CN207059894U - A kind of control system of LED headlamps - Google Patents
A kind of control system of LED headlamps Download PDFInfo
- Publication number
- CN207059894U CN207059894U CN201720733108.0U CN201720733108U CN207059894U CN 207059894 U CN207059894 U CN 207059894U CN 201720733108 U CN201720733108 U CN 201720733108U CN 207059894 U CN207059894 U CN 207059894U
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- led
- lamp bead
- control system
- headlamps
- control
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Abstract
The utility model provides a kind of control system of LED headlamps, and it includes vehicle multimedia navigation, plurality of LEDs lamp bead, display and control unit.Display is used for the working condition for showing every LEDs lamp bead.Control unit connects LED lamp bead and vehicle multimedia navigation signal.Vehicle multimedia navigation is used for the working condition for controlling LED lamp bead.The control system of LED headlamps of the present utility model can in real time and the working condition of every LEDs lamp bead that is visually known in LED headlamps, so as to greatly increase the security of driver's nighttime driving.
Description
Technical field
A kind of control system and its control method of LED headlamps are the utility model is related to, it is especially a kind of to carry more
The control system of the LED headlamps of LED lamp bead.
Background technology
With the development of industrial technology, LED (Light-Emitting Diode, light emitting diode) illuminations are increasingly becoming
Following trend.Nowadays main flow is had become in family expenses lighting field, LED illumination.And in automotive lighting field, LED due to
Higher compared to conventional bulb luminous efficiency, energy consumption is lower, and the life-span is longer, and the application in terms of car light also becomes more and more.
At the same time, the rapid development of electronics technology is had benefited from, headlamp also develops towards intelligentized direction.ALS
(Automatic Leveling System, automatic leveling system), AFS (Adaptive Frontlighting
System, self-adaptive headlamp system), the intelligent automotive light such as ADB (Adaptive Driving Beam, adaptive high beam)
Arise at the historic moment.But most LED headlamps do not monitor the implementing result of headlamp control in the market；Meanwhile
The light on and off state of LED headlamps is simply integrally fed back, can not be by the working condition of every LEDs lamp bead in real time, intuitively
Feed back to driver, which greatly enhances driver nighttime driving degree of danger.
Utility model content
The purpose of this utility model is to provide a kind of control system of LED headlamps, according to a kind of LED of the present utility model
Headlamp controls and its control method, driver can pass through the display screen or HUD (Head of vehicle multimedia navigation
UpDisplay, head-up display) in real time and the working condition of every LEDs lamp bead that is visually known in LED headlamps, so that
Greatly increase the security of driver's nighttime driving.
According to one side of the present utility model, there is provided a kind of control system of LED headlamps, it includes：
Vehicle multimedia navigation；
Plurality of LEDs lamp bead；
Display, the display are used for the working condition for showing every LEDs lamp bead；
Control unit, described control unit connect LED lamp bead and vehicle multimedia navigation signal, described vehicle-mounted more
Media navigation is used for the working condition for controlling LED lamp bead.
Preferably, the display is vehicle multimedia navigation screen or is head-up display.
Preferably, in addition to it is used for the LED drive chip for controlling LED lamp bead working condition, described control unit also includes
Microcontroller, the microcontroller control LED after the control signal of vehicle multimedia navigation is connected to by LED drive chip
The working condition of lamp bead.
Preferably, the control signal of the vehicle multimedia navigation is the form of control message, and the microcontroller is to control
The parsing of message processed, core is driven by LED is sent to by CAN passages and asynchronous receiving-transmitting transfer bus after result progress protocol conversion
Piece, realize the control to the LED lamp bead in LED light source module.
Preferably, described control unit also includes CAN transceiver and powered to the CAN transceiver and to microcontroller
Low pressure difference linear voltage regulator.
Preferably, the microcontroller is connected with LED drive chip using asynchronous receiving-transmitting transfer bus.
Preferably, in addition to by asynchronous receiving-transmitting transfer bus the register of LED drive chip is inquired about, and LED is driven
Chip and LED light source module carry out status monitoring, and send state outcome to vehicle mounted multimedia by SUB-CAN buses and lead
Boat.
Preferably, described control unit also includes LED drive chip and the constant current to LED drive chip power supply is returned
Road control module.
According to one side of the present utility model, there is provided a kind of that LED headlamps are controlled using above-mentioned control system
The method of system, it includes：
The working condition of every LEDs lamp bead is received by control unit；
The working condition of every LEDs lamp bead is shown by display；
The working condition of every LEDs lamp bead is controlled by vehicle multimedia navigation.
Preferably, the control system is to carry out signal transmission by CAN.
