CN207146269U - A kind of special heat conducting pipe of LED front headlight of motor vehicle - Google Patents
A kind of special heat conducting pipe of LED front headlight of motor vehicle Download PDFInfo
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- CN207146269U CN207146269U CN201720869493.1U CN201720869493U CN207146269U CN 207146269 U CN207146269 U CN 207146269U CN 201720869493 U CN201720869493 U CN 201720869493U CN 207146269 U CN207146269 U CN 207146269U
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Abstract
The utility model discloses a kind of special heat conducting pipe of LED front headlight of motor vehicle, including shell, shell is provided with evaporator section, adiabatic section and condensation segment, evaporation cavity is provided with evaporator section, insulation chambers are provided with adiabatic section, condensation chamber is provided with condensation segment, evaporation cavity, insulation chambers and condensation chamber are in fluid communication successively, and evaporation cavity, insulation chambers and condensation chamber are vacuum chamber and fill condensate liquid；Evaporator section is equipped with light source slot in both sides up and down；Is provided with the first wick layer in evaporation cavity, i.e. the first wick layer be located at light source slot underface, and the thickness of the first wick layer is 0~0.5mm, and the thickness between the light source groove bottom wall of the upper and lower both sides of evaporator section is 0.5~1.5mm.In the utility model, can solve the shortcomings that LED light source is directly against mounted in " heat pipe " both side surface, causing the projection light light type of automobile front bad, can also solve the problems, such as using metal conduction cooling but radiating efficiency it is low.
Description
Technical field
Heat conduction technical field is the utility model is related to, more particularly to a kind of special heat conducting pipe of LED front headlight of motor vehicle.
Background technology
Auto lamp is one of important component for ensureing automotive safety operation.LED automobile headlight is exactly to configure LED light source
A kind of auto lamp, compared with traditional auto lamp, there is long lifespan, energy-conservation, respond fast, small volume, it has also become be domestic
The outer focus for falling over each other exploitation.
Since the G.M.Grver utility models " heat pipe " of LosAlamos National Laboratories of the U.S. in 1963, until near several
Year LED automobile headlight just introduces " heat pipe " technology and is used as radiating subassembly gradually, and heat pipe manufacturing technology is ripe already and generally.It is logical
LED light source can be often mounted in the both sides of " heat pipe ", but LED light source is directly mounted on " heat pipe " both side surface, and both sides table
Thickness between face can spread for the light that more than 2.5mm causes LED light source to send to surrounding, that is, cause the projection of automobile front
The shortcomings that light type of light is bad.Also can solve to cool using metal conduction but can not effectively discharge heat, radiating efficiency is very
The problem of low.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of LED front headlight of motor vehicle special
With heat conducting pipe, it can solve LED light source directly against mounted in " heat pipe " both side surface, and the thickness between both side surface is 2.5mm
The shortcomings that causing the light type of the projection light of automobile front bad above.Also can solve using metal conduction cooling but radiating efficiency
The problem of low.
The purpose of this utility model is realized using following technical scheme：
A kind of special heat conducting pipe of LED front headlight of motor vehicle, including shell, shell are provided with evaporator section, adiabatic section and condensation segment,
Evaporation cavity is provided with evaporator section, insulation chambers are provided with adiabatic section, condensation chamber, evaporation cavity, insulation chambers and condensation are provided with condensation segment
Chamber is in fluid communication successively, and evaporation cavity, insulation chambers and condensation chamber are vacuum chamber and fill condensate liquid；
Evaporator section is equipped with light source slot in both sides up and down；
The first wick layer is provided with evaporation cavity, the position of the first wick layer is corresponding with light source slot, i.e. the first capillary
Sandwich layer is located at immediately below light source slot, and the thickness of the first wick layer be 0~0.5mm, the light source groove bottom wall of the upper and lower both sides of evaporator section
Between thickness be [0.5~1.5] mm.
Preferably, the second wick layer is additionally provided with evaporation cavity, the thickness of the second wick layer is 0.3~0.6mm；
The 3rd wick layer is additionally provided with insulation chambers, the thickness of the 3rd wick layer is 0.3~0.6mm；
The 4th wick layer is additionally provided with condensation chamber, the thickness of the 4th wick layer is 0.3~0.6mm.
