CN104482465A - LED (light emitting diode) panel lamp and frame thereof - Google Patents

LED (light emitting diode) panel lamp and frame thereof Download PDF

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Publication number
CN104482465A
CN104482465A CN201410795452.3A CN201410795452A CN104482465A CN 104482465 A CN104482465 A CN 104482465A CN 201410795452 A CN201410795452 A CN 201410795452A CN 104482465 A CN104482465 A CN 104482465A
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CN
China
Prior art keywords
grafting arm
jack
frame
arm
inwall
Prior art date
Application number
CN201410795452.3A
Other languages
Chinese (zh)
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CN104482465B (en
Inventor
陈荣生
陈和生
陈耀卫
张宏庭
许正杭
Original Assignee
安徽泽润光电有限公司
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Priority to CN201410795452.3A priority Critical patent/CN104482465B/en
Publication of CN104482465A publication Critical patent/CN104482465A/en
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Publication of CN104482465B publication Critical patent/CN104482465B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/03Lighting devices intended for fixed installation of surface-mounted type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/04Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00Point-like light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The invention discloses an LED (light emitting diode) panel lamp and a frame thereof. The frame is spliced by two first frame section bars and two second frame section bars through four corner joints; the two second frame section bars are arranged oppositely, each corner joint is provided with a first plugging arm and a second plugging arm; the root part of each first plugging arm is connected with the corresponding second plugging arm, the head part of each first plugging arm is inserted into a first jack of the corresponding first frame sections bar, the top of each first plugging arm and the top inner wall of the corresponding first jack are provided with at least three contacts which are not in the same line, and the bottom of each first plugging arm and the bottom inner wall of the corresponding first jack are provided with at least three contacts which are not in the same line; the head part of each second plugging arm is inserted into a second jack of the corresponding second section bar, and is connected with the same method; the root part of each first plugging arm is larger than the head part of the first plugging arm, and the root part of each second plugging arm is larger than the head part of the second plugging arm. The LED panel lamp and the frame thereof adopting the technical scheme have the advantages that the structure is simple and reasonable, the assembly and debugging are convenient, the yield is high, and the productivity is high.

Description

LED panel lamp and frame thereof

Technical field

The invention belongs to field of illuminating lamps, particularly relate to a kind of LED panel lamp and frame thereof.

Background technology

Light emitting diode is as luminescent device, more and more extensive in field of illuminating lamps application.It is low that LED has power consumption, and luminous intensity is large, and the advantages such as energy-conserving and environment-protective, compare the conventional lamp such as incandescent lamp and fluorescent lamp, are more and more subject to the preference of user.At family's lighting field, LED lamp affixed to the ceiling is more and more universal.

The LED panel lamp of light guide plate is adopted in prior art, texture is laid in the one side of light guide plate, as being with silk-screen texture, frosted texture or concavo-convex texture, one deck reflector layer is covered in the band texture face of light guide plate, then one deck diffusion layer is covered in the texture face of not being with of light guide plate, adopt four limit aluminum alloy extrusion section bars to be spliced to form frame, light guide plate assembly is placed in frame and light guide plate side placement LED lamp bar.But current LED panel lamp structure, assembly and adjustment difficulty, production efficiency is low, and face luminescence is even not, and easily produce light leak, hot spot and shadow, yields is low, and homogeneity of product is poor, and service life is low.

