CN103716969B - Small vehicle LED tail and license plate lamp - Google Patents
Small vehicle LED tail and license plate lamp Download PDFInfo
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- CN103716969B CN103716969B CN201410012776.5A CN201410012776A CN103716969B CN 103716969 B CN103716969 B CN 103716969B CN 201410012776 A CN201410012776 A CN 201410012776A CN 103716969 B CN103716969 B CN 103716969B
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- stoplight
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- plate lamp
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 230000036632 reaction speed Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to a kind of small vehicle LED tail and license plate lamp, its feature comprises: 12V DC power supply, stoplight circuit, stop lamp control circuit, white license plate lamp circuit; Described stoplight circuit is composed in parallel by three identical unit of circuit structure, and each unit of stoplight is by 3 red high brightness LEDs and 2 dropping resistor resistance compositions; Described stop lamp control circuit is made up of silicon rectifier diode D1 and stop lamp control switch SW; Described white license plate lamp circuit is composed in parallel by two identical unit of circuit structure, and each unit of white license plate lamp is by 2 red high brightness LEDs and 1 dropping resistor composition.Small vehicle LED tail of the present invention and license plate lamp, its brightness ratio ordinary incandescent lamp is high, in addition it also have that reaction speed is fast, luminous efficiency is high, radiationless, low-power consumption and the feature such as the life-span is long.
Description
Technical field
The invention belongs to technical field of automotive electronics, relate to a kind of small vehicle LED tail and license plate lamp.
Background technology
Make automobile tail light with LED, its brightness ratio ordinary incandescent lamp is high, but also it is fast to have reaction speed.It changes the principle of the luminescence of incandescent lamp tungsten filament and the luminescence of electricity-saving lamp tricolor powder, and adopts electroluminescence.According to data introduction, LED has that luminous efficiency is high, radiationless, low-power consumption and the feature such as the life-span is long.Its luminous efficiency can reach 80 ~ 90%.LED and ordinary incandescent lamp contrast, its result shows: the luminous efficiency of ordinary incandescent lamp is only 12Lm/W, life-span is less than 2000 hours, and the luminous efficiency of the white light emitting diode LED of diameter 5 millimeters is 20 ~ 28Lm/W, and the life-span is greater than 100000 hours.In recent years along with the automotive led solution of LED luminance problem and the decline of cost, its application quantity increased substantially.Automotive led LED can be divided into two kinds according to application: luminous intensity distribution lamp, lampion.Light-distribution lamp mainly refers to taillight, front and back direction indicator lamp, stop lamp, reversing lamp and fog lamp etc.
The circuit of small vehicle LED tail of the present invention and license plate lamp all uses common components and parts to make, and cost of manufacture, less than ten yuan, is well suited for carrying out batch exploitation for factory.
Below describe small vehicle LED tail of the present invention and the relevant technologies content of license plate lamp involved by implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: make automobile tail light with LED, its brightness ratio ordinary incandescent lamp is high, has that reaction speed is fast, luminous efficiency is high in addition, radiationless, low-power consumption and a feature such as the life-span is long.The circuit of small vehicle LED tail of the present invention and license plate lamp all uses common components and parts to make, and cost of manufacture, less than ten yuan, is well suited for carrying out batch exploitation for factory.
Circuit working principle: small vehicle LED tail and license plate lamp are for 12V battery voltage, the conducting voltage of every light-emitting diode is 1.9 ~ 2.1V, use 4 light-emitting diode series connection, its brightness is more stable, every LED pressure drop 1.9V, 4 light-emitting diode series connection pressure drops are 7.6V.
The resistance of 2 dropping resistors in stoplight unit: 12V DC power supply (battery voltage)-0.7V(1N4001 pressure drop)-7.6V(LED × 4)=3.7V, because R=V/I, so 3.7V/25mA=148 Ω, 2 series connection dropping resistors get approximation 150 Ω, then the resistance of 1 stoplight element circuit dropping resistor is 75 Ω.Calculate with same method, the resistance of white license plate lamp unit dropping resistor R1 and dropping resistor R2 is 300 Ω;
Power=the I of every dropping resistor
2× R or V × I, 25mA × Ω=0.05 watt, 25mA × 75, get the metalfilmresistor of approximate power 1/4W;
3 silicon rectifier diode D1 ~ D3 must correctly install in circuit, otherwise unit circuit cisco unity malfunction.
