CN209419918U - A kind of LED headlamp control system of brightness adjustable color - Google Patents
A kind of LED headlamp control system of brightness adjustable color Download PDFInfo
- Publication number
- CN209419918U CN209419918U CN201821453623.4U CN201821453623U CN209419918U CN 209419918 U CN209419918 U CN 209419918U CN 201821453623 U CN201821453623 U CN 201821453623U CN 209419918 U CN209419918 U CN 209419918U
- Authority
- CN
- China
- Prior art keywords
- led
- light source
- mould group
- drive chip
- transceiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of LED headlamp control systems of brightness adjustable color, belong to automotive electronics lighting system field of intelligent control, a kind of LED headlamp control system of brightness adjustable color, including vehicle multimedia navigation, external image processor, control unit and LED light source mould group, control unit includes CAN transceiver, microprocessor, LED drive chip, LDO and constant current loop control module, microprocessor is electrically connected with CAN transceiver, LED drive chip is electrically connected by serial ports with microprocessor, constant current loop control module is LED drive chip power supply, CAN transceiver by CAN bus respectively with vehicle multimedia navigation and external image processor communication, LED drive chip drives LED light source mould group.A kind of LED headlamp control method of brightness adjustable color is that the LED headlamp control system based on a kind of brightness adjustable color is realized, the utility model is a kind of brightness convenient for LED headlamp and control system and control method that colour temperature is adjusted.
Description
Technical field
The utility model belongs to automotive electronics lighting system field of intelligent control more particularly to a kind of brightness adjustable color
LED headlamp control system and control method.
Background technique
With the development of electronic technology, LED illumination has obtained development at full speed, nowadays in household lighting area, LED illumination
Have become mainstream.LED is due to higher compared to conventional bulb luminous efficiency, and energy consumption is lower, longer life expectancy, in terms of car light
Using also becoming more and more.Further, occur the LED's of more and more brightness and adjustable color in household lighting area
Lamps and lanterns, review automotive lighting field, and LED illumination lamp designed by the prior art is adjusted most without brightness and colour temperature greatly simultaneously
Function, single colour temperature or the brightness adjustment in single colour temperature can only be done, and existing product multi-pass crosses hardware switch
To adjust.For example, the attention that inevitably will disperse driver is manually adjusted in the case where driving encounters the emergency cases such as mist on the way,
Increase the risk driven.In view of the foregoing drawbacks, it is necessary to which new improvement is proposed to the design of existing LED illumination lamp.
Utility model content
The purpose of the utility model is to provide the control systems that a kind of brightness convenient for LED headlamp and colour temperature are adjusted
System.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of LED headlamp of brightness adjustable color
Control system, including vehicle multimedia navigation, external image processor, control unit and LED light source mould group, control unit include
CAN transceiver, microprocessor, LED drive chip, LDO and constant current loop control module, microprocessor are electrically connected with CAN transceiver
It connects, LED drive chip is electrically connected by serial ports with microprocessor, and LDO is CAN transceiver and microprocessor power supply, constant current loop
Control module be LED drive chip power supply, CAN transceiver by CAN bus respectively with vehicle multimedia navigation and external image
Processor communication, LED drive chip drive LED light source mould group；
The CAN message that vehicle multimedia navigation and external image processor are sent is transferred to CAN transceiver, CAN transceiver
CAN message is transferred to microprocessor again,
Control unit is arranged two, and two control units are respectively left control unit and right control unit, LED light source mould group
Two are respectively set, two LED light source Mo Zu are left LED light source mould group and right LED light source mould group, the LED of left control unit respectively
Driving chip drives left LED light source mould group, and the LED drive chip of right control unit drives right LED light source mould group.
The LED light source mould group includes plurality of LEDs lamp bead, wherein comprising warm light LED and cold light LED, and a cold light LED
It is one group with a warm light LED.
A kind of LED headlamp control system of brightness adjustable color described in the utility model, carries this kind of brightness colour temperature
Adjustable LED headlamp control system can adjust the brightness and colour temperature of LED with automatic or manual.Under severe weather conditions, energy
Enough brightness and colour temperature by headlamp is adjusted to optimum state, substantially increases the safety of driving.At the same time, utilization is vehicle-mounted
The touch-screen button of multimedia navigation substitutes original hardwire switch, has saved manufacturing cost.Driver can pass through manual mode
The brightness of LED headlamp and colour temperature are debugged with automatic mode.
