CN103175083A - Headlamp with means for air guidance within the headlamp housing - Google Patents
Headlamp with means for air guidance within the headlamp housing Download PDFInfo
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- CN103175083A CN103175083A CN2012105592571A CN201210559257A CN103175083A CN 103175083 A CN103175083 A CN 103175083A CN 2012105592571 A CN2012105592571 A CN 2012105592571A CN 201210559257 A CN201210559257 A CN 201210559257A CN 103175083 A CN103175083 A CN 103175083A
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- Prior art keywords
- headlight
- air
- ducted body
- dimensionally stable
- gas outlet
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- 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
- F21S45/30—Ventilation or drainage of lighting devices
- F21S45/33—Ventilation or drainage of lighting devices specially adapted for headlamps
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The headlight (1) has a housing (3) having a light exit opening, and a transparent cover plate (8) for covering the light exit opening. The ventilation opening (2) and vent (4) are arranged in the housing. The housing is provided with a hollow structure containing air inlet (13), air outlet (14) and a dimensionally stable pipe section arranged between air inlet and air outlet. The hollow structure is configured to guide the air stream flowing from ventilation opening to the vent within the housing.
Description
Technical field
The present invention relates to a kind of headlight for motor vehicle, it comprises: have the housing of light delivery outlet, transparent mask, at least one air vent in housing and at least one vent of covering light delivery outlet.
Background technology
This headlight is known by DE10026487A1.
Under certain weather conditions, the mask of headlight can coagulate water internally.If appearance when this is mainly cooling after headlight operation is the originally also moisture of hot air condensation on the mask that turns cold of headlight inside.Condensate can affect outward appearance and the transmission of mask when moving next time.
The mask of solidifying water should be again dry after the motor-driven vehicle going certain distance.In known headlight, this point realizes by the air vent on headlight and vent.Pressure reduction between described hole, that produce in motion is used for changing the air in headlight, and therefore moisture is discharged.The discharging of moisture is controlled by amount and the speed of air basically, and this air is encountered mask or flow through from its side.
In addition, the amount of the air of the headlight of flowing through and speed also affect the discharging of heat from headlight, and this is even more important in having the headlight of semiconductor light sources.This semiconductor light sources has the metal cooling body usually, the heat that this cooling body discharges be absorbed in semi-conducting material when semiconductor light sources is moved in, and be discharged in the air of headlight.
In modern automotive, headlight still makes the attracting design element of the outward appearance of motor vehicle.They have the shield element that is positioned at enclosure interior for this purpose, and this shield element has for example been hidden the technology element that produces the assembly of light, and this assembly should be can't see from the outside.At this, between the parts (the especially light gasing surface of lens and/or reflector) of not hiding of shield element and this assembly, the gap can appear.Due to predesignating of moulding aspect, this gap is also designed more and more narrowly.The gap of this shield element self and the compact design that stays between shield element and all the other headlight parts can affect the air-flow in headlight, and therefore affects moisture and/or the discharging of heat from headlight.
Summary of the invention
Under this background, the object of the invention is to, provide a kind of headlight of aforementioned type, even if it has also realized better ventilation on the key position of enclosure interior.
This purpose is achieved by the feature of claim 1.Difference by headlight of the present invention and known headlight is, this headlight has guide device, it is used for guiding the inside at housing to flow to the air-flow of vent from air vent, and it has the ducted body of dimensionally stable, this ducted body has air inlet and at least one gas outlet, and has the conduit part section of the dimensionally stable between air inlet and this at least one gas outlet.
By the device of the stable ducted body of application of shape as the guiding air, the present invention can be directed to the air that flows through headlight on surface and/or zone that enclosure interior will flow to targetedly, described surface and/or zone refer to the inner surface of transparent mask, the surface of cooling body or another zone of housing inner chamber, and therefrom discharge moisture and/or heat.
The ducted body that application of shape is stable also can make the air dispersion that flows through ducted body to a plurality of gas outlets of ducted body, and on a plurality of positions in therefore being distributed in housing.Therefore, mask for example can be flowed into by the gas outlet on a plurality of length that are dispersed in mask, this targetedly dispersion train to the air of mask.
