WO2013044873A1

WO2013044873A1 - Led lighting

Info

Publication number: WO2013044873A1
Application number: PCT/CN2012/082509
Authority: WO
Inventors: 何琳; 李盛远; 李剑
Original assignee: 深圳市邦贝尔电子有限公司
Priority date: 2011-09-30
Filing date: 2012-09-29
Publication date: 2013-04-04
Also published as: CN103032704B; CN103032704A

Abstract

An LED lighting comprising a frame bracket (130), at least one strip-shaped LED light source module (23) arranged at intervals on the frame bracket (130), and a power supply (39), which provides the at least one strip-shaped LED light source module (23) with an electric signal. Multiple strips of the strip-shaped LED light source module (23) arranged at intervals define at least two airflow passages, one of which is perpendicular to and intersects with a light-emitting face of the LED light source module (23), while another one of which is parallel to the light-emitting face of the LED light source module (23). The LED lighting uses the edge-frame structured frame bracket (13) to match the multiple strips of the strip-shaped LED light source module (23) arranged at intervals, ensures a theoretically maximized cooling interface, that is, airflow passages can be formed in the perpendicular direction, the oblique direction, and the parallel direction relative to the light-emitting face where the strip-shaped LED light source module (23) is, thus ensuring optimal cooling efficiency.

Description

LED light

[Technical Field]

The invention relates to an LED lamp, in particular to an LED lamp with good heat dissipation performance, convenient installation and convenient maintenance.

【 Background technique 】

In the traditional lighting technology, the tungsten light bulb is often used, and the power consumption and volume are large, the luminous efficiency is low, and the life is short, and it is increasingly unable to meet the needs of modern society. With the development of semiconductor technology, the application of LEDs with low power consumption and small size, high luminous efficiency and long life in electric light source technology has received more and more attention.

With the advancement of technology, LIGHT EMIT IN G DIODE (LED) has become more and more widely used, especially LED power is continuously improved and improved. LEDs are gradually extended from signal display to illumination source, such as road lighting, tunnels. Lighting, factory lighting, and other fields of high-power lamps. Compared with traditional light sources, LEDs have many unique advantages, such as small light-emitting points, easy optical design, and high luminaire efficiency, which has enormous energy-saving potential compared to conventional light sources. In addition, LEDs have long life and good shock resistance. These features make LEDs have better advantages in high-power LED applications such as road lighting, tunnel lighting, and factory lighting.

However, the biggest problem with the promotion of high-power LED lamps is that the total brightness of the light is low. In order to improve the total brightness of the light, it is generally preferred to increase the brightness of a single LED, or to collect a plurality of packaged LED beads, and to collect the series and parallel together. Regardless of the brightness of a single chip, or the combination of series and parallel, the power must be increased, and the heat will be increased sharply. The general power of the LED lamp bead is relatively small, and the brightness is not enough. In order to improve the brightness, people often use multiple LED lamp bead combinations as one light source, and fix it on one circuit board and heat sink, and at the same time, the LED light source. Seal In a closed cavity. When the LED lamp works, the heat sink is dissipated through the heat sink on the back, which causes the heat to be easily dispersed and the heat is accumulated, thereby reducing the LED efficacy and reducing the life of the LED lamp. In order to improve the heat dissipation efficiency, the heat sink is also designed to be directly exposed to the air, which facilitates the accumulation of oil and dust in the air on the heat sink, which affects the heat dissipation efficiency of the street lamp, thereby affecting the working performance and life of the LED. At the same time, due to the requirements of the protection level, the LED and other components are sealed by a sealant to form a whole, which is difficult to disassemble, that is, the integral LED street lamp, so that on-site maintenance is very difficult, and the labor time is increased.

[Summary of the Invention]

In order to overcome the problem of heat dissipation in the prior art, the present invention provides an LED lamp having good heat dissipation performance and convenient installation and maintenance.

The technical solution of the present invention is to provide an LED lamp, comprising: a frame, at least one LED light source module, spaced apart from the frame, and a power source for providing an electrical signal to the at least one LED light source a module, the frame is a frame structure, the plurality of spaced strip LED light source modules define at least two airflow channels, one perpendicular and intersecting the light emitting surface of the LED light emitting module, and one parallel to the LED light emitting module Luminous surface.

Preferably, the power source is disposed on a frame of the frame.

