CN104061511B - Motor vehicles signal designation and/or lighting device - Google Patents
Motor vehicles signal designation and/or lighting device Download PDFInfo
- Publication number
- CN104061511B CN104061511B CN201410100713.5A CN201410100713A CN104061511B CN 104061511 B CN104061511 B CN 104061511B CN 201410100713 A CN201410100713 A CN 201410100713A CN 104061511 B CN104061511 B CN 104061511B
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- China
- Prior art keywords
- circuit board
- printed circuit
- projecting unit
- pcb
- pedestal
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/50—Waterproofing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/49—Attachment of the cooling means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to a kind of projecting unit for light beam（100）, the projecting unit is used for the headlamp installed in motor vehicles（2）In.The projecting unit includes：At least two optical modules（20）, each optical module includes at least one semiconductor-type light source（101）With at least one optical projection means（23）, the semiconductor-type light source is secured to electrical connection supporting item；Control device（102）, the control device is two optical modules（20）Share；Common support part（14）, described two optical modules（20）With the control device（12）It is fixed on the common support part.The control device（102）Including printed circuit board (PCB)（32）Or flexible print circuit, the printed circuit board (PCB) are referred to as main printed circuit board, the printed circuit board (PCB) or flexible print circuit extend in this first plane, and first plane is transverse at least one optical module（20）The second plane for being extended of electrical connection supporting item.
Description
Technical field
The present invention relates to motor vehicles signal designation and/or lighting device.The present invention, which is especially, but not exclusively related to, to be used for
The lighting device of light beam is provided, the light beam realizes that each module produces the one of light beam by multiple modules in the matrix form
Part.
Background technology
In this device, each module includes light emitting diode（Hereinafter referred to as LED）, the light emitting diode is used for shape
Into the light source of module.However, LED generates substantial amounts of heat while it is working.Whole light beam is generated by the operation of the component of module,
Wherein each LED is separately driven, this causes the temperature inside device substantially to rise.Therefore, it is necessary to take measures to be closed
Suitable heat transfer is to cool down the component.
In addition, this device needs two additional components.First component is formed by control device, the control
Device ensures the matrix driving of LED.It is necessarily arranged to close to LED with optimize operation and for electromagnetism in terms of consideration.The
Two components are current converters, for supplying electric current for module.The two electronic components equally discharge heat and must be cold
But.
Moreover, it is contemplated that to the quantity and electromagnetic confinement of its connection to be realized, module, driver and converter it
Between electrical connection be not easy to be utilized as the standard attachment bands of lighting device offer to realize.
In addition, all these components in a device are mechanically integrated complicated and are difficult to realize.
Finally, each LED type module must be fixed to optical property of point-device position in order to provide optimization.But
It is the gradient for also seeking to allow to adjust light beam relative to horizontal direction.
The content of the invention
It is an object of the present invention to easy to make illumination and/or signal indicating device.
For this purpose, according to the present invention, there is provided a kind of projecting unit for light beam, it is used for installed in motor vehicles
In headlamp, including：
At least two optical modules, each optical module includes at least one semiconductor-type light source and at least one optics is thrown
Injection device, the semiconductor-type light source are secured to electrical connection supporting item；
Control device, the control device are shared by two optical modules；
Common support part, two modules and control device are fixed on the common support part, the projecting unit
Feature is that control device includes printed circuit board (PCB)（It is referred to as main printed circuit board）Or flexible print circuit, it is first
Extend in plane, the second plane that first plane is extended transverse to the electrical connection supporting item of at least one optical module.
Common support part, it is such, it is ensured that the machinery holding of two modules and control device, easy to the system of projecting unit
Make.This attribute really being mechanically integrated of various components for the projecting unit, to their supporting item, to these components
Heat dissipation, the electrical connection to them be contributive.
It should be noted that the optical projection means of optical module and the light source of the same optical module coordinate.Here, should
Work as understanding, the light sent by light source is shaped as light beam, which will be projected at least in part by optical projection means
Lu Shang.For example, the optical projection means can be at least one lens, or at least one reflector or reflector and at least one
The combination of lens.
One or more semiconductor-type light sources are light emitting diodes（Hereafter represented with abbreviation LED）It is directed to send sharp
The laser diode of light radiation.
According to an aspect of the present invention, two optical modes are in the block at least one, it is advantageous that all optical modules,
Including heat dissipation device, the heat dissipation device is designed at least one of the heat that dissipation is generated by semiconductor-type light source
Point.The heat dissipation device can also ensure to accommodate the overall cooling of its optical module in an independent way.Heat dissipation device can
To be formed by radiator, the radiator has base and multiple cooling fins.
According to another aspect of the present invention, heat dissipation device is contacted with the printed circuit board surface of optical module.This ensures
The heat that will be present on printed circuit board (PCB) is transferred to heat dissipation device well.According to example, the printed circuit board (PCB) of the module
It is coated on the base of radiator formation and is fastened to the base of radiator formation.
Accoding to exemplary embodiment, at least one optical module, it is advantageously that all optical modules, are fixed by screw,
Ensure the mechanical linkages between the heat dissipation device and common support part of module.
In the frame of the present invention, it is ensured that the electrical connection supporting item of the connection of light source can be considered based on many aspects.