The control system and its control method of LED headlamps provided by the utility model in real time and can be visually known LED
The working condition of every LEDs lamp bead in headlamp, so as to greatly increase the security of driver's nighttime driving.
Brief description of the drawings
Fig. 1 is the control system architecture figure of LED headlamps of the present utility model.
Fig. 2 is the control system Organization Chart of LED headlamps of the present utility model.
Embodiment
Embodiment of the present utility model is described with detailed reference to accompanying drawing now.
As shown in fig.1, the utility model provides a kind of control system of LED headlamps, before it includes left headlamp, the right side
Illuminator, multimedia navigation and HUD.Multimedia navigation can be respectively received the signal of left headlamp and right headlamp, and to a left side
Headlamp and right headlamp are controlled.Multimedia navigation can be shown the working condition of left headlamp and right headlamp by HUD
Show to come.
Further regard to shown in Fig. 2, a kind of control system of LED headlamps, it includes vehicle multimedia navigation, left illumination
Unit, right lighting unit, left control unit and right control unit.Left lighting unit includes left LED light source module, right lighting unit
Including right LED light source module.Left LED light source module and right LED light source module include plurality of LEDs lamp bead.
The control system of LED headlamps also includes display, and the display is used for the work shape for showing every LEDs lamp bead
State.The working condition of LED lamp bead generally comprise the lighting, extinguish of LED lamp bead, the enhancing of luminous intensity or in die down.Display is
Vehicle multimedia navigation screen is head-up display.
Because left control unit is as the structure chart of right control unit.For the ease of description, left control unit and right control
Unit processed is referred to as control unit.
Control unit connects LED lamp bead and vehicle multimedia navigation signal, and the vehicle multimedia navigation is used for
Control the working condition of LED lamp bead.The utility model can realize the intelligent control to car light by vehicle multimedia navigation, real
The switching of existing various modes, and the working condition of every LEDs lamp bead can be included in HUD or vehicle multimedia navigation in real time
On screen.Meanwhile this is also equipped with self-diagnostic function, no matter headlamp control system works in what mode, can be to preceding photograph
The working condition of lamp is monitored in real time, and is accurately positioned failure cause, and event is shown by HUD or vehicle multimedia navigation screen
Hinder reason so that driver can recognize the working condition of headlamp in real time, driving demand be reminded, so as to substantially increase night
Between the security that drives.Meanwhile the maintenance of vehicle maintenance personnel has been also convenient for it.
Control unit also includes being used for the LED drive chip and microcontroller for controlling LED lamp bead working condition
(Microcontroller Unit, abbreviation MCU), the microcontroller lead to after the control signal of vehicle multimedia navigation is connected to
LED drive chip is crossed to control the working condition of LED lamp bead.
The control signal of the vehicle multimedia navigation is the form of control message, and the microcontroller is to control message
Parsing, pass through CAN passages and asynchronous receiving-transmitting transfer bus (Universal Asynchronous after result is carried out into protocol conversion
Receiver/Transmitter, abbreviation UART) LED drive chip is sent to, realize to the LED lamp bead in LED light source module
Control.
Described control unit also includes the low pressure difference linear voltage regulator to the CAN transceiver and to microcontroller power supply
(Low Dropout Regulator, abbreviation LDO).
The microcontroller is connected with LED drive chip using asynchronous receiving-transmitting transfer bus.
Described control unit also includes the register that LED drive chip is inquired about by asynchronous receiving-transmitting transfer bus, and to LED
Driving chip and LED light source module carry out status monitoring, and send state outcome to vehicle-mounted more matchmakers by SUB-CAN buses
Body navigates.
Described control unit also includes the constant current loop control module to LED drive chip power supply.
Described control unit also includes CAN transceiver.
Control unit is connected with vehicle multimedia navigation using SUB-CAN buses.Vehicle multimedia navigation uses with HUD
HDMI wire connects.MCU in described control unit is connected with LED drive chip using UART buses.Described control unit is by perseverance
Circuit control module, MCU chip, CAN transceiver, LED drive chip and LDO is flowed to form.LDO is responsible for CAN transceiver and MCU
Power supply, above-mentioned constant current loop control module are responsible for powering to LED drive chip.
The lighting unit is made up of LED light source module.The CAN transceiver model TJA1041A, the MCU models
For MC9S12G192, the LED drive chip model TPS92661.
According to one side of the present utility model, there is provided a kind of that LED headlamps are controlled using above-mentioned control system
The method of system, it includes：
The working condition of every LEDs lamp bead is received by control unit；
The working condition of every LEDs lamp bead is shown by display；
The working condition of every LEDs lamp bead is controlled by vehicle multimedia navigation.
