CN109140385A - A kind of car light part and preparation method thereof with anti-focusing heat sinking function - Google Patents
A kind of car light part and preparation method thereof with anti-focusing heat sinking function Download PDFInfo
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- CN109140385A CN109140385A CN201811197155.3A CN201811197155A CN109140385A CN 109140385 A CN109140385 A CN 109140385A CN 201811197155 A CN201811197155 A CN 201811197155A CN 109140385 A CN109140385 A CN 109140385A
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- heat
- car light
- coating
- thermally conductive
- heat radiation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- 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
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
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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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Body Structure For Vehicles (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of with the anti-car light part and preparation method thereof for focusing heat sinking function, the heat radiation part including focusing risk；The heat radiation part for focusing risk is the heat radiation part that one or both of heat-conducting plastic, common plastics are compounded to form；The medial surface or lateral surface of the heat radiation part are covered with one or both of heat conducting coating, thermally conductive film, coating.Car light part of the invention passes through unique heat dissipation design structure, while ensure that auto parts appearance high-flatness, high glaze, local high heat is allowed to diffuse to the lower position of part temperatures rapidly, avoid damage parts caused by hot-spot, structure is simple, does not influence the structure and function of car light part itself, low manufacture cost, the weight for not increasing car light part itself meets the consumer demand relatively high to appearance requirement.
Description
Technical field
The present invention relates to automobile lamps to prepare manufacture field, focuses heat sinking function with anti-in particular to a kind of
Car light part and preparation method thereof.
Background technique
For car light as the accessory to hold the balance on automobile, effect is very big, primarily serves illumination and the effect of signal, preceding
The light that illuminator issues can illuminate the road conditions in front of car body, the driving for keeping driver safe in night, rear vehicle lamp
Generally it is made of rear lamp, back-up lamp, Brake lamp, Rear Fog Lamp, rear directional and Reflex Reflector.Turn signal lamp be used to
Other road users indicate or the lamps and lanterns of right turn.Positioned at the car light function of automobile different location and effect also it is each not
It is identical.
Under present state of development, with the promotion of car light function, the optical system of car light becomes to become increasingly complex,
In some cases, after car light is by sunlight irradiation, after light passes through car light optical system, certain parts of car light are focused on
On, it causes to burn to part.Especially the part of plastics can be damaged because temperature is excessively high, influence appearance, also influence to use the longevity
Life.
Aiming at the problem that solar light focusing inside car light, currently used method is to change structure or promoted by material of burning
The temperature resistant grade of material is alleviated with the methods of metal material instead, increase piece surface coating.But these methods are not only very
Difficulty is fully solved problem, and will affect car light itself appearance, increase cost, also will increase the weight of car light itself, and
It does not tackle the problem at its root, therefore finds a kind of structure for not destroying car light itself, it is at low cost, and can solve too
The method of sunlight focus issues is as technical problem nowadays urgently to be resolved.
In view of this, the present invention is specifically proposed.
Summary of the invention
The first object of the present invention is to provide a kind of with the anti-car light part for focusing heat sinking function, and the car light part is logical
Unique heat dissipation design structure is crossed, while ensure that auto parts appearance high-flatness, high glaze, makes local high heat rapid
The lower position of part temperatures is diffused to, damage parts caused by hot-spot are avoided, structure is simple, does not influence car light part sheet
The structure and function of body, low manufacture cost do not increase the weight of car light part itself, meet relatively high to appearance requirement disappear
The demand of the person of expense.
The second object of the present invention is to provide the specific preparation method of above-mentioned car light part, preparation method technique itself
Step is simple, easy to operate, and the step linking of operation front and back is close, provides the foundation that can be referred to for subsequent operation, is prepared into
The car light part arrived has excellent anti-focusing heat sinking function, and service performance is not affected, and service life is guaranteed, is worth
Wide popularization and application.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
The present invention provides a kind of with the anti-car light part for focusing heat sinking function, the heat radiation part including focusing risk；
Focus the heat dissipation zero that the heat radiation part of risk is compounded to form for one or both of heat-conducting plastic, common plastics
Part；
The medial surface or lateral surface of heat radiation part are covered with one or both of heat conducting coating, thermally conductive film, coating；
Preferably, the medial surface of heat radiation part is covered with heat conducting coating, and the lateral surface of the heat radiation part is covered with thermally conductive film；
Preferably, the medial surface of heat radiation part is covered with heat conducting coating, and the lateral surface of the heat radiation part is covered with coating；
Preferably, the lateral surface of heat radiation part is covered with heat conducting coating or thermally conductive film；
Preferably, the heat radiation part is the double-material injection-molding part of heat-conducting plastic and common plastics, extra quality hot-pressed parts, double
Expect any one in soldering part.
