CN207350078U - LED headlight modules and the vehicle with the LED headlight modules - Google Patents

Abstract

This application involves a kind of LED headlight modules and include the vehicles of LED headlight modules.Headlight module includes：Lens；LED light source, it is made of single or multiple LED units；Reflection part, it includes the first reflector and the second reflector, the light that LED unit is sent reflects via the first reflector and the second reflector and forms the first light beam and the second light beam respectively, and the first light beam and the second light beam are superimposed the outgoing beam for forming LED headlight modules by the refraction of lens；Light-blocking member, it is arranged between reflection part and lens, light-blocking member is operable to switch between first state and the second state, so that the first light beam and the second light beam are partly blocked when light-blocking member is in first state so that the outgoing beam of LED headlight modules forms passing beam, and does not block the first light beam and the second light beam completely so that the outgoing beam of LED headlight modules forms driving beam when light-blocking member is in the second state.

Description

LED headlight modules and the vehicle with the LED headlight modules

Technical field

This application involves a kind of LED headlight modules, more specifically it relates to which a kind of only pass through a set of light source and optical element The LED headlight modules that can just be switched between low beam mode and high beam mode of setting.The application further relates to one kind Include the vehicle of LED headlight modules.

Background technology

At present, light emitting diode (LED) has had been more and more widely used as light source in vehicle head lamp.It is existing LED headlamps generally include the high beam component being provided separately and dipped headlight component, wherein, high beam component includes high beam LED light source and corresponding distance light Light reflecting mirror, and dipped headlight component includes dipped headlight LED light source and corresponding dipped headlight reflects Mirror.In addition, to reach required target light flux, existing high beam LED light source and dipped headlight LED light source are by multiple LED What unit was formed.However, multiple LED units will disperse light, the skewness of light, there are problems that serious color divergence, It is difficult to reach spotlight effect excellent as xenon lamp, have impact on the illumination performance of vehicle head lamp.In addition, be separately provided High beam component and dipped headlight component cause the increase of the size and cost of vehicle head lamp.

Utility model content

The application's relates in one aspect to a kind of LED headlight modules.LED headlight modules can include lens, LED light Source, reflection part and light-blocking member, wherein, LED light source is made of single or multiple LED units；Reflection part includes first Reflector and the second reflector, the light that LED unit is sent reflect via the first reflector and the second reflector and form the respectively One light beam and the second light beam, the first light beam and the second light beam form the outgoing of LED headlight modules by the refraction superposition of lens Light beam；Light-blocking member is arranged between reflection part and lens, and light-blocking member is operable in first state and the second state Between switch so that the first light beam and the second light beam are partly blocked when light-blocking member is in first state so that described The outgoing beam of LED headlight modules forms passing beam, and is not hidden completely when light-blocking member is in the second state The first light beam and the second light beam are kept off so that the outgoing beam of the LED headlight modules forms driving beam.

In some embodiments, the first reflector and the second reflector can be disposed adjacent to each other and in vertical sides Set up in the same side of LED unit, the first reflector is arranged to than the second reflector closer to LED unit.

In some embodiments, the first reflector can have first curvature, and the second reflector can have than first The small torsion of curvature.

In some embodiments, the upper limb of the first reflector is in a vertical direction relative to the mounting plane of LED unit Height can be equal to or less than 10 millimeters.

In some embodiments, LED unit can be arranged on the entrance focus position of the first reflector and the second reflector The place of putting or the entrance focus position for being arranged close to the first reflector and the second reflector.

In some embodiments, the first light beam can focus at the entrance focus of lens or focus on the incidence of lens Near focal point, and, the second light beam can partly focus at the entrance focus of lens or focus on the entrance focus of lens Nearby and partly both sides defocus to the left and right.

In some embodiments, light-blocking member can include shadow shield and shading sheet drive, and shadow shield can connect Driven to shading sheet drive and by shading sheet drive to be pivoted movement or translational motion.

In some embodiments, shading sheet drive can be can the first operating position and the second operating position it Between operate, wherein, shading sheet drive drives shadow shield to partly blocking first when operation is to the first operating position The deployed position of light beam and the second light beam, and shading sheet drive operation to the second operating position when by shadow shield drive to The withdrawn position of the first light beam and the second light beam is not blocked completely.

In some embodiments, at deployed position, the upper limb of shadow shield can in a vertical direction with lens Mandrel line flushes or differs ± 0.3 millimeter, and/or, the upper limb of shadow shield can in a vertical direction with the first reflector Upper limb flush or differ ± 0.16 millimeter.

In some embodiments, at deployed position, the midpoint of the upper limb of shadow shield can be located at incidence Jiao of lens Point at or the entrance focus close to lens.