Under manual mode, driver can by the display screen of vehicle multimedia navigation to the brightness of headlamp and colour temperature into
Row adjustment, to reach the degree that driver feels the most comfortable；In automatic mode, regulatory function will be connect by car light control unit
Pipe is believed by handling the external environmental information from external image processor and the local weather from vehicle multimedia navigation
Breath, adjust automatically car light reach the mild brightness of preset optimum colour.It does so, substantially increases driver-operated safety.
Detailed description of the invention
Fig. 1 is a kind of LED headlamp control system architecture diagram of brightness adjustable color；
Fig. 2 is the circuit diagram of the LM5022 of constant current loop control module；
Fig. 3 is the circuit diagram of the LM3409 of constant current loop control module；
Fig. 4 is the circuit diagram of LDO.
Specific embodiment
Embodiment 1:
A kind of LED headlamp control system of brightness adjustable color as shown in Figure 1, including it is vehicle multimedia navigation, outer
Portion's image processor, control unit and LED light source mould group, control unit include CAN transceiver, microprocessor, LED driving core
Piece, LDO and constant current loop control module, microprocessor are electrically connected with CAN transceiver, and LED drive chip passes through serial ports and Wei Chu
Device electrical connection is managed, LDO is CAN transceiver and microprocessor power supply, and constant current loop control module is LED drive chip power supply, CAN
Transceiver by CAN bus respectively with vehicle multimedia navigation and external image processor communication, LED drive chip drive LED
Light source module group；
The CAN message that vehicle multimedia navigation and external image processor are sent is transferred to CAN transceiver, CAN transceiver
CAN message is transferred to microprocessor again,
Control unit is arranged two, and two control units are respectively left control unit and right control unit, LED light source mould group
Two are respectively set, two LED light source Mo Zu are left LED light source mould group and right LED light source mould group, the LED of left control unit respectively
Driving chip drives left LED light source mould group, and the LED drive chip of right control unit drives right LED light source mould group.
The LED light source mould group includes plurality of LEDs lamp bead, wherein comprising warm light LED and cold light LED, and a cold light LED
It is one group with a warm light LED.
CAN transceiver model TJA1042, the microprocessor model are MC9S12G192, the LED drive chip type
Number be TPS92661, the model TPS7B675 of the LDO；Constant current loop control module is by LM5022 and LM3409HV
The BUCK-BOOST that MR16 is constituted.
It is as shown in Figures 2 and 3 the circuit diagram of constant current loop control module, constant current loop control module is mainly by LM5022
And its peripheral circuit and LM3409 and its peripheral circuit are constituted, for providing constant-current supply to LED drive chip.
It is illustrated in figure 4 the circuit diagram of LDO, LDO circuit figure is made of TPS7B6750 and its peripheral circuit, for providing
Power supply power supply.
The navigation and its exterior view of vehicle multimedia navigation, external image processor using Android system in the prior art
As processor, the model T15 of vehicle multimedia navigation, the model SFV-Q1 of external image processor.
Embodiment 2:
A kind of brightness colour temperature matched with a kind of LED headlamp control system of brightness adjustable color described in embodiment 1
Adjustable LED headlamp method is realized by a kind of LED headlamp control system of brightness adjustable color described in embodiment 1
,
Comprise the following steps: (1) head lamp controller powers on, and microprocessor and each module are initialized, self-test, self-test
By rear, into normal mode of operation；Driver selects manual mode or automatic mode by vehicle multimedia navigation；(2) when
When in automatic mode: external image processor obtains environmental information, and vehicle multimedia navigation obtains local weather information, external
Image processor and vehicle multimedia navigation respectively by environmental information and local weather information become CAN message and by CAN it is total
The CAN transceiver of line two control units to the left and right sends CAN message simultaneously；(3) CAN transceiver of two control units of left and right is connecing
After receiving CAN message to, CAN message is sent to the microprocessor connecting with itself, the micro process of two control units of left and right in real time
Device handles CAN message respectively, and microprocessor carries out analysis to CAN message and generates control instruction information；(4) two control units of left and right
Microprocessor respectively to LED drive chip connected to it send control instruction information, left and right two control units LED driving
Chip respectively drives left and right LED light source mould group connected corresponding to its according to control instruction；(5) it when being in manual mode, drives
The person of sailing directly is adjusted the colour temperature of car light by the control interface of multimedia vehicle mounted navigation.
The brightness of LED lamp bead in LED light source mould group and colour temperature are controlled by LED drive chip.
