CN201487630U - Light emitting diode lamp - Google Patents

Abstract

A light emitting diode lamp is suitable for being electrically connected to a power supply and comprises a frame, a main body connected to the frame, a light emitting diode array module arranged on the main body and a fan. The frame has a bottom plate and a plurality of pillars, wherein the bottom plate has an opening, and each pillar has a first locking portion. The main body comprises a base and a plurality of radiating fins. The base is provided with an accommodating space and a plurality of second buckling parts. The accommodating space is correspondingly exposed in the opening, and the second buckling parts are buckled with the first buckling parts respectively. An air flow channel is arranged between any two adjacent radiating fins. The light emitting diode array module is positioned in the accommodating space and electrically connected with the power supply. The fan is electrically connected with the power supply and is suitable for generating airflow to blow the airflow channels and the base so as to discharge the heat of the light-emitting diode array module.

Description

LED lamps

technical field

The utility model relates to a light-emitting diode lamp (light-emitting diode lamp, LED lamp), in particular to a light-emitting diode lamp with good heat dissipation performance.

Background technique

A light-emitting diode (LED) is a semiconductor component, which is mainly composed of III-V chemical elements, such as gallium phosphide (GaP), gallium arsenide (GaAs) and other compound semiconductor materials. This compound semiconductor material has the property of converting electrical energy into light. Specifically, when an electric current is applied to the compound semiconductor material, electrons inside the compound semiconductor material will combine with holes, and excess energy will be released in the form of light to achieve the effect of light emission.

The luminescence phenomenon of LEDs is generally considered not to be thermoluminescence or discharge luminescence, but to be cold luminescence, so the lifespan of LED devices can be as long as more than 100,000 hours, and there is no need for idling time. In addition, light-emitting diode devices have the advantages of fast response (about 10 ^-9 seconds), small size, low power consumption, low pollution (mercury-free), high reliability, and suitable for mass production. Therefore, light-emitting diodes can be applied The field is very wide, such as large billboards, traffic lights, mobile phones, scanners, light sources for fax machines, etc.

Recently, due to the continuous improvement of the luminous brightness and luminous efficiency of light-emitting diodes, and the successful mass production of high-brightness white light-emitting diodes, white light-emitting diodes are gradually used in lighting devices, such as indoor lighting and outdoor lighting. Street lighting, etc. Generally speaking, high-power LEDs face the problem of heat dissipation. If the LED is operated at an excessively high temperature, the brightness of the light provided by the LED lamp may be attenuated, and the lifespan may be shortened. Therefore, the heat dissipation design of LED lamps has become one of the topics that researchers pay attention to.

Utility model content

The purpose of the utility model is to provide a light-emitting diode lamp, which has good heat dissipation performance.

In order to achieve the object of the present invention, an LED lamp is provided, which is suitable for being electrically connected to a power source. The light emitting diode lamp includes a frame, a main body, a light emitting diode array module and a fan. The frame has a bottom plate and a plurality of pillars connected to the bottom plate, wherein the bottom plate has an opening, and each pillar has a first fastening portion. The main body is connected to the frame, which includes a base and a plurality of cooling fins connected to the base, wherein the base has an accommodating space and a plurality of second buckle parts, and there is an air passage between any two adjacent cooling fins, The accommodating space is correspondingly exposed in the opening, and the second buckling parts are respectively buckled with the first buckling parts. The LED array module is arranged on the main body and located in the accommodation space, wherein the LED array module is electrically connected with the power supply. The fan is arranged on the main body and is electrically connected with the power supply. The fan surrounds one end of the cooling fin, and the fan is suitable for generating an air flow to blow to the air channel and the base to discharge the heat of the LED array module.

In an embodiment of the present invention, the above-mentioned bottom plate has an upper surface and a lower surface opposite to the upper surface, and each pillar has a base and a rod. The base is fixed on the upper surface and located between the edge of the opening and the outer edge of the bottom plate. The extending direction of the rod portion is substantially perpendicular to the extending direction of the bottom plate.

In an embodiment of the present utility model, the LED lamp described above further includes a plurality of clamping members. When the light-emitting diode lamp is embedded in a plate with a hole, the clamping member and the bottom plate are suitable for jointly clamping the plate.

