CN102242875A - Lamp structure - Google Patents

Abstract

The present invention discloses a lamp structure, which includes a light-emitting element, a heat dissipation module, a connecting member and an electrical connector, wherein the electrical connector is electrically connected to the light-emitting element. The heat dissipation module includes a first heat-conducting element and a second heat-conducting element made by die-casting, wherein the first and second heat-conducting elements respectively have a plurality of first and second fins, wherein the first and second fins are arranged in a staggered manner. The light-emitting element is arranged on the second heat-conducting element, and the connecting member is made by metal extrusion and passes through the first heat-conducting element to connect the second heat-conducting element and the electrical connector.

Description

Lamp structure

technical field

The invention relates to a lamp structure, in particular to a light emitting diode lamp structure.

Background technique

Since Light-Emitting Diodes (LEDs) have the advantages of long life and power saving, they have been gradually applied in related fields such as lighting fixtures in recent years. Generally speaking, a plurality of metal fins are usually provided on the lamps using LEDs as light sources, so as to dissipate the heat energy generated by the LEDs so as to prevent the LEDs from being damaged due to overheating.

Traditional fin structures are mostly produced by die extrusion or die-casting, but metal extrusion technology has disadvantages such as high cost and difficulty in making complex shapes, while die-casting technology has The structural strength is weak and the fin spacing is too large. In view of this, how to design a lamp structure that can take into account heat dissipation and low cost has become an important issue.

Contents of the invention

In order to solve the above problems, an embodiment of the present invention provides a lamp structure, including a heat dissipation module, a light-emitting element, an electrical connector, and a connecting member. The heat dissipation module includes a first heat conduction element made by die-casting And a second heat conduction element, wherein the aforementioned first and second heat conduction elements respectively have a plurality of first and second fins, wherein the first and second fins are arranged at intervals in a staggered manner. The light-emitting element is disposed on the second heat-conducting element, the electrical connector is electrically connected to the light-emitting element, and the connecting member is made of metal extrusion and passes through the first heat-conducting element to connect the second heat-conducting element and the electrical connector.

In one embodiment, the aforementioned second heat conduction element further has a substrate and a base, wherein the second fins and the base are respectively located on opposite sides of the substrate, and the light emitting element is disposed on the base.

In one embodiment, the aforementioned substrate has a plurality of through holes.

In one embodiment, the aforementioned through holes are distributed around the base.

In one embodiment, the aforementioned first and second heat conducting elements are made by aluminum die-casting.

In one embodiment, the aforementioned connecting member is made by aluminum extrusion.

In one embodiment, the aforementioned first and second fins are respectively arranged on the first and second heat conduction elements in a radial manner.

In one embodiment, the aforementioned light emitting element is a light emitting diode.

In one embodiment, the aforementioned electrical connector is an E27 connector.

In order to make the above-mentioned objects, features, and advantages of the present invention more comprehensible, preferred embodiments are specifically cited below and described in detail with the accompanying drawings.

Description of drawings

Fig. 1 is an exploded view of the structure of a lamp according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the lamp structure in Fig. 1 after assembly;

Fig. 3 is a schematic diagram of a connecting member according to an embodiment of the present invention;

Fig. 4 and Fig. 5 are schematic diagrams of the first heat conduction element according to an embodiment of the present invention; and

6 and 7 are schematic diagrams of the second heat conduction element according to an embodiment of the present invention.

Description of main component symbols

Electrical connector 10;

connecting member 20;

Radiating fins 201;

perforation 202;

Heat dissipation module 30;

a first heat conducting element 31;

first fin 311;

opening 312;

second heat conducting element 32;

second fin 321;

Substrate 322;

Combined part 323;

base 324;

lampshade 40;

light emitting element 50;

Through hole H.

Detailed ways

First, please refer to Fig. 1 and Fig. 2 together. The structure of a lamp according to an embodiment of the present invention is composed of an electrical connector 10, a connecting member 20, a heat dissipation module 30, a lampshade 40 and at least one light emitting element 50. The connector 10 is, for example, an E27 connector, the light-emitting element 50 is, for example, a light-emitting diode, and the connection member 20 and the heat dissipation module 30 may include aluminum or other metal materials with high thermal conductivity. It should be noted that the heat dissipation module 30 in this embodiment is mainly composed of a first heat conduction element 31 and a second heat conduction element 32, wherein the first and second heat conduction elements 31, 32 are both formed by die-casting Production, the aforementioned connecting member 20 is produced by metal extrusion.

As shown in Fig. 1 and Fig. 2, a plurality of first fins 311 are formed on the first heat conduction element 31 in this embodiment, and a plurality of second fins 321 are formed on the second heat conduction element 32, wherein the first 1. The second heat-conducting elements 31, 32 are made by die-casting (for example, aluminum die-casting). When assembling, the first and second heat-conducting elements 31, 32 can be fitted together, and the first and second fins 311, 321 are arranged at intervals in a staggered manner. It can be seen from FIG. 1 that the aforementioned light-emitting element 50 is disposed on the bottom side of the second heat-conducting element 32 , and the aforementioned lampshade 40 is combined with the second heat-conducting element 32 to cover the aforementioned light-emitting element 50 .

