阅读说明：本技术 灯具散热器、制作方法及灯具 (Lamp radiator, manufacturing method and lamp ) 是由 翟明 彭渤 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种灯具散热器,包括：基板,具有第一面和用于与发光器件连接的第二面,所述第一面设置有多个固定槽；散热片,包括顶片、连接片和底片,所述顶片的两端分别与所述连接片连接,所述连接片与所述顶片连接的另一端和所述底片连接,所述底片固定于所述固定槽内并与所述基板固定连接,所述散热片有多个；所述固定槽和所述散热片均匀分布在所述第一面。灯具散热器的基板设置有固定槽,散热片的底片设置于固定槽内并与基板固定连接,使散热片与基板的连接更加牢固,位于边缘的散热片保持稳定,散热器的使用寿命长。(The invention discloses a lamp radiator, comprising: a substrate having a first surface and a second surface for connection with a light emitting device, the first surface being provided with a plurality of fixing grooves; the radiating fins comprise a top sheet, a connecting sheet and a plurality of radiating fins, wherein two ends of the top sheet are respectively connected with the connecting sheet, the other end of the connecting sheet connected with the top sheet is connected with the bottom sheet, the bottom sheet is fixed in the fixing groove and is fixedly connected with the base plate; the fixing grooves and the radiating fins are evenly distributed on the first surface. The base plate of the lamp radiator is provided with the fixing groove, the bottom plate of the radiating fin is arranged in the fixing groove and fixedly connected with the base plate, so that the radiating fin is more firmly connected with the base plate, the radiating fin on the edge is kept stable, and the service life of the radiator is long.)

1. A luminaire heat sink, comprising:

a substrate having a first surface and a second surface for connection with a light emitting device, the first surface being provided with a plurality of fixing grooves;

the radiating fins comprise a top sheet, a connecting sheet and a plurality of radiating fins, wherein two ends of the top sheet are respectively connected with one end of the connecting sheet, the other end of the connecting sheet connected with the top sheet is connected with the bottom sheet, the bottom sheet is fixed in the fixing groove and fixedly connected with the base plate;

the fixing grooves and the radiating fins are evenly distributed on the first surface.

2. The luminaire heat sink of claim 1, wherein the base plate is rectangular, the securing slots are parallel to and of equal length to the short sides of the base plate, the bottom plate is of equal length to the securing slots and the projection of the fins in a direction perpendicular to the second face all falls on the base plate.

3. The luminaire heat sink of claim 1, wherein the length of the bottom piece is equal to half of the inner bottom surface of the fixation groove, the bottom pieces of adjacent fins being disposed in the same fixation groove.

4. The luminaire heat sink of claim 1, wherein the top plate and the inner bottom surface of the fixing groove have the same shape and area, and the bottom plate is half of the top plate.

5. A lamp radiator in accordance with claim 1, wherein said base plate is provided with a through hole in the middle for passing a wire.

6. The lamp heat sink as claimed in claim 1, wherein a filling material is filled between the fixing grooves, and a screw hole for fixing the light emitting device is opened through the filling material from the second surface toward the first surface.

7. The luminaire heat sink of claim 1, wherein a distance between two of the fixation slots is the same as a slot width of the fixation slots.

8. A method for manufacturing a lamp radiator, which is used for manufacturing the lamp radiator as claimed in any one of claims 1 to 7, and which comprises:

placing the bottom sheet of the radiating fin in the fixing groove;

placing an aluminum block on the bottom sheet;

and stamping the bottom plate.

9. The method of claim 8, further comprising drilling the substrate before the step of placing the bottom sheet of the heat sink within the retaining groove.

10. A luminaire, characterized in that a luminaire heat sink as claimed in any one of claims 1 to 7 is applied.

Technical Field

The invention relates to the field of lamps, in particular to a lamp radiator, a manufacturing method and a lamp.