The member of dimensionally stable is that with the difference of the elastic hose that can buy its intrinsic rigidity is higher.By this higher intrinsic rigidity, ducted body with its air inlet and gas outlet the air that flows out in housing on stable position and in therefore being arranged on headlight on stable direction.In addition, this higher intrinsic rigidity also can be realized the moulding of fixed geometry, and it can make ducted body be fixed in housing, and this fixing position is accurate and the location cost is lower.
In addition, due to this higher intrinsic rigidity, and due to the feasibility of the moulding of fixed geometry, can avoid crimp that flow cross section is dwindled, this crimp for example may occur fixedly the time at flexible pipe and hose clamp.Also can avoid other other resistance that improves flow resistance, the flex point of elastic hose for example, this flex point may occur installing in inaccurate situation.
Another advantage of the intrinsic rigidity that this is higher is, can and construct very changefully cross section and the trend of ducted body in the centre of all the other headlight fixtures in the inside of housing.
In addition, this intrinsic rigidity and shape stability also can make the gas outlet of ducted body be designed to nozzle-like.Therefore, air can deflect on predefined zone (for example regulation of mask zone) targetedly.
Preferably structural scheme is characterised in that, air vent is arranged on the different outer surfaces of headlight from vent.
Further preferably, the ducted body of dimensionally stable is made with two sheet metal forming methods (TwinSheet Forming) by the thermal deformation of plastics.
In addition preferably, this ducted body has retaining element, this retaining element material is molded on ducted body with engaging, and is set to be connected with the housing of headlight and/or the fixture of headlight by the fixed form as screw, clamp, clasp or clip, so that fixing ducted body.
Further preferably, the ducted body of this dimensionally stable is made of as polypropylene firm plastics.
In addition preferably, the ducted body of dimensionally stable has at least one other gas outlet between its air inlet and gas outlet, described gas outlet for for the air that flows in ducted body from this air inlet farthest.
Another preferred structural scheme is characterised in that, the section's section that flows out cross section of guiding into of the ducted body of dimensionally stable has on its length cross section uniformly, also or also have to be the cross section that nozzle-like narrows down, or it has the cross section that is the expansion of Wen's nozzle-like.
Further preferably, the ducted body of this dimensionally stable constitutes monomer so member that material is linked together with engaging.
Alternative and preferably, the ducted body of this dimensionally stable is formed by a plurality of parts windings, especially formed by the first member and second component winding.
At this preferably, this first member has air inlet and the first gas outlet, and second component has at least one second gas outlet.
At this further preferably, these two members are connected with each other by patching to connect, and this patches connection and consists of especially like this, namely has unlimited flow cross section in its open position between the first member and second component.
Another preferred structural scheme is characterised in that, this ducted body has at least one cooling-air outlet, and it arranges like this, makes at least one member to be cooled in the air flow headlight of this place outflow.
At this preferably, member to be cooled refer to headlight semiconductor light sources cooling body and/or refer to the control appliance of headlight.
By drawing other advantage in dependent claims, specification and accompanying drawing.
Should be understood that and above-mentioned and followingly also the feature of setting forth can not only be used with each self-explanatory combination, and can also be with other combination or use individually, and can not depart from scope of the present invention.
Description of drawings
Embodiments of the invention shown in the drawings, and be described in detail in the following description.Wherein illustrate with schematic form respectively:
Fig. 1 shows technical field of the present invention, and its form is the obviously schematic front view of front headlight of motor vehicle;
Fig. 2 shows the profile of the headlight of Fig. 1;
Fig. 3 shows obviously schematic embodiment of the present invention;
Fig. 4 shows the moulding of the ducted body of dimensionally stable;
Fig. 5 shows another moulding of the ducted body of dimensionally stable;
Fig. 6 shows the perspective view of the headlight of cutting open, and it has the structure of the ducted body of headlight fixture and dimensionally stable; And
Fig. 7 shows the structure of the ducted body with cooling-air outlet, and this cooling-air outlet makes the member to be cooled of air flow headlight inside.
