TWI381129B - Led lamp - Google Patents

Description

Light-emitting diode lamp

The invention relates to a lighting device, in particular to a light-emitting diode lamp.

Compared with the traditional light source, the light-emitting diode has the advantages of light weight, small volume, low pollution and long life. As a new type of light source, it has been more and more applied to various fields, such as street lamps. Traffic lights, signal lights, spotlights and decorative lights, etc.

In some professional applications, such as indoor and outdoor lighting equipment, the LED module generates a large amount of heat during operation. If the heat cannot be dissipated in time, it will easily cause the LED to overheat and reduce its luminous efficiency. Even if it burned directly, it could not continue working. Conventional light-emitting diode lamps often dissipate heat-emitting diode modules by providing a heat sink in fixed contact with the light-emitting diode module in the lighting device. However, such a heat sink is usually fixedly mounted on the light-emitting diode lamp by means of a lock screw. When the heat sink needs to be replaced, or the light-emitting diode module and the heat sink are integrally replaced, the professional tool needs to be disassembled and installed. Radiator, the replacement process is more complicated.

A light-emitting diode lamp includes a body, a heat sink, a plurality of light-emitting diode modules attached to the heat sink, and a plurality of fasteners for fixing the heat sink, the heat sink including a substrate and a bottom surface of the substrate a plurality of heat dissipating fins extending downwardly, the body having a partition, the substrate of the heat sink being clamped on the partition plate and the heat radiating fins passing downward through the partition plate, the buckle fixing the heat dissipation across the heat sink substrate The device is fixed on the seat body, and the middle portion of the buckle is pressed against On the substrate.

Compared with the prior art, the light-emitting diode lamp of the present invention fixes the heat sink and the seat body through a plurality of buckles, and the heat sink only needs to be manually operated, and the related tools are not needed. It is easy to install and disassemble, which simplifies the replacement process and improves work efficiency.

Referring to FIG. 1 to FIG. 2 , a light-emitting diode lamp according to a preferred embodiment of the present invention includes a body 10 , a heat sink 20 disposed on the base 10 , and a surface attached to the heat sink 20 . The plurality of light-emitting diode modules 30, the two fasteners 40 for fixing the heat sink 20 to the base 10, the light guide cover 50 covering the light-emitting diode module 30, and the cover A light cover 60 on the body 10 covers the light-emitting diode module 30 and the light guide cover 50 in the base 10.

Referring to FIG. 3 together, the base 10 has a rectangular parallelepiped shape, and includes a frame 12 which is connected end to end by four upright plates (not shown) and extends inwardly from the inner side of the frame 12 and the frame is extended. The interior is divided into one of the upper and lower portions (not shown). The partition 14 is located at an inner portion of the inner side of the frame 12 and perpendicular to each of the frames of the frame 12. The center of the partition 14 is vertically downwardly recessed to form a rectangular carrying portion 142 (shown in FIG. 2) for placing the heat sink 20. A bottom surface (not shown) of the carrying portion 142 is opened through the partition plate 14 for the heat sink 20 to pass through a rectangular opening 144. Two engaging holes 146 are respectively defined in the two ends of the baffle 14 on the side of the baffle 14 to be fixedly mounted on the baffle 14 by screws (not shown); Four matching holes 146 are respectively defined at two ends of the other side of the carrying portion 142 to cooperate with the screws to respectively respectively fix the four card members 100 It is fixedly mounted on the partition plate 14. The matching holes 146 are juxtaposed in parallel, and a plurality of six matching holes 146 at the same end of the carrying portion 142 are fixed and the three card members 100 are fixed thereon to mount a buckle 40.

