TWI426202B - Optical lighting module - Google Patents

Description

Optical lighting module

The present invention relates to an optical lighting module, and more particularly to an innovative technology that provides a user with the ability to connect a plurality of optical lighting modules in series and has a parallel mode in electrical characteristics.

The prior art disclosed in connection with the present invention, such as TW I244776 "Lighting Device", discloses a plurality of LEDs having a light-emitting diode base, a metal heat sink and at least one light-emitting diode light-emitting unit. The body module, wherein each of the light emitting diodes has a plurality of electrical connecting ends; the light emitting diode base carries the at least one light emitting diode light emitting unit, and the light emitting diode base surface is provided a plurality of electrical contacts electrically connected to the electrical connecting ends; the metal heat dissipating plate is connected to the light emitting diode base for removing thermal energy generated by the at least one light emitting diode light emitting unit; The positioning unit includes: a positioning plate having a plurality of through holes, the through holes penetrating the positioning unit and accommodating the LED module; and a heat dissipating unit connected to the LEDs Each of the metal heat sinks of the module is in contact with the heat energy of the metal heat sinks. The positioning unit further includes a printed circuit board having a circuit pattern, and the printed circuit board is sandwiched between the positioning board and the heat dissipation unit, and the light emitting diode modules are received in the through holes. The circuit pattern is electrically connected to the electrical contacts located on the base of the light emitting diodes.

The above-mentioned light-emitting diode module is generally used as a general structure of a light-emitting element, that is, a plurality of light-emitting diode modules are first connected to a printed circuit board, and then the printed circuit board is end-contacted to the metal. The opposite end faces of the heat sink are used to indirectly conduct the heat energy generated by the light emitting diodes.

However, the above-mentioned structural disadvantages are: the printed circuit board and the metal heat sink which are connected by the light-emitting diode are independent individuals made of two different materials, and must be separately manufactured and processed separately, so the manufacturing and processing procedures are complicated and time-consuming, and the whole is The disadvantage of heavy weight after combination.

In addition, the light-emitting diode indirectly transmits the heat generated by the light-emitting diode to the metal heat-dissipating plate through the printed circuit board, and there is still a need for improvement in heat conduction and heat dissipation performance.

The plurality of light-emitting diodes disposed on the printed circuit board are not integrated by a single optical lens. Therefore, the light beams generated by the respective light-emitting diodes are independently irradiated with each other, and the light distribution region is uneven.

In view of the above disadvantages, the invention technology of the present invention is mainly directed to an improved design of an optical lighting module. After completing the technology of the present invention, a new patent application of the present invention is further proposed.

The main object of the present invention is to provide an optical lighting module having the following features:

1. The metal substrate used in the present invention is a plate body having a high heat dissipation function, and a printed circuit layer and a plurality of light emitting diodes are disposed on a front surface thereof, and the plurality of light emitting diodes are covered by an optical lens to perform beam integration and dispersion. Conducive to uniform illumination on the object.

2. The optical lens of the optical illumination module is exposed at one end, and an inner water stop ring is arranged at a predetermined position of the lamp cover for providing the optical lens, so that the optical lens and the lamp cover have a water stopping function.

3. A metal substrate with high thermal conductivity and high heat dissipation performance, the front side of which is directly provided with a printed circuit layer, and the back surface is coated with a heat-dissipating paint layer to coat the heat energy generated by each light-emitting diode through the metal substrate. And the heat-dissipating coating for rapid heat dissipation.

4. The metal substrate with high thermal conductivity and high heat dissipation function is a flat plate, and the metal substrate has no fin structure at all, and has a cost reduction function in the process.

5. The waterproof design of the metal substrate is a complete outdoor product, and the component module of the light-emitting diode that is not conventionally used.

6. The printed circuit layer of the metal substrate has a built-in parallel circuit design, and is connected with an electrical connection input member and an electrical connection output member for connecting a plurality of optical lighting modules of the present invention in series.

In order to achieve the above object, the present invention provides an optical illumination module comprising: a metal substrate, which is a metal plate body having light weight, high thermal conductivity and high heat dissipation performance, and in the preferred embodiment, an aluminum substrate is used. According to the cooperation description, a printed circuit layer is disposed on the front surface of the metal substrate, and a heat dissipation coating is disposed on the back surface; an insulating layer is disposed between the metal substrate and the printed circuit layer, and a set of power input is preset in the area where the printed circuit layer is disposed. End, a set of power output terminals and a plurality of wire connection holes, each set of power input/output terminals has a positive and negative interface to provide An electrical connection input member and an electrical connection output member are electrically connected to one end of the printed circuit layer, and the metal substrate is provided with a plurality of keyholes on the periphery of the printed circuit layer region for matching the plurality of locking components Connected to the inside of a lamp cover, the front side of the metal substrate is hidden inside the lamp cover, and the back side of the metal substrate is exposed; in the optical lighting module of the present case, the back side of the metal substrate is directly exposed outside the module, which has improved heat dissipation The effect and the substantial benefit of reducing the manufacturing cost; further, the printed circuit layer is directly fixedly bonded to the two or more complex light-emitting diodes at a predetermined location, and a power supply driving module, and the printed circuit layer is internally connected in parallel The circuit design can connect a plurality of optical lighting modules of the present invention in series.