Background

The lamp can produce a large amount of heats in the use, if the heat dissipation can lead to the ageing of lamp pearl in time, shorten the life of lamps and lanterns, consequently, the use of lamps and lanterns radiator is very necessary. In the related art, the lamp radiator is composed of a radiating fin and a base plate, wherein the bottom of the radiating fin is bent towards one end to form a bent part, the bent part is nailed into the base plate through a rivet, and is connected with an adjacent radiating fin through arranging a connecting sheet above and on the side of the base plate.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the lamp radiator, the connection between the radiating fins and the substrate is firmer and the connection is tight, and the radiating stability and reliability are improved.

The invention also provides a manufacturing method of the lamp radiator and a lamp using the lamp radiator.

The lamp radiator according to the first aspect embodiment of the invention comprises: a substrate having a first surface and a second surface for connection with a light emitting device, the first surface being provided with a plurality of fixing grooves; the radiating fins comprise a top sheet, a connecting sheet and a plurality of radiating fins, wherein two ends of the top sheet are respectively connected with one end of the connecting sheet, the other end of the connecting sheet connected with the top sheet is connected with the bottom sheet, the bottom sheet is fixed in the fixing groove and fixedly connected with the base plate; the fixing grooves and the radiating fins are evenly distributed on the first surface.

The lamp radiator according to the embodiment of the first aspect of the invention has at least the following advantages: the base plate of the lamp radiator is provided with the fixing groove, the bottom plate of the radiating fin is arranged in the fixing groove and fixedly connected with the base plate, so that the radiating fin is more firmly connected with the base plate, the radiating fin on the edge is kept stable, and the service life of the radiator is long.

According to some embodiments of the invention, the base plate is rectangular, the fixing grooves are parallel to the short edges of the base plate and are equal in length to the short edges, the bottom plate is equal in length to the fixing grooves, and the projection of the heat dissipation plate in the direction perpendicular to the second surface all falls on the base plate.

According to some embodiments of the invention, the length of the bottom plate is equal to half of the inner bottom surface of the fixing groove, and the bottom plates of the adjacent heat dissipation fins are disposed in the same fixing groove.

According to some embodiments of the invention, the top sheet and the inner bottom surface of the fixing groove have the same shape and area, and the bottom sheet is half of the top sheet.

According to some embodiments of the invention, the substrate is provided with a through hole in a middle portion thereof for passing a wire therethrough.

According to some embodiments of the present invention, a filling material is filled between the fixing grooves, and a screw hole for fixing the light emitting device is opened through the filling material from the second surface to the first surface.

According to some embodiments of the invention, a distance between two of the fixing grooves is the same as a groove width of the fixing groove.

The method for manufacturing the lamp radiator according to the embodiment of the second aspect of the invention comprises the following steps: placing the bottom sheet of the radiating fin in the fixing groove; placing an aluminum block on the bottom sheet; and stamping the bottom plate.

According to some embodiments of the invention, before the step of placing the bottom plate of the heat sink in the fixing groove, drilling the substrate is further included.

According to the lamp of the third aspect of the invention, the lamp radiator of the first aspect of the invention is applied.

The lamp according to the embodiment of the third aspect of the invention has at least the following advantages: the base plate of the lamp radiator is provided with the fixed groove, the radiating fins comprise more than two negative pieces, the negative pieces are arranged in the fixed groove and fixedly connected with the base plate, so that the radiating fins are more firmly connected with the base plate, the radiating fins on the edges are kept stable, and the service life of the radiator is long, so that the lamp has a better radiating effect and a longer service life.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a related art lamp radiator according to an embodiment of the first aspect of the present invention;

FIG. 2 is a schematic diagram of a lamp heat sink according to an embodiment of the first aspect of the invention;

FIG. 3 is a schematic view of a heat sink fin of a lamp heat sink according to an embodiment of the first aspect of the present invention;

FIG. 4 is a flow chart of a method for manufacturing a lamp heat sink according to an embodiment of the second aspect of the present invention;

fig. 5 is another flowchart of a method for manufacturing a lamp heat sink according to an embodiment of the second aspect of the invention.

