CN212390131U - High-power LED lamp - Google Patents

Abstract

The application provides a high-power LED lamp, includes: a lamp cap; the heat dissipation assembly comprises a main heat dissipation part and a heat conduction pipe, one end of the main heat dissipation part is connected with the lamp cap, the main heat dissipation part is hollow and provided with a cavity, a first clamping groove is formed in the bottom surface of the main heat dissipation part, a second clamping groove is formed in the top surface of the main heat dissipation part, one end of the heat conduction pipe is clamped in the first clamping groove, and the other end of the heat conduction pipe is clamped in the second clamping groove; the light source assembly comprises a light source plate arranged on the bottom surface of the main radiating part and a plurality of LED lamp beads arranged on the light source plate and far away from one surface of the radiating component. The application provides a high-power LED lamp, the both ends of heat pipe are blocked respectively in the first draw-in groove and the second draw-in groove of main radiating part upper and lower two sides, the heat that the light source subassembly sent can be transmitted to the cold junction from the hot junction through the heat pipe fast and dispel the heat, the heat dispersion of main radiating part has been improved, the product has high radiating efficiency, the lamps and lanterns that adopt this heat radiation structure can satisfy high-power, the heat dissipation demand of high lumen, can effectively replace present high-pressure sodium lamp.

Description

High-power LED lamp

Technical Field

The application belongs to the technical field of lighting equipment, and more specifically relates to a high-power LED lamp.

Background

High-power, high lumen lamps such as street lamps are generally high pressure sodium lamps, high pressure sodium lamps have high lumen, often need about 10000LM, although traditional LED lamp lumen is high, power is big, the energy consumption is also high, and current LED lamp often can not accomplish high wattage because of heat dispersion is not good, is difficult to replace current high pressure sodium lamp.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a high-power LED lamp to solve the technical problem that the LED lamp in the prior art cannot have high wattage because of poor heat dissipation performance and is difficult to replace a high-pressure sodium lamp.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a high power LED lamp, including:

a lamp cap;

the lamp holder is arranged on the lamp holder, the heat dissipation component comprises a main heat dissipation part and a heat conduction pipe, one end of the main heat dissipation part is connected with the lamp holder, the main heat dissipation part is hollow and provided with a cavity, a first clamping groove is formed in the bottom surface of the main heat dissipation part, a second clamping groove is formed in the top surface of the main heat dissipation part, one end of the heat conduction pipe is clamped in the first clamping groove, and the other end of the heat conduction pipe is clamped in the second clamping groove;

the light source assembly comprises a light source plate and a plurality of LED lamp beads, wherein the light source plate is arranged on the bottom surface of the main radiating piece, and the light source plate is arranged far away from one surface of the radiating assembly.

Optionally, the heat pipe is provided with a plurality of heat pipes, the bottom surface of the main heat dissipation member is provided with a plurality of first clamping grooves at intervals in parallel, the top surface of the main heat dissipation member is provided with a plurality of second clamping grooves at intervals in parallel, and two ends of each heat pipe are respectively clamped in the first clamping groove and the second clamping groove at the corresponding positions of the main heat dissipation member from top to bottom.

Optionally, both ends of the main heat dissipation member in the length direction are open, a spacer is arranged in a cavity of the main heat dissipation member, the spacer and the main heat dissipation member are integrally formed, the spacer is located in the cavity and close to one side of the light source board, and a plurality of ventilation grooves are formed in the spacer at intervals.

Optionally, the length of the spacer is equal to the length of the main heat sink, and the height of the spacer is less than or equal to half of the height of the main heat sink.

Optionally, a heat conducting plane is formed at a part, clamped in the first clamping groove, of the heat conducting pipe, the heat conducting plane is flush with the bottom surface of the main heat dissipation part, the width of the heat conducting plane is equal to that of the first clamping groove, and the heat conducting plane is tightly attached to the top surface of the light source plate.

Optionally, the high-power LED lamp further includes an upper cover and a driving member, the upper cover is hollow and forms an accommodating cavity, one end of the upper cover is fixedly connected to the lamp holder, the other end of the upper cover is fixedly connected to one end of the main heat dissipation member, and the driving member is accommodated in the accommodating cavity of the upper cover and electrically connected to the light source board.

