CN209744343U

CN209744343U - Down lamp heat radiation structure

Info

Publication number: CN209744343U
Application number: CN201920754931.9U
Authority: CN
Inventors: 庄金宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2019-12-06
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a down lamp heat radiation structure is provided with a light-passing board in the lamp body, a serial communication port, the outside extension of rear end face of lamp body forms the bellied back casing of round, is fixed with a back lid on the back casing, is provided with a plurality of bellied heat dissipation posts on the rear end face of back lid, is provided with a plurality of bellied fin on the rear end face of back lid, has seted up a plurality of first louvres after, has seted up a plurality of second louvres that distribute along back lid lateral wall round on the lateral wall of back lid, relates to lamps and lanterns technical field. This down lamp heat radiation structure sets up first louvre and second louvre after covering for inside the air can directly flow in the lamp body, directly dispel the heat with the air heat transfer, use with heat dissipation post and fin cooperation, changed the radiating mode of conducting heat completely through the fin, the radiating efficiency is higher, the radiating effect is better, when reaching the radiating effect of needs, the use of fin has been reduced, manufacturing cost is reduced, the weight of lamp body has been alleviateed simultaneously.

Description

Down lamp heat radiation structure

Technical Field

The utility model relates to the technical field of lamps and lanterns, in particular to down lamp heat radiation structure.

Background

The down lamp is a light downward-emitting type lighting lamp embedded in a ceiling, all light is projected downwards, direct light distribution is achieved, and different light effects can be achieved by using different reflectors, lenses, shutters and bulbs. The down lamp does not occupy space, soft atmosphere of the space can be increased, and if people want to create a warm feeling, a plurality of down lamps can be installed in a trial mode, so that space oppression is relieved. Generally, the coffee machine is used in hotels, families and coffee houses more.

Because light emitting component calorific capacity is great in the down lamp, consequently the down lamp must have good radiating effect, in order to guarantee the normal work of internal element, current down lamp generally sets up aluminium system fin in the lamp body inside with on the surface in order to improve the radiating effect, this kind of radiating mode is owing to use a large amount of metal material, the cost is higher, and lamp body weight is great, and the heat dissipation is through on the fin with heat conduction to outside, and can not directly make the air flow to the lamp body inside, consequently radiating efficiency is not high, the radiating effect is not good.

Therefore, how to realize changing the heat radiation structure of down lamp, make inside the air can the direct inflow lamp body, improve the radiating effect, reduce the use of aluminium system fin simultaneously, reduction in production cost alleviates lamp body weight and is the technological problem that awaits the solution in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a down lamp heat radiation structure aims at changing the radiating mode that the down lamp passes through heat conduction completely, makes inside the air can the direct inflow lamp body, improves the radiating effect, reduces the use of aluminium system fin simultaneously, reduction in production cost alleviates lamp body weight.

The utility model provides a down lamp heat radiation structure, including a lamp body, be provided with a light-passing board in the lamp body, the rear end face of lamp body outwards extends and forms the bellied back casing of round, be fixed with a back lid on the back casing, be provided with a plurality of bellied heat dissipation posts on the rear end face of back lid, be provided with a plurality of bellied fin on the rear end face of back lid, a plurality of first louvres have been seted up to the back, seted up a plurality of edges on the lateral wall of back lid the second louvre that rear lid lateral wall round distributes.

Preferably, the plurality of heat dissipation fins and the plurality of first heat dissipation holes are distributed along the outer edge of the rear end face of the rear cover, and the heat dissipation fins and the first heat dissipation holes are arranged at intervals in a crossed manner.

Preferably, the heat dissipation columns are uniformly distributed in the range of the central ring of the rear end face of the rear cover.

Preferably, the outer wall surface of the rear housing is provided with at least two mounting posts, and the rear cover is fixedly mounted to outer ends of the mounting posts by screws.

Preferably, the outer wall surface of the rear shell is provided with at least one set of mounting frames for fixing the rear shell, and the mounting frames are two mounting plates which are oppositely arranged and have a certain interval.

preferably, the housing and the rear housing are integrally formed.

The utility model discloses a set up first louvre and second louvre on covering after, set up heat dissipation post and fin simultaneously, make inside the air can directly flow in the lamp body through first louvre and second louvre, directly dispel the heat with the air heat transfer, use with heat dissipation post and fin cooperation, the radiating mode of heat conduction through the fin completely has been changed, the radiating efficiency is higher, the radiating effect is better, when reaching the radiating effect that needs, the use of fin has been reduced, the production cost is reduced, the weight of lamp body has been alleviateed simultaneously.

Drawings

Fig. 1 is a bottom view of the present invention;

Fig. 2 is a side view of the present invention;

Fig. 3 is a top view of the present invention.

In the figure: 10. the lamp comprises a lamp housing, 11, a rear housing, 12, a mounting column, 13, a mounting frame, 20, a light-transmitting plate, 30, a rear cover, 31, a heat dissipation column, 32, a heat dissipation fin, 33, a first heat dissipation hole, 34 and a second heat dissipation hole.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, an embodiment of the present invention provides a down lamp heat dissipation structure, which includes a lamp housing 10, a light-passing plate 20 is disposed in the lamp housing 10, the light-passing plate 20 may be made of glass or acrylic material, or other materials. The light-transmitting plate 20 is clamped in the inner cavity of the lamp housing 10 and cannot fall off downwards.

