CN206469176U - LED vehicle head lamps - Google Patents
LED vehicle head lamps Download PDFInfo
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- CN206469176U CN206469176U CN201720093010.3U CN201720093010U CN206469176U CN 206469176 U CN206469176 U CN 206469176U CN 201720093010 U CN201720093010 U CN 201720093010U CN 206469176 U CN206469176 U CN 206469176U
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Abstract
The utility model discloses a kind of LED vehicle head lamps, including：First substrate and second substrate, the first substrate have an A faces, and the second substrate has B faces and symmetrical and dorsad set with the A faces of first substrate；LED/light source, it includes word order in first LED/light source and the second LED/light source in first substrate A faces, word order is in the 3rd LED/light source and the 4th LED/light source in second substrate B faces, first LED/light source is oppositely arranged with the 3rd LED/light source, and second LED/light source is oppositely arranged with the 4th LED/light source；A pair of filament shields, the B faces in its relative A face and second substrate for being arranged at first substrate respectively, and bowl structure is monolithically fabricated, first LED/light source is located on A faces at the bowl plane of filament shield, and the 3rd LED/light source is located on B faces at the bowl plane of filament shield.The utility model, which has, solves the problem of unintelligible long-and-short distant light "cut-off"line, dazzle.
Description
Technical field
The utility model is related to car light field.More specifically, the utility model is related to a kind of LED vehicle head lamps.
Background technology
Headlamp light source is the key components and parts on vehicle, and is unified standard parts and components.GB15766 national standards, IEC-
60809th, R37 European standards have standard requirement to the specifications and models of product.Existing headlamp uses filament bulb,
Filament bulb has the following disadvantages：1st, filament bulb is because tungsten filament is very carefully, it is necessary to tungsten filament is welded on the support in lamp body, weldering
Connect and easily cause filament damage, when being influenceed by external force, filament is easily deformed, and headlamp belongs to spot light, to luminous point
Physical dimension require it is very high, filament deformation after, the light shape that lamp is sent just generates change, changes optical property；2nd, due to car
The fluctuation of output voltage, tungsten filament is again very thin, is easily broken off, and causes failure；3rd, filament bulb is glass shell, easily broken
It is broken.
Utility model content
A purpose of the present utility model is to solve at least the above, and provides the advantage that at least will be described later.
The utility model also has a purpose to be to provide a kind of LED vehicle head lamps, rationally sets LED/light source and substantially it
Between relative position, long-and-short distant light is overcome the problem of unintelligible "cut-off"line, dazzle.
The utility model also has a purpose to be to provide a kind of LED vehicle head lamps, sets the radiator of specific structure,
After being fixed with lamp socket, integral structure is realized, facilitates the replacing of car light.
In order to realize that there is provided a kind of LED vehicle head lamps, bag according to these purposes of the present utility model and further advantage
Include：
First substrate and second substrate, the first substrate have an A faces, the second substrate have B faces and with the first base
The A faces of plate are symmetrical and dorsad set；
LED/light source, it includes word order in first LED/light source and the second LED/light source in first substrate A faces, word row
It is listed in the 3rd LED/light source and the 4th LED/light source in second substrate B faces, first LED/light source and the 3rd LED/light source phase
To setting, second LED/light source is oppositely arranged with the 4th LED/light source；
A pair of filament shields, the B faces in its relative A face and second substrate for being arranged at first substrate respectively, and be monolithically fabricated
Bowl structure, first LED/light source is located on A faces at the bowl plane of filament shield, and the 3rd LED/light source is located on B faces and matched somebody with somebody
At the bowl plane of optical screen.
Preferably, first LED/light source, the second LED/light source, the 3rd LED/light source and the 4th LED/light source light-emitting area are equal
For long 2~8.5mm, wide 1~4mm rectangle；
The A faces of the first substrate have a rectangle like region, a length of 16mm, a width of 8mm in the rectangle like region,
The length direction of first LED/light source and second LED/light source along the rectangle like region is arranged at intervals at the class
In rectangular region, the spacing of first LED/light source and second LED/light source along its length is 0.5~2.8mm；
The B faces of the second substrate have a rectangle like region, a length of 16mm, a width of 8mm in the rectangle like region,
The length direction of 3rd LED/light source and the 4th LED/light source along the rectangle like region is arranged at intervals at the class
In rectangular region, the spacing of the 3rd LED/light source and the 4th LED/light source along its length is 0.5~2.8mm.
