CN210107259U

CN210107259U - Lamp set

Info

Publication number: CN210107259U
Application number: CN201921098710.7U
Authority: CN
Inventors: 谢青波
Original assignee: Shenzhen Aurora Technology Co Ltd
Current assignee: Shenzhen Aurora Technology Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-02-21
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to a lamp, including PCB board and integrated heat abstractor, the PCB board is the double-sided PCB board that the two sides all were suitable for installing LED lamp pearl, and the PCB board has two heat dissipation limit portions of relative setting, and integrated heat abstractor includes radiator and two heat dissipation arms, heat dissipation arm and radiator with medium integrated into one piece, two heat dissipation arms respectively with two heat dissipation limit portion laminating assemblies. The utility model discloses a two-sided PCB board improves the integration degree of PCB board and radiator with the assembly of integration heat abstractor, compares in two PCB boards of current adoption and radiator cooperation mode, the utility model discloses can improve the radiating efficiency effectively, the radiator of integration can reduce the switching number of times of heat between different medium, not isostructure, improves heat conduction efficiency, can further guarantee the radiating effect. Compare in the current mode that adopts two PCB board combinations, two-sided PCB board does not have extra intermediate layer, and thickness is less, and tow sides lamp pearl distance is more nearly, more accords with original halogen lamp light type.

Description

Lamp set

Technical Field

The utility model belongs to the technical field of the illumination, concretely relates to lamps and lanterns, especially car headlight.

Background

At present, the LED automobile head lamp has the advantages of energy conservation, environmental protection, low light attenuation, small interference and the like, and is gradually and widely applied. The LED automobile head lamp comprises a lamp body, a lamp bulb, a heat dissipation interlayer, a radiator, a heat dissipation interlayer, a heat dissipation layer and a lamp bulb, wherein the lamp bulb is arranged on the front side of the lamp bulb, the heat dissipation interlayer is arranged between the back sides of the two PCB boards, the two PCB boards are in contact with the radiator, the heat of the PCB is guided to the radiator through the heat dissipation interlayer, the heat dissipation efficiency of the heat dissipation mode is low, the heat of the PCB cannot be fully taken away, and the service life of the. Moreover, the thickness of the two PCB boards after being assembled together at intervals is too large, which does not meet the size requirement of the halogen lamp and cannot obtain the optimal light type. In addition, the heat dissipation efficiency and effect of the lamp are also seriously affected by the existing adopted split type radiator structure.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a lamps and lanterns relates to, can solve prior art's partial defect at least.

The embodiment of the utility model provides a lamp, including PCB board and integrated heat abstractor, the PCB board is the two-sided PCB board that the two sides all was suitable for installing LED lamp pearl, the PCB board has two heat dissipation limit portions of relative setting, integrated heat abstractor includes radiator and two heat dissipation arms, the heat dissipation arm with the same medium integrated into one piece of radiator, two the heat dissipation arm respectively with two the laminating assembly of heat dissipation limit portion.

In one embodiment, the two heat dissipation arms are respectively assembled with the two heat dissipation side portions by riveting.

In one embodiment, each of the two heat dissipating arms has an insertion groove, and the two heat dissipating side portions are inserted into the insertion grooves, respectively.

As one embodiment, the integrated heat sink further includes a heat dissipation fan, and the heat dissipation fan is embedded in and mounted on the heat sink.

In one embodiment, the heat sink is a hollow structure, and the through end of the heat sink is sealed by a tail cover of the heat sink.

In one embodiment, the heat sink is a hollow structure, the PCB is connected to a driving adapter plate, and the driving adapter plate is accommodated in a hollow cavity of the heat sink.

As one embodiment, the substrate of the PCB board is a copper plate, an aluminum plate or a composite substrate.

In one embodiment, the thickness of the PCB is 0.1-3 mm.

As one embodiment, the lamp further includes a power connection structure, and the power connection structure is directly disposed at the tail of the heat sink.

As one embodiment, the light fixture further comprises a mounting structure adapted to be removably mounted to the socket.