According to the first variation, it is printed circuit board (PCB), commonly referred to as PCB（That is the contracting of Printed Circuit Board
Write）.For example, it can be multi-layer PCB, usually by the epoxy resin composite of glass fiber reinforcement（Commonly referred to as term FR-4
Material）It is made.In this variation, the printed circuit board (PCB) of the module is then referred to as auxiliary printed circuit board (PCB), in order to control
The main printed circuit board of device is distinguished.
According to the second variation, the heat dissipation device that supporting item is optical module is electrically connected, it is then conductive at least in part；Hair
Optical diode is sub- installation（submount）It is type or subbase die bed and according to so-called sub- mounting technique or subbase bottom technology
It is directly secured on the surface of dissipator.Per height installation or sub- basal region by wire link according to be commonly referred to as term
" conducting wire pressure welding（wire-bonding）", " stringing（wiring）" or the technology of " bridge joint " be connected to power driving circuit.Such
The installation of type is for example described in patent application EP1903276.For fixing the technology of electronic unit in light emitting diode
In the case of be especially advantageous because light emitting diode is more accurately positioned in optical module by its permission, also as its
Ensure more preferable heat dissipation effect and thereby, it is ensured that their task performance.In the first embodiment, it being capable of design complexities
Lower and large-scale printed circuit board (PCB), including the component of light emitting diode feeding is used only for driving and adjusts, because the latter
No longer it is directly mounted on wherein.In a second embodiment, these drivings of light emitting diode feeding and regulating member are gathered
Collection is in electronic chip, and the electronic chip also install or in a manner of subbase bottom on the surface of dissipator by quilt：No longer
There are any printed circuit board (PCB).
Then, according to the variation implemented, light emitting diode is directly fastened to printed circuit board (PCB) or by directly solid
It is scheduled on the surface of dissipator, this is realized according to so-called sub- installation or subbase bottom technology, and the dissipator is connected to or not
The printed circuit board (PCB) being connected on optical module.
According to the one side of the projecting unit, therefore control device includes printed circuit board (PCB)（It is referred to as main printed circuit
Plate）, it extends in this first plane, and first plane is extended transverse to the printed circuit board (PCB) of so-called auxiliary optical module
Second plane.Advantageously, first plane is perpendicular to or substantially perpendicular to the second plane.The relative positioning of these planes is managed
Solve is near electric coupling area at least between auxiliary printed circuit board (PCB) and main printed circuit board.
Auxiliary printed circuit board (PCB) and main printed circuit board are parallel.Or be in addition expressed as, these circuit boards intersect.
According to an aspect of the present invention, which includes at least one passing through for what auxiliary printed circuit board (PCB) was passed through
Open up mouth.It is at this it should be appreciated that at least one in auxiliary printed circuit board (PCB), it is advantageous that the auxiliary printing electricity of all optical modules
Road plate, by the square through common support part.This is the arrangement of optical module, which is easy to their installation, and if needs
Will if, which is easy to the dismounting of their replacement for defective optical module, this entirety in the projecting unit
There is considerable advantage in terms of cost of manufacture.
According to a variant embodiments, auxiliary printed circuit board (PCB) is mechanically maintained on optical module, and not with
Extend in the case of common support part Mechanical Contact in pass through openings.This scheme is easy to optical module relative to shared branch
Support member is adjusted along with shared supporting item along the parallel direction of the plane where the extension of its length.
Supplement embodiment, main printed circuit board are equipped with through hole according to the present invention, and auxiliary printed circuit board (PCB) passes through the through hole.
This scheme makes it possible to auxiliary printed circuit board (PCB) being connected electrically in the exposure of main printed circuit board.
According to an aspect of the present invention, at least one auxiliary printed circuit board (PCB), it is advantageously that the auxiliary print of all optical modules
Printed circuit board is electrically connected to main printed circuit board by least one flexible linking member.It is no matter this flexible so that auxiliary printed circuit
How position of the plate on the length direction of main printed circuit board, which can ensure, makes electrical contact with.Then, easy to the tune of optical module
It is whole, because being avoided with the relevant any problem that is electrically connected of main printed circuit board.
Accoding to exemplary embodiment, flexible linking member is at least one elastic contact pin, and the elasticity contact pin is against auxiliary print
The surface bearing of printed circuit board is linked without welding.This scheme greatly facilitate relevant optical module maintenance and mutually
Change, printed circuit board (PCB) slides in the extraction of optical module or insertion process along the contact pin because supplemented by.Can also be by optics
Module arrangement is in optical optimization position, to ensure to obtain good electrical contact.
According to the one side of projecting unit, main printed circuit board is contacted with shared support surface.This is ensured main print
Heat present on printed circuit board is transferred to common support part well.
Accoding to exemplary embodiment, common support part is heat dissipation device, and the heat dissipation device is designed to dissipate by main printing
At least a portion of the heat of circuit board generation.According to an example, heat dissipation device is metal, is especially made of aluminium alloy.
According to another example, the heat dissipation device is designed to the heat generated by least one semiconductor-type light source that dissipates
At least a portion, especially by least a portion of the heat of heat dissipation device on the plate from optical module.
