CN210624269U

CN210624269U - Heat radiation structure and cabinet lamp

Info

Publication number: CN210624269U
Application number: CN201921588891.1U
Authority: CN
Inventors: 侯守强; 温晓良; 黄振坤
Original assignee: Xiamen Eco Lighting Co Ltd
Current assignee: Xiamen Eco Lighting Co Ltd; Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-26
Anticipated expiration: 2029-09-23

Abstract

The utility model provides a heat radiation structure and cupboard lamp belongs to the lighting technology field, and heat radiation structure includes heat dissipation casing, fixed end cover and heat dissipation baffle. The cabinet lamp comprises any one of the heat dissipation structures. The utility model discloses heat radiation structure and cabinet lamp through separating the casing that looses the heat for two mutually independent heat dissipation chambeies and illumination chamber, install drive assembly and light-emitting component respectively in two chambeies, can fine protect electrical component, and the setting of heat dissipation baffle can prevent that a small part of heat that drive assembly produced from entering into the heat dissipation that the illumination intracavity influenced light-emitting component, the setting in chamber that looses the heat simultaneously has increased the heat radiating area in illumination chamber, the heat that makes the illumination intracavity produce can be through the quick heat dissipation that looses in heat dissipation chamber.

Description

Heat radiation structure and cabinet lamp

Technical Field

The utility model belongs to the technical field of the illumination, specifically speaking relates to a heat radiation structure and cabinet lamp.

Background

With the wider application range of LED lamps, high-power and high-brightness LED chips are produced; in recent years, with the successful development of high-power high-brightness LED chips and the continuous improvement of light reflection efficiency, more and more high-power high-brightness LEDs are beginning to enter the illumination field. As an important type of LED lamp, an LED cabinet lamp is widely used for cabinet lighting, and the cabinet lamp generates a large amount of heat during use. However, most of the existing cabinet lamps have the problem of poor heat dissipation performance, so that the cabinet lamps cannot dissipate heat in time when in use, parts of the cabinet lamps are aged, and the light emitting efficiency of the cabinet lamps is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat radiation structure and cabinet lamp aims at solving the poor part that leads to the cabinet lamp of current cabinet lamp heat dispersion problem ageing and that influences luminous efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a heat radiation structure, heat radiation structure is in including the heat dissipation casing, the setting that are used for with light-emitting component thermal connection the fixed end cover and the setting of the opening part of heat dissipation casing both sides are in heat dissipation baffle in the heat dissipation casing, the heat dissipation baffle will the inside partition of heat dissipation casing is for installing drive assembly's heat dissipation chamber and being used for installing light-emitting component's illumination chamber, the oral area in heat dissipation chamber still covers and is equipped with the heat dissipation apron, the oral area lid in illumination chamber is equipped with the light-transmitting member that is used for light to see through.

As another embodiment of the present application, the bottom of the illumination cavity is further provided with a fixing unit for installing the light emitting assembly, and the fixing unit compresses and fixes the light emitting assembly, so that the light emitting assembly abuts against the inner wall of the heat dissipation shell.

As another embodiment of the present application, the fixing unit includes a first pressing strip disposed at the bottom of the lighting cavity for pressing the light emitting device, and a second pressing strip disposed at the bottom of the lighting cavity and spaced from the first pressing strip, and the first pressing strip and the second pressing strip form an accommodating groove for accommodating the light emitting device.

As another embodiment of this application, the section bar that the heat dissipation casing encloses for sheet metal establishes, first compress tightly the strip with the second compress tightly the strip with the heat dissipation casing is a body structure, first compress tightly the strip with the second compresses tightly the strip and follows the length direction setting of heat dissipation casing.

As another embodiment of this application, the heat dissipation apron joint is fixed the oral area in heat dissipation chamber, the lateral wall of heat dissipation casing with one side of heat dissipation baffle all is provided with and is used for the installation the fixed slot of heat dissipation apron.

As another embodiment of the present application, the side surface of the heat dissipation cover plate close to the heat dissipation cavity is further provided with a plurality of heat dissipation rib plates, and the heat dissipation rib plates are arranged along the length direction of the heat dissipation cover plate.