The power supply driving module is configured to rectify and drive the plurality of light emitting diodes; the lamp cover is provided with a downwardly facing pocket for receiving the metal substrate, and the receiving slot is disposed at a center of the top surface of the open end Perforation, the perforation is provided with an inner concave ring on the outer periphery of the bottom, the inner concave ring is sleeved with an inner water stop ring, and an outer frame wall is disposed at a proper interval along the outer periphery of the top surface of the inner cavity, and a bottom frame is arranged along the bottom of the outer frame wall An outer water stop ring, the bottom of the outer water stop ring is attached to the opposite end surface of the metal substrate, and the printed circuit layer frame is enclosed therein; an optical lens is provided with a platform, and one end thereof is provided with a concave arc groove for the foregoing The plurality of light-emitting diodes are received, and the top surface of the concave arc groove is a concave concave curved surface, and a convex curved surface is disposed on the opposite outer side of the concave concave groove, and the convex curved surface can be sleeved inside the perforation of the lamp cover. And exposed outside the optical illumination module of the present invention, in addition, the water stop ring sleeve on the periphery of the bottom of the perforation can be in contact with the opposite end surface of the platform top; the optical lens mainly provides the front complex LED housing for beam dispersion effect In order to facilitate uniform illumination on the object; the optical component is directly combined on the metal substrate by the above-mentioned component composition, and the metal substrate is directly used by the appearance of the optical illumination module, thereby making the overall module light in weight and good in heat dissipation. The light-emitting diode of the plurality of light-emitting diodes is integrated by a single optical lens, and has a waterproof function, and can be applied to an optical lighting module for outdoor use.

Furthermore, the optical lighting module of the present invention further comprises: arranging a back plate outside the bottom of the metal substrate, the back plate can support the metal substrate, and the locking member is coupled to the lamp cover.

In the following, the drawings of the preferred embodiments of the present invention will be further described in the following, in order to enable those skilled in the relevant art of the present invention to implement the statements according to the present specification: First, please refer to the first to 5 is an optical lighting module of the present invention, comprising: a metal substrate 10, a plurality of light emitting diodes 20, a power supply driving module 30, a lamp cover 40, an optical lens 50 and a back plate 60. The metal substrate 10 is a metal plate body having light weight, high heat conductivity and high heat dissipation performance. The metal substrate 10 is provided with an aluminum substrate. The metal substrate 10 is directly provided with a printed circuit layer 11 on the front surface. The printed circuit layer 11 is provided with an insulating layer (not shown) bonded to the end surface of the metal substrate 10, and the metal substrate 10 is provided with a plurality of wire connecting holes 12 at predetermined places in the area where the printed circuit layer 11 is disposed. The connecting hole 12 mainly provides a socket connection corresponding to the at least one electrical connection input member 131 and an electrical connection output member 132 for electrically connecting with the positive and negative interface circuits of the printed circuit layer 11, the foregoing The sexual connection input member 131 and the electrical connection output member 132 each include a positive and negative power supply connection line 13 for circuit layout, and the plurality of optical illumination modules are connected in series; wherein the electrical connection The connection input member 131 and the electrical connection output member 132 can be replaced by any of the conventional materials that can produce equivalent components, wires or a terminal block, or a two terminal block.

In addition, a plurality of keyholes 14 are disposed on the front surface of the printed circuit layer 11 on the front surface of the metal substrate 10 for locking the inside of a lamp cover 40 with the plurality of locking components 70. The printed circuit layer 11 has a built-in parallel circuit design for serially connecting the multiple array optical illumination modules. Further, the first electrical connection input member 131 and the electrical connection output member 132 are connected to the metal substrate 10 to form a double hole water stop plug 15 . The metal substrate 10 is disposed on the other opposite end surface of the printed circuit layer 11, that is, the back surface of the metal substrate 10 is provided with a heat dissipation coating 16 which is coated with a paint having high heat dissipation performance.