Reference numerals:

the heat radiating fin comprises a heat radiating fin 1, a bent part 11, a connecting sheet 12, a base plate 2, a base plate 100, a first surface 110, a second surface 120, a fixing groove 111, a heat radiating fin 200, a top sheet 210, a connecting sheet 220, a bottom sheet 230, a through hole 130 and a filling material 140.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Unless otherwise specifically limited, the terms such as setting, installing, connecting and the like in the embodiments of the present invention should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1, in the related art, a lamp heat sink is composed of a heat sink 1 and a base plate 2, a bent portion 11 is formed by bending the bottom of the heat sink 1 towards one end, the bent portion 11 is nailed into the base plate 2 by a rivet, and a connecting sheet 12 is arranged above and on the side to connect with an adjacent heat sink 1.

The invention provides a lamp radiator, wherein a base plate of the lamp radiator is provided with a fixing groove, and a bottom sheet of a radiating fin is arranged in the fixing groove and fixedly connected with the base plate, so that the radiating fin is more firmly connected with the base plate, the radiating fin positioned on the edge is kept stable, the service life of the lamp radiator is long, and the service life of a lamp is prolonged.

The embodiments of the present invention will be further explained with reference to the drawings.

Referring to fig. 2, a luminaire heat sink according to a first aspect of the present invention includes: a substrate 100 having a first surface 110 and a second surface 120 for connection with a light emitting device, the first surface 110 being provided with a plurality of fixing grooves 111; the heat radiating fin 200 comprises a top sheet 210, a connecting sheet 220 and a bottom sheet 230, wherein two ends of the top sheet 210 are respectively connected with one end of the connecting sheet 220, the connecting sheet 220 is connected with the other end of the top sheet 210 and the bottom sheet 230, the bottom sheet 230 is fixed in the fixing groove 111 and is fixedly connected with the substrate 100, and a plurality of heat radiating fins 200 are arranged; the fixing grooves 111 and the heat dissipation fins 200 are uniformly distributed on the first surface 110.

Specifically, the angle between the bottom plate 230 and the connecting plate 220 may be 80 degrees, 90 degrees, 100 degrees, etc., and when the bottom plate 230 and the connecting plate 220 form an obtuse angle, the stamping operation of the heat sink 200 is facilitated, and the die drawing is performed after the stamping is finished. The top plate 210 and the connecting sheet 220 can be provided with vent holes, and the vent holes are favorable for heat dissipation, so that the weight of the lamp radiator is reduced, and the heat dissipation efficiency of the lamp radiator with the same weight is improved.

The fixing groove 111 is a groove for fixing, and both ends of the fixing groove 111 may be perpendicular to the base plate 100, or may be inclined inward or outward of the groove. The bottom plates 230 are arranged at the two ends of the radiating fin 200, and the bottom plates 230 are fixed in the fixing grooves 111, so that the radiating fin 200 has two fixing points, the fixing is more stable, and the service life of the lamp radiator is long.

It should be noted that the shape of the substrate 100 may be a circle or a square, and may be a plane or a plane plus an edge with a connector, which is not limited herein.

The distance between the fixing groove 111 and the adjacent fixing groove 111 may be equal to or twice the distance between the fixing grooves 111.

It is understood that the base plate 100 is rectangular, the fixing grooves 111 are parallel to the short sides of the base plate 100 and have the same length as the short sides, the bottom plate 230 has the same length as the fixing grooves 111, and the projection of the heat sink 200 in the direction perpendicular to the second surface 120 falls on the base plate 100.

Specifically, the rectangular substrate 100 facilitates splicing and assembling of a plurality of lamps, and the projection of the heat sink 200 in the direction perpendicular to the second surface 120 is entirely dropped on the substrate 100, which facilitates installation of objects outside the lamps.

