CN210532248U

CN210532248U - LED lamp with adjustable light emitting color

Info

Publication number: CN210532248U
Application number: CN201921926733.2U
Authority: CN
Inventors: 关天明
Original assignee: Guangzhou Yuliang Lighting Electrical Appliance Manufacturing Co ltd
Current assignee: Guangzhou Yuliang Photoelectric Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-05-15
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a light-emitting colour adjustable LED lamps and lanterns, including the lamp body, anti-dazzle light cover, first light source, second light source and light-passing board, first light source and second light source send the light of different colours, form the appearance chamber that has first light-emitting mouth in the lamp body, anti-dazzle cover is located and holds the intracavity, the inner wall of its cavity extends towards the center of cavity and is provided with multi-disc anti-dazzle fin, multi-disc anti-dazzle fin encloses towards the one end at the center of cavity and closes formation second light-emitting mouth, form the light-emitting clearance between the two adjacent anti-dazzle fins, first light source is located and is held the intracavity and aim at the setting of second light-emitting mouth, first light source periphery is located and holds the intracavity to aim at the light-emitting clearance setting, the light-passing board closing cap is in first. The LED lamp provided by the embodiment is provided with the first light source and the second light source in the lamp shell, and the two light sources can emit light rays with different colors, so that the LED lamp can show light effects with different colors, and the LED lamp can be used in more occasions.

Description

LED lamp with adjustable light emitting color

Technical Field

The utility model relates to an illumination lamps and lanterns technical field especially relates to a light-emitting colour adjustable LED lamps and lanterns.

Background

With the development of high technology and the continuous improvement of the living standard of people, people put forward new requirements on LED lamps, and the LED lamps are not only expected to meet the use requirements of illumination, but also expected to produce corresponding light scenes, color temperatures, brightness and the like in the use process.

However, most of the LED lamps on the market generally can only emit light with a single color, and the light emitting color is very single, so that the LED lamps have a single light effect, and cannot meet the requirements of people on color temperatures in different environments and create a good light atmosphere.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses light-emitting colour adjustable LED lamps and lanterns not only can demonstrate the light effect of multiple different colours, but also can improve the radiating effect of LED lamps and lanterns, is favorable to prolonging the life of LED lamps and lanterns.

In order to achieve the above object, the utility model provides a light-emitting color adjustable LED lamp, include:

the lamp shell is internally provided with a cavity with a first light outlet;

the anti-dazzle light cover is arranged in the containing cavity, a cavity with an upper opening and a lower opening is formed in the anti-dazzle light cover in a hollow mode, the upper opening and the lower opening of the cavity are communicated with the first light outlet, a plurality of anti-dazzle fins extend towards the center of the cavity on the inner wall of the cavity, one ends, facing the center of the cavity, of the anti-dazzle fins are enclosed to form a second light outlet, and a light outlet gap is formed between every two adjacent anti-dazzle fins;

the first light source is arranged in the cavity and is aligned with the second light outlet;

the second light source is arranged on the periphery of the first light source and is positioned in the cavity, and the second light source is aligned to the light-emitting gap; and

the light-transmitting plate is covered on the first light outlet and used for transmitting light rays emitted by the first light source and the second light source;

wherein the first light source and the second light source emit light rays of different colors.

As an optional implementation manner, in an embodiment of the present invention, the second light sources are a plurality of light sources, the plurality of second light sources are annularly disposed on the periphery of the first light source, and each of the second light sources emits light through the different light-emitting gaps.

As an optional implementation manner, in an embodiment of the present invention, the second light outlet is provided with a first extending portion extending downward, and an inner cavity of the first extending portion is hollow and forms an upper and lower opening;

the LED lamp further comprises a reflecting cup with a light inlet and a third light outlet, the light inlet is aligned with the first light source, and the third light outlet is abutted against the lower opening of the inner cavity.

