CN214890633U

CN214890633U - Splicing structure of lamp strips and lamp

Info

Publication number: CN214890633U
Application number: CN202120546780.5U
Authority: CN
Inventors: 吕少华; 曹胜军; 蒲纪忠; 甘彩英; 赵艺佼
Original assignee: CH Lighting Technology Co Ltd
Current assignee: CH Lighting Technology Co Ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-26
Anticipated expiration: 2031-03-16

Abstract

The application discloses mosaic structure and lamps and lanterns of lamp strip, mosaic structure of lamp strip includes: the two opposite end parts of the two light bars are butted and electrically connected through welding; the connecting piece strides the junction of locating two lamp strips, and it is fixed with the lamp strip through the soldering tin of junction, and this scheme is for prior art, and the firmness of two lamp strip butt joints can be strengthened to the connecting piece, promotes the toughness of two lamp strip junctions, avoids taking place the problem of the mosaic structure rupture of lamp strip to the reliability of product has been promoted.

Description

Splicing structure of lamp strips and lamp

Technical Field

The application relates to the field of lamps, in particular to a splicing structure of lamp strips and a lamp.

Background

The LED illumination is light emitting diode illumination, and is a semiconductor solid light emitting device. The solid semiconductor chip is used as a luminescent material, and the carriers are compounded in the semiconductor to release excess energy to cause photon emission, so that red, yellow, blue and green light is directly emitted.

The lamp comprises a lamp tube, end covers fixed at two ends of the lamp tube, a driving power supply located in the lamp tube and an LED module located in the lamp tube and electrically connected with the driving power supply. The end cover is provided with two binding posts, each binding post is electrically connected with a driving power supply, and the binding posts are inserted into the lamp holder to be communicated with an external power supply.

Among the prior art, when the length of lamp strip was not enough, need two piece at least lamp strips to splice, then realize the electricity through the welding and connect, at the process of lamp strip equipment and transportation, the cracked problem can take place for the lamp strip after the concatenation.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the splicing structure of the lamp strips and the lamp provided by the application can enhance the structural strength of the spliced lamp strips.

The application provides a mosaic structure of lamp strip, include:

the two opposite end parts of the two light bars are butted and electrically connected through welding;

the connecting piece strides the welding position of locating two lamp strips, and is fixed with the lamp strip through the soldering tin of welding position.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, each light bar comprises a substrate and an LED lamp bead fixed on the substrate, each substrate is provided with a bonding pad, and the soldering tin at the welding position is welded with the corresponding bonding pad;

and two ends of the connecting piece respectively extend to the corresponding bonding pads.

Optionally, a part of the structure of the connector is disposed on the pad.

Optionally, the lamp strip is positioned at the butt joint of two lamp strips, and the welding position is two;

along the width direction of the lamp strip, two welding positions are positioned on two opposite sides of the LED lamp bead.

Optionally, the bonding pad and the LED lamp bead are located on the same side of the substrate.

Optionally, the substrate is an epoxy plate.

Optionally, the surface of the substrate is coated with a solder resist ink layer.

Optionally, the connecting piece is a tinned copper wire.

The application also provides the following technical scheme:

a lamp comprises a lamp tube, end covers fixed at two ends of the lamp tube and a lamp strip arranged in the lamp tube, wherein the lamp strip is of a splicing structure of the lamp strip as above.

The utility model provides a mosaic structure and lamps and lanterns of lamp strip, the firmness of two lamp strip butt joints can be strengthened to the connecting piece, promotes the toughness of two lamp strip welding departments, avoids taking place the problem of the mosaic structure rupture of lamp strip to the reliability of product has been promoted.

Drawings

Fig. 1 is a schematic structural diagram of a lamp according to an embodiment of the present disclosure;

FIG. 2 is a partial cross-sectional view of the lamp of FIG. 1;

fig. 3 is a schematic structural view of a splicing structure of the light bar in fig. 2.

The reference numerals in the figures are illustrated as follows:

100. a light fixture; 10. splicing structures of the light bars; 11. a light bar; 12. a pad; 13. a connecting member; 14.

LED lamp beads; 15. a substrate; 20. an end cap; 30. a lamp tube; 40. the power supply is driven.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 3, the present application provides a splicing structure 10 of light bars, where the splicing structure 10 of light bars is applied to a lamp 100, the splicing structure 10 of light bars includes at least two light bars 11, two opposite ends of the two light bars 11 are butted, and electric connection is achieved by welding. In this embodiment, the number of the light bars 11 in the splicing structure 10 of the light bars is two, the top surfaces and the bottom surfaces of the two light bars 11 are all flush, and two opposite end surfaces of the two light bars 11 are attached to each other. Of course, in other embodiments, the number of the light bars 11 in the light bar splicing structure 10 can also be more than two.

In the prior art, because weld through the soldering tin material between two lamp strips 11, because the toughness of soldering tin material is relatively poor, mosaic structure 10 of lamp strip will make the mosaic structure 10 rupture of lamp strip hard a little at the in-process of equipment and transportation, influences the use of mosaic structure 10 of lamp strip. In order to solve the technical problem, as shown in fig. 3, the splicing structure 10 of the lamp strips further comprises a connecting piece 13, the connecting piece 13 spans the welding position of the two lamp strips 11, the soldering tin and the lamp strips 11 are fixed through the welding position, the firmness of butt joint of the two lamp strips 11 can be enhanced through the connecting piece 13, the toughness of the welding position of the two lamp strips 11 is improved, the problem that the splicing structure 10 of the lamp strips is broken is avoided, and the reliability of a product is improved.

