A heat sink structure for an LED light source

By designing a heat sink structure for the LED light source, the heat dissipation problem of the LED light source was solved, the wiring process was simplified, the heat dissipation effect and fixing reliability were improved, and the service life of the LED light source was extended.

CN223610075UActive Publication Date: 2025-11-28HANGZHOU HUNTER ELECTRIC CO LTD
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Patent Information

Application Number
CN202423118912.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-28
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The heat dissipation problem of LED light sources leads to a shortened lifespan. Existing technologies cannot provide effective heat dissipation solutions, and the wiring process is complicated and inconvenient.

Method used

A heat sink structure for an LED light source is designed, including a heat sink body, an LED light source board mounting recess and a wiring recess, which are connected by wire through holes. The heat sink body is surrounded by a heat sink plate and heat sink ribs, with the inner and outer heat sink ribs connected. Reliable heat dissipation and fixation are achieved by combining heat sink fins and a wire clamping plate.

Benefits of technology

It achieves reliable heat dissipation of LED light source, simplifies wiring process, and improves fixing reliability and heat dissipation effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of radiator structure of LED light source, including the radiator body for the heat dissipation of LED light source board, the side surface of radiator body is equipped with LED light source board installation pit, the other side surface is equipped with wiring pit, the bottom wall of LED light source board installation pit is communicated with wiring pit by electric wire via hole, radiator body is equipped with the heat dissipation plate that surrounds in the periphery of radiator body, same radiator body is connected together in the heat dissipation plate, the surface of heat dissipation plate located LED light source board installation pit side is equipped with several inside heat dissipation ribs, and inside heat dissipation rib in inside heat dissipation rib same radiator body alignment is connected together with the radiator body, the surface of heat dissipation plate located wiring pit side is equipped with several outside heat dissipation ribs, and outside heat dissipation rib in outside heat dissipation rib same radiator body alignment is connected together with the radiator body.The utility model has the advantages that reliable LED light source board can be carried out, and is used to carry out heat dissipation to LED light source board.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lighting technical field, especially a kind of radiator structure of LED light source. BACKGROUND

[0002] With the improvement of energy-saving consciousness, LED light source is more and more widely used. LED has the advantages of power saving and long service life, but LED light source must be well cooled, otherwise the service life will be greatly shortened. Therefore, the technical personnel in the art are constantly developing various structure types of radiators to reliably cool the LED light source. SUMMARY

[0003] The utility model provides a kind of reliably cooled LED light source board's radiator structure of LED light source, for the heat dissipation of LED light source board.

[0004] The above technical problem is solved by the following technical scheme: a kind of radiator structure of LED light source, including the radiator body for the heat dissipation of LED light source board, characterized in that, the side surface of the radiator body is equipped with LED light source board installation pit, the other side surface is equipped with wiring pit, the bottom wall of the LED light source board installation pit is communicated with wiring pit by wire via hole, the radiator body is equipped with the heat dissipation plate that is connected together with the radiator body around the periphery of radiator body, the surface of the heat dissipation plate located LED light source board installation pit side is equipped with a plurality of inside heat dissipation ribs, the inside heat dissipation rib of the inside heat dissipation rib in the inside heat dissipation rib is connected together with the radiator body, the surface of the heat dissipation plate located wiring pit side is equipped with a plurality of outside heat dissipation ribs, the outside heat dissipation rib of the outside heat dissipation rib in the outside heat dissipation rib is connected together with the radiator body. Reliable heat dissipation can be carried out to LED light source board, and wiring is convenient. When using, power cord enters LED light source board installation pit after passing through wiring pit and wire via hole and is connected together with LED light source board.

[0005] As preferred, the LED light source board installation pit is installed with the heat dissipation fin that presses LED light source board in the LED light source board installation pit. The reliability of heat dissipation and the reliability of fixation of LED light source board can be improved.

[0006] As preferred, the LED light source board installation pit is equipped with inside screw hole, and the heat dissipation fin connecting bolt is screwed in the inside screw hole after passing through heat dissipation fin and is fixed together with the radiator body. It is convenient to connect. Simple and compact structure.