The embodiment of the utility model provides a following beneficial effect has at least:

the utility model provides a lamp adopts two-sided PCB board and integration heat abstractor assembly, improves the integration degree of PCB board and radiator, compares in two PCB boards of current adoption and radiator cooperation mode, the utility model discloses can improve the radiating efficiency effectively, the radiator of integration can reduce the switching number of times of heat between different medium, not isostructure, improves heat conduction efficiency, can further guarantee the radiating effect. Compare in the current mode that adopts two PCB board combinations, two-sided PCB board does not have extra intermediate layer, and thickness is less, and tow sides lamp pearl distance is more nearly, more accords with original halogen lamp light type.

Drawings

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

Fig. 1 is a schematic structural view of a lamp with a cooling fan according to an embodiment of the present invention;

fig. 2-4 are schematic structural diagrams of a lamp configured with a pure heat sink according to an embodiment of the present invention;

fig. 5 is a schematic top view of a lamp according to an embodiment of the present invention;

fig. 6 and 7 are schematic cross-sectional structural diagrams of a lamp provided by an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-7, the embodiment of the utility model provides a lamp, including PCB board 1 and integrated heat abstractor 2, PCB board 1 all is suitable for the two-sided PCB board 1 of installing the LED lamp pearl for the two sides, PCB board 1 has two heat dissipation limit portions of relative setting, integrated heat abstractor 2 includes radiator 22 and two heat dissipation arms 21, heat dissipation arm 21 with the same medium integrated into one piece of radiator 22, two heat dissipation arm 21 respectively with two the laminating of heat dissipation limit portion assembles.

The PCB 1 is preferably a copper substrate, an aluminum substrate, or a composite substrate, and has good thermal conductivity.

Double-sided PCB board 1 is existing equipment, all sets up the circuit on its two faces to all install LED lamp pearl according to the lighting requirements.

Taking the PCB board 1 as a rectangular board for example, it has four sides, including two long sides and two short sides, and two opposite long sides may be the above-mentioned heat dissipating sides for assembling with the above-mentioned two heat dissipating arms 21.

Obviously, one of the heat dissipating arms 21 is fitted to one of the heat dissipating side portions, and the other heat dissipating arm 21 is fitted to the other heat dissipating side portion. Then, the two heat dissipation arms 21 are also disposed oppositely.

For the assembly structure of the heat dissipation edge part and the heat dissipation arm 21, the heat dissipation arm 21 is preferably attached to the heat dissipation side wall at the heat dissipation edge part and the surfaces of the PCB boards at two sides, so that the contact area and the heat conduction efficiency are ensured.

As shown in fig. 5-7, the heat dissipating arm 21 and the heat dissipating side are preferably assembled by riveting, so that the heat dissipating arm 21 and the heat dissipating side are in close contact with each other and have a good heat conducting effect. In another embodiment, the two heat dissipation arms 21 are provided with embedded grooves, and the two heat dissipation edge parts are respectively embedded in the two embedded grooves; further, heat-conducting glue can be coated between the radiating arm 21 and the radiating edge portion, so that the radiating effect is ensured.

For the integrated heat dissipation device 2, the heat dissipation arm 21 and the heat sink 22 are integrally formed, and the heat conduction media adopted by the heat dissipation arm 21 and the heat sink 22 are the same, so that the switching times of heat between different media and different structures can be reduced, the heat conduction efficiency is improved, and the heat dissipation effect can be further ensured.

The lamp provided by the embodiment adopts the assembly of the double-sided PCB (printed circuit board) 1 and the integrated heat dissipation device 2, improves the integration degree of the PCB 1 and the heat dissipation device 2, and can effectively improve the heat dissipation efficiency compared with the prior mode of matching two PCBs and the heat dissipation device 2. Compare in the current mode that adopts two PCB board combinations, two-sided PCB board 1 does not have extra intermediate layer, and thickness is less, and positive and negative two sides lamp pearl distance is more nearly, more accords with original dress halogen lamp light type.

Conventionally, in the existing mode of combining two PCB boards, the thickness of the combined PCB boards is within the range of 3-5 mm; in the embodiment, the thickness of the double-sided PCB 1 can be controlled within the range of 0.1-3 mm, and the thickness is obviously reduced.