Preferably, the LED/light source is cob light sources.
Preferably, in addition to radiator and driving power supply；
Two faces that the middle part of the radiator is relative offer the first cell body and the second cell body respectively；The radiator
Side is caved inward to form accommodating cavity, and the accommodating cavity is connected with first cell body and the second cell body；The first substrate
It is fixed in first cell body, and the LED/light source on the first substrate protrudes from first cell body；The second substrate
It is fixed in second cell body, and the LED/light source on the second substrate protrudes from second cell body；
LED drive power, it is arranged in the accommodating cavity, and the LED drive power passes through connection terminal and described the
LED/light source connection corresponding to one substrate and second substrate, to be powered to LED/light source.
Preferably, the radiator include positioned at opposite side Part I, its be column structure, the radiator
Middle part is class rectangular parallelepiped structure, and the interior thickness of the radiator is less than the external diameter of the radiator Part I, the radiating
The middle part of device is connected with the Part I of the radiator by concave profile.
Preferably, in addition to lamp socket, it is socketed on the side of the radiator.
Preferably, the radiator by aluminium be made.
Preferably, the length ratio of the middle part length of the radiator and the Part I of the radiator is 2~4:1,
The external diameter ratio of the interior thickness of the radiator and the Part I of the radiator is 1:3~5.
The utility model at least includes following beneficial effect：
1st, the LED vehicle head lamps of the application use integral structure, and radiator and base are metal shells, will not be gone out
The phenomenon of existing similar filament bulb glass breaking, also in the absence of being influenceed luminous point change occur by external force, causes luminous intensity distribution performance
Change, can also bear the fluctuation of vehicle output voltage, the phenomenon for being not in filament breaking and causing lamp to fail.
2nd, the upper beam efficiency of filament bulb is usually 20lm/w or so, and the LED vehicle head lamp light efficiencies of the application
It is usually 100lm/w or so, illumination is the basic load of vehicle electricity consumption, and the LED vehicle head lamps of the application are filament bulb
5 times of upper beam efficiency, significantly reduce vehicle electric loading, improve the performance of vehicle.
3rd, the LED vehicle head lamp long lifespans of the application, after testing, the LED vehicle head lamp life-spans of the application reach
More than 10000 hours, and the upper beam average life span of filament bulb is 500 hours.
4th, because LED/light source is cold light source, very high is required to environment temperature, it is glimmering when LED/light source operating temperature is higher than 60 DEG C
, there is light decay, causes impaired performance in the easy aging of light powder.Therefore, the application radiator, which is adopted, is formed from aluminium, with preferable heat conduction
Property, on the premise of long-and-short distant light illumination is not influenceed, spy is gone out with reference to first substrate, second substrate and LED/light source Position Design
Determine the radiator of structure, can quickly spread the heat produced during LED/light source work, it is ensured that the operating ambient temperature of LED/light source.
5th, LED/light source use cob light sources, using cob packaging technologies, will state the first LED/light source to the 4th LED/light source by
According to scope of the present application encapsulation, for can obtain meet national standard illumination patterns require provide FLAMING DATUM.
6th, lamp socket uses standard universal type, and lamp holder model is P43T, PX43T, BA20D respectively, is led to due to having used
Type lamp socket is used, LED vehicle head lamps enter when vehicle lamp is assembled and replaced and safeguards without structure and lamp part to vehicle
Row is changed.
7th, the distance light of LED vehicle head lamps and dipped beam are required with reference to the position dimension of filament bulb, with reference plane (national standard pair
Reference plane has mark) fixation is adjusted to the position dimension of luminous point, its centre of luminescence is 27 --- 34mm scopes it is a certain
Point, can obtain and meet GB5948-1998 headlamp luminous intensity distribution performance requirements.