The specific embodiment
Fig. 1 at length shows known headlight 1 in front view, namely from the direction opposite with the main direction of illumination of headlight 1.Fig. 2 shows the profile of this headlight.Known headlight 1 has air vent 2 in the lower part of its housing 3, and has vent 4 in the upper part of its housing 3.Concept below and top orientation and the layout when this refers to during headlight is applied in motor vehicle in accordance with regulations, so lower part refers to the parts in close track of the housing of headlight 1.
When headlight 1 was used in accordance with regulations, its orientation in the space represented by statement x-, y-and z-direction.The x-direction is parallel to the longitudinal axis of motor vehicle, and the y-direction is parallel to transversal line, and the z-direction is parallel to the vertical axis of motor vehicle.This point is applicable to other accompanying drawing of having mentioned these directions too, so these orientation statements have realized respectively the relation between the different sight direction, the object from these direction of visual lines in the different accompanying drawings of observation.
The cavity volume of this housing 3 is divided into two sub-volumes 6,7 by flat lid 5.The first sub-volume 6 is between transparent mask 8 and flat lid 5.The second sub-volume 7 is between the rear wall 9 of flat lid 5 and housing 3.This flat lid has the outward flange 10 that closely abuts on mask 8, therefore only exists narrow air gap between mask 8 and lid 5.In addition, lid 5 also has interstitial hole, and reflector 11 is arranged in this hole or behind this hole.
The function of this flat lid 5 is, the observer front of standing on the outside hide headlight be arranged on the second sub-volume in technical pattern, so the outward appearance of headlight can directly not be subjected to the impact of technology fixture.
Be arranged on light source 11 in reflector 10, export from headlight 1 by transparent mask 8 from the light beam of reflector 10s.
After light is closed during cooling hot headlight, usually the condensation of atmospheric moisture can appear at mask on the side of headlight 1 inside.In operation phase next time, this condensate should disappear as early as possible again.By making the sub-volume 6 of passage of air first, realize this point.
In order to make air flow through the first sub-volume 6, flat lid 5 has air admission hole 13 near air vent 2, and this air vent is arranged in the lower part of headlight housing 3.In addition, the flat lid of vent 4 has venthole 14, and this vent is arranged in the upper part of headlight housing 3.
Especially when motor-driven vehicle going, usually produce pressure reduction between air vent 2 and vent 4, or produce pressure reduction between the air admission hole 13 on a side and the venthole 14 on opposite side.Whether this exists this pressure reduction, and this pressure reduction has how strong relevant with the aerodynamics condition that occurs on concrete motor vehicle.Sometimes also be necessary that, produce on one's own initiative pressure reduction.This point realizes by air blast.The alternative of air blast is, air admission hole 13 and/or venthole 14 are coupled by flexible pipe or conduit pipe pneumatically ground and vehicle body position, forcibly produces in motion the negative pressure of superpressure or intensity or high or low appearance in this vehicle body position.
In the embodiment shown in Fig. 1 and 2, air roughly on diagonal the inside at the first sub-volume 6 flow through along mask 8, wherein this diagonal venthole from the air admission hole 13 in the lower right corner towards the upper left corner 14 in Fig. 1 extends.Consequently, compare with the ventilation on main flow direction side, more effective along the ventilation that this main flow direction carries out.Result is, compares with the condensate that forms in the lower right corner, and the condensate that forms in the lower left corner obviously more slowly ejects from headlight 2.
Fig. 3 is at schematic diagram and have an X-rayed the element that there is shown by the embodiment of headlight 20 of the present invention.Headlight 20 comprises the housing 22 with the light delivery outlet.The light output hole is by seamed edge 24,26,28 and 30 surfaces that limit in Fig. 3, and is hidden by transparent mask 8.This housing 22 has at least one air vent 34 and vent 36.This air vent 34 preferably arranges lowlyer than vent 36, to produce stack effect.
In order to flow through whole headlight, air vent 34 also preferably is arranged on the headlight outer surface different from vent 36.If in these two holes 34 and 36 one arrange relatively before, after another in these two holes arranges relatively.Further preferably, a hole is arranged on more the right in the housing of headlight 20, and another hole is arranged on the more left side.