The rear end face of the lamp housing 10 extends outwards to form a ring of convex rear housing 11, the cross sections of the lamp housing 10 and the rear housing 11 can be circular, and the rear housing 11 forms a ring of annular convex. The housing 10 is integrally formed with the rear housing 11.

A rear cover 30 is fixed on the rear housing 11, a plurality of raised heat dissipation columns 31 are arranged on the rear end face of the rear cover 30, the heat dissipation columns 31 are uniformly distributed in the central ring range of the rear end face of the rear cover 30, and the occupied area can be approximately circular or in other shapes.

The rear end face of the rear cover 30 is provided with a plurality of raised radiating fins 32, the rear cover 30 is provided with a plurality of first radiating holes 33, the planar shapes of the radiating fins 32 and the first radiating holes 33 can be the same, the plurality of radiating fins 32 and the plurality of first radiating holes 33 are distributed along the outer edge of the rear end face of the rear cover 30, and the radiating fins 32 and the first radiating holes 33 are located on the same ring on the horizontal plane. The heat dissipation fins 32 and the first heat dissipation holes 33 are arranged at intervals, one first heat dissipation hole 33 is arranged between every two heat dissipation fins 32, and one heat dissipation fin 32 is arranged between every two first heat dissipation holes 33.

The heat radiation fins 32 and the first heat radiation holes 33 are provided on the rear end surface of the rear cover 30 approximately along the radius of the rear end surface of the rear cover 30. The heat sink 32 and the first heat dissipation hole 33 form a circle, a ring, on the rear end surface of the rear cover 30, the circle is located at the outer ring of the rear end surface, and the heat dissipation column 31 is located inside the inner ring of the circle.

The sidewall of the rear cover 30 is provided with a plurality of second heat dissipation holes 34 distributed along the sidewall of the rear cover 30. The edge of the rear end face of the rear cover 30 and the edge of the front end face of the rear cover 30 are concentric circles, and the diameter of the front end face is larger than that of the rear end face, so that the side wall of the rear cover 30 forms a certain inclination angle, and the second heat dissipation holes 34 are formed in the inclined side wall. The sectional view of the sidewall of the rear cover 30 may be a circular arc shape.

During operation, the air can get into inside casing 10 through first louvre 32 and second louvre 34, carry out the heat transfer with the inside hot-air of casing 10, take away the heat, the heat conducts to heat dissipation post 31 and fin 32 through back lid 30 simultaneously on, contact the heat transfer with the air, take away the heat, realize the heat dissipation, two kinds of heat transfer mode combined action, the radiating efficiency is higher, the radiating effect is better, the use of traditional aluminium system fin has been cancelled even simultaneously, the production cost is reduced, the gravity of lamp body has been alleviateed.

The outer wall surface of the rear shell 11 is provided with at least two mounting columns 12, and the rear cover 30 can be fixedly mounted to the outer ends of the mounting columns 12 through screws, and can also be fixed through clamping, bonding or other modes. The mounting posts 12 are uniformly distributed on the outer wall surface of the rear case 11, so that the rear cover 30 is stably fixed on the end surface of the rear case 11.

At least one set of mounting frames 13 for fixing the rear housing 11 is arranged on the outer wall surface of the rear housing 11, and the mounting frames 13 are two mounting plates which are oppositely arranged and have a certain interval. Mounting bracket 13 is used for with lamp body fixed mounting in department such as wall, ceiling, when lamps and lanterns are vertical to be installed on the wall, the installation can be realized to a set of mounting bracket 13, and when needs horizontal installation on the ceiling, mounting bracket 13 is at least two sets of, and mounting bracket 13 evenly sets up on the 11 outer wall surfaces of back casing this moment, guarantees casing 10's balanced stability to ensure the balanced stability of lamp body.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a down lamp heat radiation structure, includes a lamp body, be provided with a light-passing board in the lamp body, its characterized in that, the rear end face of lamp body outwards extends and forms the bellied back casing of round, be fixed with a back lid on the casing of back, be provided with a plurality of bellied heat dissipation posts on the rear end face of back lid, be provided with a plurality of bellied fin on the rear end face of back lid, a plurality of first louvres have been seted up to the back, seted up a plurality of edges on the lateral wall of back lid the second louvre that rear lid lateral wall round distributes.

2. A downlight heat dissipation structure according to claim 1, wherein the plurality of heat dissipation fins and the plurality of first heat dissipation holes are distributed along an outer edge of the rear end face of the rear cover, and the heat dissipation fins and the first heat dissipation holes are arranged at intersecting intervals.

3. A downlight heat dissipation structure according to claim 1, wherein the heat dissipation posts are evenly distributed within a rear end face center ring of the rear cover.

4. A down lamp heat dissipation structure as defined in claim 1, wherein the outer wall surface of the rear housing is provided with at least two mounting posts, and the rear cover is fixedly mounted to outer ends of the mounting posts by screws.

5. A downlight heat dissipation structure according to claim 1, wherein the outer wall surface of the rear housing is provided with at least one set of mounting brackets for fixing the rear housing, and the mounting brackets are two oppositely arranged mounting plates with a certain interval.

6. a downlight heat dissipation structure according to claim 1, wherein the housing and the rear housing are integrally formed.