CN218153706U

CN218153706U - LED double-tube lamp

Info

Publication number: CN218153706U
Application number: CN202222067492.9U
Authority: CN
Inventors: 蒋江峰; 胡哲平; 蒲纪忠; 赵艺佼; 甘彩英
Original assignee: CH Lighting Technology Co Ltd
Current assignee: CH Lighting Technology Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-27
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a LED double-tube lamp, locate the fluorescent tube both ends with closed fluorescent tube open-ended end cover and set up in the inside drive power supply of one of them or two end covers including two fluorescent tubes, the cover that arrange in parallel, the end cover includes the end wall that relative fluorescent tube tip set up and the lateral wall that encircles the fluorescent tube, drive power supply is pegged graft including sliding circuit board on the lateral wall and the electronic components who sets up on the circuit board, the tip of fluorescent tube with the installation has between the end wall drive power supply's space, the inside in this space is provided with relatively the circuit board sets up and pastes the support piece that leans on at least one electronic components, support piece with end cover integrated into one piece. Be provided with the support piece that relative circuit board set up in the end cover of this application, partial electronic components on the circuit board offsets with support piece, compares and does not have support piece's end cover among the prior art, and the drive power supply of this application can not rock, and is more firm.

Description

LED double-tube lamp

Technical Field

The application relates to the technical field of lamps, in particular to an LED double-tube lamp.

Background

With the continuous popularization and technical application of the LED lamps in the market, the LED lamps have the advantages of low power consumption, long service life, long emergency lighting time, easy control, no maintenance, safety, environmental protection and the like, so the LED lamps are widely applied to indoor lighting lamps such as hotels, offices, large markets, basements and the like.

The existing double-tube lamp comprises a lamp tube and end covers arranged at two ends of the lamp tube, wherein a driving power supply is arranged in the end covers, but the driving power supply can shake after the installation is finished.

SUMMERY OF THE UTILITY MODEL

The application provides a double-barrelled lamp of LED has solved among the prior art problem that can produce after the drive power supply installation and rock.

The LED double-tube lamp comprises two parallel-arranged lamp tubes, end covers sleeved at two ends of the lamp tubes to seal openings of the lamp tubes and a driving power supply arranged inside one or two end covers, wherein the end covers comprise end walls arranged opposite to the end parts of the lamp tubes and side walls surrounding the lamp tubes, the driving power supply comprises a circuit board and electronic components, the circuit board is arranged on the side walls in a sliding and inserting mode, the electronic components are arranged on the circuit board, the end parts of the lamp tubes and the end walls are provided with spaces for installation of the driving power supply, the space is internally provided with a supporting piece, the supporting piece is opposite to the circuit board, the circuit board is arranged and attached to at least one electronic component, and the supporting piece and the end covers are integrally formed.

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, the side wall is provided with two opposite support ribs with sliding grooves extending along the axial direction of the lamp tube, and the circuit board is installed in the two sliding grooves.

Optionally, the end of the sliding groove is flush with the circuit board, and the sliding groove and the circuit board are abutted against the end of the lamp tube for limiting.

Optionally, the lamp further comprises a cover plate, and the cover plate is buckled with the side wall to seal a gap between the end cover and the two lamp tubes.

Optionally, the cover plate has two opposite ends facing the end cover, one end of the cover plate is provided with a connecting buckle, the other end of the cover plate is provided with a connecting hole, and the side wall is provided with a buckle groove matched with the connecting buckle and a connecting column matched with the connecting hole in an inserting manner.

Optionally, one of the lamp tube and the end cap is provided with a buckle, and the other is provided with a clamping groove matched with the buckle.

Optionally, the lamp tube is of an integrally injection-molded tubular structure, and along the circumferential direction of the lamp tube, the lamp tube is divided into a flat bearing area for mounting the light-emitting assembly and a light-transmitting area in an arc-shaped structure, and the bearing area is provided with a plurality of reinforcing ribs extending along the axial direction of the lamp tube.

