CN216790121U - A kind of LED lamp beads with good heat dissipation effect - Google Patents

Abstract

The utility model provides an LED lamp bead with a good heat dissipation effect, which comprises an LED lamp bead body, wherein a lens is arranged at the upper end of the LED lamp bead body, a reflector is arranged at the lower end of the LED lamp bead body, a first heat dissipation sheet is arranged at the bottom of the reflector, the first heat dissipation sheet extends downwards into a mounting seat, second heat dissipation sheets are fixedly arranged on two sides of the first heat dissipation sheet, and a plurality of first air openings are formed in the side wall of the mounting seat. According to the utility model, the LED lamp beads can be effectively radiated by arranging the plurality of radiating fins and the air inlet, so that damage caused by overhigh temperature of the lamp beads is avoided; meanwhile, the reflector is arranged, so that light rays from the LED lamp beads to the lower side can be reflected, and the brightness of the LED lamp beads is effectively improved.

Description

A LED lamp bead with good heat dissipation effect

technical field

The utility model relates to the technical field of LED lamp beads, in particular to an LED lamp bead with good heat dissipation effect.

Background technique

The full name of LED is a semiconductor light-emitting diode, which is made of semiconductor materials to directly convert electrical energy into light energy and electrical signals into light-emitting devices. It is characterized by low power consumption, high brightness, bright colors, anti-vibration, Long life (normal lighting 8-100,000 hours), cold light source and other advantages, is the real "green lighting". In the future of the 21st century, the lighting products with LED as the light source will inevitably replace the white woven lamp and become another revolution in human lighting.

LED lamp beads are widely used in lighting, LED large-screen display, traffic lights, decoration, computers, electronic toys, gifts, switches, telephones, advertising, urban glory projects and many other production fields. With the development of society, LED lighting technology has become With rapid development, the existing LED lamp beads have poor heat dissipation effect (such as only using heat dissipation holes to dissipate heat), and the LED lamp beads are easily burned out due to excessive temperature in long-term use, which shortens the use of LED lamp beads. The lifespan increases and the maintenance cost increases, so an LED lamp bead with good heat dissipation effect is urgently needed.

Utility model content

The utility model provides an LED lamp bead with good heat dissipation effect, so as to solve the problem that the existing LED lamp bead has poor heat dissipation effect and is easy to burn out due to excessive temperature after long-term use. .

In order to solve the above technical problems, the utility model discloses an LED lamp bead with good heat dissipation effect, comprising an LED lamp bead body, a lens is arranged on the upper end of the LED lamp bead body, and a reflector is arranged at the lower end of the LED lamp bead body, The bottom of the reflector is provided with a first heat sink, the first heat sink extends downward into the mounting seat, the two sides of the first heat sink are fixed with second heat sinks, and the side walls of the mounting seat are provided with second heat sinks. Set up several first air outlets.

Preferably, the mounting seat is configured as a hollow shell structure.

Preferably, the first heat sink and the second heat sink are both made of metal materials.

Preferably, a filter screen is provided at the first air outlet.

Preferably, the lower end of the lens is fixedly connected to the upper end of the reflector, and the lens and the reflector are covered on the outside of the LED lamp bead body.

Preferably, a plurality of the first air outlets are evenly arranged on the left and right sides of the mounting seat in a symmetrical manner.

Preferably, a drive motor is fixed on the right side of the mounting seat, and a threaded rod is fixed on the left side of the driving motor. The threaded rod extends into the mounting seat and is rotatably connected with the inner wall of the mounting seat, and the threaded rod is on the Two threaded sections with opposite rotation directions are arranged symmetrically on the left and right, and two threaded blocks are threadedly connected on the threaded rod in a left-right symmetrical manner. The two threaded blocks are respectively threadedly connected with the two threaded sections. There is one end of a support plate, the other ends of the two support plates are hinged to each other, and a cooling fan is also fixed on the support plates.

Preferably, the mounting seat is further provided with two air cavities, the two air cavities are arranged symmetrically on the left and right, and the outer side of the air cavities is fixed on the inner wall of the mounting seat, and the air cavities are connected to the inner wall of the mounting seat. The first tuyere passes through, and the inner side of the air cavity is provided with an opening.

