CN104896398A - Automobile headlight LED light source manufacturing method and structure - Google Patents
Automobile headlight LED light source manufacturing method and structure Download PDFInfo
- Publication number
- CN104896398A CN104896398A CN201510171430.4A CN201510171430A CN104896398A CN 104896398 A CN104896398 A CN 104896398A CN 201510171430 A CN201510171430 A CN 201510171430A CN 104896398 A CN104896398 A CN 104896398A
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- CN
- China
- Prior art keywords
- light source
- led light
- package support
- led
- positive pole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening 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
- F21V17/12—Fastening 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
Abstract
The invention discloses an automobile headlight LED light source manufacturing method and a structure. A halide lamp or a xenon light source of a present automobile headlight is replaced by an LED light source assembly having the similar shape and size as the halide lamp or the xenon light; an illuminating body of the LED light source assembly is placed in a focus point (f) of a light fixture paraboloid reflection cup; a packaging rack of the LED light source assembly is a right polygonal cylindrical body having 5 or more sides; and the whole internal paraboloid of the paraboloid reflection cup can be illuminated in 360-degree by the LED light sources evenly distributed on each cylindrical surface of the right polygonal cylindrical body, so even reflected light can be achieved. The appearance of the LED light source assembly is similar to the halide lamp or the xenon light on the present automobile, so the LED light source can be directly utilized and convenient use can be achieved. The automobile headlight LED light source possesses high brightness and low energy consumption; service life of automobile storage battery can be prolonged; and the automobile headlight LED light source manufacturing method can be applied to automobile headlights and can also be used as energy-saving light sources for spotlight and searchlight.
Description
Technical field
the present invention relates to a kind of preparation method and structure of automobile headlamp LED light source, belong to the COB integration packaging technical field of LED chip.
Background technology
current automobile front adopts Halogen lamp LED or xenon lamp light source mostly, and this kind of light source energy consumption is large.After LED light source occurs, industry circle attempts making LED light source substitute existing Halogen lamp LED or xenon lamp light source, to save the energy consumption of automobile storage battery always.But due to existing LED paster many employings plane one direction encapsulation, the lighting angle of LED paster is at 110 ~ 120 degree, even if employing lens are also difficult to the optically focused effect playing automobile front parabolic reflector lamp tool in a package.LED automobile headlight light source product outside Present Domestic is still still flat luminous, not only there is the problem that power is comparatively large, cooling requirements is higher; And due to flat luminous form, under-utilized to parabolic reflector, also there is the problem that spotlight effect is poor, even if increase convex lens focus, its effect is still undesirable.Therefore, the result of use of existing automobile headlamp LED light source or not ideal enough, still can not meet the needs of use.
Summary of the invention
the object of the invention is to, a kind of preparation method and structure of automobile headlamp LED light source are provided, when brightness is not less than existing vehicle lamp brightness, existing Halogen lamp LED or xenon lamp is substituted with LED light source, to reduce the energy consumption of automobile front, extend the service life of automobile storage battery, thus overcome the deficiencies in the prior art.
technical scheme of the present invention is achieved in that
the preparation method of a kind of automobile headlamp LED light source of the present invention adopts the close LED light source component of appearance and size and Halogen lamp LED or xenon lamp to substitute Halogen lamp LED in existing headlight or xenon lamp light source; The luminous body position of LED light source component is in the focus point f of light fixture paraboloid reflecting cup; The package support of LED light source component adopts limit number to be equal to or greater than the positive polygonal cylinder of 5, realizes LED light source to be radiated at paraboloid reflecting cup whole interior parabola without dead angle, to obtain uniform reverberation by the LED light source that each cylinder of positive polygonal cylinder is uniform.
in preceding method, in described package support, be provided with positive pole bar, isolate through insulation sleeve and insulating cement between positive pole bar and package support; Positive pole bar and package support all adopt the copper of conduction and good heat conductivity, aluminum or aluminum alloy material is made, positive pole bar and the process of package support electroplate; Package support doubles as power cathode and is connected with car light pedestal; Positive pole bar is connected for LED light source provides power supply with Der StandlichtScheinwerfer und Parkleuchtenschalter or power supply circuits.