In an embodiment of the present invention, each clamping member has an elastically deformable end and a free end. The elastic deformation end is assembled on the pillar, and the free end is adapted to move toward the fan after being stressed, and the elastic deformation end provides a restoring force so that the free end and the bottom plate jointly clamp the plate.

In an embodiment of the present invention, each clamping member includes a spring and a clamping portion. The wire spring is assembled on the support. The clamping part is connected with a wire spring, wherein the wire spring is suitable for providing a restoring force so that the clamping part and the bottom plate jointly clamp the board.

In an embodiment of the present invention, each of the above-mentioned first locking parts is a locking hole, and each second locking part is a locking block.

In an embodiment of the present invention, each of the above-mentioned first locking parts is a locking block, and each second locking part is a locking hole.

In an embodiment of the present invention, the above-mentioned main body has an outer surface and a bottom surface corresponding to the opening. The accommodation space is located on the bottom surface. The cooling fins surround the outer surface, and the extending direction of the cooling fins is substantially the same as that of the pillars. One end of each cooling fin jointly forms a platform, and the fan is located on the platform.

In an embodiment of the present utility model, the LED lamp described above further includes at least one tertiary optical assembly. The tertiary optical component is arranged on the main body and located in the accommodating space, and a light-emitting surface of the tertiary optical component is correspondingly exposed in the opening.

In an embodiment of the present utility model, the above LED lamp further includes a secondary optical component. The secondary optical component is arranged on the main body and is located between the LED array module and the tertiary optical component. The secondary optical components are correspondingly exposed in the opening.

In an embodiment of the present invention, the above-mentioned light-emitting diode lamp further includes a plurality of first locking pieces, wherein the light-emitting diode array module has a plurality of fixing holes. The first locking pieces pass through the fixing holes respectively to lock the LED array module in the accommodating space of the main body.

In an embodiment of the present invention, the above-mentioned first locking member includes screws or bolts.

In an embodiment of the present invention, the above-mentioned LED lamp further includes a plurality of second locking pieces, wherein the main body has a plurality of first positioning holes, and the fan has a plurality of second positioning holes. The second locking piece passes through the second positioning hole and the first positioning hole in sequence to lock the fan on the main body.

In an embodiment of the present invention, the above-mentioned second locking member includes screws or bolts.

In an embodiment of the present invention, the above-mentioned main body is pivotally connected to the pillar of the frame through the second buckle part and the first buckle part.

The utility model has the advantage that, since the LED lamp of the utility model has a fan and heat dissipation fins, the heat of the LED array module can be discharged by means of the fan for active heat dissipation and the heat dissipation fins for passive heat dissipation. Improve the heat dissipation efficiency of LED lamps. In other words, the light-emitting diode lamp of the present invention is not easily damaged due to overheating.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with accompanying drawings.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of an LED lamp according to an embodiment of the present invention.

FIG. 2 is a three-dimensional exploded schematic diagram of the LED lamp in FIG. 1 .

FIG. 3 is a three-dimensional partial perspective schematic diagram of another viewing angle of the LED lamp of FIG. 1 .

4A to 4B are schematic diagrams of the process of embedding the LED lamp in FIG. 1 into a board with a hole.

Explanation of main component symbols

10: plate

20: Perforated

100: LED lamps

110: frame

112: bottom plate

112a: upper surface

112b: lower surface

112c: opening

114: pillar

114a: base

114b: stem

114c: the first buckle part

120: subject

122: base

122a: Outer surface

122b: bottom surface

122c: second buckle part

122d: storage space

124: cooling fins

124a: air flow channel

124b: platform

126: The first positioning hole

130: LED array module

132: Fixing hole

140: fan

142: Second positioning hole

150: clamping member

152: elastic deformation end

154: free end

160: Cubic optical components

170: Secondary optical components

180: The first locking piece

190: Second locking piece

Detailed ways

Fig. 1 is a three-dimensional schematic diagram of an LED lamp according to an embodiment of the present invention, Fig. 2 is a three-dimensional exploded schematic diagram of the LED lamp in Fig. 1, and Fig. 3 is a perspective view of the LED lamp in Fig. 1 from another perspective Partial perspective diagram. Please refer to FIG. 1 and FIG. 2 at the same time. In this embodiment, the LED lamp 100 is suitable for being electrically connected to a power source (not shown), and the LED lamp 100 includes a frame 110, a main body 120, a light emitting diode The diode array module 130 and a fan 140 .