In addition, headlight 20 also has guide device, and the inside that it is used for being guided in housing 22 flows to the air-flow of vent 36 from air vent 34.This guide device especially has the ducted body 38 of dimensionally stable.This ducted body 38 has air inlet 40 and at least one gas outlet 42, and has the conduit part section 44 of the dimensionally stable between air inlet 40 and this at least one gas outlet 42.This ducted body 38 preferably is arranged on enclosure interior like this at this, make its air inlet 40 abut in like this on air vent 34 in housing 22, the air inlet 40 of air by the ducted body 38 of dimensionally stable that namely flows in housing 22 by air vent enters in this ducted body.
In a kind of especially preferred structural scheme, this ducted body 38 closely abuts on the edge of air vent 34 with its air inlet 40 in the housing 22 of headlight 20, therefore can be because the pressure loss or negative pressure loss appear in gas leakage between the air inlet 40 of the air vent 34 in housing 22 and ducted body 38.In other words: preferably, air inlet 40 and air vent 34 are configured and disposed like this, and namely all enter in the ducted body 38 of dimensionally stable by air inlet 40 by the air that air vent 34 enters headlight 20 inside.
By the conduit part section 44 of dimensionally stable, enter the gas outlet (for example the gas outlet 42) that air 46 in the ducted body 38 of dimensionally stable flows to ducted body 38 by air inlet 40.This gas outlet 42 for example is positioned on such position, namely there is no air or only has very weak air stream implantation site, and there is no special air-flow.It is for example near the folding corner region the inside of housing 22 is positioned at mask.Owing to flowing into targetedly this zone by gas outlet 42, can obviously improve the ventilation of carrying out at this place, and therefore discharge especially better the moisture of condensation.
In structural scheme shown in Figure 2, the ducted body 38 of dimensionally stable has three gas outlets 42,48 and 50.These three gas outlets preferably are arranged in the lower zone of headlight 20 like this, and the air-flow 46 of namely being discharged by them arrives at mask, also are being somebody's turn to do the place towards upper deflecting, and brush ground along mask 8 and at first continue to guide up, and then the vent 36 towards housing 22 guides.This air-flow is discharged from headlight 20 by vent 36.When flowing through headlight 20, especially when skimming over mask, air-flow 46 is absorbed in the moisture of the internal condensation of housing 22, and by vent 36, this moisture is ejected from headlight 20.
In preferred structural scheme, the ducted body 38 of this dimensionally stable is made by the thermal deformation of plastics.As manufacture method, especially so-called pair sheet metal forming (Zwei-Platten-Formen) is preferred at this.Its advantage is that the ducted body 38 of dimensionally stable and the geometry of retaining element 51 thereof have moulding significantly freely.
This retaining element 51 preferred materials are molded on ducted body 38 with engaging, and pass through to be connected with the housing 22 of headlight 20 and/or the fixture of headlight as fixed forms such as screw, clamp, clasp, clips, so that fixing ducted body 38.At this, concept " fixture " refers to be arranged on each parts of housing 22 inside of headlight 20 at this.Especially be used for realizing that the technical pattern of a plurality of smooth functions just belongs to this parts, i.e. required optical element for this reason, for example light source, reflector, optical conductor, transparent additional optical block learn (utilizing the optical element of total internal reflection) or lens (utilizing the optical element of anaclasis) and required support, also have drives structure in case of necessity.
For example for the shadow shield of regulating optical projection system, in order to regulate illumination distances or in order to realize turning to the light function, drives structure is necessary.In addition, those structures that consist of to a certain extent the headlight outward appearance also belong to the fixture of modern headlight.In for example the flat lid 5 in Fig. 1 and 2 especially was also contained in, 5 effects of flat lid were, for hide the technical pattern that is positioned at this lid back the observer who stands on the outside.Except the ducted body 38 of dimensionally stable, all fixtures of this headlight all do not illustrate in Fig. 3.These fixtures always exist certainly in the headlight of reality, and 38 of the ducted bodies of dimensionally stable are another element of headlight fixture.