in preceding method, be provided with stud bottom described package support, stud is connected with the radiator be fixed on car body after the bottom outlet of parabolic reflector cup passes; The axial location of luminous site in LED light source component is regulated, to guarantee that the luminous body position of LED light source component is in the focus point f of paraboloid reflecting cup by stud.
structure according to of the present invention a kind of automobile headlamp LED light source of said method formation is that this structure comprises paraboloid reflecting cup, and the focus point f of paraboloid reflecting cup is provided with LED light source component; LED light source component comprises package support, and package support is the positive polygonal cylinder that limit number is equal to or greater than 5, is provided with positive pole bar in positive polygonal cylinder, isolates between positive pole bar and package support through insulation sleeve and insulating cement; Package support is evenly equipped with LED paster.
in aforementioned structure, described positive pole bar one end is the brace corresponding with positive polygonal cylinder cross sectional shape, is provided with conducting rod bottom brace.
in aforementioned structure, described insulation sleeve is high temperature resistant organic insulation or ceramic objects.
in aforementioned structure, each cylinder of described package support is evenly equipped with LED paster, and the LED paster spread pattern of each cylinder is all identical with quantity; LED paster on same cylinder is connected in series, and the negative pole after series connection is connected with package support, and the positive pole after series connection is connected with positive pole bar.
in aforementioned structure, be provided with stud bottom described package support, the junction of stud and positive polygonal cylinder is provided with enclosed seat, and enclosed seat is connected with shell; The shape of shell is spherical, truncated cone-shaped or cylindrical.
in aforementioned structure, the stud bottom described package support is connected with the radiator be fixed on car body after the bottom outlet of parabolic reflector cup passes.
owing to have employed technique scheme, compared with prior art, the present invention adopts positive multi-faceted column enclosure support structure in the present invention, LED paster is pasted onto on each of positive multi-faceted column uniformly, by lead-in wire welding, fluorescent material applies, and the process procedures such as silica gel packaging complete.Halogen lamp LED on LED light source component profile of the present invention and existing car is substantially close with xenon lamp, directly can replace the Halogen lamp LED on existing car and xenon lamp, use very convenient.In addition, the present invention also has the advantage that brightness is high, energy consumption is low, effectively can extend the service life of automobile storage battery.The present invention not only can be used for automobile front, and the energy-conserving light source that also can be used as spotlight and searchlight uses.
Accompanying drawing explanation
fig. 1 is method schematic diagram of the present invention;
fig. 2 is the structural representation of LED light source component;
fig. 3 is the syndeton schematic diagram of package support and positive pole bar;
fig. 4 is the structural representation of package support;
fig. 5 is the structural representation of positive pole bar;
fig. 6 is the structural representation of insulation sleeve;
fig. 7 is the light emitting anger of LED paster and the XY plot of relative luminous intensity;
fig. 8 is the light emitting anger of LED paster and the polar plot of relative luminous intensity.