At least two or more LEDs 20 are fixedly disposed in a predetermined position on the printed circuit layer 11 in a series connection manner; the power generation of the plurality of LEDs 20 is set in a range of 2 W (Watts) to 5 W (Watts). A power supply driving module 30 is fixed in the printed circuit layer 11 region, and is connected to the circuit of the printed circuit layer 11 to rectify and drive the light emitting diode 20, and the power supply driving module 30 is internally provided. A fuse (not shown) is provided to provide an automatic power-off function when the current is abnormal, so as to greatly improve the safety of the product; a lamp cover 40 is provided with an opening/outward opening 41 for the metal substrate The receiving portion 41 is provided with a through hole 42 at the center of the top surface of the open end. The through hole 42 is provided with a concave ring 43 at the periphery of the bottom portion. The inner concave ring 43 is sleeved with an inner water stop ring 44. The lamp cover 40 An outer frame wall 45 is disposed at a distance from the periphery of the top surface of the cavity 41, and an outer water stop ring 46 is disposed along the bottom of the outer frame wall 45. The bottom of the outer water stop ring 46 is attached to the opposite end surface of the metal substrate 10. This is the front side of the metal substrate 10, and the printed circuit layer 11 can be framed; Furthermore, the lamp cover 40 is provided with a plurality of connecting holes 47 at the periphery of the top outer frame wall 45 of the receiving slot 41. The connecting holes 47 are opposite to the plurality of locking holes 14 of the metal substrate 10; an optical lens 50 is provided with a The platform 51 has a bottom portion that can be attached to the printed circuit layer 11 of the metal substrate 10. The bottom of the platform 51 is provided with a concave arc groove 52 for receiving the plurality of light-emitting diodes 20 at the same time. The top surface is a concave concave curved surface, and a convex curved surface 53 is disposed on the opposite outer side of the inner concave arc groove 52. The convex curved surface 53 can be sleeved inside the through hole 42 of the lamp cover 40, which is a light emitting surface. After the curved surface 53 is sleeved on the perforation 42 , the water stop ring 44 disposed on the outer periphery of the bottom of the through hole 42 can abut the opposite end surface of the top surface of the platform 51; a back plate 60 can be supported from the bottom of the metal substrate 10, the back The plate 60 is provided with a plurality of through holes 61 on both sides thereof for engaging with the plurality of keyholes 14 of the metal substrate 10 for engaging the plurality of locking elements 70 to the predetermined connecting holes 47 of the lamp cover 40; Two elongated holes 62 are provided at corresponding positions of the plurality of wire connecting holes 12 in the metal substrate 10 to provide separate sleeves A double-hole water stop plug 15 is disposed at one end of the electrical connection input member 131 and an electrical connection output member 132. The back plate 60 is coupled to the plurality of locking elements 70 on the bottom side. The fixing base 63 has a groove 631 defined in each of the end faces of the corresponding power supply holder 63 at the bottom of the corresponding back plate 60. Each of the grooves 631 can be electrically connected to the input member 131 or an electrical connection output member 132. The container is configured by the above-mentioned components, and the water stop ring 44 and the outer water stop ring 46 disposed at predetermined places inside the optical lighting module can be utilized to constitute a waterproof function of the foreign household, and more achievable The substance of the above purpose.

In the above, it is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the equivalent variations and modifications made by the scope of the present invention are the scope of the present invention. Covered.

10. . . Metal substrate

11. . . Printed circuit layer

12. . . Wire connection hole

131. . . Electrical connection input

132. . . Electrical connection output

13. . . Power cable

14. . . keyhole

15. . . Double hole stop plug

16. . . Heat sink coating

20. . . Light-emitting diode

30. . . Power supply driver module

40. . . lampshade

41. . . Crate

42. . . perforation

43. . . Inner ring

44. . . Inner water ring

45. . . Frame wall

46. . . Outer water ring

47. . . Link hole

50. . . optical lens

51. . . platform

52. . . Concave arc groove

53. . . Convex surface

60. . . Backplane

61. . . Through hole

62. . . Long hole

63. . . Power supply holder

631. . . Trench

70. . . Locking element

First Figure: A top exploded view of a preferred embodiment of the structure of the present invention.

The second picture is a combination picture of the first picture.

Third Figure: A bottom view exploded view of a preferred embodiment of the structure of the present invention.

The fourth picture is a combination picture of the third picture.

Fig. 5 is a cross-sectional view taken along line A-A of the second figure.

10. . . Metal substrate

11. . . Printed circuit layer

12. . . Wire connection hole

13. . . Power cable

131. . . Electrical connection input

132. . . Electrical connection output

14. . . keyhole

15. . . Double hole stop plug

20. . . Light-emitting diode

30. . . Power supply driver module

40. . . lampshade

41. . . Crate

42. . . perforation

43. . . Inner ring

44. . . Inner water ring

45. . . Frame wall

46. . . Outer water ring

47. . . Link hole

50. . . optical lens

51. . . platform

52. . . Concave arc groove

53. . . Convex surface

60. . . Backplane

61. . . Through hole

62. . . Long hole

63. . . Power supply holder

631. . . Trench

70. . . Locking element

Claims (13)

