TW201522853A - Inner diversion type lamp device heat dissipation structure - Google Patents

Abstract

An inner diversion type lamp device heat dissipation structure has a base body capable of being assembled with a lamp device, wherein the base body is formed to be surrounded by a hollowed shaped housing wall with an outer circumferential surface and an inner circumferential surface. A plurality of lamp bodies are distributed on the outer circumferential surface of the housing wall. A heat dissipation core column extended along an axial direction is formed in the center of the base body. A plurality of supporting ribs are circumferentially arranged on the outer periphery of the heat dissipation core column. The inner circumferential surface of the housing wall of the base body is employed to encircle and connect with each of the supporting ribs, so as to form a wind guiding flow channel between the supporting ribs to speed up flow guiding and heat dissipating. Furthermore, a plurality of fin ribs are protruded from the inner circumferential surface of the housing wall to be disposed in each wind guiding flow channel, so as to increase the heat conduction area.

Description

Internal flow guiding lamp heat dissipation structure

The invention relates to the structure of the lamp, in particular to a heat dissipation structure of the inner flow guiding lamp.

According to the fact, Light Emitting Diode (LED) has the advantages of low energy consumption, long life, small size, no pollution and good luminous effect, so it has been widely applied to lighting fixtures. However, as the power of the LED increases, the heat dissipation space is insufficient, and if the heat generated by the LED cannot be effectively dissipated, the luminous efficiency is lowered or destroyed.

Therefore, as shown in FIG. 3, a general LED lamp is additionally provided with an annular heat sink 91 at the outer side or the end portion thereof for heat dissipation, and the conventional heat sink 91 is mainly formed in one piece. The heat dissipation fins 92 are formed in a plurality of flat and equidistantly arranged heat dissipation fins 92 on the circumferential surface thereof, but the heat dissipation fins 92 having a flat diffusion shape only have a heat dissipation effect of radiant heat conduction, and these heat dissipation The arrangement of fins is too dense, so the heat dissipation effect on air convection is not ideal. Moreover, the way of externally connecting the heat sink to the LED luminaire is not only cumbersome, but also tends to increase the overall volume of the LED luminaire, and it will affect the appearance and The problem of limited installation environment exists.

In view of this, how to improve the above problems and solve the disadvantages of insufficient heat dissipation space is the primary problem to be solved by the present invention.

One of the objects of the present invention is to provide a heat dissipation structure for an internal flow guiding lamp, which has the effect of effectively improving the heat dissipation efficiency by means of internal guiding, and ensures the consistency of the overall appearance.

The second object of the present invention is to provide a heat dissipation structure for an inner flow guiding lamp, which integrates the lamp and the heat dissipation structure into one body, and further has the advantages of convenient assembly and ensuring the consistency of the overall appearance.

The third object of the present invention is to provide a heat dissipation structure for an inner flow guiding lamp, which has a light source that can affect the light exit angle and allows the lamp of the invention to illuminate 360 ,, and can be widely applied to street lights and landscapes. The effect of lights, trail lights or garden lights.

In order to achieve the foregoing objective, the present invention provides a heat dissipation structure for an inner flow guiding lamp, comprising a seat body that can be assembled with a lamp device, wherein the seat body is surrounded by a wall of the outer casing to form a hollow shell shape and has an outer peripheral surface. And an inner circumferential surface, and a plurality of lamp bodies are disposed on the outer circumferential surface of the outer casing wall, and a heat dissipation core extending in the axial direction is formed in the center of the inner portion of the outer casing, and a plurality of rib rings are disposed on the heat dissipation The outer circumference of the stem, and the outer casing wall of the seat body is surrounded by the inner peripheral surface and the connecting ribs are formed, so that a guide air flow passage is formed between each of the ribs, and is protruded on the inner circumferential surface of the outer casing wall. A plurality of fin ribs located in each of the air guiding channels.

Preferably, the lamp systems are circumferentially disposed on the outer circumferential surface of the base body 360.

Preferably, each of the ribs is respectively disposed at a middle portion of the inner circumferential surface of one side of the outer casing wall, and the fin ribs on the inner circumferential surface of the outer casing wall respectively extend perpendicularly along the inner circumferential surface thereof.

Further, the outside of the seat is sleeved with a lamp cover, the lamp cover is surrounded by the outer circumference of the seat body, and the lamp cover has a distance from the outer peripheral surface of the seat.

Preferably, the lamp cover has a continuous concave-convex surface on an inner wall facing the outer peripheral surface of the seat.

Preferably, the two ends of the lampshade have an opening, and each of the openings is respectively covered with a cover body, and the two cover bodies are respectively connected to the two ends of the base body, and the two covers are respectively At least one air guiding hole communicating with the air guiding channel of the seat body is respectively disposed on the end surface of the body.

Further, the heat dissipation core has a connecting hole formed at least at one end thereof, and the connecting hole is connected to one end of the connecting member, and the other end of the connecting member protrudes outwardly from the connecting hole It is used to axially connect a heat sink.

Preferably, the connecting member is a bolt, and the connecting hole is a screw hole that can be screwed to the connecting member.

