TWM510421U - Lighting device - Google Patents

Description

Lighting device

In particular, the present invention provides a method for dissipating the heat generated by the LED elements of the light source module to the outside of the body by means of the heat sinks when the LED elements of the light source module emit light, so as to effectively dissipate heat. And lighting devices that greatly improve the heat dissipation effect and service life.

According to the lighting of outdoor advertising billboards or venues, stores, factories, etc., lighting devices with a large wattage such as projection lamps or patio lights are generally installed to provide illumination with sufficient brightness.

Please refer to FIG. 1 , which is a new patent case of "Patio Light Structure" of Taiwan Announcement No. M487992, which mainly comprises a casing 10, a metal base 11, a light emitting diode unit 12 and a heat dissipating unit 13; The frame 10 is provided with a frame 101, one end of the frame 101 is connected and fixed to the casing 10, and the metal base 11 is connected to the other end. The side ring of the metal base 11 is provided with a lamp cover 111, and A light emitting diode unit 12 is disposed on a bottom surface of the metal base 11 for emitting light, and a heat dissipating unit 13 that can be a heat dissipating fin is disposed on a top surface of the metal base 11 and the heat dissipating unit 13 is disposed. The bottom surface of the metal base 11 is closely attached to the top surface of the metal base 11 , and when the light emitting diode unit 12 emits light to generate high heat, the heat generated by the light emitting diode unit 12 is transmitted to the metal base 11 , and then It is conducted to the heat dissipating unit 13 via the metal base 11 to be dissipated by the heat dissipating unit 13; however, the patio lamp still has the following disadvantages in use:

1. The high heat generated by the LED unit 12 is only conducted to the single heat dissipation unit 13 by the metal base 11 for heat dissipation. However, the heat dissipation unit 13 is installed inside the casing 10, and the volume of the heat dissipation unit 13 is Heat dissipation area will Restricted by the internal space of the casing 10, the heat dissipation efficiency of the heat dissipation unit 13 is relatively affected, and it is difficult to load and dissipate the high heat generated by the LED unit 12, and the heat dissipation effect is obviously insufficient.

2. The heat generated by the LED unit 12 can be dissipated by the heat dissipating unit 13. However, the heat dissipating unit 13 is disposed inside the casing 10, so that the heat dissipated by the heat dissipating unit 13 is still accumulated in the casing. In the case of 10, heat cannot be effectively conducted to the outside of the casing 10 for heat dissipation, so that the heat dissipation effect is not good, which not only affects the luminous efficiency of the LED unit 12, but also greatly reduces the service life of the LED unit 12. .

In view of this, the creator has been engaged in research and development and production experience in related industries for many years, and has conducted in-depth research on the problems currently faced. After long-term efforts and research, he has finally developed a lighting device to improve the lack of knowledge. Disadvantages, this is the design tenet of this creation.

The purpose of the present invention is to provide a lighting device comprising a body, a plurality of heat sinks and a light source module; one end of the body is provided with a receiving portion, and a plurality of heat sinks are disposed outside, the phases are The adjacent heat sinks are spaced apart from each other, and a heat conducting portion extending to the receiving portion of the main body is respectively disposed at one end of each of the heat dissipating fins, and a light source module is disposed on the receiving portion of the main body. The circuit board is provided with at least one LED component, and the circuit board is located on the heat conducting portion of the heat sink; thereby, when the LED component of the light source module emits light, the heat dissipation is utilized. The film distributes the heat generated by the LED elements of the light source module to the outside of the body in a shunt manner, so as to effectively dissipate heat, thereby achieving the practical purpose of greatly improving the heat dissipation effect.

The second object of the present invention is to provide a lighting device, which is provided with a plurality of heat sinks on the outside of the body, wherein the adjacent heat sinks have a separation distance, and The heat conducting portion extending to the bottom surface of the circuit substrate of the light source module is respectively disposed at one end of each of the heat dissipating fins, and the light source module is shunted by using the heat dissipating fins when the LED components of the light source module emit light. The heat generated by the LED component is dispersed and transmitted to the outside of the body to effectively dissipate heat, so that the light source module is maintained at a normal working temperature, thereby achieving the practical purpose of improving the service life.

