CN211526142U

CN211526142U - Heat radiation lamp

Info

Publication number: CN211526142U
Application number: CN201922217168.9U
Authority: CN
Inventors: 吴晨俊; 蒋洪奎
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-18
Anticipated expiration: 2029-12-11

Abstract

The utility model provides a heat dissipation lamp, locate including drive assembly, light source board, be used for radiating piece, cover the lamp shade and the lamp holder of the luminous one side of light source board, drive assembly locates in the radiating piece, the light source board reaches the lamp holder is fixed in respectively the relative both sides of radiating piece, heat dissipation lamp still separates including at least drive assembly with the insulating layer of radiating piece contact position. The utility model provides a heat dissipation lamps and lanterns, the heat direct transfer of light source board to rather than the radiating piece of contact, then give off to the air in, the radiating rate is very fast, and the setting up of insulating layer can prevent the reverse transmission of heat on the radiating piece to drive assembly in addition, guarantees drive assembly's even heat dissipation. The radiating lamp does not need to be filled with glue, and the production efficiency of the lamp can be improved.

Description

Heat radiation lamp

Technical Field

The utility model belongs to the technical field of lamps and lanterns, more specifically say, relate to a heat dissipation lamps and lanterns.

Background

With the gradual development of lamps, the lamps with high power and large light pass are popular with consumers due to good lighting effect. However, the lamp with high power and large light flux has large heat productivity, and if the heat dissipation effect is not good, the service life of the lamp can be seriously affected. The heat dissipation is enhanced by adopting a heat conducting glue filling mode in the traditional process, but the filling process is complex, the filling efficiency is low, the lamp processing efficiency is low, and the heat dissipation effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat dissipation lamps and lanterns to solve the low, not good technical problem of radiating effect of machining efficiency who exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a heat dissipation lamp, includes drive assembly, light source board, is used for radiating piece, covers and locates lamp shade and the lamp holder of the luminous one side of light source board, drive assembly locates in the radiating piece, the light source board reaches the lamp holder is fixed in respectively the relative both sides of radiating piece, heat dissipation lamp still includes and separates at least drive assembly with the insulating layer of radiating piece contact position.

In one embodiment, the heat insulating layer is formed by extending an inner wall of the heat radiating member.

In one embodiment, the heat insulation layer is provided with two clamping grooves for clamping the driving assembly, the two clamping grooves are arranged oppositely, and two sides of a driving plate of the driving assembly are clamped in the two clamping grooves respectively.

In one embodiment, the edge of the drive assembly facing the heat sink is formed with the thermal insulation layer extending.

In one embodiment, a heat insulation support is arranged in the heat dissipation member, the driving assembly is fixed to the heat insulation support, and the heat insulation layer is an air layer between the heat insulation support and the heat dissipation member.

In one embodiment, the heat sink includes a case body having an opening, and the light source board is fixed to the opening of the case body.

In one embodiment, the heat sink further includes a cover body covering the opening, and the light source board is fixed to the cover body.

In one embodiment, the heat dissipation element is a metal element, or the heat dissipation element includes a metal layer and a plastic layer wrapped around the metal layer.

In one embodiment, the side of the heat dissipation member away from the light source board is provided with a vent hole.

In one embodiment, the insulating layer is a plastic layer, a foam layer, or a fiber layer.

The utility model provides a heat dissipation lamps and lanterns's beneficial effect lies in: compared with the prior art, the utility model discloses heat dissipation lamps and lanterns include drive assembly, light source board, radiating piece, lamp shade and lamp holder, and in the radiating piece was located to drive assembly, light source board and lamp holder were fixed in the relative both sides of radiating piece respectively, and were equipped with the insulating layer at the position of drive assembly and the contact of radiating piece at least. In the lamps and lanterns of big smooth of high-power, the calorific capacity of light source board is great, and the heat direct transfer of light source board is to rather than the radiating piece of contact, then gives off to the air in, and the radiating rate is very fast, and the setting up of insulating layer can prevent the reverse transmission of heat on the radiating piece to drive assembly in addition, guarantees drive assembly's even heat dissipation. The radiating lamp does not need to be filled with glue, and the production efficiency of the lamp can be improved.

