TWI437183B - A light panel and a light emitting diode lighting device having the lamp panel - Google Patents

Description

Light panel and light emitting diode lighting device having the same

The invention relates to a lighting device, in particular to a light-emitting diode lighting device which uses a light-emitting diode as a light source and the heat energy generated by the light-emitting diode is transmitted to the lamp panel to provide a good heat-dissipating effect.

A light emitting diode (LED) is a semiconductor component that has the advantages of high brightness, power saving, environmental protection, etc. In recent years, it has gradually replaced conventional light sources and is widely used in various lighting devices.

As shown in FIG. 7 , a light-emitting diode lighting device of the prior art is mainly provided with a plurality of light tubes 40 spaced apart from a light panel 30 , the light tube 40 having a light transmissive cover 41 and the transparent A heat dissipation plate 42 is connected to the reticle 41. A circuit board is disposed on the inner space formed by the transparent cover 41 and the heat dissipation plate 42. The circuit board is provided with a plurality of light-emitting diodes, and the circuit board and the heat dissipation plate 42 are adhered to each other. Contact, whereby the light produced by the light-emitting diode can be illuminated through the transparent cover 41, and the heat generated by the light-emitting diode can be eliminated via the heat sink 42.

However, the above-mentioned light-emitting diode lighting device has the following disadvantages in practical use: since the heat dissipation efficiency provided by the heat dissipation plate 42 is related to the size of the area thereof, and the heat dissipation plate 42 provided in the lamp tube 40 has a limited area, heat dissipation is performed. The effect cannot be improved, and the thermal energy generated by the light-emitting diode cannot be fully eliminated. The luminous performance of the overheated LED will be reduced and the service life will be degraded. Therefore, how to improve the heat dissipation efficiency and enable the LED to be at an appropriate temperature. Stable illuminating, it needs to be improved.

In view of the foregoing shortcomings of the prior art, the object of the present invention is to provide a lamp panel and a lighting diode lighting device having the same, wherein the lamp plate is designed with a heat conducting plate to be in contact with the circuit board of the lamp tube. The heat generated by the light-emitting diode can be removed through the lamp panel, thereby improving the heat dissipation efficiency.

In order to achieve the foregoing object, the lamp panel of the present invention is made of a heat conductive material, the lamp panel has a bottom plate, and the two ends of the bottom plate are connected with two end plates, and the inner side surfaces of the two end plates are opposite to each other. There are at least one corresponding two sockets, and at least one heat conducting plate is coupled to the bottom plate of the lamp panel and located between the corresponding two sockets.

The lamp panel, wherein the bottom plate and the corresponding two sockets protrude from a plurality of fixing seats, the fixing seats are arranged in a row along a direction parallel to the side edges of the bottom plate, and a spring is respectively arranged at each fixing seat One end of the spring is fixed in the fixing seat, and the other end of the spring is abutted against the corresponding heat conducting plate.

The lamp panel, wherein the heat conducting plate has a flat plate and two ends of the flat plate are respectively bent twice to form a supporting plate and a positioning plate, respectively, and on the plate body of the bottom plate and adjacent to the corresponding two Two positioning holes are formed in the socket, and the two positioning holes are located at two ends of the fixing seats arranged in a row. The heat conducting plate is coupled to the bottom plate by the positioning plates at both ends thereof from the surface of the bottom plate to the two positioning holes.

A light-emitting diode lighting device having a lamp panel and at least one lamp tube, the lamp tube being disposed corresponding to the heat-conducting plate, the lamp tube having a lamp cover, a circuit board and two electrical connectors, the lamp cover For a hollow tubular body, an opening is formed on one side of the tube wall, and the circuit board is disposed at the opening of the lampshade, and the circuit board is provided with a plurality of light emitting diodes facing the inner surface of the lampshade, and the two electrical joints respectively cover The lamp tube is disposed at two ends of the lamp cover and the circuit board, and the lamp tube is coupled to the corresponding two sockets disposed on the lamp panel by the electrical connector, and the circuit board and the heat conducting plate are in contact with each other.