In detail, the frame 110 has a bottom plate 112 and a plurality of pillars 114 (only two are schematically shown in FIGS. 1 and 2 ) connecting the bottom plate 112 . The bottom plate 112 has an upper surface 112a, a lower surface 112b opposite to the upper surface 112a, and an opening 112c. Each pillar 114 has a base portion 114a, a rod portion 114b and a first locking portion 114c. The bases 114 a are fixed on the upper surface 112 a respectively, and the bases 114 are located between the edge of the opening 112 c and the outer edge of the bottom plate 112 . The extending direction of the rods 114b is substantially perpendicular to the extending direction of the bottom plate 112 , and the first buckling parts 114c are located on the rods 114b respectively. In this embodiment, the bottom plate 112 of the frame 110 and the pillars 114 can be integrally formed, and the material of the frame 110 is, for example, steel (SPCC).

Please refer to FIG. 2 and FIG. 3 at the same time, the main body 120 is connected to the frame 110, and the main body 120 has an outer surface 122a and a bottom surface 122b corresponding to the opening 112c. The main body 120 includes a base 122 and a plurality of cooling fins 124 connected to the base 122 , wherein the base 122 has an accommodating space 122d and a plurality of second locking portions 122c. The accommodating space 122d is located on the bottom surface 122b and correspondingly exposed in the opening 112c of the bottom plate 112 . The second buckling parts 122c respectively buckle the first buckling parts 114c. The cooling fins 124 surround the outer surface 122 a of the main body 120 , and any two adjacent cooling fins 124 have an air channel 124 a between them. The extending direction of the cooling fins 124 is substantially the same as the extending direction of the rods 114 b of the pillars 114 , and one end of each cooling fin 124 forms a platform 124 b together. In this embodiment, the base 122 of the main body 120 and the cooling fins 124 can be integrally formed, and the material of the main body 120 is aluminum, for example.

The LED array module 130 is disposed on the main body 120 and located in the accommodating space 122d, wherein the LED array module 130 is electrically connected to a power source. Further, in this embodiment, the LED array module 130 has a plurality of fixing holes 132 (only four are schematically shown in FIG. Only four are shown schematically). The first locking pieces 180 pass through the fixing holes 132 to lock the LED array module 130 in the accommodating space 122 d of the main body 120 . In this embodiment, the first locking members 180 are, for example, screws or bolts. The LED array module 130 is, for example, composed of a plurality of LEDs (not shown) arranged on a circuit board (not shown), and these LEDs are electrically connected to the circuit board.

The fan 140 is disposed on the main body 120 and located on the platform 124b formed by one end of each cooling fin 124 . Further, in this embodiment, the main body 120 has a plurality of first positioning holes 126 (only two are schematically shown in FIG. 2 ), and the fan has a plurality of second positioning holes 142 (only two are schematically shown in FIG. 2 ). There are two), while the LED lamp 100 includes a plurality of second locking pieces 190 (only two are schematically shown in FIG. 2 ). The second locking pieces 190 pass through the second positioning holes 142 and the first positioning holes 126 respectively in order to lock the fan 140 on the main body 120 . In this embodiment, the second locking elements 190 are, for example, screws or bolts.

In this embodiment, the fan 140 is electrically connected to the power supply, and is used to generate an airflow to blow toward the airflow channels 124 a and the base 122 to dissipate heat from the LED array module 130 . Since the fan 140 is locked on the platform 124b by means of the second locking member 190, when the LED array module 130 is driven by the power source to generate light, the fan 140 will be driven by the power source to generate air flow to the air channels 124a. The base 122 is used for active heat dissipation, while the heat dissipation fins 124 are used for passive heat dissipation to dissipate heat from the LED array module 130 . Therefore, the LED lamp 100 of this embodiment is not easily damaged due to overheating. It is worth mentioning that, in other embodiments, the design of the fan 140 can also be omitted for the light-emitting diode lamp 100 due to application requirements, that is, for example, when the supplied wattage is small. That is to say, the design of the fan 140 can be added according to the usage requirements.