Optionally, two ends of the upper cover are opened, an end face opening of the upper cover close to one end of the main heat dissipation member extends outwards to form a mounting edge, a mounting groove adapted to one end of the main heat dissipation member is formed by surrounding the inner side of the mounting edge, and one end of the main heat dissipation member is clamped in the mounting groove; the high-power LED lamp further comprises a partition plate and an end cover, the partition plate is installed at an opening of the end face of the upper cover close to one end of the main heat dissipation part, the partition plate separates the accommodating cavity of the upper cover from the cavity of the main heat dissipation part, and the end cover is installed at an opening of the end face of the main heat dissipation part far away from one end of the lamp holder.

Optionally, the main heat sink is an aluminum profile.

Optionally, the light source subassembly still includes the diffusion cover, the flange is equipped with respectively along width direction's both sides in main heat dissipation spare bottom surface, both sides the adaptation has been seted up respectively to the inside wall of flange the joint groove of diffusion cover, the joint in both sides respectively of diffusion cover width direction in the joint groove of flange, the diffusion cover covers light source board and with the interval has between the LED lamp pearl.

Optionally, the heat pipe is hollow and forms an accommodating cavity, and the accommodating cavity is filled with a heat conducting medium.

The application provides a high-power LED lamp's beneficial effect lies in: compared with the prior art, this high-power LED lamp of application, be equipped with the heat pipe on the main heat dissipation spare, the both ends of heat pipe block respectively in the first draw-in groove and the second draw-in groove of main heat dissipation spare upper and lower two sides, the heat that the light source subassembly sent can be transmitted to the cold junction from the hot junction through the heat pipe fast and dispel the heat, the heat dispersion of main heat dissipation spare has been improved, the product has high radiating efficiency, the lamps and lanterns that adopt this heat radiation structure can satisfy high-power, the heat dissipation demand of high lumen, can effectively replace present high-pressure sodium lamp.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a high-power LED lamp provided in an embodiment of the present application;

FIG. 2 is a perspective view of the high power LED lamp of FIG. 1 from another angle;

FIG. 3 is an exploded view of the high power LED lamp of FIG. 1;

FIG. 4 is a longitudinal cross-sectional view of the primary heat sink in the high power LED lamp of FIG. 3;

FIG. 5 is a longitudinal cross-sectional view of the heat sink assembly in the high power LED lamp of FIG. 3;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a longitudinal sectional view of the assembly of the heat sink and the light source assembly in the high power LED lamp shown in FIG. 3;

FIG. 8 is an enlarged view of portion B of FIG. 7;

FIG. 9 is an exploded view of the heat sink assembly of the high power LED lamp of FIG. 3;

fig. 10 is a perspective view of a heat sink assembly in the high power LED lamp of fig. 3.

Wherein, in the figures, the respective reference numerals:

100-a lamp cap; 200-a heat dissipation assembly; 300-a light source assembly; 400-upper cover; 500-a driver; 110-drawing pin; 201-a cavity; 210-a primary heat sink; 220-a heat pipe; 230-end cap; 211-a first card slot; 212-a second card slot; 213-a spacer; 214-a ventilation slot; 215-flange; 216-a snap groove; 221-first stage; 222-a second segment; 223-third section; 224-a thermally conductive plane; 310-a light source board; 320-LED lamp beads; 330-a diffusion cover; 401-an accommodating cavity; 410-mounting flange; 420-a separator; 421-locating block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

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

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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

Referring to fig. 1 to fig. 3 together, a high power LED lamp provided in an embodiment of the present application will be described. The high-power LED lamp comprises a lamp cap 100, a heat dissipation assembly 200 and a light source assembly 300. As shown in fig. 3 to 5, the heat dissipation assembly 200 includes a main heat dissipation member 210 and a heat conduction pipe 220, the main heat dissipation member 210 may be a metal section, and is generally a hollow rectangular parallelepiped, one end of the main heat dissipation member 210 is connected to the lamp cap 100, the main heat dissipation member 210 is hollow and forms a cavity 201, a first locking groove 211 is formed in a bottom surface of the main heat dissipation member 210, and a second locking groove 212 is formed in a top surface of the main heat dissipation member 210; the heat conducting pipe 220 can be a metal pipe, such as a copper pipe, one end of the heat conducting pipe 220 is fixed in the first locking groove 211, and the other end of the heat conducting pipe 220 is fixed in the second locking groove 212. Light source subassembly 300 includes light source board 310 and a plurality of LED lamp pearl 320, and light source board 310 can adopt aluminium base board, and light source board 310 is installed in the bottom surface of main radiator 210, and a plurality of LED lamp pearls 320 can be matrix array and lay in light source board 310 and keep away from radiator unit 200 in the one side, specifically lay quantity and density and can set up according to the practical application condition. The heat pipe 220 card is on the surface of main heat dissipation piece 210, and the one end that the heat pipe 220 is close to light source board 310 is the hot junction, and the other end of keeping away from light source board 310 is the cold junction, and the heat that light source subassembly 300 sent can be transmitted to the cold junction through heat pipe 220 from the hot junction fast and dispel the heat like this, has improved main heat dissipation piece 210's heat dispersion.

