CN208393215U - A kind of new A DB headlamp control system - Google Patents
A kind of new A DB headlamp control system Download PDFInfo
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- CN208393215U CN208393215U CN201820515687.6U CN201820515687U CN208393215U CN 208393215 U CN208393215 U CN 208393215U CN 201820515687 U CN201820515687 U CN 201820515687U CN 208393215 U CN208393215 U CN 208393215U
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Abstract
The utility model discloses a kind of new A DB headlamp control system, belongs to car lighting field.It includes the laser radar system being sequentially connected, big lamp driver unit and execution unit, and laser radar system includes the laser emission element being sequentially connected, laser pick-off unit and signal processing unit, and laser radar system is installed on inside the car light of left and right.The utility model uses solid-state laser Radar Technology, can accurately identify the feature of night object, and auxiliary ADB headlamp lamp is better achieved the accuracy of lamp control and the Experience Degree of user, has very big market prospects.
Description
Technical field
The utility model belongs to car lighting field, especially a kind of new A DB headlamp control system.
Background technique
It is annual because of traffic accident caused by the improper use of driving at night high beam with being continuously increased for home vehicle quantity
Increasingly increase.It is correctly extremely urgent using high beam thus.Common ADB headlamp control system uses on the market
It is camera as input pickup, such system defect is that accuracy of identification is not high, and the row humans and animals for road are even more
It is helpless.
Utility model content
It is to solve existing ADB head lamp system accuracy of identification low, it can not identify that vehicle, row humans and animals are asked well
Topic, the utility model provides a kind of new A DB headlamp control system can be more accurately using solid-state laser Radar Technology
The profile and distance for testing objects in front more accurately identify that lamp is better achieved in people and the object in front, auxiliary ADB headlamp
The accuracy of control and the Experience Degree of user have very big market prospects.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of new A DB headlamp control system, it includes the laser radar system being sequentially connected, big lamp driver unit
And execution unit, laser radar system include the laser emission element being sequentially connected, laser pick-off unit and signal processing unit；
Laser emission element launches laser lightwave signal；Laser pick-off unit receives the laser light wave of objects in front reflection
Signal, and the lightwave signal is converted into digital signal；Digital signal of the signal processing unit processes from laser pick-off unit,
It identifies vehicle, the humans and animals in front, and obtains dark space angle and distance information；Big lamp driver unit processing is at signal
The dark space angle and distance information of unit is managed, and converts that information into the bright of working region corresponding to the car light of left and right and light
Dark information, execution unit receive the control signal from big lamp driver unit, execute relevant movement.
Further, laser radar system is installed on inside the car light of left and right.
Further, laser emission element launches the laser lightwave signal of array；
Laser emission element is realized based on the mode for including phased array, Flash and MEMS.
Further, big lamp driver unit driving LED light array unit or laser lamp array element.
Further, laser emission element includes the drive control unit being sequentially connected, Laser Modulation unit, transmitting unit
With transmission optical unit, drive control unit controls laser lightwave signal；Laser Modulation unit uses Electro-optical Modulation side
Formula loads the information on laser lightwave signal；Laser lightwave signal is transferred to outer by transmitting unit by transmission optical unit
Boundary.
Further, laser pick-off unit include be sequentially connected reception optical unit, detector cells, signal demodulation and
Filter unit and information process unit receive the laser lightwave signal that optical unit receives external object reflection, and by the light wave
Signal is transferred to detector cells according to optical design and carries out photoelectric conversion；Signal demodulation and filter unit are to from detector list
The electric signal of member carries out signal demodulation and filtering processing；Information process unit will through signal demodulation filter unit treated letter
Number 3D point cloud data are formed, and is sent to signal processing unit；
Detector cells are made of the receiving sensor that multiple arrays are arranged.
Further, signal processing unit includes acquisition unit, the first communication unit and MCU processing unit, acquisition unit
It is connected with MCU processing unit with the first communication unit；Collected 3D point cloud data are transferred to MCU processing list by acquisition unit
Member；3D point cloud data conversion at spatial image, and is identified the vehicle in image, humans and animals by MCU processing unit, is re-formed dark
Area's angle and distance information；The dark space angle and distance information of MCU processing unit processes is sent to headlight by the first communication unit
Actuator unit.
Further, big lamp driver unit includes the second communication unit, control unit and the driving unit being sequentially connected,
Communication unit receives the dark space angle and distance information from signal processing unit；Control unit handles dark space angle and distance letter
Breath, and dark space angle and distance information is converted into the corresponding irradiating angle of left and right car light and luminance information；Driving unit should
Information is sent to execution unit in the form of control command.
