CN107401716B - Upper reflection type LED dipped headlight assembly - Google Patents

Upper reflection type LED dipped headlight assembly Download PDF

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Publication number
CN107401716B
CN107401716B CN201710672325.8A CN201710672325A CN107401716B CN 107401716 B CN107401716 B CN 107401716B CN 201710672325 A CN201710672325 A CN 201710672325A CN 107401716 B CN107401716 B CN 107401716B
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CN
China
Prior art keywords
dimming
main body
screws
annular main
radiating seat
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Active
Application number
CN201710672325.8A
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Chinese (zh)
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CN107401716A (en
Inventor
彭鹍
王培发
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Filing date
Publication date
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Priority to CN201710672325.8A priority Critical patent/CN107401716B/en
Publication of CN107401716A publication Critical patent/CN107401716A/en
Application granted granted Critical
Publication of CN107401716B publication Critical patent/CN107401716B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses an upper reflection type LED dipped headlight assembly, a lens is clamped and fixed by a decorative ring and a spotlight bracket, the spotlight bracket is composed of an annular main body and left and right connecting support legs which are integrally formed with the annular main body and extend backwards, and the outer diameter of the annular main body corresponds to the inner diameter of the decorative ring. The light source is composed of an LED module and is arranged on the upper surface of the radiating seat, and the reflecting bowl is arranged above the radiating seat and covers the LED module; a plurality of radiating fins are arranged on the upper surface of the radiating seat and positioned behind the reflecting bowl; the two connecting support legs of the spotlight support are respectively connected with threaded holes on the left side and the right side in front of the upper surface of the radiating seat through screws, light emitted by the LED light source is projected upwards onto the reflecting bowl to change the direction and then is emitted horizontally, and the light is emitted through the lens. The upper reflection type LED dipped headlight assembly can replace the traditional halogen light source or xenon lamp, and has the advantages of low power consumption, small occupied space and flexible and changeable shape.