[0007] As preferred, the LED light source plate is rectangular, four "L" type positioning convex strips are arranged in the LED light source plate mounting recess, and the four positioning convex strips correspondingly block the four corners of the LED light source plate to limit the LED light source plate. The LED light source plate can be conveniently and reliably fixed at the set position.

[0008] As preferred, a plurality of reflection cup connecting clamping grooves are arranged on the side wall of the LED light source plate mounting recess in the circumferential direction of the LED light source plate mounting recess. In use, the clamping feet on the end face of the reflection cup are clamped in the reflection cup connecting clamping grooves, and the heat sink body is fixed together. The reflection cup is convenient to fix.

[0009] As preferred, the wiring recess is connected with a wire pressing plate through a wire pressing plate connecting bolt, and the wire pressing plate is used for fixing the power line on the heat sink body. The reliable fixation of the power line can be realized.

[0010] As preferred, a support convex strip is arranged in the wiring recess, and each of the two ends of the support convex strip and the side wall of the wiring recess forms a wire channel. The edge of the wire pressing plate is provided with a wire pressing plate part threading gap, and the wire pressing plate part threading gap and the wire through hole are located on the two sides of the support convex strip. In use, the wire passes through the wire pressing plate part threading gap into the wiring recess, and then is divided into two strands to pass through the two wire channels to the wire through hole, and then is threaded into the LED light source plate mounting recess through the wire through hole. The reliability of the wire fixation is good.

[0011] As preferred, the wire pressing plate closes the wiring recess and is arranged in the wiring recess. Dust can be prevented from entering the wiring recess and even the LED light source plate mounting recess.

[0012] As preferred, a heat sink body part threading gap is arranged on the side wall of the wiring recess, and the wire pressing plate part threading gap and the heat sink body part threading gap enclose a threading hole. The reliability of the wire fixation can be improved.

[0013] As preferred, each of the two ends of the support convex strip is provided with an outer thread hole, and two wire pressing plate fixing bolts are threadedly connected in the two outer thread holes after passing through the wire pressing plate to fix the wire pressing plate and the heat sink body together. The wire can be avoided from being damaged during the bolt connection.

[0014] The utility model has the following beneficial effects: convenient and reliable wiring, and good heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a perspective structural schematic view of one angle of the utility model;

[0016] Fig. 2The utility model discloses a three-dimensional structure schematic diagram after removing the outer heat dissipation fin and LED light source board;

[0017] Fig. 3 The utility model discloses a three-dimensional structure schematic diagram from another angle;

[0018] Fig. 4 The utility model discloses a three-dimensional structure schematic diagram after removing the line pressing plate.

[0019] In the drawing: LED light source board 1, radiator body 2, LED light source board installation pit 3, wiring pit 4, wire via 5, heat dissipation plate 6, inner side heat dissipation rib 7, outer side heat dissipation rib 8, heat dissipation fin 9, inner side screw hole 10, heat dissipation fin connecting bolt 11, positioning convex strip 20, reflector cup connecting clamping groove 12, line pressing plate connecting bolt 13, line pressing plate 14, support convex strip 15, wire channel 16, line pressing plate part threading gap 17, radiator body part threading gap 18, outer side screw hole 19. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model protection.

