CN215951156U

CN215951156U - LED lamp tube

Info

Publication number: CN215951156U
Application number: CN202122502820.9U
Authority: CN
Inventors: 陈湘
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-04
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of lamp tubes, in particular to an LED lamp tube, which comprises a base frame, wherein a plurality of light source plates are arranged on the periphery of the base frame to form a plurality of light emitting surfaces; the circuit board is arranged at the end part of the base frame, the circuit board is provided with a plurality of head parts which correspond to the light source boards one by one, the head parts are communicated in series, and the light source boards are provided with contacts which are electrically connected with the head parts; and the fixing piece is mainly used for efficiently positioning and fixing the circuit board, and simultaneously adopts an insulating material to realize insulation, separation and protection between the base frame and the driving power supply. The fixing piece is detachably fixed at the end part of the base frame, and the circuit board is fixedly pressed at the end part of the base frame; the utility model can effectively solve the problems of low product assembly efficiency and high product defective rate caused by a mode of connecting a plurality of led light source plates in series through a lead in the prior art.

Description

LED lamp tube

Technical Field

The utility model relates to the technical field of lamp tubes, in particular to an LED lamp tube.

Background

360 luminous fluorescent tube in no dead angle of degree is mostly through on the bed frame of aluminium system material, and a week evenly sets up the plane of a plurality of installation led light source boards, and the common fluorescent tube structure that has trilateral luminous, the four sides is luminous and six face is luminous. However, in the prior art, since the plurality of led light source boards are all driven and controlled by one driving power supply, the plurality of led light source boards need to be connected in series in advance through the wires, and a worker can plug redundant and lengthy wires into the empty groove in the middle of the base frame at the same time.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides an LED lamp tube which can effectively solve the problems of low product assembly efficiency and high defective rate of products caused by a mode of connecting a plurality of LED light source plates in series through a lead in the prior art.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides an LED lamp tube, which comprises a base frame, wherein a plurality of light source plates are arranged on the periphery of the base frame to form a plurality of light emitting surfaces; the circuit board is arranged at the end part of the base frame, the circuit board is provided with a plurality of head parts which correspond to the light source boards one by one, the head parts are communicated in series, and the light source boards are provided with contacts which are electrically connected with the head parts; and the fixing piece is mainly used for efficiently positioning and fixing the circuit board, and simultaneously adopts an insulating material to realize insulation, separation and protection between the base frame and the driving power supply. The fixing piece is detachably fixed at the end part of the base frame, and the circuit board is fixedly pressed at the end part of the base frame.

Furthermore, an open slot is formed at one end of the fixing piece, the end part of the base frame is arranged in the slot, a plurality of connecting columns are fixed inside the slot, a crimping plane is formed between the connecting columns and used for pressing the circuit board at the end part of the base frame, first connecting holes are formed in the connecting columns and the base frame, and wire outlet holes are reserved in the fixing piece.

Further, the circuit board forms a concave bent portion between adjacent heads, and the bent portion is used for avoiding the first connection hole.

Further, still include lamp shade and end cap, the lamp shade is the cylinder barrel of transparent material, and the lamp shade cover is established the outside of bed frame, end cap fixed mounting in the outside of mounting, the tip of lamp shade cooperates the joint in the end cap of both sides respectively.

Furthermore, a group of fixing holes are reserved on the circuit board close to the head, a pair of elastic conducting strips are fixedly connected with the fixing holes, and the elastic conducting strips can be opened and elastically clamped on the contacts.

Further, the elastic conducting strip integrally comprises a connecting part, a chamfer part and a fitting part, wherein the connecting part is used for fixing the bottom of the circuit board, the upper side of the fitting part is of a square-shaped structure, and the lower side of the fitting part is connected with the connecting part through the chamfer part.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

the utility model replaces the connection between the wire and the light source board contact by adopting the circuit board which is serially connected and conducted among the plurality of heads, can quickly realize the positioning and the fixing of the circuit board at the end part of the light source board by matching with the fixing piece, and can realize the serial conduction of the plurality of led light source boards by contacting the reserved conductive part on the circuit board with the contact of the light source board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is an exploded view of the circuit board and the fixing member of the present invention installed on a lamp tube;

FIG. 2 is a top view of the circuit board of the present invention mounted on the end of the light source board;

