CN206330006U

CN206330006U - A kind of Down lamp radiator

Info

Publication number: CN206330006U
Application number: CN201621405270.1U
Authority: CN
Inventors: 王群芝
Original assignee: Dongguan Honghe Metal Product Co Ltd
Current assignee: Dongguan Honghe Metal Product Co Ltd
Priority date: 2016-12-20
Filing date: 2016-12-20
Publication date: 2017-07-14
Anticipated expiration: 2026-12-20

Abstract

The utility model discloses a kind of Down lamp radiator, including cylindrical circular radiator shell, the upper end of radiator shell is provided with upper end radiation shell, the upper end junction of upper end radiation shell and radiator shell is provided with an annular groove, upper end radiation shell is connected with the cavity of radiator shell, the madial wall of upper end radiation shell is provided with the heat sink assembly extended obliquely downward, center radiating subassembly is provided with the middle part of the cavity of radiator shell, if the cavity sidewalls of radiator shell are interval with dry plate shell fin, there is certain gap between each two shell fin, the upper end of radiator shell is provided with the heat emission hole connected with gap.The utility model employs multigroup radiating subassembly, every group of radiating subassembly can radiate to the heat of lamp body, add area of dissipation, there is laterally arrangement also to have longitudinal arrangement for the arrangement of fin, while center fin member component, area of dissipation is further increased, the cavity in the middle of radiator is radiated, and with outwards ventilative heat emission hole.

Description

A kind of Down lamp radiator

Technical field

The utility model is related to Down lamp accessory, more particularly to a kind of Down lamp radiator.

Background technology

LED is widely used on illuminator.LED down lamp is will to be aided with application specific architecture after LED light source array and group Into indoor universal illuminator.The technology trends of LED down lamp are long-life, specular removal and the low cost for pursuing light fixture. The problem that LED itself is present is that light fixture light efficiency is influenceed larger by junction temperature of chip, and higher junction temperature of chip will cause light efficiency Decline, and influence the service life of LED down lamp.Therefore, performance of the heat dissipation problem for lifting LED down lamp of LED down lamp is solved It is most important.With the continuous improvement of LED chip power output, existing LED down lamp radiator heat-dissipation effect need into one Step improves.

Utility model content

The purpose of this utility model is that the drawbacks described above for being directed to prior art radiates there is provided a kind of Down lamp of good heat dissipation effect Device.

To solve the drawbacks described above of prior art, the technical scheme that the utility model is provided is：A kind of Down lamp radiator, bag Cylindrical circular radiator shell is included, the upper end of the radiator shell is provided with upper end radiation shell, the upper end radiation shell and institute The upper end junction for stating radiator shell is provided with an annular groove, and the cavity of the upper end radiation shell and the radiator shell connects Logical, the madial wall of the upper end radiation shell is provided with the heat sink assembly extended obliquely downward, the cavity of the radiator shell Portion is provided with center radiating subassembly, if the cavity sidewalls of the radiator shell are interval with dry plate shell fin, each two institute Stating has certain gap between shell fin, and the upper end of the radiator shell is provided with the radiating connected with the gap Hole.

Improved as one kind of the utility model Down lamp radiator, the center radiating subassembly is set including multi-disc parallel interval The center fin member put, wherein three middle center fin member bottoms are connected using bottom connecting plate, the bottom connecting plate It is provided with mounting hole.

Improved as one kind of the utility model Down lamp radiator, the heat sink assembly dissipates including being connected to the upper end Hot shell and installing plate annular in shape, the upper plane of the installing plate are interval with multiple upper end housing fin.

Improved as one kind of the utility model Down lamp radiator, the cavity upper end of the radiator shell is provided with lamp holder Connection fastener.

Improved as one kind of the utility model Down lamp radiator, the lamp holder connection fastener is in circular arc, the lamp holder The two ends of connection fastener extend horizontally away a grab respectively.

Improved as one kind of the utility model Down lamp radiator, the madial wall of the upper end radiation shell is right provided with two It should set and in the buckle of inverted L-shaped.

Compared with prior art, the utility model has the advantages that：The utility model employs multigroup radiating subassembly, and every group dissipates Hot component can radiate to the heat of lamp body, add area of dissipation, and heat dissipation direction also has a variety of different directions, dissipate There is laterally arrangement also to have longitudinal arrangement for the arrangement of backing, while center fin member component, further increases area of dissipation, will Cavity radiating in the middle of radiator, and with outwards ventilative heat emission hole.The good heat dissipation effect of this radiator, area of dissipation Greatly, the service life of Down lamp can be greatly increased.

Brief description of the drawings

Just the utility model and its beneficial technique effect are made further in detail with embodiment with reference to the accompanying drawings below Thin description, wherein：

Fig. 1 is the utility model three-dimensional structure diagram.

