CN202769376U

CN202769376U - Light emitting diode (LED) lamp

Info

Publication number: CN202769376U
Application number: CN2012204485582U
Authority: CN
Inventors: 夏冠群; 杨洁翔; 陶震; 蒋明刚; 范荣
Original assignee: SHANGHAI RESEARCH CENTER OF ENGINEERING AND TECHNOLOGY FOR SOLID-STATE LIGHTING; Shanghai Jiugao Energy-saving Technology Co Ltd
Current assignee: SHANGHAI RESEARCH CENTER OF ENGINEERING AND TECHNOLOGY FOR SOLID-STATE LIGHTING; Shanghai Jiugao Energy-saving Technology Co Ltd
Priority date: 2012-09-04
Filing date: 2012-09-04
Publication date: 2013-03-06
Anticipated expiration: 2022-09-04

Abstract

The utility model provides a light emitting diode (LED) lamp which comprises a shell body, a LED lamp bulb which is installed in the inner of the shell body, a reflection cup which is installed on the periphery of the LED lamp bulb in a covering mode, a convex lens which is installed on the top of the LED lamp bulb, is connected with the reflection cup, and protrudes to the direction of being far away from the LED lamp bulb and a slide block which is installed in the shell body in a sleeved mode and can far away from and / or close to the LED lamp bulb along a center line of the shell body. The reflection cup and the convex lens are respectively installed on the slide block, and the shell body is provided with an abdicating groove which is used for the movement of the reflection cup. Due to the fact that the reflection cup and the convex lens are installed on the slide block, the slide block can be far away from and / or close to the LED lamp bulb along the center line of the shell body, and the reflection cup and the convex lens all can be far away from and / or close to the LED lamp bulb along the center line of the shell body, thus the adjustability of the focal length of the LED lamp can be achieved, the demand of different illumination distance can be satisfied, and then the generality of the LED lamp is improved.

Description

LED lamp

Technical Field

The utility model relates to a technical field is made to the LED lamps and lanterns, and more specifically says, relates to a LED lamps and lanterns.

Background

The LED lamp is used as a novel high-efficiency solid light source, has the remarkable advantages of high luminous efficiency, long service life, energy conservation, environmental protection, rich colors, flexibility, controllability, quick response, miniaturization, easy integration, safety, reliability and the like, and is a green illumination light source with the development prospect in the 21 st century. LED illumination sources have been widely used in the fields of landscape lighting, street lighting, large screen displays, backlight sources, and the like.

The LED lamp mainly comprises: the LED lamp comprises a power circuit, an aluminum substrate electrically connected with the power circuit, an LED bulb arranged on the aluminum substrate, a reflecting cup covering the periphery of the LED bulb and a convex lens positioned at the top end of the LED bulb, wherein the convex lens is generally connected with the reflecting cup.

In practical applications, different distances of illumination are required to meet lighting requirements for different scenes. However, in the existing LED lamp, the distance between the LED bulb and the reflective cup and the distance between the LED bulb and the convex lens are both fixed values, so that the focal length of the LED bulb is not adjustable, and the requirements for various distance illumination cannot be met, resulting in poor universality of the LED lamp.

In addition, when illumination at various distances is needed, the LED lamps with various illumination distances are needed to meet the use requirements, namely, a plurality of LED lamps need to be used, so that the use cost of the LED lamps is high.

In summary, how to adjust the focal length of the LED lamp to improve the versatility of the LED lamp is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a LED lamp makes its focus adjustable to improve the commonality of LED lamp.

In order to achieve the above object, the present invention provides the following technical solutions:

an LED light fixture comprising: a housing; the LED bulb is arranged inside the shell; the reflecting cup covers the periphery of the LED bulb; the convex lens is positioned at the top end of the LED bulb and connected with the reflecting cup, and the convex lens protrudes towards the direction far away from the LED bulb; the sliding block is sleeved in the shell and can be far away from and/or close to the LED bulb along the central line of the shell; the reflection cup and the convex lens are respectively arranged on the sliding block, and the shell is provided with a yielding groove for the reflection cup to move.

