TWM451485U - Lamp structure - Google Patents

Abstract

A lamp structure is provided. The lamp structure includes a lamp body, a plurality of heat sinks, a carrier, a light-emitting circuit board and a lamp cover. The lamp body has a first end portion, a second end portion and a lateral surface. The heat sinks are disposed around the lateral surface. The carrier is disposed on the second end portion of the lamp body to connect with the heat sinks, and has a plurality of first air guiding holes. The light-emitting circuit board is fixed on the carrier and has a plurality of light emitting diodes, a circuit board and a plurality of second air guiding holes and the heat sinks and the carrier are defined a plurality of third air guiding holes loc ated near the second end portion. The light emitting diodes are disposed on the circuit board, and each of the second air guiding holes are corresponding to each of the first air guiding holes and each of the third air guiding holes. The lamp body, the plurality of heat sinks and the carrier are made integrally.

Description

Lamp structure

This creation relates to a luminaire structure, and more particularly to a luminaire structure having a light-emitting diode.

Nowadays, light-emitting diodes (LEDs) have been widely used as light-emitting sources. Under long-term use, it is inevitable that the light-emitting diodes generate a large amount of heat. In order to prevent the LED from being damaged by overheating, various heat dissipation structures must be utilized to assist in dissipating the heat generated by the LED during operation.

In order to solve the above problems, the colored transparent cover and the lamp cover of the lamp structure disclosed in the new patent No. M360982 of Taiwan have a plurality of heat dissipation openings and slots, respectively, to dissipate the heat generated when the light emitting diode operates, and are well known. It should be understood by those skilled in the art that the heat dissipation effect of heat dissipation through only a plurality of openings and slots is limited, and since the heat dissipation openings and the slotting system are exposed, whether the light-emitting diode lamps are installed indoors or outdoors, Under long-term use, dust is easily accumulated in the light-emitting diode lamp through the heat-dissipating openings and slots, thereby affecting the luminous efficacy.

In order to solve the aforementioned drawbacks, the base of the lamp structure disclosed in the new patent No. M421454 of Taiwan is provided with a plurality of heat dissipation holes, and the heat dissipation body is disposed in the accommodation space of the base body to pass the heat generated by the light emitting diodes through the heat dissipation body. After that, the heat dissipation holes are dissipated to the outside. However, since the heat dissipation system is coated in the base body, the heat dissipation body cannot immediately generate heat generated by the light-emitting diodes, and may accumulate in the accommodation space, so that the light-emitting diodes Body If it is overheated and damaged, the vent hole is exposed to the outside as well. Under long-term use, dust easily enters and accumulates inside the pedestal, thus affecting its luminous efficiency.

In view of the above-mentioned deficiencies, it is an urgent problem to be solved in the industry to provide a luminaire structure which can improve the above-mentioned defects.

One object of the present invention is to provide a luminaire structure that can achieve a good heat dissipation effect with the most simplified structure and can simultaneously prevent dust from accumulating in the interior of the luminaire structure.

To achieve the above objective, the lamp structure disclosed in the present invention comprises a lamp cap, a lamp body, a plurality of heat dissipating fins, a lamp cap connecting portion, a carrier, an illuminating circuit board, a power board and a lamp cover. The lamp body has a first end portion, a second end portion and a side surface. The heat dissipating fins are disposed on the side surface and extend from the first end portion to the second end portion. The heat dissipating fins may define a plurality of air guiding holes at the second end portion together with the bearing block. The base connection portion is disposed at the first end and is coupled to the base. The power board is electrically connected to the light emitting circuit board. And the lamp cover is connected to the lamp body and covers the light-emitting circuit board. Wherein, the lamp body, the heat dissipation fin and the bearing seat are integrally formed.

The above objects, technical features and advantages will be more apparent from the following description.