The illuminating diode illuminating device, wherein the inner wall surface of the lamp cover and the two sides of the adjacent opening are formed with two opposite accommodating grooves, and the circuit board is correspondingly embedded in the accommodating groove.

The lamp panel and the LED device having the same have the advantages and enhancements that can be obtained at least include: the circuit board of the lamp tube and the heat conduction plate provided by the lamp panel are in contact with each other to make the light-emitting two The heat energy generated by the polar body can be transmitted to the lamp panel, and the heat energy can be effectively removed through the large-area lamp panel, so that the light-emitting diode can be surely maintained at an appropriate temperature, thereby providing stable luminous efficacy of the light-emitting diode. With the service life.

Referring to FIG. 1 to FIG. 3, the LED lighting device of the present invention comprises a lamp panel 10 and at least one lamp tube 20, wherein the lamp panel 10 is made of a heat conductive material and has a bottom plate. The two ends of the bottom plate 11 are connected with two end plates 12, and the two sides of the bottom plate 11 are connected with two side plates 13. The opposite inner side surfaces of the two end plates 12 are provided with at least one corresponding two sockets 14. A plurality of fixing bases 111 are protruded from the surface of the bottom plate 11 and located between the corresponding two sockets 14. The fixing bases 111 are arranged in a row along the direction parallel to the side edges of the bottom plate 11 at the fixing bases 111. The spring 15 is respectively disposed in the fixing base 111. The other end of the spring 15 is provided with a heat conducting plate 16 having a flat plate 161 and the two ends of the flat plate 161 are bent twice. A support plate 162 and a positioning plate 163 are formed in sequence, and two positioning holes 112 are formed in the plate body of the bottom plate 11 and adjacent to the corresponding two sockets 14. The two positioning holes 112 are fixed in a row. At both ends of the seat 111, the heat conducting plate 16 is flanked by the positioning plate 163 at both ends thereof from the bottom plate 11 After the two positioning holes 112 are combined with the bottom plate 11, the flat plate 161 of the heat conducting plate 16 is resisted by the other end of the spring 15. The number of the light pipes 20 is corresponding to the number of the heat conducting plates 16, please refer to FIG. The lamp tube 20 has a lamp cover 21, a circuit board 22 and two electrical connectors 23. The lamp cover 21 is a hollow tube body, and an opening 211 is formed on one side of the tube wall to make the lamp cover 21 The two sides of the opening 211 are formed on the inner wall surface of the lamp cover 21 and are formed with two opposite receiving slots 212. The circuit board 22 is correspondingly embedded in the receiving slot 212. The circuit board 22 is provided with a plurality of light-emitting diodes 221 facing the inner surface of the lamp cover 21, and the two electrical connectors 23 are respectively disposed at two ends of the lamp cover 21 and the circuit board 22. Each of the electrical connectors 23 is provided with two conductive terminals 231. The conductive terminal 231 is electrically connected to the circuit of the circuit board 22, and the conductive tube 231 of the electrical connector 23 is coupled to the corresponding socket 141 of the two sockets 14 of the lamp housing 10, and the circuit The plate 22 and the flat plate 161 of the heat conducting plate 16 are in contact with each other.

The step of installing the lamp tube 20 on the lamp panel 10 in the present invention is the same as that in the prior art. Referring to FIG. 5, after the conductive terminal 231 of the lamp tube 20 is correspondingly inserted into the slot 141 of the socket 14, please refer to FIG. 3 and As shown in FIG. 6, when the lamp tube 20 is rotated by 90 degrees, the conductive terminal 231 can be in contact with the conductive sheet provided inside the socket 14, and the lamp tube 20 is positioned on the lamp panel 10.