Publication number be CN203162774U patent document discloses a kind of ultra thin LED flat lamp, comprise the light fixture frame with step be spliced by aluminum alloy extrusion section bar, with the diffuser plate set gradually on step, light guide plate, reflective membrane, elastic buffer plate and backboard, and be arranged on the LED lamp bar of light guide plate side, in described aluminum alloy extrusion section bar cross section, there is rectangular through-hole, each section bar end face is 45 ° of tangent planes, is spliced into rectangle light fixture frame by the L shape connector be arranged in rectangular through-hole; Described L shape connector is by screw fastened by screw on the step of the aluminum alloy extrusion section bar back side.Four angles of light guide plate all there is notch cuttype breach, four mating shapes locating pieces with it are respectively placed in the space formed with frame corner, by locating piece, the gap between the LED in light guide plate side incidence surface and LED lamp bar is remained unchanged, one groove is arranged at locating piece top, and the space that itself and backboard are formed is for pushing down the output line that LED lamp bar is stretched out.In said structure, frame is first spliced to form by L shape connector by section bar, L shape connector and section bar are fixed by screw, and then diffuser plate, light guide plate, reflective membrane, elastic buffer plate to be placed in from top to bottom one by one in frame framework and to be compressed by backboard, such assembly and adjustment difficulty, production efficiency is low.And under actual production conditions, this frame connecting method ubiquity stitching error, and LED lamp bar and coordinating of frame groove also must leave fit-up gap, otherwise can cause cannot assembling or the damage of lamp bar, this fit-up gap can cause larger illumination effect difference and quality problems; Elasticity locating piece also can only carry out simply spacing to light guide plate, and cannot light guide plate and LED lamp bar accurately be located, namely cannot guarantee the gap between the LED in light guide plate side incidence surface and LED lamp bar, also cannot guarantee that the centre-height of LED in LED lamp bar is consistent with the centre-height of the side incidence surface of light guide plate.Therefore light-emitting area luminescence cannot still thoroughly be solved even not, the problems such as easily produce light leak, hot spot and shadow, yields is low, and homogeneity of product is poor.

Publication number be CN2916343Y patent document discloses a kind of LED illumination lamp, the aluminium base coating heat-conducting glue is inserted in the groove of frame, after frame is put circuit board, be enclosed within diffusion layer, light guide plate and reflector layer again, circuit board is made to be in the groove of frame, be affixed with the one side of aluminium base not with heat-conducting glue, and diffusion layer, light guide plate and reflector layer are clamped by frame; Also have two pieces of shell fragments between circuit board and frame, the assembly in frame can not be slided in groove; Again cramp is placed in the draw-in groove of frame, another frame is placed on cramp, cramp is placed in draw-in groove corresponding with it on this frame, other two frames is also used the same method and installs, finally aluminum soleplate screw is arranged on the bottom of frame.In said structure, LED circuit board (lamp bar) and aluminium base can only be inserted into the other end in the frame groove of shape of peripheral frame one end, plug-in mounting difficulty, larger fit-up gap must be left, otherwise can cause cannot assembling or the damage of lamp bar, larger fit-up gap can cause larger illumination effect difference and quality problems, and adopt shell fragment only circuit board can be fixed in frame groove, circuit board still relies on manual-alignment to locate, the gap between the LED in light guide plate side incidence surface and LED lamp bar cannot be guaranteed, also cannot guarantee that the centre-height of LED in LED lamp bar is consistent with the centre-height of the side incidence surface of light guide plate.Shape of peripheral frame adopts cramp splicing, not only needs to offer draw-in groove on shape of peripheral frame, and operation easier is large, poor accuracy, and this cramp and draw-in groove coordinate defective tightness, easily loosen.Therefore also cannot thoroughly solve assembly and adjustment difficulty, production efficiency is low, and face luminescence is even not, the problems such as easily produce light leak, hot spot and shadow, yields is low, and homogeneity of product is poor, and service life is low.

Publication number is the aluminium extruding structure that patent document discloses a kind of LED flat plate lamp socket of CN202868589U, and it includes lamp holder body, and this lamp holder body is one-time formed aluminium extruding structure, and this aluminium extruding structure comprises buckling parts, support portion and radiating part; Buckling parts is provided with the second resistance district that first of location diffuser plate resists district and location light guide plate; Support portion is provided with rib with the weight of supporting diffusion plate and light guide plate, and be combined the groove being formed and clamp diffuser plate and light guide plate with buckling parts, the bottom of groove is the LED light source fitting portion of accommodating LED wafer and circuit board simultaneously.In said structure, LED circuit board (lamp bar) can only be inserted into the other end equally in the frame groove of shape of peripheral frame one end, plug-in mounting difficulty, larger fit-up gap must be left, otherwise can cause cannot assembling or the damage of lamp bar, larger fit-up gap can cause larger illumination effect difference and quality problems, the gap between the LED in light guide plate side incidence surface and LED lamp bar cannot be guaranteed equally, also cannot guarantee that the centre-height of LED in LED lamp bar is consistent with the centre-height of the side incidence surface of light guide plate.

Summary of the invention

In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of LED panel lamp and frame thereof, simple and reasonable, assembly and adjustment is convenient, and yields is high, and production efficiency is high.