Surround under assembled state in the layout between other element of headlight stock of ducted body, two sheet metal formings for example also can be moulded trend and the cross section of the ducted body 38 of dimensionally stable very changefully.In preferred structural scheme, use fixed plastics such as polypropylene as the material of the ducted body 38 of dimensionally stable.Therefore, can guarantee the shape stability of making every effort to reach of ducted body 38, and guarantee that ducted body 38 can locate and be arranged in headlight 20.
In preferred structural scheme, the ducted body of dimensionally stable has at least one other gas outlet 48 and/or 50 between its air inlet 40 and gas outlet 42, and/or have other gas outlet 48,50 more than two, described gas outlet 42 for the air in flowing through ducted body 38 from this air inlet 40 farthest.Therefore only have the situation of a unique gas outlet 42 to compare with ducted body 38, the air that flows out from ducted body 38 can distribute equably.Therefore compare with the situation that only has a gas outlet, this structural scheme can flow to mask on the whole more equably.According to structural scheme, can realize different shapes aspect gas outlet 42,48,50 cross section.In structural scheme, this outflow cross section is circular, or has the part of the rounding at least at its edge.
This structural scheme has been shown in Figure 4 and 5.In another structural scheme, flowing out cross section is (especially dimetric) that corner angle are arranged, wherein this cross section rectangle or foursquare especially.Compare with for example having foursquare hole, by rectangular structure, can realize broader and therefore more uniform air-flow.Section's section that the guiding of the ducted body 38 of dimensionally stable flows out cross section can have uniform cross section on its length, as gas outlet 50.But alternative to this is that they also can have the cross section that nozzle-like narrows down, as gas outlet 48.In another structural scheme, but also venturi nozzles shape ground expansion of at least one width of this cross section or this cross section, as the gas outlet 42 of Fig. 3.
Have in the structural scheme of a plurality of gas outlets at ducted body 38, they can be mutually the same.In another structural scheme, cross section differs from one another.Its advantage is can determine when designing ducted body 38 by geometry, size and the layout of cross section on its ratio by the MAF that different cross sections flows out.
Fig. 5 shows the structural scheme of the ducted body 38 of dimensionally stable, and it has the personalized geometry for specific headlight type design.In structural scheme shown in Figure 4, the ducted body 38 of this dimensionally stable has air inlet 40, the first gas outlet 42A and the second gas outlet 42B.In addition, the ducted body 38 of this dimensionally stable has fixed geometry 51A, 51B and 51C.The ducted body 38 of this dimensionally stable is the member of monomer in preferred structural scheme, and therefore is the member that material is linked together with engaging.In alternative and same preferred scheme, the ducted body 38 of dimensionally stable is formed by a plurality of parts windings.
Fig. 4 shows a kind of structural scheme, and wherein the ducted body 38 of dimensionally stable is formed by first component 52 and second component 54 windings.This first component 52 has air inlet 40 and the first gas outlet 42A.Second component 54 shown in structural scheme in have the second gas outlet 42B.These two members 52,54 are connected with each other by patching to connect.This patches and is connected to this such formation, namely has unlimited flow cross section in its interface position between the first member 52 and second component 54.
By at first component 52 and second component 54(on a side) between and and the first gas outlet 42A(on opposite side) between interface position in the size of described unlimited flow cross section, can preset the mutual ratio of local air flow of these cross sections of flowing through.As a result, the air that flows in first component 52 by air inlet 40 is divided into the first local air flow and the second local air flow in first component 52.
The first local air flow flows out from the first gas outlet 40.The second local air flow flows into second components 54 are from first component 52, and flows out from the second gas outlet 42B.Due to the function of its air distribution, this first component 52 is also referred to as air distributor.Second component 54 is guide portion sections of dimensionally stable, and the local air flow of vent air is directed to by this guide portion section in regional area in the enclosure interior of headlight 20.This regional area for example refers to the folding corner region that is limited by transparent mask in headlight housing 22 inside.
Structure for the ducted body 38 of dimensionally stable shown in Figure 4, in order to set forth supposition, the first gas outlet 42A flows to the first below folding corner region of the mask of housing 22 inside, and the second gas outlet 42B flows to all the other below folding corner regions of the mask of housing 22 inside.
