CN109936892A - A kind of high-power LED car light module driving power - Google Patents
A kind of high-power LED car light module driving power Download PDFInfo
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- CN109936892A CN109936892A CN201711379552.8A CN201711379552A CN109936892A CN 109936892 A CN109936892 A CN 109936892A CN 201711379552 A CN201711379552 A CN 201711379552A CN 109936892 A CN109936892 A CN 109936892A
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- Prior art keywords
- power
- car light
- light module
- led
- led car
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 238000003801 milling Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention belongs to field of LED drive technologies, are a kind of high-power LED car light module driving powers, and the driving power power is big, high-efficient, small in size, meet EMC requirement, can meet different on-vehicle battery voltage requirements.In circuit design, the MPQ2483 switch constant current chip inputted using Width funtion is used to control LED current as the control circuit of core, input terminal carries out duplicate protection using TVS pipe and capacitor.In PCB construction design, wiring board uses two-sided PCB, and component is totally placed in top layer, and bottom large area applies copper and does stratum, slot milling double-side copper-applying and adds via hole at PCB edge, edge is applied copper and connect with metal shell.Input terminal is attached using 4P connector.
Description
Technical field
The invention belongs to field of LED drive technologies, in particular to a kind of high-power LED car light module driving power.
Background technique
With the gradually decline of the continuous development of LED manufacture technology and maturation and production cost, LED light source has been opened
Beginning is widely used in the fields such as car light, special lighting lamps and lanterns, public illumination, has huge development potentiality, it is considered to be 21 generation
It records light source most with prospects.
As the essential safety component of vehicle driving, effect of the vehicle lamp in terms of vehicle active safety to Guan Chong
It wants.LED is highly reliable, long service life, excitation purity height, fast response time, small in size brings Zhuo convenient for design, to vehicle appearance
The advantages that more changing, makes it obtain more and more common application in terms of outside vehicle illumination.Into 21st century, LED vehicle
Lamp has become the new lover of vehicle trend, is widely used on various signal lamps.The direct shadow of LED car lamp module driving power
The quality for ringing LED car lamp, with the continuous development of LED car lamp, requirement of the people to LED car lamp module driving power is also more next
It is higher.
LED car lamp mould group on the market mostly uses the mode of resistance current limliting to control LED current, this mode efficiency at present
Low, LED light declines larger, and use scope is single, and can change LED current with the voltage fluctuation of on-vehicle battery, to influence bright
Degree reduces LED reliability, while power can not be accomplished very greatly.High-power LED car light mould group driving electricity according to the present invention
Source, which is used, controls LED current as the control circuit of core using the MPQ2483 switch constant current chip of Width funtion input, high-efficient, has
Effect reduces light decay, can meet the requirement of different on-vehicle battery voltages, not influenced by on-vehicle battery voltage fluctuation, guarantees bright
Degree is consistent, enhances LED car lamp reliability, while can drive peak power is the LED load of 10W.
Summary of the invention
The present invention is directed to the applicable cases of high-power LED car light module driving power, and it is big to devise a kind of power, efficiency
Height, it is small in size, meet EMC requirement, the high-power LED car light mould group constant current that can meet different on-vehicle battery voltage requirements is driven
Dynamic power supply.
The technical solution adopted by the invention is as follows: high-power LED car light module driving power, including protective module, IC control
Molding block, link block, which is characterized in that the high-power LED car light module driving power is carried out using TVS pipe and capacitor
Duplicate protection uses the MPQ2483 switch constant current chip inputted using Width funtion to control LED current, line as the control circuit of core
Road plate uses two-sided PCB, double-side copper-applying and adds via hole at PCB edge, input terminal is attached using connector.Using 6600W
High-power TVS pipe and capacitor inhibit transient voltage and filtering, play duplicate protection to IC.It uses and is inputted with Width funtion
MPQ2483 switchs the control circuit that constant current chip is core and controls LED current, the LED load that driving peak power is 10W.Line
Road plate uses two-sided PCB, and component is totally placed in top layer, and bottom large area applies copper and does stratum, and slot milling is double at PCB edge
Face applies copper and adds via hole, and edge is applied copper and connect with metal shell.Input terminal is attached using 4P connector.
The beneficial effects of the present invention are: by using the MPQ2483 switch constant current chip inputted using Width funtion as core
Control circuit controls LED current, peak power can be driven for the LED load of 10W, and high-efficient, small in size, use scope
Extensively, meet Width funtion input, can be used under different on-vehicle battery voltages, it can be according to LED car lamp mould group different driving electric current
Requirement set different output electric currents.Two-sided PCB, first device are used in the protection elements such as input terminal plus TVS pipe and wiring board
Part is totally placed in top layer, and bottom large area applies copper and does stratum, slot milling double-side copper-applying and adds via hole, edge at PCB edge
Locate to apply copper and connect with metal shell that it is made to be easier to test by EMC, while applying copper face product greatly, guarantees IC radiating requirements, enhancing can
By property.Input terminal uses connector, guarantees to be reliably connected, while facilitating installation and later maintenance, reduces replacement cost.
Detailed description of the invention
Fig. 1 is a kind of high-power LED car light module driving power circuit diagram of the present invention:
Fig. 2 is a kind of high-power LED car light module driving power PCB design figure of the present invention.
Specific embodiment
Description of specific embodiments of the present invention from circuit theory and PCB design with reference to the accompanying drawing.