Preferably, in the LED lamp, the slider is annular, and the housing is cylindrical; the outer wall of the sliding block is provided with a self-locking external thread, and the inner wall of the shell and the position corresponding to the sliding block are provided with a self-locking internal thread matched with the self-locking external thread.

Preferably, in the LED lamp, the inner wall of the slider is provided with flanges distributed along the circumferential direction of the slider; the reflection cup is arranged on the flange.

Preferably, in the LED lamp, the convex lens is disposed at a top end of the reflective cup.

Preferably, the LED lamp further comprises a pressing ring arranged at the top end of the convex lens and the top end of the sliding block, and the pressing ring is connected with the sliding block through a threaded connecting piece.

Preferably, the LED lamp further includes a first L-shaped sealing ring and a second L-shaped sealing ring respectively matched with the pressing ring; the first L-shaped sealing rings are arranged between the convex lens and the pressing ring and between the sliding block and the pressing ring; the second L-shaped sealing ring is arranged between the sliding block and the pressing ring.

Preferably, in the LED lamp, the convex lens is disposed in the middle of the reflective cup.

Preferably, the LED lamp further comprises a glass cover connected to the housing and disposed at the top end of the reflective cup; the glass cover protrudes towards the direction far away from the LED bulb.

Preferably, in the LED lamp, the convex lens is connected to the reflecting cup by a gasket in a sealing manner.

Preferably, in the LED lamp, the outer wall of the housing is provided with a heat dissipation fin.

In the LED lamp provided by the utility model, the reflecting cup and the convex lens are arranged on the slider, and the slider can be far away from and/or close to the LED bulb along the central line of the shell, namely, the reflecting cup and the convex lens can be far away from and/or close to the LED bulb along the central line of the shell, so that the focal length of the LED lamp can be adjusted; when the sliding block is close to the LED bulb along the central line of the shell, namely the reflecting cup and the convex lens are close to the LED bulb along the central line of the shell, the focal length of the LED bulb is reduced, namely the focal length of the LED lamp is reduced. To sum up, the utility model provides a LED lamp has realized that the focus of LED lamp is adjustable, can satisfy multiple irradiation distance's demand, and then has improved the commonality of LED lamp.

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 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 sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a housing of an LED lamp according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of an LED lamp provided in an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of portion B of FIG. 4;

fig. 6 is a schematic partial structural view of another structure of an LED lamp according to an embodiment of the present invention;

fig. 7 is an enlarged schematic view of a portion C of fig. 6.

In the above fig. 1-7:

the LED bulb comprises a shell 1, a support 2, a base 3, a waterproof joint 4, a wire 5, a convex lens 6, an LED bulb 7, a reflective cup 8, a sliding block 9, a yielding groove 10, a pressing ring 11, a threaded connector 12, a first L-shaped sealing ring 13, a second L-shaped sealing ring 14, a gasket 15 and a glass cover 16.

Detailed Description

The embodiment of the utility model provides a LED lamp makes its focus adjustable, and then has improved the commonality of LED lamp.

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.

Referring to fig. 1-7, fig. 1 is a schematic structural diagram of an LED lamp according to an embodiment of the present invention; FIG. 2 is a sectional view taken along line A-A of FIG. 1; fig. 3 is a schematic structural diagram of a housing of an LED lamp according to an embodiment of the present invention; fig. 4 is a schematic view of a partial structure of an LED lamp provided in an embodiment of the present invention; FIG. 5 is an enlarged schematic view of portion B of FIG. 4; fig. 6 is a schematic partial structural view of another structure of an LED lamp according to an embodiment of the present invention; fig. 7 is an enlarged schematic view of a portion C of fig. 6.

The embodiment of the utility model provides a LED lamp, include: a housing 1; an LED bulb 7 disposed inside the housing 1; a reflecting cup 8 covering the periphery of the LED bulb 7; the convex lens 6 is positioned at the top end of the LED bulb 7 and connected with the reflecting cup 8, and the convex lens 6 protrudes in the direction away from the LED bulb 7; the sliding block 9 is sleeved in the shell 1 and can be far away from and/or close to the LED bulb 7 along the central line of the shell 1; the reflection cup 8 and the convex lens 6 are respectively arranged on the sliding block 9, and the shell 1 is provided with a yielding groove 10 for the reflection cup 8 to move.

