TWM527516U - Combination type lamp tube end cover and LED lamp tube with the same - Google Patents

Description

Combined lamp end cover and LED tube lamp with combined lamp end cover

The present invention relates to the technical field of tube lamps, in particular to an end cap of a tube lamp component having an assembled structure design, thereby improving the assembly efficiency of the lamp tube and a LED tube having a combined lamp tube end cover. light.

In view of the fact that Light-Emitting Diode (LED) is widely used in lighting devices for daily life, please refer to FIG. 1 , which is a perspective view of a conventional LED tube. As shown in FIG. 1 , a conventional LED tube 1 ′ includes a lamp cover 11 ′, a heat dissipation plate 12 ′, a circuit layer 13 ′, a plurality of LED elements 14 ′, a driving circuit 16 ′ and two lamp holders 15 . The circuit layer 13' provided with the LED elements 14' is disposed on the heat dissipation plate 12', and the heat dissipation plate 12', the circuit layer 13', and the LED elements 14' are coupled. Placed within the lampshade 11'; and the circuit layer 13' has two wires 131'. Further, the two wires 131' are electrically connected to the conductive terminals 151' of the two caps 15', and one of the caps 15' internally houses the driving circuit 16' and is electrically connected to the wires 131' and electrically Between the terminals 151', the external power source is converted into a driving voltage by the driving circuit 16' to provide normal operation of the lamp tube. In addition, the two lamp caps 15' are sleeved at both ends of the lamp cover 11' for sealing. The lampshade 11'.

The conventional LED tube 1' described in Fig. 1 has been widely used in various lighting devices, however, the conventional LED tube 1' still has the following main drawbacks:

In the assembly process and technology of the conventional LED lamp 1', the driving circuit 16' must be fixedly disposed inside the lamp cap 15' at one end thereof before the lamp cap 15' can be fixed and sealed to the lampshade 11'. One end; however, in the above process, since the driving circuit 16' needs to be electrically connected to the circuit layer 13' through the wire 131' at the same time, in the actual manufacturing process, the wire 131' is often pulled and The circuit layer 13' or the drive circuit 16' is separated, etc., which in turn leads to a decrease in production yield.

On the other hand, in order to solve the above problems, the current lamp structure is overcome by designing the extension of the wire 131'. However, it is apparent that the above-mentioned extended design not only greatly affects the space inside the lampshade 11' and In addition, it is more likely that the wire 131' is shielded to a portion of the LED element 14', etc.; not only the cost is increased, but also the inconvenience in wire assembly is further caused, thereby affecting the production efficiency.

Therefore, through the above description, it can be known that the conventional LED tube still has shortcomings and shortcomings; in view of this, the creator of the present case tries to research and create, and finally develops a combined type of lamp tube end cover of the novel creation. And LED tube lamp with combined lamp end cover.

The combined lamp tube end cover of the present invention mainly comprises an end cap body and a cover body. In addition, the present invention further provides an LED tube lamp with a combined lamp tube end cover, which mainly comprises: the above combined lamp tube The end cover and the cover body, the LED lighting module, the driving circuit and the end cover, wherein the design of the combined lamp end cover of the present invention enables the driving circuit and the end cap body to be first used when assembling the LED tube lamp After the first installation, the cover body is assembled, so that not only the assembly efficiency can be greatly improved, but also the disadvantages of the wire being easily torn off in the conventional technology can be effectively avoided.

Therefore, in order to achieve the above object of the present invention, the creator of the present invention proposes a combined type of lamp tube end cover for being disposed at an end of an LED lamp tube, wherein the combined lamp tube end cover comprises: one end cover The main body is formed with a through hole; and a cover body is closed on the opening of the end cover main body, and the cover system is provided with two conductive terminals.

