TWI437182B - 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.

Referring to FIG. 11 , 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-described light-emitting diode lighting device has the following disadvantages in practical use: the heat dissipation efficiency provided by the heat dissipation plate 42 and its surface The size of the heat sink 42 is limited, so the heat dissipation effect cannot be improved, and the heat energy generated by the light-emitting diode cannot be fully eliminated. The light-emitting performance of the overheated LED is reduced and used. The life expectancy is degraded. Therefore, how to improve the heat dissipation efficiency and enable the light-emitting diode to stably emit light at an appropriate temperature 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 block 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 sides of the opposite end plates are respectively opposite At least one movable socket is disposed, and the sockets of the two end plates are corresponding to each other, and a heat conducting block protrudes between the corresponding two sockets on the surface of the bottom plate.

In the lamp panel, at least one set of two adjacent positioning holes are formed in the plate body of the end plate, and the positioning holes are elongated holes, and two gussets protrude from the two sides of the socket toward the end plate. The gusset is elastic and has a block formed at the end thereof, and the socket has two gussets correspondingly penetrating through the adjacent two positioning holes, and the block of the damper piece is located on the outer side of the end plate, and the damper piece can be Sliding in the positioning hole allows the socket to move relative to the end plate.

The lamp panel, wherein the end plate is bent away from the one end side of the bottom plate toward the inner side surface to form a positioning groove, and a protruding post protrudes from the positioning groove of the end plate toward the end plate, and a compression spring is disposed at the protruding post and the end Between the positioning grooves of the plate, one end of the compression spring is sleeved on the outer side of the protruding column, and the other end is fixed in the positioning groove of the end plate.

The lamp panel, wherein the end plate is bent away from the one end side of the bottom plate toward the inner side surface to form a positioning groove, and a torsion spring is disposed between the socket and the positioning groove of the end plate, and the torsion spring is pivotally disposed in the end plate On the side, one end of the torsion spring abuts against the groove surface of the positioning groove of the end plate, and the other end abuts against the socket.

In the lamp panel, the distance between two adjacent positioning holes of the end plate is smaller than the distance between the two abutting pieces of the socket, and the adjacent two positioning holes respectively face the outer side away from each other at an end adjacent to the bottom plate. A card hole is extended, and the abutting tab of the socket is in the card hole.

In the lamp panel, the heat conducting block is an elongated block whose longitudinal direction is parallel to the side of the bottom plate.

In the lamp panel, the heat conducting block has a convex shape and a protruding surface.

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 block, the lamp tube having a lamp cover, a circuit board and two electrical connectors, the lamp cover The hollow tube body has an opening formed on one side of the tube wall, and 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 facing the inner surface of the lamp cover, the two electrical properties The joints are respectively disposed on the two ends of the lamp cover and the circuit board. The lamp tube is electrically connected to the corresponding two sockets of the lamp panel, and the outer surface of the circuit board and the heat conducting block are in contact with each other.

The lamp panel provided by the present invention and the LED lighting device having the same have the advantages and enhancements that can be at least included: the circuit board of the lamp tube and the heat conducting block of the lamp panel are in contact with each other to make the light emitting diode The heat generated during the illuminating can be transmitted to the lamp panel, and the heat energy can be effectively removed through the large-area lamp panel, so that the illuminating diode can be surely maintained at an appropriate temperature, thereby providing the illuminating diode with stable illuminating efficiency and use. life.