Conventional part:

10‧‧‧shell

101‧‧‧Frame

11‧‧‧Metal base

111‧‧‧shade

12‧‧‧Lighting diode unit

13‧‧‧Heat unit

This creative part:

20‧‧‧ body

201‧‧‧Locking Department

202‧‧‧ Mounting Department

203‧‧‧Holding Department

204‧‧‧ Ribs

205‧‧‧Bumps

206‧‧‧ slots

207‧‧‧ card edge

208‧‧‧ spacer

30‧‧‧ Heat sink

301‧‧‧Transfer Department

3011‧‧‧Bumps

302‧‧‧through slot

303‧‧‧Deduction Department

40‧‧‧Light source module

41‧‧‧ circuit board

411‧‧‧Perforation

412‧‧‧ plug

42‧‧‧LED components

43‧‧‧Bolts

44‧‧‧ concentrator

45‧‧‧shade

46‧‧‧Fixed ring

50‧‧‧Drive Module

51‧‧‧Drive circuit unit

511‧‧‧ wire

512‧‧‧ wire

513‧‧‧ socket

52‧‧‧Power connector

60‧‧‧ Thermal medium

Figure 1 is a schematic diagram of the structure of the new patent case No. M487992 published by Taiwan.

Figure 2: An exploded view of the creation.

Figure 3: Schematic diagram of the combination of the creation.

Figure 4: Schematic diagram of the combined profile of this creation (1).

Figure 5: Schematic diagram of the combined profile of this creation (2).

Figure 6 is a partial cross-sectional view of Figure 5.

Figure 7: Schematic diagram of the heat dissipation of this creation during use (1).

Figure 8: Schematic diagram of the heat dissipation of this creation during use (2).

Figure 9: Schematic diagram of the heat dissipation of the creation during use (3).

Referring to FIGS. 2-6, the lighting device of the present invention includes a body 20, a plurality of heat sinks 30, a light source module 40, and a driving module 50. The body 20 is hollow, and the body 20 is A plurality of locking portions 201 and two opposite mounting portions 202 are disposed in the receiving space of the body 20, and the receiving portion 203 is disposed at one end of each of the locking portions 201. In the embodiment, the body 20 is made of a heat insulating material having a low thermal conductivity such as plastic or ceramic, and the outer portion of the body 20 is convexly provided with a plurality of ribs 204 to increase the overall strength of the body 20; A heat sink 30 formed by forming a heat conductive material having a high thermal conductivity such as aluminum, copper or aluminum-magnesium alloy is disposed outside the body 20, and the heat dissipation is performed. One end of the sheet 30 is respectively provided with a heat conducting portion 301 extending into the receiving portion 203 of the body 20, and the adjacent fins 30 are spaced apart to prevent the heat sinks 30 from contacting each other for heat conduction. Each of the fins 30 has a space between the inner surface of each of the heat sinks 30 and the outer surface of the body 20; in the embodiment, the heat sinks 30 are provided with an assembly structure between the heat sinks 30 and the body 20, so that The heat dissipation fins 30 are fixedly disposed on the outside of the main body 20. The assembly structure is respectively provided with a through slot 302 at one end of the heat sink 30, and one end of the main body 20 is provided with a corresponding heat sink 30. The plurality of bumps 205 of the recesses 205 are inserted into the slots 302 of the heat sinks 30, and the other ends of the heat sinks 30 are respectively fastened. a portion 303, the body 20 is provided with a slot 206 corresponding to the fastening portion 303 of each of the heat sinks 30, and a snap edge 207 is respectively protruded from the inner side of each of the slots 206 for fastening the respective The fastening portion 303 of the heat sink 30 allows the heat sinks 30 to be fixedly mounted on the outside of the body 20, and in order to reliably block the heat sink 30 The heat dissipation between the heat sinks 30, the body 20 is respectively provided with a spacer strip 208 in the interval between the adjacent heat sinks 30, and the body 20 is made of a heat insulating material with a low thermal conductivity such as plastic or ceramic. The spacers 208 of the body 20 can block the heat conduction between the heat sinks 30. The light source module 40 is disposed in the receiving portion 203 of the body 20, and the light source module 40 is provided with a circuit substrate 41. The circuit board 41 is provided with a plurality of LED elements 42 for emitting light illumination. In this embodiment, the circuit board of the light source module 40 is locked to the body 20 by a plurality of bolts 43. The circuit board 41 is disposed on the heat conducting portion 301 of each of the heat sinks 30. The circuit board 41 is separated by a plurality of regions respectively corresponding to the heat conducting portions 301 of the heat sinks 30, and then respectively A plurality of LED elements 42 are disposed in each of the regions. The circuit board 41 is provided with a plurality of through holes 411 respectively corresponding to the LED elements 42. The heat conducting portions 301 of the heat sinks 30 are disposed on the circuit board 41. Then, a plurality of protruding rods 3011 are protruded, and the protruding rods 3011 are respectively protruded into the respective through holes 411 of the circuit board 41, and then coated between the end portions of the protruding rods 3011 and the LED elements 42. The heat transfer medium 60 of the thermal conductive paste may be used to conduct heat generated by the LED elements 42 to the bumps 3011 on the heat conducting portion 301 of each of the heat sinks 30 via the heat conducting medium 60, and then dispersed and conducted by the heat sinks 30. The heat is applied to the outside of the body 20, and the light emitted by the LED elements 42 is concentrated. The concentrating cover 44 is disposed on the peripheral side of the circuit board 41 and is disposed on the concentrating cover 44. A light cover 45, which can be a convex lens, is provided, and the light collecting effect is provided by the light collecting cover 44 and the light cover 45, so that the light emitted by the LED elements 42 can be concentratedly projected, wherein one end of the body 20 is bonded. The fixing module 46 is provided with a fixing ring 46 for fixing the concentrating cover 44 and the lamp cover 45. The driving module 50 is provided with a driving circuit unit 51 for the circuit board, and the driving circuit unit 51 is disposed on the body 20 The mounting portion 202 is electrically connected to the input end of the driving circuit unit 51. The power connector 52 at the other end of the body 20 is electrically connected to the circuit substrate 41 of the light source module 40, and the driving circuit unit 51 can perform voltage transformation, voltage regulation, AC and DC conversion, and then drive. The LED elements 42 of the light source module 40 emit light. Since the driving module 50 performs power transformation, voltage regulation, and AC/DC conversion, the technology is familiar in the industry, and is not the design focus of the creation, so In the present embodiment, the input end of the driving circuit unit 51 of the driving module 50 is electrically connected to the power connector 52 by two wires 511 and 512, and the output end of the driving circuit unit 51 is provided with a socket 513. The circuit board 41 of the light source module 40 is provided with a plug 412 for interposing with the socket 513 to electrically connect the circuit board 41 of the light source module 40 to the driving circuit unit 51 of the driving module 50.