An optical illumination module comprising: a high-conductivity heat-dissipating metal substrate having a printed circuit layer on a front surface thereof, the printed circuit layer being fixed with a plurality of light-emitting diodes; and a power supply driving module electrically connected to the printing a circuit layer for rectifying and driving the light-emitting diode; wherein the metal substrate is electrically connected to an electrical connection input member and a circuit electrically connected to the printed circuit layer in a region where the printed circuit layer is disposed Connecting, the electrical connection input member and the electrical connection output member each comprise a positive and negative power supply connection line; the printed circuit layer is sleeved on the outer surface of the plurality of LEDs with an optical lens, and the optical lens has a concave arc groove inside The light-emitting diode is accommodated, and a convex curved surface is disposed on the outer side, and an electrical connection input member and an electrical connection output member are coupled to the printed circuit layer for serial connection with the plurality of optical illumination modules; and the metal is A heat dissipating coating is disposed on the back surface of the substrate, and the heat dissipating coating can be directly exposed to the outside. The optical lighting module of claim 1, wherein each of the set of positive and negative power supply connecting lines and the metal substrate connecting end has a double hole water stop plug. The optical lighting module of claim 1, wherein the electrical connection input member and the electrical connection output member are any one of an electric wire, a terminal block or a two terminal block. The optical lighting module of claim 1, wherein the metal substrate is provided with a plurality of keyholes at a periphery of the printed circuit layer region, and is matched The sleeve is provided with a plurality of locking elements for locking the metal substrate inside a lamp cover; the optical lens further comprises a platform, and the concave arc groove and the convex curved surface are disposed on opposite outer end faces of the platform; the lamp cover is provided with an opening The outer cavity is received by the metal substrate. The cavity is provided with a perforation relative to the top surface of the open end. The perforation can be accommodated by the convex curved surface of the optical lens, and the bottom of the cavity is interposed with the platform of the optical lens. The water ring has an outer frame wall extending from the top surface to the bottom of the cavity, and the bottom of the outer frame wall is provided with an outer water stop ring, and the bottom of the outer water ring can be attached to the periphery of the printed circuit layer of the metal substrate. The optical lighting module of claim 4, wherein the lamp cover is provided with a concave ring on the periphery of the bottom of the perforation, and the inner concave ring is sleeved with an inner water stop ring. The optical lighting module of claim 4, further comprising: a backing plate mounted on the bottom of the metal substrate and coupled to the lamp cover by the multi-locking component; the backing plate is matched with the plurality of locks on both sides of the bottom Each of the components is connected to a power supply fixing seat, and each of the power fixing seats has a groove at an end surface corresponding to the bottom of the corresponding back plate, and each groove can be at least one electrical connection input member or an electrical connection output member. Storage. The optical lighting module of claim 6, wherein the lamp cover is provided with a plurality of connecting holes on the outer periphery of the outer frame wall of the receiving slot, and the metal substrate is provided with a plurality of locking holes and the connecting holes. The back plate is provided with a plurality of through holes, which are opposite to the locking holes of the metal substrate, so as to be coupled to the corresponding connecting holes by the plurality of locking elements. The optical lighting module of claim 1, wherein the optical The top surface of the concave arc groove in the lens is a concave concave curved surface, and the convex curved surface is a light emitting surface. The optical lighting module of claim 1, wherein the power supply driving module is internally provided with a fuse. The optical lighting module of claim 1, wherein the power generated by the plurality of light emitting diodes disposed on the printed circuit layer is between 2 W (Watts) and 5 W (Watts). The optical lighting module of claim 1, wherein the plurality of light emitting diodes disposed on the printed circuit layer are connected in series. An optical lighting module comprising: a metal substrate having a printed circuit layer on a front end surface thereof; and a plurality of light emitting diodes on the printed circuit layer; wherein the metal substrate is electrically connected to the printed circuit layer And an electrical connection output member for serial connection of the plurality of optical illumination modules, and the heat dissipation coating is disposed on the back surface of the metal substrate, the heat dissipation coating is directly exposed to the outside; and a lamp cover is disposed for the metal substrate, the lamp cover A back plate is attached to fix the metal substrate, and the lamp cover sleeve is provided with an optical lens. The inner side of the optical lens is provided with a concave arc groove for receiving the plurality of light emitting diodes, and the outer side is provided with a convex curved surface, which can be exposed outside the module. And an inner water stop ring is disposed between the lamp cover and the optical lens, and an outer water stop ring is disposed between the lamp cover and the metal substrate to provide an outdoor waterproof function. The optical lighting module of claim 12, wherein the optical lens is provided with a platform, and the bottom of the platform is provided with a concave arc groove for the light emitting diode The top surface of the concave arc groove is a concave concave curved surface, and the platform is provided with a convex curved surface opposite to the outer concave arc groove, and the convex curved surface is a light emitting surface.