Please refer to FIG. 1 , which is a perspective view of a lamp structure 1 according to an embodiment of the present invention; FIG. 2A is a schematic diagram of an explosion of the structure 1 of the creation lamp; FIG. 2B is another exploded view of the structure 1 of the lamp; FIG. And Figure 3B shows the structure of the luminaire structure 1 3D and 3D are partial perspective views of the lamp structure 1; FIG. 4A is a partial side view of the lamp structure 1. The lamp structure 1 of the embodiment includes a lamp cap 11, a lamp body 12, a plurality of heat dissipating fins 13, a lamp cap connecting portion 14, a carrier 15, a light emitting circuit board 16, a power board 17, and a lamp cover 18. The luminaire structure 1 of this embodiment will be further described in detail below.

Please refer to FIG. 2A, FIG. 2B, FIG. 3A, FIG. 3B and FIG. 4A, wherein the lamp body 12 has a first end portion 12a, a second end portion 12b and a side surface 12c. The fin 13 is annularly disposed on the side surface 12c and extends from the first end portion 12a to the second end portion 12b. The base connection portion 14 is disposed on the first end portion 12a and is connected to the base 11 . The carrier 15 is disposed on the second end portion 12b of the lamp body 12 to be in contact with the heat dissipation fins 13 . The carrier 15 has a plurality of first positions. The guide hole 15a, as shown in FIG. 3C and FIG. 3D, the carrier 15 and the heat dissipation fins 13 define a plurality of third drainage holes 13a together with the second end portion 12b, and each of the first guides The flow holes 15a may be in gas communication with each of the third flow guiding holes 13a. In order to save the production cost, the number of components included in the lamp structure 1 is simplified, and the lamp structure 1 of the present invention is made stronger, the lamp body 12, the heat dissipation fins 13 and the carrier 15 are integrally formed in the creation. In other preferred embodiments, the base connecting portion 14 and the lamp body 12, the heat dissipating fins 13, and the carrier 15 may be further integrally formed.

In the present embodiment, the base 11 and the base connecting portion 14 are screwed together. However, in other embodiments of the present invention, the joining may be performed in other manners (for example, bonding or riveting). Generally, under normal use conditions, the lamp cap 11 can be connected to a lamp socket (such as a lamp holder, not shown) disposed on the ceiling to receive power from the lamp socket, that is, when using the lamp structure 1, as in the first As shown, the shade 18 is facing down The lamp cap 11 is upwardly connected to the lamp socket (not shown) provided on the ceiling.

Please refer to FIG. 2A, FIG. 2B, FIG. 4B, FIG. 4C and FIG. 5, wherein FIG. 4B is a partial cross-sectional view taken along line AA' of FIG. 4A, and FIG. 4C is the first 4B is a schematic perspective view, and FIG. 5 is a perspective view of the light-emitting circuit board 16. The light-emitting circuit board 16 is fixed on the carrier 15 and has a light-emitting diode 161, a circuit board 162 and a plurality of second air guiding holes 16a. The light-emitting diodes 161 are disposed on the circuit board 162. The two air guiding holes 16a respectively correspond to the first guiding holes 15a, and the second guiding holes 16a are in gas communication with the first guiding holes 15a and the third guiding holes 13a. In other words, when the lamp structure 1 is in use and the lamp cover 18 is facing downward (as shown in FIG. 1), please refer to FIGS. 4B and 4C, and the hot air H generated when the light-emitting circuit board 16 is operated is raised and cooled according to the hot air. The principle of the air drop, the hot gas H will flow through the second air guiding hole 16a and continue to flow through the first air guiding hole 15a and the third air guiding hole 13a, and then escape to the outside. At the same time, the heat generated by the circuit board 162 during operation can be conducted to the outside through the carrier 15 and the heat dissipation fins 13. The lamp structure 1 can simultaneously dissipate the light-emitting circuit board 16 by means of air convection and heat conduction by the arrangement of the first air guiding hole 15a, the second air guiding hole 16a, the third air guiding hole 13a and the heat dissipation fins 13. The heat generated.

In addition, please refer to FIG. 3A and FIG. 5 simultaneously. In this embodiment, the carrier 15 can have a plurality of pillars 153, and the LED board 16 has a plurality of card holes 164 correspondingly coupled to the pillars 153, so that The second air guiding holes 16a of the light-emitting circuit board 16 are quickly positioned corresponding to the first air guiding holes 15a of the carrier 15.