As another embodiment of this application, the heat dissipation casing encloses the section bar of establishing for sheet metal, fixed end cover sets up respectively the both ends of heat dissipation casing.

As another embodiment of the present application, the heat dissipation partition plate and the heat dissipation housing are of an integrated structure, and the heat dissipation partition plate is disposed along the length direction of the heat dissipation housing.

As another embodiment of the present application, a control switch for controlling the on/off of the light emitting assembly is further disposed on the heat dissipation cover plate.

The utility model provides a heat radiation structure's beneficial effect lies in: compared with the prior art, the opening parts at the two ends of the heat dissipation shell are provided with the fixed end covers, the interior of the heat dissipation shell is divided into two mutually independent heat dissipation cavities and lighting cavities through the heat dissipation partition plates arranged inside the heat dissipation shell, the heat dissipation cavities are further covered with the heat dissipation cover plates, and the mouth parts of the lighting cavities are covered with the light transmission pieces. The utility model discloses heat radiation structure, through separating the heat dissipation casing for two mutually independent heat dissipation chambeies and illumination chamber, install drive assembly and light-emitting component respectively in two chambeies, can be fine protect electrical component, and the setting of heat dissipation baffle can prevent that a small part of heat that drive assembly produced from entering into the heat dissipation that the illumination intracavity influenced light-emitting component, the heat radiating area in illumination chamber has been increased in the setting in heat dissipation chamber simultaneously, the heat that makes the illumination intracavity produce can be through the quick heat dissipation that dispels in heat chamber, make the radiating effect of heat dissipation casing better.

The utility model also provides a cabinet lamp, including an arbitrary foretell heat radiation structure.

The utility model provides a cabinet lamp's beneficial effect lies in: compared with the prior art, the heat dissipation structure comprises any one of the heat dissipation structures. Through will dispel the heat the casing and separate for two mutually independent heat dissipation chambeies and illumination chamber, install drive assembly and light-emitting component respectively in two chambeies, can fine protect electrical component, and the setting up of heat dissipation baffle can prevent that a small part of heat that drive assembly produced from entering into the heat dissipation that the illumination intracavity influenced light-emitting component, the setting up in heat dissipation chamber has increased the heat radiating area in illumination chamber simultaneously, the heat that makes the illumination intracavity produce can be through the quick heat dissipation that dispels in heat chamber, make the radiating effect of heat dissipation casing better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

fig. 2 is a schematic cross-sectional structural view of a heat dissipation structure provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a heat dissipation housing according to an embodiment of the present invention.

In the figure: 1. a heat dissipating housing; 11. an illumination cavity; 12. a heat dissipation cavity; 13. fixing the clamping groove; 2. fixing an end cover; 3. a heat dissipating partition; 4. a heat dissipation cover plate; 41. a heat dissipation rib plate; 5. a light transmissive member; 6. a fixing unit; 61. a first compression bar; 62. a second compression bar; 7. a control switch; 8. a drive assembly; 9. a light emitting device.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. 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 and fig. 2, the heat dissipation structure of the present invention will now be described. Heat radiation structure, including being used for the heat dissipation casing 1 with light emitting component thermal connection, the fixed end cover 2 of the opening part of setting in 1 both sides of heat dissipation casing, and set up the heat dissipation baffle 3 in heat dissipation casing 1, the both sides and the top of heat dissipation casing 1 all are provided with the opening, heat dissipation baffle 3 is the heat dissipation chamber 12 that is used for installing drive assembly 8 and is used for installing light emitting component 9's illumination chamber 11 with the internal partitioning of heat dissipation casing 1, the oral area of heat dissipation chamber 12 still covers and is equipped with heat dissipation apron 4, the oral area lid in illumination chamber 11 is equipped with the printing opacity piece 5 that is used for light to pass through.