Preferably, light source slot is arranged on above and below evaporator section at the center of both sides.
Preferably, the shell wall thickness of adiabatic section and condensation segment is 0.2~0.5mm.
Preferably, the circular in cross-section of insulation chambers, ellipse, square, pancake or polygon, the cross section of condensation chamber
Rounded, oval, square, pancake or polygon.
Preferably, evaporator section, adiabatic section and condensation segment are formed in one structure；
Or it is fixed together between evaporator section, adiabatic section and condensation segment by way of welding；
Or shell includes the first laminated structure and the second laminated structure, the first laminated structure and the second laminated structure it
Between be fixed together by welding, so as to form evaporator section, adiabatic section and condensation segment.
Preferably, in addition to light source, light source are arranged on light source slot.
Compared with prior art, the beneficial effects of the utility model are：Due to forming evaporation cavity, adiabatic section in evaporator section
Insulation chambers are inside formed, condensation chamber is formed in condensation segment, evaporation cavity, insulation chambers and condensation chamber are vacuum chamber and filled cold
Lime set, and evaporate both sides up and down and form light source slot, the first wick layer, the first wick layer are formed in evaporation cavity
Position it is corresponding with light source slot, i.e. the first wick layer is located at immediately below light source slot, wherein the thickness of the first wick layer is 0
~0.5mm, evaporator section up and down both sides light source groove bottom wall between thickness be 0.5~1.5mm, light source is arranged on light source slot
It is interior.Front headlight of motor vehicle in the course of the work, the outside projection light of light source in light source slot, because light source is arranged on light source
In groove (now, evaporator section passes through punching press so that the thickness above and below evaporator section between the light source groove bottom wall of both sides is 0.8mm), this
When, the light that light source outwards projects relative can be gathered together, and form good light type, and in the process of the outside projection light of light source
In, the coolant of the first wick layer is flashed to steam and run through insulation chambers by thermal source caused by light source reaches condensation chamber again
Thermal source is arranged outwardly by the cooling mechanism on condensation segment periphery, and the steam of condensation chamber is turned condensate liquid and the entrance of liquid phase by gas phase
4th wick layer, then the first wick layer back is passed condensate liquid with capillary force effect, go round and begin again and effectively take away light source production
Raw temperature improves radiating efficiency.The utility model can solve LED light source directly against mounted in " heat pipe " both side surface, and both sides table
The shortcomings that thickness between face causes the light type of the projection light of automobile front bad for more than 2.5mm.Also can solve using gold
The problem of category conduction cooling but low radiating efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the special heat conducting pipe of the utility model LED front headlight of motor vehicle；
Fig. 2 is the structural representation of another angle of the special heat conducting pipes of LED front headlight of motor vehicle shown in Fig. 1；
Fig. 3 is the cross section structure diagram in A-A directions shown in Fig. 2；
Fig. 4 is the structural representation of the another embodiment of the special heat conducting pipe of the utility model LED front headlight of motor vehicle；
Fig. 5 is the structural representation of another angle of the special heat conducting pipe of LED front headlight of motor vehicle shown in Fig. 4；
Fig. 6 is the structural representation of the third embodiment of the special heat conducting pipe of the utility model LED front headlight of motor vehicle；
Fig. 7 is the structural representation of another angle of the special heat conducting pipe of LED front headlight of motor vehicle shown in 6；
Fig. 8 is the structural representation of the 4th kind of embodiment of the special heat conducting pipe of the utility model LED front headlight of motor vehicle；
Fig. 9 is the structural representation of another angle of the special heat conducting pipe of LED front headlight of motor vehicle shown in 8；
Figure 10 is the structural representation of the 5th kind of embodiment of the special heat conducting pipe of the utility model LED front headlight of motor vehicle
Figure；
Figure 11 is the structural representation of another angle of the special heat conducting pipe of LED front headlight of motor vehicle shown in 10.