Optionally, the cross section of the bearing area is wavy, so that a plurality of reinforcing ribs are formed on the inner surface and the outer surface of the bearing area.

Optionally, the driving power supply includes a rectifying circuit, a filtering circuit and a power conversion circuit, which are coupled in sequence, the rectifying circuit has an ac input end connected to the ac power supply, and the power conversion circuit has a dc output end.

Optionally, a transformer is provided in the power conversion circuit and abuts against the support.

Be provided with the support piece that relative circuit board set up in the end cover of this application, partial electronic components on the circuit board offsets with support piece, compares and does not have support piece's end cover among the prior art, and the drive power supply of this application can not rock, and is more firm.

Drawings

FIG. 1 is a schematic diagram of an exploded view of an LED double-tube lamp in one embodiment;

FIG. 2 is a partial cross-sectional view of an LED double tube lamp in one embodiment;

FIG. 3 is a schematic view of the structure of the end cap cooperating with the cover plate and the driving power supply;

FIG. 4 is a schematic view of the structure of the end cap cooperating with the driving power supply;

FIG. 5 is a schematic structural view of the end cap and cover plate;

FIG. 6 is a schematic view of the cover plate;

FIG. 7 is a schematic view of a partial structure of a lamp tube;

FIG. 8 is a block diagram of a driving power supply of an LED dual lamp according to an embodiment;

fig. 9 is a schematic diagram of the power conversion circuit of fig. 8.

The reference numerals in the figures are illustrated as follows:

10. a lamp tube; 11. a load-bearing area; 12. a light-transmitting region; 13. reinforcing ribs; 14. a card slot; 15. connecting grooves; 16. a light emitting element;

20. an end cap; 21. an end wall; 22. a side wall; 23. a support member; 24. supporting ribs; 25. a chute; 26. Buckling grooves; 27. connecting columns; 28. buckling;

30. a drive power supply; 31. a circuit board; 32. an electronic component; 33. a transformer; 34. a rectifying circuit; 35. a filter circuit; 36. a power conversion circuit;

40. a cover plate; 41. a connecting buckle; 42. and connecting the holes.

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 obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to 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.

When the driving power supply 30 is installed in the conventional double-tube lamp, the driving power supply 30 is usually placed at a reserved fixed position of the end cover 20, but in the transportation or actual assembly process, the driving power supply 30 may shake due to the external force.

In order to solve the above problem, as shown in fig. 1 to 9, an embodiment provides an LED dual-tube lamp, which includes two parallel tubes 10, end caps 20 sleeved at two ends of the tubes 10 to close the openings of the tubes 10, and driving power supplies 30 disposed inside one or two end caps 20, where the number of the driving power supplies 30 is 1 in this embodiment. The end cap 20 includes an end wall 21 disposed opposite to the end portion of the lamp 10 and a side wall 22 surrounding the lamp 10, the end wall 21 and the side wall 22 are integrally disposed, so that the structural strength of the end cap 20 can be enhanced, in other embodiments, the end wall 21 and the side wall 22 may be separately disposed, and the outer circumferential surface of the end wall 21 is attached to the inner wall of the side wall 22 and fixed by bonding, welding, or the like.

The driving power supply 30 comprises a circuit board 31 inserted on the side wall 22 in a sliding manner and an electronic component 32 arranged on the circuit board 31, a space for installing the driving power supply 30 is arranged between the end part of the lamp tube 10 and the end wall 21, a supporting part 23 which is arranged opposite to the circuit board 31 and is attached to at least one electronic component 32 is arranged in the space, and the electronic component 32 is clamped between the circuit board 31 and the supporting part 23, so that the lamp tube is more stable and is not easy to shake. Wherein, support piece 23 and end cover 20 integrated into one piece, can increase the structural strength between support piece 23 and the end cover 20 to the technology degree of difficulty has been reduced.