The above objects and advantages of the present invention will be readily understood from the following detailed description of the embodiments of the invention.

(customized part)

91‧‧‧ Radiator 92‧‧‧ Heat sink fins

(part of the invention)

11‧‧‧The body of the body

121‧‧‧The outer circumference of the inner surface of 122‧‧‧

123‧‧‧ screw joint 13‧‧‧ cooling core

131‧‧‧Connected holes 14‧‧ ribs

15‧‧‧wind channel 16‧‧‧ fin ribs

17‧‧‧Connector 21‧‧‧Light body

31‧‧‧Lighting device 32‧‧‧ connector

41‧‧‧shade 42‧‧‧ openings

43‧‧‧ spacing 44‧‧ ‧ concave surface

45‧‧‧ cover body 451‧‧‧ screw hole

452‧‧‧ screw joints 453‧‧  air guide holes

454‧‧‧through hole 51‧‧‧ radiator

Figure 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view showing the state of use of the present invention for showing the state in which the lighting fixture of the present invention is constructed.

Figure 3 is a schematic view showing the state of use of the present invention for showing the relationship between the present invention and the lampshade.

Figure 4 is a schematic view showing the structure of the cover of the present invention.

Figure 5 is a schematic view showing the structure of a lighting fixture constructed by the present invention in combination with an external heat sink.

Fig. 6 is a schematic view showing the structure of a radiator for a conventional LED lamp.

First, please refer to FIG. 1 , which is a heat dissipation structure of an internal flow guiding lamp provided by the present invention, which mainly comprises a seat body 11 which can be assembled with a lamp device, wherein:

The base body 11 is made of a material with good thermal conductivity, for example, aluminum, copper or other alloy metal is integrally drawn and extruded into a hollow shell shape by an aluminum extrusion type, and of course, it can be made according to actual needs. a hollow shell having a rectangular shape, an elliptical shape or any other shape, whereby the seat body 11 is formed by a casing wall 12 having a plurality of circumferential sides, the casing wall 12 having an outer peripheral surface 121 and An inner peripheral surface 122, and a plurality of lamp bodies 21 are disposed on the outer peripheral surface 121 of the outer casing wall 12. In the embodiment, the lamp body 21 is composed of LED dies, and the lamp bodies 21 are A 360 ̊ ring is disposed on the outer peripheral surface 121 of the base body 11 , and an axially extending heat dissipation core 13 is integrally formed in the inner center of the seat body 11 , and the plurality of support ribs 14 are The heat dissipation stem 13 is integrally extended outwardly and outwardly. The outer wall 12 of the base body 11 is surrounded by the inner peripheral surface 122 and connected to one end of each of the ribs 14 to extend outwardly. Formed a plurality of fin ribs 16 extending in the axial direction and extending through the two ends of the housing body 11, and a plurality of fin ribs 16 extending in the respective air guiding channels are protruded from the inner peripheral surface 122 of the housing wall 12, in this embodiment. Each of the ribs 14 is respectively disposed at a position of a middle portion of the inner circumferential surface 122 of one side of the outer casing wall 12, and the fin ribs 16 of the inner circumferential surface 122 of each side of the outer casing wall 12 are respectively adjacent to the inner circumference thereof. The surface 122 extends vertically; and thereby, the heat dissipation structure of the inner flow type lamp having the excellent heat dissipation effect and integrating the lamp body 21 and the base body 11 can be constructed.

The heat dissipation structure of the inner flow guiding lamp of the present invention constructed by the above structure can greatly improve the air convection efficiency by using a plurality of air guiding channels 15 formed in the interior of the seat body 11 for accelerating drainage. The heat generated by the lamp body 21 on the outer peripheral surface 121 of the base body 11 is effectively brought out of the seat body 11 by air convection, and the present invention is utilized by the outer wall 11 of the seat body 11. A plurality of fin ribs 16 located in each of the air guiding channels 15 are convexly disposed on the inner peripheral surface 122, and the heat conducting area thereof is effectively increased to greatly improve the overall heat dissipation efficiency of the heat guiding structure of the inner guiding type lamp provided by the present invention.

Furthermore, in the present invention, the lamp body 21 is directly integrated on the outer peripheral surface 121 of the base body 11, so that it is not necessary to additionally provide a heat sink to meet sufficient heat dissipation requirements, so that the assembly can be further improved. For convenience, and not to make the volume of the entire set of lighting fixtures greatly increased, affecting its overall appearance.

In addition, as shown in the second and third embodiments, the heat dissipation structure of the inner flow type lamp provided by the present invention is connected to a lamp device 31 at one end of the base body 11. The lamp device 31 has a joint 32. And at least one control substrate (not shown) for electrically connecting the lamp bodies 21 to the lamp body 31 is provided in the lamp device 31, and is permeable to the body 11 The light cover 41 is configured to form a lighting fixture. In this embodiment, the two ends of the lamp cover 41 are vacant to have an opening 42 respectively, and the lamp cover 41 is sleeved and surrounded by the base 11 An outer circumference, and a gap 43 between the lamp cover 41 and the outer peripheral surface 121 of the base body 11, and the lamp cover 41 has a continuous concave-convex surface 44 facing the inner wall of the outer peripheral surface 121 of the base body 11, thereby preventing the outer surface The glare structure makes the illumination light have an anti-glare effect.