The utility model has the advantages that
The utility model, as input unit, scans objects in front by laser radar system using laser radar system
Spatiality, and identify object, dark space angle and distance information then conversed according to object, then converse headlamp pair
The irradiating angle and luminance information answered, so as to preferably control the switch state of headlamp, either meeting or follow the bus,
The light of oneself does not all interfere with other side driver, while will not interfere to the pedestrian in roadside.
Detailed description of the invention
Fig. 1 is the whole composition block diagram of an embodiment of the present invention；
Fig. 2 is the laser emission element composition block diagram of an embodiment of the present invention；
Fig. 3 is the laser pick-off unit composition block diagram of an embodiment of the present invention；
Fig. 4 is the signal processing unit composition block diagram of an embodiment of the present invention；
Fig. 5 is the big lamp driver unit composition block diagram of an embodiment of the present invention；
Fig. 6 is the laser radar system scheme of installation of an embodiment of the present invention；
In figure: 1- laser emission element, 2- laser pick-off unit, 3- signal processing unit, the big lamp driver unit of 4-, 5-
Execution unit, 10- transmitting unit, 11- Laser Modulation unit, 12- drive control unit, 13- send optical unit, 20- is received
Optical unit, 21- detector cells, the demodulation of 22- signal and filter unit, 23- information process unit, 30- acquisition unit, 31-
First communication unit, 32-MCU processing unit, the second communication unit of 40-, 41- control unit, 42- driving unit, 61- laser thunder
Up to right mesh system, the left mesh system of 62- laser radar.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
The present embodiment proposes a kind of new A DB headlamp control system, as shown in Figure 1, it includes the laser being sequentially connected
Radar system, big lamp driver unit 4 and execution unit 5, laser radar system include the laser emission element 1 being sequentially connected,
Laser pick-off unit 2 and signal processing unit 3.
Laser emission element 1 launches laser lightwave signal；Laser pick-off unit 2 receives the laser light of objects in front reflection
Wave signal filters out interference signal, and the lightwave signal is converted into digital signal；The processing of signal processing unit 3 comes from laser
The digital signal of receiving unit 2, identifies vehicle, the humans and animals in front, and obtains dark space angle and distance information；Headlight driving
Device unit 4 handles the dark space angle and distance information from signal processing unit 3, and it is right to convert that information into left and right car light institute
The light and shade information of the working region and light answered；It is relevant dynamic that execution unit 5 receives the control row from big lamp driver unit 4
Make.
As shown in Fig. 2, laser emission element 1 is one of core of the utility model.Laser emission element 1 include according to
Secondary connected drive control unit 12, Laser Modulation unit 11, transmitting unit 10 and transmission optical unit 13, drive control unit
12 pairs of laser lightwave signals control；Laser Modulation unit 11 loads the information into laser light wave letter using Electro-optical Modulation mode
On number；Laser lightwave signal is transferred to the external world by sending optical unit 13 by transmitting unit 10.
As shown in figure 3, laser pick-off unit 2 is the receiving portion of back wave.Laser pick-off unit 2 includes being sequentially connected
Optical unit 20, detector cells 21, signal demodulation and filter unit 22 and information process unit 23 are received, optical unit is received
20 receive the laser lightwave signal of external object reflection, and the lightwave signal is transferred to detector cells 21 according to optical design
Carry out photoelectric conversion；Signal demodulation and filter unit 22 carry out signal demodulation and filtering to the electric signal from detector cells 21
Processing, and other noise signals and others' signals of vehicles are weeded out；Information process unit 23 will be filtered through signal demodulation
Treated the signal of unit 22 forms 3D point cloud data, and is sent to signal processing unit)；
Detector cells 21 are made of the receiving sensor that multiple arrays are arranged.
As shown in figure 4, big lamp driver unit 4 is the light drive part on vehicle.Signal processing unit 3 is image recognition
Key component.Signal processing unit 3 includes acquisition unit 30, the first communication unit 31 and MCU processing unit 32, acquisition unit
30 and first communication unit 31 be connected with MCU processing unit 32；Collected 3D point cloud data are transferred to by acquisition unit 30
MCU processing unit 32；MCU processing unit 32 is according to filtering and noise reduction sound algorithm, KD tree algorithm, algorithm of convex hull and throe-dimensional temperature
3D point cloud data conversion at spatial image, and is identified the vehicle in image, humans and animals by algorithm, re-form dark space angle and away from
From information；The dark space angle and distance information that MCU processing unit 32 is handled is sent to big lamp driver by the first communication unit 31
Unit 4.
As shown in figure 5, big lamp driver unit 4 includes the second communication unit 40 being sequentially connected, control unit 41 and drives
Moving cell 42, communication unit 40 receive the dark space angle and distance information from signal processing unit 3；Control unit 41 passes through pole
Coordinate transformation handles dark space angle and distance information, and dark space angle and distance information is converted into the corresponding irradiation of left and right car light
Angle and luminance information；The information is sent to the execution unit 5 by driving unit 42 in the form of control command.