Preferably, a worm is fixed at a middle position of the threaded rod, the upper end of the worm is engaged with the worm wheel, the rear side of the worm wheel is fixedly connected to a first rotating rod, and the rear side of the first rotating rod rotates with the inner wall of the rear side of the mounting seat. connect;

A first pulley is fixed on the first rotating rod, the upper side of the first pulley is connected to a second pulley through a belt, the second pulley is fixed on the second rotating rod, and the second pulley is fixed on the second rotating rod. The rear side of the rotating rod is rotatably connected with the inner wall of the rear side of the mounting seat, and the front side of the second rotating rod is fixedly provided with a cam;

A moving rod, the moving rod is provided with a push protrusion symmetrically on the left and right, and the push protrusion is in contact with the cam, and the moving rod is provided with a chute, and the front side of the second rotating rod passes through the chute The cam is connected, the moving rod is arranged along the left and right horizontal directions, and the moving rod penetrates the second heat sink left and right, the left and right sides of the moving rod extend into the air cavity, and the left and right ends of the moving rod are fixed A piston rod is connected, and the upper and lower ends of the piston rod are in contact with the upper and lower inner walls of the air cavity.

Preferably, the upper and lower contact surfaces of the piston rod and the air cavity are made of flexible materials.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Figure 1 is a front view of the structure of the utility model.

FIG. 2 is a top view of a part of the structure of the present invention.

FIG. 3 is a left side view of the partial structure of the present invention.

In the figure: 1. LED lamp bead body; 2. Lens; 3. Mounting seat; 4. Chute; 5. Second pulley; 6. Air cavity; 7. First air outlet; 8. Piston rod; 9. Move Rod; 10. Second cooling fin; 11. Threaded rod; 12. Threaded block; 13. Turbine; 14. Worm; 15. Support plate; 16. Cooling fan; 17. Drive motor; 18. Cam; 19. Push convex 20, the first heat sink; 21, the reflector; 22, the belt; 23, the first rotating rod; 24, the first pulley; 25, the second rotating rod.

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

The technical solutions and technical features of the various embodiments can be combined with each other, but must be based on those of ordinary skill in the art. exists, and is not within the protection scope required by the present utility model.

In addition, the descriptions such as “first”, “second”, etc. in the present invention are only for the purpose of description, and do not refer to the meaning of order or sequence, nor are they used to limit the present invention, which is only for the purpose of The components or operations described in the same technical terms are only distinguished, and should not be understood as indicating or implying their relative importance or implying the quantity of the indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions and technical features of the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such technical solutions The combination does not exist and is not within the protection scope required by the present invention.

Example 1:

The embodiment of the present invention provides an LED lamp bead with good heat dissipation effect, as shown in FIG. 1 , comprising an LED lamp bead body 1 , a lens 2 is provided on the upper end of the LED lamp bead body 1 , and the LED lamp bead body 1 The lower end is provided with a reflector 21, the bottom of the reflector 21 is provided with a first heat sink 20, the first heat sink 20 extends downward into the mounting seat 3, and two sides of the first heat sink 20 are fixedly provided with For the second heat sink 10 , a plurality of first air vents 7 are arranged on the side wall of the mounting seat 3 .

Wherein, preferably, the mounting seat 3 is configured as a hollow shell structure.

Wherein, preferably, the first heat sink 20 and the second heat sink 10 are both made of metal materials.

(The heat sink is the existing heat sink)

Wherein, preferably, the first air outlet 3 is provided with a filter screen (refer to the existing air filter screen).

The working principle of the above technical solution is: the LED lamp bead body 1 is energized, the upward light is emitted from the lens 2, the downward light is reflected by the reflector 21, and then emitted from the lens 2, and the heat generated by the LED lamp bead body 1 is emitted. The heat is dissipated through the first tuyere 7 , the first heat sink 20 and the second heat sink 10 .

The beneficial effects of the above technical solutions are: by arranging the first heat sink 20 and the second heat sink 10, the heat generated by the LED lamp bead body 1 can be effectively dissipated, and the first air outlet 7 can be arranged effectively. The heat sink 20 and the second heat sink 10 play the role of heat dissipation, which speeds up the heat dissipation efficiency; and the provision of the reflector 21 can effectively reflect the light emitted by the LED lamp bead body 1 downward, and can effectively improve the brightness; The air outlet 7 is provided with a filter screen, which effectively blocks the dust in the air outside the mounting seat 3, and avoids the problem of the reduction of heat dissipation efficiency caused by excessive dust; and the first heat sink 20 and the second heat sink 10 They are all metal materials, which more effectively improve the rate of heat conduction. The problem of slow heat dissipation in the prior art is solved.

Example 2

On the basis of the above Embodiment 1, as shown in FIG. 1 , the lower end of the lens 2 is fixedly connected to the upper end of the reflector 21 , and the lens 2 and the reflector 21 are wrapped on the outside of the LED lamp bead body 1 .

Wherein, preferably, a plurality of the first air outlets 7 are evenly arranged on the left and right sides of the mounting seat 3 in a symmetrical manner.