The embodiment of the utility model provides an among the LED lamps and lanterns, through setting up anti-light cup 8 and convex lens 6 on slider 9, and slider 9 can be kept away from and/or be close to LED bulb 7 along casing 1's central line, can change slider 9 and the relative position of casing 1 on casing 1's central line, because LED bulb 7 sets up the inside at casing 1, can change the distance of slider 9 and LED bulb 7, again because anti-light cup 8 and convex lens 6 all set up on slider 9, anti-light cup 8 and convex lens 6 move along with slider 9's removal promptly, the change of the distance between anti-light cup 8 and convex lens 6 and the LED bulb 7 has been realized promptly, anti-light cup 8 and convex lens 6 all can be kept away from and/or be close to LED bulb 7 along casing 1's central line promptly, the adjustable of the focus of LED lamps and lanterns has been realized, make LED lamps and lanterns can shine different distances. When the slide block 9 is far away from the LED bulb 7 along the central line of the shell 1, namely the reflecting cup 8 and the convex lens 6 are both far away from the LED bulb 7 along the central line of the shell 1, the focal length of the LED bulb 7 is adjusted to be larger, namely the focal length of the LED lamp is adjusted to be larger; when the slide block 9 is close to the LED bulb 7 along the central line of the shell 1, namely the reflection cup 8 and the convex lens 6 are both close to the LED bulb 7 along the central line of the shell 1, the focal length of the LED bulb 7 is reduced, namely the focal length of the LED lamp is reduced. To sum up, the utility model provides a LED lamp has realized that the focus of LED lamp is adjustable, can satisfy multiple irradiation distance's demand, and then has improved the commonality of LED lamp.

Meanwhile, in the LED lamp provided by the above embodiment, when the irradiation distance needs to be changed, the slider 9 can be directly moved, the distance between the reflective cup 8 and the convex lens 6 and the LED bulb 7 is realized by moving the slider 9, and then the focal length of the LED lamp is changed, so that the LED lamp can meet the irradiation requirement of the distance, and thus, a plurality of LED lamps with different irradiation distances do not need to be prepared, and the use cost of the LED lamp is reduced.

In the LED lamp provided in the above embodiment, when the slider 9 is close to the LED lamp along the center line of the housing 1, in order to prevent the reflective cup 8 from being damaged, the housing 1 needs to be provided with the receding groove 10 for the reflective cup 8 to move, as shown in fig. 3, when the slider 9 is close to the LED bulb 7, the reflective cup 8 will also be close to the LED bulb 7 and enter the receding groove 10, specifically, the receding groove 10 is an annular groove, as shown in fig. 2-3.

In the LED lamp provided by the above embodiment, the housing 1 is connected to the base 3 through the bracket 2, the power supply is generally disposed in the base 3, and the power supply is connected to the LED bulb 7 through the wire 5, so as to avoid the wire 5 from being damaged, the waterproof joint 4 is generally disposed at the joint of the wire 5, thereby ensuring the normal operation of the LED lamp, as shown in fig. 1 and 2.

In the LED lamp provided by the above embodiment, the slider 9 is far away from and/or close to the LED bulb 7 along the center line of the housing 1, and there are various implementation manners. Preferably, the slide block 9 is annular, and the shell 1 is cylindrical; the outer wall of the sliding block 9 is provided with a self-locking external thread, and the inner wall of the shell 1 is provided with a self-locking internal thread matched with the self-locking external thread at a position corresponding to the sliding block 9, as shown in fig. 3. When the focal length of the LED lamp needs to be adjusted, the sliding block 9 can be directly rotated, the shell 1 is connected with the base 3 through the support 2, namely, the shell 1 is fixed, along with the rotation of the sliding block 9, the relative positions of the sliding block 9 and the shell 1 on the central line of the shell 1 can be changed, and because the LED bulb 7 is arranged in the shell 1, the distance between the sliding block 9 and the LED bulb 7 can be changed, and because the reflecting cup 8 and the convex lens 6 are both arranged on the sliding block 9, namely, the reflecting cup 8 and the convex lens 6 move along with the movement of the sliding block 9, namely, the change of the distance between the reflecting cup 8 and the convex lens 6 and the LED bulb 7 is realized, the adjustment of the focal length of the LED lamp can be realized, and the LED lamp can irradiate different distances.