In figure：11st, evaporator section；111st, light source slot；12nd, adiabatic section；13rd, condensation segment.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
Refer to Fig. 1-Figure 11, the utility model is related to a kind of special heat conducting pipe of LED front headlight of motor vehicle, including shell and
Light source, the shell are provided with evaporator section 11, adiabatic section 12 and condensation segment 13.
Evaporator section 11 is the tubular structure of flat, and light source slot is formed at the center of both sides about 11 in evaporator section
111 (light source slot 111 is rectangle), and evaporation cavity is formed in evaporator section 11, the first capillary wick is formed in evaporation cavity
Layer and the second wick layer, wherein, the thickness of the first wick layer is 0.1mm, and the thickness of the second wick layer is 0.5mm.
In the present embodiment, the thickness of the first wick layer is 0.1mm.In other embodiments, the thickness of the first wick layer
Degree can be changed according to actual conditions, such as the thickness of the first wick layer can be 0mm, 0.2mm, 0.3mm, 0.4mm
Or 0.5mm, as long as the thickness for ensureing the first wick layer is 0~0.5mm.
In the present embodiment, the thickness of the second wick layer is 0.5mm.In other embodiments, the thickness of the second wick layer
Degree can be changed according to actual conditions, such as the thickness of the second wick layer can be 0.3mm, 0.4mm or 0.6mm,
The thickness for ensureing the second wick layer is 0.3~0.6mm.
In addition, the position of the first wick layer is corresponding with light source slot 111, i.e., described first wick layer is located at light source slot
Immediately below 111, and the thickness between the bottom wall of light source slot 111 of evaporator section both sides about 11 is 0.8mm, in addition evaporator section 11 its
Shell wall thickness between the first wick layer and the bottom wall of light source slot 111 of middle side is 0.3mm.Light source is arranged on light source slot
In 111, when the special heat conducting pipe of LED front headlight of motor vehicle carries out energization work, the light that light source outwards projects relative can converge in
Together, good light type is formed, and during the outside projection light of light source, heat caused by light source passes through the first capillary wick
Shell and the first wick layer between layer and the bottom wall of light source slot 111, can preferably be arranged outwardly.
In the present embodiment, the thickness between the bottom wall of light source slot 111 of evaporator section both sides about 11 is 0.8mm.In other realities
To apply in example, the thickness between the bottom wall of light source slot 111 of evaporator section both sides about 11 can be changed according to actual conditions, such as
Thickness between the bottom wall of light source slot 111 of evaporator section both sides about 11 can be 0.5mm, 0.9mm, 1.1mm, 1.3mm or
1.5mm, as long as the thickness between the bottom wall of light source slot 111 of guarantee evaporator section both sides about 11 is 0.5~1.5mm.
The cross section of insulation chambers is square, and insulation chambers are formed in adiabatic section 12, the 3rd mao is also formed in insulation chambers
Thin sandwich layer, the thickness of the 3rd wick layer are 0.5mm, and the shell wall thickness 0.3mm of adiabatic section 12.
In the present embodiment, the cross section of insulation chambers is square.In other embodiments, the cross section of insulation chambers can be in circle
Shape, ellipse, square, pancake or polygon.
In the present embodiment, the thickness of the 3rd wick layer is 0.5mm.In other embodiments, the thickness of the 3rd wick layer
Degree can be changed according to actual conditions, such as the thickness of the 3rd wick layer can be 0.3mm, 0.4mm or 0.6mm,
The thickness for ensureing the 3rd wick layer is 0.3~0.6mm.
In the present embodiment, the shell wall thickness 0.3mm of adiabatic section 12.In other embodiments, the shell wall of adiabatic section 12
Thickness can be changed according to actual conditions, for example, adiabatic section 12 shell wall thickness can be 0.2mm, 0.4mm or
0.5mm, as long as the shell wall thickness for ensureing adiabatic section 12 is 0.2~0.5mm.
The cross section of condensation segment 13 is square, and condensation chamber is formed in condensation segment 13, the 4th is also formed in condensation chamber
Wick layer, the thickness of the 4th wick layer are 0.5mm, and the shell wall thickness 0.3mm of condensation segment 13.
In the present embodiment, the cross section of condensation chamber is square.In other embodiments, the cross section of condensation chamber can be in circle
Shape, ellipse, square, pancake or polygon.