The beneficial effects of the above technical solutions are: by arranging the lens 2 and the reflector 21, the LED lamp bead body 1 can be effectively covered; the lens 2 emits light and the reflector 21 reflects the downward light, which can effectively improve the lamp body. and the symmetrical arrangement of the first air outlet 7 can effectively improve the air flow rate, speed up the heat dissipation efficiency, and effectively improve the functionality of the device.

Example 3

On the basis of the above-mentioned Embodiment 1 or 2, as shown in FIG. 1 , a drive motor 17 is fixed on the right side of the mounting base 3 , and a threaded rod 11 is fixedly connected to the left side of the drive motor 17 , and the threaded rod 11 extends into the mounting seat 3 and rotatably connected with the inner wall of the mounting seat 3, and the threaded rod 11 is symmetrically provided with two thread segments with opposite directions of rotation, and the threaded rod 11 is symmetrically connected with two threads. Block 12, two threaded blocks 12 are respectively threadedly connected with two threaded segments, one end of a supporting plate 15 is hinged on the front side of the threaded block 12, and the other ends of the two supporting plates 15 are hinged to each other. A cooling fan 16 is also fixed on the 15 .

The working principle of the above technical solution is: start the driving motor 17, the threaded rod 11 starts to rotate, and the threaded block 12 moves toward/oppositely on the threaded rod 11, so that the angles of the two support plates 15 are variable, and the heat dissipation on the support plates 15 is driven. The fan 16 blows air into the mounting seat 3 from multiple angles (wherein, a second air outlet can also be provided on the mounting seat for the air of the fan to be discharged).

The beneficial effects of the above technical solutions are: by setting the threaded rod 11 with left-right symmetrical threads with opposite directions, the threaded block 12 drives the support plate 15 to continuously open and close a certain angle, so that the wind blown out from the cooling fan 16 is multi-angle. Blowing into the mounting seat 3 can dissipate heat to the first heat sink 20 and the second heat sink 10 and the LED lamp bead body 1 , thereby accelerating the heat dissipation speed of the LED lamp bead body 1 and improving the heat dissipation efficiency.

Example 4

On the basis of the above-mentioned Embodiment 3, as shown in FIGS. 1-3 , the mounting seat 3 is further provided with two air cavities 6 , and the two air cavities 6 are arranged symmetrically on the left and right, and the air cavities 6 The outer side is fixedly arranged on the inner wall of the mounting seat 3 , the air cavity 6 communicates with the first air outlet 7 , and the inner side of the air cavity 6 is provided with an opening.

Among them, preferably, a worm 14 is fixed at the middle position of the threaded rod 11, the upper end of the worm 14 is engaged with the worm wheel 13, and the rear side of the worm wheel 13 is fixedly connected to the first rotating rod 23, and the first rotating rod 23 The rear side is rotatably connected with the inner wall of the rear side of the mounting seat 3;

A first pulley 24 is fixed on the first rotating rod 23 , the upper side of the first pulley 24 is connected to a second pulley 5 through a belt 22 , and the second pulley 5 is fixed on the second rotating rod 25, the rear side of the second rotating rod 25 is rotatably connected to the inner wall of the rear side of the mounting seat 3, and the front side of the second rotating rod 25 is fixedly provided with a cam 18;

The moving rod 9 is provided with a pushing protrusion 19 symmetrically on the left and right sides, and the pushing protrusion 19 is in contact with the cam 18, and the moving rod 9 is provided with a chute 4, the second rotating The front side of the rod 25 is connected to the cam 18 through the chute 4, the moving rod 9 is arranged in the horizontal direction, and the moving rod 9 passes through the second heat sink 10 left and right, and the left and right sides of the moving rod 9 extend into the air In the cavity 6 , the left and right ends of the moving rod 9 are fixedly connected to the piston rod 8 , and the upper and lower ends of the piston rod 8 are in contact with the upper and lower inner walls of the air cavity 6 .

Wherein, preferably, the upper and lower contact surfaces of the piston rod 8 and the air cavity 6 are made of flexible materials. (The flexible material can be rubber, fiber, etc.)

The working principle of the above technical solution is as follows: the worm 14 rotates, drives the worm wheel 13 to rotate, drives the first rotating rod 23 to rotate, drives the first pulley 24 to rotate, the first pulley 24 drives the second pulley 5 to rotate through the belt 22, and drives the second pulley 5 to rotate. The rotation of the second rotating rod 25 drives the cam 18 to rotate, and the cam 18 is constantly in contact with the pushing protrusion 19, so that the moving rod 9 moves left and right, the piston rod 8 moves left and right in the air cavity 6, and drives the outside wind to enter from the first air outlet 7 In the mounting seat 3, speed up the air flow rate.