As an optional implementation manner, in the embodiment of the present invention, the LED lamp further includes a heat sink disposed inside the lamp housing, the heat sink is hollow and sleeved outside the anti-glare cover, and the outer surface of the heat sink surrounds and extends outwards with a plurality of first heat dissipation fins disposed at intervals.

As an optional implementation manner, in an embodiment of the present invention, a first step extends around an outer surface of the antiglare cap, an upper surface of the first step is lower than an upper surface of the antiglare cap, the first step extends outward to form a second step, the second step is disposed around the outer surface of the first step, and the upper surface of the second step is higher than the upper surface of the antiglare cap;

the second step is provided with a plurality of heat dissipation holes in a ring mode, and each heat dissipation hole is arranged over against a heat dissipation gap between every two adjacent first heat dissipation fins.

As an optional implementation manner, in an embodiment of the present invention, the outer surface of the heat sink is further provided with a first connecting portion, and a second connecting portion extends downward from the bottom of the first step, and the second connecting portion is fixedly connected to the first connecting portion.

As an optional implementation manner, in an embodiment of the present invention, the lamp housing includes a bottom shell and an upper shell, and the upper shell forms the cavity;

the LED lamp further comprises a fixing support, the fixing support is fixed on the bottom shell and located in the containing cavity, the fixing support is arranged in the hollow portion, a power supply and a control panel electrically connected with the power supply are arranged in the hollow portion of the fixing support, and the bottom of the radiator is located in the hollow portion of the fixing support.

As an optional implementation manner, in an embodiment of the present invention, the LED lamp further includes a fixing ring, the fixing ring is disposed on an upper portion of the fixing bracket, and the fixing ring is sleeved on an upper periphery of the heat sink;

each first radiating fin comprises a first fin part and a second fin part, the first fin part is arranged on the outer surface of the bottom of the radiator, the second fin part extends upwards from the first fin part and is arranged on the upper portion of the radiator, the first fin part extends outwards to form a second extending part, and the second extending part is fixedly connected with the bottom of the fixing ring.

As an optional implementation manner, in the embodiment of the present invention, the LED lamp further includes a fan, the outer wall surface of the fixing bracket extends outward to form an installation portion, the installation portion is provided with an installation space communicated with the hollow portion of the fixing bracket, the fan is located in the installation space and fixed on the bottom shell, and the air outlet surface of the fan faces the hollow portion of the fixing bracket.

As an optional implementation manner, in an embodiment of the present invention, a plurality of second heat dissipation fins are disposed around the bottom shell.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the lighting effect of different colors is presented, and the light emitting effect of the LED lamp is favorably improved. The embodiment of the utility model provides a pair of LED lamps and lanterns of light-emitting colour adjustable is equipped with first light source and second light source in the lamp body, and wherein this first light source and second light source can send the light of different colours for LED lamps and lanterns can demonstrate the light effect of different colours, and decorative effect is better, thereby can satisfy the use of more occasions.

Furthermore, the utility model discloses a LED lamp, through designing into its inside cavity with anti-dazzle light cover and being formed with under shed's cavity, inner wall at this cavity extends towards the center of cavity and is provided with multi-disc anti-dazzle light fin, wherein, form the light-emitting clearance between two adjacent anti-dazzle light fins, multi-disc anti-dazzle light fin encloses towards the one end at the center of cavity and closes formation second light-emitting window, make first light source and second light source can shine away from the light-emitting window of difference, both light mutual noninterference, thereby make LED lamp can demonstrate the light of different colours simultaneously, it is more characteristic, improve the pleasing to the eye degree of LED lamp.