These folding corner regions collect to say especially disadvantageous for the condensation moisture.This point is positioned at more outside due to them about motor vehicle on the one hand, therefore can be cooling rapidly.They are positioned at the below in addition, so this condenses upon moisture on the higher position of mask because gravity may move down.In the prior art of setting forth with reference to Fig. 1 and 2, at least one in folding corner region also is positioned at cornerwise side of the draft of the headlight enclosure interior of flowing through.These two situations cause on the whole, and the collection of condensation moisture can be broken down in the prior art continually, and need the relatively more time, in order to again remove the moisture of these condensations by the ventilation of carrying out when the motor-driven vehicle going.By the present invention, can improve targetedly the ventilation of these key areas.
Fig. 5 shows the constructive alternative scheme of the ducted body 38 of dimensionally stable, and it has the personalized geometry for other headlight type design.The difference of the content of Fig. 5 and the content of Fig. 4 is the 3rd extra gas outlet 42D and the 4th gas outlet 42C, and they are being arranged on the length of the ducted body 38 of dimensionally stable between the first gas outlet 42A and the second gas outlet 42B dispersedly.
In addition, these two of the ducted body 38 of dimensionally stable as broad as long being configured on its geometry shown in Figure 4 and 5.They especially can be applicable in identical headlight housing.At this, structure shown in Figure 5 more is evenly dispersed on the length of ducted body 38 vent air, and therefore more is evenly dispersed on the size of transparent mask, and this mask flows into by this air-flow.
These two structural schemes by Figure 4 and 5 are in the situation that concrete which advantage that provides is relevant with the occasion of individual cases.If condensed water preferably condenses upon in folding corner region, the structural scheme by Fig. 4 is favourable.If the condensed water Uniform Dispersion ground appearance of cohesion, the structural scheme by Fig. 5 is favourable.The advantage of many body designs of the ducted body that has relatively shown dimensionally stable 38 of Figure 4 and 5.All use identical air distributor (being identical member 52) in by the structural scheme of Fig. 4 and in by the structural scheme of Fig. 5, therefore can adapt to by the personal settings of only carrying out the requirement of different headlights on second component 54.
Fig. 6 has illustrated the ducted body 38 of dimensionally stable shown in Figure 5 in the specific embodiment of headlight.Fig. 6 especially shows the higher package thickness in housing 22 inside of headlight 20, produces the structure of for this reason using of this package thickness in the housing 22 of the outward appearance of having a mind to mould of headlight 20 and headlight 20.In addition, this package thickness also by many smooth functions and for this reason required optical element produce, for example light source, reflector, optical conductor, additional optical block learn or lens, or required support for this reason, the drives structure that may also be necessary.
For example for regulate illumination distances, in order to regulate shadow shield and/or in order to realize turning to the light function, drives structure is necessary.Nowadays these structures are hidden in escutcheon, shadow shield and similar object back usually.In addition, these escutcheons and shadow shield can make the air circulation of the housing 22 inside difficulty that becomes, and therefore make condensate be not easy effectively to eject from the inboard of mask 8.
Fig. 6 has illustrated by profile, if only have narrow air gap 56 between different member (especially different escutcheons and the covering frame of housing 22 inside), the present invention can realize the inflow of this gap 56 targetedly, although therefore this gap 56 is very narrow, but can produce in the inside of headlight housing 22 privileged direction of the sensing mask 8 of vent air.
Fig. 6 also shows the shape of longitudinal extension of the cross section of giving vent to anger of gas outlet 42C, and this is favourable to becoming a mandarin of gap 56.Structural scheme shown in this point is particularly useful for, wherein the cross section of giving vent to anger of gas outlet 42C is expanded on the direction parallel with the longitudinal extension in gap 56.Thereby flow resistance is down to minimum, air must overcome this flow resistance when flowing to gap 56.