Preferably, the strip-shaped L E D light source module is a single-type L E D light source module, that is, a plurality of LED chips arranged in a single row, and the at least one strip-shaped LED light source module is a plurality of strip-shaped LED light source modules arranged at intervals.

Preferably, the strip LED light source module is a half-closed body or a closed body, and comprises a protective cover defining a structure of small upper and lower width, wherein the upper end and the lower end are connected by an inclined surface or a flat curved surface.

Preferably, the strip LED light source module further comprises an electrical connection a head and a mechanical joint, the electrical joint and the mechanical joint are respectively fixed at two ends of the protective cover, and a waterproof structure is arranged at the connecting end

Preferably, the protective cover is made of a highly thermally conductive material, copper, aluminum or high thermal conductivity ceramic.

Preferably, the method further includes a receiving box disposed on the frame of the frame or disposed in a frame of the frame for receiving the power source

Preferably, the invention further comprises a fixing frame mounted on the frame, comprising two oppositely disposed mounting brackets and two opposite angle adjusting plates, so that the two oppositely disposed mounting brackets can be adjusted in the width and height directions.

Preferably, the at least one L E D light source module is inserted into both sides of the frame

Preferably, the strip LED light source module further includes an electrical connector and a mechanical connector respectively disposed at two ends of the heat sink, wherein the electrical connector is connected to the power source through a wire received in the frame, the mechanical connector provides the The strip-shaped LED light source module has an axial length change and the movable LED light source module is assembled on the frame by a movable connection, and the heat sink includes at least one tilted relative to the light-emitting surface of the strip-shaped LED light source module. Smooth surface, the frame is in each strip

The axial direction of the L E D light source module is further provided with a receiving box that receives and positions the power source. The receiving box includes an opening and closing cover that can be opened away from each of the L E D light source modules.

Compared with the prior art, the LED lamp of the invention cooperates with a plurality of spaced strip LED light source modules to ensure the maximum theoretical heat dissipation interface, that is, the illumination of the strip LED light source module. The vertical direction, the oblique direction, and the parallel direction of the surface can form an air flow passage to achieve an optimal heat dissipation environment and ensure heat dissipation efficiency. Moreover, the power source is disposed outside the third frame of the frame, that is, away from the strip The LED light source module can avoid a large amount of heat energy emission of the strip LED light source module during the lighting process, thereby ensuring that the power source is not affected by the light source module, thereby improving the service life of the power source. Moreover, since the storage box for accommodating the power source is disposed outside the third frame of the frame, when there is any problem in the power source or other components housed in the storage box, it is only necessary to open the device in the simplest manner. The storage box can be. It is no longer necessary to remove or replace the entire lamp as an existing LED street lamp or ramp lamp, thereby saving maintenance time and cost. Moreover, the LED lamp can adjust the width between the two angle adjustment plates by installing the support plate to meet the requirements of the mounting faces of different widths. In addition, the strip LED light source module forms an enclosure through the electrical connectors at both ends, the mechanical connector and the outer casing, thereby achieving waterproof, dustproof, windproof and the like, so that the existing LED street lamps are no longer loved. The necessary external redundancy in the tunnel light makes the structure simple and enhances the heat dissipation effect. Force, the strip

The outer casing of the LED light source module is a small triangular structure with a small upper end and a lower triangular structure. Therefore, during use, the leaves and ash can be slid down along the inclined sides, thus ensuring the service life of the LED lamp. It avoids the problem of poor heat dissipation and reduced service life due to excessive accumulation of ash.

[Description of the Drawings]

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a front perspective exploded view of a first embodiment of an LED lamp of the present invention, which includes a plurality of strip LED light source modules.

Fig. 2 is a left side perspective exploded view of the first embodiment of the LED lamp of the present invention. Figure 3 is a bottom plan view of the first embodiment of the LED lamp of the present invention.

Fig. 4 is a perspective exploded view of the strip LED light source module of the LED lamp of the present invention.

Figure 5 is a bottom plan view showing a second embodiment of the LED lamp of the present invention.

Figure 6 is a bottom plan view of a third embodiment of the LED lamp of the present invention. Figure 7 is a bottom plan view of a fourth embodiment of the LED lamp of the present invention.

【detailed description】

In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to Figures 1, 2, 3 and 4, the LED lamp 100 of the present invention comprises a frame 130, a plurality of strip LED light source modules 23, and a fixing frame 140. The plurality of strip LED light source modules 23 are detachably mounted on the frame 130, and the fixing frame 140 is mounted above the frame 130 for mounting the LED lamp 100 to a required mounting surface, such as a tunnel inner side. , the light pole of the street lamp waits.