[0021] Reference Figs. 1 to 4A heat sink structure of LED light source, comprising a heat sink body 2 for dissipating heat of LED light source board 1. One side surface of the heat sink body is provided with LED light source board mounting pit 3, and the other side surface is provided with wiring pit 4. The bottom wall of LED light source board mounting pit is communicated with wiring pit through wire through hole 5. The heat sink body is provided with heat dissipation plate 6 which is connected together with the heat sink body and surrounds the periphery of the heat sink body. The surface of the heat dissipation plate on the side of LED light source board mounting pit is provided with a plurality of inner side heat dissipation ribs 7, and the inner heat dissipation ribs which are aligned with the heat sink body are connected together with the heat sink body. The surface of the heat dissipation plate on the side of wiring pit is provided with a plurality of outer side heat dissipation ribs 8, and the outer heat dissipation ribs which are aligned with the heat sink body are connected together with the heat sink body. In use, the power cord enters the LED light source board mounting pit through the wiring pit and the wire through hole and is connected together with the LED light source board. The LED light source board mounting pit is provided with heat dissipation fin 9 which presses the LED light source board in the LED light source board mounting pit. The LED light source board mounting pit is provided with inner side threaded hole 10, and heat dissipation fin connecting bolt 11 is threadedly connected in the inner side threaded hole after passing through the heat dissipation fin to fix the heat dissipation fin together with the heat sink body. The LED light source board is rectangular. The LED light source board mounting pit is provided with four positioning convex strips 20 which are correspondingly arranged on the four corners of the LED light source board to limit the LED light source board. The side wall of the LED light source board mounting pit is provided with a plurality of reflection cup connecting clamping grooves 12 which are distributed along the circumference of the LED light source board mounting pit.

[0022] The wiring pit is connected with pressing plate 14 through pressing plate connecting bolt 13 in the wiring pit, and the pressing plate is used to fix the power cord on the heat sink body. The wiring pit is provided with supporting convex strip 15, and each end of the supporting convex strip forms a wire channel 16 with the side wall of the wiring pit. The edge of the pressing plate is provided with pressing plate part wire passing notch 17, and the pressing plate part wire passing notch and the wire through hole are located on both sides of the supporting convex strip. In use, the wire enters the wiring pit through the pressing plate part wire passing notch, and then is divided into two strands to pass through the two wire channels to the wire through hole, and then passes through the wire through hole into the LED light source board mounting pit. The pressing plate closes the wiring pit and is built-in in the wiring pit. The side wall of the wiring pit is provided with heat sink body part wire passing notch 18, and the pressing plate part wire passing notch and the heat sink body part wire passing notch form a wire passing hole. Each end of the supporting convex strip is provided with an outer side threaded hole 19, and two pressing plate fixing bolts are threadedly connected in the two outer side threaded holes after passing through the pressing plate to fix the pressing plate together with the heat sink body.

[0023] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0024] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A heat sink structure for an LED light source, comprising a heat sink body for dissipating heat from an LED light source board, characterized by, The side surface of the radiator body is provided with an LED light source plate mounting pit, and the other side surface is provided with a wiring pit.

2. The heat sink structure for an LED light source according to claim 1, wherein The LED light source plate mounting pit is provided with an inner thread hole, and a heat sink connecting bolt is threadedly connected in the inner thread hole after penetrating through the heat sink to fix the heat sink and the radiator body together.

3. The heat sink structure for an LED light source according to claim 2, wherein The LED light source plate is rectangular, and the LED light source plate mounting pit is provided with four positioning convex strips in the shape of "L".

4. A heat sink structure for an LED light source according to claim 2 or 3, characterized in that The side wall of the LED light source plate mounting pit is provided with a plurality of reflection cup connecting clamping grooves distributed circumferentially along the LED light source plate mounting pit.

5. The heat sink structure of an LED light source according to claim 1 or 2 or 3, characterized in that, The wiring pit is provided with a support convex strip, and each end of the support convex strip and the side wall of the wiring pit form a wire channel.

6. The heat sink structure for LED light source according to claim 1 or 2 or 3, wherein, The side wall of the wiring pit is provided with a radiator body wire passing gap, and the wire passing gap and the wire passing hole are located on both sides of the support convex strip.

7. The heat sink structure for an LED light source according to claim 6, wherein The support convex strip is provided with an outer thread hole at each end, and two wire pressing plate fixing bolts are threadedly connected in the two outer thread holes after penetrating through the wire pressing plate to fix the wire pressing plate and the radiator body together.

8. The heat sink structure for an LED light source according to claim 7, wherein ​ 9. The heat sink structure for an LED light source according to claim 7, wherein ​ 10. The heat sink structure for an LED light source according to claim 7, wherein ​