In the present embodiment, the thickness of the 4th wick layer is 0.5mm.In other embodiments, the thickness of the 4th wick layer
Degree can be changed according to actual conditions, such as the thickness of the 4th wick layer can be 0.3mm, 0.4mm or 0.6mm,
The thickness for ensureing the 4th wick layer is 0.3~0.6mm.
In the present embodiment, the shell wall thickness 0.3mm of condensation segment 13.In other embodiments, the shell wall of condensation segment 13
Thickness can be changed according to actual conditions, for example, condensation segment 13 shell wall thickness can be 0.2mm, 0.4mm or
0.5mm, as long as the shell wall thickness for ensureing condensation segment 13 is 0.2~0.5mm.Wherein, evaporation cavity, insulation chambers and condensation chamber
It is in fluid communication successively, and evaporation cavity, insulation chambers and condensation chamber are vacuum chamber and fill condensate liquid.
Evaporator section 11, adiabatic section 12 and condensation segment 13 are formed in one structure；Or evaporator section 11, adiabatic section 12 and cold
It is fixed together between solidifying section 13 by way of welding；Or shell includes the first laminated structure and the second laminated structure,
Obtained by wherein the first laminated structure and the second laminated structure are punch forming, and the first laminated structure and the second laminated structure
Between be fixed together by welding, so as to form evaporator section 11, adiabatic section 12 and condensation segment 13 (i.e. the first laminated structure and
Evaporation cavity, the insulation chambers of adiabatic section 12 and the condensation chamber of condensation segment 13 of evaporator section 11 are formed between two laminated structures).Evaporator section
11st, the length for the shell that adiabatic section 12 and condensation segment 13 are formed can be in the light of actual conditions designed.
Another aspect in the utility model, additionally provide a kind of one kind of the special heat conducting pipe of LED front headlight of motor vehicle
Preparation technology:
1) the first copper pipe is chosen, first copper pipe one end is subjected to undergauge sealing treatment, wherein the first copper pipe includes evaporator section
11st, adiabatic section 12 and condensation segment 13；
2) will made of stainless steel sinter plug insert the first copper pipe in and be fixed so that sintering plug outer surface with
Form the first gap between the evaporator section 11 of first copper pipe, adiabatic section 12 and the inwall of condensation segment 13, wherein, the first gap size according to
Corresponding adjustment is done according to the capillary central layer thickness and internal diameter of copper pipe of demand；
3) using irregular copper powder as powders A, or, copper powder and Nacl are carried out to be mixed to get powder B, or,
Copper powder and Nacl and alumina fibre are carried out being mixed to get powder C, using vibrating machine by powders A, powder B or powder C
Pour into first gap；
4) nitrogen protection is added, is sintered repeatedly at a temperature of 940 DEG C~960 DEG C so that the evaporation of the evaporator section 11
The first wick layer and the second wick layer are formed in intracavitary cavity wall so that be molded on the internal chamber wall of the insulation chambers of adiabatic section 12
There is the 3rd wick layer so that the 4th wick layer is formed on the internal chamber wall of the condensation chamber of condensation segment 13；
5) condensate liquid is added in the first copper pipe other end, then application of vacuum is carried out to evaporation cavity, insulation chambers and condensation chamber, made
Obtaining the evaporation cavity, insulation chambers and condensation chamber turns into vacuum chamber, then carries out sealing treatment to the first copper pipe other end；
6) the first copper pipe is carried out heating flattening processing, afterwards, punching press is carried out in the both sides of evaporator section 11 using diel
Processing so that the both sides of evaporator section 11 form light source slot 111, and ensure the bottom wall of light source slot 111 of evaporator section both sides about 11
Between thickness for 0.5~1.5mm (at this heating flatten processing procedure in, it is assumed that the shell wall thickness of evaporator section both sides about 11
Degree is taken as 0.3mm, and the thickness of the first thin sandwich layer is taken as 0.1mm, after processing procedure is flattened by heating, on evaporator section 11
Thickness between the bottom wall of light source slot 111 of lower both sides can be 0.5mm, wherein evaporator section both sides about 11 bottom of light source slot 111
Thickness between wall includes evaporator section thickness of the shell wall thickness of both sides and two layers of first thin sandwich layers about 11, and first is thin
The thickness of sandwich layer is possible to be squeezed into 0mm).
