CN106838771A - A kind of automotive LED headlamp - Google Patents
A kind of automotive LED headlamp Download PDFInfo
- Publication number
- CN106838771A CN106838771A CN201710213927.7A CN201710213927A CN106838771A CN 106838771 A CN106838771 A CN 106838771A CN 201710213927 A CN201710213927 A CN 201710213927A CN 106838771 A CN106838771 A CN 106838771A
- Authority
- CN
- China
- Prior art keywords
- substrate
- housing
- reflector
- automotive
- led module
- Prior art date
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/49—Attachment of the cooling means
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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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 present invention discloses a kind of automotive LED headlamp, for solving the problems, such as automotive LED headlamp light distribution and radiating.The automotive LED headlamp includes housing, LED module；Reflector, for reflecting the light that the LED module sends, the reflector is connected with the housing fastener and forms the cooling die cavity for storing coolant；Substrate, the LED module laminating is installed on the substrate, and the substrate is provided with middle cavity, and the middle cavity is connected with the cooling die cavity；And fin, the fin is arranged at the housing, for giving housing radiating.The automotive LED headlamp light distribution is good and good heat dissipation effect.
Description
Technical field
The present invention relates to auto lamp field, and in particular to a kind of automotive LED headlamp.
Background technology
Automotive lighting needs to meet some requirements, and auto lamp is to be arranged on various on automobile to ensure safe driving
Traffic lights, car headlamp is divided to illuminating lamp and the class of signal lamp two.
Car headlamp is a kind of auto lamp, also referred to as headlight for vehicles, as the eyes of automobile, is not only related to a car owner
External image, be more closely connected with the safe driving under the conditions of driving at night or bad weather.The main application of car headlamp
It is the road and object before mobilite, it is ensured that traffic safety.Can also be overtaken other vehicles letter by the use of distance light, dipped beam checker as night
Number.Headlamp is arranged on the both sides of automobile head, and each car fills 2 or 4.Bulb power is 45~60W of high beam, dipped headlight
25~55W.Aforementioned automotive headlamp of the prior art does not have trap for automobile to illuminate required light distribution, and radiating there is also asks
Topic, and quasi- LED automobile illumination lamp technology is immature.
The content of the invention
In view of this, in order to solve the problems, such as vehicle front lighting intensity of illumination distribution and radiating in the prior art, the present invention is provided
A kind of automotive LED headlamp, the LED module that the light distribution of the automotive LED headlamp is used is jointly mounted on substrate, and is passed through
Reflector forms illumination light, and the cooling die cavity of dress coolant is surrounded between reflector and housing, and the coolant can give the LED
Module heat dissipating, substrate is provided with middle cavity, and middle cavity is connected with cooling die cavity, and cavity is used to give substrate radiating in this, so that indirectly
Give LED module radiating.
It is below present disclosure：
The present invention provides a kind of automotive LED headlamp, including：
Housing；
LED module；
Reflector, for reflecting the light that the LED module sends, the reflector is connected and encloses with the housing fastener
Into the cooling die cavity for storing coolant；
Substrate, the LED module laminating is installed on the substrate, and the substrate is provided with middle cavity, the middle cavity and institute
State cooling die cavity connection；And
Fin, the fin is arranged at the housing, for giving housing radiating.
The automotive LED headlamp is using LED module as light emitting source, the luminous intensity required for meeting illumination, while can
To play a part of energy-conservation, and LED module laminating is installed on substrate, and substrate is provided with middle cavity, is set between reflector and housing
There is cooling type die cavity, wherein coolant can be filled, the cooling die cavity is connected with the middle cavity of substrate, consequently, it is possible to LED module
Can be radiated by the coolant in middle cavity and cooling die cavity, good heat dissipation effect.Meanwhile, fin is provided with housing,
The fin further increases the radiating effect of LED module.The automotive LED headlamp solves light source and the balance of radiating is asked
Topic, can be used as a kind of automotive LED headlamp of standard.