Description

Upper reflection type LED dipped headlight assembly
Technical Field
The invention relates to improvement of an automobile lamp, in particular to an upper reflection type LED dipped headlight assembly, and belongs to the technical field of automobile lamps.
Background
The lamp is an important part on the vehicle and has great significance for improving the safety of night driving. Vehicles often include a wide variety of different functional light groupings, such as basic high beam lights, low beam lights, turn signals, brake lights, position lights, fog lights, backup lights, etc., typically the high beam and low beam lights of an automobile are integrated together to form a vehicle combination headlight. The LED is increasingly used in the far and near light sources used in the market at present, and although the light sources are continuously improved, the light sources are poor in structural compactness, and for light distribution, the rear part of the LED lamp is provided with a reflecting bowl, so that the space is not saved, and the product modeling is not improved. Meanwhile, although the LED lamp has stronger technological sense compared with a halogen bulb, the LED lamp has compact structure, small occupied space and flexible and changeable shape on the premise of realizing basic functions, and is considered by technicians, and is a selling point of the current automobiles.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the upper reflection type LED dipped headlight assembly which has a compact structure and saves space.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an upper reflection type LED dipped headlight assembly comprises a lens, a reflection bowl, a light source and a heat dissipation seat; the lens is spherical and clamped and fixed through a decorative ring and a spotlight bracket, wherein the front end of the decorative ring is inwards folded to form a limiting protruding edge, the mouth of the lens is outwards folded to form an annular buckling edge, the spherical part of the lens protrudes out of the front end of the decorative ring, the buckling edge is positioned in the decorative ring and buckles with the limiting protruding edge, the spotlight bracket consists of an annular main body and left and right connecting supporting legs which are integrally formed with the annular main body and extend backwards, the outer diameter of the annular main body corresponds to the inner diameter of the decorative ring, the annular main body is positioned in the decorative ring, the front end of the annular main body abuts against the buckling edge, an elastic lock catch is arranged on the decorative ring, and the elastic lock catch is buckled with the annular main body;
the light source consists of an LED module, the LED module is arranged on the upper surface of the radiating seat, the reflecting bowl is formed by the rest part of the spherical crown after being cut along the direction parallel to the height, the reflecting bowl is arranged above the radiating seat and covers the LED module, and the opening of the reflecting bowl is forward; a plurality of radiating fins are arranged on the upper surface of the radiating seat and positioned behind the reflecting bowl; screw holes are formed in the left side and the right side in front of the upper surface of the radiating seat, and vertical upward mounting lugs are arranged behind the screw holes on the two sides, and are positioned in front of the reflecting bowl; the two connecting support legs of the spotlight support are respectively connected with threaded holes on the left side and the right side in front of the upper surface of the radiating seat through screws, so that the spotlight support and the radiating seat are fixed together, the lens is arranged right in front of the radiating fin, and the reflecting bowl is positioned behind the lens; light emitted by an LED light source on the LED module is projected upwards to the reflecting bowl to change the direction, then is emitted horizontally through the opening of the reflecting bowl, and is emitted through the lens.
The upper reflection type LED dipped headlight assembly further comprises a dimming mechanism, wherein the dimming mechanism comprises a ring-shaped dimming bracket and a dimming operation part, and the dimming bracket is sleeved with the heat dissipation seat and fixedly connected with two mounting lugs on the heat dissipation seat through screws; the left side and the right side below the dimming bracket are provided with dimming seats, the dimming operation component comprises two dimming screws and a dimming motor, the two dimming screws are respectively connected with the dimming seats through screw rod sleeves and ball seats, the ball seats are fixed with the dimming seats through screws, the front ends of the screw rod sleeves are provided with ball heads, the ball heads are embedded in ball sockets of the ball seats and can rotate, the front ends of the dimming screws are in threaded connection with the screw rod sleeves, the screw rod sleeves are provided with guide plates, and the guide plates are positioned in guide grooves on lamp shells, so that the screw rod sleeves can only move forwards and backwards and cannot rotate when the dimming screws rotate; a ball head is arranged on an output shaft of the dimming motor and embedded in a hemispherical groove, and the hemispherical groove is fixed with the dimming bracket; the adjusting ends of the dimming motor and the two dimming screws are arranged on the lamp housing.
Further, the output shaft of the dimming motor and the two dimming screws are parallel to each other and are approximately positioned on three vertexes of a right triangle, the two dimming screws are positioned at the same height, and the output shaft of the dimming motor is positioned above the dimming screws.
The tail part of the decorative ring is provided with a plurality of groups of axial separation grooves along the circumference, each group of separation grooves is two, the elastic lock catch is naturally formed by the part between the two separation grooves in each group, the end part of the elastic lock catch is provided with an inwards-extending back-off, and the outer surface of the back-off is a guide inclined plane which is convenient for the insertion of the annular main body of the spotlight bracket; the outer surface of the annular main body is provided with a clamping groove at the position corresponding to each elastic lock catch, and when the back-off lock catch is connected to the tail part of the annular main body, the front end of the annular main body abuts against the lock catch edge.
The front end of the radiating seat is provided with a concave arc structure, and a plurality of radiating fins which are parallel forwards and vertically arranged are arranged on the arc surface.
The LED dipped headlight assembly with the upper reflection structure can replace a traditional halogen light source or a xenon lamp, and has the advantages of low power consumption, small occupied space and flexible and changeable shape.
Drawings
FIG. 1-exploded view of the present invention.
Fig. 2-side view of the invention.