Please refer to Figures 7, 8, and 9. When the present invention is used, the lighting device can be installed on the ceiling, and the power connector of the driving module 50 is used. 52 is connected to the power source, and the driving circuit unit 51 performs voltage transformation, voltage regulation, and AC/DC conversion to drive the LED elements 42 of the light source module 40 to emit light, because the circuit substrate 41 of the light source module 40 The upper portion is divided into a plurality of regions respectively corresponding to the heat conducting portions 301 of the heat sinks 30, and the plurality of LED elements 42 are collectively disposed in the respective regions. Therefore, when the LED elements 42 of the light source module 40 are emitted In the case of light, the heat generated by each of the LED elements 42 in each of the regions is transmitted to the respective bumps 3011 on the heat conducting portion 301 of each of the heat sinks 30 via the heat conducting medium 60, and the heat conducting portions 301 of the heat sinks 30 are further Dissipating the heat generated by the heat of each of the LED elements 42 to the outside of the body 20, because the adjacent fins 30 are spaced apart, and the spacers 208 of the body 20 block the gaps between the heat sinks 30. The heat is transferred, and the heat is prevented from being accumulated in the body 20, so that the heat generated by the LED elements 42 of the light source module 40 can be distributed and distributed to the outside of the body 20 to effectively dissipate heat, and in addition, when each LED element 42 produced After the heat is dispersed and transmitted to the outside of the body 20, the temperature of each of the heat sinks 30 is higher than the temperature of the body 20, and the temperature difference between the heat sinks 30 and the body 20 is used to make the heat sinks 30 A vortex flow is formed in the space between the inner side surface and the outer annular surface of the body 20 to increase the heat dissipation effect. Therefore, when the LED elements 42 of the light source module 40 emit light, the heat sinks are utilized. The heat generated by the LED elements 42 of the light source module 40 is distributed and distributed to the outside of the body 20 in a shunt manner, thereby effectively dissipating heat, thereby achieving the practical benefit of greatly improving the heat dissipation effect and the service life.