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 introduced 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 inventive labor.

Fig. 1 is a three-dimensional structure diagram of a heat dissipation lamp provided in an embodiment of the present invention;

fig. 2 is an explosion structure diagram of a heat dissipation lamp provided in an embodiment of the present invention;

fig. 3 is a first perspective view of a heat sink according to an embodiment of the present invention;

fig. 4 is a second perspective view of a heat sink according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a heat sink; 11-a shell body; 111-a vent; 112-wire through hole; 113-a groove; 12-a cover body; 2-a light source plate; 3-a lampshade; 4-a drive assembly; 41-a drive plate; 5-a lamp holder; 6-eye patch.

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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, a heat dissipation lamp according to an embodiment of the present invention will now be described.

In one of the embodiments of the heat dissipating lamp, the heat dissipating lamp comprises a driving assembly 4, a light source board 2, a heat dissipating member 1, a lamp shade 3 and a lamp cap 5. The lampshade 3 covers the light emitting side of the light source plate 2, and the backlight side of the light source plate 2 is fixed on the heat sink 1. The light source board 2 is generally made of an aluminum substrate so that heat generated from the light source board 2 can be quickly transferred to the air through the heat sink 1, preventing the heat from being transferred to the driving assembly 4. Light source board 2 and lamp holder 5 are located the relative both sides of radiating piece 1 respectively, and the distance is great between lamp holder 5 and the light source board 2, prevents that the heat of light source board 2 from transmitting to lamp holder 5. The driving component 4 is arranged in the heat radiating piece 1, and the contact position between the driving component 4 and the heat radiating piece 1 is provided with a heat insulation layer, so that the driving component 4 is separated from the heat radiating piece 1, the heat on the heat radiating piece 1 can be prevented from being reversely conducted to the driving component 4, the local temperature rise of the driving component 4 is prevented, the driving component 4 can uniformly radiate the heat, and the influence of the heat of the light source plate 2 is avoided. The heat dissipation lamp in the embodiment can meet the heat dissipation requirement without glue pouring, the problem of low efficiency caused by low glue pouring efficiency is avoided, a large number of defective products caused by a glue pouring process are also avoided, and the overall assembly efficiency and the assembly quality of the lamp are improved. And the encapsulating of traditional handicraft directly pours into in radiating piece 1, leads to radiating piece 1 can't set up air vent 111, can not in time discharge the harmful gas in the lamps and lanterns, and the lamp pearl on the light source board 2 is damaged easily to harmful gas. The light emitting lamp in this embodiment can be applied to various types of lamps, including but not limited to lamp types B35, P45, a60, ST64, G95, G125, and the like.

The heat dissipation lamp in the above embodiment includes the driving assembly 4, the light source board 2, the heat dissipation member 1, the lamp shade 3, and the lamp cap 5, the driving assembly 4 is disposed in the heat dissipation member 1, the light source board 2 and the lamp cap 5 are respectively fixed to two opposite sides of the heat dissipation member 1, and a heat insulation layer is at least disposed at a position where the driving assembly 4 contacts the heat dissipation member 1. In the lamps and lanterns of big smooth of high-power, calorific capacity of light source board 2 is great, and the heat direct transfer of light source board 2 is to the radiating piece 1 rather than the contact, then gives off to the air in, and the radiating rate is very fast, and the setting up of insulating layer can prevent the reverse transmission of heat on the radiating piece 1 to drive assembly 4 in addition, guarantees drive assembly 4's even heat dissipation. The radiating lamp does not need to be filled with glue, and the production efficiency of the lamp can be improved.

In one embodiment of the heat insulation layer, the heat insulation layer is formed by extending the inner wall of the heat dissipation member 1, and the heat insulation layer can separate the heat dissipation member 1 from the driving assembly 4. In this embodiment, the material of the insulating layer may be the same as or different from the material of the heat sink 1. For example, the heat dissipation member 1 is a plastic member or a plastic member wrapped with a metal layer, the heat insulation layer is also a plastic member, the heat dissipation member 1 and the heat insulation layer are integrally injection-molded, and the heat dissipation member 1 and the heat insulation layer are made of the same material. The heat dissipation member 1 is a metal member, the heat insulation layer is a plastic member, and the heat insulation layer is integrally formed with the heat dissipation member 1 in a nano injection molding mode and the like.