Fig. 3-perspective view of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1 to 3, it can be seen that the upper reflective LED low beam lamp assembly of the present invention comprises a lens 1, a reflective bowl 2, a light source 3 and a heat sink 4; the lens 1 is spherical crown-shaped and is clamped and fixed through a decorative ring 5 and a spotlight bracket 6, wherein the front end of the decorative ring 5 is folded inwards to form a limiting protruding edge, the mouth of the lens 1 is folded outwards to form an annular buckling edge, the spherical surface part of the lens protrudes out of the front end of the decorative ring, the buckling edge is positioned in the decorative ring and is buckled with the limiting protruding edge, the spotlight bracket 6 consists of an annular main body 61 and left and right connecting supporting legs 62 which are integrally formed with the annular main body and extend backwards, the outer diameter of the annular main body 61 corresponds to the inner diameter of the decorative ring 5, the annular main body 61 is positioned in the decorative ring 5, the front end of the annular main body abuts against the buckling edge, an elastic lock catch 7 is arranged on the decorative ring 5, and the elastic lock catch 7 is buckled with the annular main body 61.
The light source 3 is composed of an LED module, the LED module is arranged on the upper surface of the radiating seat 4, the reflecting bowl is formed by the rest part of the spherical crown after being cut along the direction parallel to the height, the reflecting bowl 2 is arranged above the radiating seat 4 and covers the LED module, and the opening of the reflecting bowl is forward; a plurality of radiating fins 8 are arranged on the upper surface of the radiating seat 4 and positioned behind the reflecting bowl 2; screw holes are formed in the left side and the right side in front of the upper surface of the radiating seat, vertical upward mounting lugs 9 are arranged right behind the screw holes on the two sides, and the mounting lugs 9 are positioned in front of the reflecting bowl 2; the two connecting support legs 62 of the spotlight bracket are respectively connected with threaded holes on the left side and the right side in front of the upper surface of the radiating seat 4 through screws, so that the spotlight bracket 6 and the radiating seat 4 are fixed together, the lens 1 is arranged right in front of the radiating fins 4, and the reflecting bowl 2 is positioned behind the lens 1; the light emitted by the LED light source on the LED module is projected upwards to the reflecting bowl 2 to change the direction, then is emitted horizontally through the opening of the reflecting bowl, and is emitted through the lens 1. Of course, the lens is only the lens of the low beam lamp assembly, and when the high beam lamp assembly and the low beam lamp assembly are mounted on the lamp housing together to form the headlight assembly, the lens at the forefront end is also provided with a lens, so that the lens in the structure can be called an inner lens, and the lens at the forefront end of the headlight assembly is an outer lens.
Of course, the lamps need to be dimmed, that is, a dimming mechanism is included. The dimming mechanism of the upper reflection type LED dipped headlight assembly comprises a circular dimming bracket 10 and a dimming operation part, wherein the dimming bracket 10 is sleeved with a heat dissipation seat 4 and fixedly connected with two mounting lugs 9 on the heat dissipation seat through screws; the left side and the right side below the dimming bracket 10 are provided with dimming seats 11, dimming operation components comprise two dimming screw rods 12 and a dimming motor 13, the two dimming screw rods 12 are respectively connected with the dimming seats 11 through screw rod sleeves 14 and ball seats 15, wherein the ball seats 15 are fixed with the dimming seats 11 through screws, the front ends of the screw rod sleeves 14 are provided with ball heads, the ball heads are embedded in ball sockets of the ball seats and can rotate, the front ends of the dimming screw rods 12 are in threaded connection with the screw rod sleeves 14, the screw rod sleeves 14 are provided with guide plates 16, and the guide plates are positioned in guide grooves on lamp shells, so that the screw rod sleeves can only move forwards and backwards but cannot rotate when the dimming screw rods rotate; a ball head is arranged on an output shaft of the dimming motor 13 and is embedded in a hemispherical groove 17, and the hemispherical groove 17 is fixed with the dimming bracket 10; the adjusting ends of the dimming motor 13 and the two dimming screws 12 are arranged on the lamp housing. In general, the two dimming screws are used for dimming before the lamp manufacturer leaves the factory or for dimming of the automobile manufacturer. The dimming motor is used for dimming for consumers, and can only adjust the pitch angle of lamplight, but not adjust the left and right directions.
The output shaft of the dimming motor and the two dimming screws are parallel to each other and are approximately positioned on three vertexes of a right triangle, the two dimming screws are positioned at the same height, and the output shaft of the dimming motor is positioned above the dimming screws.
The tail part of the decorative ring 5 is circumferentially provided with a plurality of groups of axial separation grooves 18, each group of separation grooves 18 is two, the elastic lock catch 7 is naturally formed by the part between the two separation grooves 18 in each group, the end part of the elastic lock catch is provided with an inwards extending back-off, and the outer surface of the back-off is a guide inclined plane which is convenient for the insertion of the annular main body of the spotlight bracket; the outer surface of the annular main body 61 is provided with a clamping groove 63 at a position corresponding to each elastic lock catch, and when the back-off lock catch is connected to the tail part of the annular main body, the front end of the annular main body abuts against the lock catch edge. The plastic sheet is provided with the partition grooves, and the plastic sheet between the two partition grooves naturally forms an elastic lock catch, so that the rapid buckling connection with the spotlight bracket can be realized, and the spotlight bracket is simple in structure and does not need a special lock catch structure.
The front end of the heat dissipation seat 4 is provided with a concave arc structure, and a plurality of heat dissipation fins 8 which are arranged in parallel and vertically forward are arranged on the arc surface. The radiating fins 8 are arranged on the surface of the arc-shaped concave structure, so that the radiating fins with the largest area are provided on the basis of reducing the volume of the radiating seat, and the radiating effect is improved.
The LED dipped headlight assembly with the upper reflection structure can replace a traditional halogen light source or a xenon lamp, and has the advantages of low power consumption, small occupied space and flexible and changeable shape.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (3)