Structural scheme shown in Figure 7 is characterised in that, ducted body 38 has cooling-air outlet 58, and it arranges like this, makes in air 46 headlight 20 inside of this place outflow and flows to member to be cooled 60.In structural scheme, this member to be cooled refers to the cooling body 62 of semiconductor light sources 64, it is fixed on circuit carrier 66 and by this circuit carrier and supplies and control electric energy, wherein this circuit carrier self and cooling body thermal coupling, the power consumption heat that therefore discharges in semiconductor light sources is absorbed by cooling body.
In alternative structural scheme, member to be cooled refers to the control appliance of headlight 20, controls one or more drive units of light source and/or headlight by this control appliance.In modern headlight, this drive unit be used for changing shadow shield the position, be used for making optical module towards right and move, be used for making optical module up and towards lower swing towards left swing.Distribute in order to change light, will change the position of shadow shield, for example conversion between distance light-light distribution and dipped beam-light distribution.In order to realize turning to the light function, will be towards right and moving towards left swing.In order to regulate illumination distances, will be up and towards lower swing.
Claims (10)
1. headlight (20) that is used for motor vehicle, it comprises: the housing (22) with light delivery outlet, hide the transparent mask of described smooth delivery outlet, at least one air vent (34) in housing and at least one vent (36), it is characterized in that, described headlight has guide device, this guide device guiding flows to the air-flow (46) of vent in the inside of housing from air vent, and it has the ducted body (38) of dimensionally stable, this ducted body has air inlet (40) and at least one gas outlet (42), and have between air inlet and gas outlet, the conduit part section (44) of dimensionally stable.
2. headlight according to claim 1 (20), it is characterized in that, described ducted body has retaining element (51), this retaining element material is molded on ducted body with engaging, and be set to be connected with the housing of headlight and/or the fixture of headlight by the fixed form as screw, clamp, clasp or clip, so that fixing ducted body.
3. headlight described according to any one of the claims (20), is characterized in that, the ducted body of this dimensionally stable is made of as polypropylene firm plastics.
4. headlight described according to any one of the claims (20), it is characterized in that, the ducted body of this dimensionally stable has at least one other gas outlet (48) between its air inlet (40) and gas outlet (42), described gas outlet (42) for for the air that flows in ducted body from described air inlet (40) farthest.
5. headlight described according to any one of the claims (20), is characterized in that, the ducted body of this dimensionally stable is configured to member monomer, that also therefore be linked together the material joint.
6. the described headlight of any one of according to claim 1 to 4 (20), is characterized in that, the ducted body of described dimensionally stable is formed by a plurality of parts (52,54) winding.
7. headlight according to claim 6 (20), it is characterized in that, the ducted body of this dimensionally stable is formed by the first member (52) and second component (54) winding, wherein, described the first member has air inlet (40) and the first gas outlet (42A), and second component has at least one second gas outlet (42B).
8. headlight described according to any one of the claims (20), it is characterized in that, described ducted body has cooling-air outlet (58), and this cooling-air outlet arranges like this, makes air (46) in this place outflow flow to member to be cooled (60) in headlight.
9. headlight according to claim 8 (20), is characterized in that, described member to be cooled refers to the cooling body (62) of semiconductor light sources (64).