FIG. 3 is a lower perspective view of the fastener of the present invention;

FIG. 4 is a schematic diagram of a connection of two elastic conductive sheets according to an embodiment of the present invention;

FIG. 5 is a front view of an elastic conductive sheet according to the present invention;

the reference numerals in the drawings denote: 10-a base frame; 20-a light source board; 30-a circuit board; 40-a fixing piece; 50-a lampshade; 60-plug; 70-a contact; 31-a head; 32-a bend; 41-slot; 42-connecting column; 43-a first connection hole; 44-outlet holes; 45-crimping plane; 46-a second connection hole; 47-an elastic conductive sheet; 471-a connecting portion; 472-chamfer; 473-fitting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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 invention.

The present invention will be further described with reference to the following examples.

The first embodiment is as follows:

the utility model provides an LED lamp tube, which comprises a base frame 10 and a plurality of light source plates 20 arranged on the periphery of the base frame 10 to form a plurality of light emitting surfaces, wherein a 360-degree dead-angle-free luminous body is formed by the uniformly arranged light emitting surfaces; in this embodiment, the base frame 10 of the product is a hollow triangular prism aluminum heat dissipation base, which can help the light source plate 20 to more rapidly dissipate heat energy generated during operation, thereby improving the service life; meanwhile, the light source board 20 is matched with a constant current driving power supply to prolong the service life of the light emitting diode more effectively, the main body of the lamp tube further comprises a lampshade 50 and plugs 60, the lampshade 50 is a cylindrical barrel made of transparent materials, the lampshade 50 is sleeved outside the base frame 10, and the end parts of the lampshade 50 are respectively matched and clamped in the plugs 60 on two sides. The lampshade 50 in the embodiment adopts the PC lampshade 50, and the PC lampshade has the advantages of high temperature resistance, no yellowing, high light transmittance, good light uniformity and the like.

Referring to fig. 2, the design of the circuit board 30 is added, and the circuit board 30 is arranged at the end of the base frame 10 and used for efficiently connecting the plurality of light source boards 20 in series to replace the original connection mode of connecting wires one by one; specifically, by designing the circuit board 30 to have a plurality of heads 31 corresponding to the light source boards 20 one to one, the outer edges of the heads 31 protrude to the outer side of the light source boards 20, and the power supply can be effectively supported while being kept closely attached to the ends thereof. The circuit board 30 is designed to be connected in series and conducted among a plurality of head parts 31, and the light source board 20 is provided with a contact 70 electrically connected with the head parts 31; when in use, the plurality of led light source boards 20 can be connected in series and conducted by contacting the conductive part reserved on the circuit board 30 with the contact 70 of the light source board 20, and compared with the connection mode of the existing wire, the assembly efficiency of the lamp tube is greatly improved; certainly, when the welding gun is used specifically, the welding gun can be used for carrying out spot welding on the conductive part and the contact 70, the product quality and the application stability are improved, and the spot welding operation of workers is very convenient and fast because the circuit board 30 is compressed and fixed through the matched fixing piece 40.

Referring to fig. 3, a fixing member 40 is further provided, wherein the fixing member 40 is mainly used for efficiently positioning and fixing the circuit board 30, and simultaneously adopts an insulating material, and simultaneously realizes insulation, blocking and protection between the base frame 10 and the driving power supply. The fixing member 40 is detachably fixed to an end portion of the base frame 10, and the circuit board 30 is press-fitted and fixed to the end portion of the base frame 10.

Specifically, an open slot 41 is formed at one end of the fixing member 40, the end of the base frame 10 is placed in the slot 41, of course, the circuit board 30 is also placed in the slot 41, a plurality of connecting columns 42 are fixed in the slot 41, a first connecting hole 43 is formed on each connecting column 42 and the base frame 10, a press-connection plane 45 is formed between the connecting columns 42, and when the fixing member 40 and the base frame 10 are fixed by screws, the press-connection plane 45 presses the circuit board 30 to the end of the base frame 10 along the trend; an outlet hole 44 is reserved on the fixing member 40, and the outlet hole 44 is used for electrically connecting a pair of wires led out from the contacts with a driving power supply.