The heat sink 20 may be integrally formed of a metal material such as aluminum or copper having good thermal conductivity, and includes a rectangular substrate 22 and a plurality of heat dissipation fins 24 extending vertically downward from the bottom surface of the substrate 22. The substrate 22 is identical in shape to the carrier 10 of the base 10 such that the substrate 22 is disposed in the carrier 142, and when the periphery of the substrate 22 is placed on the carrier 142 of the base 10 The top surface of the substrate 22 is flush with or slightly above the top surface of the carrying portion 142, and the heat dissipating fins 24 protrude downwardly through the carrying portion 142 of the carrying portion 142 to the underside of the carrying portion 142. The heat dissipating fins 24 are arranged in parallel with each other at a middle portion of the bottom surface of the substrate 22. The heat dissipating fins 24 form a plurality of longitudinal channels (not labeled) parallel to the extending direction of the heat dissipating fins 24 and vertically cut the heat dissipating fins. 24 multiple transverse flow paths (not shown). The heat dissipation fins 24 have a shape corresponding to the outer shape of the opening 144 of the base 10 so that the heat dissipation fins 24 can pass through the opening 144. A plurality of screw holes 220 are defined in the top surface of the substrate 22 to mount the LED module 30 and the light guide cover 50 in cooperation with a plurality of fixing members (not shown).

The light-emitting diode module 30 includes a plurality of vertically long rectangular circuit boards 32 and a plurality of light-emitting diodes 34 uniformly mounted on each of the circuit boards 32. The circuit boards 32 are attached to the top surface of the substrate 22 of the heat sink 20. The light-emitting diodes 34 are arranged in a line along the length of the circuit board 32 to conduct their heat uniformly to the heat sink 20.

The buckle 40 is continuously bent by an elastic metal wire body, and includes a flat holding portion 42. The two extending from the two ends of the holding portion 42 are parallel to each other. The clamping portion 44 and the two insertion portions 46 extending outward from the free ends (not shown) of the two clamping portions 44 are symmetrically inclined outward. There are two connecting segments 420 between the latching portion 42 and the two clamping portions 44. The two connecting segments 420 extend obliquely inwardly from opposite ends of the latching portion 42. Each of the clamping portions 44 includes two flat pressing sections 442 and two n-shaped holding sections 444 which are alternately arranged. The pressing section 442 and the holding portion 42 are perpendicular to each other. The plane of the holding section 444 is perpendicular to the plane of the holding portion 42 and the pressing section 442. The insertion portion 46 is substantially L-shaped, and the free end (not labeled) of the grip portion 444 of the clamping portion 44 extends horizontally. Each of the insertion portions 46 includes an inclined portion 462 which is obliquely extended outwardly from the holding portion 444 and an outwardly extending portion 464 which is bent outwardly from the inclined portion 462. The two insertion portions 46 are flush with the holding portion 42 and the pressing portion 442 of the clamping portion 44. The two insertion sections 464 are parallel to the holding portion 42. The latching portion 42 of the clip 40 is correspondingly disposed in a latching member 100 mounted on the side of the receiving portion 142 of the base 10. The two inserting portions 464 of the latching portion 40 are respectively placed in the latching portion 464. Installed in the two card members 100 on the other side of the carrying portion 142. The two pressing sections 442 of the clamping portion 44 are correspondingly pressed against the top surface of the substrate 22 of the heat sink 20. The inclined section 462 of the insertion portion 46 collectively presses the top surface of the substrate 22 and the top surface of the partition 14 of the base 10.

The light guide cover 50 is a bent metal sheet body, and is disposed on the light emitting diode module 30, and includes a longitudinal light guide plate 52 and a plurality of light guide holes uniformly distributed on the light guide plate 52. 54. The number of the light guiding holes 54 on the light guiding plate 52 is the same as the number of the light emitting diodes 34 of the LED module 30. Each of the light emitting diodes 34 passes through a light guiding hole 54 to change the light emitting direction. The opposite sides of the light guide plate 52 are formed with a substrate pressed against the heat sink 20 a mounting edge (not labeled) on the top surface of the mounting surface (not labeled), the mounting flange is provided with a plurality of through holes 520 for a plurality of fixing members (not shown) such as screws to be respectively passed through and screwed into the middle portion of the substrate 22 of the heat sink 20 The plurality of screw holes 220 are inside, thereby fixing the light guide cover 50.