being labeled as in accompanying drawing: 1-paraboloid reflecting cup, 2-LED light source assembly, 3-package support, 4-positive pole bar, 5-insulation sleeve, 6-insulating cement, 7-LED paster, 8-brace, 9-conducting rod, 10-stud, 11-enclosed seat, 12-goes between, 13-solder joint.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
the preparation method of a kind of automobile headlamp LED light source of the present invention is, as shown in Figure 1, the method adopts appearance and size and Halogen lamp LED or the close LED light source component 2 of xenon lamp to substitute Halogen lamp LED in existing headlight or xenon lamp light source; The luminous body position of LED light source component is in the focus point f of light fixture paraboloid reflecting cup 1; The package support 3 of LED light source component adopts limit number to be equal to or greater than the positive polygonal cylinder of 5 as Suo Shi Fig. 2 and Fig. 2 ~ 4, by the LED light source that each cylinder of positive polygonal cylinder is uniform realize LED light source without dead angle be radiated at paraboloid reflecting cup whole in parabola, to obtain uniform reverberation.As shown in Figure 3, in package support 3, be provided with positive pole bar 4, isolate through insulation sleeve 5 and insulating cement 6 between positive pole bar and package support; Positive pole bar and package support all adopt the copper of conduction and good heat conductivity, aluminum or aluminum alloy material is made, positive pole bar and the process of package support electroplate; Package support doubles as power cathode and is connected with car light pedestal; Positive pole bar is connected with Der StandlichtScheinwerfer und Parkleuchtenschalter or power supply, for LED light source provides power supply.As shown in Figure 1, be provided with stud 10 bottom package support 3, stud is connected with the radiator be fixed on car body (not shown in FIG.) after the bottom outlet of parabolic reflector cup 1 passes; The axial location of luminous site in LED light source component is regulated, to guarantee that the luminous body position of LED light source component is in the focus point f of paraboloid reflecting cup by stud.
structure according to of the present invention a kind of automobile headlamp LED light source of said method formation is that as shown in Figure 1, this structure comprises paraboloid reflecting cup 1, and the focus point f of paraboloid reflecting cup 1 is provided with LED light source component 2; LED light source component as shown in Figure 3, comprises package support 3, and package support is the positive polygonal cylinder that limit number is equal to or greater than 5, is provided with the positive pole bar 4 of metal in positive polygonal cylinder, isolates between positive pole bar 4 and package support through insulation sleeve 5 and insulating cement 6; As shown in Figure 2, package support is evenly equipped with LED paster 7.As shown in Figure 5, positive pole bar 4 one end is the brace 8 corresponding with positive polygonal cylinder cross sectional shape, is provided with conducting rod 9 bottom brace.As shown in Figure 6, insulation sleeve 5 is high temperature resistant organic insulation or ceramic objects.Each cylinder of package support 3 is evenly equipped with LED paster 7 as shown in Figure 2, and the LED paster spread pattern of each cylinder is all identical with quantity; LED paster on same cylinder 12 to be connected in series through going between, and the negative wire after series connection welds with package support, and the positive wire after series connection welds with positive pole bar, and the solder joint 13 in Fig. 2 is pad.Package support 3 as shown in Figure 4 bottom is provided with stud 10, and the junction of stud and positive polygonal cylinder is provided with enclosed seat 11, and enclosed seat 11 is connected with shell (not shown in FIG.) as shown in Figure 2; The shape of shell is spherical, truncated cone-shaped or cylindrical.As shown in Figure 1, the stud 10 bottom package support 3 is connected with the radiator be fixed on car body (not shown in FIG.) after the bottom outlet of parabolic reflector cup 1 passes.
Embodiment
during concrete enforcement, existing paraboloid reflecting cup 1 on car can be retained, just replace Halogen lamp LED on existing car or xenon lamp by LED light source component 2 of the present invention.In order to not affect reflecting effect, during making, the appearance and size of LED light source component 2 should be substantially close with the appearance and size of Halogen lamp LED and xenon lamp.LED light source must act on whole or most interior parabola (namely interior parabola can by effect of light) for achieving the above object, this just needs LED light source must be that sphere or cylinder are luminous, therefore the present invention adds a sphere or cylinder shell outside package support, adopts milky floodlight material to make.The size of LED light source should as far as possible little (close to spot light), and LED light source wants position on the focus f of interior parabolic reflective surface.Therefore, during actual fabrication, the diameter of shell should control between diameter 5 ~ 6mm; Height should control between 4 ~ 5mm.