Further advantage of the present utility model, target and feature embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the overall structure diagram in LED vehicle head lamps first substrate face of the present utility model；
Fig. 2 is the overall structure diagram in LED vehicle head lamps second substrate face of the present utility model；
Fig. 3 is the overall structure diagram at the LED vehicle head lamps filament shield back side of the present utility model；
Fig. 4 is the first LED/light source and the second LED/light source position on LED vehicle head lamps first substrate of the present utility model
Put distribution schematic diagram；
Fig. 5 is one of structural representation of the utility model filament shield；
Fig. 6 is the two of the structural representation of the utility model filament shield；
Fig. 7 is the overall structure diagram of the utility model figure LED vehicle head lamp filament shield opening surfaces.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
In description of the present utility model, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, is not instruction or the signified device of hint or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
As shown in Fig. 1~7, the utility model provides a kind of LED vehicle head lamps, including：
First substrate 11 and second substrate 12, the first substrate 11 have A faces, the second substrate 12 have B faces and
It is symmetrical and dorsad set with the A faces of first substrate 11；
LED/light source, it includes word order in first LED/light source 21 in the A faces of first substrate 11 and the second LED/light source
22, word order in the 3rd LED/light source 23 and the 4th LED/light source 24 in second substrate 12B faces, first LED/light source 21 with
3rd LED/light source 23 is oppositely arranged, and second LED/light source 22 is oppositely arranged with the 4th LED/light source 24；
A pair of filament shields, the B faces in its relative A face and second substrate 12 for being arranged at first substrate 11 respectively, and it is overall
Bowl structure (as shown in fig. 7, the entirety of a pair of filament shields is in bowl structure) is constituted, first LED/light source 21 is located on A faces
At the bowl plane of filament shield 31, the 3rd LED/light source 23 is located on B faces at the bowl plane of filament shield 32, and preferably first
/ 3rd of LED/light source 21 are in bowl plane, and 2/3rds outside bowl plane.It should be noted that the setting of filament shield according to
Standard requirement and structural principle according to filament bulb set filament shield, can meet the optical property standard of headlamp.
In the above-mentioned technical solutions, the first LED/light source 21 and the 3rd LED/light source 23 combine filament shield as dipped headlight,
Second LED/light source 22 and the 4th LED/light source 24 are used as high beam.
In another technical scheme, first LED/light source 21, the second LED/light source 22, the 3rd LED/light source 23 and
The light-emitting area of four LED/light source 24 is long 2~8.5mm, wide 1~4mm rectangle；
The A faces of the first substrate 11 have a rectangle like region, a length of 16mm in the rectangle like region, a width of
8mm, the length direction of first LED/light source 21 and second LED/light source 22 along the rectangle like region is arranged at intervals
In in the rectangle like region, the spacing of first LED/light source 21 and second LED/light source 22 along its length is
0.5~2.8mm；
The B faces of the second substrate 12 have a rectangle like region, a length of 16mm in the rectangle like region, a width of
8mm, the length direction of the 3rd LED/light source 23 and the 4th LED/light source 24 along the rectangle like region is arranged at intervals
In in the rectangle like region, the spacing of the 3rd LED/light source 23 and the 4th LED/light source 24 along its length is
0.5~2.8mm.
In the above-mentioned technical solutions, by taking the A faces of first substrate 11 as an example, the first LED/light source 21 and the second LED/light source 22 can
It is arranged at any position in rectangle like region, it is only necessary to meet above-mentioned the first LED/light source 21 and the second LED/light source 22 along length
The spacing in degree direction is maintained at 0.5~2.8mm.Above-mentioned zone position relationship is set mainly solving the technical problems that distance light
Light is scattered, the unintelligible "cut-off"line of dipped beam requirement, dazzle the problem of.Before the LED that LED/light source is set according to this region
The one of which embodiment of illuminator has done distance-light performance test, and free from glare problem, distance light light is gathered, and other the results are shown in Table 1.
After one group of data of any of which exceed above-mentioned zone, the performance test results not meeting property preliminary judgement, and dipped beam dead line
Also it is unintelligible, it may appear that glare problem.
In another technical scheme, the LED/light source is cob light sources, and LED/light source uses cob light sources, utilizes cob
Packaging technology, will state the LED/light source 24 of the first LED/light source 21 to the 4th and is encapsulated according to scope of the present application, be that can obtain to meet state
The requirement of target illumination patterns provides FLAMING DATUM.