Alternately, common support part can be made of heat insulator.
According to the exemplary embodiment of projecting unit, at least one optical module, it is advantageous that all optical modules, and
Main printed circuit board is arranged in the opposed surface for defining common support part.Therefore, optical module and main printed circuit
Plate is located on the both sides of common support part.
The present invention is also directed to a kind of grenade instrumentation for light beam, and the grenade instrumentation is used to be installed in motor vehicle
Headlamp in, the headlamp of the motor vehicles includes pedestal, includes at least one throwing of any one of features described above
Unit is penetrated to be installed on the pedestal.
It is at least one in projecting unit according to the grenade instrumentation example, it is advantageous that all projecting units,
By means of linking or being fully engaged on pedestal completely, that is to say, that this is prohibited between projecting unit and pedestal
Any rotation.Accoding to exemplary embodiment, this links or is fully engaged completely and can be accomplished by the following way：
The rib on common support part and the cooperation of the slideway made at the surface location of pedestal or height level are formed in,
Vice versa；
The welding carried out between the common support part and pedestal of projecting unit；
By means of the link realized through pedestal and one or more screws being clamped on common support part；Or
At least two combination in these above-mentioned modes.
According to example, this, which links or be fully engaged completely, implements, in the end of common support part, especially formed altogether
On edge with the plate of supporting item.
It is at least one in projecting unit according to another example, it is advantageous that all projecting units, by means of pivoting chain
Connect on pedestal.Common support part and pedestal especially include one or more bearings transverse to axis., should according to example
Pivot link is realized in the end of common support part, is especially realized on the edge of plate for forming common support part.It is this
Scheme has the advantages that the static or dynamic adjustment for realizing projecting unit.Thus it is possible to adjust the light beam phase of grenade instrumentation
Inclination for horizontal direction.
According on one side, grenade instrumentation includes power converter, for supplying an electric current to optical module and especially
It is directly fastened to pedestal.Herein it should be appreciated that main printed circuit board ensure signal from the driving of vehicle, diagnose and connect and transmit/receive
Send and ensure signal to the driving of vehicle, diagnosis and reception/transmission, and same power converter provides and connects projecting unit
The required electric energy of light source of the optical module of two parts.
Accoding to exemplary embodiment, power converter is contacted with base-plates surface, and the pedestal is designed to dissipate by power
At least a portion for the heat that converter is generated.Outside the effect for removing its mechanical common support part, which also assures
Cooling effect on power converter.
According to illustrative embodiments, power converter and at least one projecting unit are arranged in the opposed side of pedestal
On, i.e., on the both sides of pedestal.Therefore the accumulation of heat in the same area is avoided, because projecting unit is in pedestal
It is dissipated on first side in air, and power converter dissipates on the second side of pedestal, second side is with the first side by base
Seat separates.
Pedestal has pass through openings, and it is single to be electrically connected at least one projection by power converter described in the pass through openings
Member, it is advantageous that all projecting units.For driving light source and therefore being tied for the required all devices of light source power supply
Tie up and link together.
According to example, power converter is connected at least one projecting unit by means of flexible-belt.Suchlike flexibility
Band is passed through the opening in pedestal.
Grenade instrumentation can include at least one anti-leak seal contacted with pedestal and power converter.In being that of avoiding
Foreign matter enters in the region for the headlamp for accommodating projecting unit.In pedestal and the deformation for the hole grafting being formed in headlamp housing
In, it is therefore prevented that these foreign matters is entered in the internal volume of headlamp.
According to example, there is provided a kind of fan, the fan are fixed on pedestal, are especially directly fastened to pedestal.Its with
The angle for increasing cooling lifts vortex of the air in the adjacent domain of projecting unit.
According to the one side of grenade instrumentation, power converter includes the radiator for being designed to heat dissipation.The radiator
Cooling system can be formed, the cooling system fully dissipates the heat generated by power converter.Alternately, the heat
The dissipation of amount can be shared between the radiator and the pedestal of grenade instrumentation.According to example, which can also form boundary
Determine the housing of the shell of power converter.
Common support part and pedestal form electromagnetic shielding.This can limit the remainder that electromagnetic interference travels to vehicle.
Finally, the present invention covers a kind of headlamp of motor vehicles, and the headlamp of the motor vehicles is included as described above
At least one projecting unit or at least one grenade instrumentation any one of as characterized above.
Advantageously, grenade instrumentation includes the anti-leak seal contacted with the housing of pedestal and headlamp.Therefore, the pedestal pair
It is contributive in the leakproofness of headlamp, for the foreign matter for preventing from being easy in the internal volume for penetrating into headlamp, that is, prevents
Foreign matter is penetrated into the internal volume of headlamp between the enclosed crystal or crystal face that housing and illuminating bundle passed through.At this
In the case of kind, at least one surface and the air stream outside headlamp of pedestal and/or power converter swap.
It is an advantage of the present invention that integrated on same common support part of the building block of optical module and by
It is controlled in same control device.
Another advantage is, to optimize the reasonable management that required heat dissipation is implemented in the operation of projecting unit.