It should be noted that since the die-casting technology has a size limit on the spacing of the cooling fins when manufacturing the fin structure on the heat-conducting element, it is difficult to achieve the purpose of shortening the spacing and increasing the number of fins in actual production. . In order to overcome the shortcomings of the traditional manufacturing process, the present invention assembles the first and second heat-conducting elements 31, 32 in a mutual fitting manner, and arranges the first and second fins 311, 321 in a staggered manner, Therefore, the number of fins on the heat dissipation module 30 can be doubled, thereby greatly increasing the heat dissipation area of the heat dissipation module 30 and improving heat dissipation efficiency.

Next, please refer to FIG. 3 , the connection member 20 in this embodiment is mainly made of metal extrusion (such as aluminum extrusion), wherein a through hole 202 is formed in the center of the connection member 20, which can be used to accommodate circuit boards or other electronic components , and further electrically connect the aforementioned electrical connector 10 and the light emitting element 50 . As shown in FIG. 3 , a plurality of heat dissipation fins 201 are additionally formed around the connection member 20 , thereby increasing the heat dissipation area of the connection member 20 to improve heat dissipation efficiency.

Please refer to FIG. 4 and FIG. 5 together. The aforementioned first heat conduction element 31 has a circular opening 312, wherein the size of the opening 312 roughly corresponds to the connecting member 20. a first fin 311 arranged radially. Referring to FIG. 6 again, the second heat conduction element 32 in this embodiment has a base plate 322 and a plurality of second fins 321, wherein the second fins 321 are arranged on the base plate 322 and arranged radially for assembly. The first and second fins 311 and 321 can be arranged at intervals in a staggered manner (as shown in FIG. 2 ), wherein the connecting member 20 passes through the opening 312 of the first heat conducting element 31 and is fixed to the center of the aforementioned substrate 322. A combination part 323 .

Please refer to FIG. 7 , the aforementioned second heat conduction element 32 further has a base 324 , wherein the second fins 321 and the base 324 are respectively located on opposite sides of the substrate 322 , and the light emitting element 50 is disposed on the base 324 . It should be noted that the substrate 322 in this embodiment is additionally formed with a plurality of through holes H, and the aforementioned through holes H are distributed around the base 324, wherein the heat energy generated by the light emitting element 50 can pass through the through holes H in the form of gas convection. Quick discharge is used to prevent the light emitting element 50 from being damaged due to overheating.

To sum up, the present invention provides a lamp structure, which mainly includes a heat dissipation module, a light emitting element, an electrical connector and a connecting member, wherein the light emitting element is disposed on the heat dissipation module. It should be understood that the aforementioned heat dissipation module includes a first heat conduction element and a second heat conduction element made by die-casting (for example, aluminum die-casting), wherein the first and second fins on the first and second heat conduction elements are Arranged at intervals in a staggered manner, thereby doubling the number of fins on the heat dissipation module, thereby greatly increasing the heat dissipation area and improving heat dissipation efficiency; on the other hand, the aforementioned connecting members are made of metal extrusion (such as aluminum extrusion), Used to connect the second heat conduction element and electrical connector.

Since the metal extrusion manufacturing process can achieve the advantages of fine pitch and high structural strength, and the die-casting molding technology can produce more complex shapes with low cost, the present invention uses the aforementioned two Manufactured in this way, not only can greatly improve the heat dissipation efficiency of the lamp, but also can effectively save the manufacturing cost.

Although the present invention is disclosed in combination with the aforementioned embodiments, they are not intended to limit the present invention. Those skilled in the art to which the present invention belongs can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims (10)

1. A lamp structure, comprising: The heat dissipation module includes a first heat conduction element and a second heat conduction element, the first and second heat conduction elements are made by die-casting, wherein the first heat conduction element has a plurality of first fins, and the second heat conduction element has a plurality of second fins, and the first and second fins are spaced apart in a staggered manner; a light-emitting element arranged on the second heat-conducting element; an electrical connector electrically connected to the light-emitting element; and The connection member passes through the first heat conduction element to connect the second heat conduction element and the electrical connector, wherein the connection member is made by metal extrusion and has a plurality of heat dissipation fins. 2. The lamp structure according to claim 1, wherein the second heat conducting element further has a substrate and a base, the second fins and the base are respectively located on opposite sides of the substrate, and the light-emitting element is disposed on the base . 3. The lamp structure as claimed in claim 2, wherein the substrate has a plurality of through holes. 4. The lamp structure as claimed in claim 3, wherein the through holes are distributed around the base. 5. The lamp structure according to claim 1, wherein the first and second heat conducting elements are made by aluminum die-casting. 6. The lamp structure as claimed in claim 1, wherein the connecting member is made by aluminum extrusion. 7. The lamp structure as claimed in claim 1, wherein the first and second fins are respectively radially arranged on the first and second heat conducting elements. 8. The lamp structure as claimed in claim 1, wherein the light emitting element is a light emitting diode. 9. The lamp structure as claimed in claim 1, wherein the electrical connector is an E27 connector. 10. The lamp structure according to claim 1, wherein the lamp structure further comprises a lampshade connected to the seventh heat conducting element and covering the light emitting element.

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