10, 10A, 10B‧‧‧ light panels

11, 11B‧‧‧ bottom plate

12, 12A, 12B‧‧‧ end plates

121, 121A‧‧‧ positioning slot

122, 122B‧‧‧Positioning holes

123B‧‧‧Kakong

13‧‧‧ side panel

14, 14A, 14B‧‧‧ socket

141, 141B‧‧‧ arrival film

1411‧‧‧ card block

142, 142A‧‧ slots

143‧‧‧Bump

15, 15A, 15B‧‧‧ Heat conduction block

151‧‧‧Outstanding face

16‧‧‧Compressed spring

16A‧‧‧Torque Spring

20, 20A, 20B‧‧‧ lamps

21‧‧‧shade

211‧‧‧ openings

212‧‧‧ accommodating slots

22, 22A, 22B‧‧‧ circuit board

221‧‧‧Lighting diode

23‧‧‧Electrical connector

231, 231A, 231B‧‧‧ conductive terminals

30‧‧‧lights

40‧‧‧ lamps

41‧‧‧Transparent cover

42‧‧‧heating plate

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a first embodiment of the present invention.

Figure 2 is a partially exploded view of the first embodiment of the present invention.

Figure 3 is a partial cross-sectional view showing a first embodiment 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 first embodiment of the present invention mounted on a lamp panel.

7 and 8 are views showing the operation of the lamp tube of the second embodiment of the present invention mounted on a lamp panel.

9 and 10 are views showing the operation of the lamp tube of the third embodiment of the present invention mounted on a lamp panel.

Figure 11 is a perspective view of the prior art.

Referring to Figures 1 to 3, the LED lighting device of the present invention The lamp panel 10 is made of a heat conductive material, and has a bottom plate 11 connected to the two ends of the bottom plate 11 and the bottom plate 11 The two sides of the two ends are connected to the inner side, and the one side of the end plate 12 is bent away from the one end of the end plate 11 toward the inner side to form a positioning groove 121. The plate body of the end plate 12 is provided with at least one set of two adjacent positioning holes 122. The positioning hole 122 is an elongated hole whose longitudinal direction is a longitudinal direction. The embodiment shown in the figure is perpendicular to the bottom plate 11 At least one movable socket 14 is disposed on the inner side surface of the end plate 12. Two sides of the socket 14 protrude toward the end plate 12 with two abutting pieces 141. The abutting piece 141 has elasticity and a card is formed at an end thereof. Block 1411, the socket 14 is disposed away from the inner side of the end plate 12 with a slot 142. The socket 14 is correspondingly inserted into the two adjacent positioning holes 122 by the two abutting pieces 141. The block 1411 of the abutting piece 141 is located at the end plate. The outer side surface of the 12, the abutting piece 141 can slide in the positioning hole 122, so that the socket 14 can be longitudinal with respect to the end plate 12. The heat-dissipating block 15 is formed on the surface of the bottom plate 11 and between the corresponding two sockets 14. The heat-conducting block 15 is an elongated block with a long axis. The direction of the heat conducting block 15 is convex and has a protruding surface 151. The first embodiment of the heat conducting block 15 protrudes from the positioning groove 121 of the end plate 12 toward the end plate 12. There is a protrusion 143, a compression spring 16 is disposed between the protrusion 143 and the positioning groove 121 of the end plate 12. The compression spring 16 is sleeved on the outer side of the protrusion 143, and the other end is fixed on the positioning groove of the end plate 12. 121; The number of the lamp tubes 20 is corresponding to the number of the heat conducting blocks 15 . As shown in FIG. 4 , the lamp tube 20 has a lamp cover 21 , a circuit board 22 and two electrical connectors 23 . A hollow tube body is formed with an opening 211 in the axial direction on one side of the tube wall, so that the cross section of the lamp cover 21 is C-shaped, and two opposite sides are formed on the inner wall surface of the lamp cover 21 and adjacent to the opening 211. The accommodating slot 212, the circuit board 22 is correspondingly embedded in the accommodating slot 212, and the circuit board 22 is disposed on the inner surface of the lamp cover 21 with a plurality of illuminating diodes 221, and the two electrical connectors 23 are respectively covered. The electrical terminals 23 are provided with two conductive terminals 231. The conductive terminals 231 are electrically connected to the circuit of the circuit board 22, and the lamp 20 is electrically connected to the circuit board 22 . The conductive terminals 231 are coupled to the corresponding sockets 142 of the two sockets 14 provided in the lamp panel 10. Referring to FIG. 6, the outer surface of the circuit board 22 is in contact with the protruding surface 151 of the heat conducting block 15 in contact with each other.