In the prior art, with the promotion of car light function, the optical system of car light becomes to become increasingly complex, in certain situations
Under, after car light is irradiated by sunlight, after light passes through car light optical system, focuses on certain parts of car light, cause pair
Part is burnt.Especially the part of plastics can be damaged because temperature is excessively high, influenced appearance, also influenced service life.
Aiming at the problem that solar light focusing inside car light, currently used method is to change structure or promoted by material of burning
The temperature resistant grade of material is alleviated with the methods of metal material instead, increase piece surface coating.But these methods are not only very
Difficulty is fully solved problem, and will affect car light itself appearance, increase cost, also will increase the weight of car light itself, and
Do not tackle the problem at its root.
In order to solve the above technical problems, The present invention provides a kind of with the anti-car light part for focusing heat sinking function, vehicle
The heat radiation part ontology of lamp part is molded using one or both of heat-conducting plastic and common plastics, hot pressing or welding
Technique be prepared, be usually individually using heat-conducting plastic or heat-conducting plastic, common plastics to improve thermally conductive effect
Double-material injection-molding, material of plastics itself is relatively lighter, will not increase the weight of heat radiation part itself, also has good thermally conductive function
Energy.
It further is covered with heat conducting coating, thermally conductive film or coating in the medial surface of heat radiation part or lateral surface, coating is main
The effect of decorative appearance is played, one or both of heat conducting coating, thermally conductive film, coating can be covered simultaneously, it can also basis
For actual conditions only with one of cooling measure, above-mentioned this body structure of cooling measure is simple, not thick and heavy, overlays on heat radiation part
Outside will not influence the performance of auto parts itself, and directlying adopt metal parts or metal material more in the prior art has
More excellent effect, using cooling measure of the invention treated auto parts, being detected its thermal coefficient be can achieve
The intrinsic mechanical aspects performance of 1.3W/m.K or more, good heat dissipation effect, and its auto parts does not also reduce, and extends automobile
The service life of part.
Compared with prior art, the invention has the benefit that
(1) the car light part with anti-focusing heat sinking function of the invention ensure that by unique heat dissipation design structure
While auto parts appearance high-flatness, high glaze, allows local high heat to diffuse to the lower position of part temperatures rapidly, keep away
Exempt from damage parts caused by hot-spot, structure is simple, do not influence the structure and function of car light part itself, low manufacture cost,
The weight for not increasing car light part itself meets the consumer demand relatively high to appearance requirement；
(2) this body structure of car light part of the invention is simple, and low cost, appearance is changeable, deep to be liked by the majority of consumers；
(3) the specific preparation method processing step of car light part of the invention is simple, easy to operate, operation front and back step rank
It connects closely, provides the foundation that can be referred to for subsequent operation, there is the car light part being prepared excellent anti-focusing to radiate
Function, service performance are not affected, and service life is guaranteed, and should be widely promoted application.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the concrete structure schematic diagram of the car light part of the embodiment of the present invention one；
Fig. 2 is the concrete structure schematic diagram of the car light part of the embodiment of the present invention two；
Fig. 3 is the concrete structure schematic diagram of the car light part of the embodiment of the present invention three；
Fig. 4 is the concrete structure schematic diagram of the car light part of the embodiment of the present invention four.
