CN202303278U - Heat dissipation structure of LED lamp - Google Patents

Abstract

The utility model provides a heat radiation structure of an LED lamp, which is used on the back of an LED light source and comprises a heat conduction base, more than two heat radiation bodies and more than two heat pipes; the heat conducting base is provided with a bottom surface and a top surface, the bottom surface is attached to the back surface of the LED light source, and the top surface is concavely provided with a groove; each heat radiation body is transversely arranged along the direction of the groove and comprises a hollow annular column part and more than two heat radiation parts; each heat pipe is connected between the heat conduction base and each heat radiation body, each heat pipe is provided with a heated section and two condensing sections, the heated section of each heat pipe is arranged in the groove, and the two condensing sections of each heat pipe are respectively arranged on any two heat radiation bodies in a penetrating way for heat conduction connection, so that the heat pipes can achieve the effect of temperature equalization through the mutual heat conduction effect, and the purpose and the effect of enabling the heat pipes to be heated evenly are achieved.

Description

Heat dissipation structure of LED lamps

technical field

The utility model relates to a heat dissipation structure, in particular to a heat dissipation structure of an LED lamp used in an illuminating device.

Background technique

At present, due to the advantages of high brightness, power saving, and long life, light-emitting diodes (LEDs) are widely used in the lighting of electronic devices or lamps. Diodes are combined into LED light sets and have been used to replace traditional light bulbs.

However, because the LED lamp group will generate a lot of heat when it is illuminated, most of the current LED lamps have a heat dissipation structure, which is mainly composed of heat conducting bases, heat pipes, fins and other components, and then installed on the LED lamps. By helping LED lamps to dissipate heat. However, since the heat dissipation structures in the past mostly use heat pipes to pass through two or more sheet-shaped fins, the heat transferred between the heat pipes can only be cooled by itself, and the effect of uniform temperature cannot be achieved through mutual heat conduction, that is, It is a pity that it cannot be used effectively.

Utility model content

In view of this, the main purpose of the present utility model is to provide a heat dissipation structure of LED lamps, which can achieve the effect of uniform temperature through the heat conduction of each heat pipe, and make each heat pipe receive heat evenly.

In order to achieve the above purpose, the utility model provides a heat dissipation structure for LED lamps, which is used on the back of the LED light source. The heat dissipation structure includes a heat conduction base, more than two heat sinks, and more than two heat pipes; The top surface opposite to the bottom surface, the bottom surface is attached to the back of the LED light source, and the top surface is concavely provided with grooves; the radiators are arranged horizontally along the direction of the grooves, and each radiator includes a hollow ring column part , and more than two rings are arranged on the heat dissipation part on the periphery of the ring column part; each heat pipe is connected between the heat conduction base and each heat dissipation body, and each heat pipe has a heating section and at least two condensation sections, and the heating section of each heat pipe is located on In the groove, the two condensing sections of each heat pipe are respectively perforated on any two radiators for heat transfer connection.

Further, the heat conduction base is in the shape of a plate.

Further, the radiator is an extruded aluminum radiator.

Further, more than two connecting ribs are provided on the outer periphery of the cylindrical part of the radiator, and the ends of the connecting ribs are respectively connected to the radiators.

Further, more than two outer fins are provided on the outer periphery of the cylindrical part of the radiator, and each of the outer fins is inserted between any two adjacent connecting ribs.

Further, more than two inserting parts are provided on the ring column part of the radiator, for the condensation sections of the heat pipes to pass through.

Further, the inserting portion is C-shaped.

Furthermore, a partition plate is provided inside the ring column of the radiator, and more than two inner fins are further provided on both sides of the partition plate.

Further, more than two fin edges protrude from the periphery of the heat dissipation part of the heat dissipation body.

Further, each of the heat pipes is U-shaped.

Compared with the prior art, the heat dissipation structure of the utility model is respectively installed on different heat dissipation bodies through the condensation sections of more than two heat pipes, so that the heat pipes can achieve the effect of uniform temperature through mutual heat conduction, and at the same time Due to the different positions of the piercings, the lengths of the heating sections of the heat pipes must be changed accordingly, so as to increase the contact length of the heating sections of the heat pipes adjacent to each other, and achieve the purpose and effect of heating evenly between the heat pipes.

Description of drawings

Fig. 1 is the three-dimensional exploded schematic view of the utility model;

Fig. 2 is the combined sectional schematic diagram of the utility model;

Fig. 3 is a top view sectional schematic diagram of the utility model;

Fig. 4 is a three-dimensional exploded schematic diagram of the utility model and the LED light source;

Fig. 5 is a schematic diagram of the usage state of the utility model and the LED light source.

Explanation of reference signs

Thermal Base 1 Bottom 10

top surface 11 groove 110

Radiator 2

Ring column part 20 Insert part 200

Connecting rib 201 Outer fin 202

Heat sink 21 Fin edge 210

Divider 22 Inner fin 220

Heat pipe 3 Heating section 30

Condensation section 31 LED light source 4

Detailed ways

In order to further disclose the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model.

Please refer to FIG. 1 , which is a three-dimensional exploded view of the utility model. The utility model provides a heat dissipation structure for LED lamps, which includes a heat conduction base 1, more than two radiators 2, and more than two heat pipes 3, which are used to be arranged on the back of the LED light source 4 (as shown in Figure 4 or Figure 5) ), so as to help the LED light source 4 to dissipate heat; wherein:

Please also refer to FIG. 2 , the heat conduction base 1 is usually made of a material with good heat conduction, such as aluminum or copper, and is used to be disposed on the above-mentioned LED light source 4 . The heat conducting base 1 has a bottom surface 10 and a top surface 11 opposite to the bottom surface 10 . And in the embodiment of the present utility model, the heat conduction base 1 is a plate-shaped body, and its bottom surface 10 is used to be attached to the back of the LED light source 4, and a groove 110 is recessed on the top surface 11 for The heat pipes 3 are vertically disposed in the groove 110 .

