CN202252992U

CN202252992U - Light emitting diode (LED) lamp

Info

Publication number: CN202252992U
Application number: CN2011203349389U
Authority: CN
Inventors: 曾智宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-08
Filing date: 2011-09-08
Publication date: 2012-05-30
Anticipated expiration: 2021-09-08

Abstract

The utility model discloses a light emitting diode (LED) lamp, which comprises a tube body, a printed circuit board (PCB) which is positioned in the tube body and provided with a plurality of LEDs and an external module arranged at the end of the tube body, wherein a circuit electrically connected with the plurality of LEDs is arranged on the PCB and has a connection region electrically connected with an external power supply on the PCB; the external module comprises an end cover, a metal connection elastic sheet and a conductive column; the metal connection elastic sheet is positioned in the end cover; an insertion slot is formed at one end of the metal connection elastic sheet; an elastic contact part is arranged at the other end of the metal connection elastic sheet; the elastic contact part is elastically pressed against the connection region on the PCB; and one end of the conductive column is embedded into the insertion slot of the metal connection elastic sheet in a contact manner, and the other end of the conductive column extends out of the end cover. Therefore, the power supply is electrically connected with the circuit on the PCB; and the LED lamp is convenient to assemble, is favorable for automatic production and is high in production efficiency and high in yield rate.

Description

The LED light fixture

Technical field

The utility model relates to the field of light fittings technology, refers in particular to a kind of light fixture of LED fast easy to assembly.

Background technology

Along with the continuous development of semiconductor and electronic technology, LED is with its superior energy-efficient performance and receive consumer's welcome longer service life.

At present, the LED fluorescent lamp mainly includes body, be arranged in this body and be provided with the pcb board of a plurality of LED lamps, wherein; Have the circuit that is electrically connected with aforementioned a plurality of LED lamps on this pcb board, this circuit has the bonding pad that forms electric connection with external power source on pcb board, in the prior art is usually to utilize weldering to establish a lead to realize being electrically connected between aforementioned bonding pad and external power source; Therefore; Comparatively trouble is with inconvenient in assembling, and its production efficiency and production cost are corresponding also higher, and; Failure welding takes place even phenomenon such as come off in this welding lead easily, has had a strong impact on the quality and the service life of LED fluorescent lamp.

By this, need work out a kind of new technical scheme and solve the problems referred to above.

The utility model content

In view of this, the utility model is to the disappearance of prior art existence, and its main purpose provides a kind of LED light fixture, and it is easy to assembly, helps adopting automated production, and production efficiency is high, and its yield rate is high.

For realizing above-mentioned purpose, the utility model adopts following technical scheme:

A kind of LED light fixture; Include body, be arranged in this body and be provided with the pcb board of a plurality of LED lamps and be installed on the external connection module of body end; Wherein, Have the circuit that is electrically connected with aforementioned a plurality of LED lamps on this pcb board, this circuit has the bonding pad that forms electric connection with external power source on pcb board; This external connection module includes end cap, metal connects shell fragment and conductive pole; Wherein, this metal connects shell fragment and is positioned at end cap, and this metal connects shell fragment one end and be provided with inserting groove, and its other end is provided with elastic contact part, and this elastic contact part elasticity presses on the bonding pad on the aforementioned pcb board; This conductive pole one termination touch is embedded in metal and connects in the inserting groove of shell fragment, and its other end stretches out outside the end cap.

As a kind of preferred version; Said metal connects the L-shaped structure of shell fragment; Include and be parallel to the first axial connecting plate of light-emitting diode body and perpendicular to second connecting plate of this first connecting plate; Aforementioned elastic contact part extends obliquely from this first connecting plate front-end edge and forms, and this second connecting plate front end face axially convexes with branch sleeve along body, and aforementioned inserting groove is positioned at this branch sleeve and is opened on this second connecting plate rear end face.

As a kind of preferred version, said inserting groove is gradually little structure forward from the second connecting plate rear end face.

As a kind of preferred version; Said body includes radiating seat and the lampshade that is fastened and connected each other; These radiating seat both sides are formed with the draw-in groove of opening toward the outer side respectively, and these lampshade both sides are respectively arranged with the fixture block that extends to form towards lampshade inside, and this fixture block buckles in the corresponding draw-in groove.

As a kind of preferred version, said radiating seat bottom surface is provided with mounting groove, and aforementioned pcb board is installed in this mounting groove.

As a kind of preferred version, said mounting groove is along the convex structure that is handstand perpendicular to the axial cross section of body.

