CN216814042U - Direct insertion type LED car lamp - Google Patents
Direct insertion type LED car lamp Download PDFInfo
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- CN216814042U CN216814042U CN202220723771.3U CN202220723771U CN216814042U CN 216814042 U CN216814042 U CN 216814042U CN 202220723771 U CN202220723771 U CN 202220723771U CN 216814042 U CN216814042 U CN 216814042U
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- heat dissipation
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Abstract
The utility model provides a direct-insertion type LED car lamp which comprises a heat dissipation shell, wherein a substrate and a driving plate are arranged in the heat dissipation shell, LED chip groups are respectively arranged on two sides of the substrate, a fan is arranged between the substrate and the driving plate, the driving plate is vertical to an air outlet surface of the fan, the substrate is vertical to an air inlet surface of the fan, and the driving plate is electrically connected with the substrate through a flexible connecting piece; the flexible connecting piece sets up with the fan interval, and the heat dissipation shell includes fixed connection's first cylinder and second cylinder, and the base plate is located first cylinder, and the fan is located the second cylinder, and the air inlet portion has been seted up to one side that the second cylinder is close to the base plate, establishes to having air-out portion on the lateral wall of second cylinder, and air-out portion is located the below of fan, and the LED chipset is close to the air inlet face setting of fan. The fan is closer to the LED chip and can directly radiate the LED chip and the substrate, so that the radiating effect is greatly improved, and the service life of the LED chip is prolonged.
Description
Technical Field
The utility model relates to the field of lamp and automobile manufacturing, in particular to a direct-insert LED automobile lamp.
Background
Currently, LED vehicle lamps have the characteristics of low voltage, uniform light emission, long service life, and capability of lighting immediately and emitting neutral light, and have relatively better advantages compared with the mainstream halogen lamps and high-intensity discharge (HID) lamps used as the light sources of the existing vehicle lamps. The driving safety is high, and the LED is widely applied to automobile lamps.
However, the LED chip that the LED lamp used produces a large amount of heats at the during operation, in case the temperature of LED chip is too high, the phenomenon that the LED chip burns out appears easily, influence the life of LED car light, LED car light on the market is because structural design is incomplete, fail to effectively conduct away the produced heat of high power LED light source smoothly, the radiating effect is poor, the life of car light has been reduced, make luminous efficiency low and the performance unstable, and simultaneously, frequent change LED lamp, driver's cost of using the car has been increased. Therefore, how to solve the problem of heat dissipation of the LED chip becomes a key technology of the LED car lamp, and is also a key factor for improving the power of the LED car lamp.
The existing LED car lamp comprises a radiator and a substrate, wherein the radiator is provided with a plurality of radiating fins and at least one light-transmitting window, at least one part of the substrate is positioned in the radiator, two opposite surfaces of the substrate are respectively provided with an LED chip, the LED chips are positioned in the light-transmitting windows, and the substrate is thermally connected with the radiator; the LED vehicle lamp comprises a base plate, a radiator and a radiating fin, wherein the radiator is internally provided with a fan, the fan is positioned below the base plate in the mounting direction perpendicular to the integrated LED vehicle lamp, the radiating fin is positioned above the fan, and the blowing direction of the fan is perpendicular to the mounting direction. However, the air path formed by the air outlet surface and the air inlet surface of the fan is located below the LED chip, only the heat can be dissipated towards the substrate, the LED chip cannot be directly dissipated, the heat dissipation effect is limited, and the service life is short.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide an LED chip with good heat dissipation effect and long service life.
In order to achieve the purpose, the direct insertion type LED vehicle lamp provided by the utility model comprises a heat dissipation shell, wherein a substrate and a driving plate are arranged in the heat dissipation shell, LED chip groups are respectively arranged on two sides of the substrate, a fan is arranged between the substrate and the driving plate, the driving plate is perpendicular to an air outlet surface of the fan, the substrate is perpendicular to an air inlet surface of the fan, and the driving plate is electrically connected with the substrate through a flexible connecting piece. The flexible connecting piece sets up with the fan interval, and the heat dissipation shell includes fixed connection's first cylinder and second cylinder, and the base plate is located first cylinder, and fan and drive plate all are located the second cylinder, and the second cylinder is close to one side of base plate and has seted up air inlet portion, establishes to having air-out portion on the lateral wall of second cylinder, and air-out portion is located the below of fan, and the LED chipset is close to the air inlet face setting of fan.
From top to bottom, through setting up the fan between base plate and drive plate, LED chip on the base plate is close to the fan setting, and the air inlet face of fan just to the LED chip, the LED chip is located the top of air inlet face, the heat that the fan produced the car light during operation LED chip and the heat on the base plate are quick leads away for the heat that the LED chip produced is quick gives off, has promoted radiating effect greatly, avoids the high temperature of base plate and influences LED chip work.
The further scheme is that the heat dissipation shell is attached to the surface of the substrate, the air outlet portion comprises a heat dissipation body fixedly connected with the inner wall of the second column body, the length of the heat dissipation body extends along the direction perpendicular to the width of the drive board, the heat dissipation body and the drive board are arranged at intervals, the heat dissipation body comprises a plurality of fin portions arranged at intervals, a first air channel and a second air channel are formed between adjacent fin portions, the second air channel is communicated with the outside through the first air channel, and the first air channel is communicated with the air outlet of the fan through the second air channel.
From top to bottom, can increase the area quick heat dissipation of heat dissipation shell and outside air contact through a plurality of fin portions that set up, dispel the heat fast.
The second cylinder is internally provided with a containing cavity, the fan and the drive plate are both arranged in the containing cavity, the first end of the first air channel is communicated with the outside, the second end of the first air channel is communicated with the second air channel, the first end of the second air channel is communicated with the containing cavity, and the second end of the second air channel is communicated with the air outlet of the fan.
In a further scheme, the first air duct is perpendicular to the second air duct.
The further proposal is that the second air channel is vertical to the air outlet surface of the fan.
From top to bottom, through second wind channel and first wind channel intercommunication, the both ends in second wind channel communicate the air outlet of fan respectively with hold the chamber, first wind channel is with second wind channel and external intercommunication respectively, not only can give off the heat on LED chip and the base plate to the external world, can also be with on the drive plate with hold the heat conduction of intracavity to the external world simultaneously.
The further scheme is that a chuck is formed on the outer wall of the heat dissipation shell and is positioned below the heat dissipation body.
It can be seen from above that, through setting up chuck and heat dissipation shell as an organic whole, easy to assemble.
The further scheme is that a chuck is formed on the outer wall of the heat dissipation shell and is positioned between the heat dissipation body and the fan.
It can be seen from above that, through setting up the chuck between radiator and fan, make things convenient for the air in the car light and external air to exchange.
The further scheme is that the coaxial line of first cylinder and second cylinder sets up, and the outside protrusion of lateral wall of first cylinder is formed with a convex wall portion, and convex wall position is in the junction of first cylinder and second cylinder, is formed with the mounting groove in the convex wall portion, and the axle center of fan deviates from the axis of first cylinder, and flexible connecting piece installs in the mounting groove.
From top to bottom, thereby the axis setting through deviating the heat dissipation shell with the axle center of fan forms the portion of holding of installation flexonics, can the effectual volume that reduces the car light, satisfies miniaturized demand.
The further proposal is that an air path is formed on the air inlet surface of the fan, and the flexible connecting piece is parallel to the air path.
Further, the flexible connector comprises a wire or a flexible circuit board.
To sum up, this scheme sets up through the air inlet face that is close to the fan with the LED chip, can be quick derive the heat that the LED chip produced to the external world, realize the quick heat dissipation to the LED chip, set up the heat radiating area that the radiator can increase the heat dissipation casing simultaneously, better heat dissipation to the axis setting of the skew heat dissipation shell in axle center of fan, the flexible connection spare of easy to assemble has effectually reduced the holistic volume of car light, satisfies miniaturized demand.
Drawings
FIG. 1 is a perspective view of an embodiment of the in-line LED vehicle light of the present invention.
FIG. 2 is an exploded view of an in-line LED vehicle light embodiment of the present invention.
FIG. 3 is a cross-sectional view of an embodiment of the in-line LED vehicle light of the present invention.
FIG. 4 is a perspective view of a heat sink housing of an embodiment of the in-line LED vehicle light of the present invention.
Detailed Description
Referring to fig. 1 to 4, the direct-insert LED car light provided by this embodiment includes a heat dissipation housing 1, a substrate 2 and a driving board 5 are disposed in the heat dissipation housing 1, LED chip sets 20 are disposed on two sides of the substrate 2 respectively, the LED chip sets 20 include more than one LED chip, light distribution portions 4 having the same number as and corresponding to the LED chip sets 20 are further formed on the heat dissipation housing 1, one LED chip set 20 is located in one light distribution portion 4, a fan 3 is disposed between the substrate 2 and the driving board 5, the driving board 5 is perpendicular to an air outlet surface 31 of the fan 3, the substrate 2 is perpendicular to an air inlet surface 30 of the fan 3, the driving board 5 is electrically connected to the substrate 2 through a flexible connector 7, the flexible connector 7 is disposed at an interval with the fan 3, the heat dissipation housing 1 includes a first column 10 and a second column 11 which are fixedly connected, the substrate 2 is located in the first column 10, and both the fan 3 and the driving board 5 are located in the second column 11, an air inlet part 111 is formed in one side, close to the substrate 2, of the second column body 11, an air outlet part 112 is formed in the side wall of the second column body 11, the air outlet part 112 is located below the fan 3, and the LED chip group 20 is arranged close to an air inlet surface 30 of the fan 3. The heat dissipation housing 1 is attached to the surface of the substrate 2, the air outlet portion 112 includes a heat dissipation body 110 fixedly connected to the inner wall of the second column 11, the length of the heat dissipation body 110 extends along a direction perpendicular to the width of the driving board 5, the heat dissipation body 110 and the driving board 5 are arranged at intervals, the heat dissipation body 110 includes a plurality of fin portions 1100 arranged at intervals, a first air channel 1120 and a second air channel 1121 are formed between adjacent fin portions 1100, the second air channel 1121 is communicated with the outside through the first air channel 1120, and the first air channel 1120 is communicated with an air outlet of the fan through the second air channel 1121.
Referring to fig. 2 to 4, a containing cavity 12 is formed in the second column 11, the fan 3 and the drive plate 5 are both installed in the containing cavity 12, a first end of the first air duct 1120 is communicated with the outside, a second end of the first air duct is communicated with the second air duct 1121, a first end of the second air duct 1121 is communicated with the containing cavity 12, a second end of the second air duct 1121 is communicated with an air outlet of the fan 3, the first air duct 1120 is perpendicular to the second air duct 1121, the second air duct 1121 is perpendicular to the air outlet surface 31 of the fan 3, a chuck 113 is formed on the outer wall of the heat dissipation housing 1, and the chuck 113 is located below the heat dissipation body 110. Alternatively, the chuck 113 is located between the heating body 110 and the fan 3.
Referring to fig. 1 and 2 in combination with fig. 4, in the present embodiment, the first cylinder 10 and the second cylinder 11 are coaxially disposed, a protruding wall portion 14 is formed on the side wall of the first cylinder 10 in an outward protruding manner, the protruding wall portion 14 is located at the connection position of the first cylinder 10 and the second cylinder 11, an installation groove 140 is formed in the protruding wall portion 14, the axis of the fan 3 is offset from the axis of the first cylinder 10, and the flexible connecting member 7 is installed in the installation groove 140. An air passage is formed on the air inlet surface 30 of the fan 3, and the flexible connecting piece 7 is parallel to the air passage. In this embodiment, the flexible connector 7 is a flexible circuit board. Alternatively, it may be an existing flexible connector such as a wire.
Referring to fig. 2 and 4, in the present embodiment, the heat dissipation housing 1 is formed by assembling a first heat dissipation housing 100 and a second heat dissipation housing 101, and the first heat dissipation housing 100 and the second heat dissipation housing 101 are assembled by using bolts and screw holes. Alternatively, the first heat dissipation housing 100 and the second heat dissipation housing 101 may be fixedly connected by using an existing assembling method, which is not described herein again. The base plate is provided with a first positioning groove group, the first positioning groove group comprises a first positioning piece 20 and two limiting holes 21, two limiting columns 1010 are correspondingly formed on the second heat dissipation shell 101, one limiting column 1010 is correspondingly matched with one limiting hole 21 to limit and fix the base plate 2, two second positioning pieces 51 are formed on the drive plate 5, and the number of the screw holes is the same as that of the first positioning piece 20 and the second positioning piece 51 and is correspondingly arranged. Alternatively, the first positioning member 20 and the second positioning member 51 may be holes or slots.
