CN207150894U - A kind of integral type single module controls circuit for lamp before full LED - Google Patents
A kind of integral type single module controls circuit for lamp before full LED Download PDFInfo
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- CN207150894U CN207150894U CN201720882862.0U CN201720882862U CN207150894U CN 207150894 U CN207150894 U CN 207150894U CN 201720882862 U CN201720882862 U CN 201720882862U CN 207150894 U CN207150894 U CN 207150894U
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- nmos device
- light emitting
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Abstract
It the utility model is related to a kind of automobile LED headlight circuit design, more particularly to a kind of integral type single module for sharing the multiple LED headlights of single module control controls circuit for lamp before full LED, including module control circuit, light emitting diode HL1, resistance R1 and nmos device Q1, the drain electrode of the module control circuit, light emitting diode HL1, resistance R1 and nmos device Q1 connects, the source ground of the nmos device Q1, the drain electrode of the nmos device Q1 connect distance light modulating signal；Also include light emitting diode LL1, resistance R2 and nmos device Q2, the drain electrode of the module control circuit, light emitting diode LL1, resistance R2 and nmos device Q2 to connect, the source ground of the nmos device Q2, the drain electrode of the nmos device Q2 is close to light modulating signal.
Description
Technical field
A kind of automobile LED headlight circuit design is the utility model is related to, more particularly to a kind of integral type single module control is complete
Circuit for lamp before LED.
Background technology
Prior art states that headlight driving in the market is that each function is individually to control, and each function has
Single drive module, controlled using chip microcontroller signal, driving and single-chip microcomputer cost are higher, close to whole lamp cost
Half or so.
Utility model content
The purpose of this utility model is, there is provided a kind of integral type list for sharing a single module and controlling multiple LED headlights
Module controls circuit for lamp before full LED.
Technical scheme is used by solving its technical problem：A kind of integral type single module controls circuit for lamp before full LED, bag
Include module control circuit, light emitting diode HL1, resistance R1 and nmos device Q1, the module control circuit, light emitting diode
HL1, resistance R1 and nmos device Q1 drain electrode connect, the source ground of the nmos device Q1, the leakage of the nmos device Q1
Pole connects distance light modulating signal；Also include light emitting diode LL1, resistance R2 and nmos device Q2, the module control circuit, luminous two
Pole pipe LL1, resistance R2 and nmos device Q2 drain electrode connect, the source ground of the nmos device Q2, the nmos device Q2
Drain electrode close to light modulating signal；Also include light emitting diode DL1, resistance R3 and nmos device Q3, the module control circuit, hair
Optical diode DL1, resistance R3 and nmos device Q3 drain electrode connect, the source ground of the nmos device Q3, the NMOS devices
Part Q3 drain electrode connects daytime running lights signal；Also include LED P L1, resistance R4 and nmos device Q4, the module control electricity
The drain electrode on road, LED P L1, resistance R4 and nmos device Q4 connects, the source ground of the nmos device Q4, described
Nmos device Q4 drain electrode connects position light signal；Also include light emitting diode TL1, resistance R5 and nmos device Q5, the module
The drain electrode of control circuit, light emitting diode TL1, resistance R5 and nmos device Q5 connects, the source ground of the nmos device Q5,
The drain electrode of the nmos device Q5 is switched through to modulating signal.
Preferably, also it is serially connected in light emitting diode HL1 and electricity including light emitting diode HLn, the light emitting diode HLn
Between resistance R1.
Preferably, also it is serially connected in light emitting diode LL1 and electricity including light emitting diode LLn, the light emitting diode LLn
Between resistance R2.
Preferably, also it is serially connected in light emitting diode DL1 and electricity including light emitting diode DLn, the light emitting diode DLn
Between resistance R3.
Preferably, also it is serially connected in LED P L1 and electricity including LED P Ln, the LED P Ln
Between resistance R4.
Preferably, also it is serially connected in light emitting diode TL1 and electricity including light emitting diode TLn, the light emitting diode TLn
Between resistance R5.
Circuit for lamp has the following advantages that before integral type single module of the present utility model controls full LED：It is of the present utility model
The whole lamps of headlight LED are more than LED output voltages constant pressure using one and driven, institute is functional all according to the LED of individual feature particle
Share the driving；Such as LED headlights have distance light, dipped beam, day row, position, steering function, and all functions all share a drive
It is dynamic, each function is become the drive pattern of constant pressure power supply, size of current is confirmed by regulation resistance, is passing through vehicle body
The signal of function control, to control the MOS on each function LED low side, to realize each function of switch.
Brief description of the drawings
Fig. 1 is that integral type single module of the present utility model controls circuit for lamp before full LED.
Embodiment
As illustrated, a kind of integral type single module controls circuit for lamp before full LED, including module control circuit, light-emitting diodes
Pipe HL1, resistance R1 and nmos device Q1, the module control circuit, light emitting diode HL1, resistance R1 and nmos device Q1
Drain electrode connection, the source ground of the nmos device Q1, the drain electrode of the nmos device Q1 connect distance light modulating signal；Also include luminous
Diode LL1, resistance R2 and nmos device Q2, the module control circuit, light emitting diode LL1, resistance R2 and nmos device
Q2 drain electrode connection, the source ground of the nmos device Q2, the drain electrode of the nmos device Q2 is close to light modulating signal；Also include
Light emitting diode DL1, resistance R3 and nmos device Q3, the module control circuit, light emitting diode DL1, resistance R3 and NMOS
Device Q3 drain electrode connection, the source ground of the nmos device Q3, the drain electrode of the nmos device Q3 connect daytime running lights signal；Also
Including LED P L1, resistance R4 and nmos device Q4, the module control circuit, LED P L1, resistance R4 and
Nmos device Q4 drain electrode connection, the source ground of the nmos device Q4, the drain electrode of the nmos device Q4 connect position lamp letter
Number；Also include light emitting diode TL1, resistance R5 and nmos device Q5, the module control circuit, light emitting diode TL1, resistance
R5 and nmos device Q5 drain electrode connect, the source ground of the nmos device Q5, the drain electrode of the nmos device Q5 switch through to
Modulating signal.