As described above, please refer to FIG. 2A. The lamp body 12 defines an accommodating space 121. The power supply board 17 is electrically connected to the light-emitting circuit board 16. In this embodiment, please refer to FIG. 2B, FIG. 3A and FIG. 5, and the carrier 15 has a hole 151. The light-emitting circuit board 16 also has a hole 163 corresponding to the hole 151 of the carrier 15 so that a power line (not shown) of the power board 17 is electrically connected to the light-emitting circuit board 16 through the hole 151 and the hole 163. . The lampshade 18 is connected to the pedestal 15 and covers the illuminating circuit board 16. In this embodiment, please refer to FIG. 2A, FIG. 2B and FIG. 3A. The periphery of the carrier 15 has a plurality of card slots 152 and a lampshade. The bottom edge of the 18 is formed with a plurality of protrusions 181, and the protrusions 181 can be correspondingly embedded in the respective card slots 152 to engage the lamp cover 18 with the carrier 15. However, the lamp cover 18 and the carrier 15 are not limited to the foregoing bonding manner. Other embodiments of the present invention may be joined in other manners, which are well known to those skilled in the art and will not be described herein.

Please refer to the 3C, 3D, 4D, and 4E diagrams at the same time, the 4D diagram is a partial cross-sectional view taken along line BB' of FIG. 4A, and the 4E diagram is a perspective view of the 4D diagram. Each of the heat dissipation fins 13 has a recess 13b formed on one end 131 of each of the heat dissipation fins 13 , and each of the recesses 13 b is defined to define a third flow guiding hole 13 a respectively located on each of the heat dissipation fins 13 . On one side, in detail, in this embodiment, please refer to FIG. 3C and FIG. 3D. The carrier 15 and each groove 13b can define two third air guiding holes 13a, and the hot gas H can pass through. The second third air guiding hole 13a is dissipated to the outside. Since each groove 13b is formed on one end 131 of each of the heat dissipation fins 13 and is located at the second end portion 12b of the lamp body 12, the lamp structure 1 is viewed from the angle of FIG. 1, the carrier 15 and the grooves 13b. The third guiding holes 13a defined in the same manner can be hidden in the heat dissipating fins 13, thereby greatly reducing the probability of external dust entering the lamp body 12 through the third guiding holes 13a, and avoiding the respective The three air guiding holes 13a affect the aesthetics of the overall shape of the lamp structure 1.

It should be noted that the present invention is not limited to forming a groove on the heat dissipation fin, and the groove is formed in at least one of the heat dissipation fin and the carrier, so that the heat dissipation fin and the carrier are jointly defined by the groove. Third diversion hole. For example, please refer to FIG. 3E, which is a partial perspective cross-sectional view of a lamp structure according to another embodiment of the present invention. The lamp structure also includes a plurality of heat dissipation fins 23 and a carrier 25, and the carrier 25 has a plurality of first diversion flows. The hole 25a is formed on the carrier 25, and each groove 25b is located between each of the first guiding holes 25a and each of the heat dissipation fins 23, whereby the carrier 25 and the heat dissipation fins 23 are formed. At the time of joining, the plurality of third flow guiding holes 25c can be collectively defined, and the hot air can be discharged outward through the first flow guiding holes 25a and the third flow guiding holes 25c. In other embodiments of the present invention, the number of the flow guiding holes can be adjusted according to requirements. For example, the grooves can be simultaneously formed on the carrier and the heat dissipation fins, and can also be commonly defined when the carrier is engaged with the heat dissipation fins. A larger number of third diversion holes are provided to dissipate more hot air.

In this embodiment, when the heat dissipating fins 13 are disposed on the side surface 12c of the lamp body 12, at least one side surface 132 of each of the heat dissipating fins 13 is a curved surface. In this embodiment, the side surface 132 is a convex surface. The curved surface is used to increase the contact area of each of the heat dissipation fins 13 with the outside air. For details, please refer to FIG. 4D. The dotted arrows represent the outside air, and one side of the heat dissipation fins 13 and the outside air (such as the dotted arrow) The contact area A of the direct contact (between the two dashed arrows) will be greatly increased, and the heat dissipation area of the heat dissipation fins 13 is increased by increasing the contact area A to increase the heat dissipation efficiency of the heat dissipation fins 13. In this embodiment, the illuminating structure 1 includes six recesses 13b formed on the six fins 13 respectively. However, in other embodiments of the present invention, the number of the recesses 13b may be increased or decreased according to requirements. The number of three flow guiding holes 13a. In other embodiments of the present invention, if the power of the light-emitting circuit board is not large, the heat energy generated is small. At the same time, as shown in FIG. 4F, a cross-sectional view of another embodiment of the creation is shown, and the side surface 132 of the heat dissipation fin 13 can also be adjusted to a plane.