Further, the housing outer rim is provided with the air vent arranged in a ring.The air vent is used for heat transmission, works as automobile
During in the state of enforcement, the air vent has convection current, and the convection current accelerates the radiating of fin and housing, substantially improves this
The radiating effect of automotive LED headlamp.
Further, the substrate is provided with temperature measuring equipment.The temperature measuring equipment coordinates to LED module with Adapter control circuit
Play overheat protector.Specially：When the temperature of temperature measuring equipment sensing will exceed LED module safe working temperature, lead to
The power of the adjustable LED module of control circuit crossed in power supply adaptor, such as uses 1/2 luminescence chip, reduces the heating of thermal source
Amount, plays a part of overheat protector, therefore, the temperature measuring equipment can ensure that the automotive LED headlamp is long in acceptable temperature range
Phase reliablely and stablely works, so as to ensure the safety of running car.
Further, the reflector and the substrate are metal and are made.On the one hand, metal reflective bowl can ensure anti-
The need for penetrating light, it can be made of aluminium, copper etc., and its reflective surface can be made into minute surface；On the other hand, metal reflective bowl is scattered
Thermal effect is good.The substrate uses metal, its heat conduction and good heat dissipation effect.Meanwhile, substrate and reflector can be welded.
Further, housing is provided with connecting portion.The connecting portion is used to install connection use, and the connecting portion is that one kind installs knot
Structure, its function be in order to this luminescence unit is assembled into vehicle lamp assembly, and can upper and lower, left and right adjust light position.
The connecting portion can be the otic placode of any shape and different rigging positions.
Further, the substrate is provided with the hollow pipe for installing electric wire.Electric wire needed for LED module and temperature measuring equipment
By the substrate through the outside of housing, for connecting adapter, the hollow pipe is used to install electric wire, while which ensure that housing
With the good airproof performance of the cooling die cavity of the formation of reflector.
Further, the reflector outer rim is circumferentially installed with the LED signal lamp arranged in a ring.The LED signal lamp can
It is LED lamp bead or LED.
Further, the reflector is divided into Part I and Part II, the Part I and the Part II
Surface be many curved surfaces.LED module is arranged on the both sides of substrate, wherein Part I, for example, can be upper part, for anti-
Dipped beam LED module is penetrated, the light source of dipped beam can be formed.Wherein Part II, for example, can be lower part, for reflecting distance light LED moulds
Block, can form the light source of distance light.
Further, the fin is spirality.The spiral fin increased effective radiating surface of fin
Product, radiating effect is more preferable.
Further, the substrate both sides are provided with the LED module.For example, can be respectively provided with closely in substrate both sides
Light LED module and distance light LED module.For example, setting light modulation baffle plate on dipped beam LED module, it coordinates with reflector can form
The dead line of light and shade.
Compared with prior art, beneficial effect of the invention is：The automotive LED headlamp is concentrated use in polylith LED
Module carries out standard light type design as light emitting source, and the LED module can be high-power, and luminous intensity is big.At the same time, its heating
Amount is big and heat is concentrated very much, therefore the automotive LED headlamp organic assembling has used four kinds of radiating modes simultaneously：LED module
It is jointly mounted to carry out heat transfer on metal substrate；Substrate is provided with middle cavity；Filling cooling is provided with reflector and housing
The cooling die cavity of liquid, cavity is connected with cooling die cavity in this, produces liquid thermal convection current；Fin is provided with housing, is carried out
Heat radiation；And air vent wind-guiding to housing fins carry out forced air cooling.Therefore by radiating and the comprehensive Design of light distribution, make
The automotive LED headlamp can be as a kind of auto lamp of standard：Luminous strong, photometric standards, good heat dissipation, installation.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below by to be used needed for implementation method
Accompanying drawing is briefly described, it will be appreciated that the following drawings illustrate only some implementation methods of the invention or embodiment, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of cross section structure diagram of automotive LED headlamp.