Microcontroller reads the register of LED drive chip, carries out state to LED drive chip and LED light source mould group
Monitoring, and state outcome is sent to vehicle multimedia navigation by CAN bus.
Claims (3)
1. a kind of LED headlamp control system of brightness adjustable color, it is characterised in that: including vehicle multimedia navigation, outside
Image processor, control unit and LED light source mould group, control unit include CAN transceiver, microprocessor, LED drive chip,
LDO and constant current loop control module, microprocessor are electrically connected with CAN transceiver, and LED drive chip passes through serial ports and microprocessor
Electrical connection, LDO are CAN transceiver and microprocessor power supply, and constant current loop control module is LED drive chip power supply, CAN transmitting-receiving
Device by CAN bus respectively with vehicle multimedia navigation and external image processor communication, LED drive chip drive LED light source
Mould group；
The CAN message that vehicle multimedia navigation and external image processor are sent is transferred to CAN transceiver, and CAN transceiver again will
CAN message is transferred to microprocessor.
2. a kind of LED headlamp control system of brightness adjustable color as described in claim 1, it is characterised in that: control is single
Member setting two, two control units are respectively left control unit and right control unit, and LED light source mould group is also respectively set two,
Two LED light source Mo Zu are left LED light source mould group and right LED light source mould group respectively, and the LED drive chip of left control unit drives left
The LED drive chip of LED light source mould group, right control unit drives right LED light source mould group.
3. a kind of LED headlamp control system of brightness adjustable color as described in claim 1, it is characterised in that: the LED
Light source module group includes plurality of LEDs lamp bead, wherein including warm light LED and cold light LED, and a cold light LED is with a warm light LED
One group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453623.4U CN209419918U (en) | 2018-09-06 | 2018-09-06 | A kind of LED headlamp control system of brightness adjustable color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453623.4U CN209419918U (en) | 2018-09-06 | 2018-09-06 | A kind of LED headlamp control system of brightness adjustable color |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419918U true CN209419918U (en) | 2019-09-20 |
Family
ID=67930360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453623.4U Active CN209419918U (en) | 2018-09-06 | 2018-09-06 | A kind of LED headlamp control system of brightness adjustable color |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419918U (en) |
-
2018
- 2018-09-06 CN CN201821453623.4U patent/CN209419918U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109823258B (en) | Intelligent auxiliary control system and method for matrix type LED high beam | |
| CN208337960U (en) | A kind of circuit system mixing light adjustable color | |
| CN106530977A (en) | OLED position lamp capable of displaying battery level, and lamp control device thereof | |
| CN106427767A (en) | LED position lamp with function of indicating battery capacity and lamp controlling device thereof | |
| CN207321590U (en) | A kind of atmosphere lamp controller system | |
| CN106427768A (en) | Direct illuminating type turn signal lamp capable of displaying battery capacity and lamp control device | |
| CN108575020A (en) | A kind of atmosphere lamp controller system | |
| CN110891345A (en) | LED headlamp control system with adjustable brightness and color temperature and control method thereof | |
| CN209419918U (en) | A kind of LED headlamp control system of brightness adjustable color | |
| CN204749985U (en) | Formula car combination back tail lamp system can edit | |
| CN106515557A (en) | Reflection type steering signal lamp having function of displaying electric quantity of battery and lamp control device of reflection type steering signal lamp | |
| CN205946236U (en) | Car atmosphere lamp control system based on safety | |
| CN207059894U (en) | A kind of control system of LED headlamps | |
| CN207262322U (en) | Colour mixture temperature car headlight device | |
| CN206446514U (en) | A kind of LED location lamp for showing battery electric quantity | |
| CN208353670U (en) | A kind of LED long row police lamp of high-power and high-luminance | |
| CN109131049A (en) | A kind of intelligent LED seeks vehicle system and intelligent automobile | |
| CN207995474U (en) | A kind of laser headlamp control system of brightness adjustable color | |
| CN208606019U (en) | A kind of combined type large-angle LED portable lamp | |
| CN207990517U (en) | Daytime running lamps | |
| CN202863256U (en) | Automobile intelligent lighting system | |
| CN207082230U (en) | A kind of high-power LED traffic signal lamp | |
| CN205098033U (en) | Automobile -used colorful LED lamp control system | |
| CN110972363A (en) | IIC network-based dynamic rear combination lamp | |
| CN218217738U (en) | Intelligent Internet of things LED lamp for garage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |