CN213453479U - Car light heat radiation structure - Google Patents

Car light heat radiation structure Download PDF

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Publication number
CN213453479U
CN213453479U CN202022821179.0U CN202022821179U CN213453479U CN 213453479 U CN213453479 U CN 213453479U CN 202022821179 U CN202022821179 U CN 202022821179U CN 213453479 U CN213453479 U CN 213453479U
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CN
China
Prior art keywords
radiator
heat
tab
metal sheet
conducting rod
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Active
Application number
CN202022821179.0U
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Chinese (zh)
Inventor
刘树菁
刘嘉菁
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Guangdong Rayton Intelligent Opto Co ltd
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Guangdong Rayton Intelligent Opto Co ltd
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Priority to CN202022821179.0U priority Critical patent/CN213453479U/en
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Abstract

A car light heat radiation structure comprises a heat conduction rod and a radiator connected with the heat conduction rod; the radiator is formed by bending a metal sheet, and the head end and the tail end of the metal sheet are connected with each other; the radiator comprises a plurality of folded pieces arranged around one end of the heat conducting rod, the head end and the tail end of the adjacent folded pieces are connected with each other, and the folded pieces are connected with the heat conducting rod through soldering tin. Because the radiator is formed by bending a metal sheet, the bending process is simple and mature, and the manufacturing process of the radiator becomes simpler; the metal sheet is relatively thin, and the overall weight of the formed radiator is relatively light; the metal sheet can form a larger heat dissipation area through bending, and the heat dissipation capacity of the radiator can be further improved.

Description

Car light heat radiation structure
Technical Field
The utility model relates to a car light, especially a car light heat radiation structure.
Background
General car light is furnished with the radiator, and current car light radiator is the aluminum alloy die-casting shaping, like chinese patent publication No. CN 108870315A's a car light radiator, it includes: the annular heat dissipation seat is connected with the lamp body; the plurality of slots are arranged along the circumferential direction of the outer circle surface of the heat radiating seat; the radiating pipe is fixed on the radiating seat and spirally arranged along the axial direction of the radiating seat; further comprising: the radiating tubes penetrate through the radiating fins and are fixed through connectors on the radiating fins. The radiator for the vehicle lamp has the advantages that the number of radiating fins is small, so that the radiating area is relatively small, and the radiating capacity is difficult to further improve; in addition, the aluminum alloy die casting is heavier, and the overall weight of the vehicle lamp is increased.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a car light heat dissipation structure, which can increase the heat dissipation area of the heat sink and improve the heat dissipation capability of the heat sink; the heat sink is lighter in weight.
In order to solve the technical problem, the technical scheme of the utility model is that: a car light heat radiation structure comprises a heat conduction rod and a radiator connected with the heat conduction rod; the radiator is formed by bending a metal sheet, and the head end and the tail end of the metal sheet are connected with each other; the radiator comprises a plurality of folded pieces arranged around one end of the heat conducting rod, the head end and the tail end of the adjacent folded pieces are connected with each other, and the folded pieces are connected with the heat conducting rod through soldering tin. The utility model discloses the principle: the LED light source is arranged on the heat conducting rod, and when the LED heat radiating device works, the heat of the LED light source is transferred to the heat conducting rod, and the heat of the heat conducting rod is transferred to the radiator for rapid heat radiation; because the radiator is formed by bending a metal sheet, the bending process is simple and mature, and the manufacturing process of the radiator becomes simpler; the metal sheet is relatively thin, and the overall weight of the formed radiator is relatively light; the metal sheet can form a larger heat dissipation area through bending, and the heat dissipation capacity of the radiator can be further improved.
As an improvement, the metal sheet is a copper sheet.
As an improvement, one end of the heat conducting rod is flat, the other end of the heat conducting rod is cylindrical, and one cylindrical end of the heat conducting rod is connected with the radiator.
As a modification, the tab includes a first tab portion, a second tab portion and a connecting portion, one end of the first tab portion is connected with one end of the second tab portion through the connecting portion, and the other end of the first tab portion and the other end of the second tab portion point to the center; and heat dissipation channels are formed between the adjacent tabs and between the first tab part and the second tab part.
As an improvement, the folding pieces comprise a long folding piece and a short folding piece, and a wire passing groove is formed between the short folding piece and the long folding piece.
As an improvement, the first position of the metal sheet is connected by soldering tin.
As an improvement, the bottom of the radiator is provided with a fan.
Compared with the prior art, the utility model the beneficial effect who brings is:
because the radiator is formed by bending a metal sheet, the bending process is simple and mature, and the manufacturing process of the radiator becomes simpler; the metal sheet is relatively thin, and the overall weight of the formed radiator is relatively light; the metal sheet can form a larger heat dissipation area through bending, and the heat dissipation capacity of the radiator can be further improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a top view of the heat sink.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a heat dissipating structure for a vehicle lamp includes a heat conductive rod 3 and a heat sink 2 connected to the heat conductive rod 3. The heat conducting rod 3 is a vacuum heat conducting pipe; one end of the heat conducting rod 3 is flat, two side surfaces of the heat conducting rod form a mounting plane, a substrate of the LED light source 4 is attached to the mounting plane, and heat of the LED light source 4 can be directly transferred to the heat conducting rod 3; the other end of the heat conduction rod 3 is cylindrical and corresponds to the round hole 23 formed by surrounding the center of the radiator 2, during assembly, the cylindrical end of the heat conduction rod 3 is inserted into the round hole 23 in the center of the radiator 2, and then the tin soldering can realize heat conduction connection of the heat conduction rod and the radiator.
As shown in fig. 1 to 3, the heat sink 2 is formed by bending a metal sheet, in this embodiment, the heat sink 2 is made of a copper sheet with higher heat conduction efficiency, and the manufacturing process thereof is as follows: cutting a strip copper sheet; then bending the copper sheet back and forth by using a bending machine to form a snake shape; and connecting the head end and the tail end of the bent copper sheet through soldering tin to finally form a cylindrical radiator 2, wherein a round hole 23 is formed in the center of the radiator 2. The radiator 2 comprises a plurality of folding pieces 21 arranged around one cylindrical end of the heat conducting rod 3, the folding pieces are connected with the heat conducting rod 3 through soldering tin, the folding pieces 21 are basically uniformly distributed in the circumference, and because the folding pieces are formed by bending, the head end and the tail end of the adjacent folding pieces 21 are connected with each other; the flap 21 comprises a first flap part 211, a second flap part 212 and a connecting part 213, one end of the first flap part 211 is connected with one end of the second flap part 212 through the connecting part 213, and the other end of the first flap part 211 and the other end of the second flap part 212 point to the circular hole 23 at the center; heat dissipation channels are formed between adjacent tabs 21 and between the first tab portion 211 and the second tab portion 212, a fan 1 is disposed at the bottom of the heat sink 2, and the airflow generated by the fan 1 passes through the heat dissipation channels to further take away heat on the tabs 21. The folding pieces 21 comprise long folding pieces and short folding pieces, and a wire passing groove is formed between the short folding pieces and the long folding pieces; in actual production, the number of the short folding pieces can be selected according to the size of the wire passing groove, and the long folding pieces are different from the short folding pieces in length.
The utility model discloses the principle: the LED light source 4 is arranged on the heat conducting rod 3, and when the LED heat radiating device works, the heat of the LED light source 4 is transferred to the heat conducting rod 3, and the heat of the heat conducting rod 3 is transferred to the radiator 2 for rapid heat radiation; because the radiator 2 is formed by bending a metal sheet, the bending process is simple and mature, and the manufacturing process of the radiator 2 becomes simpler; the metal sheet is relatively thin, and the overall weight of the formed radiator 2 is relatively light; the metal sheet can form a larger heat dissipation area through bending, and the heat dissipation capacity of the heat sink 2 can be further improved.

Claims (7)

1. A car light heat radiation structure comprises a heat conduction rod and a radiator connected with the heat conduction rod; the method is characterized in that: the radiator is formed by bending a metal sheet, and the head end and the tail end of the metal sheet are connected with each other; the radiator comprises a plurality of folded pieces arranged around one end of the heat conducting rod, the head end and the tail end of the adjacent folded pieces are connected with each other, and the folded pieces are connected with the heat conducting rod through soldering tin.
2. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the metal sheet is a copper sheet.
3. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: one end of the heat conducting rod is flat, the other end of the heat conducting rod is cylindrical, and one cylindrical end of the heat conducting rod is connected with the radiator.
4. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the tab comprises a first tab part, a second tab part and a connecting part, one end of the first tab part is connected with one end of the second tab part through the connecting part, and the other end of the first tab part and the other end of the second tab part point to the center; and heat dissipation channels are formed between the adjacent tabs and between the first tab part and the second tab part.
5. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the folding pieces comprise long folding pieces and short folding pieces, and a wire passing groove is formed between the short folding pieces and the long folding pieces.
6. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the first position of the metal sheet is connected through soldering tin.
7. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the bottom of the radiator is provided with a fan.
CN202022821179.0U 2020-11-30 2020-11-30 Car light heat radiation structure Active CN213453479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022821179.0U CN213453479U (en) 2020-11-30 2020-11-30 Car light heat radiation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022821179.0U CN213453479U (en) 2020-11-30 2020-11-30 Car light heat radiation structure

Publications (1)

Publication Number Publication Date
CN213453479U true CN213453479U (en) 2021-06-15

Family

ID=76303732

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022821179.0U Active CN213453479U (en) 2020-11-30 2020-11-30 Car light heat radiation structure

Country Status (1)

Country Link
CN (1) CN213453479U (en)

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