Please refer to FIG. 3 together. The radiator 2 can be an extruded aluminum radiator, which is arranged laterally along the direction of the groove 110 of the heat conduction base 1. The radiator 2 includes a hollow ring column part 20 and two The above ring is arranged on the heat dissipation part 21 on the periphery of the ring column part 20, and a partition plate 22 can be provided in the ring column part 20, and a partition plate 22 can be further provided on both sides of the partition plate 22, which is also located in the ring column part 20. There are more than two inner fins 220 to increase the heat dissipation area; at the same time, more than two fin edges 210 can be protruded from the periphery of each heat dissipation portion 21 to further improve the heat dissipation effect. The ring column part 20 is provided with more than two inserting parts 200 which can be C-shaped, and more than two connecting ribs 201 and outer fins 202 can be provided on the periphery of the ring column part 20, and the connecting ribs 201 and The outer fins 202 are alternately arranged on the periphery of the ring column portion 20 , and the ends of the connecting ribs 201 are respectively connected to the heat dissipation portion 21 , and each outer fin 202 is inserted between any two adjacent connecting ribs 201 .

Please also refer to FIG. 2 , the heat pipe 3 is connected between the heat conducting base 1 and the radiator 2 , and the heat pipe 3 has a heat receiving section 30 and at least two condensing sections 31 . In the cited embodiment of the utility model, each heat pipe 3 can be U-shaped, and the bottom end of the U-shaped is used as the heating section 30, and the two ends of the U-shaped are used as the condensation section 31. The inserting portion 200 of the ring column portion 20 of 2 is used for the condensation section 31 of each heat pipe 3 to pass through.

Please refer to Fig. 1 to Fig. 3 together, the above-mentioned heat pipes 3 are accommodated in the groove 110 of the above-mentioned heat-conducting base 1 with the heat-receiving section 30, and the utility model mainly uses two condensing sections 31 of each heat pipe 3 to respectively pass through. Heat transfer connections are made on different heat sinks 2, and since each heat sink 2 includes more than two sleeved parts 200, each heat sink 2 is also used for the condensation section 31 of a different heat pipe 3 to pass through; The two condensing sections 31 of each heat pipe 3 need to pass through the inserting part 200 of the radiator 2 at different positions, so that when the heat receiving section 30 of the heat pipe 3 is arranged in the groove 110 of the heat conduction base 1, the heat receiving sections 30 are mutually The contact length of adjacent stickers will also be increased, so as to achieve the purpose and effect of making the heating among the heat pipes 3 average.

Therefore, the heat dissipation structure of the LED lamp of the present invention can be obtained by the above-mentioned structural composition.

Therefore, with the heat dissipation structure of the LED lamp of the present invention, since the condensation sections 31 of the heat pipes 3 are respectively installed on different heat sinks 2, it is convenient for the heat pipes 3 to achieve the effect of uniform temperature through mutual heat conduction. Simultaneously also because the two condensing sections 31 of each heat pipe 3 are pierced in different positions, and cause the heating section 30 of each heat pipe 3 to change its length, thereby increasing the contact length of the heating sections 30 of each heat pipe 3 adjacent to each other, The purpose and effect of making the heating among the heat pipes 3 average is achieved.

The above descriptions are only specific descriptions of preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Any other equivalent transformations shall fall within the scope of the claims of the present application.

Claims (10)

1. a LED lamp cooling structure is characterized in that, is used for the led light source back side, and this radiator structure comprises:

Heat conducting base, have the bottom surface and with this bottom surface back to end face, this bottom surface and the said led light source back side fit, and are concaved with groove on this end face;

Two above radiators be transversely arranged along the trend of the groove of this heat conducting base, and respectively this radiator all comprise hollow annulated column portion and are located on the peripheral radiating part of this annulated column portion more than two; And

Two above heat pipes; Be connected between this heat conducting base and this radiator; And respectively this heat pipe has heating section and at least two condensation segments; Respectively the heating section of this heat pipe is located in the groove of this heat conducting base, and respectively two of this heat pipe condensation segments are arranged in respectively and do the connection of heat biography on any two said radiators.

2. LED lamp cooling structure as claimed in claim 1 is characterized in that said heat conducting base is plate body.

3. LED lamp cooling structure as claimed in claim 1 is characterized in that, said radiator is the aluminium extruded type radiator.

4. LED lamp cooling structure as claimed in claim 1 is characterized in that, places outside the annulated column portion of said radiator to be provided with two above connection ribs, and respectively this connection rib end supplies each said radiating part to connect respectively.

5. LED lamp cooling structure as claimed in claim 4 is characterized in that, place outside the annulated column portion of said radiator and also be provided with two above outer-finneds, and respectively this outer-finned is interspersed between any two adjacent said connection ribs.

6. LED lamp cooling structure as claimed in claim 1 is characterized in that, the annulated column portion of said radiator is provided with two above intussusceptums, supplies the condensation segment of each said heat pipe to wear.

7. LED lamp cooling structure as claimed in claim 6 is characterized in that said intussusceptum is the C font.

8. LED lamp cooling structure as claimed in claim 1 is characterized in that, is provided with demarcation strip in the annulated column portion of said radiator, fin in these demarcation strip both sides further are provided with more than two.

9. LED lamp cooling structure as claimed in claim 1 is characterized in that, two above fin edge are equipped with in the radiating part periphery of said radiator.

10. LED lamp cooling structure as claimed in claim 1 is characterized in that said heat pipe is the U font.

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