The lamp cover 60 is made of a transparent material such as plexiglass, resin or the like, and is a rectangular plate body which conforms in shape to the frame 12 of the base 10. The periphery of the lamp cover 60 is symmetrically opened with a plurality of through holes 62 through which a plurality of fixing members (not shown) are respectively passed and engaged with the top end of the frame 12 to fix and fix the lamp cover 60.

The card member 100 is integrally bent by a metal sheet body, and an inner portion thereof forms an arched receiving portion (not shown) to sandwich the clip 40. Both ends of the card member are flat sheets which can be pressed against the top surface of the partition plate 14 of the base body 10. A through hole 102 is defined in each of the two ends of the card member for the two screws to pass through and screw into the corresponding two matching holes 146 of the partition plate 14 of the base body 10 to fix the card member 100.

Referring to FIG. 4, when assembling the above-mentioned light-emitting diode lamp, the heat sink 20 to which the light-emitting diode module 30 is attached is placed on the bearing portion 142 of the base body 10, and the heat sink 20 dissipates heat. The fins 24 are correspondingly disposed through the port 144 of the carrying portion 142; the light guide cover 50 is correspondingly mounted on the substrate 22 of the heat sink 20 and the light emitting diode module 30 is covered; At the two ends of the substrate 22, the two latching members 100 respectively sandwich the latching portions 42 of the two latching members 40. The four latching members 100 respectively sandwich the four inserting segments 464 of the two latching members 40, and the twelve screws respectively pass through the six latching members. The twelve through holes 102 of the card member 100 are screwed into the corresponding screw holes 146 of the base body 10, so that the two buckles 40 are fixed to the partition plate 14 of the base body 10 and respectively span the base plate 22 of the heat sink 20. Two relative The heat sink 20 is fixed on the base 10; the cover 60 is placed on the frame 12 of the base 10 and the light-emitting diode module 30 and the light guide 50 are covered. When the heat sink 20 is removed, the two clamping portions 44 of the fastener 40 are directly clamped by the fingers, so that the two clamping portions 44 are opposite to each other and the two insertion portions 462 of the fastener 40 are moved toward each other until the corresponding ones are moved. The latching portion 42 of the latching member 40 is detached from the accommodating portion. At this time, the latching portion 42 of the latching member 40 is fixedly locked to the partitioning plate 14. After the latching member 40 is pivoted and opened, The heat sink 20 equipped with the light-emitting diode module 30 can be directly taken out. When the heat sink 20 is installed again, it is only necessary to operate the above process in reverse.

The heat sink 20 of the light-emitting diode lamp of the present invention is disposed on the base 10 , the light-emitting diode module 30 is attached to the heat sink 20 , and the second buckle 40 is used to mount the heat sink 20 and the base body 10 phase fixed installation, disassembly and installation of the radiator 20 only need to manually operate the buckle, without the use of relevant tools, easy to install and disassemble, thus simplifying the replacement process and improving work efficiency.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be covered by the following claims.

10‧‧‧ body

12‧‧‧Frame

14‧‧‧Baffle

142‧‧‧Loading Department

144‧‧‧ mouth

146‧‧‧With holes

20‧‧‧ radiator

22‧‧‧Substrate

220‧‧‧ screw hole

24‧‧‧ Heat sink fins

30‧‧‧Lighting diode module

32‧‧‧ boards

34‧‧‧Lighting diode

40‧‧‧ buckle

42‧‧‧Cars Department

420‧‧‧ Connection section

44‧‧‧Clamping Department

442‧‧‧Suppressed paragraph

444‧‧‧Control section

46‧‧‧Insert Department

462‧‧‧Sloping section

464‧‧‧Insert paragraph

50‧‧‧Light guide

52‧‧‧Light guide plate

520‧‧‧through hole

54‧‧‧Light guide hole

60‧‧‧shade

62‧‧‧through hole

100‧‧‧ card

1 is a perspective assembled view of a preferred embodiment of the present invention.