Accordingly, this creation is a practical and progressive design. However, the same products and publications have not been disclosed, so that the requirements for new patent applications are allowed, and applications are filed according to law.

20‧‧‧ body

202‧‧‧ Mounting Department

206‧‧‧ slots

207‧‧‧ card edge

30‧‧‧ Heat sink

301‧‧‧Transfer Department

302‧‧‧through slot

303‧‧‧Deduction Department

40‧‧‧Light source module

41‧‧‧ circuit board

412‧‧‧ plug

42‧‧‧LED components

44‧‧‧ concentrator

45‧‧‧shade

46‧‧‧Fixed ring

50‧‧‧Drive Module

51‧‧‧Drive circuit unit

511‧‧‧ wire

512‧‧‧ wire

513‧‧‧ socket

52‧‧‧Power connector

Claims (10)

A lighting device includes: a main body: a receiving portion is disposed at one end; a plurality of heat dissipating fins are disposed outside the main body, and the adjacent heat dissipating fins have a separation distance, and the heat dissipating One end of the sheet is respectively provided with a heat conducting portion extending to the receiving portion of the body; the light source module is disposed on the receiving portion of the body, the light source module is provided with a circuit substrate, and the circuit substrate is provided with at least one LED The component is disposed on the heat conducting portion of each of the heat sinks. The illuminating device according to the first aspect of the invention, wherein the body is provided with a accommodating space, and a plurality of locking portions and two opposite mounting portions are disposed in the accommodating space of the body, and The receiving portion is disposed at one end of each of the locking portions, and a plurality of ribs are protruded from the outside of the body. The lighting device according to claim 1, wherein the system is made of a heat insulating material having a low thermal conductivity, and the heat sink is formed by a heat conductive material having a high thermal conductivity. The illuminating device of claim 1, wherein the system has a spacer strip protruding from each of the adjacent fins. The illuminating device of claim 1, wherein the heat dissipating fins and the main body are provided with an assembling structure, and the assembling structure is respectively provided with a through groove at one end of each of the heat dissipating fins, and the main body is provided One end is provided with a plurality of bumps corresponding to the slots of the heat sinks, and the bumps of the body are respectively disposed in the through slots of the heat sinks, and are respectively disposed at the other ends of the heat sinks. There is a fastening portion, the body is provided with a slot corresponding to the fastening portion of each of the heat sinks, and a snap edge is respectively protruded on the inner side of the slot for fastening and fastening the heat sink Joint department. The illuminating device of the first aspect of the invention, wherein the circuit board of the light source module is separated by a plurality of regions respectively corresponding to the heat conducting portions of the heat sinks, and are respectively disposed in the respective regions. A plurality of LED elements. The lighting device of claim 1, wherein the circuit board of the light source module is provided with a plurality of perforations respectively corresponding to the LED elements, and the heat conducting portions of the heat dissipating fins are convexly provided with a plurality of And the protruding rods are respectively inserted into the perforations of the circuit board, and then coated with the heat conducting medium of the thermal conductive paste between the end portions of the protruding rods and the LED elements. The illumination device of claim 1, wherein a light collecting cover is disposed on a peripheral side of the circuit board of the light source module, and a light cover for the convex lens is disposed on the light collecting cover, the body is One end is provided with a fixing ring for fixing the concentrating cover and the lamp cover. The lighting device according to the first aspect of the patent application, further comprising a driving module, wherein the driving module is provided with a driving circuit unit for the circuit board, the driving circuit unit is disposed in the body, and the driving The input end of the circuit unit is electrically connected to a power connector disposed at the other end of the body, and the output end is electrically connected to the circuit substrate of the light source module. The illuminating device of claim 9, wherein the input end of the driving circuit unit of the driving module is electrically connected to the power connector by two wires, and the output end of the driving circuit unit is provided with a socket, the light source The circuit board of the module is provided with a plug for interposing with the socket, so that the circuit substrate of the light source module is electrically connected to the driving circuit unit of the driving module.