Appended drawing reference:
1- common plastics layer；2- heat-conducting plastic layer；
3- heat conducting coating；4- thermally conductive film；
5- coating；6- heat-conducting plastic fin.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the word of the orientation or positional relationship of certain instructions, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, it should be noted that " connection " shall be understood in a broad sense, for example, it may be fixedly connected,
It may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected,
The connection inside three elements can also be can be indirectly connected through an intermediary.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
The present invention provides a kind of with the anti-car light part for focusing heat sinking function, the heat radiation part including focusing risk；
Focus the heat dissipation zero that the heat radiation part of risk is compounded to form for one or both of heat-conducting plastic, common plastics
Part；
The medial surface or lateral surface of heat radiation part are covered with one or both of heat conducting coating, thermally conductive film, coating；
Preferably, the medial surface of heat radiation part is covered with heat conducting coating, and the lateral surface of the heat radiation part is covered with thermally conductive film；
Preferably, the medial surface of heat radiation part is covered with heat conducting coating, and the lateral surface of the heat radiation part is covered with coating；
Preferably, the lateral surface of heat radiation part is covered with heat conducting coating or thermally conductive film；
Preferably, the heat radiation part is the double-material injection-molding part of heat-conducting plastic and common plastics, extra quality hot-pressed parts, double
Expect any one in soldering part.
In order to solve the above technical problems, The present invention provides a kind of with the anti-car light part for focusing heat sinking function, vehicle
The heat radiation part ontology of lamp part is molded using one or both of heat-conducting plastic and common plastics, hot pressing or welding
Technique be prepared, be usually individually using heat-conducting plastic or heat-conducting plastic, common plastics to improve thermally conductive effect
Double-material injection-molding, material of plastics itself is relatively lighter, will not increase the weight of heat radiation part itself, also has good thermally conductive function
Energy.
It further is covered with heat conducting coating, thermally conductive film or coating in the medial surface of heat radiation part or lateral surface, coating is main
The effect of decorative appearance is played, heat conducting coating, thermally conductive film can be covered simultaneously, it can also be according to the actual situation only with wherein one
Kind cooling measure, above-mentioned a variety of preferred schemes list the different situations of car light part radiating treatment of the present invention, it is seen that as long as
Using in heat conducting coating, thermally conductive film, coating one of which or two kinds of scheme it is within the scope of the present invention.
Above-mentioned this body structure of measure is simple, not thick and heavy, and the outside for overlaying on heat radiation part will not influence auto parts itself
Performance, directlying adopt metal parts or metal material more in the prior art has more excellent effect, using the present invention
Cooling measure treated auto parts, being detected its thermal coefficient can achieve 1.3W/m.K or more, good heat dissipation effect, and
And the intrinsic mechanical aspects performance of its auto parts does not also reduce, and extends the service life of auto parts.
Preferably as further enforceable scheme, the heat radiation part for focusing risk include lens, lens,
Any one of decorative circle, circlets, reflecting mirror and bracket on light guide, condenser.
It is various on car light that there is the accessory for focusing risk to be within the scope of the invention, it can use of the invention
Structure carries out anti-focusing heat dissipation.
Preferably as further enforceable scheme, the heat-conducting plastic includes thermally conductive PA6, thermally conductive PA66, thermally conductive
PC, thermally conductive PP, heat conduction PBT, thermally conductive PET, any one or a few compound in thermally conductive ABS；
Preferably as further enforceable scheme, common plastics include PA6, PA66, PC, PC-HT, PBT, PET,
Any one or a few compound in PP, ABS, PC+ABS, PMMA material.
Preferably as further enforceable scheme, heat conducting coating includes graphite ene coatings, carbon nanotube coating, leads
One or more of hot equadag coating, heat-conducting metal coating it is compound；
Preferably, the thermally conductive film includes graphite guide hotting mask, graphene heat conducting film, carbon nanotube heat conducting film, and metal is led
One or more of hotting mask it is compound；
Preferably, the coating includes vacuum coating, plated film, any one in layer of paint.
In above-mentioned each structure, the composition of heat conducting coating and thermally conductive film itself directly decides the excellent journey of heat dissipation performance
Degree, therefore, is optimized specifically, heat conducting coating or thermally conductive film master to itself of heat conducting coating and thermally conductive film ingredient
It to be made by following raw material: in terms of mass fraction, 1-2 parts of graphene, 2-3 parts of silicone oil, amino-acid modified magnesium powder 3-4 parts, lemon
8-10 parts of diethyl phthalate.
Preferably as further enforceable scheme, in terms of mass fraction, 1.5-1.8 parts of graphene, silicone oil 2.2-
2.8 parts, amino-acid modified magnesium powder 3.2-3.8 parts, 8.5-9.5 parts of lemon diethyl phthalate.
Graphene, silicone oil itself have excellent heat sinking function, after being modified by using amino acid to magnesium powder, so that
The microstructure of magnesium powder itself is more stable, has more systematicness, changes rambling microstructure, reduces thermally conductive logical
The defect in road, it is more regular between each passage of heat, and ensure that excellent mechanical performance, it has been obviously improved and has led after preparation molding
The mechanical performances such as the thermal conductivity and intensity of hot coating and thermally conductive film itself, anti-pressure ability.
Inventor is by further optimizing the dosage of above-mentioned each ingredient after largely practicing, lemon diethyl phthalate
To be mixed into uniform substance for other components are superior, dosage can be relatively larger, but graphene, silicone oil with
And the dosage of magnesium powder then needs strict control dosage, because especially graphene is easy to reunite, if the too big meeting of dosage
Its mechanical performance is influenced, passage of heat is caused to block, plays the effect run counter to desire.Why need to change magnesium powder
Property, also in that magnesium powder and graphene are powdery, it is easy to happen aggregation after mixing, modified its of magnesium powder is not susceptible to mutually mixed
After the phenomenon that reuniting, but better synergistic effect can be reached after interworking
Preferably as further enforceable scheme, the method for amino-acid modified magnesium powder includes:
Magnesium powder is uniformly spread out, surface stands a period of time after spraying coupling agent solution, drying；It is immersed in amino acid solution
Middle stirring, filtering drying after heating.
Preferably as further enforceable scheme, the temperature of heating controls the time of heating between 30-40 DEG C
Control is in 1-2h；
Preferably, the coupling agent is silane coupling agent；
Preferably, the concentration of the coupling agent solution controls between 30-40wt%；
Preferably, the time of standing is 2-3h.
Preferably, the type of the amino acid is lysine, arginine, the one of which in proline；
Preferably, the concentration of the amino acid solution controls between 10-20wt%.
As it can be seen that specifically modified method is also fairly simple, heating is the effect in order to promote dipping, can make amino acid
It is preferably merged with magnesium powder.
In addition, including the following steps: the embodiment of the invention also provides a kind of preparation method of car light part
Heat-conducting plastic, common plastics double injection, hot pressing or welding are formed into heat radiation part, in the heat radiation part
Side or lateral surface are covered with heat conducting coating, thermally conductive film, coating and are surface-treated.
The solution of the present invention is described in detail below by specific embodiment:
Embodiment 1
The preparation method of car light part specifically comprises the following steps:
Specific structure is as shown in Figure 1, the side front on car light part is focused the heat radiation part decorative circle of risk zones, use
Common PC plastic layer 1, carries out dual-layer welding with thermally conductive PA6 plastic layer 2 and is formed, and common plastics layer 1 is outside, guarantees the outer of decorative circle
It sees, thermally conductive PA6 plastic layer 2 is in inside.Wherein, common PC plastic layer 1 is with a thickness of 0.3mm, thermally conductive PA6 plastic layer 2 with a thickness of
2.5mm.Vacuum aluminum-coated formation coating 5 is carried out on 1 surface of common plastics layer, the high heat on surface is diffused to rapidly low-temperature space
Domain guarantees that focus temp is difficult to rise, while guaranteeing accessory appearance, and does not influence to radiate.
Embodiment 2
Specific structure is adopted as shown in Fig. 2, the side rear on car light part is focused the heat radiation part reflecting mirror of risk zones
With common PC plastic, double injection is carried out with thermally conductive PC plastic and is formed, thermally conductive PC plastic layer 2 is on the outside of reflecting mirror, common plastics
For layer 1 on the inside of reflecting mirror, common plastics layer 1 guarantees the flat and smooth of mirror reflection surface ,-carried out on 1 surface of common plastics layer
Vacuum aluminum-coated formation coating 5, the high heat on surface are diffused to rapidly low-temperature region, guarantee that focus temp is difficult to rise, simultaneously
Guarantee accessory appearance, and does not influence to radiate.