In another embodiment, as shown in fig. 3, each light bar 11 includes a substrate 15 and LED beads 14 fixed on the substrate 15. The light bar 11 has a length direction (e.g., X direction in fig. 3) and a width direction (e.g., Y direction in fig. 3), the length direction and the width direction of the light bar 11 are perpendicular to each other, and when the light bar 11 is installed in the lamp tube 30, the length direction of the light bar and the length direction of the lamp tube are the same. The number of the LED lamp beads 14 is plural, each LED lamp bead 14 is arranged at intervals along the length direction of the lamp strip, and the distance between two adjacent LED lamp beads 14 is set according to the actual needs of the lamp 100, which is not described herein.

In order to make the solder firmly connected to the corresponding substrate 15, in another embodiment, each substrate 15 is provided with a pad 12, and the solder at the welding position is welded to the corresponding pad 12. In this embodiment, the bonding pad 12 and the LED lamp bead 14 are located on the same side of the substrate 15, so that the side of the substrate 15 opposite to the LED lamp bead 14 is a plane, and when the two lamp strips 11 are welded to each other, the substrate 15 can be conveniently placed on the jig.

When the substrate 15 is a metal substrate (e.g., an aluminum substrate 15), the problem of leakage of the light bar splicing structure 10 may occur, and in order to solve the problem, in another embodiment, the substrate 15 is an epoxy plate. The epoxy board includes insulating layer and circuit layer, and LED lamp pearl 14 welds in the circuit layer, and pad 12 is connected with the circuit layer electricity. In some embodiments, the surface of the substrate 15 is coated with a solder resist ink layer, and the solder resist ink layer is white on the side of the substrate 15 facing the LED lamp bead 14, so as to improve the light reflection efficiency.

In order to make the connection between the two light bars 11 more firm, in another embodiment, the two light bars 11 are located at the butt joint, and the two welding positions are sequentially arranged along the width direction of the light bars. To avoid the solder joints interfering with each other during soldering, the width of the substrate 15 is L1; the distance between two welding positions is L2 at the butt joint of two lamp strips 11, and satisfies L1: l2 is 1.1-1.5. In this embodiment, along the width direction of lamp strip, two welding spots are located at two opposite sides of LED lamp bead 14.

In another embodiment, as shown in fig. 3, both ends of the connecting member 13 extend to the corresponding pads 12, respectively, so that the connection between the connecting member 13 and the corresponding pads 12 is more secure. Further, at least a part of the structure of the connector 13 is placed on the pad 12. When the two lamp strips 11 are spliced, firstly, the two opposite end parts of the two lamp strips 11 are butted, then the two ends of the connecting piece 13 are respectively placed on one side of the corresponding welding pad 12 back to the substrate 15, then the welding is carried out through the soldering material, and the two ends of the connecting piece 13 and the corresponding welding pad 12 are welded and fixed.

When the solder between the two light bars 11 is broken, the two light bars 11 are not powered on, and in some embodiments, the connecting member 13 is made of a conductive material, and at this time, the solder material may continuously span the bonding pads 12 of the two light bars 11, or the solder is only located at the connection between the connecting member 13 and the bonding pads 12. In this embodiment, the connecting member 13 is a tinned copper wire.

As shown in fig. 1 to fig. 2, the present application further provides a lamp 100, which includes a lamp tube 30, end caps 20 fixed at two ends of the lamp tube 30, and a light bar 11 installed in the lamp tube 30, wherein the light bar 11 adopts the splicing structure 10 of the light bar in the above embodiments.

Light fixture 100 further includes a driving power source 40 mounted within tube 30 and electrically connected to the tiled arrangement 10 of light bars and mounted within tube 30. The lamp tube 30 has a length direction (e.g., Z direction in fig. 1), the lamp tube 30 is disposed in a hollow manner, and two ends of the lamp tube 30 in the length direction are open, the light bar 11 and the driving power source 40 enter the lamp tube 30 from one end of the lamp tube 30 and are fixedly mounted in the lamp tube 30 by means of bonding or the like, and finally, the two ends of the lamp tube 30 are sealed by the end caps 20. In the present embodiment, the cross section of the lamp tube 30 is circular, and the end cap 20 is sleeved on the outer side of the end of the lamp tube 30; the lamp tube 30 is made of glass.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. Mosaic structure of lamp strip, its characterized in that includes:

2. The splicing structure of the light bars of claim 1, wherein each light bar comprises a substrate and LED (light-emitting diode) lamp beads fixed on the substrate, each substrate is provided with a bonding pad, and soldering tin at the welding position is respectively welded with the corresponding bonding pad;

3. The light bar splicing structure of claim 2, wherein a portion of the connector is disposed on the solder pad.

4. The splicing structure of the light bars of claim 2, wherein the splicing structure is positioned at the butt joint of two light bars, and the welding position is two;

5. The splicing structure of lamp strip of claim 2, wherein said bonding pad and said LED bead are located on the same side of said substrate.

6. The light bar splicing structure of claim 2, wherein the substrate is an epoxy plate.

7. The splicing structure of a light bar of claim 2, wherein the surface of the substrate is coated with a solder resist ink layer.

8. The splicing structure of a light bar of any one of claims 1 to 7, wherein the connecting piece is a tinned copper wire.

9. A lamp comprising a lamp tube, end caps fixed at both ends of the lamp tube, and a light bar installed in the lamp tube, wherein the light bar adopts a splicing structure of the light bar according to any one of claims 1 to 8.