Referring to FIG. 5, in the first embodiment of the present invention, when the lamp tube 20 is actually mounted on the lamp panel 10, the socket 14 is first moved toward the positioning slot 121 of the end plate 12, so that the compression spring 16 is compressed and stored with elastic force. Then, the conductive terminal 231 of the lamp tube 20 is correspondingly inserted into the slot 142 of the socket 14. Referring to FIG. 6, the lamp tube 20 is further rotated by 90 degrees so that the conductive terminal 231 can be in contact with the conductive sheet disposed inside the socket 14. The lamp tube 20 can be positioned on the socket 14 , and the circuit board 22 corresponds to the heat conducting block 15 . The compression spring 16 is provided with a resilient force to push against the socket 14 and drives the lamp tube 20 toward the bottom plate 11 of the lamp panel 10 . Further, the circuit board 22 can be surely attached to the protruding surface 151 of the heat conducting block 15, and thus, the light emitting diode 221 The heat energy generated during the illuminating can be transmitted to the bottom plate 11 of the lamp panel 10 via the heat conducting block 15, and the heat lamp can be effectively removed by using the lamp panel 10 having a large area, thereby achieving the purpose of improving the heat dissipation efficiency.

Referring to FIGS. 7 and 8, a second embodiment of the present invention has a structure different from that of the first embodiment in that the socket 14A is not provided with a stud, and a torsion spring 16A is disposed on the socket 14A and the end plate 12A. Between the positioning slots 121A, the torsion springs 16A are pivotally disposed on the inner side surface of the end plate 12A. One end of the torsion spring 16A abuts against the groove surface of the positioning groove 121A of the end plate 12A, and the other end abuts against the socket 14A.

The second embodiment of the present invention is the same as the first embodiment in that the lamp tube 20A is mounted on the lamp panel 10A, that is, the socket 14A is first moved in the direction of the positioning slot 121A of the end plate 12A, so that the torsion spring 16A is twisted and stored. Elastically, the conductive terminal 231A of the lamp tube 20A is correspondingly inserted into the slot 142A of the socket 14A and rotated by 90 degrees, and the torsion spring 16A is provided with a resilient force to push against the socket 14A, so that the circuit board 22A can be surely adhered to the heat conduction. Block 15A.

Referring to FIG. 9 and FIG. 10, the third embodiment of the present invention has a structure different from that of the first embodiment in that the socket 14B is not provided with a stud and a spring, and the adjacent two positions of the end plate 12B are adjacent. The distance between the holes 122B is smaller than the distance between the two abutting pieces 141B of the socket 14B. The two adjacent positioning holes 122B extend laterally toward the outer side away from the bottom plate 11B to extend a card hole 123B. The card hole 123B The abutting piece 141B of the socket 14B is snapped into position.

The third embodiment of the present invention actually operates the lamp tube 20B mounted on the lamp panel In the case of 10B, the two abutting pieces 141B of the socket 14B are firstly compressed toward the inner side, so that the distance between the two abutting pieces 141B is reduced to correspond to the two adjacent positioning holes 122B, and the conductive terminal 231B of the tube 20B is further connected. Corresponding to the slot 142B inserted into the socket 14B, the lamp tube 20B is rotated by 90 degrees, the lamp tube 20B is positioned on the socket 14B, and the circuit board 22B corresponds to the heat conducting block 15B, and the socket 14B is further moved toward the bottom plate 11B, so that the circuit The plate 22B can be attached to the heat conducting block 15B, and the abutting piece 141B of the socket 14B is locked in the card hole 123B, so that the lamp tube 20B is completely positioned on the lamp plate 10B.