according to the characteristic of LED light source, the LED paster lighting angle of planar package is at 110 ~ 120 degree, and the lighting angle of LED paster nude film is at about 120 ~ 130 degree.Fig. 7 with Fig. 8 is the light emitting anger of LED paster and the fundamental relation figure of relative light radiation intensity, and as seen from the figure, maximumly relative to light radiation intensity when the lighting angle of LED chip is 0 degree reach 100%, the relative light radiation intensity of the increase along with lighting angle declines rapidly.In order to adapt to the characteristic of LED paster, determination package support of the present invention adopts face number to be equal to or greater than 5 positive polygonal cylinders, to guarantee within the scope of 360 degree, without light radiation dead angle, to avoid the light uniformity of light source to be deteriorated.
insulation sleeve adopts high-temperature insulation cover to adopt high temperature organic material (200 DEG C) or pottery; Its effect is isolated by positive and negative electrode.
positive electric pole adopts the metal material that heat dissipation characteristics is good, such as copper, aluminium, aluminium alloy; Overall silver-plated; As the positive electrode after LED.
package support adopts the metal material that heat dissipation characteristics is good, such as copper, aluminium, aluminium alloy; Positive multi-faceted column electroplate; Support is as the negative electrode after LED.The bottom screw rod of support can connect the radiator of all size as required.
the equal LED paster of quantity must be installed in each face of positive multi-faceted column of package support, and the layout of LED paster and spacing are also identical, even to ensure cylinder light.
positively charged metal pole bar is the positive electrode of whole encapsulation; Metal multi-faceted column support is the negative electrode of whole encapsulation; The LED branch road of each is the structure of series connection; All faces are parallel-connection structures; The operating voltage (V) of LED light source component is determined by the LED paster quantity of connecting, and electric current (I) is determined by the branch road summation of parallel connection, power P=I × V.
lED is pasted onto on each of positive multi-faceted column, and by lead-in wire (gold thread) welding, fluorescent material applies, and the process procedures such as silica gel packaging complete.The size that the physical dimension of package support can be pasted according to LED, chip number, the factors such as the size of watt level, parabolic reflective surface adjust.
Claims (9)
1. a preparation method for automobile headlamp LED light source, is characterized in that: the method adopts appearance and size and Halogen lamp LED or the close LED light source component of xenon lamp to substitute Halogen lamp LED in existing headlight or xenon lamp light source; The luminous body position of LED light source component is in the focus point f of light fixture paraboloid reflecting cup; The package support of LED light source component adopts limit number to be equal to or greater than the positive polygonal cylinder of 5, realizes LED light source to be radiated at paraboloid reflecting cup whole interior parabola without dead angle, to obtain uniform reverberation by the LED light source that each cylinder of positive polygonal cylinder is uniform.
2. the preparation method of automobile headlamp LED light source according to claim 1, is characterized in that: be provided with positive pole bar in described package support, isolates between positive pole bar and package support through insulation sleeve and insulating cement; Positive pole bar and package support all adopt the copper of conduction and good heat conductivity, aluminum or aluminum alloy material is made, positive pole bar and the process of package support electroplate; Package support doubles as power cathode and is connected with car light pedestal; Positive pole bar is connected for LED light source provides power supply with Der StandlichtScheinwerfer und Parkleuchtenschalter or power supply circuits.
3. the preparation method of automobile headlamp LED light source according to claim 1, is characterized in that: be provided with stud bottom described package support, and stud is connected with the radiator be fixed on car body after the bottom outlet of parabolic reflector cup passes; The axial location of luminous site in LED light source component is regulated, to guarantee that the luminous body position of LED light source component is in the focus point f of paraboloid reflecting cup by stud.
4. the structure of automobile headlamp LED light source that method is formed according to the arbitrary claim of claims 1 to 3, comprises paraboloid reflecting cup (1), it is characterized in that: the focus point f of paraboloid reflecting cup (1) is provided with LED light source component (2); LED light source component comprises package support (3), and package support is the positive polygonal cylinder that limit number is equal to or greater than 5, is provided with positive pole bar (4) in positive polygonal cylinder, isolates between positive pole bar and package support through insulation sleeve (5) and insulating cement (6); Package support is evenly equipped with LED paster (7).