Another aspect in the utility model, additionally provide a kind of the another of special heat conducting pipe of LED front headlight of motor vehicle
Kind preparation technology:
1) the second copper pipe is chosen, second copper pipe one end is subjected to undergauge sealing treatment, wherein the second copper pipe includes evaporator section
11st, adiabatic section 12 and condensation segment 13；
2) will made of stainless steel sinter plug insert the second copper pipe in and be fixed so that sintering plug outer surface with
The second gap is formed between the inwall of evaporator section 11 of second copper pipe so that sintering plug outer surface and the adiabatic section 12 of the second copper pipe
Third space is formed between inwall so that formed between sintering plug outer surface and the inwall of condensation segment 13 of the second copper pipe between the 4th
Gap, wherein, the second gap is less than third space, and or, the second gap be less than the 4th gap；
3) copper powder and Nacl are carried out being mixed to get powder D, or, copper powder and Nacl and alumina fibre are carried out
Powder E is mixed to get, is poured into powder D or powder E in the second gap, third space and the 4th gap using vibrating machine；
4) nitrogen protection is added, is sintered repeatedly at a temperature of 940 DEG C~960 DEG C so that the evaporation of the evaporator section 11
The first wick layer and the second wick layer are formed in intracavitary cavity wall so that formed on the adiabatic internal chamber wall of adiabatic section 12
3rd wick layer so that the 4th wick layer is formed on the internal chamber wall of the condensation chamber of condensation segment 13, and ensures first mao
Thin sandwich layer and the thickness of the second wick layer are less than the thickness of the 3rd wick layer, and or, the first wick layer and the second capillary
The thickness of sandwich layer is less than the thickness of the 4th wick layer；
5) condensate liquid is added in the second copper pipe other end, then application of vacuum is carried out to evaporation cavity, insulation chambers and condensation chamber, made
Obtaining the evaporation cavity, insulation chambers and condensation chamber turns into vacuum chamber, then to carrying out sealing treatment in the second copper pipe other end；
6) the second copper pipe is carried out heating flattening processing, afterwards, punching press is carried out in the both sides of evaporator section 11 using diel
Processing so that the both sides of evaporator section 11 form light source slot 111, and ensure between the bottom wall of light source slot 111 of evaporator section both sides about 11
Thickness for 0.5~1.5mm (at this heating flatten processing procedure in, it is assumed that the shell wall thickness of evaporator section both sides about 11 is equal
0.3mm is taken as, and the thickness of the first thin sandwich layer is taken as 0.1mm, after processing procedure is flattened by heating, evaporator section is two about 11
Thickness between the bottom wall of light source slot 111 of side can be 0.5mm, wherein the bottom wall of light source slot 111 of evaporator section both sides about 11 it
Between thickness include evaporator section the shell wall thickness of both sides and thickness of two layers of first wick layers about 11, and the first thin core
The thickness of layer is possible to be squeezed into 0mm).