In addition, the creator of the present invention further proposes an LED tube lamp having a combined lamp end cover, comprising: a cover; an LED lighting module disposed inside the cover; a driving circuit electrically connected The LED lighting module; a combined lamp end cover disposed at one end of the cover and the driving circuit is disposed in the combined lamp end cover; and an end cover opposite to the combined lamp end The cover is disposed at the other end of the cover; wherein the combined lamp end cover comprises: an end cover main body formed with a through opening; and a cover body covering the opening of the end cover main body And the cover system is provided with two conductive terminals.

In order to more clearly describe a combined lamp end cap and a LED tube lamp having a combined lamp end cap proposed by the present invention, a preferred embodiment of the novel creation will be described in detail below with reference to the drawings.

Please also refer to FIG. 2, FIG. 3, FIG. 4 and FIG. 5, which are respectively an exploded view of the combined lamp end cover of the present invention, an exploded view of the cover of the present invention, a first perspective view of the end cap body of the present creation, and a second Stereo picture. As shown in FIG. 2, FIG. 3, FIG. 4 and FIG. 5, the combined lamp end cover 1 of the present invention is composed of an end cap main body 12 and a cover body 11, wherein the end cap main body 12 is formed with a through hole. a port 120, and the inner side wall of the port 120 is formed with a matching inner edge 124 and a coupling groove 121, and the cover 11 is sealed on the port 120 of the end cap body 12, and The cover 11 is provided with two conductive terminals 111.

In the present invention, the cover 11 is formed with a fitting flange 114 and a coupling protrusion 115 corresponding to one side of the end cover body 12, and the fitting flange 114 and the coupling protrusion The 115 series respectively correspond to the fitting inner edge 124 of the end cap body 12 and a coupling groove 121, and through the fitting flange 114, the fitting inner edge 124, the coupling protrusion 115 and the coupling groove 121 The cover 11 is fixedly disposed on the opening 120 of the end cap body 12 in a tight fit.

Moreover, the cover body 11 is further formed with two terminal receiving holes 116, and the two conductive terminals 111 are respectively received in the two terminal receiving holes 116, and further, the inner edge of the end cap main body 12 is tightly fitted. The 124 series is formed with a short flat portion 123 and a long flat portion 122, and correspondingly, the fitting flange 114 of the cover 11 is formed with a short flat flange 113 and a long flat flange 112.

Please refer to FIG. 2, FIG. 3, FIG. 4 and FIG. 5, and refer to FIG. 6, FIG. 7 and FIG. 8 at the same time, which are respectively an exploded view of the LED tube lamp with the combined lamp end cover proposed by the present invention. Partially magnified exploded view, and assembled perspective view. As shown in the figure, the LED tube lamp L having the combined type of lamp tube end cover proposed by the present invention includes: a cover body L3 and an LED light-emitting module, in addition to the above-mentioned combined type lamp tube end cover 1. L2, a driving circuit L1 and an end cover L4.

The LED lighting module L2 is disposed inside the cover L3, and the driving circuit L1 is electrically connected to the LED lighting module L2 and disposed in the combined lamp end cover 1, and the combined type The lamp end cover 1 and the end cover L4 are respectively disposed at both end portions of the cover L3.

In addition, in the embodiment, in order to make the combined lamp end cover 1 and the cover L3 tightly joined, the inner side wall of the end cover main body 12 is formed with a plurality of lamp tube clamping blocks 125, and when the combination When the lamp tube end cover 1 is disposed at one end of the cover body L3, the end edge of the cover body L3 is interposed between the lamp tube clamping blocks 125 and the inner side wall of the end cover body 12.

The inner side wall of the end cap body 12 is formed with a lamp positioning protrusion 127, and the cover body L3 is formed corresponding to the lamp tube positioning protrusion 127 to form a coupling recess L31. When the end cover 1 is disposed at one end of the cover L3, the lamp positioning protrusion 127 is tightly inserted into the coupling recess L31.

