CN203023840U - LED lamps - Google Patents

Abstract

The utility model discloses a light emitting diode lamps and lanterns, it is including a lamp stand, locate a LED module in this lamp stand, and locate a plurality of light reflector of the top surface of this LED module and bottom surface, the utility model discloses an outer wall of each light reflector and the top surface of a circuit board of this LED module and each light plane of reflection that the bottom surface formed reflect the light that each LED of this LED module sent, make this LED lamps and lanterns reach the effect of wide angle illumination, still can make the light source intensity of each direction more even simultaneously.

Description

LED lamps

technical field

The utility model relates to a lamp, in particular to a light emitting diode lamp. the

Background technique

In recent years, light-emitting diodes (Light Emitting Diode, LED) have been widely used in various lighting fixtures due to their advantages of high brightness, power saving, environmental protection, and long service life. However, due to the limited light-emitting angle of LEDs, when LEDs are applied to lighting fixtures, although the lighting angle can be concentrated within the necessary range to greatly improve the utilization rate of light energy, relatively speaking, it is impossible Achieve the wide-angle lighting effect of traditional incandescent bulbs or fluorescent lamps. Therefore, it is still difficult to replace traditional incandescent light bulbs with bulb-type lamps using LEDs as light sources. the

In order to achieve the purpose of improving the lighting angle of LED lamps, the designs adopted in the prior art are roughly divided into three categories:

First of all, as shown in the patent case of Taiwan Patent No. M406694 "Light Emitting Diode Lamp", it changes the arrangement of LEDs so that some LEDs illuminate the front of the lamp, and the other part of the LED illuminates the side of the lamp. , but the problem with this design is that since each LED is directly irradiated in each direction, the light is completely untreated, so not only will there be a problem of too bright local brightness, but also insufficient lighting brightness between two adjacent LEDs. The dead angle makes the overall light distribution uniformity poor;

Secondly, as shown in the patent case of Taiwan Patent No. M415250 "Multi-angle light-emitting structure and its bulb lamp structure", it makes a plurality of first LEDs illuminate the forward direction of the bulb lamp, and uses an inverted cone shaped optical parts to reflect the light of a plurality of second LEDs, so that the light of the second LEDs is irradiated toward the outside and rear of the bulb lamp to achieve a wide-angle effect. There is a dead angle with insufficient lighting brightness between the second LEDs, which leads to the problem of poor overall light distribution uniformity;

Furthermore, the LED circuit board is raised first, and LEDs are arranged on the top surface and the bottom surface of the LED circuit board. Wide angle, but under the high design of the LED circuit board, it will be difficult to dissipate the heat generated by the LED circuit board.

As mentioned above, the LED lamps in the prior art still need to be further improved. the

Utility model content

In view of the aforementioned problems in the prior art, the purpose of this utility model is to provide a light-emitting diode (Light Emitting Diode, LED) lamp with a large-angle lighting range, good heat dissipation capability and good light distribution uniformity. the

In order to achieve the above object, the technical means utilized in the utility model is to make a light-emitting diode lamp include:

A lamp holder, the top surface of the lamp holder is formed with an opening, the opening is covered with a lampshade, and an accommodating space is enclosed between the lampshade and the lamp holder;

An LED module, the LED module is arranged in the accommodating space, the LED module includes a circuit board and a plurality of first LEDs, the top surface of the circuit board is formed as a first light reflecting surface, and the first LEDs are arranged on the top surface of the circuit board;

A first light reflector, the first light reflector is arranged in the accommodating space, the first light reflector has a top and an extension, the top is arranged along the inner top surface of the lampshade, the extension is formed by An inner top surface of the top extends towards the direction where the circuit board is installed, the extension is in an inverted tapered shape with a width at the top and a narrow bottom, and the outer wall surface is a concave arc surface, and the inner top surface of the top is in contact with the extension. The outer wall surface forms a third light reflecting surface. the

The LED lamp may further include a second light reflector, the second light reflector is arranged on the top surface of the circuit board, the second light reflector is in the shape of a cone whose width is wide at the bottom and narrow at the top, and the outer wall surface A concave arc-shaped fourth light reflection surface is formed. the

