CN204956270U - Indicator flashing amber that car is contactless - Google Patents
Indicator flashing amber that car is contactless Download PDFInfo
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- CN204956270U CN204956270U CN201520610540.1U CN201520610540U CN204956270U CN 204956270 U CN204956270 U CN 204956270U CN 201520610540 U CN201520610540 U CN 201520610540U CN 204956270 U CN204956270 U CN 204956270U
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- indicating light
- steering indicating
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- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005669 field effect Effects 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000010356 wave oscillation Effects 0.000 abstract description 5
- 238000002679 ablation Methods 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an indicator flashing amber that car is contactless, its characteristic includes: 12V DC power supply, square wave oscillation circuit, indicator scintillation frequency modulation circuit, indicator power drive and indicator switching circuit, square wave oscillation circuit in the model chooseed for use of operational amplifier IC1 for LM324. Indicator flashing amber that car is contactless compare with the flasher of relay, have that circuit structure is succinct, mains voltage accommodation wide, indicator scintillation frequency stabilization, nos relay contact points ablation phenomen, power consumption is few, the reliability is high, resistant vibration, cost of manufacture low grade characteristics, be suitable for and refute the scintillation instruction that connects various motor vehicles indicators.
Description
Technical field
The utility model 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 described in the utility model 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 described in the utility model necessity involved in implementation process, guardian technique content.
Utility model content
Goal of the invention and beneficial effect: the square-wave oscillator circuit that automobile contactless indicator light flasher described in the utility model 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 utility model 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 utility model content, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the utility model, is further described correlation technique of the present utility model 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 utility model 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 utility model, components' placement; and the shape of its outward appearance and size etc. are not all gordian techniquies of the present utility model; neither the claimed guardian technique content of the utility model; because not affecting the realization of the utility model specific implementation process and utility model object, 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 |
|---|---|---|---|
| CN201520610540.1U CN204956270U (en) | 2015-08-13 | 2015-08-13 | Indicator flashing amber that car is contactless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610540.1U CN204956270U (en) | 2015-08-13 | 2015-08-13 | Indicator flashing amber that car is contactless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204956270U true CN204956270U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520610540.1U Expired - Fee Related CN204956270U (en) | 2015-08-13 | 2015-08-13 | Indicator flashing amber that car is contactless |
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| Country | Link |
|---|---|
| CN (1) | CN204956270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059179A (en) * | 2015-08-13 | 2015-11-18 | 何林 | Non-contact turn signal flasher of car |
-
2015
- 2015-08-13 CN CN201520610540.1U patent/CN204956270U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059179A (en) * | 2015-08-13 | 2015-11-18 | 何林 | Non-contact turn signal flasher of car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Haiqing Inventor before: He Lin |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170216 Address after: Baiyun District of Guangzhou City Juyuan Street Shek hew road 510000 Guangdong province No. 50 A2-A102 Patentee after: GUANGZHOU SANWEI ELECTRONICS CO.,LTD. Address before: 233000 Anhui Province, Bengbu City West Economic Development Zone school HANGHUA area 1-3 Patentee before: He Lin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |