CN213746575U - LED corner lamp radiator - Google Patents
LED corner lamp radiator Download PDFInfo
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- CN213746575U CN213746575U CN202023087148.3U CN202023087148U CN213746575U CN 213746575 U CN213746575 U CN 213746575U CN 202023087148 U CN202023087148 U CN 202023087148U CN 213746575 U CN213746575 U CN 213746575U
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Abstract
The utility model belongs to the technical field of the LED, concretely relates to LED corner lamp radiator, including the heating panel and the radiating fin that sets up at the first side and the second side vertical distribution of heating panel, first side on the heating panel is equipped with the heat transfer portion that is used for laminating the LED base plate, heating panel, radiating fin are the thermal conductivity plastics that coefficient of heat conductivity is 3~ 50W/(m.K) through injection molding technology integrated into one piece and material. Adopt the integration shaping of heat conduction plastics material, compare in the aluminum product, have that matter is light, machining precision is high, processing technology is simple, integrated into one piece production efficiency is high, low in production cost's advantage, heat conduction plastics replacement aluminum product can compensate to a certain extent for the low disadvantage of aluminum product coefficient of heat conductivity, satisfies car light producer's heat dissipation requirement with the help of the high characteristics of heat conduction plastics design degree of freedom. This application satisfies the heat dispersion requirement of moulding the aluminium of replacing through the selection of the coefficient of heat conductivity scope of combining structural design and thermal-conductive plastics.
Description
Technical Field
The utility model belongs to the technical field of the LED, concretely relates to LED corner lamp radiator.
Background
There are two types of corner lamps for automobiles: one is a lamp for providing auxiliary lighting for the corner of the road near the front where the vehicle is to turn, which is arranged on the two sides of the longitudinal symmetrical plane of the vehicle; the other is that when the vehicle is going to reverse or walk slowly, the lamp for providing auxiliary lighting for the side or the back of the vehicle is arranged on the side, the back or downwards of the vehicle. In view of the complicated internal structure of the mounting portion, the heat sink used for the LED substrate is generally required to be combined with nearby components, thereby making the design of the shape and the structure complicated.
The prior art adopts an aluminum corner lamp radiator, but the aluminum radiator has the defects of large material specific gravity, complex processing procedures after the radiator is processed (if the after-treatment such as flash treatment, polishing, powder spraying, paint spraying and the like is needed), and the like. In addition, the aluminum heat sink is limited by the die-casting process, so that the machining precision is limited, and especially for the corner lamp heat sink with complicated shape and structure design, the machining precision is higher.
Disclosure of Invention
In view of the aforesaid problem of prior art aluminium system corner lamp radiator, the utility model aims to provide a: the utility model provides a LED corner lamp radiator with material specific gravity is light, processing aftertreatment is simple, the radiating effect is good, specifically realizes through following technical scheme:
the utility model provides a LED corner lamp radiator, includes the heating panel and at the first side of heating panel and the radiating fin that the second side vertical distribution set up, first side on the heating panel is equipped with the heat transfer portion that is used for laminating the LED base plate, heating panel, radiating fin are through injection molding technology integrated into one piece and the material is the thermal conductivity plastics that coefficient of heat conductivity is 3~ 50W/(m.K).
Optionally, the heat dissipation plate is a stepped heat dissipation plate and includes a first step, a second step and a third step from high to low, the heat transfer portion is disposed on the second step, and a plurality of heat dissipation fins are disposed on a second side surface of the heat dissipation plate at positions corresponding to the heat transfer portion. The design of the stepped heat dissipation plate can meet the requirements of the surrounding structure and space of the corner lamp.
Furthermore, the first step is provided with a radiating fin at a first side, the first step is provided with a mounting structure which is arranged on a second side and is assembled with other parts, the mounting structure is perpendicular to the first step, the first step is further provided with a strip-shaped through hole, the joint of the second step and the strip-shaped through hole is a sunken platform, and the strip-shaped through hole is used for guiding a wire of the LED substrate attached to the heat transfer part to the second side of the radiator through the sunken platform.
Furthermore, the heat dissipation plate is provided with a first fixing hole, a second fixing hole and a third fixing hole for fixing the heat dissipation plate; a first concave fixing hole is formed in the first side face of the second step; a first side face of the third ladder is provided with a sunken second fixing hole, and a second side face of the third ladder is provided with a third fixing hole.
Furthermore, the third step is provided with a plurality of radiating fins which penetrate through the first side surface and the second side surface of the radiating plate; be equipped with a plurality of water conservancy diversion holes between the radiating fin, can strengthen the circulation of air of heating panel first side and second side on the one hand, strengthen the heat convection to the reinforcing heat dissipation, on the other hand can reduce plastics material, alleviates heating panel weight.
Optionally, the heat transfer portion is provided with a positioning column for positioning the mounting position of the LED substrate and a mounting hole for mounting and fixing the LED substrate.
Optionally, the surface of the heat transfer part is further provided with a metal heat conducting sheet, and the metal heat conducting sheet and the heat dissipation plate are integrally formed by adopting a plastic-embedded aluminum process.
Optionally, the metal heat conducting sheet is an aluminum sheet.
Optionally, the copper nut is embedded in the mounting hole, on one hand, the LED substrate is fixed by tapping instead of a heat dissipation plate made of metal, but the tapping mounting mode is not suitable for plastic parts and is easy to crack, and the mounting problem that tapping is easy to crack can be solved by adopting the embedded copper nut; on the other hand, the copper nut has high heat conductivity, and in view of the fact that the mounting hole is located in the heat transfer portion or located near the heat transfer portion, the temperature is relatively high in the using process, and the high heat conductivity of the copper nut embedded in the heat-conducting plastic is utilized to rapidly transfer heat to the heat dissipation fins on the back side, so that the heat dissipation effect is enhanced to a certain extent.
Optionally, the copper nut is integrally formed with the heat dissipation plate through a plastic-aluminum embedding process.
Compared with the prior art, the method has the following beneficial effects;
adopt the integration shaping of heat conduction plastics material, compare in the aluminum product, have that matter is light, machining precision is high, processing technology is simple, integrated into one piece production efficiency is high, low in production cost's advantage, heat conduction plastics replacement aluminum product can compensate to a certain extent for the low disadvantage of aluminum product coefficient of heat conductivity, satisfies car light producer's heat dissipation requirement with the help of the high characteristics of heat conduction plastics design degree of freedom. This application satisfies the heat dispersion requirement of moulding the aluminium of replacing through the selection of the coefficient of heat conductivity scope of combining structural design and thermal-conductive plastics.
The third step is provided with a plurality of radiating fins penetrating through the first side surface and the second side surface of the radiating plate; be equipped with a plurality of water conservancy diversion holes between the radiating fin, can strengthen the circulation of air of heating panel first side and second side on the one hand, strengthen the heat convection to the reinforcing heat dissipation, on the other hand can reduce plastics material, alleviates heating panel weight.
The copper nuts are embedded in the mounting holes, so that the LED substrate is fixed by tapping instead of a metal heat dissipation plate, but the tapping mounting mode is not suitable for plastic parts and is easy to crack, and the problem of easy-cracking mounting of tapping can be solved by adopting the embedded copper nuts; on the other hand, the copper nut has high heat conductivity, and in view of the fact that the mounting hole is located in the heat transfer portion or located near the heat transfer portion, the temperature is relatively high in the using process, and the high heat conductivity of the copper nut embedded in the heat-conducting plastic is utilized to rapidly transfer heat to the heat dissipation fins on the back side, so that the heat dissipation effect is enhanced to a certain extent.
The heat conducting plastic material is adopted, the heat radiating area which is larger than that of the metal material is needed to be increased to meet the heat radiating requirement, and the heat radiating area can be increased by prolonging the heat radiating edge and/or increasing the heat radiating fins.
Drawings
FIG. 1 is a schematic view of a first side structure of an LED corner lamp heat sink according to an embodiment;
fig. 2 is a schematic view of a second side structure of the heat sink of the LED corner lamp according to the embodiment.
The reference numbers in the figures are: 1 heating panel, 101 first side, 102 second side, 103 first ladder, 104 second ladder, 105 third ladder, 2 heat transfer portion, 3 radiating fin, 4 mounting structure, 5 bar through-holes, 6 sunken platforms, 7 first fixed orificess, 8 second fixed orificess, 9 third fixed orificess, 10 water conservancy diversion holes, 11 reference column, 12 mounting holes, 13 metal conducting strip.
Detailed Description
The technical solutions of the present invention are further described below with reference to specific embodiments, and it should be noted that the specific embodiments of the present invention are not intended to limit the claims of the present invention.
Examples
The utility model provides a LED corner lamp radiator, includes heating panel 1 and the radiating fin 3 that sets up at the first side 101 and the second side 102 vertical distribution of heating panel 1, first side 101 on heating panel 1 is equipped with the heat transfer portion 2 that is used for laminating the LED base plate, heating panel 1, radiating fin 3 are the thermal conductivity plastics that coefficient of heat conductivity is 3~ 50W/(m.K) through injection molding technology integrated into one piece and material. The material has a thermal conductivity of 3-50W/(m.K), and can provide certain mechanical strength and mechanical property while ensuring sufficient heat dissipation.
The heat dissipation plate 1 is a stepped heat dissipation plate 1 and comprises a first step 103, a second step 104 and a third step 105 from high to low, the heat transfer part 2 is arranged on the second step 104, and a plurality of heat dissipation fins 3 are arranged on the second side surface 102 of the heat dissipation plate 1 corresponding to the position of the heat transfer part 2.
The heat sink comprises a first step 103, a first side surface 101, a heat radiating fin 3, a second side surface 102, a mounting structure 4 which is perpendicular to the first step 103 and is assembled with other parts, is arranged on the first step 103, a strip-shaped through hole 5 is further arranged on the first step 103, a concave platform 6 is arranged at the joint of the second step 104 and the strip-shaped through hole 5, and the strip-shaped through hole 5 is used for guiding a lead of an LED substrate attached to the heat transfer part 2 to the second side surface 102 of the heat sink through the concave platform 6.
The heat dissipation plate 1 is provided with a first fixing hole 7, a second fixing hole 8 and a third fixing hole 9 for fixing the heat dissipation plate 1; a first concave fixing hole 7 is further formed in the first side face 101 of the second step 104; a concave second fixing hole 8 is arranged at the first side surface 101 of the third step 105, and a third fixing hole 9 is arranged at the second side surface 102 of the third step 105.
The third step 105 is provided with a plurality of radiating fins 3 penetrating through the first side surface 101 and the second side surface 102 of the radiating plate 1; a plurality of flow guide holes 10 are formed between the radiating fins 3, so that on one hand, air circulation of the first side surface 101 and the second side surface 102 of the radiating plate 1 can be enhanced, heat convection is enhanced, radiating is enhanced, on the other hand, the plastic material consumption can be reduced, and the weight of the radiating plate 1 is reduced.
The heat transfer part 2 is provided with a positioning column 11 for positioning the mounting position of the LED substrate and a mounting hole 12 for mounting and fixing the LED substrate.
Wherein, the surface of the heat transfer part 2 is also provided with a metal heat conducting sheet 13, and the metal heat conducting sheet 13 and the heat dissipation plate 1 are integrally formed by adopting a plastic-embedded aluminum process.
Wherein, the metal heat conducting sheet 13 is an aluminum sheet.
On one hand, the copper nuts are embedded in the mounting holes 12 to replace the metal heat dissipation plate 1 for fixing the LED substrate through tapping, but the tapping mounting mode is not suitable for plastic parts and is easy to crack, and the problem of mounting the tapping easily cracked can be solved by adopting the embedded copper nuts; on the other hand, the copper nut has high thermal conductivity, and in view of the fact that the mounting hole 12 is located in the heat transfer portion 2 or in the vicinity of the heat transfer portion 2, the temperature is relatively high during use, and the high thermal conductivity of the copper nut embedded in the thermal conductive plastic is utilized to rapidly transfer heat to the heat dissipation fin 3 on the back surface, so that the heat dissipation effect is enhanced to a certain extent.
