CN210485596U - Radiator and car light - Google Patents
Radiator and car light Download PDFInfo
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- CN210485596U CN210485596U CN201921276932.3U CN201921276932U CN210485596U CN 210485596 U CN210485596 U CN 210485596U CN 201921276932 U CN201921276932 U CN 201921276932U CN 210485596 U CN210485596 U CN 210485596U
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- heat
- heat sink
- heat dissipation
- fins
- radiating
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Abstract
The utility model relates to a vehicle heat dissipation equipment discloses a radiator, including being used for radiating heat dissipation base plate (1) to circuit board (3), fin (2) that rule or irregular bending shape were personally submitted to a plurality of boards of having arranged on heat dissipation base plate (1). Additionally, the utility model also discloses a car light. The utility model discloses a radiator adopts the fin that the panel was regular or irregular bending shape, under the limited circumstances in car light space, under the condition that does not change radiator occupation space, has increased heat radiating area, has improved the radiating effect of radiator to easily production preparation.
Description
Technical Field
The utility model relates to a vehicle heat-radiating equipment specifically, relates to a radiator, in addition, still relates to a car light.
Background
As a novel solid light source, the LED has the advantages of low power consumption, small volume, high response speed, long service life, energy conservation, environmental protection, safety, reliability and the like, and is widely applied to various illumination fields. However, as the power of the LED lamp increases, the generated heat also increases, and if the heat cannot be effectively dissipated, the service life of the LED is seriously reduced, and the luminous efficiency is obviously reduced.
In the field of vehicle illumination, a car lamp radiator is an indispensable important component of a car lamp module, and the optical performance and the service life of the car lamp module can be directly influenced by the quality of the heat radiation effect of the car lamp radiator.
Most of the existing car lamp radiators adopt a mode of uniformly arranging a plurality of radiating fins on a radiator body, for example, the radiator body is in a flat plate shape, a group of flat radiating fins which are arranged in order are arranged on the side surface of the flat plate shape, and the radiating fins are contacted with air, cooling water or other refrigerating media to realize the radiating; however, with the improvement of the requirement on the lighting performance of the car lamp, correspondingly, the heat dissipation effect of the radiator is also required to be higher; obviously, under the condition that the space of the car lamp module is limited, the heat dissipation effect of the flat-plate-shaped heat dissipation sheet is not ideal.
In order to achieve better heat dissipation effect, a new type of heat sink needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a radiator is provided, this radiator can improve the not ideal problem of radiating effect of flat fin to easily production preparation.
The utility model discloses further technical problem that will solve provides a car light, and this car light can have better optical property and longer life.
In order to achieve the above object, a first aspect of the present invention provides a heat sink, including a heat dissipation substrate for dissipating heat from a circuit board, wherein a plurality of heat dissipation fins having a regular or irregular curved shape are arranged on the heat dissipation substrate; the radiating fin is thick in the middle and thin on one side or two sides.
Preferably, the plate surface of the radiating fin is in a regular wave-shaped curved shape, and the arc radius of the wave-shaped curved shape is 1-5 mm.
As a preferable structure, the heat dissipating substrate is formed with a folded plate at least at one end thereof, and the heat dissipating fin is mounted on the folded plate.
Furthermore, at least one groove is formed in the edge folding plate, and the radiating fins are installed in the groove.
Specifically, the two opposite ends of the heat dissipation substrate are respectively provided with the folded plates, each folded plate is provided with one groove, and the heat dissipation fins extend into the grooves from the side faces of the heat dissipation substrate.
Typically, mounting structures for mounting threaded fasteners are formed on the heat dissipation substrate and the circuit board, the mounting structures including through-holes formed on one of the heat dissipation substrate and the circuit board and internally threaded holes formed on the other.
Further, the thickness of the heat sink decreases from the side surface of the heat dissipating substrate to the side or both sides away from the side surface.
As a preferable structure, the heat dissipation fins are connected to both side surfaces of the heat dissipation substrate, wherein the heat dissipation fins are arranged around the circuit board on the side surface of the heat dissipation substrate on which the circuit board is mounted.
The utility model discloses the second aspect provides a car light, including any one of the above-mentioned first aspect technical scheme the radiator.
Through the technical scheme, the utility model discloses a radiator adopts pertinence ground structural design to the fin for the face of fin is regular or anomalous bending, has increased the area of contact with air or coolant, has increased the heat radiating area of radiator promptly, promotes the radiating effect, moreover, on the basis of flat-plate fin, makes the face of fin regular or anomalous bending, easily produces the preparation.
Moreover, a groove can be formed in the edge position of one end of the radiating substrate in an inwards recessed mode, radiating fins are arranged in the groove, the radiating area of the radiator is further increased, and the radiating effect is further improved.
In addition, the radiating fins are thick in the middle and thin on one side or two sides, so that the thinner the radiating fins are, the more the number of the radiating fins which can be borne by the radiator with the same volume is, the further the radiating area is increased, and correspondingly, the radiating effect is further enhanced.
Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.
Drawings
FIG. 1 is a schematic diagram of a prior art lamp radiator;
fig. 2 is one of the schematic structural diagrams of an embodiment of the heat sink of the present invention;
fig. 3 is a second schematic structural diagram of an embodiment of the heat sink of the present invention;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a side view of FIG. 3;
fig. 7 is a schematic structural diagram of another embodiment of the heat sink of the present invention;
fig. 8 is a second schematic structural view of another embodiment of the heat sink of the present invention;
FIG. 9 is a front view of FIG. 8;
fig. 10 is a schematic structural view of the heat sink with the circuit board mounted thereon according to the present invention.
Description of the reference numerals
1 heat dissipation substrate 11 hem board
2 middle surface of the heat sink 21
3 circuit board 4 groove
1a mounting plate 2a flat plate-shaped heat sink
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that in the following description of the embodiments of the present invention, the terms such as orientation or positional relationship shown in the drawings are only used for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, in the prior art radiator, a plurality of flat-plate-shaped heat dissipation fins 2a are uniformly arranged on a mounting plate 1a, and although the radiator has a certain heat dissipation effect, the heat dissipation effect is not ideal under the condition that the space of a vehicle lamp module is limited and the occupied space is not changed.
In order to obtain better radiating effect, the utility model relates to a novel radiator.
As shown in fig. 2 to 10, the heat sink of the basic embodiment of the present invention includes a heat dissipating substrate 1, a plurality of heat dissipating fins 2 are installed on the heat dissipating substrate 1, the surface of the heat dissipating fins 2 is regular or irregular curved, and a circuit board 3 can be installed on the heat dissipating substrate 1 to directly dissipate heat from the circuit board 3.
The radiator of the utility model has the advantages that the surface of the radiating fin 2 is in a regular or irregular curved shape, and the contact area with the air is increased, namely the radiating area of the radiator is increased, so that the radiating effect is improved; that is, the heat dissipation area of the heat sink is increased by bending or curving the heat dissipation fins 2 to both sides, thereby improving the heat dissipation effect thereof; the size that fin 2 is buckled or is crooked to both sides does not exceed the interval between the adjacent fin 2 to can realize, under the condition that does not change original radiator occupation space, improve the radiating effect of radiator.
In order to facilitate understanding of the heat sink according to the above-mentioned basic technical solution of the present invention, the following further describes the heat sink with reference to specific structures.
Specifically, the heat sink 2 of the present invention has various specific structures, and fig. 2 to 6 show a structure of the irregularly-curved heat sink 2 formed by combining the circular arc-shaped curve and the V-shaped curve, but the structure of the irregularly-curved heat sink 2 is not limited thereto, and for example, a combination of various curved shapes such as a rectangular curve, a circular arc-shaped curve, a trapezoidal curve, and a V-shaped curve, or an irregularly-curved form formed by combining other curved shapes may be adopted as long as the heat dissipation area of the heat sink 2 can be increased; fig. 7 to 10 show a structure of a regularly curved fin 2, the plate surface of the fin 2 having a regular wavy curved shape, preferably, a radius of a circular arc of the wavy curved shape is 1 to 5 mm; through measurement and calculation, compared with the flat-plate-shaped radiating fins, the radiating area of the irregularly-bent radiating fin 2 shown in fig. 2 to 6 can be increased by 6-13%, the radiating area of the regularly-bent radiating fin 2 shown in fig. 7 to 10 can be increased by 13-20%, the radiating area of the radiating fin 2 with the plate surface in the regular wave bending shape is increased more, and the radiating effect is better.
In order to further improve the heat dissipation effect of the heat sink, a folded plate 11 may be formed at least at one end of the heat dissipation substrate 1, and the folded plate 11 may be provided with the heat dissipation fins 2, that is, 1 to 4 folded plates 11 may be formed at the peripheral edge of the heat dissipation substrate 1 according to the required number; fig. 2 shows a specific form of the structure in which the end portion of the heat-dissipating substrate 1 is formed as the folded plate 11, and even if the opposite ends of the heat-dissipating substrate 1 are folded to form a pair of folded plates 11, the heat-dissipating effect can be further enhanced.
As a preferred embodiment, referring to fig. 3, 4 and 10, a pair of folding plates 11 formed by bending opposite ends of the heat dissipation substrate 1 may be recessed to form grooves 4, and the number of the grooves 4 provided on one folding plate 4 may be selected as required; the heat radiating fins 2 are arranged in the grooves 4, so that the heat radiating fins 2 are closer to the circuit board 3, and the heat radiating function is better exerted; specifically, respectively be formed with a recess 4 on a pair of hem board 11 that the both ends bending type that the heat dissipation base plate 1 is relative formed, fin 2 can be by in heat dissipation base plate 1 side extends to recess 4, that is to say the utility model discloses an in the technical conception scope, every fin 2 can adopt the integrated into one piece structure, also can adopt the components of a whole that can function independently structure, selects according to the needs of design and production. Alternatively, as shown in fig. 10, a through-hole may be provided in one of the recesses 4, through which an external connector may be connected to the connector on the circuit board 3.
The utility model discloses a radiator can be through various concrete mounting structure with circuit board 3 fixed to heat dissipation base plate 1 on, typically, see fig. 10, be formed with the mounting structure who is used for installing threaded fastener on heat dissipation base plate 1 and the circuit board 3, mounting structure is including forming the perforation on one of heat dissipation base plate 1 and circuit board 3 and forming the internal thread hole on the other, passes through threaded fastener such as bolt, screw and perforates with the internal thread hole messenger circuit board 3 is fixed to heat dissipation base plate 1 on.
Further, in order to better improve the heat dissipation effect of the heat sink, the heat sink is designed from the perspective of increasing the number of the heat dissipation fins 2, and is different from the technical means of simply increasing the number of the heat dissipation fins 2, and the heat dissipation fins 2 are creatively designed into a shape with a thick middle part and a thin one side or two sides; specifically, referring to fig. 5, one side surface of the heat dissipation substrate 1 is selected as the middle surface 21, and the "shape with thick middle, thin one side or both sides" means that the thickness of the heat dissipation sheet 2 mounted on the heat dissipation substrate 1 is reduced from the middle surface 21 to the side away from the middle surface 21, and the thickness of the heat dissipation sheet 2 mounted on the folded plate 11 can be reduced from the middle surface 21 to the side away from the middle surface 21 or both sides, so that the thinner the heat dissipation sheet 2 is, the greater the number of heat dissipation sheets 2 that can be carried by a heat sink with the same volume is, and the heat dissipation area is correspondingly increased; that is, in the casting, the thickness of the fin 2 is made thinner in the fin 2 by drawing the fin from the intermediate surface 21 to one side or both sides than in the fin 2 from one end to the other end.
As can be seen from the above, the heat sink of the basic technical solution of the present invention adopts the way of arranging the heat sink 2 on the heat dissipation substrate 1, the plurality of plates of which are in regular or irregular curved shapes, so that the heat dissipation area is increased and the heat dissipation effect is improved under the condition of limited space of the car lamp module; the basic technical scheme of the utility model is designed in a targeted optimization manner from two aspects, namely, the structure of the heat dissipation substrate 1 is changed, namely, the folding plate 11 and the groove 4 are arranged on the heat dissipation substrate 1, so that more heat dissipation fins 2 can be arranged, and the heat dissipation area is further increased; secondly, the number of the radiating fins 2 is increased, that is, the thickness of the radiating fins 2 is changed, referring to fig. 10, when casting, the mode of drawing from the middle surface 21 to one side or two sides is adopted, so that the thickness of the radiating fins 2 becomes thinner, the thinner the radiating fins 2 are, the more the number of the radiating fins 2 which can be carried by the radiator with the same volume is, and the radiating area is correspondingly increased, that is, the radiating effect of the radiator is improved under the condition that the occupied space of the original radiator is not changed.
As a preferred embodiment, the heat dissipation fins 2 are connected to both sides of the heat dissipation substrate 1, so that the heat dissipation fins 2 are fully distributed on one side of the heat dissipation substrate 1, the heat dissipation fins 2 are also distributed on the other side thereof, and the heat dissipation fins 2 on the other side are arranged around the circuit board 3, so that the heat dissipation area can be increased and the heat dissipation effect can be enhanced even if the corrugated board 11 and the grooves 4 are not provided.