Compared with the prior art, the heat dissipation structure provided by the embodiment is provided with the fixed end covers 2 at the openings at the two ends of the heat dissipation shell 1, divides the interior of the heat dissipation shell 1 into two mutually independent heat dissipation cavities 12 and an illumination cavity 11 through the heat dissipation partition plates 3 arranged inside the heat dissipation shell 1, and is further provided with the heat dissipation cover plate 4 on the heat dissipation cavity 12 and the light transmission piece 5 at the opening part cover of the illumination cavity 11. The utility model discloses heat radiation structure, through separating heat dissipation casing 1 for two mutually independent heat dissipation chamber 12 and illumination chamber 11, install drive assembly 8 and light-emitting component 9 respectively in two chambeies, can fine protect electrical element, and the setting of heat dissipation baffle 3 can prevent that a small part of heat that drive assembly 8 produced from entering into the heat dissipation that influences light-emitting component 9 in illumination chamber 11, the setting of heat dissipation chamber 12 has increased the heat radiating area who throws light on chamber 11 simultaneously, the heat that makes the interior production of illumination chamber 11 can be through the quick heat dissipation that dispels heat in heat dissipation chamber 12.

As a specific implementation manner of the heat dissipation structure provided by the present invention, please refer to fig. 3 together, the bottom of the illumination cavity 11 is further provided with a fixing unit 6 for installing the light emitting component 9, and the fixing unit 6 compresses and fixes the light emitting component 9, so that the light emitting component 9 is abutted against the inner wall of the heat dissipation housing 1. The fixing unit 6 can compress and fix the light-emitting component 9 on the heat dissipation shell 1, so that the light-emitting component 9 is contacted with the inner wall of the heat dissipation shell 1 more closely, the heat conduction efficiency between the heat dissipation shell 1 and the light-emitting component 9 is higher, and the heat dissipation effect of the heat dissipation structure is better.

In this embodiment, still be provided with the heat-conducting layer between light emitting component 9 and the inner wall of heat dissipation casing 1, when light emitting component 9 (the PCB board that is equipped with LED lamp pearl promptly) installed on heat dissipation casing 1, paint the heat-conducting layer on the lateral wall of heat dissipation casing 1 earlier, then with the PCB board installation fixed to heat dissipation casing 1 on, make light emitting component 9 and heat dissipation casing 1 between the heat conduction effect better. The heat conducting layer is generally made of heat conducting adhesive, which is also called heat conducting silica gel, heat conducting RTV (room temperature vulcanized) rubber and heat conducting silicone rubber. The paste colloid is solidified by contacting with air and has heat-conducting adhesive property. The heat conducting layer can also adopt a heat conducting graphite sheet for heat conduction.

As a specific implementation manner of the heat dissipation structure provided in the present invention, please refer to fig. 2, the fixing unit 6 includes a first pressing strip 61 disposed at the bottom of the lighting cavity 11 and used for pressing the light emitting component 9, and a second pressing strip 62 disposed at the bottom of the lighting cavity 11 and spaced from the first pressing strip 61, and the first pressing strip 61 and the second pressing strip 62 form a receiving groove for receiving the light emitting component 9. First strip 61 and the second strip 62 that compresses tightly are separated from each other and the symmetry sets up, and first strip 61 and the second strip 62 that compresses tightly constitute and hold the recess and can insert light emitting component 9 when light emitting component 9 (be equipped with the PCB board of LED lamp pearl promptly) installs and can accomplish the installation of light emitting component 9 in holding the recess, make light emitting component 9's installation more convenient.

In this embodiment, first compressing strip 61 and second compressing strip 62 are the strip structure of cross section for the L type, and first compressing strip 61 and second compressing strip 62 symmetry set up, compress tightly light-emitting component 9 through the holding groove that first compressing strip 61 and second compressing strip 62 are constituteed and paste on the inner wall of heat dissipation housing 1.

As a specific implementation manner of the heat dissipation structure, please refer to fig. 3, the heat dissipation casing 1 encloses the section bar of establishing for sheet metal, and first compressing tightly strip 61 and second compress tightly strip 62 and heat dissipation casing 1 and be a body structure, and first compressing tightly strip 61 and second compress tightly strip 62 and set up along the length direction of heat dissipation casing 1. First compressing strip 61 and second compressing strip 62 and heat dissipation casing 1 are through extrusion, and first compressing strip 61 and second compressing strip 62 make first compressing strip 61 and second compress strip 62 and heat dissipation casing 1 between the heat conductivity better with heat dissipation casing 1 is the integral structure with first compressing strip 62, can compress strip 61 and second and compress strip 62 partial heat transfer that light emitting component 9 produced to heat dissipation casing 1 on.