When the LED lamp works, heat generated by the LED substrate is transmitted to the heat transfer part 2 through the metal heat conducting sheet 13 and is transmitted to other positions of the heat dissipation plate 1 and a plurality of heat dissipation fins 3 arranged on the heat dissipation plate 1 through the heat transfer part 2.
One skilled in the art can also design and modify the specific structure of the corner lamp radiator according to the surrounding components of the corner lamp radiator according to the idea of the present application.
It should be noted that the above contents described in the present specification are only examples of the technical solution of the present invention. All according to the utility model discloses the patent design simple change or the equivalent change that do of characteristic and principle all be included in the utility model discloses a protection within range.
Claims (10)
1. The utility model provides a LED corner lamp radiator which characterized in that: including the heating panel and at the first side of heating panel and the radiating fin that the second side vertical distribution set up, first side on the heating panel is equipped with the heat transfer portion that is used for laminating the LED base plate, heating panel, radiating fin are through injection molding technology integrated into one piece and the material is the coefficient of heat conductivity and is 3~ 50W/(m.K) thermal-conductive plastic.
2. The corner lamp heat sink of claim 1, wherein: the heat dissipation plate is a step-shaped heat dissipation plate and comprises a first step, a second step and a third step from high to low, the heat transfer portion is arranged on the second step, and a plurality of heat dissipation fins are arranged on the second side face of the heat dissipation plate corresponding to the position of the heat transfer portion.
3. The corner lamp heat sink of claim 2, wherein: the LED heat radiator is characterized in that a radiating fin is arranged at a first side face on the first step, a mounting structure which is perpendicular to the first step and assembled with other parts is arranged at a second side face on the first step, a strip-shaped through hole is further arranged on the first step, a concave platform is arranged at the joint of the second step and the strip-shaped through hole, and the strip-shaped through hole is used for guiding a wire of an LED substrate, attached to the heat transfer portion, to the second side face of the heat radiator through the concave platform.
4. The corner lamp heat sink of claim 3, wherein: the heat dissipation plate is provided with a first fixing hole, a second fixing hole and a third fixing hole which are used for fixing the heat dissipation plate; a first concave fixing hole is formed in the first side face of the second step; a first side face of the third ladder is provided with a sunken second fixing hole, and a second side face of the third ladder is provided with a third fixing hole.
5. The corner lamp heat sink of claim 4, wherein: the third step is provided with a plurality of radiating fins penetrating through the first side surface and the second side surface of the radiating plate; and a plurality of flow guide holes are formed among the radiating fins.
6. The corner lamp heat sink as claimed in any one of claims 1 to 5, wherein: the heat transfer part is provided with a positioning column for positioning the LED substrate mounting position and a mounting hole for mounting and fixing the LED substrate.
7. The corner lamp heat sink as claimed in any one of claims 1 to 5, wherein: the surface of the heat transfer part is also provided with a metal heat conducting sheet, and the metal heat conducting sheet and the heat dissipation plate are integrally formed by adopting a plastic-embedded aluminum process.
8. The corner lamp heat sink of claim 7, wherein: the metal heat conducting sheet is an aluminum sheet.
9. The corner lamp heat sink of claim 6, wherein: and copper nuts are embedded in the mounting holes.
10. The corner lamp heat sink of claim 9, wherein: the copper nut and the heat dissipation plate are integrally formed through a plastic-embedded aluminum process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087148.3U CN213746575U (en) | 2020-12-19 | 2020-12-19 | LED corner lamp radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087148.3U CN213746575U (en) | 2020-12-19 | 2020-12-19 | LED corner lamp radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213746575U true CN213746575U (en) | 2021-07-20 |
Family
ID=76835937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023087148.3U Active CN213746575U (en) | 2020-12-19 | 2020-12-19 | LED corner lamp radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213746575U (en) |
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2020
- 2020-12-19 CN CN202023087148.3U patent/CN213746575U/en active Active
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