In addition, increasing the heat radiation energy of reflecting mirror designed for the integrative fin structure 6 of heat dissipation on thermally conductive PC plastic layer 2
The high heat of power, fin wall thickness 2.0-4.0mm, surface diffuses to rapidly low-temperature space by heat-conducting plastic layer 2 and heat-conducting plastic fin 6
Domain, while guaranteeing that mirror surface has mirror effect, the light shape design of car light is not influenced.
Embodiment 3
The specific structure is shown in FIG. 3, on car light part around be focused the heat radiation part case rings of risk zones, use
Common PC-HT plastics carry out the double-deck hot pressing with thermally conductive PC plastic and are formed, and common plastics layer 1 is outside, guarantee the appearance of decorative circle,
Thermally conductive PC plastic layer 2 pastes thermally conductive film 4 on the surface of common plastics layer 1 and improves heat dissipation effect, specific thermally conductive film in inside
4 preparation method is as follows:
1) magnesium powder is uniformly spread out, 3h is stood after the silane coupler solution that surface injection concentration is 40wt%, in baking oven
Drying；
2) above-mentioned processed magnesium powder is immersed in after stirring 1-2h in the arginine solution that concentration is 10wt%, is stirred on one side
30 DEG C of heating on one side are mixed, the drying of magnesium powder baking oven is filtered out.
3) the modified magnesium powder of above-mentioned arginine is taken into 40g, and graphene 20g, silicone oil 20g, lemon diethyl phthalate 100g mixture,
It modulates and thermally conductive film 4 is made.
Embodiment 4
Specific structure uses as shown in figure 4, be focused the heat radiation part case ring of risk zones around on car light part
Common PC-HT plastics carry out the double-deck hot pressing with thermally conductive PC plastic and are formed, and common plastics layer 1 is outside, guarantee the appearance of decorative circle,
Thermally conductive PC plastic layer 2 pastes heat conducting coating 3 on the surface of common plastics layer 1 and improves heat dissipation effect, specific heat conducting coating in inside
3 preparation method is as follows:
1) magnesium powder is uniformly spread out, 3h is stood after the silane coupler solution that surface injection concentration is 30wt%, in baking oven
Drying；
2) above-mentioned processed magnesium powder is immersed in after stirring 2-3h in the arginine solution that concentration is 20wt%, is stirred on one side
40 DEG C of heating on one side are mixed, the drying of magnesium powder baking oven is filtered out.
3) the modified magnesium powder of above-mentioned arginine is taken into 30g, and graphene 10g, silicone oil 30g, lemon diethyl phthalate 80g mixture,
It modulates and heat conducting coating is made.
Embodiment 5
Concrete operation step and embodiment 3 are consistent, only carry out vacuum aluminum-coated formation plating in the medial surface of heat-conducting plastic layer 2
Layer 5, in last ingredient, the modified magnesium powder of arginine takes 38g, with graphene 15g, silicone oil 28g, lemon diethyl phthalate 85g.
Embodiment 6
Concrete operation step and embodiment 3 are consistent, and only in last ingredient, the modified magnesium powder of arginine takes 32g, with graphene
18g, silicone oil 22g, lemon diethyl phthalate 95g.
Comparative example 1
Car light part itself is made using metal material.