In this embodiment, the first pressing strip 61 and the second pressing strip 62 may also be inclined convex strips supported by bending the metal plates constituting the heat dissipation housing 1. The length direction setting of section bar is followed to the slope sand grip is the contained angle setting with the inner wall of heat dissipation casing 1, and the slope opposite direction of two slope sand grips constitutes the recess that holds that is used for installing light-emitting component 9 between two slope sand grips, and the cross section that holds the recess this moment is trapezoidal. First compressing strip 61 and second compressing strip 62 adopt this kind of structure to make first compressing strip 61 and second compressing strip 62 and the heat conductivity between the heat dissipation casing 1 better, can compress strip 61 and second and compress strip 62 through first compressing strip and transmit partial heat to heat dissipation casing 1 on, make the radiating effect better.

As a specific embodiment of the heat dissipation structure provided in the present invention, please refer to fig. 1 and fig. 2, the slidable joint of the heat dissipation cover plate 4 is fixed at the opening of the heat dissipation cavity 12, and the side wall of the heat dissipation casing 1 and one side of the heat dissipation partition plate 3 are both provided with the fixing slot 13 for installing the heat dissipation cover plate 4. The setting of heat dissipation apron 4 can seal the oral area in heat dissipation chamber 12, and the protection that can be better sets up drive assembly 8 in heat dissipation chamber 12 inside, and heat dissipation apron 4 clamps the oral area in heat dissipation chamber 12 simultaneously, and the both sides of heat dissipation apron 4 are fixed with heat dissipation casing 1 through fixed slot 13 chucking, makes to form heat-conduction between heat dissipation apron 4 and the heat dissipation casing 1, and the area of contact with the air in heat dissipation chamber 12 has also been increased in the setting of heat dissipation apron 4.

In this embodiment, fixed slot 13's quantity is two, sets up respectively on the 3 sides of heat dissipation baffle and sets up the lateral wall in heat dissipation chamber 12 (on the lateral wall of the casing that dispels the heat promptly), and two fixed slot 13's opening direction sets up in opposite directions, two fixed slot 13 also structure as an organic whole with heat dissipation casing 1, all set up respectively on heat dissipation apron 4's the both sides with two fixed slot 13 fixed couple of cooperation, fixed couple and fixed slot 13 adopt such structure to make heat dissipation apron 4 fixed more firm, also make the both sides of heat dissipation apron 4 and the contact between the heat dissipation casing 1 inseparabler simultaneously, make the heat dispersion of heat dissipation casing 1 better.

As a specific implementation manner of the heat dissipation structure provided by the present invention, please refer to fig. 1 and fig. 2, the side of the heat dissipation cover plate 4 close to the heat dissipation cavity 12 is further provided with a plurality of heat dissipation rib plates 41, and the heat dissipation rib plates 41 are arranged along the length direction of the heat dissipation cover plate 4. The heat dissipation cover plate 4 is a metal plate covering the opening of the heat dissipation cavity 12, and the arrangement of the heat dissipation rib plate 41 increases the surface area of the heat dissipation cover plate 4, so that the contact area between the heat dissipation cover plate 4 and air is larger, and the heat dissipation effect of the heat dissipation cover plate 4 is better. The number of the heat radiation rib plates 41 is multiple.

As a specific embodiment of the heat dissipation structure provided by the present invention, please refer to fig. 3 and fig. 2, the heat dissipation housing 1 is a section bar enclosed by a metal plate, and the fixing end caps 2 are respectively disposed at two ends of the heat dissipation housing 1. The heat dissipation shell 1 is usually made of aluminum profiles, the aluminum profiles have the advantages of good heat conductivity and light weight, and the heat dissipation shell 1 is made of aluminum profiles, so that the heat dissipation shell is convenient to process and manufacture and low in cost.

As a specific implementation manner of the heat dissipation structure provided by the present invention, please refer to fig. 3 and fig. 2, the heat dissipation partition plate 3 and the heat dissipation casing 1 are an integrated structure, and the heat dissipation partition plate 3 is disposed along the length direction of the heat dissipation casing 1. The heat dissipation partition plate 3 and the heat dissipation shell 1 are of an integrated structure, so that the heat conductivity between the heat dissipation partition plate 3 and the heat dissipation shell 1 is better, and the contact area of the heat dissipation shell 1 in the outside is increased.