Another advantage is good water proofing property and good electromagnetic protection.Furthermore it is possible to manufactured with standard configuration
The projecting unit, the standard configuration allow it according to the model of the desired projecting unit made to adjust each of optical module
The various quantity of kind arrangement and optical module.In a similar way, the common support of the composition part of projecting unit can be used
Part is come the heat of dissipate optical module and/or control device.
The advantages of grenade instrumentation is, its with can by the light beam of device, inclined function is compatible relative to horizontal direction,
The horizontal direction forms the optical axis of grenade instrumentation.
Brief description of the drawings
Here, we give the implementation of projecting unit according to the present invention referring to the drawings, by means of non-limiting example
Example and the grenade instrumentation for including at least one unit according to the present invention, in the accompanying drawings：
Fig. 1 is the perspective view of the headlamp for motor vehicles of an embodiment according to the present invention；
Fig. 2 is the perspective view of the exemplary embodiment for the grenade instrumentation for including projecting unit according to the present invention；
Fig. 3 is projecting unit shown in Figure 2 and grenade instrumentation including the unit parallel with vehicle traveling direction
Perpendicular in sectional view；With
Fig. 4 and Fig. 5 is two perspective views of the front and back of the grenade instrumentation of Fig. 2, and wherein module has been removed.
Embodiment
Referring to figs. 1 to 5 illuminations for describing motor vehicles and/or signal designation headlamp 2.
Be used below orthogonal reference system XYZ, wherein X and Y-direction be horizontal and respectively parallel and perpendicular to
The direct of travel of vehicle, while Z-direction is vertical direction.
Headlamp 2 includes the grenade instrumentation 4 for ensureing illumination functions.It should be appreciated, however, that grenade instrumentation can also ensure one
Kind or more plants signal designation function, or it can be separately formed signal indicating device.
The construction of headlamp 2 can be formed as by its own a variety of illumination functions of guarantee, and including such as mesh for this
The a variety of projecting units similar with the projecting unit that will be described here.
Headlamp 2 includes the housing 6 and crystal or crystal for extending respectively to the rear portion of device and extending before device
Face（crystal）8, they limit the inside encirclement structure for accommodating grenade instrumentation 4.
Grenade instrumentation 4 includes one or more projecting units 100.The function of projecting unit 100 is to produce the photograph of specification
Mingguang City's beam, such as passing beam, driving beam, the daytime signals beam of light, fog lamp light beam or remote light beam, and project it onto
On road.
This projecting unit 100 includes at least two optical modules 20.Each optical module 20 is partly led including at least one
Build light source 101, it is so-called light emitting diode（LED）.Certainly, each optical module 20 can include multiple LED.Each
Optical module 20 further includes printed circuit board (PCB) 26, and one or more LED is for example fixed by welding in the printing electricity
On road plate 26.The printed circuit board (PCB) hereinafter referred to supplemented by printed circuit board (PCB), transmit electric power to LED from electronic control unit 102.
Auxiliary printed circuit board (PCB) can include electronic unit.
Each optical module 20 further includes at least one grenade instrumentation 23, it can be for example by one or more
Mirror, reflector are formed by the combination of these technique devices.According to this example, lens are placed on before optical module 20
And by light-ray condensing emitted by the LED to form the light beam projected on road.
Projecting unit 100 further includes the control device 102 of two optical modules 20 of control.The control device 102 is included extremely
A few main printed circuit board 32, it is common to two optical modules 20 of driving.In addition, carried by the main printed circuit board
At least a portion in element, such as track or electronic unit, are common to two optical modules.These optical modules 20 therefore can
Simultaneously or separately to be driven.
Projecting unit 100 according to the present invention further includes single common support device 14, two optical modules 20 and control
Device 102 processed is fixed on single common support device 14.Accoding to exemplary embodiment, printed circuit board (PCB) 32 is covered in or is laid with
In on a face of common support device 14, thereby guarantee that the good heat transfer from plate to common support device 14, so after
Person is used as heat dissipation device.
Optical module 20 can include heat dissipation device 21, set the dissipation of heat for being used for producing LED101 into air.
This heat is advanced before heat dissipation device 21 is reached via auxiliary printed circuit board (PCB) 26, therefore heat dissipation device 21 also serves as auxiliary print
The mechanical support of printed circuit board and grenade instrumentation 23.Auxiliary printed circuit board (PCB) 26 is therefore for example directly or via hot glue or adhesive
The planar part surface of periphery with limiting heat dissipation device 21 contacts.
At least one optical module 20 is threaded io common support device 14.Heat dissipation device 21 is covered or is layed in altogether
On face with support device 14, to receive a part hot present on heat dissipation device 21.Common support device 14 is therefore
Also guaranteed heat consumption it is in bulk put 21 heat sinking function.Common support device 14 also has the function of machinery holding, because heat dissipation device
21 are threadedly coupled on common support device 14.
Main printed circuit board 32 extends in the first plane, and the first plane is transverse to two the second planes, wherein each light
The each auxiliary printed circuit board (PCB) 26 for learning module 20 extends in the second plane.Exemplary embodiment in figure, the first plane
It is vertical with the second plane, or substantially vertical.