In some embodiments, shading sheet drive can be structured as electromagnet, and electromagnet can include exterior electricity Magnetic solenoid and can be relative to dynamic iron core of the electromagnetic solenoid along the axial direction stretching motion of electromagnet, also, shadow shield On can be provided with driver junction surface, the dynamic iron core of electromagnet is engaged with the driver junction surface with by the flexible of dynamic iron core Move and drive shadow shield to be pivoted movement or translational motion.

In some embodiments, driver junction surface can be structured as the engagement lug from shadow shield extension, and engagement is convex Elongated hole is provided with ear, an end of the dynamic iron core of electromagnet is received within elongated hole.

In some embodiments, light-blocking member can also include pivot, and shadow shield is rotatably mounted to pivot On axis so that when shading sheet drive is operated to the second operating position from the first operating position, shadow shield is around pivot from deployment Position is rotated to withdrawn position, and when shading sheet drive is operated to the first operating position from the second operating position, shading Plate is rotated to deployed position around pivot from withdrawn position.

In some embodiments, light-blocking member can also include bias unit, which is arranged on pivot simultaneously And bias shadow shield towards deployed position.In some embodiments, bias unit can be spring.

In some embodiments, the direction of motion of the dynamic iron core of electromagnet can be with the axis direction of the pivot just Hand over.

In some embodiments, light-blocking member can also include mounting bracket, and shadow shield and shading sheet drive can be with In the mounting bracket.

In some embodiments, the first reflector and the second reflector can be formed as one formula component or respectively shape As different components.

In some embodiments, lens can be planoconvex spotlight or biconvex lens.

In some embodiments, the shape of lens can be circular, ellipse or rectangle.

The application's relates in one aspect to a kind of vehicle, which includes foregoing aspects of LED headlight modules.

According to the LED headlight modules that light source is only made of single or multiple LED units of the application, pass through movable screening The use and LED light source of light component, unique mutual alignment between optical component and light-blocking member are set, and can be based on same One structure is realized to be switched between low beam mode and high beam mode, and can be obtained with good light distribution and uniformity The outgoing beam of LED headlight modules.

According to the LED headlight modules of the application, due to only by setting a set of light source and optical system to realize LED The high beam mode and low beam mode of headlight module, substantially increase system effectiveness, and significantly simplify LED headlamp groups at the same time The structure design of part simultaneously reduces amount of parts, so as to obtain significant cost benefit.In addition, shone before also achieving LED The integrated and compact design of lamp component, is substantially reduced the size of LED headlight modules, improves LED headlight modules and exist Applicability on vehicle.

Brief description of the drawings

Fig. 1 shows the stereogram of the LED headlight modules according to presently filed embodiment.

Fig. 2 shows the side view of the LED headlight modules according to presently filed embodiment.

Fig. 3 shows the front view of the LED headlight modules according to presently filed embodiment.

Fig. 4 shows the top view of the LED headlight modules according to presently filed embodiment.

Fig. 5 shows the sectional block diagram of the LED headlight modules according to presently filed embodiment.

Fig. 6 shows the exploded perspective view of the LED headlight modules according to presently filed embodiment.

Fig. 7 shows the operation chart of the LED headlight modules according to presently filed embodiment, wherein, shadow shield It is illustrated at deployed position.

Fig. 8 shows the operation chart of the LED headlight modules according to presently filed embodiment, wherein, shadow shield It is illustrated at withdrawn position.

Fig. 9 shows the mutual alignment relation of the critical component of the LED headlight modules according to presently filed embodiment Schematic diagram.

Figure 10 is shown according to the near obtained in phototesting of the LED headlight modules of presently filed embodiment Light light type figure.

Figure 11 is shown according to the remote obtained in phototesting of the LED headlight modules of presently filed embodiment Light light type figure.

Figure 12 shows the stereogram of the reflection part of the LED headlight modules according to presently filed embodiment.

Figure 13 shows the side view of the reflection part of the LED headlight modules according to presently filed embodiment.

Figure 14 shows the slave LED light source one of the reflection part of the LED headlight modules according to presently filed embodiment Front view observed by side.

Figure 15 shows the slave LED headlamps of the light-blocking member of the LED headlight modules according to presently filed embodiment Observed stereogram on front side of component.

Figure 16 shows the slave LED headlamps of the light-blocking member of the LED headlight modules according to presently filed embodiment Observed stereogram on rear side of component, wherein, shadow shield is illustrated at deployed position.

Figure 17 shows the slave LED headlamps of the light-blocking member of the LED headlight modules according to presently filed embodiment Observed stereogram on rear side of component, wherein, shadow shield is illustrated at withdrawn position.

Embodiment

Hereinafter, the illustrative embodiments of the application are described with reference to the accompanying drawings.