The beneficial effects of the above technical solutions are: by arranging the cam 18 and the pushing protrusion 19, the moving plate 9 can be driven to move left and right, and the piston rod 8 can be driven to continuously push the air to move in the mounting seat 3, which effectively speeds up the air flow rate and plays a more important role. The function of heat dissipation can greatly eliminate the heat generated by the LED lamp beads during operation, and improve the heat dissipation efficiency, and the device has a simple structure, is convenient to use, and has high practicability.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (10)

1. An LED lamp bead with good heat dissipation effect, characterized in that, The LED lamp bead body (1) is provided with a lens (2) at the upper end, and the lower end of the LED lamp bead body (1) is provided with a reflector (21), and the reflector (21) ) bottom is provided with a first heat sink (20), the first heat sink (20) extends downward into the mounting seat (3), and the two sides of the first heat sink (20) are fixedly provided with a second heat sink The sheet (10) is provided with a plurality of first air outlets (7) on the side wall of the mounting seat (3). 2 . The LED lamp bead with good heat dissipation effect according to claim 1 , wherein the mounting seat ( 3 ) is configured as a hollow shell structure. 3 . 3 . The LED lamp bead with good heat dissipation effect according to claim 1 , wherein the first heat sink ( 20 ) and the second heat sink ( 10 ) are both made of metal materials. 4 . 4. The LED lamp bead with good heat dissipation effect according to claim 1, characterized in that, a filter screen is provided at the first air outlet (7). 5. The LED lamp bead with good heat dissipation effect according to claim 1, characterized in that the lower end of the lens (2) is fixedly connected to the upper end of the reflector (21), and the lens (2) is connected to the upper end of the reflector (21). The reflector (21) is covered on the outside of the LED lamp bead body (1). 6 . The LED lamp bead with good heat dissipation effect according to claim 1 , wherein a plurality of the first air vents ( 7 ) are evenly arranged on the left and right sides of the mounting seat ( 3 ) in a symmetrical manner. 7 . 7. The LED lamp bead with good heat dissipation effect according to claim 1, characterized in that a drive motor (17) is fixed on the right side of the mounting seat (3), and the drive motor (17) is fixed on the left side A threaded rod (11) is connected, the threaded rod (11) extends into the mounting seat (3) and is rotatably connected with the inner wall of the mounting seat (3), and the threaded rod (11) is symmetrically provided with opposite directions of rotation The two threaded segments of the threaded rod (11) are threadedly connected with two threaded blocks (12) left and right symmetrically, and the two threaded blocks (12) are respectively threadedly connected with the two threaded segments, and the threaded blocks (12) ) One end of a support plate (15) is hinged on the front side, the other ends of the two support plates (15) are hinged to each other, and a cooling fan (16) is also fixed on the support plates (15). 8. The LED lamp bead with good heat dissipation effect according to claim 7, characterized in that, the mounting seat (3) is further provided with two air cavities (6), and the two air cavities (6) The left and right are symmetrically arranged, and the outer side of the air cavity (6) is fixedly arranged on the inner wall of the mounting seat (3). (6) The inner side is provided with an opening. 9 . The LED lamp bead with good heat dissipation effect according to claim 8 , wherein a worm ( 14 ) is fixedly arranged in the middle position of the threaded rod ( 11 ), and the upper end of the worm ( 14 ) is engaged with the worm wheel. 10 . (13), the rear side of the worm wheel (13) is fixedly connected to the first rotating rod (23), and the rear side of the first rotating rod (23) is rotatably connected to the rear inner wall of the mounting seat (3); A first pulley (24) is fixed on the first rotating rod (23), and the upper side of the first pulley (24) is connected to a second pulley (5) through a belt (22). The pulley (5) is fixedly arranged on the second rotating rod (25), the rear side of the second rotating rod (25) is rotatably connected with the inner wall of the rear side of the mounting seat (3), and the front side of the second rotating rod (25) The side is fixed with a cam (18); A moving rod (9), the moving rod (9) is provided with a pushing protrusion (19) symmetrically on the left and right, and the pushing protrusion (19) is in contact with the cam (18), and the moving rod (9) There is a chute (4) on it, the front side of the second rotating rod (25) passes through the chute (4) to connect the cam (18), the moving rod (9) is arranged along the left and right horizontal directions, and the movement The rod (9) penetrates the second heat sink (10) left and right, the left and right sides of the moving rod (9) extend into the air cavity (6), and the left and right ends of the moving rod (9) are fixedly connected to the piston A rod (8), the upper and lower ends of the piston rod (8) are in contact with the upper and lower inner walls of the air cavity (6). 10 . The LED lamp bead with good heat dissipation effect according to claim 9 , wherein the upper and lower contact surfaces of the piston rod ( 8 ) and the air cavity ( 6 ) are made of flexible materials. 11 .

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