The principle of the present invention figure as shown in Figure 1: rectification of diode D1, the D2 for circuit play simultaneously due to maloperation and
Caused by positive and negative anodes reversal connection after protective effect.Two-way TVS pipe D0 and capacitor C1, C2, C3 are used for surge protection and filtering.Switch
Constant current chip U1, resistance R1, R2, R3, R4, R5, R6, R7, capacitor C4, C5, C6, C7, inductance L1, diode D4 and voltage-stabiliser tube D5
Be current constant control part, flow through the electric current of LED for setting and be allowed to constant, while some defencive functions are added, wherein R1,
Make sample resistance after R2, R7 are in parallel, accomplishes that resistance value is more accurate, while meeting power requirement, to adapt to the difference of LED car lamp mould group
It is required that R5, R6 are for setting overvoltage protection value.Benchmark voltage stabilizing chip U2, resistance R21, R22, R23, capacitor C21, diode D3
It is enabled control section, the starting for control switch constant current chip U1.LED+, LED- correspond to the positive and negative anodes of LED load, directly
Connect LED load.
For PCB design of the invention as shown in Fig. 2, wiring board uses two-sided PCB, component is totally placed in top layer, bottom
Large area apply copper do stratum, at PCB edge slot milling double-side copper-applying and add via hole, edge apply copper connect with metal shell.
The shielding action of large area stratum and metal shell makes it be easier to test by EMC, while applying copper face product greatly, guarantees IC heat dissipation
Demand enhances reliability.Input terminal uses 4P connector, respectively corresponds the anode and cathode of input two-by-two, guarantees to be reliably connected,
Facilitate installation and later maintenance simultaneously, reduces replacement cost.Output end directly reserves two pads, respectively corresponds LED load
Anode and cathode, suitable for different LED loads.
Claims (5)
1. a kind of high-power LED car light module driving power, including protective module, IC control module, link block, feature exist
In the high-power LED car light module driving power carries out duplicate protection using TVS pipe and capacitor；It uses defeated with Width funtion
The MPQ2483 switch constant current chip entered is that the control circuit of core controls LED current；Wiring board uses two-sided PCB, PCB edge
Locate double-side copper-applying and adds via hole；Input terminal is attached using connector.
2. high-power LED car light module driving power according to claim 1, which is characterized in that high-power using 6600W
TVS pipe and capacitor inhibit transient voltage and filtering, play duplicate protection to IC.
3. high-power LED car light module driving power according to claim 1, which is characterized in that use defeated with Width funtion
The MPQ2483 switch constant current chip entered is that the control circuit of core controls LED current, and the LED that driving peak power is 10W is negative
It carries.
4. high-power LED car light module driving power according to claim 1, which is characterized in that wiring board is using two-sided
PCB, component are totally placed in top layer, and bottom large area applies copper and does stratum, slot milling double-side copper-applying and add at PCB edge
Hole, edge are applied copper and are connect with metal shell.
5. high-power LED car light module driving power according to claim 1, which is characterized in that input terminal is connect using 4P
Plug-in unit is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379552.8A CN109936892A (en) | 2017-12-18 | 2017-12-18 | A kind of high-power LED car light module driving power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379552.8A CN109936892A (en) | 2017-12-18 | 2017-12-18 | A kind of high-power LED car light module driving power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109936892A true CN109936892A (en) | 2019-06-25 |
Family
ID=66984224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711379552.8A Withdrawn CN109936892A (en) | 2017-12-18 | 2017-12-18 | A kind of high-power LED car light module driving power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109936892A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682037A (en) * | 2012-09-13 | 2014-03-26 | Lg伊诺特有限公司 | Light emitting device |
| CN104913222A (en) * | 2015-06-26 | 2015-09-16 | 唐水 | Lamp base, LED lamp fixture and LED lamp |
| CN105222046A (en) * | 2014-07-02 | 2016-01-06 | 天津工大海宇照明部品有限公司 | A kind of LED car lamp module driving power |
| CN106980726A (en) * | 2017-03-29 | 2017-07-25 | 深圳市创为安防有限公司 | A kind of PCB comprehensive designing methods of Ethernet interface |
| CN206606139U (en) * | 2017-03-25 | 2017-11-03 | 天津工大海宇照明部品有限公司 | A kind of LED logos lamp illuminator |
| CN208094837U (en) * | 2017-12-18 | 2018-11-13 | 天津工大海宇照明部品有限公司 | A kind of high-power LED car light module driving power |
-
2017
- 2017-12-18 CN CN201711379552.8A patent/CN109936892A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682037A (en) * | 2012-09-13 | 2014-03-26 | Lg伊诺特有限公司 | Light emitting device |
| CN105222046A (en) * | 2014-07-02 | 2016-01-06 | 天津工大海宇照明部品有限公司 | A kind of LED car lamp module driving power |
| CN104913222A (en) * | 2015-06-26 | 2015-09-16 | 唐水 | Lamp base, LED lamp fixture and LED lamp |
| CN206606139U (en) * | 2017-03-25 | 2017-11-03 | 天津工大海宇照明部品有限公司 | A kind of LED logos lamp illuminator |
| CN106980726A (en) * | 2017-03-29 | 2017-07-25 | 深圳市创为安防有限公司 | A kind of PCB comprehensive designing methods of Ethernet interface |
| CN208094837U (en) * | 2017-12-18 | 2018-11-13 | 天津工大海宇照明部品有限公司 | A kind of high-power LED car light module driving power |
Non-Patent Citations (3)
| Title |
|---|
| MPS公司: "《MPQ2483数据文档》", pages 1, Retrieved from the Internet <URL:www.monolithicpower.cn/cn/mpq2483.html> * |
| 李旭: "《电动汽车BMS电磁兼容性能优化研究》", 《电工电能新技术》, vol. 33, no. 3, pages 39 * |
| 谢建宇: "《汽车DCDC芯片EMC设计要点》", pages 25, Retrieved from the Internet <URL:docin.com/p-2046372593.html> * |
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Application publication date: 20190625 |