Stop lamp control circuit is made up of silicon rectifier diode D1 and stop lamp control switch SW, when stop lamp control switch SW connects, 12V DC power supply directly accesses stoplight three unit respectively by dropping resistor R4, dropping resistor R6, dropping resistor R8, what its stoplight luminescence when braking was become is brighter, the object of reminding when reaching brake.Because the stop lamp control time is general shorter, the short time can not burn out red high brightness LED in taillight because operating current strengthens.
Technical scheme: small vehicle LED tail and license plate lamp, it comprises 12V DC power supply, stoplight circuit, stop lamp control circuit, white license plate lamp circuit, it is characterized in that:
Stoplight circuit: it is composed in parallel by three identical unit of circuit structure, the each unit of stoplight is by 3 red high brightness LEDs and 2 dropping resistor compositions, the red high brightness light emitting diode LED 5 ~ LED8 of stoplight first module connects mutually, the negative pole of the one termination silicon rectifier diode D3 of dropping resistor R3, one end of another termination dropping resistor R4 of dropping resistor R3 and the negative pole of silicon rectifier diode D1, the positive pole of the red high brightness light emitting diode LED 5 of another termination of dropping resistor R4, the negative pole connection circuit ground GND of red high brightness light emitting diode LED 8, the positive pole connection circuit positive pole VCC of silicon rectifier diode D3, stoplight second unit, stoplight Unit the 3rd is identical with element connected mode with the circuit structure of stoplight first module,
Stop lamp control circuit: it is made up of silicon rectifier diode D1 and stop lamp control switch SW, and the positive pole of silicon rectifier diode D1 connects one end of stop lamp control switch SW, the other end connection circuit positive pole VCC of stop lamp control switch SW;
White license plate lamp circuit: it is composed in parallel by two identical unit of circuit structure, the each unit of white license plate lamp is by 2 red high brightness LEDs and 1 dropping resistor composition, the white high bright degree LED 1 ~ LED2 of white license plate lamp first module connects mutually, the negative pole of the one termination silicon rectifier diode D2 of dropping resistor R1, the positive pole of another termination white high bright degree LED 1 of dropping resistor R1, the negative pole connection circuit ground GND of white high bright degree LED 2, the positive pole connection circuit positive pole VCC of silicon rectifier diode D2, white license plate lamp second unit is identical with element connected mode with the circuit structure of white license plate lamp first module,
12V DC power anode is connected with circuit anode VCC, 12V DC power cathode connection circuit ground GND and automobile bond.
Accompanying drawing explanation
Accompanying drawing 1 is small vehicle LED tail provided by the invention and license plate lamp embodiment circuit working schematic diagram; It is white license plate lamp circuit in little square frame dotted line; Stoplight circuit in large square frame chain-dotted line; The negative pole connection circuit ground GND of 12V DC power supply and automobile bond.
Embodiment
According to the small vehicle LED tail shown in accompanying drawing 1 and license plate lamp circuit working schematic diagram 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 execution mode 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 thereof
LED1 ~ LED16 selects ￠ 5mm, rated operational current to be the high brightness LED of 25mA, and wherein: LED1 ~ LED4 selects 4 white light high brightness LEDs, LED5 ~ LED16 selects 12 red high brightness LEDs;
D1 ~ D3 is silicon rectifier diode, and the model of 3 silicon rectifier diodes is all selected as 1N4001;
The resistance of 2 resistance R1 ~ R2 is 300 Ω; The resistance of 6 resistance R3 ~ R8 is 75 Ω;
SW is stop lamp control switch;
12V DC power supply directly can use the 12V storage battery on automobile.
Circuit production main points, circuit debugging
Because the circuit structure of small vehicle LED tail and license plate lamp 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 need to carry out any debugging and can normally work.