Fig. 1 to Fig. 6 shows the LED headlight modules 1 according to the illustrative embodiments of the application.

As shown in the figure, according to the LED headlight modules 1 of the illustrative embodiments of the application include LED light source block 10, Reflection part 20, transmitting member 30, light-blocking member 40 and thermal component 50.

In presently filed embodiment, LED light source block 10 can include LED light source 101 and be supplied for LED light source 101 The LED light source drive module 102 of energy (referring to Fig. 5 and Fig. 6).

According to presently filed embodiment, LED light source block 10 is fixedly mounted on thermal component 50, so that LED light Heat is quickly emitted to outside LED headlight modules 1 caused by source drive module 102.

In presently filed embodiment, thermal component 50 includes substrate 501 and radiator 502, alternatively, can also wrap Include blower tray 503 and fan 504.Substrate 501 can be made of the higher material of thermal conductivity factor such as metal, good to provide Good heat dissipation effect.Corresponding fin can also be set on substrate 501 to increase heat dissipation.In addition, LED light source block 10 is attached to The upside of substrate 501.Radiator 502 and optional blower tray 503 and fan 504 are sequentially attached to from downside successively Substrate 501, as shown in Figure 5.Thus, it is possible to realized by compact-sized thermal component 50 to the efficient of LED light source block 10 Heat dissipation.

It should be noted that directional terminology "front", "rear" mentioned in this application, " left side " " right side ", " on " and " under " relative to LED headlamps 1 in the car normal use when used orientation limit.Specifically, shone before LED The pointing direction of the outgoing beam of lamp 1 is " preceding ", and direction in contrast is " rear ", and " left side " " right side ", " on " and " under " Can be relative to vehicle driver's "left", "right" in itself, " on ", " under " direction when vehicle uses.

According to presently filed embodiment, LED light source 101 can be made of multiple LED units 111, it is preferable that LED light source 101 is formed using single led unit 111.

It should be noted that " LED unit " used in this application can also be referred to as " LED lamp bead ".The application's In example embodiment, using light source of the single led lamp bead as LED headlight modules 1.

In a LED lamp bead, one or more LED luminescence chips can be encapsulated.As an example, present embodiment is made Single led unit 111 is for example packaged together and is formed by five LED luminescence chips, can be produced not less than 1000lm Target light flux.It should be appreciated that it is not limited to this according to the LED unit of the application, as long as single or multiple LED units The light source of composition disclosure satisfy that existing national standard《Automobile using LED headlamps》(GB25991-2010) on being shone before LED in The requirement of the light source of lamp be belong to this application claims scope.

According to presently filed embodiment, reflection part 20 and transmitting member 30 are used to be sent by single led unit 111 Light be converted into the outgoing beams of LED headlight modules 1.

In presently filed embodiment, as shown in Figure 5 and Figure 6, reflection part 20 can include 201 He of the first reflector Second reflector 202.According to the further embodiment of the application, the first reflector 201 and the second reflector 202 can be Concave mirror with smooth reflecting surface.

According to presently filed embodiment, transmitting member 30 can include lens 301 and lens carrier 302.Such as Fig. 6 institutes Show, in the exemplary embodiment, lens 301 are fixedly mounted in the front side of lens carrier 302.

In presently filed embodiment, lens 301 are convex lens.Lens 301 can be planoconvex spotlight, including in plane Incidence surface and for light outgoing convex surface.Lens 301 are used to collimate incident light beam.As shown in Figure 5.In this Shen In embodiment please, it is convex that planoconvex spotlight 301 can be provided with the fixation radially protruded in the side of the close plane of incidence Edge, for by lens 301 such as screw, buckle be fixedly mounted in lens carrier 302 in a manner of mechanical connection before Side.According to the other embodiment of the application, lens 301 can be fixedly mounted in lens carrier 302 by modes such as bondings Front side.According to the further embodiment of the application, lens 301 can also be by way of injection molding and lens carrier 302 are molded together and are fixedly located in the front side of lens carrier 302.

In presently filed embodiment, as shown in figure 3, the orthographic projection view of lens 301 can be with circular in shape.

It should be appreciated that lens 301 are not limited to planoconvex spotlight, and it can be biconvex lens, lenticular convex lens etc., only Will the lens can make by the lens refraction formed outgoing beam meet existing national standard《Shone before automobile using LED Lamp》(GB25991-2010) distance light for headlamp outgoing and the light distribution requirements of dipped beam and the relevant regulations of photochromic requirement are Can.Moreover, it is to be understood that shape of the lens 301 in its orthographic projection view is not limited to circular shape, and can be in ellipse Circular shape or rectangular shape.

