CN211780849U - Heat radiation structure for light source inside automobile headlamp - Google Patents
Heat radiation structure for light source inside automobile headlamp Download PDFInfo
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- CN211780849U CN211780849U CN202020763127.XU CN202020763127U CN211780849U CN 211780849 U CN211780849 U CN 211780849U CN 202020763127 U CN202020763127 U CN 202020763127U CN 211780849 U CN211780849 U CN 211780849U
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Abstract
The utility model discloses a heat radiation structure for inside light source of car headlight relates to the automotive lighting technology field. The utility model discloses a lamp is, wick, light source body and high heat conduction reflector, and the inside of lamp handle is provided with the wick, and the light source body is installed to the one end of wick, and the bottom of lamp handle is provided with high heat conduction reflector, and the screw thread seat is installed to high heat conduction reflector upper end. The utility model discloses a set up rectangle aluminum alloy radiating fin, fan-shaped aluminum alloy radiating fin, aluminium base board, temperature-uniforming plate and heat conduction glue, rectangle aluminum alloy radiating fin and fan-shaped aluminum alloy radiating fin cross fit, can be at the effective heat radiating area who increases the light source, aluminium base board, temperature-uniforming plate and heat conduction glue three's heat-conduction efficiency height, can evenly conduct the heat that light source department produced to the radiating fin on, then evenly dispel through radiating fin, it is even to have solved current technical heat dissipation distribution, the heat is concentrated easily, the poor and inconvenient problem of installation of radiating effect.
Description
Technical Field
The utility model belongs to the technical field of the automotive lighting, especially, relate to a heat radiation structure for inside light source of car headlight.
Background
The automobile is a common vehicle in our daily life, the automobile has been integrated into our life and becomes an indispensable object in our life, the automobile headlamp, also called automobile headlamp, as the eyes of the automobile, not only relates to the external image of an automobile owner, but also is closely related to safe driving under night driving or bad weather conditions, the importance of the automobile lamp to driving at night is not obvious, but the automobile headlamp often burns out due to poor heat dissipation in the using process, and may cause spontaneous combustion of the automobile when serious, and seriously threatens the life safety of drivers and passengers, therefore, manufacturers of the existing automobile headlamps design various automobile lamps aiming at the heat dissipation problem of the automobile lamp, but most of the heat dissipation modes achieve the purpose of improving the heat dissipation by additionally arranging a fan or simply arranging a heat dissipation fin on the shell of the automobile lamp, but the additionally arranged fan inevitably increases the volume of the automobile lamp, need reserve great installation space in the car storehouse to be not applicable to the vehicle safety that the space is little, and fan operation aggravates the vehicle power consumptive, the fan operation also can produce the heat, and the mode that sets up radiating fin though can stop the drawback of above-mentioned mode, but prior art radiating fin heat dissipation distributes inadequately, causes local heat to concentrate easily, and the radiating effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat radiation structure for inside light source of car headlight, through setting up rectangle aluminum alloy radiating fin, fan-shaped aluminum alloy radiating fin, aluminium base board, temperature-uniforming plate and heat conduction glue, rectangle aluminum alloy radiating fin and fan-shaped aluminum alloy radiating fin cross fit, can be at the effective heat radiating area who increases the light source, aluminium base board, temperature-uniforming plate and heat conduction glue three's heat conduction efficiency height, can evenly conduct the heat that light source department produced to the radiating fin on, then evenly dispel through radiating fin, it is even to have solved current technical heat dissipation distribution, the heat is concentrated easily, the radiating effect is poor and install inconvenient problem.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a heat dissipation structure for the light source inside the automobile headlight, which comprises a lamp handle, a lamp core, a light source body and a high heat conduction reflector, a lamp wick is arranged in the lamp handle, a light source body is arranged at one end of the lamp wick, a high-heat-conductivity reflecting bowl is arranged at the bottom of the lamp handle, the upper end of the high heat conduction reflector is provided with a threaded seat which is in threaded connection with the bottom end of the lamp handle, the high-heat-conductivity reflector comprises an aluminum substrate and a temperature-equalizing plate, the temperature-equalizing plate is arranged on the outer side of the aluminum substrate, and heat-conducting glue is arranged between the aluminum substrate and the temperature-equalizing plate, the aluminum substrate and the temperature-equalizing plate are fixedly connected through the heat-conducting glue, the inner wall of the aluminum substrate is provided with a high heat conduction reflective coating, the outer wall of the high heat conduction reflective bowl is provided with a plurality of rectangular aluminum alloy radiating fins at equal intervals, and a plurality of fan-shaped aluminum alloy radiating fins are welded between the rectangular aluminum alloy radiating fins.
Further, the bottom of high heat conduction reflector is provided with the screw thread inner circle, the outside of screw thread inner circle is provided with the screw thread outer lane, screw thread outer lane and screw thread inner circle threaded connection, install the light lens in the screw thread outer lane, the screw thread cooperation of screw thread inner circle and screw thread outer lane can conveniently be dismantled and install the car headlight, is convenient for overhaul the headlight, and the light lens can make light source light concentrate more, and the illuminating effect is better.