(2) The heat dissipation efficiency of the LED lamp can be improved. The utility model discloses a LED lamp, through designing the radiator into tubular structure, all set up first light source, second light source and anti-light cup in the inner chamber of radiator, can increase thermal diffusion area to can make the heat diffusion that first light source and second light source produced to the outside of lamp body high-efficiently, promote the radiating efficiency of LED lamp by a wide margin, and then can prolong the life of LED lamp effectively.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an LED lamp provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the LED lamp of FIG. 1 without the upper housing;

FIG. 3 is an exploded view of the LED light fixture of FIG. 2;

FIG. 4 is a schematic structural diagram of an anti-glare cover according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic structural view of the LED lamp of FIG. 2 without showing a retaining ring and a retaining bracket;

fig. 7 is a schematic structural view of a bottom case and a fixing bracket according to 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 work belong to the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The embodiment of the utility model discloses light-emitting colour adjustable LED lamps and lanterns is equipped with first light source and second light source in the lamp body, and wherein this first light source and second light source can send the light of different colours to make LED lamps and lanterns can demonstrate the light effect of different colours, can satisfy the use of more occasions, build good light atmosphere.

The technical solution of the present invention will be further described with reference to the following embodiments and the accompanying drawings.

Please refer to fig. 1 to 4 together, the embodiment of the utility model provides a light-emitting colour adjustable LED lamps and lanterns, this LED lamps and lanterns 100 includes lamp body 1, anti-dazzle light cover 2, first light source (not shown), second light source 3 and light-passing board 4, form the appearance chamber that has first light-emitting mouth in the lamp body 1, anti-dazzle light cover 2 is located and is held the intracavity, and anti-dazzle light cover 2 inside cavity is formed with upper and lower open-ended cavity, the upper and lower opening and the first light-emitting mouth intercommunication of this cavity, and the inner wall of cavity extends towards the center of cavity and is provided with multi-disc anti-dazzle fin 20, multi-disc anti-dazzle fin 20 encloses towards the one end at the center of cavity and closes formation second light-emitting mouth 21, form the light-emitting clearance between two adjacent anti-. The first light source is arranged in the containing cavity and is aligned with the second light outlet 21, the second light source 3 is arranged on the periphery of the first light source and is positioned in the containing cavity, the second light source 3 is aligned with the light outlet gap, and the first light source and the second light source 3 emit light rays with different colors. The light-transmitting plate 4 is covered on the first light-emitting port and used for transmitting light rays emitted by the first light source and the second light source 3.

Preferably, the anti-glare shield 2 is a circular cover, and the anti-glare fins 20 are radially distributed on the cavity.

Through set up the LED lamp pearl of multiple light-emitting colour in lamp body 1 as the light source of LED lamps and lanterns 100, foretell first light source and second light source 3 for example, at during operation, this first light source and second light source 3 can send the light of different colours, can send blue light like first light source, and second light source 3 can send white light, so that LED lamps and lanterns 100 can demonstrate different light colour, the light effect of LED lamps and lanterns 100 has been richened, thereby can build good light atmosphere, satisfy the use of more occasions.

As shown in fig. 3, 4 and 6, in the present embodiment, the number of the second light sources 3 may be multiple. The plurality of second light sources 3 can be arranged around the periphery of the first light source in a surrounding manner, and each second light source 3 emits light through different light-emitting gaps, so that the anti-dazzle fins 20 which are radially distributed on the anti-dazzle shade 2 can be utilized, and light rays emitted by the plurality of second light sources 3 are uniformly emitted out, so that the dazzle value of the LED lamp 100 is reduced. Specifically, the angle θ formed by two adjacent antiglare panels may be 5.5 ° to 8.8 °, for example: the angle θ may be 5.5 °, 5.8 °, 6.5 °, 7.8 °, 8.0 °, 8.8 °, or the like. And the thickness d of each anti-glare plate can be 1.2mm to 3.8mm, for example: the thickness d may be 1.2mm, 1.7mm, 2.2mm, 2.7mm, 3.2mm, 3.8mm, or the like. Thus, the antiglare cover 2 can have a better antiglare function.

Further, in order to make the LED lamp 100 show more different light colors, each of the second light sources 3 may be preferably a dual-color-temperature LED lamp or a three-color-temperature LED lamp, so that each of the second light sources 3 can emit light rays with a plurality of different colors, thereby enriching the light effect of the LED lamp 100.