To achieve the above object, present invention employs following technical scheme:

Frame, be spliced to form by four angle connectors by two the first shape of peripheral frame bars and two Second Edge frame section bars, two Second Edge frame section bars are oppositely arranged, and it is characterized in that, described first shape of peripheral frame bar is formed with the first jack, and described Second Edge frame section bar is formed with the second jack; Described angle connector has the first grafting arm and the second grafting arm: the root of the first grafting arm is connected with the second grafting arm, the head of the first grafting arm inserts the first jack of the first shape of peripheral frame bar, and, the top of the first grafting arm and the top inner wall of the first jack have at least three not contact points on the same line, and the bottom of the first grafting arm and the bottom interior wall of the first jack have at least three not contact points on the same line; The root of the second grafting arm is connected with the first grafting arm, the head of the second grafting arm inserts the second jack of Second Edge frame section bar, and, the top of the second grafting arm and the top inner wall of the second jack have at least three not contact points on the same line, and the bottom of the second grafting arm and the bottom interior wall of the second jack have at least three not contact points on the same line; Wherein, the root of the first grafting arm is larger than head, and the root of the second grafting arm is larger than head.

As preferably, the first grafting arm of described angle connector is mutually vertical with the second grafting arm.

As preferably, the width of the width of described first grafting arm roots and the first jack of the first shape of peripheral frame bar matches; The width of the width of the root of the second grafting arm and the second jack of Second Edge frame section bar matches.

As preferably, described angle connector is sheet metal forming part; Upwards arch upward in the centre of the first grafting arm, first contact surface that can offset with the inwall of the first jack is formed on the top that the first grafting arm arches upward, the head of the first grafting arm is provided with to the first convex protuberance that has a downwarp, the first protuberance to stick up convex direction contrary with the direction of insertion of the first grafting arm thus can increase the resistance that the first grafting arm deviates from from the first jack; When the first grafting arm inserts the first jack of the first shape of peripheral frame bar, the root of the first grafting arm and the first protuberance offset with the side inwall of the first jack respectively, and the first contact surface of the first grafting arm and the opposite side inwall of the first jack offset; Upwards arch upward in the centre of described second grafting arm, second contact surface that can offset with the inwall of the second jack is formed on the top that the second grafting arm arches upward, the head of the second grafting arm is provided with to the second convex protuberance that has a downwarp, the second protuberance to stick up convex direction contrary with the direction of insertion of the second grafting arm thus can increase the resistance that the second grafting arm deviates from from the second jack; When the second grafting arm inserts the second jack of Second Edge frame section bar, the root of the second grafting arm and the second protuberance offset with the side inwall of the second jack respectively, and the second contact surface of the second grafting arm and the opposite side inwall of the second jack offset.

Or preferably, described angle connector is sheet metal forming part; Upwards arch upward in the centre of the first grafting arm, first contact surface that can offset with the inwall of the first jack is formed on the top that the first grafting arm arches upward; When the first grafting arm inserts the first jack of the first shape of peripheral frame bar, the root of the first grafting arm and head offset with the side inwall of the first jack respectively, and the first contact surface of the first grafting arm and the opposite side inwall of the first jack offset; Upwards arch upward in the centre of described second grafting arm, second contact surface that can offset with the inwall of the second jack is formed on the top that the second grafting arm arches upward; When the second grafting arm inserts the second jack of Second Edge frame section bar, the root of the second grafting arm and head offset with the side inwall of the second jack respectively, and the second contact surface of the second grafting arm and the opposite side inwall of the second jack offset.

Or preferably, described angle connector is sheet metal forming part; The upper surface of the first grafting arm is provided with not at least three the first convex protuberances of tilting upward on the same line, the first protuberance to stick up convex direction contrary with the direction of insertion of the first grafting arm thus can increase the resistance that the first grafting arm deviates from from the first jack; When the first grafting arm inserts the first jack of the first shape of peripheral frame bar, the side inwall of the first grafting arm lower surface and the first jack offsets, and the first protuberance of the first grafting arm and the opposite side inwall of the first jack offset; The upper surface of described second grafting arm is provided with not at least three the second convex protuberances of tilting upward on the same line, the second protuberance to stick up convex direction contrary with the direction of insertion of the second grafting arm thus can increase the resistance that the second grafting arm deviates from from the second jack; When the second grafting arm inserts the second jack of Second Edge frame section bar, the lower surface of the second grafting arm and the side inwall of the second jack offset, and the second protuberance of the second grafting arm and the opposite side inwall of the second jack offset.