Further, as shown in FIG. 7 , the LED lighting module L2 includes an electrical connector L21, and the electrical connector L21 is disposed between the LED lighting module L2 and the driving circuit L1; The electrical connector L21 is provided with two conductive terminals L22, and one end of each of the conductive terminals L22 is electrically connected to the conductive via L12 of the driving circuit L1, and the other end thereof is electrically soldered to the LED. The soldering point L26 of the light-emitting module L2.

Further, the LED light-emitting module L2 includes a heat-dissipating substrate L24, a circuit layer L25, and a plurality of LED light-emitting elements L23, wherein the heat-dissipating substrate L24 is fixedly disposed on the inner wall of the cover L3, and The circuit layer L25 is disposed on the concave side bottom surface of the heat dissipation substrate L24, and the soldering point L26 is disposed on the circuit layer L25. Further, the LED light emitting elements L23 are disposed on the circuit layer L25, and the The LED light-emitting element L23 is electrically connected to the cover 11 and the drive circuit L1 via the circuit layer L25.

The two sides of the heat dissipating substrate L24 are formed with a barrier spacer L70, and the electrical connector L21 is vertically inserted through the barrier spacer L27 and vertically inserted on the heat dissipation substrate L24; and the driving The circuit L1 has two electrical connection terminals L11, and the two electrical connection terminals L11 are respectively inserted and connected into the two conductive terminals 111 of the combined type lamp tube end cover 1.

In addition, the concave side of the heat dissipation substrate L24 and the circuit layer L25 are covered with a reflection sheet L28, and the reflection sheet L28 is provided with a plurality of LED light-emitting element openings L281, and the LED light-emitting element openings L281 Corresponding to the LED light-emitting elements L23, wherein the LED light-emitting elements L23 on the circuit layer L25 are exposed on the heat-dissipating substrate L24 through the LED light-emitting element openings L281 during the tube assembly process; In the technique of the present invention, the arrangement of the reflection sheet L28 can reflect the light emitted by the LED light-emitting elements L23, thereby effectively increasing the illumination and lumens of the tube lamp during operation.

Further, in the manufacturing process of the LED tube lamp L having the combined lamp end cover, the LED lighting module L2 is first placed in the cover L3, and the driving circuit L1 is set in the combined lamp. In the end cover main body 12 of the end cover 1, at this time, the cover body 11 is tightly covered with the end cover main body 12, and the combined type lamp end cover 1 and the end cover L4 are positioned at both ends of the cover L3, and then The combined lamp tube end cover 1 and the end cover L4 are fixedly disposed at both ends of the LED tube lamp L having the combined type of lamp tube end cover by a high frequency welding technology. As shown in FIG. 5, the tooth-like structure of the inner edge of the end cap main body 12 is such that the end cap main body 12 and the edge of the cover L3 are welded in a high frequency, which can be joined more tightly.

Thus, through the above, the structure and technical features of the combined lamp end cap and the LED tube lamp having the combined lamp end cap are completely and clearly described; and, according to the above, the present invention has the following advantage:

(1) Different from the conventional LED tube, the combined lamp tube end cover of the present invention and the LED tube lamp technology with the combined type tube end cover are mainly designed through the combined type of lamp tube end cover, so that when When the LED tube lamp assembly process is performed, as shown in FIG. 8, the driving circuit and the end cap body can be installed first, and then the cover body is assembled. Thus, the assembly efficiency can be greatly improved, and the assembly efficiency can be effectively avoided. In the conventional technology, the wire is easily broken and the like.

(2) In addition, according to the above point (1), through the design of the combined lamp end cover, the wire is not pulled during the manufacturing process, so as shown in Figure 7, the application will be The created LED tube lamp can achieve the best flattening effect of the internal structure of the lamp through the design of the electrical connector and the conductive terminal.

(3) Further, through the design of the combined lamp end cap, the conventional end cap design can be avoided, and when the driving circuit is disposed inside the end cap and coupled to the end of the tube lamp, the components of the driving circuit are easily pushed. However, the collision with the light-emitting module of the tube lamp causes the components to fall off or the contact is poor, thereby effectively improving the yield of the tube lamp.