Furthermore, the average distance between the vertically adjacent fan-shaped aluminum alloy radiating fins is 15mm, so that the fan-shaped aluminum alloy radiating fins can be conveniently in heat transfer with ambient air in a wider range, and enough radiating area can be ensured.
Furthermore, the fan-shaped aluminum alloy radiating fins and the rectangular aluminum alloy radiating fins are welded in a mutually perpendicular mode, the height of the fan-shaped aluminum alloy radiating fins is equal to that of the rectangular aluminum alloy radiating fins, and the fan-shaped aluminum alloy radiating fins and the rectangular aluminum alloy radiating fins are vertically distributed, so that the space formed by the fan-shaped aluminum alloy radiating fins and the rectangular aluminum alloy radiating fins in a crossed mode is kept consistent, the radiating of all positions of the radiating fins is uniform, and the radiating speed is increased.
Furthermore, the thicknesses of the aluminum substrate and the temperature equalizing plate are respectively 1.0-1.5mm and 2.0-2.5mm, the thicknesses of the heat conducting glue are respectively 0.05mm, the overall thickness of the high heat conducting reflector is consistent with that of the threaded seat, the thickness range of each layer is controlled, the layers can play due roles, material waste is avoided, and meanwhile the importance of the headlamp can be reduced.
Furthermore, the length of the rectangular aluminum alloy radiating fin is 80mm, the height of the rectangular aluminum alloy radiating fin is 30mm, the thickness of the rectangular aluminum alloy radiating fin is 3mm, the average distance between every two adjacent rectangular aluminum alloy radiating fins is 5mm, and the rectangular aluminum alloy radiating fin with the size is set in consideration of the fact that the size of the car lamp is limited, and the car lamp is convenient to install.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up rectangle aluminum alloy radiating fin and fan-shaped aluminum alloy radiating fin, rectangle aluminum alloy radiating fin and fan-shaped aluminum alloy radiating fin cross arrangement, it compares to compare to only set up one row of radiating fin present, can make the heat radiating area of light source bigger, can accelerate radiating rate, improves the radiating efficiency.
2. The utility model discloses a set up aluminium base board, temperature-uniforming plate and heat conduction glue, during the use, the light source is luminous to shine and produces the heat on the reflector, the heat is transmitted aluminium base board through transmitting high heat conduction reflective coating, transmit the temperature-uniforming plate by aluminium base board dispersion again, evenly transmit on the radiating fin through the temperature-uniforming plate, radiate by radiating fin again, can make the heat that transmits on each radiating fin more even like this, avoid local heat to concentrate to be difficult to the short time and radiate, improve radiating efficiency and ability.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present invention;
FIG. 3 is an overall external view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a lamp handle; 2. a lamp wick; 3. a light source body; 4. a high thermal conductivity reflector; 5. a threaded inner ring; 6. a threaded outer ring; 7. a light lens; 8. a threaded seat; 9. rectangular aluminum alloy radiating fins; 10. fan-shaped aluminum alloy radiating fins; 11. an aluminum substrate; 12. a temperature equalizing plate; 13. heat conducting glue; 14. high heat conduction reflective coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 3, the present invention is a heat dissipation structure for an internal light source of an automobile headlamp, including a lamp handle 1, a lamp wick 2, a light source body 3 and a high thermal conductivity reflector 4, the lamp handle 1 is provided with the lamp wick 2 therein, one end of the lamp wick 2 is provided with the light source body 3, the bottom of the lamp handle 1 is provided with the high thermal conductivity reflector 4, the upper end of the high thermal conductivity reflector 4 is provided with a screw base 8, the screw base 8 is in threaded connection with the bottom end of the lamp handle 1, the outer wall of the high thermal conductivity reflector 4 is provided with a plurality of rectangular aluminum alloy heat dissipation fins 9 at equal intervals, a plurality of fan-shaped aluminum alloy heat dissipation fins 10 are welded between the plurality of rectangular aluminum alloy heat dissipation fins 9, the bottom of the high thermal conductivity reflector 4 is provided with a threaded inner ring 5, the outer side of the threaded inner ring 6 is provided with the threaded outer ring 6, the threaded outer, the average distance between the upper and lower adjacent fan-shaped aluminum alloy radiating fins 10 is 15mm, the fan-shaped aluminum alloy radiating fins 10 and the rectangular aluminum alloy radiating fins 9 are vertically welded, the height of the fan-shaped aluminum alloy radiating fins 10 is equal to that of the rectangular aluminum alloy radiating fins 9, the length of the rectangular aluminum alloy radiating fins 9 is 80mm, the height of the rectangular aluminum alloy radiating fins 9 is 30mm, the thickness of the rectangular aluminum alloy radiating fins is 3mm, the average distance between the two adjacent rectangular aluminum alloy radiating fins 9 is 5mm, when the high-heat-conductivity reflector 4 is used, most of light emitted by the light source body 3 can irradiate the high-heat-conductivity reflector 4, most of light is reflected by the high-heat-conductivity reflector 4, and the temperature of the high-heat-conductivity reflector 4 is increased when a small part of light is reflected, then the heat is uniformly dispersed and guided out through each heat conducting layer in the high, then the heat exchange is carried out between the rectangular aluminum alloy radiating fins 9 and the fan-shaped aluminum alloy radiating fins 10 and the surrounding air to realize the quick heat dissipation.
