510496427A CN105059179A CN 105059179 A CN105059179 A CN 105059179A CN 201510496427 A CN201510496427 A CN 201510496427A CN 105059179 A CN105059179 A CN 105059179A
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Abstract
The invention provides a non-contact turn signal flasher of a car. The non-contact turn signal flasher is characterized in that a 12V direct-current power source, a square wave oscillating circuit, a turn signal flash frequency regulating circuit and a turn signal power driving and turn signal switching circuit are included; the selection type of an operational amplifier IC1 in the square wave oscillating circuit is LM324. Compared with a flasher of a relay, the non-contact turn signal flasher of the car has the advantages of being simple in circuit structure, wide in application range of the power voltage, stable in flash frequency of a turn signal, free of contact ablation phenomenon of the relay, little in power consumption, high in reliability, vibration-resisting, low in manufacture cost and the like and is suitable for connecting flash indications of various motor vehicle turn signals.
Description
Technical field
The invention belongs to electronics and technical field of automotive electronics, is about a kind of automobile contactless indicator light flasher.
Background technology
When self-propelled vehicle is intended turning to, the indicator lamp that the steering indicating light opening flicker in advance reminds all around vehicle and surrounding pedestrian to note, steering indicating light mode of operation is all interval flickers.By textural classification: steering indicating light flashing device can be divided into resistance wire form, condenser and electronic type three kinds.Wherein, resistance wire form can be divided into again electrothermic type and tab style (flip-over type), and electronic type can divide hybrid (having relay) and full electronic (non-relay).Such as flip-over type flasher, utilizes heating effect of current principle, to expand with heat and contract with cold for power, makes spring leaf produce abrupt change and controls to be switched on or switched off contact, realize steering indicating light flicker.
The square-wave oscillator circuit that automobile contactless indicator light flasher of the present invention is made up of op amp and steering indicating light power driving circuit form, it is compared with relay flasher, have the features such as circuit structure is succinct, power line voltage applicable area is wide, steering indicating light flicker frequency is stable, non-relay pitting of contact, consumption of current are few, reliability is high, vibration resistance, cost of manufacture are low, applicable refuting connects various power actuated vehicle steering indicating light flicker instruction.
Below describe in detail automobile contactless indicator light flasher of the present invention necessity involved in implementation process, guardian technique content.
Summary of the invention
Goal of the invention and beneficial effect: the square-wave oscillator circuit that automobile contactless indicator light flasher of the present invention is made up of op amp and steering indicating light power driving circuit form, it is compared with relay flasher, have the features such as circuit structure is succinct, power line voltage applicable area is wide, steering indicating light flicker frequency is stable, non-relay pitting of contact, consumption of current are few, reliability is high, vibration resistance, cost of manufacture are low, applicable refuting connects various power actuated vehicle steering indicating light flicker instruction.
Circuit working principle: the square-wave oscillator circuit in automobile contactless indicator light flasher is made up of op amp IC1 (its model is LM324), resistance R1, resistance R2, resistance R3, electric capacity C1 and resistance R4.The 3rd pin input end of op amp IC1 is VREF (Voltage Reference), and value is 1/2 direct current power source voltage, and the bleeder circuit that it consists of resistance R1 and resistance R2 obtains.Integrating circuit is made up of resistance R4, electric capacity C1, plays negative feedback by integrating circuit.First determine resistance R2 and resistance R3 resistance, make resistance R2/ (R2+R3)=0.5, then square wave oscillation frequency is f=1/2R4C1, the capacity that in circuit, chemical capacitor C1 is selected is 3.3 μ F, the resistance that resistance R4 selectes is 15K Ω, then f=1.25Hz, changes the parameter of chemical capacitor C1 or resistance R4, can change square wave oscillation frequency.
Use N channel high power field effect transistor VT1 as the power drive element of steering indicating light L1 ~ L4, when automobile is turned left, will stir pole changer SW and stir to the left side, the steering indicating light L1 on the automobile left side and steering indicating light L2 is switched on direct supply and glittering; When automobile bends to right, will stir pole changer SW and stir to the right, the steering indicating light L3 on the right of automobile and steering indicating light L4 is switched on direct supply and glittering.