It can be known, the utility model discloses a LED lamps and lanterns 100, the utilization is designed into its inside cavity with anti-dazzle shade 2 and is formed with upper and lower open-ended cavity, it is provided with the anti-dazzle fin 20 that the multi-disc is radial distribution to extend towards the center of cavity at the inner wall of this cavity, can form the light-emitting clearance that is used for the light that sends through second light source 3 between the two adjacent anti-dazzle fins 20, and multi-disc anti-dazzle fin 20 encloses towards the one end at the center of cavity and closes the second light-emitting opening 21 that can form the light that is used for sending through first light source, make first light source and second light source 3 shine away from the light-emitting opening of difference, thereby make the light that first light source and second light source 3 sent mutually noninterfere, so that LED lamps and lanterns 100 can demonstrate the light of different colours simultaneously, it is more characteristic, promote the light-emitting.

In order to ensure that the light beams emitted by the first light source and the second light source 3 are not mixed together, the second light outlet 21 is provided with a first extending portion 22 extending downward. Specifically, the interior of the first extension portion 22 is hollow to form an inner cavity with an upper opening and a lower opening, the LED lamp 100 further includes a reflective cup 5 having an incident opening and a third exit opening, the incident opening of the reflective cup 5 is aligned with the first light source, and the third exit opening of the reflective cup 5 abuts against the lower opening of the inner cavity, so that it can be ensured that all light emitted by the first light source exits through the second exit opening 21, and is not mixed into light emitted by the second light source 3.

In this embodiment, a power supply 12 and a control board 13 electrically connected to the power supply 12 are further disposed in the lamp housing 1. This control panel 13 still is connected with 3 electricity of first light source and second light source respectively, and control panel 13 can also with the cell-phone, electronic equipment such as remote controller or intelligent wrist-watch establish signal connection, thereby make the utility model discloses a LED lamps and lanterns 100 can carry out remote control with the help of electronic equipment such as cell-phone, remote controller or intelligent wrist-watch, when the light colour of LED lamps and lanterns 100 needs to be changed, the user that is located the far away of LED lamps and lanterns 100 need not to remove to LED lamps and lanterns 100, can be through controlling the cell-phone with LED lamps and lanterns 100 signal connection, remote controller or intelligent wrist-watch alright change the light colour of LED lamps and lanterns 100 for controlling of LED lamps and lanterns 100.

It can be known that the electro-optic conversion efficiency of the LED lamp 100 is generally only 20% -35%, and the rest 65% -80% of the electric energy is converted into heat in the form of heat energy, and the LED lamp 100 of the present invention is no exception, and the first light source and the second light source 3 also generate a large amount of heat in the using process. Therefore, in order to avoid that heat generated by the light source is accumulated in the cavity of the lamp housing 1 to affect the service life of the LED lamp 100, as shown in fig. 3 and 6, the LED lamp 100 further includes a heat sink 6. Specifically, the heat sink 6 is disposed inside the lamp housing 1, and a plurality of first heat dissipation fins 60 arranged at intervals extend around the outer surface of the heat sink. The interior of the heat sink 6 is hollow and is sleeved outside the antiglare shield 2, and the first light source, the second light source 3 and the reflective cup 5 are all arranged inside the heat sink 6.

That is to say, through designing radiator 6 into the barrel structure, all set up first light source, second light source 3 and anti-light cup 5 in radiator 6's inside, can increase thermal diffusion area to can make the heat that first light source and second light source 3 produced diffuse to the outside of lamp body 1 high-efficiently, promote the radiating efficiency of LED lamps and lanterns 100 by a wide margin, make LED lamps and lanterns 100 have good radiating effect, and then can prolong LED lamps and lanterns 100's life effectively.