As preferably, described Second Edge frame section bar comprises profiled body, the second jack is formed in profiled body, the upper and lower of profiled body extends to form the first extension edge and the second extension edge respectively to scuncheon, the bottom of the first extension edge is formed with first and appears on the stage terrace, second terrace and the 3rd of appearing on the stage is appeared on the stage terrace, first terrace of appearing on the stage to be appeared on the stage terrace lower than second, second terrace of appearing on the stage to be appeared on the stage terrace lower than the 3rd, the top of the second extension edge is formed with the first leave from office terrace, second leave from office terrace and the 3rd leave from office terrace, first leave from office terrace is higher than the second leave from office terrace, second leave from office terrace is higher than the 3rd leave from office terrace, first leave from office terrace and first terrace of appearing on the stage is up and down corresponding thus form grasping part between the two, second leave from office terrace and second terrace of appearing on the stage is up and down corresponding thus form located space between the two, 3rd leave from office terrace and the 3rd terrace of appearing on the stage is up and down corresponding thus form lamp article groove between the two, grasping part, located space and lamp bar groove outwards set gradually from scuncheon.

Further preferably, the bottom of the profiled body of described Second Edge frame section article has extended to form the 3rd extension edge downwards, mounting bracket on the 3rd extension edge of two Second Edge frame sections article.

Further preferably, described first shape of peripheral frame bar is identical with described Second Edge frame section bar structure.

A kind of LED panel lamp, comprise frame, LED lamp bar, diffuser plate, light guide plate, reflecting layer and backboard, described frame is upper described frame, the left and right sides of described diffuser plate, light guide plate, reflecting layer and backboard is clamped by two Second Edge frame section bars respectively, and the both sides, front and back of described diffuser plate, light guide plate, reflecting layer and backboard are clamped by two the first shape of peripheral frame bars respectively.

The present invention, owing to have employed above technical scheme, adopts the angle connector of multiple spot CONTACT WITH FRICTION fastening to carry out being spliced to form frame, splicing construction advantages of simple between four shape of peripheral frame bars, ease of assembly is debugged, ensure that product optical effect and uniformity, yields is high, and production efficiency is high.Avoid in prior art adopt corner brace and screw to be connected to form labour intensity that frame exists is large, fit dimension precision is low, be inconvenient to problems such as adjusting, production efficiency is low.

Accompanying drawing explanation

Fig. 1 is the explosive view of LED panel lamp of the present invention;

Fig. 2 be locating piece with LED lamp bar coordinate one of schematic diagram;

Fig. 3 be locating piece with LED lamp bar coordinate schematic diagram two;

Fig. 4 is the structural representation of LED panel lamp of the present invention;

Fig. 5 is the schematic diagram of LED lamp bar mounting structure;

Fig. 6 is the schematic cross-section of Second Edge frame section bar;

Fig. 7 is first embodiment of angle connector;

Fig. 8 is second embodiment of angle connector;

Fig. 9 is the 3rd embodiment of angle connector.

Detailed description of the invention

Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.

In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more, unless otherwise clear and definite restriction.

In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.

A kind of LED panel lamp as Figure 1 and Figure 4, comprise frame, LED lamp bar 7, diffuser plate 3, light guide plate 4, reflecting layer 5 and backboard 8, described frame is spliced to form by four angle connectors 2 by two the first shape of peripheral frame bars 11 and two Second Edge frame section bars 12, and two Second Edge frame section bars 12 are oppositely arranged; Described first shape of peripheral frame bar 11 is formed with the first jack;