In addition, please refer to FIG. 3A, FIG. 4D and FIG. 5 at the same time, each groove 13b may have a length L1 such that the third flow guiding hole 13a has the same length as each groove 13b, and each first guiding hole 15a has a length L2, and each of the second air guiding holes 16a has a length L3. In the embodiment, the length L1, the length L2 and the length L3 are respectively 7 mm. In other embodiments of the present invention, the length L1 and the length L2 are respectively And the length L3 is preferably between 7 and 10 mm, respectively, but not limited to the aforementioned length range, the creation can also adjust the length of each diversion hole according to requirements, for example, each second diversion The length L3 of the hole 16a can be different from each other, and each of the third air guiding hole 13a and each of the first air guiding holes 15a can be adjusted to have different lengths, thereby adjusting the flow rate of the airflow convection.

As described above, please refer to FIG. 4B. In the embodiment, each groove 13b has a depth D1 between 1 mm and 10 mm, and please refer to FIG. 3E. In another embodiment of the present creation, The depth of one of the grooves 25b may be between 1 mm and 5 mm. In other preferred embodiments of the present invention, one of the grooves has a depth of 2 mm to 4 mm. However, it is not limited to the aforementioned depth range, and the creation can also adjust the depth of each groove according to requirements.

In summary, compared with the prior art, the structure of the lamp can be disposed on the heat dissipation fin through the flow guiding hole to simultaneously dissipate heat generated by the illuminating circuit board by convection and conduction, and is hidden in the through hole. Between the plurality of fins, not only can dust be prevented from entering the interior of the lamp structure, but also the aesthetics of the lamp structure can be maintained. Furthermore, the lamp body of the lamp structure, the plurality of fins and the carrier are integrally formed, which can further simplify the lamp Structured components to reduce production costs.

The above embodiments are only used to exemplify the implementation of the present invention, and to explain the technical features of the present invention, and are not intended to limit the scope of protection of the present invention. Any changes or equivalences that can be easily accomplished by those skilled in the art are within the scope of this creation. The scope of protection of this creation shall be subject to the scope of the patent application.