Fig. 2 shows the partial enlargement structural representation at A in Fig. 1.
Fig. 3 shows the partial enlargement structural representation at B in Fig. 1.
Fig. 4 shows the first viewing angle constructions schematic diagram of automotive LED headlamp.
Fig. 5 shows the structural representation at the second visual angle of automotive LED headlamp.
Fig. 6 shows the structural representation at the 3rd visual angle of automotive LED headlamp.
Fig. 7 shows a kind of the 4th kind of structural representation at visual angle of automotive LED headlamp.
Fig. 8 shows the 4th kind of another structural representation at visual angle of automotive LED headlamp.
Main Reference label declaration：
100-LED car headlamps；
101- housings；1011- air vents；1012- connecting portions；102-LED modules；1021- temperature measuring equipments；10211- is hollow
Pipe；103- reflectors；1031-LED lamp beads；104- cools down die cavity；105- substrates；Cavity in 106-；107- fin；108- is adjusted
Baffle plate；The sealing rings of 109- first；The sealing rings of 110- second；111- panels；112- liquid injection ports.
Specific embodiment
For the ease of understanding the present invention, automotive LED headlamp is described more fully below with reference to relevant drawings.
Accompanying drawing gives the embodiment of automotive LED headlamp, but, automotive LED headlamp can be realized in different forms, not
It is limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made in the disclosure to automotive LED headlamp
Hold more thorough comprehensive.
In the description of the invention, it is to be understood that term " on ", D score, " left side " " right side ", "front", "rear", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outward " are based on orientation shown in the drawings or position
Relation is put, the description present invention is for only for ease of and is simplified description, it is necessary rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or feature that the embodiment or example are described
It is contained at least one embodiment of the invention or example.In this manual, the schematic representation to above-mentioned term differs
Surely identical embodiment or example are referred to.And, the specific features of description, structure, material or feature can be any
Combined in an appropriate manner in one or more embodiments or example.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the description of the invention, unless otherwise prescribed with limit, it is necessary to explanation, term " installation ", " connected ",
" connection ", " connection ", " connection " should be interpreted broadly, for example, it may be mechanical attachment or electrical connection, or two elements
Internal connection, can be joined directly together, it is also possible to be indirectly connected to by intermediary, for one of ordinary skill in the art
For, can as the case may be understand the concrete meaning of above-mentioned term.
As shown in figures 1-4, automotive LED headlamp of the invention 100 includes：
Housing 101；
LED module 102；
Reflector 103, for reflecting the light that the LED module 102 sends, the reflector 103 is tight with the housing 101
Firmware is connected and forms the cooling die cavity 104 for storing coolant；
Substrate 105, the laminating of the LED module 102 is installed on the substrate 105, and the substrate 105 is provided with middle cavity 106,
The middle cavity 106 is connected with the cooling die cavity 104；And
Fin 107, the fin 107 shapes or fits the housing 101, for being radiated to housing 101.
The automotive LED headlamp 100, as light emitting source, can select high-power LED module 102 using LED module 102,
Luminous intensity required for illumination being met, while energy-conservation can be played a part of, and the laminating of LED module 102 is installed on substrate
105, substrate 105 is provided with middle cavity 106, cooling die cavity 104 is provided between reflector 103 and housing 101, wherein can fill
Coolant, the cooling die cavity 104 is connected with the middle cavity 106 of substrate 105, consequently, it is possible to LED module 102 can be by middle cavity
106 and cooling die cavity 104 in coolant radiating, good heat dissipation effect.Meanwhile, fin 107 is provided with housing 101,
The fin 107 further increases the radiating effect of LED module 102.
Above-mentioned housing 101 is the shell of the automotive LED headlamp 100, and the housing 101 can be any shape, not limit
In circle, rectangle etc. of rule, can be according to the housing 101 that different shapes are designed the need for specifically, the housing 101 and reflective
Bowl 103 forms cooling die cavities 104, need to ensure that sealing between the housing 101 and reflector 103 is good, can be using conventional
Seal strengthens sealing effectiveness.