The structure of the lamp is further optimized, as shown in fig. 1 to 4, the heat sink 22 is a hollow structure and one end of the heat sink far away from the discrete hot arm 21 is a through end. In one embodiment, as shown in fig. 1, the integrated heat sink 2 further includes a heat dissipation fan 23, the heat dissipation fan 23 is embedded in the heat sink 22, and for example, a through end of the heat sink 22 can be sealed by the heat dissipation fan 23. By disposing the heat radiation fan 23, the heat radiation efficiency of the heat sink 2 can be further improved. The heat dissipation fan 23 is preferably detachably assembled with the heat sink 22, for example, the heat dissipation fan 23 is mounted on the heat sink 22 by a plurality of fixing screws, so as to facilitate disassembly and maintenance. In another embodiment, as shown in fig. 2 to 4, heat may be dissipated through a pure heat sink 22, that is, the heat dissipation fan 23 is not provided, but the heat dissipation requirements of the lamp can be satisfied through the heat dissipation capabilities of the heat sink 22 and the heat dissipation arm 21 themselves (for example, whether the heat dissipation fan 23 is configured or not is selected according to the power of the lamp), for example, as shown in fig. 2, the through end of the heat sink 22 is blocked by a heat sink tail cover 24.

The shape of the tail of the heat sink 22 is not limited, and the fishbone type, sunflower type, strip type, etc. are all in the range of application.

Further preferably, as shown in fig. 1 to 4, the PCB board 1 is connected with a driving adapter board 3, and the driving adapter board 3 is accommodated in the hollow cavity of the heat sink 22. The driving adapter plate 3 is arranged in the radiator 22, so that the driving adapter plate 3 can be well protected, meanwhile, the structure of the lamp is compact, the size of the lamp is reduced, and the application range is wide.

The drive adapter plate 3 described above is used to interface with a power connection structure, such as an input line 51. In one of the embodiments, the heat sink 22 may be provided with a threading opening for the arrangement of the input wires 51. In a further preferred embodiment, as shown in fig. 3 and 4, the power connection structure is directly disposed at the tail of the heat sink 22, i.e. at the end of the heat sink 22 remote from the discrete hot arm 21; the power connection structure may be an input cord 51 or an integral socket 52 or the like.

In addition, as shown in fig. 1-7, the lamp further includes a mounting structure adapted to be detachably mounted to the lamp socket, and in one embodiment, the mounting structure includes a clip 41 disposed on the integrated heat sink 2, the clip 41 is adapted to be clipped to the lamp socket, so that the lamp can be mounted to the lamp socket. The engaging portion of the clip 41 may be provided with a sealing ring 42 or the like, which is a conventional structure in the art and will not be described in detail. And, a light shielding plate 6 and the like may be further provided, and the mounting structure thereof is omitted here.

The lamp provided by the embodiment is preferably used as an automobile headlamp, and is also suitable for motorcycles, ships and other lamp application places.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A light fixture, characterized by: including PCB board and integrated heat abstractor, the PCB board is the double-sided PCB board that both sides all are suitable for installing LED lamp pearl, the PCB board has two heat dissipation limit portions of relative setting, integrated heat abstractor includes radiator and two heat dissipation arms, the heat dissipation arm with the same medium integrated into one piece of radiator, two the heat dissipation arm respectively with two the assembly of laminating of heat dissipation limit portion.

2. The luminaire of claim 1, wherein: and the two radiating arms are respectively assembled with the two radiating edge parts in a riveting way.

3. The luminaire of claim 1, wherein: the two radiating arms are provided with embedded grooves, and the two radiating edge parts are respectively embedded in the two embedded grooves.

4. The luminaire of claim 1, wherein: the integrated heat dissipation device further comprises a heat dissipation fan, and the heat dissipation fan is embedded in the heat sink.

5. The luminaire of claim 1, wherein: the radiator is of a hollow structure, and the penetrating end of the radiator is plugged through a radiator tail cover.

6. The luminaire of claim 1, wherein: the radiator is of a hollow structure, the PCB is connected with a driving adapter plate, and the driving adapter plate is contained in a hollow cavity of the radiator.

7. The luminaire of claim 1, wherein: the base plate of the PCB is a copper plate, an aluminum plate or a composite base plate.

8. The luminaire of claim 1, wherein: the thickness of the PCB is 0.1-3 mm.

9. The luminaire of claim 1, wherein: still include power connection structure, power connection structure directly set up in the afterbody of radiator.

10. The luminaire of claim 1, wherein: a mounting structure adapted to be removably mounted to the lamp holder is also included.