Referring to fig. 4 to 6, in the present embodiment, in order to fix the antiglare cap 2 on the heat sink 6, the outer surface of the heat sink 6 is further provided with a first connection portion 61, the outer surface of the antiglare cap 2 may extend outward around the first step 23 integrally formed with the antiglare cap 2, and thus, the second connection portion 231 may be formed around the first step 23, wherein the second connection portion 231 extends downward from the bottom of the first step 23, and the second connection portion 231 is fixedly connected to the first connection portion 61. Specifically, a first screw hole may be provided in the first connection portion 61, a second screw hole 232 may be provided in the second connection portion 231, and the antiglare cap 2 may be fixed to the heat sink 6 by using a bolt or a screw passing through the first and second screw holes 232.

However, with the above design, light may pass through the second threaded hole 232, which may cause light leakage, and therefore, the upper surface of the first step 23 may be preferably lower than the upper surface of the antiglare cover 2, so that a stop ring 2a may be further attached to the first step 23 to avoid light leakage.

Further, in order to further improve the heat dissipation efficiency of the LED lamp 100, the outer surface of the first step 23 extends outward to surround the second step 24, wherein the upper surface of the second step 24 is higher than the upper surface of the antiglare cover 2, and a plurality of heat dissipation holes 241 are annularly disposed on the second step 24. Specifically, each heat dissipation hole 241 is disposed over against a heat dissipation gap between two adjacent first heat dissipation fins 60, so that the heat dissipation gap between two adjacent first heat dissipation fins 60 can form convection with the outside air, and the heat generated by the first light source and the second light source 3 can be effectively dissipated to the outside of the lamp housing 1.

In the present embodiment, the lamp housing 1 includes a bottom case 10 and an upper case 11 forming a cavity. In order to fix the heat sink 6 in the lamp housing 1, the LED lamp 100 further includes a fixing bracket 7 fixed on the bottom case 10 and located in the cavity, so that the heat sink 6 can be fixed in the lamp housing 1 by the fixing bracket 7. Specifically, the fixing bracket 7 is hollow, the power supply 12 and the control board 13 are disposed on the bottom case 10 and located in the hollow portion of the fixing bracket 7, and the bottom of the heat sink 6 is located in the hollow portion of the fixing bracket 7.

Further, in order to firmly fix the fixing bracket 7 on the bottom case 10, the bottom case 10 extends upward to form a fixing post 101, and a third extending portion 71 extends outward from the top of the fixing bracket 7, wherein the third extending portion 71 is fixedly connected to the fixing post 101.

The bottom case 10 in this embodiment is preferably a square case, and it is understood that in other embodiments, the bottom case 10 may be a case with other shapes, for example: a circular housing or an oval housing, etc. The upper case 11 may preferably be a square case, and the fixing posts 101 may preferably be four, wherein the four fixing posts 101 are respectively located at four opposite corners of the bottom case 10, so as to fix the fixing bracket 7 on the bottom case 10 more firmly.

Referring to fig. 2, 3 and 6, in the present embodiment, in order to fix the heat sink 6 on the fixing bracket 7, the LED lamp 100 further includes a fixing ring 8. The fixing ring 8 is arranged on the upper part of the fixing bracket 7, and the fixing ring 8 is sleeved on the periphery of the upper part of the radiator 6. Specifically, each first heat dissipating fin 60 includes a first fin portion 601 and a second fin portion 602, the first fin portion 601 is disposed on an outer surface of the bottom of the heat sink 6, the second fin portion 602 extends upward from the first fin portion 601 and is disposed on the upper portion of the heat sink 6, the first fin portion 601 extends outward to form a second extending portion 603, wherein the second extending portion 603 is fixedly connected to the bottom of the fixing ring 8, so that the fixing ring 8 is sleeved on the outer periphery of the upper portion of the heat sink 6.

The material of the fixing ring 8 may preferably be aluminum, copper, stainless steel, or the like, in order not to affect the heat dissipating function of the heat sink 6. The retaining ring 8 may be a circular ring.