Above-mentioned LED module 102 is the light emitting source of the automotive LED headlamp 100, and the LED module 102 includes LED and lights
Chip and correspondingly integrated circuit, the LED module 102 are different from general low power LED chip, and it can provide abundance
Illumination, the LED module 102 need connect electric wire, the rear portion of housing 101 that it can be worn by substrate 105 in order to power adaptation
Device is connected.
Above-mentioned reflector 103 is for reflected light and plays a part of focusing light, and the reflector 103 is connected with housing 101
And form the cooling die cavity 104 of injection coolant.The reflector 103 is provided with reflecting surface.
Aforesaid substrate 105 be used for fix LED module 102, the substrate 105 is provided with middle cavity 106, in this cavity 106 with it is cold
But die cavity 104 is connected.The laminating of LED module 102 is installed on substrate 105.
Above-mentioned fin 107 is shaped or is jointly mounted on housing 101, and the fin 107 is fin, for housing
101 radiatings, the fin 107 can be made of the good heat sink material of radiating effect.
In addition, the automotive LED headlamp 100 also includes panel 111, adapter etc..Panel 111 is transparent face
Shell, it is arranged on before reflector 103, and the panel 111 is fastened togather with reflector 103 by way of clamping, for example
Can be relatively reliable in order to ensure the engaging by concave-convex opening installation by adhering, it is also possible to further connected using being glued.Adapter
For connecting power supply to LED module 102.
Embodiment 1
In the present embodiment, detailed illustration will be carried out to LED module 102, substrate 105.
The LED module 102 is exactly that LED (light emitting diode) is encapsulated again together as necessarily regularly arranged, is added
The product of some water-proofing treatments composition, that is, LED modules.LED module 102 in of the invention include LED luminescence chips and
Corresponding integrated circuit, the LED module 102 laminating is installed on substrate 105.
Specifically, as shown in Figure 5, Figure 6, LED module 102 is arranged on the both sides of substrate 105, and survey is provided with substrate 105
Warm device 1021.The temperature measuring equipment 1021 can in real time sense the temperature of LED module 102, play a part of overheat protector.
In order to reach the requirement that automotive LED headlamp 100 is used dipped beam and distance light, the both sides of substrate can be set LED
Module 102, and realize distance-light checker function with power adapter circuit cooperation.In order to reach dipped beam standard light type,
As shown in fig. 6, two groups of LED modules 102 can be set in the homonymy of substrate 105.
Substrate 105 in the present invention plays a part of fixed LED module 102, and it can fit with LED module 102 and install,
So, substrate 105 is exactly removably to be connected to reflector 103 and LED module 102.It is easily understood that the substrate
During 105 use metal, can be welded with reflector, as shown in figure 5, for a kind of plan structure of the automotive LED headlamp 100 is shown
It is intended to, LED module 102 and its temperature measuring equipment 1021 is provided with substrate 105.It should be noted that in order to ensure LED module
Electric wire needed for 102 can connect to the adapter behind housing 101, and hollow pipe 10211 can be set, and the hollow pipe 10211 is passed through
Sequentially pass through housing 101, reflector 103 and be deep into substrate 105, the one end of hollow pipe 10211 protrudes from housing 101, separately
One end is deep on substrate 105, and the LED module 102 and temperature measuring equipment 1021 on such substrate 105 can just lead to electric wire
Outside housing 101, connected in order to power supply adaptor.
Substrate 105 in the present invention is provided with temperature measuring equipment 1021, and the temperature measuring equipment 1021 senses LED module 102 in real time
Temperature, and overheat protector effect is reached with Adapter control circuit cooperation, when temperature measuring equipment 1021 senses temperature beyond LED moulds
During 102 normal range of operation of block, the part LED chip closed in LED module 102 by the control circuit in adapter is lighted,
Reduction power is played, the purpose of caloric value is reduced.Specifically, the temperature measuring equipment 1021 is provided with integrated form lead-out wire through hollow pipe
10211 draw in outside housing 101, are connected with the temperature control circuit of adapter.