To sum up, this scheme sets up through the air inlet face that is close to the fan with the LED chip, can be quick derive the heat that the LED chip produced to the external world, realize the quick heat dissipation to the LED chip, set up the heat radiating area that the radiator can increase the heat dissipation casing simultaneously, better heat dissipation to the axis setting of the skew heat dissipation shell in axle center of fan, the flexible connection spare of easy to assemble has effectually reduced the holistic volume of car light, satisfies miniaturized demand.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the utility model are possible to those skilled in the art, without departing from the spirit and scope of the utility model.
Claims (10)
1. A direct-insertion type LED car lamp comprises a heat dissipation shell, wherein a base plate and a driving plate are arranged in the heat dissipation shell, LED chip groups are respectively arranged on two sides of the base plate, a fan is arranged between the base plate and the driving plate, the driving plate is perpendicular to an air outlet surface of the fan, the base plate is perpendicular to an air inlet surface of the fan, and the driving plate is electrically connected with the base plate through a flexible connecting piece;
the method is characterized in that:
the utility model discloses a fan, including heat dissipation shell, fan, drive plate, flexible connecting piece with the fan interval sets up, heat dissipation shell includes fixed connection's first cylinder and second cylinder, the base plate is located in the first cylinder, the fan with the drive plate all is located in the second cylinder, the second cylinder is close to air inlet portion has been seted up to one side of base plate, it has air-out portion to establish on the lateral wall of second cylinder, it is located to go out air outlet portion the below of fan, the LED chipset is close to the air inlet face setting of fan.
2. An in-line LED vehicle light according to claim 1, wherein:
the laminating of radiating shell is in the surface of base plate, go out the wind portion include with second cylinder inner wall fixed connection's radiator, the length of radiator is along the perpendicular to the direction of drive plate width extends, the radiator with the drive plate interval sets up, the radiator includes the fin portion that a plurality of intervals set up, and is adjacent form first wind channel and second wind channel between the fin portion, first wind channel will second wind channel and external intercommunication, the second wind channel will first wind channel with the air outlet intercommunication of fan.
3. An in-line LED vehicle light according to claim 2, wherein:
the second cylinder is internally provided with a containing cavity, the fan and the drive plate are installed in the containing cavity, the first end of the first air channel is communicated with the outside, the second end of the first air channel is communicated with the second air channel, the first end of the second air channel is communicated with the containing cavity, and the second end of the second air channel is communicated with an air outlet of the fan.
4. An in-line LED vehicle light according to claim 2 or 3, wherein:
the first air duct is perpendicular to the second air duct.
5. An in-line LED vehicle lamp according to claim 2 or 3, wherein;
the second air channel is perpendicular to the air outlet surface of the fan.
6. An in-line LED vehicle light according to claim 2 or 3, wherein:
and a chuck is formed on the outer wall of the heat dissipation shell and is positioned below the heat dissipation body.
7. An in-line LED vehicle light according to claim 2 or 3, wherein:
and a chuck is formed on the outer wall of the heat dissipation shell and is positioned between the heat dissipation body and the fan.
8. An in-line LED vehicle lamp according to any one of claims 1 to 3, wherein:
the first cylinder with the second cylinder coaxial line sets up, the outside protrusion of lateral wall of first cylinder is formed with a wall portion, wall portion is located first cylinder with the junction of second cylinder, be formed with the mounting groove in the wall portion, the axle center of fan is deviated the axis of first cylinder, flexible connecting piece installs in the mounting groove.
9. An in-line LED vehicle light according to claim 8 wherein:
an air path is formed on the air inlet surface of the fan, and the flexible connecting piece is parallel to the air path.
10. An in-line LED vehicle lamp according to any one of claims 1 to 3, wherein:
the flexible connector comprises a lead or a flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220723771.3U CN216814042U (en) | 2022-03-30 | 2022-03-30 | Direct insertion type LED car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220723771.3U CN216814042U (en) | 2022-03-30 | 2022-03-30 | Direct insertion type LED car lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216814042U true CN216814042U (en) | 2022-06-24 |
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ID=82047210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220723771.3U Active CN216814042U (en) | 2022-03-30 | 2022-03-30 | Direct insertion type LED car lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216814042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4368877A1 (en) * | 2022-11-08 | 2024-05-15 | Jiaxing Guangtai Lighting Co., Ltd. | In-situ replaceable led car headlight and design method thereof |
-
2022
- 2022-03-30 CN CN202220723771.3U patent/CN216814042U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4368877A1 (en) * | 2022-11-08 | 2024-05-15 | Jiaxing Guangtai Lighting Co., Ltd. | In-situ replaceable led car headlight and design method thereof |
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