10‧‧‧Lighting plate

11‧‧‧floor

12‧‧‧End board

122‧‧‧Positioning holes

13‧‧‧ side panel

14‧‧‧ socket

141‧‧‧ arriving at the film

15‧‧‧thermal block

16‧‧‧Compressed spring

20‧‧‧Light tube

21‧‧‧shade

23‧‧‧Electrical connector

Claims (9)

A lamp panel is made of a heat-conducting material, the lamp panel has a bottom plate, and two end plates are connected to the two ends of the bottom plate, and the opposite inner side surfaces of the two end plates are respectively provided with at least one movable socket, two ends The sockets of the board are corresponding to each other, and a heat conducting block protrudes between the two sockets on the surface of the bottom plate, wherein at least one set of two adjacent positioning holes are formed in the board body of the end plate. The hole is an elongated hole, and two gussets protrude from the two sides of the socket toward the end plate, the yoke piece has elasticity and a block is formed at the end thereof, and the socket has two gussets corresponding to the two adjacent to each other. In the positioning hole, the clamping block of the clamping piece is located on the outer side surface of the end plate, and the abutting piece can slide in the positioning hole, so that the socket can move relative to the end plate. The lamp disc of claim 1, wherein the end plate is bent away from the one end of the bottom plate toward the inner side to form a positioning groove, and a protruding post, a compression spring, protrudes from the positioning groove of the socket toward the end plate. The piston is disposed between the protruding post and the positioning groove of the end plate, and the other end of the compression spring is sleeved on the outer side of the protruding post, and the other end is fixed in the positioning groove of the end plate. The lamp disc of claim 1, wherein the end plate is bent away from the one end of the bottom plate toward the inner side to form a positioning groove, and a protruding post, a compression spring, protrudes from the positioning groove of the socket toward the end plate. The piston is disposed between the protruding post and the positioning groove of the end plate, and the other end of the compression spring is sleeved on the outer side of the protruding post, and the other end is fixed in the positioning groove of the end plate. The lamp panel of claim 1, wherein the end plate is bent away from an end of the bottom plate toward the inner side to form a positioning groove, the socket and the end plate. A torsion spring is disposed between the positioning slots, and the torsion spring is pivotally disposed on the inner side surface of the end plate. One end of the torsion spring abuts against the groove surface of the positioning groove of the end plate, and the other end abuts against the socket. The lamp disc of claim 1, wherein the end plate is bent away from the one end of the bottom plate toward the inner side to form a positioning groove, and a torsion spring is disposed between the socket and the positioning groove of the end plate, the torsion spring The pivoting spring is disposed on the inner side surface of the end plate, and one end of the torsion spring abuts against the groove surface of the positioning groove of the end plate, and the other end abuts against the socket. The lamp disc of claim 1, wherein a distance between two adjacent positioning holes of the end plate is smaller than a distance between the two abutting pieces of the socket, and the adjacent two positioning holes are respectively adjacent to the bottom plate. One end of the socket extends toward the outer side away from each other with a card hole, and the abutting tab of the socket is in the card hole. The lamp panel of claim 1, wherein the heat conducting block is an elongated block having a major axis direction parallel to a side of the bottom plate. The lamp disc of claim 7, wherein the heat conducting block has a convex shape and a protruding surface. A light-emitting diode illuminating device having a lamp panel according to any one of claims 1 to 8 and at least one lamp tube, the lamp tube being disposed corresponding to the heat-conducting block, the lamp tube having a lampshade a circuit board and two electrical connectors, the lamp cover is a hollow tube body, and an opening is formed on one side of the tube wall, and the circuit board is disposed at the opening of the lamp cover, the circuit board is disposed toward the inner surface of the lamp cover a plurality of light-emitting diodes, the two electrical connectors are respectively disposed on the lampshade and the circuit board The lamp tube is electrically connected to the corresponding two sockets of the lamp panel, and the outer surface of the circuit board and the heat conducting block are in contact with each other.