10. headlight according to claim 8 (20), is characterized in that, described member to be cooled refers to the control appliance of headlight (20).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011089494A DE102011089494A1 (en) | 2011-12-21 | 2011-12-21 | Headlight with means for guiding air inside the headlight housing |
| DE102011089494.2 | 2011-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103175083A true CN103175083A (en) | 2013-06-26 |
| CN103175083B CN103175083B (en) | 2017-05-17 |
Family
ID=47191547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210559257.1A Active CN103175083B (en) | 2011-12-21 | 2012-12-20 | Headlamp with means for air guidance within the headlamp housing |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2607784B1 (en) |
| CN (1) | CN103175083B (en) |
| DE (1) | DE102011089494A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152647A (en) * | 2016-03-02 | 2017-09-12 | 法雷奥照明公司 | Including the vehicle light for the optical module being cooled by means of stream generator |
| CN108150962A (en) * | 2016-12-05 | 2018-06-12 | 大众汽车有限公司 | For the lighting apparatus of motor vehicle |
| CN109708074A (en) * | 2017-10-26 | 2019-05-03 | 法雷奥照明湖北技术中心有限公司 | Lamps and lanterns Defrosting structure and lighting apparatus for motor vehicle with the structure |
| CN110017457A (en) * | 2017-12-22 | 2019-07-16 | 大众汽车有限公司 | Ventilating system for automotive lamp |
| CN110500565A (en) * | 2018-05-17 | 2019-11-26 | 宗拓贝尔照明器材有限公司 | Aerodynamics component for plane floodlight |
| CN113412392A (en) * | 2019-02-20 | 2021-09-17 | 海拉有限双合股份公司 | Air guiding device for cooling lighting device of vehicle, cooling device and lighting device |
| CN114383809A (en) * | 2020-10-21 | 2022-04-22 | 苏州旭创科技有限公司 | Optical module high-low temperature environment test device and system |
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| DE102013216869B4 (en) * | 2013-08-23 | 2019-06-19 | Bayerische Motoren Werke Aktiengesellschaft | Cooling device for a headlight of a motor vehicle, in particular for a laser headlight |
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| DE102015008569B4 (en) * | 2015-07-02 | 2023-05-04 | Audi Ag | Lighting device and vehicle with the lighting device |
| DE102016124763A1 (en) | 2016-12-19 | 2018-06-21 | HELLA GmbH & Co. KGaA | Lighting device for vehicles |
| FR3086994B1 (en) * | 2018-10-09 | 2021-01-29 | Valeo Vision | MOTOR VEHICLE PROJECTOR |
| FR3100599A1 (en) * | 2019-09-05 | 2021-03-12 | Psa Automobiles Sa | Ventilation device for automotive lighting module |
| FR3122243B1 (en) * | 2021-04-21 | 2023-04-28 | Valeo Vision | HEAT EXCHANGE SYSTEM FOR AN AUTOMOTIVE LIGHTING DEVICE |
| DE102022209828A1 (en) | 2022-09-19 | 2024-03-21 | Siemens Mobility GmbH | Multifunctional accessory device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152647A (en) * | 2016-03-02 | 2017-09-12 | 法雷奥照明公司 | Including the vehicle light for the optical module being cooled by means of stream generator |
| CN108150962A (en) * | 2016-12-05 | 2018-06-12 | 大众汽车有限公司 | For the lighting apparatus of motor vehicle |
| US10634308B2 (en) | 2016-12-05 | 2020-04-28 | Volkswagen Aktiengesellschaft | Lighting device for a motor vehicle |
| CN108150962B (en) * | 2016-12-05 | 2021-07-16 | 大众汽车有限公司 | Lighting device for a motor vehicle |
| CN109708074A (en) * | 2017-10-26 | 2019-05-03 | 法雷奥照明湖北技术中心有限公司 | Lamps and lanterns Defrosting structure and lighting apparatus for motor vehicle with the structure |
| CN110017457A (en) * | 2017-12-22 | 2019-07-16 | 大众汽车有限公司 | Ventilating system for automotive lamp |
| CN110500565A (en) * | 2018-05-17 | 2019-11-26 | 宗拓贝尔照明器材有限公司 | Aerodynamics component for plane floodlight |
| CN113412392A (en) * | 2019-02-20 | 2021-09-17 | 海拉有限双合股份公司 | Air guiding device for cooling lighting device of vehicle, cooling device and lighting device |
| CN113412392B (en) * | 2019-02-20 | 2023-11-07 | 海拉有限双合股份公司 | Air guide device for cooling lighting device, cooling device and lighting device |
| CN114383809A (en) * | 2020-10-21 | 2022-04-22 | 苏州旭创科技有限公司 | Optical module high-low temperature environment test device and system |
| CN114383809B (en) * | 2020-10-21 | 2024-02-23 | 苏州旭创科技有限公司 | Optical module high-low temperature environment test device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2607784B1 (en) | 2019-04-03 |
| EP2607784A1 (en) | 2013-06-26 |
| CN103175083B (en) | 2017-05-17 |
| DE102011089494A1 (en) | 2013-06-27 |
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