A cover body 45 is respectively disposed on each opening 42 of the lamp cover 41. As shown in FIG. 4, a plurality of screw holes 451 are formed on the end surface of the cover body 45, and are respectively connected by a screw member 452. The screw holes 451 are fixed to the corresponding screwing portions 123 on the opposite end surfaces of the base body 11, so that the two cover bodies 45 are respectively connected to the end faces of the seat body 11, and the cover body 45 is attached to the cover body 45. At least one air guiding hole 453 communicating with the air guiding passage 15 of the seat body 11 is further provided on the end surface, so that the air guiding flow path 15 is kept open, and thereby the lamp on the outer peripheral surface 121 of the seat body 11 is provided. The thermal energy generated by the body 21 during startup can be quickly brought out of the housing 11 and the lamp cover 41 by air convection (as indicated by the dashed arrow in Fig. 2).

The illuminating lamp composed of the above-mentioned structure is disposed on the outer peripheral surface 121 of the base body 11 by 360 ̊ in a ring, so that it can have the effect of not affecting the light-emitting angle of each lamp body, and The lighting fixture can be used to illuminate a 360-inch light source with the body 11 as an axis, and can be widely applied to street lights, landscape lights, walkway lights or garden lights.

Further, the heat dissipation stem 13 has a through hole 131 formed at least at one end thereof, and a through hole 454 is defined in the cover body at a position corresponding to the hole 131, and as shown in FIG. 5, The connecting hole 131 can be connected to one end of a connecting member 17 , and the other end of the connecting member 17 protrudes outwardly from the connecting hole 131 and the through hole 454 for use with an external heat sink The 51-axis is connected in series, and thus the user can directly connect the external heat sink 51 according to actual needs to form a desired lighting fixture. In the embodiment, the connecting member 17 is a bolt, and the connecting hole 131 is a screw hole that can be screwed to the connecting member 17 .

The disclosure of the above embodiments is intended to be illustrative of the invention and is not intended to limit the invention.

In summary, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objectives and is in compliance with the provisions of the Patent Law.

11‧‧‧

12‧‧‧ Shell wall

121‧‧‧ outer perimeter

122‧‧‧ inner circumference

123‧‧‧ screw joint

13‧‧‧Heat cooling column

131‧‧‧Connected holes

14‧‧‧ ribs

15‧‧‧wind channel

16‧‧‧Fin ribs

21‧‧‧Light body

Claims (8)

The heat dissipation structure of the inner flow guiding lamp comprises a seat body which can be assembled with the lamp device, wherein the seat body is formed by a wall of the outer casing and has a hollow shell shape and has an outer peripheral surface and an inner peripheral surface, and a plurality of lamp bodies are disposed on the outer circumferential surface of the outer casing wall, and a heat dissipation core extending in the axial direction is formed in the center of the inner portion of the outer casing, and a plurality of rib rings are disposed on the outer circumference of the heat dissipation core column, and the seat body The outer wall of the outer casing surrounds and connects the ribs with the inner peripheral surface thereof, so that a guide air flow passage is formed between each of the ribs, and a plurality of fin ribs located in the air guiding passages are protruded from the inner circumferential surface of the outer casing wall. . The heat-dissipating structure of the flow guiding lamp of claim 1, wherein the lamp systems are disposed on the outer circumferential surface of the lamp body 360 ̊ in the circumferential direction. The heat dissipation structure of the flow guiding lamp of claim 1, wherein each of the ribs is respectively disposed at a middle portion of the inner circumferential surface of one side of the outer casing wall, and the fin ribs on the inner circumferential surface of the outer casing wall are respectively It extends vertically along its inner peripheral surface. The heat dissipation structure of the flow guiding lamp of claim 1, wherein a lamp cover is further sleeved outside the body, the lamp cover is surrounded by the outer circumference of the seat body, and a gap is provided between the lamp cover and the outer peripheral surface of the seat body. . The heat dissipation structure of the flow guiding lamp in claim 4, wherein the lamp cover has a continuous concave and convex surface on an inner wall facing the outer peripheral surface of the seat. The heat-dissipating structure of the flow-guiding luminaire of claim 4, wherein the two ends of the lampshade have an opening, and each of the openings is respectively covered with a cover body, and the two covers are respectively associated with the seat body The two ends are connected to each other, and at least one air guiding hole communicating with the air guiding channel of the seat body is respectively disposed on the end faces of the two covers. The heat dissipation structure of the flow guiding lamp of claim 1, wherein the heat dissipation core has a connecting hole at least one end thereof, and the connecting hole is connected to one end of the connecting member, and the connecting member is another One end is relatively protruded out of the connecting hole, and is used to be axially connected to a heat sink. The heat-dissipating structure of the flow-through lamp of claim 7, wherein the connecting member is a bolt, and the connecting hole is a screw hole that can be screwed to the connecting member.