It is understood that the length of the bottom plate 230 is equal to half of the inner bottom surface of the fixing groove 111, and the bottom plates 230 of the adjacent heat sinks 200 are disposed in the same fixing groove 111.

Specifically, the length of the bottom sheet 230 is equal to half of the inner bottom surface of the adjacent fixing groove 111, so that two adjacent cooling fins 200 can be conveniently placed in one fixing groove 111, and the two bottom sheets 230 can be fixed by punching or welding the same groove during processing, thereby saving the operation cost.

It is understood that the top sheet 210 and the fixing groove 111 have the same shape and area of the inner bottom surface, and the bottom sheet 230 is half of the top sheet 210.

Specifically, after the bottom sheets 230 of the plurality of heat dissipation fins 200 are fixedly connected, the shapes and areas of the bottom sheets 230 and the top sheets 210 are the same, and the top sheets 210 and the bottom sheets 230 can be inverted when the heat dissipation fins 200 are installed, so that the bottom sheets 230 and the top sheets 210 are not needed to be distinguished, and the installation time is saved.

It is understood that the central portion of the base plate 100 is provided with a through hole 130 for passing a wire therethrough.

Specifically, the shape of the through hole 130 may be rectangular, circular, etc., the fixing groove 111 and the heat sink 200 are distributed on both sides of the through hole 130, and the electric wire of the lamp may be connected to the power supply terminal through the through hole 130. A plurality of lamp radiators are arranged side by side, wires of the lamp can be arranged among the radiating fins 200 on two sides of the through hole 130, and the neatness of the wire arrangement is improved.

It can be understood that the filling material 140 is filled between the fixing grooves 111, and a screw hole for fixing the light emitting device is opened through the filling material 140 from the second surface 120 to the first surface 110.

Specifically, the filling material 140 disposed between the fixing grooves 111 is made of the same material as the substrate 100 or hard metal, when the circuit board is fixed, the screw is screwed from the second surface 120 to the first surface 110, and the filling material 140 made of the same material as the substrate 100 is selected to be integrally formed when the substrate 100 is manufactured, so that the manufacturing process is simple; when the circuit board is disassembled by using hard metal as a filler, the hard metal is not easy to cause wire shedding, the circuit board can be replaced for more times, and the lamp radiator has longer service life.

It can be understood that the distance between the two fixing grooves 111 is the same as the groove width of the fixing grooves 111.

Specifically, the distance between the fixing grooves 111 on both sides of the through hole 130 and the adjacent fixing grooves 111 is the same, so that the heat dissipation fins 200 are distributed more uniformly, and the heat dissipation effect is better.

Referring to fig. 4, a method for manufacturing a lamp heat sink according to a second aspect of the present invention is provided, which is used for manufacturing the lamp heat sink according to the second aspect of the present invention, and includes the following steps:

step S410: placing the bottom sheet 230 of the heat sink 200 in the fixing groove 111;

step S420: placing an aluminum block on bottom sheet 230;

step S430: the bottom sheet 230 is stamped.

Referring to fig. 5, it can be understood that the method further includes:

step S510: drilling the substrate 100;

step S520: placing the bottom sheet 230 of the heat sink 200 in the fixing groove 111;

step S530: placing an aluminum block on bottom sheet 230;

step S540: the bottom sheet 230 is stamped.

According to a third aspect embodiment of the present invention, a lamp is provided, wherein the lamp heat sink as set forth in the first aspect embodiment of the present invention is applied.

Specifically, the substrate 100 of the lamp heat sink is provided with the fixing groove 111, the heat sink 200 includes two or more bottom plates 230, and the bottom plates 230 are disposed in the fixing groove 111 and fixedly connected with the substrate 100, so that the connection between the heat sink 200 and the substrate 100 is firmer, the heat sink 200 at the edge is stable, and the service life of the lamp heat sink is long, therefore, the lamp has a better heat dissipation effect and a longer service life.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.