CN204513209U - A kind of structure of automobile headlamp LED light source - Google Patents
A kind of structure of automobile headlamp LED light source Download PDFInfo
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- CN204513209U CN204513209U CN201520218439.1U CN201520218439U CN204513209U CN 204513209 U CN204513209 U CN 204513209U CN 201520218439 U CN201520218439 U CN 201520218439U CN 204513209 U CN204513209 U CN 204513209U
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Abstract
The utility model discloses a kind of structure of automobile headlamp LED light source, comprise paraboloid reflecting cup (1), 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).Halogen lamp LED on the utility model LED light source component profile and existing car is substantially close with xenon lamp can directly be replaced, easy to use.The utility model brightness is high, and energy consumption is low, can extend the service life of automobile storage battery.The utility model not only can be used for automobile front, also can be used as the energy-conserving light source of spotlight and searchlight.
Description
Technical field
the utility model relates to a kind of structure of automobile headlamp LED light source, belongs 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.
Utility model content
the purpose of this utility model is, a kind of structure of automobile headlamp LED light source is 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.
the technical solution of the utility model is achieved in that
the structure of a kind of automobile headlamp LED light source of the present utility model 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 utility model adopts positive multi-faceted column enclosure support structure to the utility model, 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 utility model 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 utility model also has the advantage that brightness is high, energy consumption is low, effectively can extend the service life of automobile storage battery.The utility model 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 utility model;
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 utility model is described in further detail, but not as to any restriction of the present utility model.
the utility model is constructed by the preparation method of following a kind of automobile headlamp LED light source, 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 utility model 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 utility model.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 utility model 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, the utility model determination package support 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 (6)
1. a structure for automobile headlamp LED light source, 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).
2. the structure of automobile headlamp LED light source according to claim 1, 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.
3. the structure of automobile headlamp LED light source according to claim 1, is characterized in that: described insulation sleeve (5) is high temperature resistant organic insulation or ceramic objects.
4. the structure of automobile headlamp LED light source according to claim 1, 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.
5. the structure of automobile headlamp LED light source according to claim 1, 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.
6. the structure of automobile headlamp LED light source according to claim 1, 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.
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CN201520218439.1U CN204513209U (en) | 2015-04-13 | 2015-04-13 | A kind of structure of automobile headlamp LED light source |
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CN201520218439.1U CN204513209U (en) | 2015-04-13 | 2015-04-13 | A kind of structure of automobile headlamp LED light source |
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