Of course, other ways of achieving the slider 9 away from and/or close to the LED light bulb 7 along the center line of the housing 1 are possible. Specifically, the shell 1 is provided with sliding holes distributed along the central line thereof; the slider 9 is connected with the housing 1 through a threaded connection, which is located in the slide hole. When the irradiation distance needs to be changed, the threaded connecting piece is disassembled, then the sliding block 9 is moved along the central line of the shell 1, when the sliding block is moved to a proper position, the sliding block 9 and the shell 1 are connected through the threaded connecting piece, and the threaded connecting piece is positioned in the sliding hole.

Preferably, in the LED lamp provided in the above embodiment, the inner wall of the slider 9 is provided with flanges distributed along the circumferential direction thereof; the reflector cup 8 rests on the flange as shown in fig. 4-7. The reflective cup 8 can be bonded to the flange or can be connected in other ways. The convex lens 6 can be arranged on the top end of the reflection cup 8, and also can be arranged in the middle of the reflection cup 8 (the middle part of the convex lens is the middle part along the length direction of the reflection cup 8), and the embodiment of the utility model provides a do not do specific limitation to this.

When the convex lens 6 is disposed at the top end of the reflective cup 8, in order to connect the convex lens 6 and the reflective cup 8 with the housing 1, the LED lamp provided in the above embodiment further includes a press ring 11 disposed at the top end of the convex lens 6 and the top end of the slider 9, and the press ring 11 is connected with the slider 9 through a threaded connection 12, as shown in fig. 4 and 5. Because clamping ring 11 is located the top of convex lens 6 and the top of slider 9, convex lens 6 is located the top of anti-light cup 8, and anti-light cup 8 sets up on the flange, connects clamping ring 11 and slider 9 back together when threaded connection 12 connects, also links clamping ring 11, slider 9, convex lens 6 and anti-light cup 8 together. The threaded connection 12 is embodied as a screw and nut.

In the LED lamp provided by the above embodiment, the flange is preferably lower than the top end of the slider 9, because the space for placing the reflective cup 8 and the convex lens 6 needs to be reserved. Of course, the flange may be higher than the top of the slider 9 or the same height as the top of the slider 9, so that the press ring 11 can fit over the convex lens 6 and the top of the slider 9. The embodiment of the present invention does not specifically limit this.

In order to facilitate the fixation of the convex lens 6, the convex lens 6 is prevented from being damaged when the threaded connector 12 is installed, and impurities such as dust are reduced to enter the reflection cup 8, the compression ring 11 is required to be connected with the slider 9 and the convex lens 6 in a sealing manner, and the sealing rings are generally arranged between the compression ring 11 and the slider 9 and between the compression ring 11 and the convex lens 6.

Preferably, in the LED lamp provided in the above embodiment, the flange is lower than the top end of the slider 9, after the reflective cup 8 and the convex lens 6 are placed, the convex lens 6 is as high as the top end of the slider 9, at this time, a common seal ring may be placed on the top end of the convex lens 6 and the top end of the slider 9, then the press ring 11 is placed on the seal ring, and the threaded connector 12 is inserted and screwed, so that the fixing of the convex lens 6 and the connection among the press ring 11, the slider 9, the convex lens 6 and the reflective cup 8 can be realized. Of course, the sealing ring is provided with a through hole into which the threaded connection 12 is inserted.

In order to further optimize the technical solution, in the LED lamp provided in the above embodiment, the flange is lower than the top end of the slider 9, after the reflective cup 8 and the convex lens 6 are placed, the top end of the convex lens 6 is lower than the top end of the slider 9, and at this time, an L-shaped sealing ring needs to be selected to connect and seal the pressing ring 11, the slider 9, and the convex lens 6. Specifically, the LED lamp provided in the above embodiment further includes a first L-shaped sealing ring 13 and a second L-shaped sealing ring 14 respectively matched with the pressing ring 11; the first L-shaped sealing rings 13 are arranged between the convex lens 6 and the pressing ring 11 and between the sliding block 9 and the pressing ring 11; the second L-ring seal is arranged between the slider 9 and the press ring 11, as shown in fig. 5.