Technical characteristic: automobile contactless indicator light flasher, it comprises 12V direct supply, square-wave oscillator circuit, steering indicating light flicker frequency regulating circuit, steering indicating light power drive and steering indicating light commutation circuit, it is characterized in that:
Square-wave oscillator circuit: it is made up of op amp IC1, resistance R1, resistance R2 and resistance R3, the model that op amp IC1 selects is LM324, the 4th pin connection circuit positive pole VCC of op amp IC1, one end of the 3rd pin connecting resistance R1 of op amp IC1 and one end of resistance R2 and one end of resistance R3, the other end connection circuit positive pole VCC of resistance R1,1st pin of another termination op amp IC1 of the other end of resistance R2 and the 11st pin connection circuit ground GND, the resistance R3 of op amp IC1;
Steering indicating light flicker frequency regulating circuit: it is made up of resistance R4 and chemical capacitor C1,2nd pin of op amp IC1 connects positive pole and resistance R4 one end of chemical capacitor C1,1st pin of another termination op amp IC1 of negative pole connection circuit ground GND, the resistance R4 of chemical capacitor C1;
Steering indicating light power drive and steering indicating light commutation circuit: it is by N channel high power field effect transistor VT1, resistance R5, pole changer SW and steering indicating light L1 ~ L4 forms, 1st pin of op amp IC1 connects the grid of N channel high power field effect transistor VT1 by resistance R5, the drain D connection circuit positive pole VCC of N channel high power field effect transistor VT1, the source S of N channel high power field effect transistor VT1 switches through the common port to interrupteur SW, the contact, left side of pole changer SW connects one end of steering indicating light L1 and one end of steering indicating light L2, the other end of steering indicating light L1 and the other end connection circuit ground GND of steering indicating light L2, the contact, right side of pole changer SW connects one end of steering indicating light L3 and one end of steering indicating light L4, the other end of steering indicating light L3 and the other end connection circuit ground GND of steering indicating light L4,
The positive pole of 12V direct supply is connected with circuit anode VCC, the negative pole connection circuit ground GND of 12V direct supply.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the invention provides an automobile contactless indicator light flasher; SW in accompanying drawing 1 is the special pole changer of steering lamp for motor vehicle, selects the single-pole triple-throw switch with middle set.
Detailed description of the invention
According to the automobile contactless indicator light flasher circuit working schematic diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in summary of the invention, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The technical parameter of components and parts and selection requirement
| Element number | Components and parts title | Model or index | Quantity | Remarks |
| IC1 | LM324 | Dual inline type DIP | 1 | 14 pins |
| VT1 | N channel high power field effect transistor | IRFZ22、TO—220 | 1 | Or select IRFZ30 |
| R1～R4 | Metal film resistor | 15KΩ | 4 | 1/4W |
| R5 | Metal film resistor | 82KΩ | 1 | 1/4W |
| C1 | Chemical capacitor | 3.3μF/25V | 1 | Time action |
| SW | There is middle set single-pole triple-throw switch | 6A/50V | 1 | Automobile pole changer |
| L1～L4 | Steering indicating light | Vdc is 12V | 4 | Turn to bulb |
IC1 is op amp, and the model selected is LM324, and packing forms is 14 pin dual-in-line plastic packagings; Its inside comprises 4 groups of identical op amps of form, and except direct supply shares, separate between 4 groups of op amps, the present embodiment has only used 1 group wherein;
Circuit production main points and circuit debugging
Because the circuit structure of automobile contactless indicator light flasher is fairly simple, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present invention does not substantially need to carry out debugging and can normally work;
Square-wave oscillator circuit oscillation frequency adjusts: the technical parameter changing chemical capacitor C1 or resistance R4, can change square wave oscillation frequency; Also change the flicker frequency of steering indicating light by the resistance of regulating resistance R1 or resistance R2, the flicker frequency of steering indicating light is 1.2Hz.
Circuit structure design of the present invention, components' placement; and the shape of its outward appearance and size etc. are not all gordian techniquies of the present invention; neither application claims protection guardian technique content; because not affecting the realization of specific implementation process of the present invention and goal of the invention, therefore do not illustrate one by one in the description.