The control system is to carry out signal transmission by CAN.
Specifically, the control method of above-mentioned LED headlamp control systems comprises the following steps：
(1) LED headlamps control system electrification；
(2) MCU and each module are initialized；
(3) each module working condition of headlamp is checked, and result is sent to vehicle multimedia navigation by SUB-CAN；
(4) vehicle multimedia navigation receives work state information, is shown by display screen and informs driver；
(5) driver can control the mode of operation of headlamp by vehicle multimedia navigation；
(6) headlamp control system enters real time fail monitoring state, when driving by the real time temperature of car light, work
The information such as operation mode are uploaded to vehicle multimedia navigation and HUD in real time.HUD is only used for showing.In other embodiments, HUD
Display can be realized by the display screen of vehicle multimedia navigation, can so save HUD.
Those skilled in the art can be obvious, and various modifications and change can be carried out to above-mentioned example embodiment of the present utility model
Type is without departing from spirit and scope of the present utility model.Accordingly, it is intended to the utility model covering is set to fall in appended claims
And its in the range of equivalent arrangements to modifications and variations of the present utility model.
Claims (8)
1. a kind of control system of LED headlamps, it is characterised in that it includes：
Vehicle multimedia navigation；
Plurality of LEDs lamp bead；
Display, the display are used for the working condition for showing every LEDs lamp bead；
Control unit, described control unit connect LED lamp bead and vehicle multimedia navigation signal, the vehicle mounted multimedia
Navigate for the working condition for controlling LED lamp bead.
2. the control system of LED headlamps as claimed in claim 1, it is characterised in that the display is vehicle mounted multimedia
Navigation screen is head-up display.
3. the control system of LED headlamps as claimed in claim 1, it is characterised in that also include being used to control LED lamp bead work
Make the LED drive chip of state, described control unit also includes microcontroller, and the microcontroller is led being connected to vehicle mounted multimedia
The working condition of LED lamp bead is controlled after the control signal of boat by LED drive chip.
4. the control system of LED headlamps as claimed in claim 3, it is characterised in that the control of the vehicle multimedia navigation
Signal processed is the form of control message, parsing of the microcontroller to control message, will be passed through after result progress protocol conversion
CAN passages and asynchronous receiving-transmitting transfer bus are sent to LED drive chip, realize the control to the LED lamp bead in LED light source module
System.
5. the control system of LED headlamps as claimed in claim 3, it is characterised in that described control unit also includes CAN and received
Send out device and the low pressure difference linear voltage regulator to the CAN transceiver and to microcontroller power supply.
6. the control system of LED headlamps as claimed in claim 3, it is characterised in that the microcontroller and LED driving cores
Piece is connected using asynchronous receiving-transmitting transfer bus.
7. the control system of LED headlamps as claimed in claim 3, it is characterised in that also include transmitting by asynchronous receiving-transmitting
Bus inquires about the register of LED drive chip, and status monitoring is carried out to LED drive chip and LED light source module, and by shape
State result sends vehicle multimedia navigation to by SUB-CAN buses.
8. the control system of LED headlamps as claimed in claim 1, it is characterised in that described control unit also includes LED and driven
Dynamic chip and the constant current loop control module to LED drive chip power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733108.0U CN207059894U (en) | 2017-06-22 | 2017-06-22 | A kind of control system of LED headlamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733108.0U CN207059894U (en) | 2017-06-22 | 2017-06-22 | A kind of control system of LED headlamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207059894U true CN207059894U (en) | 2018-03-02 |
Family
ID=61509321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733108.0U Active CN207059894U (en) | 2017-06-22 | 2017-06-22 | A kind of control system of LED headlamps |
Country Status (1)
| Country | Link |
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| CN (1) | CN207059894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569211A (en) * | 2017-06-22 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of control system and its control method of LED headlamps |
| CN110891345A (en) * | 2018-09-06 | 2020-03-17 | 常州星宇车灯股份有限公司 | LED headlamp control system with adjustable brightness and color temperature and control method thereof |
-
2017
- 2017-06-22 CN CN201720733108.0U patent/CN207059894U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569211A (en) * | 2017-06-22 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of control system and its control method of LED headlamps |
| CN108569211B (en) * | 2017-06-22 | 2024-03-26 | 常州星宇车灯股份有限公司 | Control system and control method of LED headlamp |
| CN110891345A (en) * | 2018-09-06 | 2020-03-17 | 常州星宇车灯股份有限公司 | LED headlamp control system with adjustable brightness and color temperature and control method thereof |
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