The heat radiator of the preferred embodiment of the utility model comprises a heat radiation substrate 1, a plurality of heat radiation fins 2 are arranged on the heat radiation substrate 1, the surfaces of the heat radiation fins 2 are in regular or irregular bending shapes, under the condition that the space of the car lamp module is limited, the heat radiation area is increased, and the heat radiation effect is improved; furthermore, a pair of folding plates 11 can be bent at two opposite ends of the heat dissipation substrate 1, a groove 4 is formed on each folding plate 11 in a concave mode, and the heat dissipation fins 2 are arranged on the folding plates 11 and in the grooves 4, so that the heat dissipation area is further increased, the heat dissipation effect is improved, and the structures of the folding plates 11 and the grooves 4 are beneficial to increasing the structural strength of the heat dissipation substrate 1; in addition, during casting, a mode of drawing a die from the middle surface 21 to one side or two sides can be adopted, so that the thickness of the radiating fins 2 becomes thinner, and the thinner the radiating fins 2 are, the larger the number of the radiating fins 2 which can be carried by the radiator with the same volume is, and the radiating area is correspondingly increased; when the plate surfaces of the radiating fins 2 are in a regular wavy bent shape, the arc radius of the wavy bent shape is 1-5mm, the wavy bent shape can better adapt to the gap between the adjacent radiating fins 2, and the radiating effect of the radiator is improved under the condition that the occupied space of the original radiator is not changed.
The utility model discloses a car light, including above-mentioned any technical scheme the radiator. All technical solutions of all the embodiments are adopted, so that at least all beneficial effects brought by the technical solutions of the embodiments are achieved.
Wherein, the radiator can be connected with the structure in the car lamp through the perforation on the radiating substrate 1.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (9)
1. A radiator comprises a radiating substrate (1) for radiating a circuit board (3), and is characterized in that a plurality of radiating fins (2) with regular or irregular bent plate surfaces are distributed on the radiating substrate (1); the radiating fin (2) is thick in the middle and thin on one side or two sides.
2. A radiator according to claim 1, characterised in that the plate surface of the fins (2) is in the shape of a regular undulating curve with a radius of the arc of 1-5 mm.
3. A heat sink according to claim 1, wherein the heat-dissipating substrate (1) is formed at least at one end thereof with a flange plate (11), and the heat-dissipating fins (2) are mounted on the flange plate (11).
4. A heat sink according to claim 3, wherein the edge folding plate (11) is formed with at least one groove (4), and the heat dissipating fins (2) are mounted in the groove (4).
5. The heat sink according to claim 4, wherein the heat-dissipating substrate (1) has the folded plates (11) at opposite ends thereof, each folded plate (11) is provided with one of the grooves (4), and the heat-dissipating fins (2) extend from the side of the heat-dissipating substrate (1) into the grooves (4).
6. The heat sink according to any one of claims 1 to 5, wherein mounting structures for mounting threaded fasteners are formed on the heat dissipation substrate (1) and the circuit board (3), the mounting structures including through holes formed on one of the heat dissipation substrate (1) and the circuit board (3) and internally threaded holes formed on the other.
7. A heat sink according to claim 1, wherein the thickness of the heat sink fins (2) decreases from the side of the heat-dissipating substrate (1) to the side or sides remote therefrom.
8. A heat sink according to claim 1, wherein the heat sink fins (2) are connected to both sides of the heat sink base plate (1), wherein the heat sink fins (2) are arranged around the circuit board (3) on the side of the heat sink base plate (1) on which the circuit board (3) is mounted.
9. A vehicle lamp characterized by comprising the heat sink according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276932.3U CN210485596U (en) | 2019-08-05 | 2019-08-05 | Radiator and car light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276932.3U CN210485596U (en) | 2019-08-05 | 2019-08-05 | Radiator and car light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210485596U true CN210485596U (en) | 2020-05-08 |
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ID=70534876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276932.3U Active CN210485596U (en) | 2019-08-05 | 2019-08-05 | Radiator and car light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210485596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023088364A1 (en) * | 2021-11-19 | 2023-05-25 | 南通苏禾车灯配件有限公司 | Headlight radiator |
-
2019
- 2019-08-05 CN CN201921276932.3U patent/CN210485596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023088364A1 (en) * | 2021-11-19 | 2023-05-25 | 南通苏禾车灯配件有限公司 | Headlight radiator |
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