In the embodiment, the circuit board 30 preferably forms the concave bending portion 32 between the adjacent heads 31, the bending portion 32 is used to avoid the first connection hole 43, and the design of the bending portion 32 effectively locates by matching with the outer wall of the connection column 42, and simultaneously effectively avoids the interference when the fixing member 40 is connected with the base frame 10.

The middle of the fixing member 40 is provided with a second connecting hole 46, the second connecting hole 46 realizes the fixation of the long bolt on the fixing member 40 through a long bolt and a nut, and when the plug 60 is subsequently fixedly installed on the outer side of the fixing member 40, the plug 60 and the long bolt are connected through rotating to realize the connection of the plug 60 and the long bolt.

During assembly, firstly, a pair of lead-out wires are welded on two contacts of the light source board 20, and then the lead-out wires penetrate through the wire outlet holes 44 of the fixing piece 40, and then the circuit board 30 and the fixing piece 40 are respectively matched and fixed at the end part of the base frame 10.

Example two;

referring to fig. 4-5, the difference between this embodiment and the first embodiment is that a set of fixing holes is reserved near the head 31 of the circuit board 30, a pair of elastic conductive sheets 47 is fixedly connected to the fixing holes, and the elastic conductive sheets 47 can be elastically clamped to the contacts 70 in an expanding manner, so as to distinguish the manner of contact between the contacts 70 and the conductive portions reserved on the circuit board 30 in the first embodiment, and therefore, a worker needs to perform quick spot welding to ensure that the joint is stable, in this embodiment, the contacts 70 are clamped by the elastic conductive sheets 47, so that the connection is stable and firm, during installation, the worker only needs to press the circuit board 30 downwards, and rotate a circle to check whether the contacts 70 are inserted into the elastic conductive sheets 47, and therefore, the operation is convenient, and the stability is better.

Meanwhile, it is preferable that the elastic conductive sheet 47 integrally includes a connection portion 471, a chamfered portion 472 and an attaching portion 473, the connection portion 471 is used for fixing at the bottom of the circuit board 30, the attaching portion 473 forms a loop structure on the upper side, and the lower side is connected with the connection portion 471 through the chamfered portion 472; the design of the clip structure can improve the strength of the attaching part 473, and the attaching part 473 is not easy to deform during long-time clamping, and meanwhile, due to the design of the chamfer, the contact 70 can be conveniently inserted into the elastic conducting plate 47 better, and the connection rapidity is improved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An led lamp tube, comprising:

the light source module comprises a base frame, a plurality of light source plates and a plurality of light emitting plates, wherein the periphery of the base frame is provided with the light source plates to form a plurality of light emitting surfaces;

the circuit board is arranged at the end part of the base frame, the circuit board is provided with a plurality of head parts which correspond to the light source boards one by one, the head parts are connected in series and conducted, and the light source boards are provided with contacts which are electrically connected with the head parts;

the fixing piece is detachably fixed at the end part of the base frame and used for pressing and fixing the circuit board at the end part of the base frame.

2. An led lamp tube as claimed in claim 1, wherein the fixing member has an open slot formed at one end thereof, the end of the base frame is disposed in the slot, a plurality of connection posts are fixed in the slot, a press-connection plane is formed between the connection posts, the press-connection plane is used for pressing the circuit board against the end of the base frame, the connection posts and the base frame are provided with first connection holes, and the fixing member is provided with a predetermined wire outlet.

3. An led lamp as claimed in claim 2, wherein the circuit board forms a concave curved portion between adjacent heads, the curved portion being adapted to avoid the first connection hole.

4. An led lamp tube according to claim 1, further comprising a lampshade and a plug, wherein the lampshade is a cylindrical tube made of transparent material, the lampshade is sleeved outside the base frame, the plug is fixedly installed on the outer side of the fixing member, and the end portions of the lampshade are respectively engaged and clamped in the plugs on both sides.

5. An led lamp as claimed in claim 1, wherein the circuit board has a set of fixing holes reserved near the head, and a pair of elastic conductive sheets are fixedly connected to the fixing holes, and the elastic conductive sheets can be opened and elastically clamped on the contacts.

6. An LED lamp tube as claimed in claim 5, wherein the elastic conductive sheet integrally comprises a connecting portion, a chamfered portion and a fitting portion, the connecting portion is used for fixing to the bottom of the circuit board, the fitting portion has a top side with a square-shaped configuration, and the bottom side is connected to the connecting portion via the chamfered portion.