CN207674406U - A kind of heat loss through convection shell of the tail portion setting to recirculation hole - Google Patents

Abstract

The utility model discloses a convection heat dissipation casing with a convection hole at the tail, which comprises a casing main body, a heat dissipation hole, a first heat conduction sheet, a second heat conduction sheet and an annular side wall, and the annular side wall is vertically arranged on the casing The inner cavity of the main body, the bottom of the annular side wall intersects the bottom of the main body of the housing, the heat dissipation hole is arranged at the position where the bottom of the annular side wall intersects the bottom of the main body of the housing, one side of the first heat conducting sheet and the second heat conducting sheet Surrounding the center of the inner cavity of the housing body, it is arranged on the side wall of the inner cavity of the housing body, the other side of the first heat conducting sheet is connected to the annular side wall, and the adjacent two first heat conducting sheets and the housing body The side wall of the inner cavity and the annular side wall of the inner cavity form a convection channel, and the convection channel communicates with the heat dissipation hole. On the basis of the lamp shell, it is designed as a shell for convection heat dissipation, forming a convection channel through the inside and outside of the lamp shell, and the convection channel is parallel to the central axis of the lamp shell, providing a basis for vertical heat dissipation and improving LED lamps. cooling performance.

Description

A kind of convection cooling shell with convection holes at the tail

technical field

The utility model relates to the application field of LED heat dissipation shells, in particular to a convection heat dissipation shell with convection holes arranged at the tail.

Background technique

In the design process of LED lamps, the heat dissipation function is usually taken into consideration. Most of the traditional bulb-type LED lamp shells adopt a hollow pattern design on the side of the lamp shell to open up the internal and external channels of the LED lamp to exert the heat dissipation function. However, these designs The convection channel is not perfect. In some cases, hot air accumulates around the lamp housing. Convection cannot be formed inside and outside the LED lamp, and the heat dissipation effect is poor. LEDs work at high temperatures for a long time, resulting in shortened LED lamp life.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a convection heat dissipation housing with convection holes at the tail, and heat dissipation holes are provided on the lamp holder to expand the air flow passage of the lamp housing or radiator.

The technical solution adopted by the utility model to solve its problem is:

A convection heat dissipation shell with a convection hole at the tail, comprising a shell body, a heat dissipation hole, a first heat conduction sheet, a second heat conduction sheet, and an annular side wall, the annular side wall is vertically arranged in the inner cavity of the shell body, The bottom of the annular side wall intersects the bottom of the housing main body, the heat dissipation hole is arranged at the position where the bottom of the annular side wall intersects the bottom of the housing main body, and one side of the first heat conducting sheet and the second heat conducting sheet surrounds the housing main body The center of the inner cavity is set on the inner cavity side wall of the housing main body, the other side of the first heat conducting sheet is connected to the annular side wall, and the adjacent two first thermal conducting fins and the inner cavity side wall of the housing main body The convection channel is surrounded by the annular side wall, and the convection channel communicates with the heat dissipation hole.

Further, it also includes a spacer for separating the space of the LED lamp board and the driving unit, the spacer is arranged on the top of the annular side wall, and covers the top opening of the annular side wall.

Further, a threading hole for passing electric wires is also provided on the partition, and the threading hole is arranged in the center of the partition.

Further, screw holes for fixing the LED lamp board are also provided on the partition, and the screw holes are respectively arranged on both sides of the threading hole.

Further, the first heat conduction sheet and the second heat conduction sheet are provided with bayonet sockets at the same horizontal position for carrying a light-transmitting cover or an LED light board.

Further, it also includes a strip-shaped groove for connecting with the lamp holder, the bottom of the strip-shaped groove is formed by the depression on the annular side wall, and the notch of the strip-shaped groove faces the The central axis of the annular side wall.

Further, the openings of the heat dissipation holes are set corresponding to the convection holes on the lamp holder.

The beneficial effects of the utility model are: on the basis of the shell of the lamp, it is designed as a shell for convection heat dissipation, forming a convection channel through the inside and outside of the shell of the lamp, and the convection channel is parallel to the central axis of the shell of the lamp, for vertical heat dissipation The foundation is provided, and the heat dissipation efficiency of the LED lamp is improved.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the front view of the utility model embodiment;

Fig. 2 is the structural representation of the utility model embodiment;

Fig. 3 is the bottom schematic diagram of the utility model embodiment;

Fig. 4 is a top schematic view of an embodiment of the present invention.