In the above embodiment of the thermal insulation layer, two slots for clamping the driving component 4 are formed on the thermal insulation layer, the two slots are arranged oppositely, and two sides of the driving plate 41 of the driving component 4 are respectively clamped in the two slots. The two clamping grooves are provided with openings, and the openings of the two clamping grooves are opposite to each other, so that two edges of the driving plate 41 can be just inserted. Optionally, one end of the card slot has a stopper, so that the driving board 41 can be limited in the card slot after being inserted into the card slot, and the driving board 41 correspondingly has a step abutting against the stopper. Furthermore, since the driving assembly 4 is disposed in the heat sink 1, one side of the driving board 41 is restricted by the stopper portion and cannot move, and the other side of the driving board 41 can be restricted by the inner wall of the heat sink 1 and cannot move, so as to prevent the driving board 41 from shaking in the slot.

In another embodiment of the insulation layer, the edge of the drive assembly 4 facing the heat sink 1 is extended with an insulation layer. In this embodiment, the thermal insulation layer is extended from the edge of the driving module 4, for example, the thermal insulation layer is extended from the edge of the driving plate 41 of the driving module 4, and it is sufficient to separate the driving module 4 itself and the heat sink 1. The material of the thermal insulation layer may be the same as or different from that of the driving plate 41. For example, the driving plate 41 is made of a resin material, the heat insulating layer is also made of a resin material, and the driving plate 41 and the heat insulating layer are integrally molded; the driving plate 41 is made of resin material, the heat insulation layer is made of plastic material, and the driving plate and the heat insulation layer are integrally formed through modes such as nano injection molding.

In a further embodiment of the insulation layer, which is an air layer between the insulation bracket and the heat sink 1, a heat insulation bracket is provided in the heat sink 1, to which the drive assembly 4 is fixed. The heat insulating support has poor heat conduction performance, and can prevent the heat of the heat radiating member 1 from being conducted to the driving assembly 4 through the heat insulating support. In this embodiment, the heat insulation bracket is provided with the two above-mentioned slots, and two sides of the driving plate 41 are respectively clamped in the slots, so that the driving assembly 4 is clamped in the heat insulation bracket.

In one embodiment of the heat dissipating element 1, the heat dissipating element 1 includes a housing body 11, an opening is formed on one side of the housing body 11 facing the light source board 2, and the light source board 2 is directly fixed at the opening of the housing body 11, so that the light source board 2 and the driving assembly 4 can be electrically connected through the opening by cables, pins, etc. In assembly, the driving assembly 4 is first installed into the case body 11, and then the light source board 2 is directly fixed to the opening of the heat sink 1. The heat generated from the light source board 2 is directly transferred to the case body 11 through the contact position with the case body 11. The light source board 2 is usually an aluminum substrate, and the heat sink 1 is usually a metal member, a metal member wrapped with a plastic layer, or the like, so that heat conduction between the light source board 2 and the case body 11 is fast.

Referring to fig. 2, in another embodiment of the heat sink 1, the heat sink 1 includes a housing body 11 and a cover 12, the housing body 11 has an opening on a side facing the light source board 2, and the light source board 2 is fixed on the cover 12. The heat of the light source board 2 can be directly transferred to the cover 12, and then transferred to the case body 11 through the cover 12, and is dissipated to the outside through the cover 12 and the case body 11. The cover body 12 is arranged to make the light source plate 2 easier to fix and larger in installation area, and to increase the contact area between the light source plate 2 and the heat dissipation member 1, so as to facilitate the rapid heat dissipation of the light source plate 2. When assembling, the light source plate 2 may be mounted to the cover body 12 first, and then integrally mounted to the case body 11, or the cover body 12 may be assembled to the case body 11 first, and then the light source plate 2 is fixed to the cover body 12.

Optionally, please refer to fig. 3, a vent hole 111 is formed in a side of the heat sink 1 away from the light source board 2, the light source board 2 and the driving assembly 4 can emit gas harmful to the lamp beads of the light source board 2 when the light source board and the driving assembly generate heat in long-term operation, if the harmful gas cannot be discharged in time, the performance of the lamp beads can be affected, and the harmful gas can be discharged in time due to the vent hole 111.