The bottom surface of the circuit board can be formed as a second light reflecting surface, and the LED module can further include a plurality of second LEDs, and the second LEDs are arranged on the bottom surface of the circuit board. The LED lamp It may further include a third light reflector, the third light reflector is arranged between the circuit board and the opening of the lamp holder, and the outer ring wall of the third light reflector forms a concave arc-shaped fifth light Reflective surface. the

The extension part of the first light reflector and the second light reflector can be connected as a whole. the

The interior of the first light reflector and the interior of the second light reflector may be hollow and connected, and the top surface of the circuit board of the LED module may be further provided with at least one third LED, The third LED is correspondingly located inside the second light reflector. the

The circuit board can be further formed with a plurality of perforations at intervals, and each of the perforations is arranged in a ring. The top surface of the third light reflector can be formed with a plurality of perforations at intervals. Each of the third light reflectors The perforations respectively correspond to the perforations of the circuit board. The bottom surface of the second light reflector can protrude and form a plurality of positioning hooks at intervals, and the positioning hooks respectively pass through the perforations of the circuit board and the third light reflector. The perforation is opposite to the third light reflector. the

The first light reflector can be made of materials that allow light to partially penetrate and partially reflect. the

The top surface and the bottom surface of the circuit board can be sprayed with light-reflecting materials to form the first light-reflecting surface and the second light-reflecting surface. the

The circuit board can be an aluminum substrate to form the first light reflecting surface and the second light reflecting surface. the

The top surface and the bottom surface of the circuit board can be respectively provided with reflective sheets to form the first light reflection surface and the second light reflection surface. the

The utility model has the advantage that the third, fourth and fifth light reflecting surfaces are formed by the first, second and third light reflectors, and then the first and second light reflecting surfaces of the circuit board are matched By reflecting the light emitted by the first LED, the second LED and the third LED, the LED lamp can achieve a wide-angle lighting effect, and at the same time, the intensity of the light source in all directions can be made more uniform. In addition, each light reflector can also be used as a heat conduction and cooling element for dissipating the heat energy generated by the LED lamp, so as to increase the heat dissipation surface area of the LED lamp, reduce the temperature of the LED lamp, and increase the life of the LED lamp. the

Description of drawings

Fig. 1 is a three-dimensional appearance view of a preferred embodiment of the present invention. the

Fig. 2 is a three-dimensional exploded view of a preferred embodiment of the present invention. the

Fig. 3 is a sectional side view of some elements of the preferred embodiment of the present invention. the

Fig. 4 is a sectional side view of some components of another preferred embodiment of the present invention. the

Explanation of reference numbers:

10 lamp holders 101 openings

11 Lampshade 12 Accommodating space

13 metal lamp holder

20 Light Emitting Diode (LED) modules

21 first LED 22, 22A second LED

23 The third LED 24, 24A circuit board

241, 241A first light reflection surface

242 second light reflection surface 243 perforation

30, 30A first light reflector 31 top

32 extension part 33 third light reflecting surface

40, 40A second light reflector 41 fourth light reflective surface

42 positioning hook 50 third light reflector

51 fifth light reflection surface 52 perforation

Detailed ways

Below, in conjunction with the accompanying drawings and preferred embodiments of the utility model, the technical means adopted by the utility model to achieve the intended purpose of the utility model will be further elaborated. the

Referring to Fig. 1 and shown in Fig. 2, the light emitting diode (Light Emitting Diode, LED) light fixture of the present utility model comprises a lamp holder 10, an LED module 20, a first light reflector 30, a second light reflector 40 and a third light reflector 50 . the

Referring to Fig. 2 and Fig. 3, an opening 101 is formed on the top surface of the lamp holder 10, and a lampshade 11 is provided at the opening 101, and an accommodating space 12 is surrounded between the lampshade 11 and the lamp holder 10. A metal lamp cap 13 is disposed on the bottom of the lamp holder 10 . the

The LED module 20 is disposed in the accommodating space 12, and the LED module 20 includes a circuit board 24, a plurality of first LEDs 21, a plurality of second LEDs 22 and at least one third LED 23. the

The top surface of the circuit board 24 is formed as a first light reflecting surface 241 , and the bottom surface of the circuit board 24 is formed as a second light reflecting surface 242 . Specifically, materials that can reflect light can be sprayed on the top and bottom surfaces of the circuit board 24 to form the first light reflecting surface 241 and the second light reflecting surface 242; the circuit board 24 can also be made of aluminum The substrate, the first light reflection surface 241 and the second light reflection surface 242 are formed by the good light reflection effect of the aluminum material; The purpose of forming the first light reflecting surface 241 and the second light reflecting surface 242 is achieved. A plurality of through holes 243 are formed through the circuit board 24 at intervals, and each through hole 234 is arranged in a ring. the