Second Edge frame section bar 12 as shown in Figure 6, comprise profiled body 121, the second jack 1210 is formed in profiled body 121, the upper and lower of profiled body 121 extends to form the first extension edge 123 and the second extension edge 124 respectively to scuncheon, the bottom of the first extension edge 123 is formed with first and appears on the stage terrace 1231, second terrace 1232 and the 3rd of appearing on the stage is appeared on the stage terrace 1233, first terrace 1231 of appearing on the stage to be appeared on the stage terrace 1232 lower than second, second terrace 1232 of appearing on the stage to be appeared on the stage terrace 1233 lower than the 3rd, the top of the second extension edge 124 is formed with the first leave from office terrace 1241, second leave from office terrace 1242 and the 3rd leave from office terrace 1243, first leave from office terrace 1241 is higher than the second leave from office terrace 1242, second leave from office terrace 1242 is higher than the 3rd leave from office terrace 1243, first leave from office terrace 1241 and first terrace about 1231 of appearing on the stage is corresponding thus form grasping part between the two, second leave from office terrace 1242 and second terrace about 1232 of appearing on the stage is corresponding thus form located space between the two, 3rd leave from office terrace 1243 and the 3rd terrace about 1233 of appearing on the stage is corresponding thus form lamp article groove between the two, grasping part, located space and lamp bar groove outwards set gradually from scuncheon, the left side of the first extension edge 123 is formed with the first clamping chimb 1234, the left side of the second extension edge 124 is formed with the second clamping chimb 1244, first and clamps chimb 1234 and the second clamping chimb about 1244 and stagger and arrange thus reliable retention location light guide plate assembly together with coordinating with grasping part, the bottom of the profiled body 121 of described Second Edge frame section articles 12 has extended to form the 3rd extension edge 122 downwards, mounting bracket 10 on 3rd extension edge 122 of two Second Edge frame sections articles 12, power pack 9 is arranged on the first adjacent shape of peripheral frame bar 11 with on Second Edge frame section bar 12.Described first shape of peripheral frame bar 11 is identical with described Second Edge frame section bar 12 structure, and both are all aluminium section bar, and said structure is all section bar straight forming structure, do not need to go processing again, not only convenient processing assembling, and positional precision is also more accurate.

LED lamp bar mounting structure as shown in Figure 5, described LED lamp bar 7 is plugged in described lamp bar groove, the back side of LED lamp bar 7 againsts profiled body 121, the front fixed L ED lamp 71 of LED lamp bar 7, as shown in Figure 2 and Figure 3, the two in LED lamp bar 7 front is respectively connected with a positioning block 6, and the back side of locating piece 6 is provided with two positioning convex 63, two positioning convex 63 are located with two locating holes 72 grafting being located at LED lamp bar 7 front, and locating piece 6 is tightly fixed in described located space; The front of described locating piece 6 is provided with groove 62, and light guide plate 4 side is inserted in the groove 62 of locating piece 6.Described locating piece 6 is working of plastics, has higher fit dimension precision and certain degree of deformability, can ensure higher positioning precision and tight fit degree.

Angle connector 2 as shown in Fig. 7, Fig. 8, Fig. 9, there is the first grafting arm 21 be connected with the second grafting arm 22 with the root of the second grafting arm 22: the first grafting arm 21, the head of the first grafting arm 21 inserts the first jack of the first shape of peripheral frame bar 11, and, the top of the first grafting arm 21 and the top inner wall of the first jack have at least three not contact points on the same line, and the bottom of the first grafting arm 21 and the bottom interior wall of the first jack have at least three not contact points on the same line; The root of the second grafting arm 22 is connected with the first grafting arm 21, the head of the second grafting arm 22 inserts the second jack 1210 of Second Edge frame section bar 12, and, the top of the second grafting arm 22 and the top inner wall 1211 of the second jack 1210 have at least three not contact points on the same line, and the bottom of the second grafting arm 22 and the bottom interior wall 1212 of the second jack 1210 have at least three not contact points on the same line; Wherein, the root of the first grafting arm 21 is larger than head, and the root of the second grafting arm 22 is larger than head, and head has guide effect, and convenient grafting coordinates and adjustment.First grafting arm 21 of described angle connector 2 is mutually vertical with the second grafting arm 22, and, the width of the width of the first grafting arm 21 root and the first jack of the first shape of peripheral frame bar 11 matches, namely the dual-side of the first grafting arm 21 root coordinates with the both sides inwall of the first jack of the first shape of peripheral frame bar 11 and locates, such first grafting arm 21 root and the first jack not only have to locate in the vertical direction to be fixed, and it is fixing to have location in the lateral direction too; Similarly, the width of the width of the root of the second grafting arm 22 and the second jack 1210 of Second Edge frame section bar 12 matches, the root of such second grafting arm 22 and the second jack not only have to locate in the vertical direction to be fixed, and it is fixing to have location in the lateral direction too; Thus achieve grafting arm roots lateral register and right angle splicing effect, further ensure that the rectangular shaped that frame splices and firmness.Described angle connector 2 is sheet metal forming part, easy to process and can ensure the structure precision on angle connector.