According to presently filed embodiment, by the light that single led unit 111 is sent via the first reflector 201 and second Reflector 202 reflects and forms the first light beam 20-10 and the second light beam 20-20 respectively.First light beam 20-10 and the second light beam 20-20 forms the outgoing beam of LED headlight modules 1 by the refraction superposition of lens 301.

In presently filed embodiment, as shown in figure 5, the first reflector 201 and second reflector 202 phase each other Set adjacently and be arranged on the same side of LED unit 111 in a vertical direction.First reflector 201 is arranged to more anti-than second Emitter 202 is closer to LED unit 111.

According to presently filed embodiment, with reference to Fig. 7 and Fig. 8, LED unit 111 can be arranged on 201 He of the first reflector At the entrance focus position of second reflector 202 or it is arranged close to the entrance focus position of the first reflector and the second reflector Put so that the light that LED unit 111 is sent can be converged effectively for forming the outgoing beam of LED headlight modules 1.

According to presently filed embodiment, the first reflector 201 has first curvature, and the second reflector 202 has The torsion smaller than first curvature.In other words, in presently filed embodiment, the radius of curvature of the first reflector 201 is small In the radius of curvature of the second reflector 202, as shown in Figure 12 to Figure 14.

In presently filed embodiment, the light that LED unit 111 is sent is formed after being reflected via the first reflector 201 The first light beam 20-10 be approximately towards lens 301 entrance focus direction convergence.In this application, light beam it is this generally towards Convergence to the entrance focus direction of lens 301 also referred to as " is focused on " in the entrance focus of lens 301.First light beam 20-10 is passed through Outgoing forms the hot spot light type light beam 30-10 for the outgoing beam for forming LED headlight modules 1 after being reflected by lens 301.Hot spot light Type light beam 30-10 ensures that the outgoing beam of LED headlight modules 1 has enough central energies.For this reason, in the preferred of the application In embodiment, the upper limb of the first reflector 201 in a vertical direction relative to LED unit 111 mounting plane P height H1 Equal to or less than 10 millimeters.

In presently filed embodiment, the light that LED unit 111 is sent is formed after being reflected via the second reflector 202 The second light beam 20-20 in only a part light " focusing " in the entrance focus of lens 301, and one in the second light beam 20-20 The pattern of both sides defocus to the left and right is presented in light splitting.Outgoing, which is formed, after such second light beam 20-20 is reflected via lens 301 is formed The basic light type light beam 30-20 of the outgoing beam of LED headlight modules 1.Basic light type light beam 30-20 is presented from hot spot flatly The scattered light type that both sides disperse to the left and right, to ensure good visibility of the outgoing beam in left side and right side.

In presently filed embodiment, hot spot light type light beam 30-10 and basic light type light beam 30-20 are superimposed to emerge LED The outgoing beam of headlight module 1.

Due to the use of two reflectors 201 and 202 as described above so that the light that LED unit 111 is sent can be more preferable Ground collimates, and thus obtains higher intensity of illumination in the central spot of the outgoing beam of LED headlight modules 1, and cause The outgoing beam of LED headlight modules 1 has good light distribution and uniformity, and there is no serious color divergence problem.

In presently filed embodiment, as Figure 12 to Figure 14 in detail shown in, the first reflector 201 and second is anti- Emitter 202 is respectively formed as single component, and can be joined together and form the reflection part 20 according to the application. In this case, as shown in Figure 12 to Figure 14, the first reflector 201 and the second reflector 202 can be respectively formed with engagement Flange 211 and 221, and can be by the way that such as screw to be inserted through to the hole (Figure 12 being formed on joint flange 211 and 221 In only visible second reflector 202 joint flange 221 on hole 222) and by the first reflector 201 and the second reflector 202 Link together.

It should be appreciated that above-mentioned configuration is not limited to according to the reflection part 20 of the application.In the implementation of the application In mode, reflection part 20 can be formed as one formula component, that is to say, that the first reflector 201 and the second reflector 202 divide Two different reflector spaces of formula reflection part 20 are not formed as one.

, can be significantly due to sharing the setting of same LED light source using two reflectors according to the above-mentioned configuration of the application Improve system effectiveness.In addition, by being disposed adjacently two reflectors in the same side of LED light source, can significantly save Space, reduces the overall dimension of LED headlight modules.

According to presently filed embodiment, reflection part 20 can be fixedly mount to the substrate 501 of thermal component 50.

As it was previously stated, according to presently filed embodiment, as shown in fig. 6, LED headlight modules 1 are provided with light-blocking member 40.In presently filed embodiment, light-blocking member 40 is arranged between reflection part 20 and transmitting member 30.Especially, hide Light component 40 is arranged between the first reflector 201 and the second reflector 202 and lens 301.