It is to be understood that the foregoing detailed description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, Both should be included in the scope of the patent in this case.

<This new type>
1‧‧‧Combined lamp end caps
11‧‧‧ Cover
12‧‧‧End cap body
111‧‧‧Electrical terminals
112‧‧‧Long flat flange
113‧‧‧Short flat flange
114‧‧‧Fitting flange
115‧‧‧bonding bumps
116‧‧‧Terminal receiving hole
121‧‧‧ Combined groove
122‧‧‧Long flat section
123‧‧‧ Short flat section
124‧‧‧ close to the inner edge
125‧‧‧light tube clamp
127‧‧‧Light tube positioning bump
120‧‧‧ mouth
L‧‧‧LED tube light with combined lamp end cap
L1‧‧‧ drive circuit
L2‧‧‧LED lighting module
L3‧‧‧ cover
L4‧‧‧ end cap
L11‧‧‧Electrical connection terminal
L12‧‧‧ conductive through hole
L21‧‧‧Electrical connectors
L22‧‧‧ conductive terminal
L23‧‧‧LED light-emitting components
L24‧‧‧heating substrate
L25‧‧‧ circuit layer
L26‧‧‧ solder joints
L27‧‧‧Baffle plate setting groove
L28‧‧‧reflector
L281‧‧‧LED light-emitting element opening
L31‧‧‧ combined notch

<知知>
1'‧‧‧Leg's LED tube
11'‧‧‧shade
12'‧‧‧heating plate
13'‧‧‧ circuit layer
14'‧‧‧LED components
15'‧‧‧ lamp holder
16'‧‧‧Drive Circuit
131'‧‧‧ wire
151'‧‧‧Electrical terminals

1 is a perspective view of a conventional LED tube; FIG. 2 is an exploded view of the combined lamp end cap of the present invention; FIG. 3 is an exploded view of the cover of the present invention; FIG. 4 is a first perspective view of the end cap body of the present invention. Figure 5 is a second perspective view of the end cap body of the present invention; Figure 6 is an exploded view of the LED tube lamp with a combined lamp end cap proposed by the present invention; Figure 7 is a partially enlarged exploded view of the LED tube lamp; An assembled perspective view of an 8-series LED tube lamp.

1‧‧‧Combined lamp end caps

11‧‧‧ Cover

12‧‧‧End cap body

L1‧‧‧ drive circuit

L2‧‧‧LED lighting module

L3‧‧‧ cover

Claims (17)