Another aspect in the utility model, additionally provide the 3rd of a kind of special heat conducting pipe of LED front headlight of motor vehicle
Kind preparation technology:
1) punch forming obtained the first laminated structure and the second laminated structure are chosen, wherein the first laminated structure includes the
One evaporator section 11, the first adiabatic section 12 and the first condensation segment 13, the second laminated structure include the second evaporator section 11, the second adiabatic section
12 and second condensation segment 13, wherein, form the light source slot being rectangle on the first evaporator section 11 and the second evaporator section 11
111；
2) corresponding first tool is matched in the first laminated structure upper surface and is fixed so that the first sheet knot
The 5th gap is formed between first evaporator section 11 of structure upper surface and the first tool so that the first of the first laminated structure upper surface
The 6th gap is formed between the tool of adiabatic section 12 and first so that the first condensation segment 13 and first of the first laminated structure upper surface
The 7th gap is formed between tool；
3) corresponding second tool is matched in the second laminated structure upper surface and is fixed so that the second sheet knot
The 8th gap is formed between second evaporator section 11 of structure upper surface and the second tool so that the second of the second laminated structure upper surface
The 9th gap is formed between the tool of adiabatic section 12 and second so that the second condensation segment 13 and second of the second laminated structure upper surface
The tenth gap is formed between tool；
4) using irregular copper powder as powder F, or, copper powder and Nacl are carried out to be mixed to get powder G, or,
Copper powder and Nacl and alumina fibre are carried out being mixed to get powder H, using vibrating machine by powder F, powder G or powder H
Pour into the 5th gap, the 6th gap, the 7th gap, the 8th gap, the 9th gap and the tenth gap；
5) nitrogen protection is added, is sintered repeatedly at a temperature of 940 DEG C~960 DEG C so that the first laminated structure upper surface
The first evaporator section 11 and the second laminated structure upper surface the second evaporator section 11 on form the first wick layer and second
Wick layer；So that the first adiabatic section 12 of the first laminated structure upper surface and the second adiabatic section of the second laminated structure upper surface
12 form the 3rd wick layer；So that the first condensation segment 13 and the second laminated structure upper table of the first laminated structure upper surface
Second condensation segment 13 in face forms the 4th wick layer, and ensures the thickness of the first wick layer and the second wick layer
Less than the thickness of the 3rd wick layer, and or, ensure that the thickness of the first wick layer and the second wick layer is less than the 4th capillary
The thickness of sandwich layer；
6) the first laminated structure both sides and the second sheet both sides are correspondingly welded together so that the first laminated structure and
Two sheets form the 3rd copper pipe for including evaporator section 11, adiabatic section 12 and condensation segment 13；
7) condensate liquid is added in the 3rd copper pipe, then application of vacuum is carried out to the 3rd copper pipe so that the evaporation cavity and cold
Solidifying chamber turns into vacuum chamber, then to carrying out sealing treatment in the 3rd copper pipe, to complete the making of heat conducting pipe.
During using the utility model, due to forming evaporation cavity in evaporator section 11, insulation chambers are formed in adiabatic section 12, it is cold
Condensation chamber is formed in solidifying section 13, evaporation cavity, insulation chambers and condensation chamber are vacuum chamber and fill condensate liquid, and evaporate up and down
Both sides form light source slot 111, and the first wick layer, the position of the first wick layer and light source slot are formed in evaporation cavity
111 is corresponding, i.e. the first wick layer is located at immediately below light source slot 111, wherein the thickness of the first wick layer is 0~0.5mm,
Thickness between the bottom wall of light source slot 111 of evaporator section both sides about 11 is 0.5~1.5mm, and light source is arranged on into light source slot 111
It is interior.Front headlight of motor vehicle in the course of the work, the outside projection light of light source in light source slot 111, because light source is arranged on
In light source slot 111, now, the light that light source outwards projects relative can be gathered together, and form good light type (now, evaporator section
11 pass through punching press so that the thickness between the bottom wall of light source slot 111 of evaporator section both sides about 11 is 0.8mm, when on evaporator section 11
When thickness between the bottom wall of light source slot 111 of lower both sides is closer to 0.8mm, the light that light source outwards projects relative can converge in
The light type formed together is better), and during the outside projection light of light source, thermal source caused by light source and light source slot 111
Between shell and the first wick layer coolant flash to steam and run through insulation chambers reach condensation chamber again by condensing
Section periphery cooling mechanism by thermal source arrange outwardly, and the steam of condensation chamber from gas to turn liquid to condensate liquid, condensate liquid is with hair
Thin power effect passes condensate liquid back the two the first wick layers, goes round and begins again and effectively improves radiating efficiency.The utility model energy
LED light source is solved directly against mounted in " heat pipe " both side surface, and the thickness between both side surface is before to be more than 2.5mm cause automobile
The shortcomings that light type of the projection light of headlight is bad.Also can solve the problems, such as to cool using metal conduction but radiating efficiency is low.This
Another aspect in utility model, additionally provide a kind of preparation technology of the special heat conducting pipe of LED front headlight of motor vehicle.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (7)
- A kind of 1. special heat conducting pipe of LED front headlight of motor vehicle, it is characterised in that：Including shell, the shell be provided with evaporator section, absolutely Hot arc and condensation segment, the evaporator section is interior to be provided with evaporation cavity, and insulation chambers are provided with the adiabatic section, are provided with the condensation segment cold Solidifying chamber, the evaporation cavity, insulation chambers and condensation chamber are in fluid communication successively, and the evaporation cavity, insulation chambers and condensation chamber are Vacuum chamber simultaneously fills condensate liquid；The evaporator section is equipped with light source slot in both sides up and down；The first wick layer is provided with the evaporation cavity, the position of first wick layer is corresponding with the light source slot, i.e., First wick layer is located at immediately below the light source slot, and the thickness of first wick layer is 0~0.5mm, the steaming The thickness sent out above and below section between the light source groove bottom wall of both sides is 0.5~1.5mm.