When the operation lamp tube 20 is inserted into the socket 14, the lamp tube 20 is first pressed against the flat plate 161 of the heat conducting plate 16 by the outer wall surface of the lamp cover 21, so that the spring 15 is compressed to store the elastic force, and the lamp tube 20 is rotated to make the circuit board. 22 corresponds to the flat plate 161 of the heat conducting plate 16, the spring 15 is provided with a restoring elastic force to push against the flat plate 161 of the heat conducting plate 16, so that the flat plate 161 of the heat conducting plate 16 is surely adhered to the circuit board 22, whereby the light emitting diode The heat energy generated when the light is emitted by the 221 can be transmitted to the bottom plate 11 of the lamp panel 10 via the heat conducting plate 16, and the heat lamp can be effectively removed by using the lamp panel 10 having a large area, thereby achieving the purpose of improving heat dissipation efficiency.

10. . . Light panel

11. . . Bottom plate

111. . . Fixed seat

112. . . Positioning hole

12. . . End plate

13. . . Side panel

14. . . socket

141. . . Slot

15. . . spring

16. . . Thermal plate

161. . . flat

162. . . Support plate

163. . . Positioning plate

20. . . Lamp

twenty one. . . lampshade

211. . . Opening

212. . . Locating slot

twenty two. . . Circuit board

221. . . Light-emitting diode

twenty three. . . Electrical connector

231. . . Conductive terminal

30. . . Light panel

40. . . Lamp

41. . . Transmissive cover

42. . . Radiating plate

Figure 1 is a perspective view of the present invention.

Figure 2 is a partial exploded view of the present invention.

Figure 3 is a partial cross-sectional view of the present invention.

Figure 4 is an exploded view of the lamp tube of the present invention.

5 and 6 are views showing the operation of the lamp tube of the present invention mounted on a lamp panel.

Figure 7 is a perspective view of the prior art.

10. . . Light panel

11. . . Bottom plate

111. . . Fixed seat

112. . . Positioning hole

12. . . End plate

13. . . Side panel

14. . . socket

141. . . Slot

20. . . Lamp

twenty one. . . lampshade

twenty three. . . Electrical connector

Claims (4)

A lamp panel is made of a heat conductive material, the lamp panel has a bottom plate, and two end plates are connected to the two ends of the bottom plate, and at least one corresponding two sockets are disposed on opposite inner sides of the two end plates, at least one The heat conducting plate is coupled to the bottom plate of the lamp panel and located between the corresponding two sockets, wherein the bottom plate and the corresponding two sockets protrude with a plurality of fixing seats arranged in a direction parallel to the side edges of the bottom plate In one row, a spring is respectively arranged at each fixing seat, and one end of the spring is fixed in the fixing seat, and the other end of the spring is abutted against the corresponding heat conducting plate. The lamp panel of claim 1, wherein the heat conducting plate has a flat plate and two ends of the flat plate are respectively bent twice to form a supporting plate and a positioning plate, and the plate body of the bottom plate. Two positioning holes are formed in the upper and adjacent two sockets, and the two positioning holes are located at two ends of the fixing seats arranged in a row, and the heat conducting plate penetrates the two positioning holes from the surface of the bottom plate by the positioning plates at both ends thereof Combined with the bottom plate. A light-emitting diode lighting device having a lamp panel as claimed in claim 1 or 2 and at least one lamp tube, the lamp tube being disposed corresponding to the heat-conducting plate, the lamp tube having a lamp cover and a circuit The plate and the two electrical connectors are a hollow tube body, and an opening is formed on one side of the tube wall, the circuit board is disposed at the opening of the lamp cover, and the circuit board is provided with a plurality of light emitting diodes toward the inner surface of the lamp cover The two electrical connectors are respectively disposed at two ends of the lamp cover and the circuit board, and the lamp tube is electrically connected to the corresponding two sockets of the lamp panel, and the circuit board and the heat conducting plate are in contact with each other. . The illuminating diode illuminating device of claim 3, wherein the inner wall surface of the lampshade and the two sides of the adjacent opening are formed with two opposite accommodating grooves, and the circuit board is embedded with the two sides thereof. It is accommodated in the slot.