Claims (1)
1. an automobile contactless indicator light flasher, it comprises 12V direct supply, square-wave oscillator circuit, steering indicating light flicker frequency regulating circuit, steering indicating light power drive and steering indicating light commutation circuit, it is characterized in that:
Described square-wave oscillator circuit is made up of op amp IC1, resistance R1, resistance R2 and resistance R3, the model that op amp IC1 selects is LM324, the 4th pin connection circuit positive pole VCC of op amp IC1, one end of the 3rd pin connecting resistance R1 of op amp IC1 and one end of resistance R2 and one end of resistance R3, the other end connection circuit positive pole VCC of resistance R1,1st pin of another termination op amp IC1 of the other end of resistance R2 and the 11st pin connection circuit ground GND, the resistance R3 of op amp IC1;
Described steering indicating light flicker frequency regulating circuit is made up of resistance R4 and chemical capacitor C1,2nd pin of op amp IC1 connects positive pole and resistance R4 one end of chemical capacitor C1,1st pin of another termination op amp IC1 of negative pole connection circuit ground GND, the resistance R4 of chemical capacitor C1;
Described steering indicating light power drive and steering indicating light commutation circuit are by N channel high power field effect transistor VT1, resistance R5, pole changer SW and steering indicating light L1 ~ L4 forms, 1st pin of op amp IC1 connects the grid of N channel high power field effect transistor VT1 by resistance R5, the drain D connection circuit positive pole VCC of N channel high power field effect transistor VT1, the source S of N channel high power field effect transistor VT1 switches through the common port to interrupteur SW, the contact, left side of pole changer SW connects one end of steering indicating light L1 and one end of steering indicating light L2, the other end of steering indicating light L1 and the other end connection circuit ground GND of steering indicating light L2, the contact, right side of pole changer SW connects one end of steering indicating light L3 and one end of steering indicating light L4, the other end of steering indicating light L3 and the other end connection circuit ground GND of steering indicating light L4,
The positive pole of described 12V direct supply is connected with circuit anode VCC, the negative pole connection circuit ground GND of 12V direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496427.XA CN105059179A (en) | 2015-08-13 | 2015-08-13 | Non-contact turn signal flasher of car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496427.XA CN105059179A (en) | 2015-08-13 | 2015-08-13 | Non-contact turn signal flasher of car |
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| CN105059179A true CN105059179A (en) | 2015-11-18 |
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| CN201510496427.XA Pending CN105059179A (en) | 2015-08-13 | 2015-08-13 | Non-contact turn signal flasher of car |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564299A (en) * | 2016-03-11 | 2016-05-11 | 周芸 | Passenger carrying, empty, and returning three-state indication lamp of taxi |
| CN105848352A (en) * | 2016-05-08 | 2016-08-10 | 黄宇嵩 | Vehicle fault triangular LED dynamic warning lamp |
| CN109572542A (en) * | 2018-10-31 | 2019-04-05 | 瑞立集团瑞安汽车零部件有限公司 | Full automatic vehicle electronic flasher |
| CN109878410A (en) * | 2019-04-12 | 2019-06-14 | 福建船政交通职业学院 | A kind of rainfall detection multi gear switching system of vane type flasher |
| CN116118613A (en) * | 2023-02-09 | 2023-05-16 | 常熟理工学院 | Control method and system for flicker frequency of automobile steering signal lamp |
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| CN2137614Y (en) * | 1992-08-13 | 1993-07-07 | 王振武 | Controlling device for direction-changing indicator lamp of motorvehicle |
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| CN102673466A (en) * | 2012-05-31 | 2012-09-19 | 洪珍 | Electronic-mode flashing circuit of steering lamp of motor vehicle |
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| CN204956270U (en) * | 2015-08-13 | 2016-01-13 | 何林 | Indicator flashing amber that car is contactless |
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2015
- 2015-08-13 CN CN201510496427.XA patent/CN105059179A/en active Pending
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| CN2137614Y (en) * | 1992-08-13 | 1993-07-07 | 王振武 | Controlling device for direction-changing indicator lamp of motorvehicle |
| CN2656215Y (en) * | 2003-10-12 | 2004-11-17 | 蔡卫宁 | Flasher for motor-driven vehicle |
| CN102673466A (en) * | 2012-05-31 | 2012-09-19 | 洪珍 | Electronic-mode flashing circuit of steering lamp of motor vehicle |
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| 钟显南: "汽车方向灯闪光器", 《电子报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564299A (en) * | 2016-03-11 | 2016-05-11 | 周芸 | Passenger carrying, empty, and returning three-state indication lamp of taxi |
| CN105848352A (en) * | 2016-05-08 | 2016-08-10 | 黄宇嵩 | Vehicle fault triangular LED dynamic warning lamp |
| CN109572542A (en) * | 2018-10-31 | 2019-04-05 | 瑞立集团瑞安汽车零部件有限公司 | Full automatic vehicle electronic flasher |
| CN109878410A (en) * | 2019-04-12 | 2019-06-14 | 福建船政交通职业学院 | A kind of rainfall detection multi gear switching system of vane type flasher |
| CN109878410B (en) * | 2019-04-12 | 2023-04-07 | 福建船政交通职业学院 | Rainfall detection multi-gear switching system of wing-type flasher |
| CN116118613A (en) * | 2023-02-09 | 2023-05-16 | 常熟理工学院 | Control method and system for flicker frequency of automobile steering signal lamp |
| CN116118613B (en) * | 2023-02-09 | 2023-07-21 | 常熟理工学院 | Control method and system for flicker frequency of automobile steering signal lamp |
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Application publication date: 20151118 |