Experimental example 1
1 performance test results of table
| Main physical and chemical index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 1 |
| Yield strength, Mpa | 75 | 80 | 83 | 83 | 83 | 83 | 50 |
| Flexural strength, Mpa | 120 | 138 | 151 | 151 | 151 | 151 | 90 |
| Rate elongation of having no progeny (%) | >=1% | >=1% | >=1% | >=1% | >=1% | >=1% | >=1% |
| Thermal coefficient (W/m.K) | 3.0 | 3.2 | 3.3 | 3.3 | 3.3 | 3.3 | 1.0 |
| Rockwell hardness (R) | 100 | 120 | 110 | 50 | 50 | 50 | 80 |
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of with the anti-car light part for focusing heat sinking function, which is characterized in that the heat radiation part including focusing risk；
The heat radiation part for focusing risk is the heat dissipation zero that one or both of heat-conducting plastic, common plastics are compounded to form
Part；
The medial surface or lateral surface of the heat radiation part are covered with one or both of heat conducting coating, thermally conductive film, coating；
Preferably, the medial surface of the heat radiation part is covered with heat conducting coating, and the lateral surface of the heat radiation part is covered with thermally conductive film；
Preferably, the medial surface of the heat radiation part is covered with heat conducting coating, and the lateral surface of the heat radiation part is covered with coating；
Preferably, the lateral surface of the heat radiation part is covered with heat conducting coating or thermally conductive film；
Preferably, the heat radiation part is the double-material injection-molding part of heat-conducting plastic and common plastics, extra quality hot-pressed parts, extra quality weldering
Any one in pipe fitting.
2. car light part according to claim 1, which is characterized in that it is described focus risk heat radiation part include lens,
Any one of lens, light guide, the decorative circle on condenser, circlets, reflecting mirror and bracket.
3. car light part according to claim 1, which is characterized in that the heat-conducting plastic includes thermally conductive PA6, thermally conductive
PA66, thermally conductive PC, thermally conductive PP, heat conduction PBT, thermally conductive PET, any one or a few compound in thermally conductive ABS；
Preferably, the common plastics include in PA6, PA66, PC, PC-HT, PBT, PET, PP, ABS, PC+ABS, PMMA material
Any one or a few compound.
4. car light part according to claim 1, which is characterized in that the heat conducting coating includes that graphite ene coatings, carbon are received
One or more of mitron coating, heat conductive graphite coating, heat-conducting metal coating it is compound；
Preferably, the thermally conductive film includes graphite guide hotting mask, graphene heat conducting film, carbon nanotube heat conducting film, metal heat-conducting film
One or more of it is compound；
Preferably, the coating includes vacuum coating, plated film, any one in layer of paint.
5. car light part according to claim 4, which is characterized in that the heat conducting coating or thermally conductive film are mainly by following
Raw material is made: in terms of mass fraction, 1-2 parts of graphene, and 2-3 parts of silicone oil, amino-acid modified magnesium powder 3-4 parts, lemon diethyl phthalate
8-10 parts.
6. car light part according to claim 5, which is characterized in that in terms of mass fraction, 1.5-1.8 parts of graphene, silicon
It is 2.2-2.8 parts oily, amino-acid modified magnesium powder 3.2-3.8 parts, 8.5-9.5 parts of lemon diethyl phthalate.
7. car light part according to claim 5 or 6, which is characterized in that the method for amino-acid modified magnesium powder includes:
Magnesium powder is uniformly spread out, surface stands a period of time after spraying coupling agent solution, drying；
It is immersed in amino acid solution and stirs, filtering drying after heating.
8. car light part according to claim 7, which is characterized in that the temperature of heating controls between 30-40 DEG C, heating
Time control in 1-2h.
9. car light part according to claim 7, which is characterized in that the coupling agent is silane coupling agent.
10. the preparation method of the described in any item car light parts of claim 1-9, which comprises the steps of:
Heat-conducting plastic, common plastics double injection, hot pressing or welding are formed into heat radiation part, in the medial surface of the heat radiation part
Or lateral surface is covered with heat conducting coating, thermally conductive film, coating and is surface-treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811197155.3A CN109140385B (en) | 2018-10-15 | 2018-10-15 | Car lamp part with anti-focusing and heat-dissipating functions and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811197155.3A CN109140385B (en) | 2018-10-15 | 2018-10-15 | Car lamp part with anti-focusing and heat-dissipating functions and preparation method thereof |
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| CN109140385A true CN109140385A (en) | 2019-01-04 |
| CN109140385B CN109140385B (en) | 2023-09-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990249A (en) * | 2019-04-16 | 2019-07-09 | 华域视觉科技(上海)有限公司 | Car light heat dissipation case ring |
| FR3104682A1 (en) * | 2019-12-11 | 2021-06-18 | Valeo Vision | Lighting device using orthotropic material |
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