Specifically, the supporting member 23 is disposed in the end cap 20 along the length direction of the lamp tube 10, and the cross section thereof is substantially arched, but other shapes can be provided, and the embodiment is not particularly limited. The support 23 divides the end cap 20 into two chambers, the larger chamber is used for mounting the driving power supply 30, the smaller chamber is used for mounting the connecting member, since the connecting member is made of metal (generally iron) and can conduct electricity, and the support 23 can separate the connecting member from the driving power supply 30 to prevent unnecessary safety problems caused by contact between the two.

Be provided with the support piece 23 that sets up relative circuit board 31 in the end cover 20 of this application, the part electronic components 32 on the circuit board 31 offsets with support piece 23, compares and does not have support piece 23's end cover 20 among the prior art, and the drive power supply 30 of this application can not rock, and is more firm.

In order to facilitate the insertion of the circuit board 31, as shown in fig. 2 to 5, the side wall 22 is provided with two opposite support ribs 24 with sliding grooves 25 extending along the axial direction of the lamp 10, the circuit board 31 is installed in the two sliding grooves 25, the end portions of the sliding grooves 25 are flush with the circuit board 31, and the two are abutted against the end portions of the lamp 10 for limiting, so as to prevent the driving power supply 30 from sliding in the end cap 20.

The LED dual-tube lamp further includes a cover plate 40, wherein the cover plate 40 can be fastened to the sidewall 22 to seal the gap between the end cap 20 and the two tubes 10. The side walls 22 are disposed along the radial cross section of the lamps 10 in a substantially kidney shape, so that kidney-shaped holes are formed in the side walls 22, each lamp 10 is respectively attached to the arc-shaped portions of the kidney-shaped holes, and the two lamps 10 are in clearance fit, and the cover plate 40 is disposed between the two lamps 10.

As shown in fig. 5 and 6, the cover plate 40 has two opposite ends facing the end cap 20, one end of the cover plate 40 is provided with a connecting buckle 41, the other end of the cover plate is provided with a connecting hole 42, and the side wall 22 is provided with a fastening groove 26 extending along the axial direction of the lamp 10 and capable of being matched with the connecting buckle 41 and a connecting post 27 matched with the connecting hole 42 in an inserting manner.

When the conventional lamp tube 10 is inserted into the end cap 20, the end of the lamp tube 10 is generally fixed in the end cap 20 by gluing, but when the method is used, the glue needs to be completely solidified before being fixed, so that the production efficiency is reduced. To solve this problem, in the present embodiment, one of the lamp tube 10 and the end cap 20 is provided with a buckle 28, and the other is provided with a slot 14 matching with the buckle 28. During assembly, the clamping connection is only needed, the waiting time of using an adhesive mode is saved, and the production efficiency is improved. Specifically, in the present embodiment, the inner wall of the lamp 10 is provided with a locking groove 14, and the side wall 22 is provided with a locking buckle 28.

Fluorescent tube 10 is integrative injection moulding's tubular structure, and inside fixed mounting has light-emitting component 16, and light-emitting component 16 includes the base plate and sets up the LED lamp pearl on the base plate, and the LED lamp pearl is along the length direction interval arrangement of base plate. Along the circumference of the lamp tube 10, the lamp tube 10 is divided into a flat bearing area 11 for mounting the light emitting assembly 16 and a light transmitting area 12 with an arc-shaped structure, and the bearing area 11 has a plurality of reinforcing ribs 13 extending along the axial direction of the lamp tube 10. The light emitting component 16 is mounted on the supporting region 11 and disposed opposite to the light transmitting region 12, and the supporting region 11 can enhance the supporting strength of the lamp 10, so that the lamp 10 has an anti-bending effect. Wherein, along the radial section of the lamp tube 10, the section of the light transmission area 12 is approximately arc-shaped, the section of the bearing area 11 is approximately plane, and the bearing area 11 is connected with the two ends of the light transmission area 12. In another embodiment, the inner wall of the carrier region 11 is provided with a connecting groove 15, and the light emitting element 16 is clamped in the connecting groove 15.