The first LED 21 is arranged on the top surface of the circuit board 24, the second LED 22 is arranged on the bottom surface of the circuit board 24, and the first LED 21 and the second LED 22 are located at the periphery and the perforation 243 of the circuit board 24. between. The third LED 23 is arranged on the top surface of the circuit board 24, and the perforation 243 of the aforementioned circuit board 24 and the first LED 21 are arranged around the third LED 23. the

The first light reflector 30 is disposed in the accommodating space 12 , the first light reflector 30 has a top 31 and an extension 32 , the top 31 is arranged along the inner top surface of the lampshade 11 , the extension 32 Extending from an inner top surface of the top 31 toward the direction where the circuit board 24 is installed, the extension 32 is in the shape of an inverted cone with a width that is wide at the top and narrow at the bottom, and the outer wall surface is a concave arc surface, and the inner top of the top 31 Surface and the outer wall surface of the extension part 32 form a third light reflecting surface 33, and the third light reflecting surface 33 can reflect the light of the first LED 21. the

Wherein, the first light reflector 30 can be made of a material that can partially penetrate and partially reflect light, such as a beam splitter (Beam Splitter), so that when the light of the first LED 21 is irradiated on the first light reflector 30 , it will partially penetrate and partially reflect, and at the same time achieve the effect of increasing the lighting angle of the first LED 21 and uniform light distribution. the

The second light reflector 40 is arranged on the top surface of the circuit board 24. The second light reflector 40 is tapered in width at the bottom, wide at the bottom, and narrow at the top. 41. The fourth light reflecting surface 41 can reflect the light of the first LED 21, so that the light of the first LED 21 illuminates the side of the LED lamp. In addition, the bottom surface of the second light reflector 40 protrudes at intervals A plurality of positioning hooks 42 are formed, and the positioning hooks 42 pass through the through holes 243 of the circuit board 24 respectively. the

In a specific embodiment of the present utility model, the extension portion 32 of the first light reflector 30 is connected to the second light reflector 40, so the first light reflector 30 and the second light reflector 40 can be integrally formed Manufactured in the same way, the inside of the first light reflector 30 is hollow and communicated with the inside of the second light reflector 40, and the aforementioned third LED 23 is correspondingly located inside the second light reflector 40, so that the third LED 23 light can be illuminated towards the front of the LED lamp through the top 31 of the first light reflector 30, and the top 31 of the first light reflector 30 can transmit light or reflect light or have both light transmittance and light reflection effects, To adjust the overall light source intensity of the LED lamp, so that the light source intensity is uniform. the

The third light reflector 50 is disposed between the circuit board 24 and the opening 101 of the lamp holder 10 , and the outer wall surface of the third light reflector 50 forms a concave arc-shaped fifth light reflective surface 51 . The fifth light reflecting surface 51 can reflect the light of the second LED 22, so that the light of the second LED 22 illuminates the side of the LED lamp. Also, the top surface of the third light reflector 50 abuts against and supports the circuit board 24 , and the top surface of the third light reflector 50 is spaced to form a plurality of through holes 52 , and each through hole 52 of the third light reflector 50 Respectively corresponding to each perforation 243 of the circuit board 24, the positioning hook 42 of the aforementioned second light reflector 40 is further penetrated in the perforation 52 of the third light reflector 50, and is opposite to the third light reflector 50 buckle to fix the position of the second light reflector 40 . the

Referring to another preferred embodiment of the utility model shown in FIG. 4 , it omits the second light reflecting surface of the bottom surface of the circuit board 24A, the second LED and the third light reflector disposed on the bottom surface of the circuit board 24A. and use the first light reflecting surface 241A, the first light reflector 30A and the second light reflector 40A on the top surface of the circuit board 24A to reflect the light emitted by the first LED 22A provided on the top surface of the circuit board 24A. of light. the