In another technical scheme, in addition to radiator 4 and driving power supply；
Two faces that the middle part 42 of the radiator 4 is relative offer the first cell body and the second cell body respectively；The radiating
The side 41 of device 4 is caved inward to form accommodating cavity, and the accommodating cavity is connected with first cell body and the second cell body, convenient to drive
Dynamic power supply and the LED/light source being arranged on the first cell body and the second cell body are connected with driving power supply.The first substrate 11 is fixed
First cell body is protruded from the LED/light source in first cell body, and on the first substrate 11；The second substrate 12
It is fixed in second cell body, and the LED/light source on the second substrate 12 protrudes from second cell body；
LED drive power, it is arranged in the accommodating cavity, and the LED drive power passes through connection terminal and described the
LED/light source connection corresponding to one substrate 11 and second substrate 12, to be powered to LED/light source.Specially：LED drive power and
First substrate 11 and the corresponding distance light of second substrate 12, the negative pole of dipped headlight, the public positive pole of distance light, dipped beam pass through connection end
Son conducting.Used LED drive power, and the connection of LED drive power and LED/light source is prior art, herein
Repeat no more.
In the above-mentioned technical solutions, by the transformation to the structure of radiator 4, LED vehicle head lamps are made to realize integral type
Structure, is convenient for changing, and in the face relative with second substrate 12 of first substrate 11 by being fitted with radiator 4, greatly improves
Radiating effect, and first substrate 11 and second substrate 12 are embedded at the first cell body and the second cell body, are influenceed in the absence of by external force
Existing luminous point change, causes the change of luminous intensity distribution performance.
In another technical scheme, as shown in figure 5, the radiator 4 include positioned at opposite side Part I 43, its
For column structure, the middle part of the radiator 4 is class rectangular parallelepiped structure, and the interior thickness of the radiator 4 is less than the radiating
The external diameter of the Part I of device 4, the middle part of the radiator 4 is connected with the Part I of the radiator 4 by concave profile.
In the above-mentioned technical solutions, when being higher than 60 DEG C due to LED operation temperature, there is light decay in the easy aging of fluorescent material, property
It can weaken, the face of radiator 4 can be increased when the Part I of radiator 4 is connected with the middle part of radiator 4 using concave profile
Product, improves radiating effect.
In another technical scheme, in addition to lamp socket 5, it is socketed on the side of the radiator 4.
In the above-mentioned technical solutions, the selection standard of lamp socket 5 is universal, and lamp holder model is P43T, PX43T, BA20D respectively
Deng, lamp socket 5 in the assembling process of LED vehicle head lamps, with reference to the performance requirement of filament bulb, to the position dimension of luminous point
Fixed with the physical dimension adjustment assembly of lamp, during follow-up test, the LED vehicle head lamps of the application meet headlamp
Luminous intensity distribution performance standard.
In another technical scheme, the radiator 4 by aluminium be made.In the above-mentioned technical solutions, the application dissipates
Hot device 4, which is adopted, to be formed from aluminium, with preferable thermal conductivity, with reference to the radiator 4 of specific structure, it is ensured that the building ring of LED/light source
Border temperature is less than 60 DEG C.
In another technical scheme, as shown in fig. 6, the middle part length of the radiator 4 and the first of the radiator 4
Partial length ratio is 2~4:1, the external diameter ratio of the Part I of the interior thickness of the radiator 4 and the radiator 4 is 1:
3~5.In the above-mentioned technical solutions, the length and thickness of Part I within the range when, both ensure that radiator 4 was overall
Size is being adapted in scope, it is to avoid the quality of radiator 4 is too heavy, and the position that the influence later stage installs back light is easily offset, while
Improve radiating effect.
Table 1LED headlamps match somebody with somebody optical tests
The present embodiment dipped beam "cut-off"line state：Dipped beam dead line is clear.
Illumination (unit of the far/dipped beam on photometric screen：Lx)
Note：Accordance preliminary judgement：√ represents to meet；× represent not meeting.