Fig. 2 is the utility model rear perspective view.

Fig. 3 is the utility model top view.

Fig. 4 is the utility model upward view.

Reference title：

1st, radiator shell；

2nd, upper end radiation shell；

3rd, annular groove；

4th, heat sink assembly 41, installing plate 42, upper end housing fin；

5th, center radiating subassembly 51, center fin member 52, bottom connecting plate 53, mounting hole；

6th, shell fin；

7th, heat emission hole；

8th, lamp holder connection fastener；

9th, grab；

10th, buckle.

Embodiment

Just the utility model is further described with specific embodiment with reference to the accompanying drawings below, but implementation of the present utility model Mode is not limited to this.

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of Down lamp radiator, including cylindrical circular radiator shell 1, radiating The upper end of device shell 1 is provided with upper end radiation shell 2, and the upper end junction of upper end radiation shell 2 and radiator shell 1 is recessed provided with an annular Groove 3, upper end radiation shell 2 is connected with the cavity of radiator shell 1, and the madial wall of upper end radiation shell 2 is provided with what is extended obliquely downward Center radiating subassembly 5, the cavity sidewalls interval of radiator shell 1 are provided with the middle part of heat sink assembly 4, the cavity of radiator shell 1 If provided with dry plate shell fin 6, there is certain gap between each two shell fin 6, the upper end of radiator shell 1 is set There is the heat emission hole 7 connected with gap.

It is preferred that, center radiating subassembly 5 includes the center fin member 51 that multi-disc parallel interval is set, wherein middle three The bottom of center fin member 51 is connected using bottom connecting plate 52, and bottom connecting plate 52 is provided with mounting hole 53.

It is preferred that, heat sink assembly 4 includes being connected to upper end radiation shell 2 and installing plate 41 annular in shape, installing plate 41 Upper plane is interval with multiple upper end housing fin 42.One end of each upper end housing fin 42 is downward-sloping to be set.

It is preferred that, the cavity upper end of radiator shell 1 is provided with lamp holder connection fastener 8.

It is preferred that, lamp holder connection fastener 8 is in circular arc, and the two ends of lamp holder connection fastener 8 extend horizontally away a grab respectively 9。

It is preferred that, the madial wall of upper end radiation shell 2 is correspondingly arranged provided with two and in the buckle 10 of inverted L-shaped.

The utility model has the advantages that：The utility model employs multigroup radiating subassembly, and every group of radiating subassembly can be right The heat of lamp body is radiated, and adds area of dissipation, and heat dissipation direction also has a variety of different directions, and the arrangement of fin has Laterally arrangement also has longitudinal arrangement, while center fin member component, further increases area of dissipation, by the sky in the middle of radiator Cavity radiating, and with outwards ventilative heat emission hole.The good heat dissipation effect of this radiator, area of dissipation is big, can greatly increase The service life of Down lamp.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and structure a variety of changes, repaiies Change, replace and modification, scope of the present utility model is limited by appended claims and its equivalency range.

Claims

1. a kind of Down lamp radiator, including cylindrical circular radiator shell, it is characterised in that the upper end of the radiator shell Provided with upper end radiation shell, the upper end radiation shell is provided with an annular groove with the upper end junction of the radiator shell, described Upper end radiation shell is connected with the cavity of the radiator shell, and the madial wall of the upper end radiation shell is provided with what is extended obliquely downward Center radiating subassembly, the cavity sidewalls of the radiator shell are provided with the middle part of heat sink assembly, the cavity of the radiator shell If being interval between dry plate shell fin, shell fin described in each two has certain gap, outside the radiator The upper end of shell is provided with the heat emission hole connected with the gap.

2. Down lamp radiator according to claim 1, it is characterised in that the center radiating subassembly includes parallel of multi-disc Every the center fin member of setting, wherein three middle center fin member bottoms are connected using bottom connecting plate, the bottom connects Fishplate bar is provided with mounting hole.

3. Down lamp radiator according to claim 2, it is characterised in that the heat sink assembly includes being connected on described Radiation shell and installing plate annular in shape are held, the upper plane of the installing plate is interval with multiple upper end housing fin.

4. Down lamp radiator according to claim 3, it is characterised in that the cavity upper end of the radiator shell is provided with Lamp holder connection fastener.

5. Down lamp radiator according to claim 4, it is characterised in that the lamp holder connection fastener is in circular arc, described The two ends of lamp holder connection fastener extend horizontally away a grab respectively.

6. Down lamp radiator according to claim 5, it is characterised in that the madial wall of the upper end radiation shell is provided with two It is individual to be correspondingly arranged and in the buckle of inverted L-shaped.