In addition, in this embodiment, the LED lamp 100 further includes a plurality of clamping members 150 , wherein each clamping member 150 has an elastically deformable end 152 and a free end 154 . The elastic deformable ends 152 are respectively assembled on the rod portions 114 b of the pillars 114 , and the free ends 154 are adapted to bear against the outer edge of the bottom plate 112 before being stressed. In addition, the LED lamp 100 further includes at least one tertiary optical component 160 (only one is schematically shown in FIG. 2 ) and a secondary optical component 170 . The tertiary optical component 160 is disposed on the main body 120 and located in the accommodating space 122d, and a light emitting surface of the tertiary optical component 160 is correspondingly exposed in the opening 112c. The secondary optical component 170 is disposed on the main body 120 and located between the LED array module 130 and the tertiary optical component 160 . The secondary optical component 170 is correspondingly exposed in the opening 112c. In addition, the tertiary optical component 160 can be, for example, a transparent sheet, a fog mirror, or a lens, and the tertiary optical component 160 shown in FIG. 2 is a flat lens or a fog mirror as an example for illustration, and is not limited thereto. The secondary optical component 170 can be, for example, a reflector, a lamp cup or a condenser lens, and the secondary optical component 170 shown in FIG. 2 is illustrated as a reflector as an example, and is not limited thereto.

It is worth mentioning that, in this embodiment, the main body 120 can be pivotally connected to the pillars 114 of the frame 110 through the second buckle parts 122c and the first buckle parts 114c. In this way, the main body 120 can adjust the angle according to a specific direction, so as to change the projection direction of the light emitted by the LED array module 130 . In addition, the first locking portions 114c are, for example, locking holes, and the second locking portions 122c are, for example, locking blocks. Of course, in other unshown embodiments, the first buckling parts 114c may also be locking blocks, and the second buckling parts 122c may also be an embedded combination of buckling holes. Therefore, the first buckling parts 114c and the second buckling parts 122c shown in FIG. 2 of this embodiment are only for illustration and not limited thereto.

4A to 4B are schematic diagrams of the process of embedding the LED lamp in FIG. 1 into a board with a hole. Please refer to FIG. 4A and FIG. 4B at the same time. The LED lamp 100 of this embodiment is suitable for being embedded in a board 10 having a hole 20 . For example, the LED lamp 100 is in the form of a downlight on the ceiling. It must be noted here that, in this embodiment, the diameter of the hole 20 is smaller than the outer diameter of the bottom plate 112 , and the diameter of the hole 20 is larger than the distance between the pillars 114 .

In detail, when the LED lamp 100 is embedded in a plate 10 having a hole 20, the free ends 154 of the clamping members 150 will move toward the direction close to the fan 140 due to force, that is, free The extension direction of the end 154 is almost parallel to the extension direction of the rod portions 114B of the pillars 114 , so that the LED lamp 100 can be inserted into the hole 20 smoothly. After the LED lamp 100 is inserted into the hole 20 , the elastic deformation ends 152 respectively provide a restoring force so that the free ends 154 and the bottom plate 112 clamp the plate 10 together.

Further speaking, these free ends 154 will form an angle with the plate 10, so as to bear against a surface of the plate 10, and the outer diameter of these bottom plates 112 is greater than the aperture of the hole 20, so the upper surface 112a of the bottom plate 112 will cover the hole. The other surface of the hole 20 , while the lower surface 112 b of the bottom plate 112 is exposed outside the plate 10 , so that the clamping member 150 and the bottom plate 112 clamp the plate 10 together. In other words, after the LED lamp 100 is inserted into the hole 20 , the plate 10 is located between the clamping member 150 and the bottom plate 112 . In this embodiment, the elastically deformable ends 152 of the clamping members 150 are, for example, wire springs 152a, and the free ends 154 of the clamping members 150 are, for example, clamping portions, but not limited thereto.

To sum up, since the LED lamp of the present invention has a fan and heat dissipation fins, the fan can be used for active heat dissipation, and the heat dissipation fins can be used for passive heat dissipation to discharge the heat from the LED array module, thereby improving the light emission. Thermal efficiency of diode lamps. In other words, the light-emitting diode lamp of the present invention is not easily damaged due to overheating.