Test basis：GB 5948-1998
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed to use, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (8)
1. a kind of LED vehicle head lamps, it is characterised in that including：
First substrate and second substrate, the first substrate have an A faces, the second substrate have B faces and with first substrate
A faces are symmetrical and dorsad set；
LED/light source, it includes word order in first LED/light source and the second LED/light source in first substrate A faces, word order in
3rd LED/light source and the 4th LED/light source in second substrate B faces, first LED/light source is relative with the 3rd LED/light source to be set
Put, second LED/light source is oppositely arranged with the 4th LED/light source；
A pair of filament shields, the B faces in its relative A face and second substrate for being arranged at first substrate respectively, and be monolithically fabricated bowl-shape
Structure, first LED/light source is located on A faces at the bowl plane of filament shield, and the 3rd LED/light source is located at filament shield on B faces
Bowl plane at.
2. LED vehicle head lamps as claimed in claim 1, it is characterised in that first LED/light source, the second LED/light source,
3rd LED/light source and the 4th LED/light source light-emitting area are long 2~8.5mm, wide 1~4mm rectangle；
The A faces of the first substrate have rectangle like region, and a length of 16mm, a width of 8mm in the rectangle like region are described
It is rectangular that the length direction of first LED/light source and second LED/light source along the rectangle like region is arranged at intervals at the class
In shape region, the spacing of first LED/light source and second LED/light source along its length is 0.5~2.8mm；
The B faces of the second substrate have rectangle like region, and a length of 16mm, a width of 8mm in the rectangle like region are described
It is rectangular that the length direction of 3rd LED/light source and the 4th LED/light source along the rectangle like region is arranged at intervals at the class
In shape region, the spacing of the 3rd LED/light source and the 4th LED/light source along its length is 0.5~2.8mm.
3. LED vehicle head lamps as claimed in claim 2, it is characterised in that the LED/light source is cob light sources.
4. LED vehicle head lamps as claimed in claim 2, it is characterised in that also including radiator and driving power supply；
Two faces that the middle part of the radiator is relative offer the first cell body and the second cell body respectively；The side of the radiator
Cave inward to form accommodating cavity, the accommodating cavity is connected with first cell body and the second cell body；The first substrate is fixed
First cell body is protruded from the LED/light source in first cell body, and on the first substrate；The second substrate is fixed
Second cell body is protruded from the LED/light source in second cell body, and on the second substrate；
LED drive power, it is arranged in the accommodating cavity, and the LED drive power passes through connection terminal and first base
LED/light source connection corresponding to plate and second substrate, to be powered to LED/light source.
5. LED vehicle head lamps as claimed in claim 4, it is characterised in that the radiator includes the positioned at opposite side
A part, its be column structure, the middle part of the radiator is class rectangular parallelepiped structure, and the interior thickness of the radiator is less than institute
The external diameter of radiator Part I is stated, the middle part of the radiator and the Part I of the radiator are held in the mouth by concave profile
Connect.
6. LED vehicle head lamps as claimed in claim 4, it is characterised in that also including lamp socket, it is socketed on the radiator
Side.
7. LED vehicle head lamps as claimed in claim 4, it is characterised in that the radiator by aluminium be made.
8. LED vehicle head lamps as claimed in claim 5, it is characterised in that the middle part length of the radiator dissipates with described
The length ratio of the Part I of hot device is 2~4:1, the interior thickness of the radiator is outer with the Part I of the radiator
Footpath ratio is 1:3~5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093010.3U CN206469176U (en) | 2017-01-26 | 2017-01-26 | LED vehicle head lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720093010.3U CN206469176U (en) | 2017-01-26 | 2017-01-26 | LED vehicle head lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206469176U true CN206469176U (en) | 2017-09-05 |
Family
ID=59703939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720093010.3U Active CN206469176U (en) | 2017-01-26 | 2017-01-26 | LED vehicle head lamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206469176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871039A (en) * | 2017-01-26 | 2017-06-20 | 松滋市飞欧电器照明有限公司 | LED vehicle head lamps |
-
2017
- 2017-01-26 CN CN201720093010.3U patent/CN206469176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871039A (en) * | 2017-01-26 | 2017-06-20 | 松滋市飞欧电器照明有限公司 | LED vehicle head lamps |
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