Light-blocking member 40 is operable to switch between first state and the second state.When light-blocking member 40 is in described During first state, the first light beam 20-10 and the second light beam 20-20 are partly blocked by light-blocking member 40, so that before LED The outgoing beam of illuminator component 1 forms passing beam, as shown in Figure 10.When light-blocking member 40 is in the second state, the first light Beam 20-10 and the second light beam 20-20 are not blocked by light-blocking member 40 completely, so that the emergent light of LED headlight modules 1 Beam forms driving beam, as shown in figure 11.

According to presently filed embodiment, as shown in Fig. 6 and Figure 15 to Figure 17, light-blocking member 40 can include shadow shield 401 and shading sheet drive 402.

Shadow shield 401 can be connected to shading sheet drive 402 and be driven by shading sheet drive 402 to be pivoted fortune Dynamic or translational motion.

According to presently filed embodiment, as shown in Figure 7 and Figure 8, shading sheet drive 402 can be in the first operating position Operated between the second operating position.When shading sheet drive 402 is operated to the first operating position, shadow shield 401 is driven To the deployed position for partly blocking the first light beam 20-10 and the second light beam 20-20 (referring to Fig. 7).Also, when shadow shield drives When device 402 is operated to the second operating position, shadow shield 401 is driven to does not block the first light beam 20-10 and the second light beam completely The withdrawn position of 20-20 (referring to Fig. 8).

According to presently filed embodiment, as shown in figure 9, at the deployed position of shadow shield 401, shadow shield 401 it is upper Edge can be flushed in a vertical direction with the upper limb of the first reflector 201 or there are difference in height △ h1.In the preferred of the application In embodiment, difference in height △ h1=± 0.16 millimeter.

In addition, at the deployed position of shadow shield 401, the upper limb of shadow shield 401 can in a vertical direction with lens 301 Central axis flush or there are difference in height △ h2.In the preferred embodiment of the application, the millis of difference in height △ h2=± 0.3 Rice.

In the preferred embodiment of the application, at the deployed position of shadow shield 401, the midpoint of the upper limb of shadow shield 401 Can be located at lens 301 entrance focus at or the entrance focus close to lens.

By the above-mentioned set-up mode of shadow shield 401, passing beam light type figure as shown in Figure 10 can be obtained.From Figure 10 In as can be seen that while carrying out according to the LED headlight modules 1 of the application and match somebody with somebody phototesting project formed on photometric screen it is near Light light type figure has obvious "cut-off"line, and a plurality of visually visible "cut-off"line may be not present to disperse the note of driver Meaning power, meets existing national standard《Automobile using LED headlamps》(GB25991-2010) relevant regulations.

According to presently filed embodiment, driver junction surface 406 can be set on shadow shield 401.Shadow shield drives Device 402 is engaged with the driver junction surface 406 on shadow shield 401 the movement of shading sheet drive 402 is transferred to shadow shield 401, so as to drive shadow shield 401 to be pivoted movement or translational motion.

In presently filed embodiment, as shown in fig. 6, light-blocking member 40 can also include mounting bracket 405.Installation branch Frame 405 is vertically set.Shading sheet drive 402 is fixedly mounted in mounting bracket 405.

According to the embodiment illustrated of the application, shadow shield 401 can be driven by shading sheet drive 402 to carry out Move pivotally.In this case, light-blocking member 40 can include pivot 404.Pivot 404 is fixedly mounted in light-blocking member 40 Mounting bracket 405 on.Shadow shield 401 is rotatably mounted on pivot 404 so that in shading sheet drive 402 When operating from the first operating position to the second operating position, the movement of shading sheet drive 402 is via the driving on shadow shield 401 Device junction surface 406 and be transferred directly to shadow shield 401, to drive shadow shield 401 around pivot 404 from partly blocking the first light beam The deployed position of 20-10 and the second light beam 20-20 (as shown in Fig. 7 and Figure 16) rotation to not blocking the first light beam 20-10 completely With the withdrawn position (as shown in Fig. 8 and Figure 17) of the second light beam 20-20, also, in shading sheet drive 402 from the second operative position When putting operation to the first operating position, therefore shadow shield 401 is rotated to deployment position by driving around pivot 404 from withdrawn position Put.

According to the further embodiment of the application, shadow shield 401 can be driven by shading sheet drive 402 to carry out Translational motion.In this case, light-blocking member 40 can also include guiding device (not shown).It is understood that guiding Device can be arranged in the mounting bracket 405 of light-blocking member 40.Shading sheet drive 402 from the first operating position operate to During the second operating position, the movement of shading sheet drive 402 is directly passed via the driver junction surface 406 on shadow shield 401 Shadow shield 401 is handed to, to drive shadow shield 401 to move to withdrawn position from deployed position along guiding device, also, in shadow shield Driver 402 from the second operating position operate to the first operating position when, shadow shield 401 therefore by driving and along guiding device from Withdrawn position moves to deployed position.