- 2. the special heat conducting pipe of LED front headlight of motor vehicle according to claim 1, it is characterised in that：In the evaporation cavity also Provided with the second wick layer, the thickness of second wick layer is 0.3~0.6mm；The 3rd wick layer is additionally provided with the insulation chambers, the thickness of the 3rd wick layer is 0.3~0.6mm；The 4th wick layer is additionally provided with the condensation chamber, the thickness of the 4th wick layer is 0.3~0.6mm.
- 3. the special heat conducting pipe of LED front headlight of motor vehicle according to claim 1, it is characterised in that：The light source slot is set Above and below evaporator section at the center of both sides.
- 4. the special heat conducting pipe of LED front headlight of motor vehicle according to claim 1, it is characterised in that：The adiabatic section and cold The shell wall thickness of solidifying section is 0.2~0.5mm.
- 5. the special heat conducting pipe of LED front headlight of motor vehicle according to claim 1, it is characterised in that：The horizontal stroke of the insulation chambers Section is rounded, oval, square, pancake or polygon, the circular in cross-section of the condensation chamber, ellipse, square, flat Flat shape or polygon.
- 6. the special heat conducting pipe of LED front headlight of motor vehicle according to claim 1, it is characterised in that：The evaporator section, thermal insulation Section and condensation segment are formed in one structure；Or it is fixed together between the evaporator section, adiabatic section and condensation segment by way of welding；Or the shell includes the first laminated structure and the second laminated structure, the first laminated structure and the second laminated structure it Between be fixed together by welding, so as to form the evaporator section, adiabatic section and condensation segment.
- 7. the special heat conducting pipe of LED front headlight of motor vehicle according to any one of claim 1-6, it is characterised in that：Light source It is arranged on the light source slot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720869493.1U CN207146269U (en) | 2017-07-17 | 2017-07-17 | A kind of special heat conducting pipe of LED front headlight of motor vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720869493.1U CN207146269U (en) | 2017-07-17 | 2017-07-17 | A kind of special heat conducting pipe of LED front headlight of motor vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388154A (en) * | 2017-07-17 | 2017-11-24 | 海蓝星光学科技(东莞)有限公司 | A kind of special heat conducting pipe of LED front headlight of motor vehicle and its preparation technology |
| CN108981434A (en) * | 2018-07-03 | 2018-12-11 | 火丁智能照明（珠海）有限公司 | A kind of heat pipe and its manufacturing method |
| JP2020186824A (en) * | 2019-05-10 | 2020-11-19 | 古河電気工業株式会社 | Heat sink |
-
2017
- 2017-07-17 CN CN201720869493.1U patent/CN207146269U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388154A (en) * | 2017-07-17 | 2017-11-24 | 海蓝星光学科技(东莞)有限公司 | A kind of special heat conducting pipe of LED front headlight of motor vehicle and its preparation technology |
| CN108981434A (en) * | 2018-07-03 | 2018-12-11 | 火丁智能照明（珠海）有限公司 | A kind of heat pipe and its manufacturing method |
| JP2020186824A (en) * | 2019-05-10 | 2020-11-19 | 古河電気工業株式会社 | Heat sink |
| US11246239B2 (en) | 2019-05-10 | 2022-02-08 | Furukawa Electric Co., Ltd. | Heatsink |
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