These plates must be electrically connected to each other, they be cooperation be favourable.Therefore, main printed circuit board 32 is included at least
One through hole 103, auxiliary printed circuit board (PCB) extend through through hole to be electrically connected to main printed circuit board 32.Certainly, main printing electricity
Road plate 32 can include multiple through holes 103 with the optical module in projecting unit according to the present invention as many.
In a similar way, common support device 14 can include pass through openings 36, and auxiliary printed circuit board (PCB) 26 extends through
Pass through openings 36.It is therefore to be understood that optical module 20 is arranged on the side of common support device 14, and main printed circuit board
32 are arranged on the face opposite with the face of receiving optical module 20 of common support device 14, and pass through openings 36 allow to will be auxiliary
Printed circuit board (PCB) 26 is electrically connected to main printed circuit board 32.
It should be noted that auxiliary printed circuit board (PCB) extends in through hole and/or in pass through openings, and except at least one flexibility even
Connect outside element 40 without any Mechanical Contact.Such configuration or structure allow to easily adjust optical module 20 in common support
Positioning on device 14.
Electrical connection between one or more auxiliary printed circuit board (PCB)s 26 and main printed circuit board 32 is by one or more
Multiple flexible linking members 40 ensure.Accoding to exemplary embodiment, flexible linking member 40 is by being supported on auxiliary printed circuit board (PCB)
At least one elastic contact pin on 26 face（sprung tab）Formed, be welded to connect without any.Herein, this causes supporting
Surface in orbit contacts or in connecting salient points present on auxiliary printed circuit board (PCB) 26（bump）.In the opposite of elastic contact pin
End, elastic contact pin are for example attached to main printed circuit board 32 by solder bump in a manner of hyperstatic.
Accoding to exemplary embodiment, common support device 14 is heat dissipation device, is designed to dissipation main printed circuit board 32
The whole of generation is hot or part is hot.Main printed circuit board 32 is therefore for example directly or via pawl or pincers or hot adhesion agent with limiting
The planar part surface contact of the periphery of common support device 14, in this way, common support device 14 is used as heat dissipation device.
The grenade instrumentation 4 for supporting for example previously described one or more projecting units will now be described.
Grenade instrumentation 4 includes pedestal 12, and common support device 14 is fixed on the base.In this example, 12 He of pedestal
Each shape with substantially plate of common support device 14.However, each of which can be arranged to different shapes,
Especially uneven or nonplanar shape.Pedestal 12 is parallel to X and Y-direction, and common support device 14 is parallel to Y and Z side
To, when it is to tilt relative to common support device 14 except.Common support device 14 is integrally disposed in pedestal
12 tops.
Accoding to exemplary embodiment, common support device 14 can be movably mounted at pedestal via pivot link 104
On 12.In this case, common support device 14 can also be known as wing plate（flap）.In this case, it is with pedestal 12
Around 16 articulated type of the rotation axis connection parallel to direction Y.Know that common support device 14 carries light source, then this articulated type
Connection allows to adjust the light beam of these light sources relative to the gradient of X-direction.Axis 16 is in the center section of pedestal 12
Extension.Especially, common support device 14 and pedestal 12 can include two or three bearings, and rotation axis passes through these bearings.
Alternatively, common support device 14 can be by linking or being fully engaged completely（complete link）It is connected to
Pedestal 12, that is to say, that do not allow any movement of the component relative to another component.
Grenade instrumentation 4 includes optical module 20, its quantity in this is five, but this quantity can be than this value more
It is more or less.Optical module is the same in this example.
Each module includes the light source formed here by one or more LED.It further includes reflector and use
Such as the grenade instrumentation of the form of lens 23.One or more LED, reflector and lens are special for each module
Fixed.In each module, reflector extends at the rear portion of LED, and lens extend before LED.In addition, reflector can be tight
Adjacent common support device 14, one or more diodes are inserted between reflector and grenade instrumentation in X direction.
Each optical module 20 can include the auxiliary printing of housing 22 and the electronic component including one or more LED
Circuit board 26.
The heat dissipation device 21 of each optical module 20 can include rib on the lower surface thereof, to ensure by one
Or more LED release hot dissipation, and the hot dissipation discharged by auxiliary printed circuit board (PCB) 26.
Optical module 20 is arranged in two horizontal lines in this case, in described two horizontal lines one on another
Fang Yanshen, row herein below include three optical modules, and row above includes two optical modules.Of course, it is possible to adjust every
The quantity of capable optical module 20 and the arrangement of row.The corresponding optical axial of the module is parallel to each other, and according to shared
The orientation of support device 14, is slightly tilted parallel to X-direction or relative to X-direction.
Optical module 20 is for basis of formation light beam, they are mutually combined generation and are sent out by headlamp 2 with a matrix type
The beam penetrated.This can have "cut-off"line or the primary beam without "cut-off"line type.It may, for example, be distance light
Light beam, passing beam or illuminating bundle in the daytime.
Each optical module 20 has the rear surface 28 of plane, it is perpendicular to X-direction and is placed with and is also perpendicularly to X
30 surface of the planar front surface contact of the common support device 14 in direction.Thereby it is ensured that filled from optical module 20 to common support
14 heat transfer is put, is realized especially by heat dissipation device 21.Auxiliary printed circuit board (PCB) 26 is in the plane perpendicular to Z-direction
Extension.Each optical module 20 is for example rigidly fixed to common support device 14 by least one screw 38.