First embodiment for angle connector of the present invention shown in Fig. 7: upwards arch upward in the centre of the first grafting arm 21, first contact surface 212 that can offset with the inwall of the first jack is formed on the top that the first grafting arm 21 arches upward, the head both sides of the first grafting arm 21 be respectively provided with one to the first convex protuberance 211, first protuberance 211 that has a downwarp to stick up convex direction contrary with the direction of insertion of the first grafting arm 21 thus can increase the resistance that the first grafting arm 21 deviates from from the first jack; When the first grafting arm 21 inserts the first jack of the first shape of peripheral frame bar 11, the root 213 of the first grafting arm 21 and the first protuberance 211 offset with the side inwall of the first jack respectively, and the first contact surface 212 of the first grafting arm 21 and the opposite side inwall of the first jack offset; Upwards arch upward in the centre of described second grafting arm 22, second contact surface 222 that can offset with the inwall of the second jack is formed on the top that the second grafting arm 22 arches upward, the head both sides of the second grafting arm 22 be respectively provided with one to the second convex protuberance 221, second protuberance 221 that has a downwarp to stick up convex direction contrary with the direction of insertion of the second grafting arm 22 thus can increase the resistance that the second grafting arm 22 deviates from from the second jack 1210; When the second grafting arm 22 inserts the second jack 1210 of Second Edge frame section bar 12, the root 223 of the second grafting arm 22 and the second protuberance 221 offset with the side inwall of the second jack 1210 respectively, and the second contact surface 222 of the second grafting arm 22 and the opposite side inwall of the second jack 1210 offset.Like this, the arch distortion that grafting arm is formed by punching press is connected with jack inwall swelling fastening respectively with to the convex protuberance that has a downwarp, and the protuberance of punching press formation has elasticity and inverted tooth-like effect, grafting arm is easily inserted and not easily throws off and fully ensure that and be connected firmly.In order to ensure to connect reliably further, protuberance is preferably face with jack inwall and contacts; Conveniently grafting adjustment in early stage and later stage fixation, the tension force that the tension force that the protuberance of grafting arm, arch upward top contact and root three and jack inwall are formed will be formed much larger than protuberance and the top contact that arches upward with jack inwall.

Shown in Fig. 8 is second embodiment of angle connector of the present invention: the upper surface of the first grafting arm 21 be provided with not four the first convex protuberance 211, the first protuberances 211 of tilting upward on the same line to stick up convex direction contrary with the direction of insertion of the first grafting arm 21 thus can increase the resistance that the first grafting arm 21 deviates from from the first jack; When the first grafting arm 21 inserts the first jack of the first shape of peripheral frame bar 11, the side inwall of the first grafting arm 21 lower surface and the first jack offsets, and the first protuberance 211 of the first grafting arm 21 and the opposite side inwall of the first jack offset; The upper surface of described second grafting arm 22 be provided with not four the second convex protuberance 221, second protuberances 221 of tilting upward on the same line to stick up convex direction contrary with the direction of insertion of the second grafting arm 22 thus can increase the resistance that the second grafting arm 22 deviates from from the second jack 1210; When the second grafting arm 22 inserts the second jack 1210 of Second Edge frame section bar 12, the lower surface of the second grafting arm 22 and the side inwall of the second jack 1210 offset, and the second protuberance 221 of the second grafting arm 22 and the opposite side inwall of the second jack 1210 offset.Like this, what grafting arm was formed by punching press is multiplely connected with jack inwall swelling fastening respectively to the convex protuberance that has a downwarp, and the protuberance that punching press is formed has elasticity and inverted tooth-like effect, grafting arm is easily inserted and not easily throws off and fully ensure that and be connected firmly.In order to ensure to connect reliably further, protuberance is preferably face with jack inwall and contacts; Conveniently grafting adjustment in early stage and later stage fixation, the height of the protuberance near grafting arm roots in multiple protuberance is higher.