The frame 130 includes a first frame 34, a second frame 32, a third frame 30, and a fourth frame 12 connected in series, wherein the first frame 34 is parallel to the third frame 30, and the second frame 32 and the fourth frame The borders 12 are parallel. The second frame 32 and the first frame 34 and the third frame 30 are respectively connected by two first connectors 33, and the fourth frame 12 and the first frame 34 and the third frame 30 pass through the second connector 11 Connect separately. The first frame 34 is an elongated frame. A plurality of electrically connected ends 321 are disposed on the inner side of the second frame 32. A plurality of mechanical connection ends 121 corresponding to the electrical connection ends 321 are disposed on the inner side of the fourth frame 12, and the plurality of electrical connection ends 321 and the plurality of mechanical connection ends 121 are respectively used for connecting and fixing the plurality of strip LED light source modes. Group 23. The third frame 30 includes a left frame 35, a right frame 7, and a receiving box 22 therebetween. The receiving box 22 is configured to receive a power source 39 and other related components (not shown). The electrical signals or other related signals required by the plurality of strip LED light source modules 23 are provided. The wire of the power supply 39 will pass through the left frame 35, and the first connector 33 is sent to the first The electrical connection end 321 on the second frame 32 is electrically connected. The receiving box 22 further includes an antenna 221 disposed thereon for receiving various wireless signals.

The strip LED light source module 23 is a straight strip shape, and includes an optical component 231, an electrical connector 233, a mechanical connector 235 and a protective cover 9. The electrical connector 233 and the mechanical connector 235 are respectively disposed on the protection. The two ends of the cover 9 are connected to the sealing piece 1 by a two-head sealing ring 8 to achieve a waterproof connection with the two ends of the protective cover 9. The optical component 231 is received at the bottom end of the protective cover 9. The protective cover 9 has a long strip shape and is of an inverted A shape. It is made of a material with high heat dissipation properties, such as aluminum, copper, ceramics, etc., and includes a casing 91 which is inverted V-shaped and separated. The plate 92 is disposed at a lower end of the outer casing 91, and two oppositely disposed clamping mechanisms 94 are located at two sides of the bottom end of the outer casing 91. The partition 92 defines an approximately triangular hollow structure with the upper portion of the outer casing 91. The partition 92 defines a receiving space with the two clamping mechanisms 94 for receiving and holding the optical component 231. The optical component 231 includes a thermal insulating pad 15 disposed in sequence, an aluminum substrate assembly 16, a sealing ring 17, a lens 18 and a pressing frame 19, the insulating thermal pad 15, the aluminum substrate assembly 16, the sealing ring 17, and the lens 18 and a pressure frame 19 are disposed on the partition plate 92 in order from bottom to top, and the optical assembly 231 is positioned on the partition plate 92 and the two clamping mechanisms by two clamping mechanisms 94 and screws (not shown). Between 94. In the present embodiment, each of the outer casings 91 houses two optical components 231 arranged in a front-rear direction, and the outer surface of the aluminum substrate assembly 16 of each optical component 231 is provided with twelve L E D core chips 161. The electrical connector 233 provides a power driving signal to the aluminum substrate assembly 16. The mechanical connector 235 cooperates with the plurality of mechanical terminals 121 of the frame 130 to facilitate assembly of the strip LED light source module 23 to the frame 130. It can be quickly removed from the frame 130.

The fixing bracket 140 includes two mounting connecting plates 48 and two mounting brackets 19, two angle adjusting plate 20 and two mounting brackets 21, the fixing frame 140 is disposed on the frame 130, the two mounting connecting plates 48, the second mounting brackets 19, the two angle adjusting plates 20 and the two mounting brackets 21 are respectively arranged On both sides of the frame 130. The mounting connecting plate 48 is in a zigzag shape, and includes a first connecting plate 481, a second connecting plate 483 and a height plate 482. The first connecting plate 481 and the second connecting plate 483 are respectively located at upper and lower ends of the height plate 482. On the two sides, the second connecting plate 483 and the frame 130 are fixed to the fixing frame 140 by a rail surface, and the first connecting plate 481 is used for fixing two mounting brackets 19 arranged in parallel. The two-angle adjusting plate 20 is adjustably positioned on the two mounting brackets 19, and the two mounting brackets 21 are disposed thereon for fixing the entire LED lamp 100 on the mounting surface, such as the inner wall of the tunnel, the lamp pole, and the like. .