Aforesaid substrate 105 is provided with the hollow pipe 10211 for installing electric wire, for electric wire to be kept into cooling die cavity air-tight state
Under lead to power supply adaptor.
Substrate of the invention 105 is provided with light modulation baffle plate 108, for cooperatively forming dipped beam "cut-off"line with reflector 103.
Embodiment 2
In the present embodiment, detailed illustration will be carried out to reflector 103, housing 101.
Reflector 103 in of the invention is used to reflect and focus on light.The reflector 103 is connected and shape with housing 101
Into cooling die cavity 104, the connection between reflector 103 and housing 101 is that one kind is tightly connected, specifically, reflector 103 and shell
The edge part of body 101 is tightly connected, and this being tightly connected can be connected by the first sealing ring 109.
The edge of reflector 103 in the present invention is circumferentially with LED lamp bead 1031, and the LED lamp bead 1031 is used as signal lamp.
The LED lamp bead 1031 can radiate by reflector 103 and cooling die cavity 104, reach the design effect killed two birds with one stone.
It should be noted that can be fastener connection between reflector 103 and housing 101, mode connects for screw can be such as used,
Can also be by the way of being glued.In a particular embodiment, the edge of housing 101 and the edge of reflector 103 are set first
Sealing ring 109 is simultaneously linked together by way of being glued.
Reflector of the invention 103 is made of metal, and can such as use aluminium, copper, metal reflective bowl to ensure reflection
The need for light, it can be made of aluminium, copper etc., and its reflective surface can be made into minute surface；On the other hand, the radiating of metal reflective bowl
Effect is good.
It should be noted that when the both sides of substrate 105 are provided with LED module 102,103 points of reflector is Part I
And Part II.Now, the surface of the Part I and the Part II is many curved surfaces.Wherein Part I, for example,
Can be upper part, for installing dipped beam LED module, the light source of dipped beam can be formed.Wherein Part II, for example, can be lower part,
For installing distance light LED module, the light source of distance light can be formed.
Above-mentioned first sealing ring 109 is a kind of sealing ring of the prior art, and first sealing ring 109 is used to prevent cooling
The leakage of coolant in die cavity 104.First sealing ring 109 can be designed according to the shape of housing 101 and reflector 103, such as
When reflector 103 and housing 101 are circular edge, first sealing ring 109 can be O-ring seal, and this is first close
The section of seal 109 can be rectangle or circle etc..
It should be noted that being provided with the liquid injection port 112 for injecting coolant on housing 101, in just dress, can pass through
To coolant is added in cooling die cavity 104, the liquid injection port 112 can be used for changing coolant liquid injection port 112.The liquid injection port
112 are provided with switch, and the switch is used to open and close liquid injection port 112, in order to ensure that the switch connects with the sealing of liquid injection port 112
Connect, the second sealing ring can be set between switch and liquid injection port 112.
Embodiment 3
In the present embodiment, detailed illustration will be carried out to fin 107, air vent 1011, connecting portion 1012.
As Figure 1 and Figure 4, the fin 107 on housing 101 is used to be radiated to the automotive LED headlamp 100, the radiating
Piece 107 is mainly outwards radiated using the mode of heat radiation.Therefore the shape and material of the fin 107 are for the fin
107 radiating effect has significant impact.
Specifically, the fin 107 can be multiple fins, and fin can play good radiating effect.The fin 107
May be configured as spiral fin.Spiral fin improves the area of dissipation of fin, and radiating effect is good.Fin 107
It is the fin-like thermal component made of thin material.Fin 107 is absorbed after heat, with the form of convection current by heat produced
Fall, area of dissipation is mainly determined that surface area is bigger by the size of the surface area of fin 107 during heat loss through convection,
Radiating effect is better；Surface area is smaller, and radiating effect is poorer.In the heat abstractor of application fin, the means for generally using
Mainly include：Increase the quantity of radiating fin, increasing by two kinds of the length of radiating fin, its data for embodying is exactly " thick height
Than ", i.e. the ratio of fin thickness and height, closeer, the quantity that the smaller fin for meaning unit volume of this value can just be cooked
More, the surface area of effectively radiating is bigger, and heat dispersion is also better.