Detailed ways

Referring to Figures 1, 2, 3 and 4, a convection cooling case with a convection hole at the tail includes a case body 1, a heat dissipation hole 2, a first heat conducting fin 3, a second heat conducting fin 4 and an annular side wall 5, the annular side The wall 5 is vertically arranged in the inner cavity of the housing main body 1, the bottom of the annular side wall 5 intersects the bottom of the housing main body 1, the cooling hole 2 is arranged at the position where the bottom of the annular side wall 5 intersects the bottom of the housing main body 1, the first heat conducting sheet 3 and the bottom of the housing main body 1 intersect. The second heat conduction sheet 4 surrounds the center of the inner cavity of the housing main body 1 and is arranged on the inner cavity side wall of the housing main body 1. The other side of the first heat conduction sheet 3 is connected to the annular side wall 5. The first heat conduction sheet 3 and the second heat conduction sheet 4. At the same horizontal position, a bayonet 7 for carrying a light-transmitting cover or an LED lamp board is provided, and two adjacent first heat-conducting fins 3, the inner cavity side wall and the annular side wall 5 of the housing main body 1 form a convection channel , the convection channel communicates with the cooling hole 2.

It also includes a partition 6 for dividing the space of the LED lamp board and the drive unit. The partition 6 is arranged on the top of the annular side wall 5 to cover the top opening of the annular side wall 5; The hole 61 and the screw hole 62 for fixing the LED lamp board, the threading hole 61 is set in the center of the partition 6, and the screw holes 62 are respectively set on both sides of the threading hole.

The annular side wall 5 also includes an elongated groove 63 for connecting with the lamp holder, the groove bottom of the elongated groove 63 is formed by a depression on the annular side wall 5, and the notch of the elongated groove 63 faces toward the annular The central axis of the side wall 5.

The opening of the heat dissipation hole 2 is set corresponding to the convection hole on the lamp holder, and the heat in the inner cavity of the shell body 1 is dissipated through the heat dissipation hole 2 and the convection hole through the convection channel.

The above is only a preferred embodiment of the utility model, and the utility model is not limited to the above-mentioned embodiment, as long as it achieves the technical effect of the utility model by the same means, it should belong to the protection scope of the utility model.

Claims (7)

1. A convection heat dissipation shell with a convection hole at the tail, characterized in that it includes a shell body (1), heat dissipation holes (2), a first heat conduction fin (3), a second heat conduction fin (4) and an annular side wall (5), the annular side wall (5) is vertically arranged in the inner cavity of the housing main body (1), the bottom of the annular side wall (5) intersects the bottom of the housing main body (1), and the heat dissipation hole ( 2) It is arranged at the position where the bottom of the annular side wall (5) intersects the bottom of the housing body (1), and the first heat conduction sheet (3) and the second heat conduction sheet (4) surround the bottom of the housing body (1) The center of the inner cavity is set on the side wall of the inner cavity of the housing body (1), the other side of the first heat conducting sheet (3) is connected to the annular side wall (5), and two adjacent first heat conducting sheets (3) The inner cavity side wall and the annular side wall (5) of the shell main body (1) enclose a convection channel, and the convection channel communicates with the heat dissipation hole (2). 2. A convection cooling case with a convection hole at the tail according to claim 1, characterized in that it also includes a partition (6) for dividing the space between the LED lamp board and the drive unit, and the partition (6) ) is arranged on the top of the annular side wall (5), and covers the top opening of the annular side wall (5). 3. A convection cooling case with a convection hole at the tail according to claim 2, characterized in that: the partition (6) is also provided with a threading hole (61) for passing through the wire, and the threading hole (61) A hole (61) is arranged in the center of the partition (6). 4. A convection cooling case with a convection hole at the tail according to claim 3, characterized in that: the partition plate (6) is also provided with a screw hole (62) for fixing the LED lamp board, the Screw holes (62) are respectively arranged on both sides of the threading hole. 5. A convection cooling case with a convection hole at the tail according to claim 1, characterized in that: the first heat conduction sheet (3) and the second heat conduction sheet (4) are provided at the same horizontal position for The bayonet (7) that carries the light-transmitting cover or the LED light board. 6. A convection cooling case with a convection hole at the tail according to claim 1, characterized in that it further comprises a strip-shaped groove (63) for connecting with the lamp holder, the strip-shaped groove The groove bottom of (63) is formed by the depression on the annular side wall (5), and the notch of the elongated groove (63) faces the central axis of the annular side wall (5). 7. The convection heat dissipation housing with convection holes at the tail according to claim 6, characterized in that: the openings of the heat dissipation holes (2) are set corresponding to the convection holes on the lamp holder.