The application provides a high-power LED lamp, compared with the prior art, be equipped with heat pipe 220 on the main heat dissipation piece 210, the both ends of heat pipe 220 are blocked respectively in the first draw-in groove 211 and the second draw-in groove 212 of main heat dissipation piece 210 upper and lower two sides, the heat that light source subassembly 300 sent can be transmitted to the cold junction through heat pipe 220 from the hot junction fast and dispel the heat, the heat dispersion of main heat dissipation piece 210 has been improved, the product has high radiating efficiency, the lamps and lanterns that adopt this heat radiation structure can satisfy high-power, the heat dissipation demand of high lumen, can effectively replace present high-pressure sodium lamp.

In an embodiment, referring to fig. 1 and 4, the main heat dissipation member 210 is an aluminum profile, and is made of an extruded aluminum material, so that the manufacturing cost is low, the heat dissipation performance is good, and the quality is low. It is understood that other metal or non-metal components with good thermal conductivity can be used as the main heat sink 210; the corners at two sides of the width direction of the top surface of the main heat dissipation member 210 can be set to smooth transition or set to oblique angles, and a slot can be added between the two second slots 212 on the top surface of the main heat dissipation member 210, so that a structure similar to a heat dissipation fin can be formed, and the heat dissipation efficiency is improved.

In an embodiment, referring to fig. 3 to 5, a plurality of heat pipes 220 are disposed, a plurality of first engaging grooves 211 are disposed on the bottom surface of the main heat sink 210 at intervals, a plurality of second engaging grooves 212 are disposed on the top surface of the main heat sink 210 at intervals, the first engaging grooves 211 and the second engaging grooves 212 are disposed in a one-to-one correspondence manner, two ends of each heat pipe 220 are respectively fastened in the first engaging grooves 211 and the second engaging grooves 212 at corresponding positions above and below the main heat sink 210, and the number of the heat pipes 220 can be set according to the size of the main heat sink 210 and the heat dissipation requirement of the product.

As shown in fig. 4, 5 and 9, the overall heat pipe 220 has a U-shaped structure, the heat pipe 220 includes a first section 221, a second section 222 and a third section 223 connected in sequence, the length of the first section 221 is equal to the length of the third section 223, the first section 221 is fixed in the first slot 211 in a clamping manner, the third section 223 is fixed in the second slot 212 in a clamping manner, and the second section 222 crosses the side surface of the main heat sink 210; the side of the main heat sink 210 may be formed with a receiving groove adapted to the second section 222, so that the second section 222 can be inserted into the receiving groove, and the second section 222 is hidden in the main heat sink 210, thereby increasing the contact area between the heat pipe 220 and the main heat sink 210.

In an embodiment, referring to fig. 4, 9 and 10, two ends of the main heat dissipation member 210 in the length direction are open, a partition 213 is disposed in the cavity 201 of the main heat dissipation member 210, the partition 213 and the main heat dissipation member 210 are integrally formed, the partition 213 is located at one side of the cavity 201 close to the light source board 310, the partition 213 is provided with a plurality of ventilation slots 214 at intervals, and the width and the arrangement density of the ventilation slots 214 can be set according to actual heat dissipation requirements; the plurality of ventilation slots 214 may be evenly spaced. The arrangement of the isolation piece 213 enables the interior of the main heat dissipation piece 210 to form a hollow isolation strip, so that heat emitted by the light source assembly 300 can be forced to be transferred according to a designed direction, the basic principle of the isolation piece is similar to that when people stand in the tide, all people walk towards one direction, people who stop and do not walk can be squeezed away, and the lamp realizes efficient heat dissipation by means of the arrangement of the isolation piece 213.

Referring to fig. 4 and 9, the first engaging grooves 211 are uniformly spaced on the bottom surface of the main heat sink 210, and the second engaging grooves 212 are uniformly spaced on the bottom surface of the main heat sink 210. The distance between two adjacent card slots and the arrangement density of the card slots may be set according to the actual application requirements, for example, 5 first card slots 211 and 5 second card slots 212 are arranged.

In an embodiment, referring to fig. 4, 9 and 10, the length of the spacer 213 is equal to the length of the main heat sink 210, and the height of the spacer 213 is less than or equal to half of the height of the main heat sink 210, so that the heat insulation member has a larger heat conduction area, which is beneficial to improving the heat conduction efficiency of the main heat sink 210.