As a specific implementation manner of the heat dissipation structure provided by the present invention, please refer to fig. 1, the heat dissipation cover plate 4 is further provided with a control switch 7 for controlling the on/off of the light emitting component 9. The control switch 7 is electrically connected with the light-emitting component 9 and the driving component 8, the control switch 7 can control the connection and disconnection between the light-emitting component 9 and the driving component 8, the control switch 7 is convenient to control the opening and closing of the light-emitting component 9, and the lamp is more convenient to use.

The utility model also provides a cabinet lamp, cabinet lamp includes the heat radiation structure of above-mentioned arbitrary item. Through separating heat dissipation casing 1 for two mutually independent heat dissipation chamber 12 and illumination chamber 11, install drive assembly 8 and light-emitting component 9 respectively in two chambeies, can be fine protect electrical component, and the setting up of heat dissipation baffle 3 can prevent that the minor part heat that drive assembly 8 produced from entering into the heat dissipation that influences light-emitting component 9 in illumination chamber 11, the setting up of heat dissipation chamber 12 has increased the heat radiating area who throws light on chamber 11 simultaneously, the heat that makes the interior production of illumination chamber 11 can be through the quick heat dissipation that dispels heat in heat dissipation chamber 12.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A heat radiation structure is characterized in that: including being used for with the radiating shell of light-emitting component thermal connection, setting the fixed end cover of the opening part of radiating shell both sides and setting are in radiating baffle in the radiating shell, the radiating baffle will the inside partition of radiating shell is for being used for installing drive assembly's heat dissipation chamber and being used for installing light-emitting component's illumination chamber, the oral area in heat dissipation chamber still covers and is equipped with the heat dissipation apron, the oral area lid in illumination chamber is equipped with the printing opacity piece that is used for light to see through.

2. The heat dissipation structure of claim 1, wherein: the bottom of the illumination cavity is also provided with a fixing unit for installing the light-emitting component, and the fixing unit compresses and fixes the light-emitting component to enable the light-emitting component to be abutted against the inner wall of the heat dissipation shell.

3. The heat dissipation structure of claim 2, wherein: the fixing unit comprises a first pressing strip arranged at the bottom of the lighting cavity and used for pressing the light-emitting assembly, and a second pressing strip arranged at the bottom of the lighting cavity and arranged at intervals of the first pressing strip, and the first pressing strip and the second pressing strip form an accommodating groove used for accommodating the light-emitting assembly.

4. The heat dissipation structure of claim 3, wherein: the radiating shell is a section bar formed by enclosing metal plates, the first pressing strip and the second pressing strip are of an integral structure, and the first pressing strip and the second pressing strip are arranged along the length direction of the radiating shell.

5. The heat dissipation structure of claim 1, wherein: the heat dissipation cover plate is clamped and fixed at the opening of the heat dissipation cavity, and the side wall of the heat dissipation shell and one side of the heat dissipation partition plate are provided with fixing clamping grooves for installing the heat dissipation cover plate.

6. The heat dissipation structure of claim 5, wherein: the side face, close to the heat dissipation cavity, of the heat dissipation cover plate is further provided with a plurality of heat dissipation rib plates, and the heat dissipation rib plates are arranged along the length direction of the heat dissipation cover plate.

7. The heat dissipation structure of claim 6, wherein: the heat dissipation shell is a section surrounded by metal plates, and the fixed end covers are respectively arranged at two ends of the heat dissipation shell.

8. The heat dissipation structure of claim 7, wherein: the heat dissipation partition plate and the heat dissipation shell are of an integrated structure, and the heat dissipation partition plate is arranged along the length direction of the heat dissipation shell.

9. The heat dissipation structure as recited in any one of claims 1 to 8, wherein: and the heat dissipation cover plate is also provided with a control switch for controlling the light-emitting component to be opened and closed.

10. A cabinet light, characterized by: comprising the heat dissipation structure as recited in any one of claims 1 to 9.