5. the structure of automobile headlamp LED light source according to claim 4, is characterized in that: described positive pole bar (4) one end is the brace (8) corresponding with positive polygonal cylinder cross sectional shape, is provided with conducting rod (9) bottom brace.
6. the structure of automobile headlamp LED light source according to claim 4, is characterized in that: described insulation sleeve (5) is high temperature resistant organic insulation or ceramic objects.
7. the structure of automobile headlamp LED light source according to claim 4, it is characterized in that: each cylinder of described package support (3) is evenly equipped with LED paster (7), the LED paster spread pattern of each cylinder is all identical with quantity; LED paster on same cylinder is connected in series, and the negative pole after series connection is connected with package support, and the positive pole after series connection is connected with positive pole bar.
8. the structure of automobile headlamp LED light source according to claim 4, is characterized in that: described package support (3) bottom is provided with stud (10), and the junction of stud and positive polygonal cylinder is provided with enclosed seat (11), and enclosed seat (11) is connected with shell; The shape of shell is spherical, truncated cone-shaped or cylindrical.
9. the structure of automobile headlamp LED light source according to claim 4, is characterized in that: the stud (10) of described package support (3) bottom is connected with the radiator be fixed on car body after the bottom outlet of parabolic reflector cup (1) passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171430.4A CN104896398A (en) | 2015-04-13 | 2015-04-13 | Automobile headlight LED light source manufacturing method and structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171430.4A CN104896398A (en) | 2015-04-13 | 2015-04-13 | Automobile headlight LED light source manufacturing method and structure |
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| Publication Number | Publication Date |
|---|---|
| CN104896398A true CN104896398A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510171430.4A Pending CN104896398A (en) | 2015-04-13 | 2015-04-13 | Automobile headlight LED light source manufacturing method and structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104896398A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601701A (en) * | 2017-01-19 | 2017-04-26 | 贵州煜立电子科技有限公司 | Stereoscopic packaging method and structure for high-power two-end surface leading foot electronic component |
| CN108397744A (en) * | 2017-02-04 | 2018-08-14 | 通用汽车环球科技运作有限责任公司 | Vehicle head lamp |
| WO2022028022A1 (en) * | 2020-08-04 | 2022-02-10 | 东莞市瑞拓科技有限公司 | Novel led stereoscopic light source |
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| CN102364232A (en) * | 2011-10-12 | 2012-02-29 | 东莞市鼎聚光电有限公司 | Reflection type LED (Light-Emitting Diode) high beam for vehicle |
| CN203024011U (en) * | 2012-12-18 | 2013-06-26 | 马瑞利汽车零部件(芜湖)有限公司 | Light-emitting diode (LED) car lamp of car |
| CN204114779U (en) * | 2014-10-20 | 2015-01-21 | 潘殿波 | Adjustable focal length LED car lamp |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206765Y (en) * | 2008-01-03 | 2009-03-11 | 邱立华 | Vehicle lamp |
| CN102364232A (en) * | 2011-10-12 | 2012-02-29 | 东莞市鼎聚光电有限公司 | Reflection type LED (Light-Emitting Diode) high beam for vehicle |
| CN203024011U (en) * | 2012-12-18 | 2013-06-26 | 马瑞利汽车零部件(芜湖)有限公司 | Light-emitting diode (LED) car lamp of car |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601701A (en) * | 2017-01-19 | 2017-04-26 | 贵州煜立电子科技有限公司 | Stereoscopic packaging method and structure for high-power two-end surface leading foot electronic component |
| CN106601701B (en) * | 2017-01-19 | 2023-03-28 | 贵州煜立电子科技有限公司 | Three-dimensional packaging method and structure of high-power electronic component with two end surface lead-out pins |
| CN108397744A (en) * | 2017-02-04 | 2018-08-14 | 通用汽车环球科技运作有限责任公司 | Vehicle head lamp |
| WO2022028022A1 (en) * | 2020-08-04 | 2022-02-10 | 东莞市瑞拓科技有限公司 | Novel led stereoscopic light source |
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Application publication date: 20150909 |
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