As a kind of preferred version; Further be equipped with dust cap; Aforementioned end cap offers first locating hole, and correspondence offers second locating hole on the aforementioned dust cap, offers locking hole on the preceding said radiating seat; Be provided with a screw and pass first locating hole, second locating hole successively and be screwed together in the locking hole, aforementioned end cap, dust cap compression type are installed on the body end.

As a kind of preferred version, said end cap inboard convexes with positioning convex column, and aforementioned first locating hole runs through this positioning convex column end face and end cap outer face, is formed with the location division on the aforementioned metal connection shell fragment, and this location division is placed in this positioning convex column outside.

The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:

One, connect shell fragment one end elasticity through metal and press on the electric connection district on the pcb board, its other end then is electrically connected with the conductive pole plug-in type, realizes the electric connection of circuit on power supply and the pcb board thus; It is easy to assembly; Help adopting automated production, production efficiency is high, need not to adopt traditional welding procedure; Avoided occurring problems such as failure welding, and its yield rate is high;

Two, be provided with dust cap, can prevent effectively that dust etc. from getting into this LED lamp interior, the inner member of LED light fixture is played a very good protection, help prolonging the service life of LED light fixture.

Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.

Description of drawings

Fig. 1 is the solid assembling sketch map of the preferred embodiment of the utility model;

Fig. 2 is the decomposing schematic representation of the preferred embodiment of the utility model;

Fig. 3 is the local enlarged diagram among Fig. 2;

Fig. 4 is another decomposing schematic representation of the preferred embodiment of the utility model;

Fig. 5 is the schematic partial cross-sectional view at M-M place among Fig. 1.

The accompanying drawing identifier declaration:

10, body 11, radiating seat

111, draw-in groove 112, mounting groove

113, locking hole 121, fixture block

12, lampshade 20, pcb board

30, LED lamp 40, external connection module

41, end cap 411, first locating hole

42, metal connects shell fragment 421, location division

422, elastic contact part 423, branch sleeve

424, inserting groove 43, conductive pole

50, dust cap 51, second locating hole

60, screw.

The specific embodiment

Please referring to figs. 1 through shown in Figure 5; It has demonstrated the concrete structure of the preferred embodiment of the utility model; Include body 10, be arranged in this body 10 and be provided with the pcb board 20 of a plurality of LED lamps 30 and be installed on the external connection module 40 of body 10 ends; Wherein, have the circuit that is electrically connected with aforementioned a plurality of LED lamps 30 on this pcb board 20, this circuit has the bonding pad that forms electric connection with external power source on pcb board 20.

This external connection module 40 includes end cap 41, metal connects shell fragment 42 and conductive pole 43; Wherein, This metal connects shell fragment 42 and is positioned at end cap 41; Through convexing with the positioning convex column (not shown) in these end cap 41 inboards and on metal connection shell fragment 42, being formed with location division 421, this location division 421 is placed in the aforementioned positioning convex column outside and positions so that this metal is connected shell fragment 42; This metal connects shell fragment 42 L-shaped structures; Include and be parallel to the first axial connecting plate of light-emitting diode body 10 and perpendicular to second connecting plate of this first connecting plate; Extend to form flexible contact site 422 obliquely from this first connecting plate front-end edge, these elastic contact part 422 elasticity press on the bonding pad on the aforementioned pcb board 20; This second connecting plate front end face axially convexes with branch sleeve 423 along body 10; Be formed with inserting groove 424 in this branch sleeve 423; And this inserting groove 424 is opened on this second connecting plate rear end face, and in present embodiment, this inserting groove 424 is gradually little structure forward from the second connecting plate rear end face; Aforementioned conductive pole 43 1 termination touches are embedded in this inserting groove 424, and its other end stretches out outside the end cap 41.

This body 10 includes the radiating seat 11 and lampshade 12 that is fastened and connected each other; These radiating seat 11 both sides are formed with the draw-in groove 111 of opening toward the outer side respectively; And these lampshade 12 both sides are respectively arranged with the fixture block 121 that extends to form towards lampshade 12 inside, and this fixture block 121 buckles in the corresponding draw-in groove 111.

These radiating seat 11 bottom surfaces are provided with mounting groove 112; This mounting groove 112 is along the convex structure that is handstand perpendicular to body 10 axial cross sections, and aforementioned pcb board 20 is installed in this mounting groove 112, during assembling; Only need insert pcb board 20 to install put in the groove 112 from radiating seat 11 1 ends and get final product, and are very convenient.