2 is an exploded perspective view of FIG. 1.

Figure 3 is an inverted perspective exploded view of Figure 1.

FIG. 4 is a perspective assembled view of the light-emitting diode lamp of FIG. 1 with the lamp cover removed.

10‧‧‧ body

12‧‧‧Frame

14‧‧‧Baffle

142‧‧‧Loading Department

144‧‧‧ mouth

146‧‧‧With holes

20‧‧‧ radiator

22‧‧‧Substrate

220‧‧‧ screw hole

24‧‧‧ Heat sink fins

30‧‧‧Lighting diode module

32‧‧‧ boards

34‧‧‧Lighting diode

40‧‧‧ buckle

42‧‧‧Cars Department

420‧‧‧ Connection section

44‧‧‧Clamping Department

442‧‧‧Suppressed paragraph

444‧‧‧Control section

46‧‧‧Insert Department

462‧‧‧Sloping section

464‧‧‧Insert paragraph

50‧‧‧Light guide

52‧‧‧Light guide plate

520‧‧‧through hole

54‧‧‧Light guide hole

60‧‧‧shade

62‧‧‧through hole

100‧‧‧ card

Claims (8)

A light-emitting diode lamp includes a body, a heat sink, a plurality of light-emitting diode modules attached to the heat sink, and a plurality of fasteners for fixing the heat sink, the heat sink including a substrate and a bottom surface of the substrate The lower extension of the plurality of heat dissipation fins is improved in that: the base has a partition, the substrate of the heat sink is clamped on the partition and the heat dissipation fins pass down through the partition, and the buckle spans the heat sink The substrate is fixed on the base body, and the middle portion of the buckle is pressed against the substrate. The buckle is fixedly connected to the partition at one end, and the other end of the buckle is connected to the partition by elastic deformation. The utility model is characterized in that the elastic metal wire body is continuously bent, and comprises a clamping portion pivotally fixed to the partition plate, and two clamping portions respectively extending from the two ends of the clamping portion and pressing against the substrate And a second insertion portion extending outwardly from the free ends of the two clamping portions and movably connected to the partition. The light-emitting diode lamp of claim 1, wherein the bottom of the partition is recessed downwardly to form a bearing portion, and the bottom surface of the partition portion is open through a through-port of the partition for the heat-dissipating fin to pass through, The periphery of the heat sink substrate is stuck on the carrying portion. The illuminating diode lamp of claim 2, wherein the top surface of the substrate is flush with the top surface of the carrier portion of the housing or slightly higher than the top surface of the carrier portion of the housing. The light-emitting diode lamp of claim 1, wherein a first card member and two second card members are mounted on the spacer and are respectively located on opposite sides of the substrate, and the card members are all The metal piece is bent, and the two ends are connected to the partition plate, and the middle portion is arched to form a receiving portion for pivotally connecting the locking portion of the buckle, and the insertion portion of the buckle is inserted. The illuminating diode lamp of claim 1, wherein the two clamping portions of the fastening device are parallel to each other and perpendicular to the clamping portion, and the two insertion portions of the fastening device are symmetrically inclined by the two clamping portions respectively. Extend outwards. The illuminating diode lamp of claim 5, wherein the clamping portion comprises two pressing segments alternately set up and two holding segments of the connecting pressing segment, the insertion portion being free from the free end of the clamping portion Extending out, comprising extending from the free end of the gripping section to an outwardly inclined section and extending outwardly from the inclined section to form an insertion section, the insertion section being inserted into the second card component Set up. The illuminating diode lamp of claim 6, wherein the two insertion portions are in the same plane as the clamping portion and the pressing portion of the clamping portion, and the plane is perpendicular to a plane of the holding portion. The light-emitting diode lamp of claim 6, wherein the pressing portion of the clamping portion is pressed onto the heat sink substrate, and the insertion portion is pressed together on the heat sink substrate and the spacer plate. on.