A combined lamp tube end cover is disposed at an end of an LED lamp tube, wherein the combined lamp tube end cover comprises: an end cap main body formed with a through opening; and a cover body Covered on the opening of the end cap body, and the cover system is provided with two conductive terminals. The combined type of lamp tube end cap of claim 1, wherein the inner side wall of the opening is formed with a matching inner edge and a coupling groove, and the cover body corresponds to the end One side of the cover body is formed with a fitting flange and a coupling protrusion, and the fitting flange and the coupling protrusion respectively correspond to the fitting inner edge of the end cap body and a coupling groove, and The cover body is fixedly disposed on the opening of the end cap body through the tight fitting flange, the fitting inner edge, the coupling protrusion and the coupling groove. The combined type of lamp tube end cover according to the second aspect of the invention, wherein the cover body is further formed with two terminal receiving holes, and the two conductive terminals are respectively received in the two terminal receiving holes. . The combined lamp end cap of claim 2, wherein the inner edge of the end cap body is formed with a short flat portion and a long flat portion, and correspondingly, the cover body is tight The flange is formed with a short flat flange and a long flat flange. The combined lamp end cap according to claim 2, wherein the inner side wall of the end cap body is formed with a plurality of lamp tube clamping blocks. The combined lamp end cap of claim 2, wherein the inner side wall of the end cap body is formed with a lamp positioning protrusion. An LED tube lamp having a combined lamp tube end cover includes: a cover body; an LED light-emitting module disposed inside the cover body, and the LED light-emitting module has a heat dissipation substrate, and the heat dissipation a circuit layer and a plurality of LED light-emitting elements are disposed on the concave side of the substrate, and the circuit layer is covered with a reflective sheet, wherein the reflective sheet is provided with a plurality of LED light-emitting element openings, and the LED light-emitting elements are The opening is corresponding to the LED lighting elements; a driving circuit is electrically connected to the LED lighting module; a combined lamp end cover is disposed at one end of the cover and the driving circuit is disposed in the combination And the end cap is disposed at the other end of the cover body relative to the combined lamp tube end cover; wherein the combined lamp end cover comprises: an end cap body formed And a cover body covering the opening of the end cap body, and the cover system is provided with two conductive terminals. The LED tube lamp with a combined type of lamp tube end cover according to claim 7, wherein the inner side wall of the opening is formed with a fitting inner edge and a coupling groove, and the cover body Corresponding to one side of the end cap body, a fitting flange and a coupling protrusion are formed, and the fitting flange and the coupling protrusion respectively correspond to the tight inner edge of the end cap body and are combined with one a groove, and the cover body is tightly fixedly disposed on the opening of the end cap body through the tight fitting flange, the fitting inner edge, the coupling protrusion and the coupling groove. The LED tube lamp with a combined type of lamp tube end cover according to the invention of claim 8, wherein the cover body is further formed with two terminal receiving holes, and the two conductive terminals are respectively accommodated in the two Terminals accommodate holes. The LED tube lamp with a combined type of lamp tube end cover according to claim 8, wherein the inner edge of the end cap body is formed with a short flat portion and a long flat portion, and correspondingly, The tight fitting flange of the cover is formed with a short flat flange and a long flat flange. The LED tube lamp with a combined type of lamp tube end cover according to claim 8, wherein the inner side wall of the end cover body is formed with a plurality of tube clamping blocks, and when the combined lamp tube end When the cover is disposed at one end of the cover, the end edge of the cover is sandwiched between the lamp tube clamping block and the inner side wall of the end cover body. The LED tube lamp with a combined type of lamp tube end cover according to the invention of claim 8, wherein the inner side wall of the end cover body is formed with a lamp tube positioning protrusion, and the cover system corresponds to the lamp The tube positioning protrusion is formed with a coupling recess. When the combined lamp tube end cover is disposed at one end of the cover body, the lamp tube positioning protrusion is tightly inserted into the coupling recess. The LED tube lamp with a combined type of lamp tube end cover according to claim 8 , wherein the LED lighting module comprises an electrical connection member, and the electrical connection member is disposed on the LED illumination mode. Between the group and the drive circuit. The LED tube lamp with a combined type of lamp tube end cover according to claim 13 , wherein the electrical connection member is provided with two conductive terminals, and one end of each of the conductive terminals is inserted in the The conductive via of the driving circuit is electrically connected to the soldering point of the LED lighting module. The LED tube lamp having a combined type of lamp end cover according to claim 14, wherein the LED lighting module comprises: the heat dissipating substrate fixedly disposed on the inner wall of the cover; the circuit layer, The LED light-emitting element is disposed on the circuit layer, and the LED light-emitting elements are disposed through the circuit layer. The LED light-emitting elements are disposed on the circuit layer. They are electrically connected to the cover and the driving circuit respectively. The LED tube lamp with a combined type of lamp tube end cover according to claim 15, wherein the two side walls of the heat dissipation substrate are formed with a barrier spacer groove, and the electrical connection member is disposed through the barrier plate. The groove is vertically inserted into the heat dissipation substrate. The LED tube lamp with a combined type of lamp tube end cover according to claim 8, wherein the driving circuit has two electrical connection terminals, and the two electrical connection terminals are respectively inserted and connected to the The two types of conductive terminals of the combined lamp tube end cover.