Referring to fig. 2, the high thermal conductivity reflector 4 includes an aluminum substrate 11 and a temperature-equalizing plate 12, the temperature-equalizing plate 12 is disposed outside the aluminum substrate 11, a thermal conductive adhesive 13 is disposed between the aluminum substrate 11 and the temperature-equalizing plate 12, the aluminum substrate 11 and the temperature-equalizing plate 12 are fixedly connected by the thermal conductive adhesive 13, a high thermal conductivity reflective coating 14 is disposed on an inner wall of the aluminum substrate 11, thicknesses of the aluminum substrate 11 and the temperature-equalizing plate 12 are respectively 1.0-1.5mm and 2.0-2.5mm, thicknesses of the thermal conductive adhesive 13 are respectively 0.05mm, after heat is generated on the high thermal conductivity reflector 4, the heat first reaches the aluminum substrate 11 through the high thermal conductivity reflective coating 14, the heat is further dispersed by the aluminum substrate 11, then the heat is transferred to the temperature-equalizing plate 12 by the thermal conductive adhesive 13, and the heat is uniformly dispersed by the temperature-equalizing plate 12 and is dissipated by the heat dissipation fins.
It should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are only preferred embodiments of the present invention, and do not limit the present invention.
Claims (6)
1. The utility model provides a heat radiation structure for inside light source of car headlight, includes lamp (1), wick (2), light source body (3) and high heat conduction reflector (4), its characterized in that: the LED lamp is characterized in that a lamp core (2) is arranged inside the lamp handle (1), a light source body (3) is installed at one end of the lamp core (2), a high-heat-conduction reflector (4) is arranged at the bottom of the lamp handle (1), a threaded seat (8) is installed at the upper end of the high-heat-conduction reflector (4), the threaded seat (8) is in threaded connection with the bottom end of the lamp handle (1), the high-heat-conduction reflector (4) comprises an aluminum substrate (11) and a temperature-equalizing plate (12), the temperature-equalizing plate (12) is arranged on the outer side of the aluminum substrate (11), heat-conducting glue (13) is arranged between the aluminum substrate (11) and the temperature-equalizing plate (12), the aluminum substrate (11) and the temperature-equalizing plate (12) are fixedly connected through the heat-conducting glue (13), a high-heat-conduction reflection coating (14) is arranged on the inner wall of the aluminum substrate (11), and a plurality of rectangular aluminum alloy radiating fins (, a plurality of fan-shaped aluminum alloy radiating fins (10) are welded among the plurality of rectangular aluminum alloy radiating fins (9).
2. The heat dissipation structure for the internal light source of the automobile headlamp is characterized in that a threaded inner ring (5) is arranged at the bottom end of the high-thermal-conductivity reflector (4), a threaded outer ring (6) is arranged on the outer side of the threaded inner ring (5), the threaded outer ring (6) is in threaded connection with the threaded inner ring (5), and a lamp lens (7) is installed in the threaded outer ring (6).
3. The heat dissipating structure for an interior light source of an automobile headlamp according to claim 1, wherein the average distance between the upper and lower adjacent heat dissipating fins (10) of the fan-shaped aluminum alloy is 15 mm.
4. The heat dissipation structure for the internal light source of the automobile headlamp is characterized in that the fan-shaped aluminum alloy heat dissipation fins (10) and the rectangular aluminum alloy heat dissipation fins (9) are welded perpendicularly to each other, and the height of the fan-shaped aluminum alloy heat dissipation fins (10) is equal to that of the rectangular aluminum alloy heat dissipation fins (9).
5. The heat dissipation structure for the internal light source of the automobile headlamp is characterized in that the thicknesses of the aluminum substrate (11) and the temperature equalizing plate (12) are respectively 1.0-1.5mm and 2.0-2.5mm, the thickness of the heat conducting glue (13) is respectively 0.05mm, and the overall thickness of the high-heat-conductivity reflector (4) is consistent with the thickness of the threaded seat (8).
6. The heat dissipation structure for an interior light source of an automobile headlamp according to claim 1, wherein the rectangular aluminum alloy heat dissipation fins (9) have a length of 80mm, a height of 30mm and a thickness of 3mm, and an average distance between two adjacent rectangular aluminum alloy heat dissipation fins (9) is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763127.XU CN211780849U (en) | 2020-05-09 | 2020-05-09 | Heat radiation structure for light source inside automobile headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763127.XU CN211780849U (en) | 2020-05-09 | 2020-05-09 | Heat radiation structure for light source inside automobile headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211780849U true CN211780849U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020763127.XU Active CN211780849U (en) | 2020-05-09 | 2020-05-09 | Heat radiation structure for light source inside automobile headlamp |
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| CN (1) | CN211780849U (en) |
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2020
- 2020-05-09 CN CN202020763127.XU patent/CN211780849U/en active Active
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