The 3rd embodiment for angle connector of the present invention shown in Fig. 9: upwards arch upward in the centre of the first grafting arm 21, first contact surface 212 that can offset with the inwall of the first jack is formed on the top that the first grafting arm 21 arches upward; When the first grafting arm 21 inserts the first jack of the first shape of peripheral frame bar 11, the root 213 of the first grafting arm 21 and head 214 offset with the side inwall of the first jack respectively, and the first contact surface 212 of the first grafting arm 21 and the opposite side inwall of the first jack offset; Upwards arch upward in the centre of described second grafting arm 22, second contact surface 222 that can offset with the inwall of the second jack is formed on the top that the second grafting arm 22 arches upward; When the second grafting arm 22 inserts the second jack 1210 of Second Edge frame section bar 12, the root 223 of the second grafting arm 22 and head 224 offset with the side inwall of the second jack 1210 respectively, and the second contact surface 222 of the second grafting arm 22 and the opposite side inwall of the second jack 1210 offset.Like this, the arch distortion that grafting arm is formed by punching press is connected with the swelling of jack inwall, and easy insertion and not easily throwing off fully ensure that and is connected firmly.Conveniently grafting adjustment in early stage and later stage fixation, the tension force that the tension force that the head of grafting arm, arch upward top contact and root three and jack inwall are formed will be formed much larger than head and the top contact that arches upward with jack inwall.

As Figure 1 and Figure 4, the left and right sides of described diffuser plate 3, light guide plate 4, reflecting layer 5 and backboard 8 is clamped by the first extension edge 123 of two Second Edge frame section bars 12 and the second extension edge 124 respectively, it is also spacing by locating piece 6 that light guide plate 4 side inserts grasping part, and the both sides, front and back of described diffuser plate 3, light guide plate 4, reflecting layer 5 and backboard 8 are clamped by two the first shape of peripheral frame bars 11 respectively.

The preparation method of above-mentioned LED panel lamp, comprises the steps:

1) load onto locating piece 6 at two of LED lamp bar 7, LED lamp bar 7 inserted in the lamp bar groove of Second Edge frame section bar 12, the locating piece 6 in LED lamp bar 7 coordinates with the located space on shape of peripheral frame bar 12 locates; Diffuser plate 3, light guide plate 4, reflecting layer 5 and backboard 8 are combined into light guide plate assembly; At the two ends of the first shape of peripheral frame bar 11 difference grafting angle connector 2;

2) two are enclosed within the left and right sides of light guide plate assembly respectively with the Second Edge frame section bar 12 of LED lamp bar 7 and are close to, now, the side of light guide plate assembly is clamped by the first extension edge 123 of Second Edge frame section bar 12 and the second extension edge 124 and spacing thus keep gap with the LED 71 in LED lamp bar 7 by locating piece 6;

3) two the first shape of peripheral frame bars 11 with angle connector 2 are enclosed within the both sides, front and back of light guide plate assembly respectively, second grafting arm 22 of angle connector 2 inserts the second jack 1210 of Second Edge frame section bar 12, while two Second Edge frame section bars 12 keep being close to light guide plate assembly, the spacing reduced between two the first shape of peripheral frame bars 11 forms frame until two the first shape of peripheral frame bars 11 and the split of two Second Edge frame section bars 12 are fixed.

4) mounting bracket 10 on the 3rd extension edge 122 of two Second Edge frame sections articles 12 again, power pack 9 is arranged on the first adjacent shape of peripheral frame bar 11 with on Second Edge frame section bar 12.

In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.

Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.

Claims (7)