As shown in fig. 6, the left mesh system 62 of laser radar and the right mesh system 61 of laser radar are installed on inside the car light of left and right.Swash
The right mesh system 61 of optical radar and the left mesh system 62 of laser radar can communicate with each other.
Limitation to scope of protection of the utility model, those skilled in the art should understand that, in the skill of the utility model
On the basis of art scheme, the various modifications or variations that can be made by those skilled in the art with little creative work still exists
Within the protection scope of the utility model.
Claims (8)
1. a kind of new A DB headlamp control system, it is characterised in that: it includes the laser radar system being sequentially connected, headlight
Actuator unit (4) and execution unit (5), the laser radar system include laser emission element (1), the laser being sequentially connected
Receiving unit (2) and signal processing unit (3)；
The laser emission element (1) launches laser lightwave signal；The laser pick-off unit (2) receives objects in front reflection
Laser lightwave signal, and the lightwave signal is converted into digital signal；Signal processing unit (3) processing swashs from described
The digital signal of light receiving unit (2), identifies vehicle, the humans and animals in front, and obtains dark space angle and distance information；It is described
Big lamp driver unit (4) processing comes from the dark space angle and distance information of the signal processing unit (3), and the information is turned
Change the light and shade information of working region corresponding to the car light of left and right and light into；The execution unit (5), which receives, comes from the headlight
The control signal of actuator unit (4), executes movement.
2. new A DB headlamp control system according to claim 1, it is characterised in that: the laser radar system peace
Inside the car light of left and right.
3. new A DB headlamp control system according to claim 1, it is characterised in that: the laser emission element (1)
Launch the laser lightwave signal of array；
The laser emission element (1) is realized based on the mode for including phased array, Flash and MEMS.
4. new A DB headlamp control system according to claim 1, it is characterised in that: the big lamp driver unit
(4) LED light array unit or laser lamp array element are driven.
5. new A DB headlamp control system according to claim 1, it is characterised in that: the laser emission element (1)
Including drive control unit (12), Laser Modulation unit (11), transmitting unit (10) and the transmission optical unit being sequentially connected
(13), the drive control unit (12) controls laser lightwave signal；The Laser Modulation unit (11) uses electric light
Modulation system loads the information on laser lightwave signal；Laser lightwave signal is passed through the transmission by the transmitting unit (10)
Optical unit (13) is transferred to the external world.
6. new A DB headlamp control system according to claim 1, it is characterised in that: the laser pick-off unit (2)
At reception optical unit (20), detector cells (21), the signal demodulation being sequentially connected and filter unit (22) and information
It manages unit (23), the laser lightwave signal for receiving optical unit (20) and receiving external object reflection, and by the lightwave signal
The detector cells (21), which are transferred to, according to optical design carries out photoelectric conversion；The signal demodulation and filter unit (22) are right
Electric signal from the detector cells (21) carries out signal demodulation and filtering processing；The information process unit (23) will be through
The signal demodulation filter unit (22) treated signal forms 3D point cloud data, and is sent to the signal processing unit
(3)；
The detector cells (21) are made of the receiving sensor that multiple arrays are arranged.
7. new A DB headlamp control system according to claim 1, it is characterised in that: the signal processing unit (3)
Including acquisition unit (30), the first communication unit (31) and MCU processing unit (32), the acquisition unit (30) and described first
Communication unit (31) is connected with MCU processing unit (32)；The acquisition unit (30) transmits collected 3D point cloud data
To the MCU processing unit (32)；The MCU processing unit (32) at spatial image, and identifies 3D point cloud data conversion
Vehicle, humans and animals in image re-form dark space angle and distance information；First communication unit (31) will be at the MCU
The dark space angle and distance information of reason unit (32) processing is sent to the big lamp driver unit (4).
8. new A DB headlamp control system according to claim 1, it is characterised in that: the big lamp driver unit
It (4) include the second communication unit (40) being sequentially connected, control unit (41) and driving unit (42), the communication unit (40)
Receive the dark space angle and distance information for coming from the signal processing unit (3)；Described control unit (41) handles dark space angle
And range information, and dark space angle and distance information is converted into the corresponding irradiating angle of left and right car light and luminance information；It is described
The information is sent to the execution unit (5) by driving unit (42) in the form of control command.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820515687.6U CN208393215U (en) | 2018-04-11 | 2018-04-11 | A kind of new A DB headlamp control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820515687.6U CN208393215U (en) | 2018-04-11 | 2018-04-11 | A kind of new A DB headlamp control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621912A (en) * | 2018-04-11 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of new A DB headlamp control systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621912A (en) * | 2018-04-11 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of new A DB headlamp control systems |
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