As shown in fig. 2 and 7, in the present embodiment, in order to further improve the heat dissipation efficiency of the LED lamp 100, the LED lamp 100 further includes a fan 9. Specifically, the outer wall surface 72 of the fixed bracket 7 extends outward to form a mounting portion 73, the mounting portion 73 is provided with a mounting space communicated with the hollow portion of the fixed bracket 7, the fan 9 is located in the mounting space and fixed on the bottom case 10, and the air outlet surface of the fan 9 is arranged towards the hollow portion of the fixed bracket 7.

Preferably, the utility model discloses a fan 9 can be preferred two, and wherein these two fans 9 can be preferred just to setting up, are favorable to all-round for radiator 6 provides the air current like this for LED lamps and lanterns 100 has the radiating effect of preferred.

It should be noted that, when the LED lamp 100 is operated, the power supply 12 and the control board 13 also generate heat, and both the power supply 12 and the control board 13 are disposed on the bottom case 10, so that a plurality of second heat dissipation fins 102 are disposed around the bottom case 10 at intervals for dissipating heat generated by the power supply 12 and the control board 13.

The embodiment of the utility model discloses light-emitting colour adjustable LED lamps and lanterns, the LED lamp pearl through setting up multiple light-emitting colour in the lamp body is as the light source of LED lamps and lanterns, foretell first light source and second light source for example, at the during operation, this first light source and second light source can send the light of different colours, can make LED lamps and lanterns can demonstrate different light colours, richened the light effect of LED lamps and lanterns to can build good light atmosphere, satisfy the use of more occasions.

Furthermore, the utility model discloses a LED lamps and lanterns has tubular structure's radiator, can all set up first light source, second light source and anti-light cup in the inside of radiator, can increase thermal diffusion area, has promoted the radiating efficiency of LED lamps and lanterns by a wide margin, can effectively prolong the life of LED lamps and lanterns.

The LED lamp with adjustable light-emitting color disclosed in the embodiment of the present invention is described in detail above, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the LED lamp with adjustable light-emitting color of the present invention and the core idea thereof; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a light-emitting colour adjustable LED lamps and lanterns which characterized in that includes:

the lamp shell is internally provided with a cavity with a first light outlet;

2. The LED lamp of claim 1, wherein the plurality of second light sources are arranged around the periphery of the first light source, and each of the second light sources emits light through a different light-emitting gap.

3. The LED lamp according to claim 2, wherein the second light outlet is provided with a first extending portion extending downward, and the first extending portion is hollow to form an inner cavity with an upper opening and a lower opening;

4. The LED lamp according to any one of claims 1 to 3, further comprising a heat sink disposed inside the lamp housing, wherein the heat sink is hollow and sleeved outside the antiglare shield, and a plurality of first heat dissipation fins are extended around the outer surface of the heat sink.

5. The LED lamp according to claim 4, wherein the outer surface of the antiglare cover extends outward around a first step, the upper surface of the first step is lower than the upper surface of the antiglare cover, the first step extends outward with a second step, the second step is disposed around the outer surface of the first step, the upper surface of the second step is higher than the upper surface of the antiglare cover;

6. The LED lamp according to claim 5, wherein a first connecting portion is further provided on an outer surface of the heat sink, a second connecting portion extends downward from a bottom of the first step, and the second connecting portion is fixedly connected to the first connecting portion.

7. The LED lamp of claim 4, wherein the lamp housing comprises a bottom shell and an upper shell, the upper shell forming the cavity;

8. The LED lamp according to claim 7, further comprising a fixing ring, wherein the fixing ring is disposed on the upper portion of the fixing bracket, and the fixing ring is sleeved on the periphery of the upper portion of the heat sink;

9. The LED lamp according to claim 7, further comprising a fan, wherein a mounting portion extends outward from the outer wall surface of the fixing bracket, the mounting portion is provided with a mounting space communicated with the hollow portion of the fixing bracket, the fan is located in the mounting space and fixed on the bottom case, and the air outlet surface of the fan is arranged toward the hollow portion of the fixing bracket.

10. The LED lamp of claim 9, wherein a plurality of second heat dissipation fins are disposed around the bottom housing.