Optionally, one end of the heat sink 1 facing away from the light source board 2 has a wire through hole 112, so that the driving assembly 4 and the lamp head 5 can be connected by an electrical connector such as a cable or a pin.

Alternatively, the thermal insulation layer can be made of a material with better thermal insulation performance, such as a plastic layer, a foam layer or a fiber layer. In this way, the heat sink 1 and the driving assembly 4 can be well isolated, and the heat of the heat sink 1 is prevented from being reversely transferred to the driving assembly 4. The heat insulation layer can also be a metal layer, so that the heat dissipation balance of the driving component 4 can be ensured.

Referring to fig. 1 and 2, in one embodiment of the light emitting lamp, a lamp cap 5 and a light source board 2 are respectively fixed at two ends of a heat sink 1. More specifically, the outer periphery of the heat sink 1 is arc-shaped, and the base 5 and the light source plate 2 are fixed to both ends of the heat sink 1 in the axial direction, respectively. The lamp base 5 may have an external thread, by means of which it is rotatably connected into the lamp base, is electrically conductively connected and fixedly connected with the lamp base. Wherein, the lamp holder 5 is a metal piece.

Alternatively, an end portion of the heat sink 1 is inserted into the base 5. Referring to fig. 4, the end of the heat sink 1 has a groove 113, and the lamp cap 5 is thin-walled and the portion corresponding to the groove 113 is embedded in the groove 113 of the heat sink 1, so that the lamp cap 5 is fixed to the heat sink 1 and the lamp cap 5 is prevented from rotating circumferentially relative to the heat sink 1.

Optionally, referring to fig. 2, in one embodiment of the light emitting lamp, an eye piece 6 is disposed at a top end of the lamp cap 5, the eye piece 6 is screwed into the lamp cap 5, when the lamp cap 5 is screwed into the lamp holder, the lamp cap 5 is electrically connected to a negative electrode of the lamp holder, and the eye piece 6 is electrically connected to a positive electrode of the lamp holder.

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

Claims

1. Heat dissipation lamps and lanterns, its characterized in that: including drive assembly, light source board, be used for radiating piece, cover to locate lamp shade and the lamp holder of the luminous one side of light source board, drive assembly locates in the radiating piece, the light source board reaches the lamp holder is fixed in respectively the relative both sides of radiating piece, heat dissipation lamps and lanterns still include at least to separate drive assembly with the insulating layer of radiating piece contact position.

2. The heat dissipating luminaire of claim 1, wherein: the heat insulation layer is formed by extending the inner wall of the heat dissipation piece.

3. The heat dissipating luminaire of claim 2, wherein: two clamping grooves used for clamping the driving assembly are formed in the heat insulation layer and are opposite to each other, and two sides of a driving plate of the driving assembly are clamped in the two clamping grooves respectively.

4. The heat dissipating luminaire of claim 1, wherein: the edge of the driving assembly facing the heat dissipation piece extends to form the heat insulation layer.

5. The heat dissipating luminaire of claim 1, wherein: the heat-insulation support is arranged in the heat-insulation piece, the driving assembly is fixed on the heat-insulation support, and the heat-insulation layer is an air layer between the heat-insulation support and the heat-insulation piece.

6. The heat dissipating luminaire of claim 1, wherein: the heat dissipation piece comprises a shell body with an opening, and the light source board is fixed at the opening of the shell body.

7. The heat dissipating luminaire of claim 6, wherein: the heat dissipation piece further comprises a cover body covering the opening, and the light source board is fixed on the cover body.

8. The heat dissipating luminaire of any one of claims 1-7, wherein: the heat dissipation piece is a metal piece, or the heat dissipation piece comprises a metal layer and a plastic layer wrapped on the periphery of the metal layer.

9. The heat dissipating luminaire of any one of claims 1-7, wherein: and one side of the heat dissipation part, which is far away from the light source plate, is provided with a vent hole.

10. The heat dissipating luminaire of any one of claims 1-7, wherein: the heat insulation layer is a plastic layer, a foam layer or a fiber layer.