Projecting unit 100 includes electronic device, and the electronic device ensures to drive the component of optical module 20.This is control
Device 102, it includes main printed circuit board 32.The control device 102 is so that it is expected the beam class produced especially as it
The function of type controls opening or closing for optical module 20.Main printed circuit board 32 is plane and perpendicular to X-direction
Plane in extension.
Main printed circuit board is contacted with 34 surface of rear surface for being also perpendicular to the direction of shared support device 14.Optics
Therefore module 20 is arranged on the opposite side of common support device 14 with control device 102.This control device 102 and altogether
The heat transfer from main printed circuit board 32 to common support device 14 is also ensured that with the contact of support device.
Common support part 14 and main printed circuit board 32 are each respectively including at least one pass through openings 36 and marked as 103
Through hole.These pass through openings 36 and these through holes 103 overlap, that is to say, that one face another one at least in part.Each
Each auxiliary printed circuit board (PCB) 26 of optical module by pass through openings 36 and through hole 103 formed to middle extension.
As shown in Figure 5, for example, upper pass through openings 36 are that two optical modules of upper row share, and lower perforation
Opening 36 is that three optical modules of lower row share.The auxiliary printed circuit board (PCB) 26 of each optical module 20 thus in common support
Extend on the both sides of part 14.Specifically, it exposes from through hole 103 to extend at the rear portion of main printed circuit board 32.
For each optical module 20, the electrical connection between its auxiliary printed circuit board (PCB) 26 and device main printed circuit board 32
Ensured by one or more flexible linking members 40.This needs electric connector, and the electric connector is non-flat by being formed into
Face flexible metal contact pin form and form spring.Therefore, the upper end of contact pin is rigidly fixed to main printed circuit board 32, while at it
Fixed horizontal position is parallel to main printed circuit board 32, and the lower end of contact pin is contacted with auxiliary printed circuit board (PCB) 26, while at it
Horizontal position residing for free end is parallel to auxiliary printed circuit board (PCB) 26.Auxiliary printed circuit board (PCB) 26 has a track, the track with it is each
A contact pin is electrically connected so that optical module 20 can be made to occupy multiple positions relative to common support part 14, more particularly along
X or Z-direction, without destroying the electrical connection between contact pin and auxiliary printed circuit board (PCB).Therefore, in order to from being electrically connected phase
Favorable optical performance in the case of the limitation of pass, can select for optical module 20 to be fixed on common support part 14
Optimize position.
According to an exemplary embodiment, grenade instrumentation 4 includes the electrical power translation building block powered for optical module 20.This
Component, or referred to as power converter 42, are rigidly directly fixed to the lower surface of pedestal 12.Therefore, this power converter
42 and common support part 14 and its element carried extend on the opposed both sides of pedestal 12.
Lower surface 44 carrier opposite with pedestal 12 of power converter 42 becomes the rib 46 of heat dissipation radiator.According to
One exemplary embodiment, this radiator can be by forming in the housing of periphery power limitation converter 42, this housing can
Accommodate one or more ribs 46.Grenade instrumentation 4 can include being arranged on pedestal 12 and power converter 42（Particularly its shell
Body）Between waterproof seal 48.
Pedestal 12 has pass through openings 50, and the connector 52 of power converter 42 extends through this pass through openings 50, this
Connector is electrically connected to control device 102 by means of flexible-belt 54 in itself.Equally it is that this connector is additionally coupled to and headlamp 2
Other parts link band 56.
According to an exemplary embodiment, pedestal 12 has a series of 60 forming apparatus of ribs or fin on the lower surface, its
Heat consumption is dissipated in the air of grenade instrumentation 4 by promotion.
Alternatively or supplementarily, it also carries fan 62 on an upper, which for example faces with optical module 20
Extend to face and surround their air-flow to produce.In the case, fan 62 is disposed on pedestal 12 so as to parallel to Z side
To side push up air-flow.Fan 62 not only brings forced convertion, but also in view of its position, blows cold air connect with pedestal 12
Touch.
Pedestal 12 also carries the anti-leak seal 64 that both contact with the upper surface of pedestal 12 and housing 6.In this case,
The lower surface of pedestal 12 and power converter 42 are arranged in outside the internal volume of headlamp 2, so as to dissipate the heat into preceding photograph
In air-flow around lamp 2.
During the running of grenade instrumentation 4, optical module 20 generates light beam.By a heat part for LED releases by heat dissipation
Device 21 dissipates and a part is conducted to common support part 14.
The heat discharged by main printed circuit board 32 is equally passed to common support part 14.Therefore, by common support part 14
A heat part for collection is directly dissipated by common support part 14 and a part is passed to pedestal 12.If turned by power
Do not dissipated before the heat that parallel operation 42 discharges by the radiator of power converter 42, then the heat is passed to pedestal 12.By base
The heat that seat 12 receives is dissipated partially by rib 60.
It was observed that be that used electrical connection band is only band marked as 54 and 56.All other structure of grenade instrumentation 4
Part is joined together by the device of motor vehicles, that is to say, that, it is not necessary to any with the remainder of headlamp is electrically connected
Connect.