1‧‧‧Lighting structure

11‧‧‧ lamp holder

12‧‧‧Light body

121‧‧‧ accommodating space

12a‧‧‧First end

12b‧‧‧second end

12c‧‧‧ side

13‧‧‧Heat fins

131‧‧‧End

132‧‧‧ side

13a‧‧‧ third orifice

13b‧‧‧ Groove

14‧‧‧ lamp joint

15‧‧‧Hosting

151‧‧‧ hole

152‧‧‧ card slot

153‧‧‧Cylinder

15a‧‧‧First diversion hole

16‧‧‧Lighting circuit board

161‧‧‧Lighting diode

162‧‧‧ boards

163‧‧‧ hole

164‧‧‧Kakong

16a‧‧‧Second diversion hole

17‧‧‧Power board

18‧‧‧shade

181‧‧‧ bumps

23‧‧‧ Heat sink fins

25‧‧‧Hosting

25a‧‧‧First diversion hole

25b‧‧‧ Groove

25c‧‧‧ third orifice

A‧‧‧Contact area

H‧‧‧ hot air

AA’‧‧‧ hatching

BB’‧‧‧ hatching

L1‧‧‧ length

L2‧‧‧ length

L3‧‧‧ length

D1‧‧ depth

D2‧‧ depth

1 is a schematic perspective view of a lamp structure according to an embodiment of the present invention; FIG. 2A is a schematic exploded view of a lamp structure according to an embodiment of the present invention; FIG. 2B is another exploded view of a lamp structure according to an embodiment of the present invention; And FIG. 3B is a partial perspective view of a lamp structure according to an embodiment of the present invention; FIG. 3C and FIG. 3D are partial perspective sectional views of the lamp structure of the present embodiment; FIG. 3E is a lamp structure of another embodiment of the present invention. 4A is a partial side view of the structure of the lamp according to an embodiment of the present invention; FIG. 4B is a partial cross-sectional view taken along line AA' of FIG. 4A; and FIG. 4C is a perspective view of FIG. 4B 4D is a partial cross-sectional view taken along line BB' of FIG. 4A; FIG. 4E is a perspective view of FIG. 4D; FIG. 4F is a partial cross-sectional view showing the structure of the lamp of another embodiment; FIG. 5 is a perspective view of a light-emitting circuit board of a lamp structure according to an embodiment of the present invention.

1‧‧‧Lighting structure

11‧‧‧ lamp holder

12‧‧‧Light body

12a‧‧‧First end

12b‧‧‧second end

12c‧‧‧ side

13‧‧‧Heat fins

14‧‧‧ lamp joint

15‧‧‧Hosting

151‧‧‧ hole

152‧‧‧ card slot

15a‧‧‧First diversion hole

16‧‧‧Lighting circuit board

161‧‧‧Lighting diode

162‧‧‧ boards

163‧‧‧ hole

16a‧‧‧ third orifice

17‧‧‧Power board

18‧‧‧shade

181‧‧‧ bumps

Claims (10)

A lamp structure comprising: a lamp cap; a lamp body having a first end portion, a second end portion and a side surface; a plurality of heat dissipating fins, the tether being disposed on the side surface and extending from the first end portion a second end portion; a base connection portion disposed at the first end portion and connected to the lamp cap; a carrier seat disposed at the second end portion of the lamp body to be opposite to the heat dissipation fins The carrier has a plurality of first guiding holes; an illuminating circuit board is fixed on the carrier, and has a plurality of light emitting diodes, a circuit board and a plurality of second guiding holes, and the light emitting diodes Provided on the circuit board, each of the second air guiding holes respectively corresponding to each of the first air guiding holes; a power board, electrically connected to the light emitting circuit board; a light cover, is connected to the carrier, and Covering the light-emitting circuit board; and a plurality of recesses formed in at least one of the heat-dissipating fins and the carrier, the heat-dissipating fins and the carrier can define a plurality of Three flow guiding holes, the first guiding holes and the second guiding holes and the third guiding flow A gas communication line; wherein the lamp body, such heat dissipation fins and said base line are integrally formed. The luminaire structure of claim 1, wherein the lamp system defines an accommodating space for accommodating the power board. The luminaire structure of claim 1, wherein the lamp body, the heat dissipation fins, The carrier and the base connecting portion are integrally formed. The luminaire structure of claim 1, wherein each of the heat dissipating fins is disposed on the side of the lamp body, and at least one side of each of the heat dissipating fins is a curved surface. The luminaire structure of claim 1, wherein the carrier and the illuminating circuit board each have a hole, such that a power cord of the power board is electrically connected to the illuminating circuit board through the holes. The luminaire structure of claim 1, wherein the periphery of the carrier has a plurality of card slots, and the bottom edge of the lamp cover is formed with a plurality of protrusions, each of the protrusions being correspondingly embedded in each of the card slots, so that the lampshade is Engaged with the carrier. The luminaire structure of claim 1, wherein the cradle has a plurality of cylinders, and the illuminating circuit board has a plurality of card holes, and the columns are adapted to be correspondingly inserted into the card holes, so that the illuminating circuit board The second guiding hole corresponds to the first guiding hole of the bearing seat. The luminaire structure of claim 1, wherein the grooves are formed by six grooves on the ends of the six heat dissipation fins of the heat dissipation fins. The luminaire structure of claim 1, wherein each of the first guiding holes, each of the second guiding holes and each of the third guiding holes respectively have a length of between 7 and 10 mm. The luminaire structure of claim 1, wherein each of the grooves has a depth system between 1 mm and 10 mm.