1. An upper reflection type LED dipped headlight assembly comprises a lens, a reflection bowl, a light source and a heat dissipation seat; the method is characterized in that: the lens is spherical and clamped and fixed through a decorative ring and a spotlight bracket, wherein the front end of the decorative ring is inwards folded to form a limiting protruding edge, the mouth of the lens is outwards folded to form an annular buckling edge, the spherical part of the lens protrudes out of the front end of the decorative ring, the buckling edge is positioned in the decorative ring and buckles with the limiting protruding edge, the spotlight bracket consists of an annular main body and left and right connecting supporting legs which are integrally formed with the annular main body and extend backwards, the outer diameter of the annular main body corresponds to the inner diameter of the decorative ring, the annular main body is positioned in the decorative ring, the front end of the annular main body abuts against the buckling edge, an elastic lock catch is arranged on the decorative ring, and the elastic lock catch is buckled with the annular main body;
the light source consists of an LED module, the LED module is arranged on the upper surface of the radiating seat, the reflecting bowl is formed by the rest part of the spherical crown after being cut along the direction parallel to the height, the reflecting bowl is arranged above the radiating seat and covers the LED module, and the opening of the reflecting bowl is forward; a plurality of radiating fins are arranged on the upper surface of the radiating seat and positioned behind the reflecting bowl; screw holes are formed in the left side and the right side in front of the upper surface of the radiating seat, and vertical upward mounting lugs are arranged behind the screw holes on the two sides, and are positioned in front of the reflecting bowl; the two connecting support legs of the spotlight support are respectively connected with threaded holes on the left side and the right side in front of the upper surface of the radiating seat through screws, so that the spotlight support and the radiating seat are fixed together, the lens is arranged right in front of the radiating fin, and the reflecting bowl is positioned behind the lens; light emitted by an LED light source on the LED module is projected upwards to the reflecting bowl to change the direction and then horizontally emitted through the opening of the reflecting bowl, and then emitted through the lens;
the decorative ring is made of plastic; the tail part of the decorative ring is provided with a plurality of groups of axial separation grooves along the circumference, each group of separation grooves is two, the elastic lock catch is naturally formed by the part between the two separation grooves in each group, the end part of the elastic lock catch is provided with an inwards-extending back-off, and the outer surface of the back-off is a guide inclined plane which is convenient for the insertion of the annular main body of the spotlight bracket; the outer surface of the annular main body is provided with a clamping groove at a position corresponding to each elastic lock catch, and when the back-off lock catch is connected to the tail part of the annular main body, the front end of the annular main body is propped against the lock catch edge;
the front end of the radiating seat is provided with a concave arc structure, and a plurality of radiating fins which are parallel forwards and vertically arranged are arranged on the arc surface.
2. The upper reflective LED low beam lamp assembly of claim 1, wherein: the light adjusting mechanism comprises a ring-shaped light adjusting bracket and a light adjusting operation part, and the light adjusting bracket is sleeved with the heat radiating seat and is fixedly connected with two mounting lugs on the heat radiating seat through screws; the left side and the right side below the dimming bracket are provided with dimming seats, the dimming operation component comprises two dimming screws and a dimming motor, the two dimming screws are respectively connected with the dimming seats through screw rod sleeves and ball seats, the ball seats are fixed with the dimming seats through screws, the front ends of the screw rod sleeves are provided with ball heads, the ball heads are embedded in ball sockets of the ball seats and can rotate, the front ends of the dimming screws are in threaded connection with the screw rod sleeves, the screw rod sleeves are provided with guide plates, and the guide plates are positioned in guide grooves on lamp shells, so that the screw rod sleeves can only move forwards and backwards and cannot rotate when the dimming screws rotate; a ball head is arranged on an output shaft of the dimming motor and embedded in a hemispherical groove, and the hemispherical groove is fixed with the dimming bracket; the adjusting ends of the dimming motor and the two dimming screws are arranged on the lamp housing.
3. The upper reflective LED low beam lamp assembly of claim 2, wherein: the output shaft of the dimming motor and the two dimming screws are parallel to each other and are approximately positioned on three vertexes of a right triangle, the two dimming screws are positioned at the same height, and the output shaft of the dimming motor is positioned above the dimming screws.
CN201710672325.8A 2017-08-08 2017-08-08 Upper reflection type LED dipped headlight assembly Active CN107401716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710672325.8A CN107401716B (en) 2017-08-08 2017-08-08 Upper reflection type LED dipped headlight assembly

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Application Number Priority Date Filing Date Title
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CN107401716B true CN107401716B (en) 2023-08-08

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Publication number Priority date Publication date Assignee Title
CN107740991A (en) * 2017-11-30 2018-02-27 江苏语诣光电科技有限公司 A kind of single vision lens system
CN111422126A (en) * 2020-05-13 2020-07-17 徐州徐工汽车制造有限公司 Electric adjusting device for single dipped headlight and automobile
CN116685802A (en) * 2021-06-07 2023-09-01 华域视觉科技(上海)有限公司 Light shape adjusting method of lighting module, head lamp and vehicle

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