Further be equipped with dust cap 50; This dust cap 50 is that compression type is installed in the end cap 41; Particularly, aforementioned end cap 41 offers first locating hole 411, and correspondence offers second locating hole 51 on the aforementioned dust cap 50; Offer locking hole 113 on the aforementioned radiating seat 11, be provided with a screw 60 and pass first locating hole 411, second locating hole 51 successively and be screwed together in the locking hole 113.

Below, the assembling process of the LED light fixture of summary present embodiment:

One, assembling body 10 and pcb board 20: the pcb board 20 that will be provided with a plurality of LED lamps 30 is fastened and connected lampshade 12 and radiating seat 11 in radiating seat 11 distolateral insertion mounting grooves 112 again;

Two, assembling external connection module 40: the positioning convex column that metal is connected shell fragment 42 corresponding end caps 41 end cap 41 inside of packing into embed metal with conductive pole 43 from end cap 41 outsides and connect in the inserting groove 424 of shell fragment 42

Three, the external connection module 40 at locking body 10 two ends: utilize screw 60 that external connection module 40, dust cap 50 and radiating seat 11 are locked in together.

The design focal point of the utility model is that main system connects shell fragment one end elasticity through metal and presses on the electric connection district on the pcb board, and its other end then is electrically connected with the conductive pole plug-in type; Realize the electric connection of circuit on power supply and the pcb board thus, it is easy to assembly, helps adopting automated production; Production efficiency is high; Need not to adopt traditional welding procedure, avoided occurring problems such as failure welding, and its yield rate is high; Next is, is provided with dust cap, can prevent effectively that dust etc. from getting into this LED lamp interior, and the inner member of LED light fixture is played a very good protection, and helps prolonging the service life of LED light fixture.

The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme trickle modification, equivalent variations and modification that above embodiment did.

Claims

1. LED light fixture; Include body, be arranged in this body and be provided with the pcb board of a plurality of LED lamps and be installed on the external connection module of body end; Wherein, Have the circuit that is electrically connected with aforementioned a plurality of LED lamps on this pcb board, this circuit has the bonding pad that forms electric connection with external power source on pcb board, it is characterized in that:

This external connection module includes end cap, metal connects shell fragment and conductive pole; Wherein, this metal connects shell fragment and is positioned at end cap, and this metal connects shell fragment one end and be provided with inserting groove, and its other end is provided with elastic contact part, and this elastic contact part elasticity presses on the bonding pad on the aforementioned pcb board; This conductive pole one termination touch is embedded in metal and connects in the inserting groove of shell fragment, and its other end stretches out outside the end cap.

2. LED light fixture according to claim 1; It is characterized in that: said metal connects the L-shaped structure of shell fragment; Include and be parallel to the first axial connecting plate of light-emitting diode body and perpendicular to second connecting plate of this first connecting plate; Aforementioned elastic contact part extends obliquely from this first connecting plate front-end edge and forms, and this second connecting plate front end face axially convexes with branch sleeve along body, and aforementioned inserting groove is positioned at this branch sleeve and is opened on this second connecting plate rear end face.

3. LED light fixture according to claim 2 is characterized in that: said inserting groove is gradually little structure forward from the second connecting plate rear end face.

4. LED light fixture according to claim 1; It is characterized in that: said body includes radiating seat and the lampshade that is fastened and connected each other; These radiating seat both sides are formed with the draw-in groove of opening toward the outer side respectively; And these lampshade both sides are respectively arranged with the fixture block that extends to form towards lampshade inside, and this fixture block buckles in the corresponding draw-in groove.

5. LED light fixture according to claim 4 is characterized in that: said radiating seat bottom surface is provided with mounting groove, and aforementioned pcb board is installed in this mounting groove.

6. LED light fixture according to claim 5 is characterized in that: said mounting groove is along the convex structure that is handstand perpendicular to the axial cross section of body.

7. LED light fixture according to claim 4; It is characterized in that: further be equipped with dust cap; Aforementioned end cap offers first locating hole, and correspondence offers second locating hole on the aforementioned dust cap, offers locking hole on the preceding said radiating seat; Be provided with a screw and pass first locating hole, second locating hole successively and be screwed together in the locking hole, aforementioned end cap, dust cap compression type are installed on the body end.

8. LED light fixture according to claim 7; It is characterized in that: said end cap inboard convexes with positioning convex column; Aforementioned first locating hole runs through this positioning convex column end face and end cap outer face, is formed with the location division on the aforementioned metal connection shell fragment, and this location division is placed in this positioning convex column outside.