The utility model forms the third, fourth, and fifth light reflecting surfaces 33, 41, and 51 through the first, second, and third light reflectors 30, 30A, 40, 40A, and 50, and cooperates with the circuit board The first and second light reflection surfaces 241, 241A, 242 of 24, 24A reflect the light emitted by the first LED 21, the second LED 22, 22A and the third LED 23, so that the LED lamp can achieve wide-angle lighting At the same time, it can also make the intensity of the light source in all directions more uniform. In addition, each light reflector 30, 30A, 40, 40A, 50 can also be used as a heat conduction and heat dissipation element to dissipate the heat energy generated by the LED lamp, so as to increase the heat dissipation surface area of the LED lamp and reduce the temperature of the LED lamp. Further, the lifespan of the LED lamp is increased. the

The above descriptions are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Anyone in the field Skilled persons, within the scope of the technical solution of the utility model, should be able to use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes. The technical essence of the utility model makes any simple modifications, equivalent changes and modifications to the above embodiments, all still belong to the scope of the technical solutions of the utility model. the

Claims (10)

1. A light-emitting diode lamp, characterized in that it has a lamp holder, an LED module and a first light reflector, wherein: An opening is formed on the top surface of the lamp holder, and a lampshade is provided on the opening, and an accommodating space is enclosed between the lampshade and the lamp holder; The LED module is arranged in the accommodating space, the LED module includes a circuit board and a plurality of first LEDs, the top surface of the circuit board is formed as a first light reflecting surface, and the first LEDs are arranged on the circuit the top surface of the board; The first light reflector is arranged in the accommodating space, the first light reflector has a top and an extension, the top is arranged along the inner top surface of the lampshade, and the extension is formed by an inner top surface of the top Extending toward the direction where the circuit board is installed, the extension is in an inverted conical shape with a width at the top and a narrow bottom, and the outer wall surface is a concave arc surface, and the inner top surface of the top and the outer wall surface of the extension form a third Light reflecting surface. the 2. The light-emitting diode lamp according to claim 1, further comprising a second light reflector, the second light reflector is arranged on the top surface of the circuit board, and the second light reflector has a width of It is tapered with a wide bottom and a narrow top, and the outer wall forms a concave arc-shaped fourth light reflection surface. the 3. The light-emitting diode lamp according to claim 1, wherein the bottom surface of the circuit board is formed as a second light reflecting surface; the LED module further includes a plurality of second LEDs, and the second LEDs are arranged on The bottom surface of the circuit board; the LED lamp further includes a third light reflector, the third light reflector is arranged between the circuit board and the opening of the lamp holder, and the outer ring wall of the third light reflector forms a The fifth light-reflecting surface in concave arc shape. the 4. The light-emitting diode lamp according to claim 2, wherein the bottom surface of the circuit board is formed as a second light reflecting surface; the LED module further includes a plurality of second LEDs, and the second LEDs are arranged on The bottom surface of the circuit board; the LED lamp further includes a third light reflector, the third light reflector is arranged between the circuit board and the opening of the lamp holder, and the outer ring wall of the third light reflector forms a The fifth light-reflecting surface in concave arc shape. the 5. The light emitting diode lamp according to claim 2 or 4, characterized in that, the extension part of the first light reflector is integrally connected with the second light reflector. the 6. The LED lamp according to claim 5, wherein the interior of the first light reflector and the second light reflector are hollow and communicated; the top surface of the circuit board of the LED module is inserted into a The first step is to provide at least one third LED, and the third LED is correspondingly located inside the second light reflector. the 7. The light-emitting diode lamp according to claim 3 or 4, characterized in that, the circuit board is further formed with a plurality of perforations at intervals, and each perforation is arranged in a ring; the top surface of the third light reflector penetrates at intervals A plurality of perforations are formed, and each perforation of the third light reflector corresponds to each perforation of the circuit board; a plurality of positioning hooks protrude from the bottom surface of the second light reflector at intervals, and the positioning hooks respectively pass through the circuit The perforation of the board and the perforation of the third light reflector are locked relative to the third light reflector. the 8. The LED lamp according to any one of claims 1 to 4, wherein the first light reflector is made of a material that allows light to partially penetrate and partially reflect. the 9. The LED lamp according to claim 3 or 4, wherein the top surface and the bottom surface of the circuit board are sprayed with light-reflecting materials to form the first light-reflecting surface and the second light-reflecting surface. the 10. The LED lamp according to claim 3 or 4, wherein the circuit board is an aluminum substrate to form the first light reflecting surface and the second light reflecting surface. the

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