Moreover, when pedestal 12 and common support part 14 are made of the suitable material such as metal or aluminium alloy, they are true
Protect the electromagnetic protection for being integrated in auxiliary printed circuit board (PCB) 26 and/or the electronic unit on main printed circuit board 32.
Certainly, in the case of without departing from the scope of the present invention, it is contemplated that a variety of modifications of the invention.
Although it is formulated to by by the shape of continuous belt generated driving beam adjacent to each other in the Y direction
Into, but it can be realized in the device that light beam is not formed in the matrix form.It can also be with light source one in addition to the led
Rise and use, such as, one or more laser light sources alternatively used with one or more combination of phosphors.
Claims (22)
1. a kind of projecting unit (100) for light beam, the projecting unit (100) is used for the preceding photograph for being installed in motor vehicles
In lamp (2), the projecting unit (100) includes：
At least two optical modules (20), each optical module include at least one semiconductor-type light source (101) and at least one
Optical projection means (23), the semiconductor-type light source are secured to electrical connection supporting item；It is characterized in that, the projecting unit
(100) further include：
Control device (102), the control device are shared by two optical modules (20)；
Common support part (14), described two optical modules (20) and the control device (102) are fixed on the shared branch
In support member,
The control device (102) includes printed circuit board (PCB) (32) or flexible print circuit, printed circuit board (PCB) (32) quilt
Referred to as main printed circuit board, the printed circuit board (PCB) (32) or flexible print circuit extend in this first plane, and described first
The second plane that plane is extended transverse to the electrical connection supporting item of at least one optical module (20).
2. projecting unit according to claim 1, wherein at least one including heat in described two optical modules (20)
Dissipation device (21), the heat dissipation device are designed at least the one of the heat that dissipation is generated by semiconductor-type light source (101)
Part.
3. projecting unit according to claim 2, wherein the printing of the heat dissipation device (21) and optical module (20)
Circuit board (26) surface contacts.
4. the projecting unit according to any one of preceding claims, wherein partly leading for the optical module (20)
The electrical connection supporting item of build light source (101) is printed circuit board (PCB) (26), is referred to as auxiliary printed circuit board (PCB).
5. projecting unit according to claim 4, wherein the common support part (14) includes at least one pass through openings
(36), the auxiliary printed circuit board (PCB) (26) passes through the pass through openings.
6. projecting unit according to claim 5, wherein the auxiliary printed circuit board (PCB) (26) is mechanically kept
On the optical module (20), and in pass through openings in the case of not with common support part (14) Mechanical Contact
(36) extension in.
7. projecting unit according to claim 4, wherein the main printed circuit board (32) is equipped with through hole (103), it is described
Auxiliary printed circuit board (PCB) (26) passes through the through hole.
8. projecting unit according to claim 7, the auxiliary printed circuit board (PCB) of wherein at least one (26) passes through at least one soft
Property connecting element (40) is electrically connected to main printed circuit board (32).
9. projecting unit according to claim 4, wherein the main printed circuit board (32) and the common support part
(14) surface contacts.
10. projecting unit according to claim 4, wherein the common support part (14) is heat dissipation device, the heat consumption
Scattered device is designed at least a portion for the heat that dissipation is generated by the main printed circuit board (32).
11. projecting unit according to claim 10, wherein the heat dissipation device is designed to dissipate by least one institute
State at least a portion of the heat of semiconductor-type light source (101) generation.
12. projecting unit according to claim 4, wherein at least one optical module (20) and main printed circuit board (32)
It is arranged in the opposed surface (30,34) for defining common support part (14).
13. a kind of grenade instrumentation (4) for light beam, the grenade instrumentation is used for the headlamp (2) for being installed in motor vehicles
In, the headlamp (2) of the motor vehicles includes pedestal (12), at least one according to any one of the claims
Projecting unit (100) is installed on the pedestal (12).
14. grenade instrumentation according to claim 13, wherein at least one projecting unit (100) is pacified by means of link completely
On pedestal (12).
15. grenade instrumentation according to claim 13, projecting unit (100) described in wherein at least one is by means of pivoting chain
(104) are connect on pedestal (12).
16. the grenade instrumentation according to any one of claim 13 to 15, including power converter (42), for by electric current
Supply is to optical module (20) and is attached directly to pedestal (12).
17. grenade instrumentation according to claim 16, wherein the power converter (42) is contacted with pedestal (12) surface,
The pedestal is designed at least a portion for the heat that dissipation is generated by power converter (42).
18. grenade instrumentation according to claim 16, wherein the power converter (42) and at least one projecting unit
(100) it is arranged on the opposed both sides of pedestal (12).
19. grenade instrumentation according to claim 16, wherein the power converter (42) is connected by means of flexible-belt (54)
It is connected at least one projecting unit (100).
20. grenade instrumentation according to claim 16, wherein the power converter (42) includes being designed to heat
The radiator of dissipation.
21. the grenade instrumentation according to any one of claim 13 to 15, is provided with being fixed to pedestal (12)
Fan (62).