The LED lamp 100 further includes two decorative plates 58 respectively fixed to the two ends of the first frame 34 and the third frame 30 of the frame 130 by a fixing button 59 and an elastic buckle 50, and the strip LED light source module The electrical connector 233 of 23 corresponds to the mechanical connector 235.

During assembly, the assembler first combines the storage box 22 with the left frame 35 and the right frame 7 of the third frame 30, and then connects the first frame 34 through the two connectors 33, 11 in sequence, and the second frame 32 is connected. , the third frame 30, and the fourth frame 12. Then, the assembler will combine the strip LED light source module 23, sequentially position the two sets of optical components 231 on the protective cover 9, and fix the electrical connector 233 and the mechanical connector 235 to the two ends of the protective cover 9, respectively. The insulating thermal pad 15 , the aluminum substrate assembly 16 , the sealing ring 17 , the lens 18 and the pressing frame 19 of the optical component 231 are disposed between the partition 92 of the protective cover 9 and the two clamping mechanisms 94 in order from bottom to top. It is positioned on the screw hole 19 through the two screw holes (not labeled). Then, the fixing frame 140 is disposed on the frame 130, the two mounting connecting plates 48, the second mounting brackets 19, the two-angle adjusting plate 20 and the two mounting brackets 21 are respectively disposed corresponding to the frame. Frame 130 on both sides. Wherein, the installation width between the two angle adjusting plates 20 can be adjusted according to requirements, and the two-angle adjusting plate 20 can be adjusted according to the width of the mounting surface, thereby adapting to more installation environments. Finally, the assembler will load the power supply 39 and associated components into the bin 22 to complete the overall assembly of the LED lamp 100.

In the actual use process, the operator will install the LED lamp 100 on each mounting surface according to different requirements, and adjust the width of the two mounting brackets 21 according to the length of the mounting surface to increase the adaptability. Finally, the user only needs to provide the electrical number to the power source 39 to light up the strip LED light source modules 23 . When the strip LED light source module 23 is lit, the heat energy is gradually radiated, and since each strip LED light source module 23 is independent of the outside air, it forms a 360. The heat dissipation environment forms the best thermal conductivity.

Compared with the prior art, the LED lamp 100 of the present invention cooperates with a plurality of strip-shaped LED light source modules 23 arranged in a frame structure to ensure a maximum theoretical heat dissipation interface, that is, a strip-shaped LED light source module. The vertical direction of the illuminated surface of the group 23, the oblique direction, and the parallel direction can form an air flow channel, thereby achieving an optimal heat dissipation environment and ensuring heat dissipation efficiency. The power source 39 is disposed on the side of the third frame 30 of the frame 130, that is, away from the strip LED light source module 23, thereby avoiding a large amount of the strip LED light source module 23 during the lighting process. The dissipation of heat ensures that the power supply 39 is not affected by the light source module, thereby increasing the service life of the power supply 39. Moreover, since the storage box 22 for accommodating the power source 39 is disposed outside the third frame 30 of the frame 130, only any problem occurs when the power source 39 or other components housed in the storage box 22 need to be replaced. The easiest way to open the storage box 22 is. It is no longer necessary to remove or replace the entire lamp as an existing LED street lamp or ramp lamp, thereby saving maintenance time and cost. Moreover, the LED lamp 100 can realize two corners by installing the support plate 19. The width of the adjustment plate 20 is adjusted to suit the requirements of the mounting faces of different widths. In addition, the strip LED light source module 23 forms an enclosure through the electrical connectors at both ends, the mechanical connector and the outer casing, thereby achieving functions such as waterproofing, dustproof, windproof, etc., so that the existing LED street lamps and tunnels are no longer needed. An integral housing that is necessary in the lamp to simplify the structure and enhance the heat dissipation. In addition, the protective cover 9 of the strip LED light source module 23 is a near-triangular structure with a small upper end and a wide width at the lower end. Therefore, during use, the fallen leaves and dust can automatically slide down along the inclined sides, thereby ensuring The service life of the LED lamp 100 avoids the problem of poor heat dissipation and reduced service life due to excessive accumulation of dust.