As shown in fig. 7, the reinforcing ribs 13 are formed, in the present embodiment, the cross section of the carrying region 11 is wavy, so that a plurality of reinforcing ribs 13 are formed on the inner and outer surfaces of the carrying region 11.

Drive power supply 30 is used for driving light emitting component 16 and normally gives out light, its working process refers to fig. 8 and fig. 9, in this embodiment, drive power supply 30 includes rectifier circuit 34, filter circuit 35 and the power conversion circuit 36 that couple in proper order, rectifier circuit 34 has the ac input end of being connected with alternating current power supply, ac input end lug connection live wire and zero line, omit loaded down with trivial details wiring operation, power conversion circuit 36 has the dc output end, the direct current of output conveys to each LED lamp pearl through the circuit. The power conversion circuit 36 has a transformer 33 abutting against the support 23, one end of the transformer 33 is fixed to the circuit board 31, and the other end abuts against the support 23, so that the entire driving power supply 30 does not shake and is more stable.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. Features of different embodiments are shown in the same drawing, which is to be understood as also disclosing combinations of the various embodiments concerned.

The above-mentioned embodiments 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, and these are all within the scope of protection of the present application.

Claims

LED double-tube lamp, including two fluorescent tubes that arrange in parallel, cover locate the fluorescent tube both ends in order to seal fluorescent tube open-ended end cover and set up in the inside drive power supply of one of them or two end covers, the end cover includes the end wall that sets up relative fluorescent tube tip and the lateral wall that encircles the fluorescent tube, drive power supply is including sliding the grafting on circuit board on the lateral wall and the electronic components who sets up on the circuit board, its characterized in that, the tip of fluorescent tube with the installation has between the end wall drive power supply's space, the inside in this space is provided with relatively the circuit board sets up and pastes the support piece that leans on at least one electronic components, support piece with end cover integrated into one piece.
2. The LED double-tube lamp as claimed in claim 1, wherein the side wall is provided with two opposite support ribs with sliding grooves extending along the axial direction of the lamp tube, and the circuit board is mounted in the two sliding grooves.
3. The LED double-tube lamp of claim 2, wherein the end of the sliding groove is flush with the circuit board, and the end of the sliding groove and the circuit board are abutted against the end of the lamp tube for limiting.
4. The LED double tube lamp of claim 1, further comprising a cover plate fastened to the sidewall to seal a gap between the end cap and the two tubes.
5. The LED double-tube lamp according to claim 4, wherein the cover plate has two opposite ends facing the end cover, one end of the cover plate is provided with a connecting buckle, the other end of the cover plate is provided with a connecting hole, and the side wall is provided with a buckle slot matched with the connecting buckle and a connecting column matched with the connecting hole in an inserted manner.
6. The LED double tube lamp of claim 1, wherein one of the lamp tube and the end cap is provided with a buckle, and the other is provided with a slot for engaging with the buckle.
7. The LED double-tube lamp of claim 1, wherein the tube is an integrally injection-molded tubular structure, and along the circumference of the tube, the tube is divided into a flat carrying area for mounting the light-emitting assembly and an arc-shaped light-transmitting area, and the carrying area has a plurality of ribs extending along the axial direction of the tube.
8. The LED double-tube lamp of claim 7, wherein the cross section of the bearing area is wavy, so that a plurality of reinforcing ribs are formed on the inner surface and the outer surface of the bearing area.
9. The LED dual tube lamp of claim 1, wherein the driving power source comprises a rectifier circuit, a filter circuit and a power conversion circuit coupled in sequence, the rectifier circuit having an ac input connected to an ac power source, the power conversion circuit having a dc output.
10. The LED double tube lamp of claim 9, wherein the power conversion circuit has a transformer therein against the support.