According to the embodiment illustrated of the application, shading sheet drive 402 can be electromagnet.People in the art Member is it should be appreciated that shading sheet drive 402 can also be realized using other devices such as stepper motor.In the figure of the application In the embodiment shown, electromagnet includes internal dynamic iron core 421 and exterior electromagnetic solenoid 422.Can be by electromagnet Dynamic iron core 421 engaged with the driver junction surface 406 on shadow shield 401.When to the electromagnetic solenoid 422 of electromagnet power with And during power-off, the dynamic iron core 421 of electromagnet is along the axial direction of electromagnet relative to electromagnetic solenoid 422 in the first operating position Carry out stretching motion between the second operating position, and thus via driver junction surface 406 by the dynamic iron core 421 of electromagnet Stretching motion is transferred to shadow shield 401 to drive shadow shield 401 to be moved pivotally accordingly or translational motion.

In presently filed embodiment, as shown in figure 16, the driver junction surface 406 on shadow shield 401 can construct For the engagement lug 411 extended from shadow shield.

In the embodiment illustrated of the application, the electromagnet as shading sheet drive 402 is mounted so as to electricity The direction of motion of the dynamic iron core 421 of magnet is orthogonal with the axis direction of pivot 404.

In the preferred embodiment of the application, the dynamic iron that can be provided with lug 411 for receiving electromagnet is engaged The hole of the end of core 421, it is therefore preferable to elongated hole 412.The end of the bending of dynamic iron core 421 is inserted into elongated hole 412, by The stretching motion of the dynamic iron core 421 of electromagnet is transferred directly to shadow shield 401 to be driven to shadow shield 401 by this.

During dynamic iron core 421 carries out stretching motion perpendicular to the pivot axis of shadow shield 401, the setting of elongated hole 412 Can change the direction for the power that engagement lug 411 of the end of the bending of dynamic iron core 421 to shadow shield 401 applied so that Shadow shield 401 can smoothly be rotated around pivot 404.Hidden in addition, the setting of elongated hole 412 also helps in compensation assembling process Tabula rasa 401 and as the error in mounting position between the electromagnet of shading sheet drive 402.

According to the embodiment illustrated of the application, in shadow shield 401 by the electromagnet as shading sheet drive 402 In the case that driving is to be pivoted movement, when electromagnetic solenoid 422 powers off, dynamic iron core 421 is relative to electromagnetic solenoid 422 Bounce back into the cylindrical body of electromagnet, the elongated hole being inserted on the engagement lug 411 of shadow shield 401 of dynamic iron core 421 The end of bending in 412 correspondingly pulls shadow shield 401 so that shadow shield 401 around pivot 404 from not blocking the first light completely The rotation (as shown in Figure 8) of the withdrawn position of beam 20-10 and the second light beam 20-20 is to partly blocking the first light beam 20-10 and the The deployed position (as shown in Figure 7) of two light beam 20-20.At this time, the midpoint of the upper limb of shadow shield 401 can be located at lens 301 Entrance focus at entrance focus or close to lens, partly blocks the first light beam 20-10 and the second light beam 20-20 so that warp Being formed by the outgoing beam of the LED headlight modules 1 after 301 dioptric imaging of lens as shown in Figure 10 there is obvious light and shade to cut The only passing beam light type figure of line.

When powering to electromagnetic solenoid 422, dynamic iron core 421 is stretched out from the cylindrical body of electromagnet, dynamic iron core 421 The end for the bending in elongated hole 412 being inserted on the engagement lug 411 of shadow shield 401 correspondingly promotes shadow shield 401, with Make shadow shield 401 around pivot 404 from deployed position (such as Fig. 7 for partly blocking the first light beam 20-10 and the second light beam 20-20 It is shown) rotate to the withdrawn position (as shown in Figure 8) for not blocking the first light beam 20-10 and the second light beam 20-20 completely.Due to One light beam 20-10 and the second light beam 20-20 is completely from blocking so that via the LED headlamp groups after 301 dioptric imaging of lens The outgoing beam of part 1 forms driving beam light type figure as shown in figure 11.

It is straight between the driver junction surface 406 on shadow shield 401 and shading sheet drive 402 by being fixedly provided in Engagement and directly movement are transmitted, and improve driving response of the shadow shield 401 to shading sheet drive 402, Neng Gougeng Shadow shield 401 is rapidly set to reach deployed position.

According in presently filed embodiment, light-blocking member 40 can also include being used for towards deployment position as shown in Figure 7 Put the bias unit of biasing shadow shield 401.In the illustrated embodiment of the application, bias unit can be spring.