22. a kind of headlamp of motor vehicles (2), the headlamp (2) of the motor vehicles is included as appointed in claim 1 to 12
At least one projecting unit (100) described in one or the grenade instrumentation (4) as any one of claim 13 to 21.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1352407A FR3003336B1 (en) | 2013-03-18 | 2013-03-18 | SIGNALING AND / OR LIGHTING DEVICES FOR MOTOR VEHICLES |
| FR1352407 | 2013-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061511A CN104061511A (en) | 2014-09-24 |
| CN104061511B true CN104061511B (en) | 2018-04-20 |
Family
ID=48289411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410100713.5A Active CN104061511B (en) | 2013-03-18 | 2014-03-18 | Motor vehicles signal designation and/or lighting device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2781826B1 (en) |
| CN (1) | CN104061511B (en) |
| FR (1) | FR3003336B1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3032561B1 (en) * | 2015-02-05 | 2023-05-12 | Valeo Vision | DEVICE FOR CONNECTING A LIGHT SOURCE TO AN ELECTRICAL SUPPLY DEVICE |
| FR3063129B1 (en) * | 2017-02-17 | 2019-04-12 | Valeo Vision | LIGHT MODULE WITH REDUCED DIMENSIONS |
| DE102017105997A1 (en) * | 2017-03-21 | 2018-09-27 | Valeo Schalter Und Sensoren Gmbh | Transmission device for an optical detection device of a motor vehicle with a specific pre-assembly module, optical detection device and motor vehicle |
| FR3064877B1 (en) * | 2017-03-31 | 2020-10-02 | Valeo Iluminacion Sa | ELECTRICAL POWER SUPPLY DEVICE WITH AT LEAST ONE LED AND AT LEAST ONE ELECTRONIC COMPONENT, INCLUDING AN ELECTRICAL POWER SUPPLY CONTROL CIRCUIT EQUIPPED WITH AN INSERT |
| EP3489082B1 (en) * | 2017-11-28 | 2021-10-06 | ZKW Group GmbH | Light module and vehicle headlamp |
| KR200495644Y1 (en) * | 2017-12-07 | 2022-07-14 | 에스엘 주식회사 | Lamp for vehicle |
| KR200495392Y1 (en) * | 2017-12-26 | 2022-05-13 | 에스엘 주식회사 | Lamp for vehicle |
| JP7298995B2 (en) * | 2018-06-05 | 2023-06-27 | 株式会社小糸製作所 | Manufacturing method of lamp unit |
| CN109442339A (en) * | 2018-10-19 | 2019-03-08 | 华南理工大学 | A kind of LED car high beam |
| US11149928B2 (en) * | 2019-12-02 | 2021-10-19 | Sl Corporation | Lamp with connection terminal and coupling member for vehicle and method for assembling the same |
| DE102021112674A1 (en) * | 2021-05-17 | 2022-11-17 | HELLA GmbH & Co. KGaA | Headlight for a vehicle with a new basic structure |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4102240B2 (en) * | 2003-04-08 | 2008-06-18 | 株式会社小糸製作所 | Vehicle headlamp |
| JP4264335B2 (en) * | 2003-12-05 | 2009-05-13 | 株式会社小糸製作所 | Vehicle headlamp |
| JP4536017B2 (en) * | 2006-02-08 | 2010-09-01 | 株式会社小糸製作所 | Vehicle headlamp |
| FR2906347B1 (en) | 2006-09-22 | 2008-12-12 | Valeo Vision Sa | LIGHTING MODULE |
| DE102009018447A1 (en) * | 2009-04-22 | 2010-11-04 | Automotive Lighting Reutlingen Gmbh | circuit board |
| DE102011003497B4 (en) * | 2011-02-02 | 2012-12-27 | Automotive Lighting Reutlingen Gmbh | Modular projection light module of a motor vehicle headlight |
| KR20120124840A (en) * | 2011-05-04 | 2012-11-14 | 삼성전자주식회사 | Light emitting diode driving apparatus and method for driving the same |
| DE202011100750U1 (en) * | 2011-05-16 | 2011-07-04 | Automotive Lighting Reutlingen GmbH, 72762 | Lighting device for a motor vehicle |
| US9134003B2 (en) * | 2011-06-13 | 2015-09-15 | Koito Manufacturing Co., Ltd. | Automotive headlamp, heat radiating mechanism, light-emitting apparatus and light source fixing member |
| FR2979970B1 (en) * | 2011-09-13 | 2019-11-29 | Valeo Vision | LIGHTING AND / OR SIGNALING DEVICE FOR MOTOR VEHICLE |
| CN202581045U (en) * | 2011-12-23 | 2012-12-05 | 刘松岳 | High-power high-brightness LED (light emitting diode) high-speed locomotive headlamp |
-
2013
- 2013-03-18 FR FR1352407A patent/FR3003336B1/en active Active
-
2014
- 2014-03-17 EP EP14160203.7A patent/EP2781826B1/en active Active
- 2014-03-18 CN CN201410100713.5A patent/CN104061511B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR3003336A1 (en) | 2014-09-19 |
| FR3003336B1 (en) | 2017-08-11 |
| CN104061511A (en) | 2014-09-24 |
| EP2781826A1 (en) | 2014-09-24 |
| EP2781826B1 (en) | 2017-10-18 |
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