Claims (1)
1. small vehicle LED tail and a license plate lamp, it comprises 12V DC power supply, stoplight circuit, stop lamp control circuit, white license plate lamp circuit, it is characterized in that:
Described stoplight circuit is composed in parallel by three identical unit of circuit structure, the each unit of stoplight is by 4 red high brightness LEDs and 2 dropping resistor compositions, the red high brightness light emitting diode LED 5 ~ LED8 of stoplight first module connects mutually, the negative pole of the one termination silicon rectifier diode D3 of dropping resistor R3, one end of another termination dropping resistor R4 of dropping resistor R3 and the negative pole of silicon rectifier diode D1, the positive pole of the red high brightness light emitting diode LED 5 of another termination of dropping resistor R4, the negative pole connection circuit ground GND of red high brightness light emitting diode LED 8, the positive pole connection circuit positive pole VCC of silicon rectifier diode D3, stoplight second unit, stoplight Unit the 3rd is identical with element connected mode with the circuit structure of stoplight first module,
Described stop lamp control circuit is made up of silicon rectifier diode D1 and stop lamp control switch SW, and the positive pole of silicon rectifier diode D1 connects one end of stop lamp control switch SW, the other end connection circuit positive pole VCC of stop lamp control switch SW;
Described white license plate lamp circuit is composed in parallel by two identical unit of circuit structure, the each unit of white license plate lamp is by 2 white high bright degree light-emitting diodes and 1 dropping resistor composition, the white high bright degree LED 1 ~ LED2 of white license plate lamp first module connects mutually, the negative pole of the one termination silicon rectifier diode D2 of dropping resistor R1, the positive pole of another termination white high bright degree LED 1 of dropping resistor R1, the negative pole connection circuit ground GND of white high bright degree LED 2, the positive pole connection circuit positive pole VCC of silicon rectifier diode D2, white license plate lamp second unit is identical with element connected mode with the circuit structure of white license plate lamp first module,
The positive pole of described 12V DC power supply is connected with circuit anode VCC, the negative pole connection circuit ground GND of 12V DC power supply and automobile bond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410012776.5A CN103716969B (en) | 2014-01-10 | 2014-01-10 | Small vehicle LED tail and license plate lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410012776.5A CN103716969B (en) | 2014-01-10 | 2014-01-10 | Small vehicle LED tail and license plate lamp |
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| Publication Number | Publication Date |
|---|---|
| CN103716969A CN103716969A (en) | 2014-04-09 |
| CN103716969B true CN103716969B (en) | 2015-08-26 |
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| CN201410012776.5A Expired - Fee Related CN103716969B (en) | 2014-01-10 | 2014-01-10 | Small vehicle LED tail and license plate lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335485A (en) * | 2004-05-25 | 2005-12-08 | Matsushita Electric Works Ltd | Headlight device for vehicle |
| CN1972544A (en) * | 2005-11-25 | 2007-05-30 | 斯坦雷电气株式会社 | Lighting lamp |
| CN101551949A (en) * | 2008-04-03 | 2009-10-07 | 一汽丰田汽车销售有限公司 | Control device of teaching vehicle, teaching vehicle and vehicle teaching system formed by both |
| CN102387638A (en) * | 2011-09-14 | 2012-03-21 | 广州南科集成电子有限公司 | LED (Light-emitting Diode) lamp with temperature-control protective circuit |
| CN203884024U (en) * | 2014-01-10 | 2014-10-15 | 周芸 | Small vehicle LED tail lamp and license plate lamp |
-
2014
- 2014-01-10 CN CN201410012776.5A patent/CN103716969B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335485A (en) * | 2004-05-25 | 2005-12-08 | Matsushita Electric Works Ltd | Headlight device for vehicle |
| CN1972544A (en) * | 2005-11-25 | 2007-05-30 | 斯坦雷电气株式会社 | Lighting lamp |
| CN101551949A (en) * | 2008-04-03 | 2009-10-07 | 一汽丰田汽车销售有限公司 | Control device of teaching vehicle, teaching vehicle and vehicle teaching system formed by both |
| CN102387638A (en) * | 2011-09-14 | 2012-03-21 | 广州南科集成电子有限公司 | LED (Light-emitting Diode) lamp with temperature-control protective circuit |
| CN203884024U (en) * | 2014-01-10 | 2014-10-15 | 周芸 | Small vehicle LED tail lamp and license plate lamp |
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| CN103716969A (en) | 2014-04-09 |
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Effective date of registration: 20160908 Address after: Zheng Jie Xie Jia Wan 400000 Chongqing Jiulongpo District No. 98, No. 4 1-8-2 Patentee after: Chongqing Qing Pu Electronics Co., Ltd. Address before: A road 400000 Chongqing Jiulongpo District of Shiqiaopu Science Park Patentee before: Chongqing Radio and TV University, Lu Xuzhi |
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Correction item: Inventor Correct: Wu Di|Ma Yuming|Wang Zheng False: Wu Di|Ma Yuming|Wang Zheng Number: 40 Volume: 32 |
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