Although the utility model has been disclosed above with the embodiment, it is not intended to limit the utility model, and anyone with ordinary knowledge in the technical field can make some changes without departing from the spirit and scope of the utility model and retouching, so the scope of protection of the present utility model should be as defined by the claims.

Claims (15)

1. A light-emitting diode lamp suitable for being electrically connected to a power supply, characterized in that the light-emitting diode lamp comprises: A frame has a bottom plate and a plurality of pillars connected to the bottom plate, wherein the bottom plate has an opening, and each of the pillars has a first buckle portion; A main body connected to the frame, including a base and a plurality of heat dissipation fins connected to the base, wherein the base has an accommodating space and a plurality of second buckle parts, any two adjacent heat dissipation fins There is an air channel between them, the accommodating space is correspondingly exposed in the opening, and the second buckle parts respectively buckle the first buckle parts; a light emitting diode array module configured on the main body and located in the accommodating space, wherein the light emitting diode array module is electrically connected to the power supply; and A fan is configured on the main body and is electrically connected to the power supply, wherein the fan surrounds one end of the heat dissipation fins, and the fan is suitable for generating an airflow to blow to the airflow channels and the base, and the The heat dissipation of the LED array module. 2. The light-emitting diode lamp according to claim 1, wherein the bottom plate has an upper surface and a lower surface opposite to the upper surface, each of the pillars has a base and a rod, and the base is fixed to On the upper surface and between the edge of the opening and the outer edge of the bottom plate, the extending direction of the rod portion is substantially perpendicular to the extending direction of the bottom plate. 3. The light-emitting diode lamp according to claim 2, further comprising a plurality of clamping members, when the light-emitting diode lamp is embedded in a plate with a hole, the clamping members are suitable for the base plate to hold the board together. 4. The light-emitting diode lamp according to claim 3, wherein each clamping member has an elastically deformable end and a free end, the elastically deformable end is assembled on the pillar, and the free end It is suitable for moving toward the fan, and the elastic deformation end provides a restoring force so that the free end and the bottom plate jointly clamp the board. 5. The light-emitting diode lamp according to claim 3, wherein each clamping member comprises: a wire spring assembled on the post; and A clamping part is connected with the wire spring, wherein the wire spring is suitable for providing a restoring force so that the clamping part and the bottom plate jointly clamp the board. 6 . The LED lamp according to claim 1 , wherein each of the first locking portions is a locking hole, and each of the second locking portions is a locking block. 7 . The light emitting diode lamp according to claim 1 , wherein each of the first locking parts is a locking block, and each of the second locking parts is a locking hole. 8. The light emitting diode lamp according to claim 1, wherein the main body has an outer surface and a bottom surface corresponding to the opening, the accommodating space is located on the bottom surface, and the cooling fins surround the outer surface and the extending direction of the cooling fins is substantially the same as the extending direction of the pillar, and one end of each cooling fin together forms a platform on which the fan is located. 9. The light-emitting diode lamp according to claim 1, further comprising at least one tertiary optical component disposed on the main body and located in the accommodating space, and a light-emitting surface of the tertiary optical component is correspondingly exposed in the opening. 10. The light-emitting diode lamp according to claim 9, further comprising a secondary optical component disposed on the main body and between the light-emitting diode array module and the tertiary optical component, the secondary optical component corresponding to exposed in the opening. 11. The light-emitting diode lamp according to claim 1, further comprising a plurality of first locking pieces, wherein the light-emitting diode array module has a plurality of fixing holes, and the first locking pieces pass through the fixing holes respectively And the light-emitting diode array module is locked in the accommodating space of the main body. 12. The LED lamp according to claim 11, wherein the first locking members comprise screws or bolts. 13. The light emitting diode lamp according to claim 1, further comprising a plurality of second locking pieces, wherein the main body has a plurality of first positioning holes, the fan has a plurality of second positioning holes, and the first positioning holes The two locking pieces respectively pass through the second positioning holes and the first positioning holes in sequence to lock the fan on the main body. 14. The LED lamp according to claim 13, wherein the second locking members comprise screws or bolts. 15. The LED lamp according to claim 1, wherein the main body is pivotally connected to the pillars of the frame through the second buckle parts and the first buckle parts.

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