In an embodiment, referring to fig. 6 to 8, a heat conducting plane 224 is formed at a portion of the heat conducting pipe 220 clamped in the first clamping groove 211, the heat conducting plane 224 is flush with the bottom surface of the main heat sink 210, a width of the heat conducting plane 224 is equal to a width of the first clamping groove 211, and the heat conducting plane 224 is tightly attached to the top surface of the light source board 310. That is, the heat pipe 220 is in direct contact with the light source board 310, and the hot end of the heat pipe 220 can dissipate heat by the direct contact; the bottom surface of the first section 221 of the heat pipe 220 is a plane, which forms the heat conducting plane 224 closely attached to the light source plate 310, so that the heat pipe 220 has a larger contact area with the light source plate 310, which is beneficial to improving the heat conduction efficiency.

Specifically, the first section 221 can be formed into a shape matched with the contour of the first clamping groove 211 by mechanically extruding a circular tube, and the groove wall of the first clamping groove 211 can be arc-shaped, so that the first section 221 can be accommodated in the first section after being extruded; placing the circular tube into the first clamping groove 211 and then extruding to enable the surface to be extruded into a plane, wherein other areas are tightly attached to the wall of the first clamping groove 211, and the circular tube is in a flat structure; the width of first card slot 211 may be set larger than the width of second card slot 212.

In one embodiment, referring to fig. 1 to 3, the high power LED lamp further includes an upper cover 400 and a driving member 500. The upper cover 400 is hollow and forms a receiving cavity 401, the upper cover 400 is gradually widened from a side close to the lamp cap 100 to a side far away from the lamp cap 100, and the longitudinal cross-sectional area of the upper cover 400 close to the main heat sink 210 is larger than that of the main heat sink 210. One end of the upper cover 400 is fixedly connected with the lamp cap 100, a drawing pin 110 can be assembled at one end of the lamp cap 100 to realize the conduction between an external power supply and a driving member, the other end of the upper cover 400 is fixedly connected with one end of the main heat dissipation member 210, the driving member 500 is accommodated in the accommodating cavity 401 of the upper cover 400, and the driving member 500 can be electrically connected with the light source plate 310 through a wire. Specifically, a locking groove may be formed in the upper cover 400 to lock the driving member 500 in the upper cover 400, or the driving member 500 may be assembled and fixed in the upper cover 400 by screws.

In an embodiment, referring to fig. 1 to 3, two ends of the upper cover 400 are open, an opening of an end surface of the upper cover 400 near one end of the main heat sink 210 extends outward to form a mounting edge 410, a mounting groove adapted to one end of the main heat sink 210 is defined by an inner side of the mounting edge 410, and one end of the main heat sink 210 is clamped in the mounting groove; the main heat sink 210 may be further fixed to the mounting flange 410 by screws.

The high-power LED lamp further comprises a partition plate 420 and an end cover 230, wherein the partition plate 420 is arranged at an opening of the end face of the upper cover 400 close to one end of the main heat radiating piece 210, and the partition plate 420 separates the accommodating cavity 401 of the upper cover 400 from the cavity 201 of the main heat radiating piece 210; the end cap 230 is installed at an opening of an end surface of the main heat sink 210 far away from the lamp cap 100, and both the partition plate 420 and the cover plate can be made of injection molding. A positioning block 421 is disposed on a surface of the partition 420 facing the main heat sink 210, the positioning block 421 abuts against a top surface of the main heat sink 210, and the partition 420 seals a gap between the main heat sink 210 and the upper cover 400 after being assembled.

In an embodiment, referring to fig. 3, 7 and 8, the light source assembly 300 further includes a diffusion cover 330, the diffusion cover 330 is substantially plate-shaped, a gap is formed between the diffusion cover 330 and the LED lamp bead 320, and the diffusion cover 330 can uniformly diffuse light emitted from the LED lamp bead 320. The flanges 215 are respectively arranged on the two sides of the bottom surface of the main heat dissipation member 210 in the width direction, the clamping grooves 216 adapted to the diffusion cover 330 are respectively formed in the inner side walls of the flanges 215 on the two sides, the two sides of the diffusion cover 330 in the width direction are respectively clamped in the clamping grooves 216 of the flanges 215 on the two sides, and the diffusion cover 330 covers the light source plate 310 and has a gap with the LED lamp beads 320. Diffusion cover 330 card need not to use glue fixed on the section bar, avoids causing glue because of high temperature to volatilize, influences diffusion cover 330's security, has avoided the volatile matter to influence LED lamp pearl 320's performance simultaneously.