With reference to Figure 16 and Figure 17, driven in shadow shield 401 by shading sheet drive 402 to be pivoted the situation of movement Under, torsionspring 403 can be set to be used as bias unit.Torsionspring 403 is installed on pivot 404, and the one of torsionspring 403 End is against shadow shield 401, and the other end of torsionspring 403 is against mounting bracket 405.Torsionspring 403 applies shadow shield 401 Add bias force so that shadow shield 401 is rotated towards deployed position.

It will be apparent to a skilled person that in the further embodiment of the application, shadow shield 401 by In the case that shading sheet drive 402 is driven to carry out translational motion, compression spring can be set as bias unit.Compress bullet Spring can apply bias force so that shadow shield 401 is translated towards deployed position to shadow shield 401.

According to presently filed embodiment, by making shading sheet drive 402 be engaged with the direct of shadow shield 401, shading The movement of sheet drive 402 is transferred directly to shadow shield 401 and causes pivoting action or the translational motion of shadow shield 401 so that Shadow shield 401 can reach deployed position more quickly, thus significantly improve shadow shield 401 to shading sheet drive 402 Drive response.

In presently filed embodiment, as shown in figure 5, the lens carrier 302 of transmitting member 30 and thermal component 50 Substrate 501 can also respectively fixedly be attached to the front side of mounting bracket 405 and rear side by clamp device.Thus, in LED , can be by mounting bracket 405 easily by root in the case that light source assembly 10 and reflection part 20 are attached to thermal component 50 According to the transmitting member 30 of the LED headlight modules 1 of the application, light-blocking member 40, LED light source component 10, reflection part 20 and Thermal component 50 fits together, and realizes compact LED headlight module structures.

According to presently filed embodiment, vehicle is provided with foregoing aspects of LED headlight modules.

Due to the LED headlight module system effectiveness highers according to the application, with greater compactness of structure design and significantly Ground reduces the overall dimension of headlight module, thus substantially increases applicability of the LED headlight modules on vehicle.Can Further cost benefit is brought for vehicle.

The application is illustrated above by reference to attached drawing and by the description of embodiment, but the application does not limit to In the above embodiment.It will be understood by those skilled in the art that it can be carried out in the case where not departing from present techniques thought Modifications and variations, these modifications and variations are also contained in the protection domain of the application.

Reference numerals list

1：LED headlight modules；10：LED light source block；101：LED light source；102：LED light source drive module；111： LED unit；20：Reflection part；201：First reflector；202：Second reflector；211：The joint flange of first reflector； 221：The joint flange of second reflector；222：Hole；20-10：First light beam；20-20：Second light beam；30：Transmitting member； 301：Lens；302：Lens carrier；30-10：Hot spot light type light beam；30-20：Basic light type light beam；40：Light-blocking member；401： Shadow shield；402：Shading sheet drive；403：Torsionspring；404：Pivot；405：Mounting bracket；406：Driver junction surface； 411：Engage lug；412：Elongated hole；421：The dynamic iron core of electromagnet；422：Electromagnetic solenoid；50：Thermal component；501：Base Plate；502：Radiator；503：Blower tray；504：Fan.

Claims (19)

1. A kind of 1. LED headlight modules (1), it is characterised in that including：

   Lens (301)；

   LED light source (101), the LED light source (101) are made of single or multiple LED units (111)；

   Reflection part (20), the reflection part (20) include the first reflector (201) and the second reflector (202), wherein, institute The light that LED unit (111) is sent is stated to reflect and distinguish via first reflector (201) and second reflector (202) Form the first light beam (20-10) and the second light beam (20-20), first light beam (20-10) and second light beam (20-20) The outgoing beam to form the LED headlight modules (1) is superimposed by the refraction of the lens (301)；And