1. frame, be spliced to form by four angle connectors (2) by two the first shape of peripheral frame bars (11) and two Second Edge frame section bars (12), two Second Edge frame section bars (12) are oppositely arranged, it is characterized in that, described first shape of peripheral frame bar (11) is formed with the first jack, and described Second Edge frame section bar (12) is formed with the second jack (1210); Described angle connector (2) has the first grafting arm (21) and the second grafting arm (22): the root of the first grafting arm (21) is connected with the second grafting arm (22), the head of the first grafting arm (21) inserts the first jack of the first shape of peripheral frame bar (11), and, the top of the first grafting arm (21) and the top inner wall of the first jack have at least three not contact points on the same line, and the bottom of the first grafting arm (21) and the bottom interior wall of the first jack have at least three not contact points on the same line; The root of the second grafting arm (22) is connected with the first grafting arm (21), the head of the second grafting arm (22) inserts second jack (1210) of Second Edge frame section bar (12), and, the top of the second grafting arm (22) and the top inner wall (1211) of the second jack (1210) have at least three not contact points on the same line, and the bottom of the second grafting arm (22) and the bottom interior wall (1212) of the second jack (1210) have at least three not contact points on the same line; Wherein, the root of the first grafting arm (21) is larger than head, and the root of the second grafting arm (22) is larger than head.
2. frame according to claim 1, is characterized in that, the first grafting arm (21) of described angle connector (2) is mutually vertical with the second grafting arm (22).
3. frame according to claim 1, is characterized in that, the width of the width of described first grafting arm (21) root and the first jack of the first shape of peripheral frame bar (11) matches; The width of the width of the root of the second grafting arm (22) and second jack (1210) of Second Edge frame section bar (12) matches.
4. frame according to claim 1, is characterized in that, described angle connector (2) is sheet metal forming part; Upwards arch upward in the centre of the first grafting arm (21), first contact surface (212) that can offset with the inwall of the first jack is formed on the top that the first grafting arm (21) arches upward, the head of the first grafting arm (21) is provided with the first protuberance (211) to having a downwarp convex, the first protuberance (211) to stick up convex direction contrary with the direction of insertion of the first grafting arm (21) thus can increase the resistance that the first grafting arm (21) deviates from from the first jack; When the first grafting arm (21) inserts the first jack of the first shape of peripheral frame bar (11), the root of the first grafting arm (21) and the first protuberance (211) offset with the side inwall of the first jack respectively, and first contact surface (212) of the first grafting arm (21) and the opposite side inwall of the first jack offset; Upwards arch upward in the centre of described second grafting arm (22), second contact surface (222) that can offset with the inwall of the second jack is formed on the top that the second grafting arm (22) arches upward, the head of the second grafting arm (22) is provided with the second protuberance (221) to having a downwarp convex, the second protuberance (221) to stick up convex direction contrary with the direction of insertion of the second grafting arm (22) thus can increase the resistance that the second grafting arm (22) deviates from from the second jack (1210); When the second grafting arm (22) inserts the second jack (1210) of Second Edge frame section bar (12), the root of the second grafting arm (22) and the second protuberance (221) offset with the side inwall of the second jack (1210) respectively, and second contact surface (222) of the second grafting arm (22) and the opposite side inwall of the second jack (1210) offset.
5. frame according to claim 1, is characterized in that, described angle connector (2) is sheet metal forming part; Upwards arch upward in the centre of the first grafting arm (21), first contact surface (212) that can offset with the inwall of the first jack is formed on the top that the first grafting arm (21) arches upward; When the first grafting arm (21) inserts the first jack of the first shape of peripheral frame bar (11), the root of the first grafting arm (21) and head offset with the side inwall of the first jack respectively, and first contact surface (212) of the first grafting arm (21) and the opposite side inwall of the first jack offset; Upwards arch upward in the centre of described second grafting arm (22), second contact surface (222) that can offset with the inwall of the second jack is formed on the top that the second grafting arm (22) arches upward; When the second grafting arm (22) inserts the second jack (1210) of Second Edge frame section bar (12), the root of the second grafting arm (22) and head offset with the side inwall of the second jack (1210) respectively, and second contact surface (222) of the second grafting arm (22) and the opposite side inwall of the second jack (1210) offset.
6. frame according to claim 1, is characterized in that, described angle connector (2) is sheet metal forming part; The upper surface of the first grafting arm (21) is provided with not at least three the first protuberances (211) of tilting upward convex on the same line, the first protuberance (211) to stick up convex direction contrary with the direction of insertion of the first grafting arm (21) thus can increase the resistance that the first grafting arm (21) deviates from from the first jack; When the first grafting arm (21) inserts the first jack of the first shape of peripheral frame bar (11), the side inwall of the first grafting arm (21) lower surface and the first jack offsets, and first protuberance (211) of the first grafting arm (21) and the opposite side inwall of the first jack offset; The upper surface of described second grafting arm (22) is provided with not at least three the second protuberances (221) of tilting upward convex on the same line, the second protuberance (221) to stick up convex direction contrary with the direction of insertion of the second grafting arm (22) thus can increase the resistance that the second grafting arm (22) deviates from from the second jack (1210); When the second grafting arm (22) inserts the second jack (1210) of Second Edge frame section bar (12), the lower surface of the second grafting arm (22) and the side inwall of the second jack (1210) offset, and second protuberance (221) of the second grafting arm (22) and the opposite side inwall of the second jack (1210) offset.
7. a LED panel lamp, is characterized in that, comprises the frame according to any one of claim 1 to 6.
CN201410795452.3A 2014-12-19 2014-12-19 LED panel lamp and its frame CN104482465B (en)

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CN201410795452.3A CN104482465B (en) 2014-12-19 2014-12-19 LED panel lamp and its frame

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