In an embodiment, referring to fig. 10, the heat pipe 220 is hollow and forms a containing cavity, and the containing cavity is filled with a heat conducting medium. The heat transfer medium may be, but is not limited to, water, heat transfer oil, or a composite salt compound having a high thermal conductivity, and the heat transfer efficiency may be improved by providing the heat transfer medium.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A high-power LED lamp is characterized in that: the method comprises the following steps:

a lamp cap;

the lamp holder is arranged on the lamp holder, the heat dissipation component comprises a main heat dissipation part and a heat conduction pipe, one end of the main heat dissipation part is connected with the lamp holder, the main heat dissipation part is hollow and provided with a cavity, a first clamping groove is formed in the bottom surface of the main heat dissipation part, a second clamping groove is formed in the top surface of the main heat dissipation part, one end of the heat conduction pipe is clamped in the first clamping groove, and the other end of the heat conduction pipe is clamped in the second clamping groove;

the light source assembly comprises a light source plate and a plurality of LED lamp beads, wherein the light source plate is arranged on the bottom surface of the main radiating piece, and the light source plate is arranged far away from one surface of the radiating assembly.

2. The high power LED lamp of claim 1, wherein: the heat conduction pipes are provided with a plurality of heat conduction pipes, the bottom surface of the main heat dissipation part is provided with a plurality of first clamping grooves at intervals in parallel, the top surface of the main heat dissipation part is provided with a plurality of second clamping grooves at intervals in parallel, and two ends of each heat conduction pipe are clamped in the first clamping grooves and the second clamping grooves at the corresponding positions of the main heat dissipation part from top to bottom respectively.

3. The high power LED lamp of claim 1, wherein: the both ends opening of main heat dissipation spare length direction, be equipped with the separator in the cavity of main heat dissipation spare, the separator with main heat dissipation spare integrated into one piece, the separator is located be close to in the cavity one side of light source board, a plurality of ventilation slots have been seted up at the separator interval.

4. The high power LED lamp of claim 3, wherein: the length of the isolating piece is equal to that of the main radiating piece, and the height of the isolating piece is less than or equal to half of that of the main radiating piece.

5. The high power LED lamp of claim 1, wherein: the heat conduction pipe is connected with the part in the first clamping groove in a clamped mode and is provided with a heat conduction plane, the heat conduction plane is flush with the bottom surface of the main heat dissipation part, the width of the heat conduction plane is equal to the width of the first clamping groove, and the heat conduction plane is tightly attached to the top surface of the light source plate.

6. The high power LED lamp of claim 1, wherein: the high-power LED lamp further comprises an upper cover and a driving piece, wherein the upper cover is hollow and is provided with an accommodating cavity, one end of the upper cover is fixedly connected with the lamp cap, the other end of the upper cover is fixedly connected with one end of the main heat dissipation piece, and the driving piece is accommodated in the accommodating cavity of the upper cover and is electrically connected with the light source board.

7. The high power LED lamp of claim 6, wherein: the two ends of the upper cover are opened, an end face opening of the upper cover close to one end of the main radiating piece extends outwards to form a mounting edge, a mounting groove matched with one end of the main radiating piece is formed in the inner side of the mounting edge in a surrounding mode, and one end of the main radiating piece is clamped and fixed in the mounting groove; the high-power LED lamp further comprises a partition plate and an end cover, the partition plate is installed at an opening of the end face of the upper cover close to one end of the main heat dissipation part, the partition plate separates the accommodating cavity of the upper cover from the cavity of the main heat dissipation part, and the end cover is installed at an opening of the end face of the main heat dissipation part far away from one end of the lamp holder.

8. The high power LED lamp as set forth in any one of claims 1 to 7, wherein: the main heat dissipation part is an aluminum profile.

9. The high power LED lamp as set forth in any one of claims 1 to 7, wherein: the light source subassembly still includes the diffusion cover, the both sides of main heat dissipation spare bottom surface along width direction are equipped with the flange respectively, both sides the adaptation has been seted up respectively to the inside wall of flange the joint groove of diffusion cover, the both sides difference joint of diffusion cover width direction in both sides in the joint groove of flange, the diffusion cover covers light source board and with the interval has between the LED lamp pearl.

10. The high power LED lamp as set forth in any one of claims 1 to 7, wherein: the heat conduction pipe is hollow and is provided with an accommodating cavity, and heat conduction media are filled in the accommodating cavity.

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