   Light-blocking member (40), the light-blocking member (40) are arranged between the reflection part (20) and the lens (301), institute State light-blocking member (40) to be operable to switch between first state and the second state so that when light-blocking member (40) place First light beam (20-10) and second light beam (20-20) are partly blocked when the first state so that described The outgoing beam of LED headlight modules (1) forms passing beam, and when the light-blocking member (40) is in described second First light beam (20-10) and second light beam (20-20) are not blocked during state completely so that the LED headlamps group The outgoing beam of part (1) forms driving beam.
2. 2. LED headlight modules (1) according to claim 1, it is characterised in that first reflector (201) and institute The second reflector (202) is stated to be disposed adjacent to each other and be arranged on the same of the LED unit (111) in a vertical direction Side, first reflector (201) are arranged to than second reflector (202) closer to the LED unit (111).
3. 3. LED headlight modules (1) according to claim 2, it is characterised in that first reflector (201) has First curvature, second reflector (202) have the torsion smaller than the first curvature.
4. 4. LED headlight modules (1) according to claim 3, it is characterised in that first reflector (201) it is upper Edge is equal to or less than 10 millimeters relative to the height of the mounting plane (P) of the LED unit (111) in a vertical direction.
5. 5. LED headlight modules (1) according to claim 1, it is characterised in that the LED unit (111) is arranged on institute State at the entrance focus position of the first reflector (201) and second reflector (202) or to be arranged close to described first anti- The entrance focus position of emitter (201) and second reflector (202).
6. 6. LED headlight modules (1) according to claim 5, it is characterised in that first light beam (20-10) focuses on At the entrance focus of the lens (301) or focus near the entrance focus of the lens (301), and, described second Focus on to beam section at the entrance focus of the lens (301) or focus near the entrance focus of the lens (301) And partly both sides defocus to the left and right.
7. 7. the LED headlight modules (1) according to any one of claim 1 to 6, it is characterised in that the light shielding part Part (40) includes shadow shield (401) and shading sheet drive (402), and the shadow shield (401) is connected to the shadow shield driving Device (402) is simultaneously driven to be pivoted movement or translational motion by the shading sheet drive (402).
8. 8. LED headlight modules (1) according to claim 7, it is characterised in that shading sheet drive (402) energy It is enough to be operated between the first operating position and the second operating position, wherein, the shading sheet drive (402) is being operated to described The shadow shield (401) is driven to partly blocking first light beam (20-10) and described second during the first operating position The deployed position of light beam (20-20), and the shading sheet drive (402) when operation is to second operating position by institute State shadow shield (401) driving and recall position to do not block first light beam (20-10) and second light beam (20-20) completely Put.
9. 9. LED headlight modules (1) according to claim 8, it is characterised in that at the deployed position, the screening The upper limb of tabula rasa (401) flushes or differs in a vertical direction ± 0.3 millimeter with the central axis of the lens (301), and/ Or the upper limb with first reflector (201) flushes or differs ± 0.16 millimeter in a vertical direction.
10. 10. LED headlight modules (1) according to claim 9, it is characterised in that at the deployed position, the screening The midpoint of the upper limb of tabula rasa (401) is located at incidence Jiao at the entrance focus of the lens (301) or close to the lens (301) Point.
11. 11. LED headlight modules (1) according to claim 8, it is characterised in that shading sheet drive (402) structure Make as electromagnet, the electromagnet includes electromagnetic solenoid (422) and can be relative to the electromagnetic solenoid (422) along described The dynamic iron core (421) of the axial direction stretching motion of electromagnet, also, driver engagement is provided with the shadow shield (401) Portion, the dynamic iron core (421) of the electromagnet are engaged to drive with the driver junction surface on the shadow shield (401) The shadow shield (401) is pivoted movement or translational motion.
12. 12. LED headlight modules (1) according to claim 11, it is characterised in that the driver interface architecture is From the engagement lug (411) of the shadow shield (401) extension, elongated hole (412), institute are provided with the engagement lug (411) An end for stating the dynamic iron core (421) of electromagnet is received within the elongated hole (412).
13. 13. LED headlight modules (1) according to claim 11, it is characterised in that the light-blocking member (40) further includes Pivot (404), the shadow shield (401) are rotatably mounted on the pivot (404) so that in the shadow shield Driver (402) from first operating position operate to second operating position when, the shadow shield (401) is around the pivot Axis (404) is rotated to the withdrawn position from the deployed position, and in the shading sheet drive (402) from described second When operating position is operated to first operating position, the shadow shield (401) is around the pivot (404) from the withdrawn position Rotate to the deployed position.
14. 14. LED headlight modules (1) according to claim 13, it is characterised in that the light-blocking member (40) further includes Bias unit (403), the bias unit (403) are arranged on the pivot (404) and are biased towards the deployed position The shadow shield (401).
15. 15. LED headlight modules (1) according to claim 13, the movement of the dynamic iron core (421) of the electromagnet Direction is orthogonal with the axis direction of the pivot (404).
16. 16. LED headlight modules (1) according to claim 7, light-blocking member (40) further include mounting bracket (405), institute State shadow shield (401) and the shading sheet drive (402) is installed in the mounting bracket (405).
17. 17. the LED headlight modules (1) according to any one of claim 1 to 6, it is characterised in that described first is anti- Emitter (201) and the second reflector (202) are formed as one formula component or are respectively formed as different components.
18. 18. the LED headlight modules (1) according to any one of claim 1 to 6, it is characterised in that the lens (301) it is planoconvex spotlight or biconvex lens, and/or, the shape of the lens (301) is circular, ellipse or rectangle.
19. 19. a kind of vehicle, including the LED headlight modules (1) according to any one of claim 1 to 18.