Also it is serially connected in including light emitting diode HLn, the light emitting diode HLn between light emitting diode HL1 and resistance R1.
Also it is serially connected in including light emitting diode LLn, the light emitting diode LLn between light emitting diode LL1 and resistance R2.
Also it is serially connected in including light emitting diode DLn, the light emitting diode DLn between light emitting diode DL1 and resistance R3.
Also it is serially connected in including LED P Ln, the LED P Ln between LED P L1 and resistance R4.
Also it is serially connected in including light emitting diode TLn, the light emitting diode TLn between light emitting diode TL1 and resistance R5.
With reference to accompanying drawing as can be seen that it is not constant voltage that the utility model supplies one by BCM module control circuits
Power supply signal, its to individually control require it is higher；New design does DC-DC constant pressure by lamp interior
Power supply circuit；Control source to each function is precise and stable clean voltage, at power supply module EMC, EMI and electrical property
After reason is clean, all performances to function are all more stable；Also the rate of exchange are low for requirement to whole lamp individual module, can very great Cheng
The driving cost of experimental cost and whole lamp is reduced on degree；After being powered by constant pressure, each resistance has regulation function of current, electricity
Power is hindered unlike traditional current-limiting resistance, considers to reserve 50% power, 80% can be used under the new electric power system
Power consumption, the quantity of component is saved, reduce failure risk；The switch of each function is controlled finally by the MOS on low side, so as to
To realize the switching between each function.
Using the above-mentioned desirable embodiment according to utility model as enlightenment, pass through above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely, this item is practical
New technical scope is not limited to the content on specification, it is necessary to determines that its is technical according to right
Scope.
Claims (6)
1. a kind of integral type single module controls circuit for lamp before full LED, including module control circuit, light emitting diode HL1, resistance R1
With nmos device Q1, the drain electrode of the module control circuit, light emitting diode HL1, resistance R1 and nmos device Q1 connects, described
Nmos device Q1 source ground, the drain electrode of the nmos device Q1 connect distance light modulating signal；Also include light emitting diode LL1, electricity
Resistance R2 and nmos device Q2, the drain electrode of the module control circuit, light emitting diode LL1, resistance R2 and nmos device Q2 connect,
The source ground of the nmos device Q2, the drain electrode of the nmos device Q2 is close to light modulating signal；Also include light emitting diode
DL1, resistance R3 and nmos device Q3, the leakage of the module control circuit, light emitting diode DL1, resistance R3 and nmos device Q3
Pole connects, and the source ground of the nmos device Q3, the drain electrode of the nmos device Q3 connects daytime running lights signal；Also include luminous two
Pole pipe PL1, resistance R4 and nmos device Q4, the module control circuit, LED P L1, resistance R4 and nmos device Q4
Drain electrode connection, the source ground of the nmos device Q4, the drain electrode of the nmos device Q4 connects position light signal；Also include hair
Optical diode TL1, resistance R5 and nmos device Q5, the module control circuit, light emitting diode TL1, resistance R5 and NMOS device
Part Q5 drain electrode connection, the source ground of the nmos device Q5, the drain electrode of the nmos device Q5 are switched through to modulating signal.
2. integral type single module according to claim 1 controls circuit for lamp before full LED, it is characterised in that：Also include luminous
Diode HLn, the light emitting diode HLn are serially connected between light emitting diode HL1 and resistance R1.
3. integral type single module according to claim 1 controls circuit for lamp before full LED, it is characterised in that：Also include luminous
Diode LLn, the light emitting diode LLn are serially connected between light emitting diode LL1 and resistance R2.
4. integral type single module according to claim 1 controls circuit for lamp before full LED, it is characterised in that：Also include luminous
Diode DLn, the light emitting diode DLn are serially connected between light emitting diode DL1 and resistance R3.
5. integral type single module according to claim 1 controls circuit for lamp before full LED, it is characterised in that：Also include luminous
Diode PLn, the LED P Ln are serially connected between LED P L1 and resistance R4.
6. integral type single module according to claim 1 controls circuit for lamp before full LED, it is characterised in that：Also include luminous
Diode TLn, the light emitting diode TLn are serially connected between light emitting diode TL1 and resistance R5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720882862.0U CN207150894U (en) | 2017-07-20 | 2017-07-20 | A kind of integral type single module controls circuit for lamp before full LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720882862.0U CN207150894U (en) | 2017-07-20 | 2017-07-20 | A kind of integral type single module controls circuit for lamp before full LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150894U true CN207150894U (en) | 2018-03-27 |
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ID=61676160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720882862.0U Active CN207150894U (en) | 2017-07-20 | 2017-07-20 | A kind of integral type single module controls circuit for lamp before full LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207150894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575010A (en) * | 2017-07-20 | 2018-09-25 | 常州星宇车灯股份有限公司 | Circuit for lamp before a kind of full LED of integral type single module control |
-
2017
- 2017-07-20 CN CN201720882862.0U patent/CN207150894U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575010A (en) * | 2017-07-20 | 2018-09-25 | 常州星宇车灯股份有限公司 | Circuit for lamp before a kind of full LED of integral type single module control |
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