In the LED lamp provided in the above embodiment, when the convex lens 6 is disposed in the middle of the reflective cup 8, as shown in fig. 6, the convex lens 6 and the reflective cup 8 may be connected by bonding; it is also possible to provide the reflector cup 8 with a flange on its inner wall, for example, so that the convex lens 6 rests on the flange. The two above-mentioned means can be used in combination. Of course, the convex lens 6 and the reflective cup 8 may be connected by other methods, such as by a snap connection, which is not limited in the embodiments of the present invention.

In order to further optimize the technical solution, the LED lamp provided in the above embodiment further includes a glass cover 16 connected to the slider 9 and disposed at the top end of the reflective cup 8; the glass cover 16 projects away from the LED light bulb 7 as shown in fig. 6 and 7. The glass cover 16 can prevent impurities such as dust from falling into the reflection cup 8 and falling on the LED bulb 7, and prevent the impurities such as dust from influencing the illumination of the LED bulb 7 and the service life of the LED bulb 7. The connection between the glass cover 16 and the slider 9 can refer to the connection mode of the convex lens 6 on the top of the reflective cup 8 in the above embodiments, and the embodiment of the present invention does not specifically limit this.

In order to further ensure reliable operation of the LED lamp, the above embodiment provides the LED lamp in which the convex lens 6 is hermetically connected to the reflective cup 8 through the gasket 15, as shown in fig. 4 to 5. Therefore, impurities such as dust can be further reduced from entering the reflection cup 8, and the influence of the impurities such as dust on the normal use of the LED lamp is avoided.

In order to ensure reliable operation of the LED lamp, in the LED lamp provided in the above embodiment, the outer wall of the housing 1 is provided with the heat dissipation fins, and the housing 1 is a heat sink of the LED lamp. Of course, the heat dissipation fins may be disposed at other positions of the housing 1, or the heat sink may be disposed separately, which is not limited in the embodiment of the present invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An LED light fixture comprising: the LED lamp comprises a shell, an LED bulb arranged in the shell, a reflecting cup covering the periphery of the LED bulb, and a convex lens positioned at the top end of the LED bulb and connected with the reflecting cup, wherein the convex lens protrudes towards the direction far away from the LED bulb; it is characterized by also comprising:

the sliding block is sleeved in the shell and can be far away from and/or close to the LED bulb along the central line of the shell; wherein,

the reflection cup and the convex lens are respectively arranged on the sliding block, and the shell is provided with a yielding groove for the reflection cup to move.

2. The LED light fixture of claim 1 wherein the slider is annular and the housing is cylindrical; the outer wall of the sliding block is provided with a self-locking external thread, and the inner wall of the shell and the position corresponding to the sliding block are provided with a self-locking internal thread matched with the self-locking external thread.

3. The LED lamp according to claim 1, wherein the inner wall of the slider is provided with flanges distributed along the circumference thereof; the reflection cup is arranged on the flange.

4. The LED lamp of claim 3, wherein the convex lens is disposed at a top end of the reflector cup.

5. The LED lamp according to claim 4, further comprising a press ring disposed at the top end of the convex lens and the top end of the slider, wherein the press ring is connected to the slider through a threaded connection.

6. The LED lamp according to claim 5, further comprising a first L-shaped sealing ring and a second L-shaped sealing ring respectively matched with the press ring; the first L-shaped sealing rings are arranged between the convex lens and the pressing ring and between the sliding block and the pressing ring; the second L-shaped sealing ring is arranged between the sliding block and the pressing ring.

7. The LED lamp of claim 3, wherein the convex lens is disposed in a middle portion of the reflector cup.

8. The LED lamp of claim 7, further comprising a glass cover coupled to the housing and disposed on top of the reflector cup; the glass cover protrudes towards the direction far away from the LED bulb.

9. The LED lamp of any one of claims 1 to 8, wherein the convex lens is sealingly connected to the reflector cup by a gasket.

10. The LED lamp of claim 1, wherein the housing is provided with heat dissipating fins on an outer wall thereof.