Above-mentioned fin 107 can be using the good heat sink material of radiating effect.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the edge of housing of the invention 101 is provided with air vent 1011, is radiated for improving
The radiating effect of piece 107.Specifically, when there is wind to pass through air vent 1011, the thermal convection current on the surface of fin 107 can be accelerated, from
And play good radiating effect.When automobile is in enforcement state, the air vent 1011 has convection current, and the convection current accelerates radiating
The radiating of piece 107 and housing 101, substantially improves the radiating effect of the automotive LED headlamp 100.
As shown in Figure 7, Figure 8, connecting portion 1012 can be the otic placode of any shape and different rigging positions.The connecting portion 1012
Used for installing connection, the connecting portion 1012 is a kind of mounting structure, its function is in order to by 100 groups of this automotive LED headlamp
Be attached in vehicle lamp assembly, and can upper and lower, left and right adjust light position.The connecting portion 1012 can be the ear of any shape
Plate.
Preferably, the otic placode also has indicative function, for example, in fig. 8, upper button point descends button obtuse into arrow shaped, it is intended that
Upper and lower installation site is indicated in case reverse
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of the claims
It is accurate.
Claims (10)
1. a kind of automotive LED headlamp, including housing, it is characterised in that also include：
LED module；
Reflector, for reflecting the light that the LED module sends, the reflector is connected and surrounds for storing with the housing
The cooling die cavity of coolant；
Substrate, the LED module is installed on the substrate, and the substrate is provided with middle cavity, the middle cavity and the cooling type
Chamber connects；And
Fin, the fin is arranged at the housing, for giving housing radiating.
2. automotive LED headlamp as claimed in claim 1, it is characterised in that the housing outer rim is provided with what is arranged in a ring
Air vent.
3. automotive LED headlamp as claimed in claim 1, it is characterised in that the substrate is provided with temperature measuring equipment.
4. automotive LED headlamp as claimed in claim 1, it is characterised in that the reflector and the substrate are metal
It is made.
5. automotive LED headlamp as claimed in claim 1, it is characterised in that the housing is provided with connecting portion.
6. automotive LED headlamp as claimed in claim 1, it is characterised in that the substrate is provided with the sky for installing electric wire
Heart pipe.
7. automotive LED headlamp as claimed in claim 1, it is characterised in that the reflector outer circumference is installed with a ring
The LED signal lamp of arrangement.
8. automotive LED headlamp as claimed in claim 1, it is characterised in that the reflector is divided into Part I and second
The surface of part, the Part I and Part II is many curved surfaces.
9. automotive LED headlamp as claimed in claim 1, it is characterised in that the fin is spirality.
10. automotive LED headlamp as claimed in claim 1, it is characterised in that the substrate both sides are provided with the LED
Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213927.7A CN106838771A (en) | 2017-04-01 | 2017-04-01 | A kind of automotive LED headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213927.7A CN106838771A (en) | 2017-04-01 | 2017-04-01 | A kind of automotive LED headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838771A true CN106838771A (en) | 2017-06-13 |
Family
ID=59142336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710213927.7A Pending CN106838771A (en) | 2017-04-01 | 2017-04-01 | A kind of automotive LED headlamp |
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| Country | Link |
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| CN (1) | CN106838771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613109A (en) * | 2018-06-01 | 2018-10-02 | 广东晶科电子股份有限公司 | A kind of headlamp and its module |
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| CN108613109B (en) * | 2018-06-01 | 2024-03-15 | 广东晶科电子股份有限公司 | Head lamp and module thereof |
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