The LED lamp of the present invention is not limited to the first embodiment described above. As shown in FIG. 5, the LED lamp 400 has substantially the same structure as the LED lamp 100 except that the second frame 434 and the fourth frame 412 are relatively short. Corresponding to four strip LED light source modules 423. As shown in FIG. 6, the LED lamp 500 has substantially the same structure as the LED lamp 100 except that the second frame 534 and the fourth frame 512 are relatively short to correspond to the four strip-shaped L E D light source modules 523. As shown in Figure 7, the L E D lamp 600 and the

The LED lamp 100 has substantially the same structure except that the second frame 634 and the fourth frame 612 are relatively short to correspond to the four strip LED light source modules.

623. That is, the LED lamp 100 can complete the assembly of different bright lamps without substantially changing the structure and size of the components, thereby greatly increasing the applicability of the LED lamp 100, without increasing the production port σ development. Mold, without increasing the production line of the product, can realize the assembly of different power lamps without increasing the production cost of the product, and ensure the standardization of the component products. The structural design has an important influence on the LED industry, which can guarantee the development of the least mold. In the case of maximizing the production σ type, it is a very good design.

The LED lamp of the present invention is not limited to the above various embodiments, and the following modifications may be made. For example, the receiving box 22 may be directly The two sides of the strip-shaped LED light source module 23 can be electrically connected to each other by a screw to be fixed to the outer side of the third frame 30 of the frame 130 or by a fastener on the outer side of the third frame 30. The head is respectively waterproof and sealed; in addition, the receiving box 22 can further receive an intelligent control module (not shown) for performing lighting and extinguishing of the LED according to environment, time and redundancy; Further, an angle adjustment structure is further disposed on the second frame and the fourth frame 32, 12 to adjust different light exit angles of the strip LED light source module 23 according to requirements.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalents, and improvements made within the principles of the present invention should be included in the scope of the present invention.

Claims

Claim

What is claimed is: 1. An LED lamp comprising an eleven, at least one LED light source module spaced apart from the frame, and a power source for providing an electrical signal to the at least one LED light source module, wherein: The frame is a frame structure, and the plurality of spaced strip LED light source modules define at least two air flow channels, one perpendicular and intersecting the light emitting surface of the LED light emitting module, and one parallel to the light emitting surface of the LED light emitting module.

2. The LED lamp of claim 1, wherein: the power source is disposed on a frame of the frame.

3. The LED lamp of claim 1, wherein: the strip LED light source module is a single LED light source module, that is, a plurality of LED chips arranged in a single row, and the at least one LED light source module is Multiple strip LED light source modules, spaced apart.

The LED lamp of claim 1 , wherein the strip LED light source module is a half-closed body or an enclosed body, and includes a protective cover defining a structure having a small upper end and a wide lower end. The upper end and the lower end are connected by a slanted surface or a smooth curved surface.

The LED lamp of claim 4, wherein the strip LED light source module further comprises an electrical connector and a mechanical connector, the electrical connector and the mechanical connector being respectively fixed at two ends of the protective cover , the connecting end is provided with a waterproof structure.

6. The LED lamp of claim 4, wherein: the protective cover is made of a highly thermally conductive material such as copper, aluminum or a highly thermally conductive ceramic.

7. The LED lamp of claim 1, further comprising: a receiving box disposed on a frame of the frame or disposed in a frame of the frame for receiving the power source.

8. The LED lamp of claim 1 wherein: The step includes a fixing frame mounted on the frame, and includes two oppositely disposed mounting brackets and two opposite angle adjusting plates, so that the two oppositely disposed mounting brackets can be adjusted in the width and height directions.

9. The LED lamp of claim 1 wherein: the at least one strip of LED light source modules are inserted into both sides of the truss.

The LED lamp of claim 1 , wherein each strip of LED light source module further comprises a heat sink, an electrical connector and a mechanical connector respectively disposed at two ends of the heat sink, the electrical connector The mechanical connector is connected to the power source, and the mechanical connector provides an axial length change of the strip LED light source module and assembles each strip LED light source module on the 411 rack in a movable connection manner. radiator comprising at least one relatively smooth surface of the bar-shaped LED lighting source modules emitting inclined surface of the frame is further provided with a storage tank housing the _u and accommodating the power supply is positioned at each axial direction of the bar-shaped LED light source module, The receiving box includes an opening and closing cover that can be opened away from the strip LED light source module.