CN201965861U

CN201965861U - LED (Light Emitting Diode) module and box body with same

Info

Publication number: CN201965861U
Application number: CN2010206698334U
Authority: CN
Inventors: 林洺锋; 王伟; 张春旺; 陈之良; 沈娇
Original assignee: Shenzhen Zhouming Technology Co Ltd
Current assignee: Shenzhen Roevisual Technology Co Ltd
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2011-09-07
Anticipated expiration: 2020-12-20

Abstract

The utility model discloses an LED (Light Emitting Diode) module which comprises a face shield, a lamp-driver integrated PCB (Printed Circuit Board) panel and a bottom shell, wherein the face shield is of a frame body structure which is larger than the PCB panel; one surface of the face shield relative to the PCB panel is a substrate surface; a lamp shade matched with an LED lamp is arranged on the substrate surface in a protruding way; the LED lamp is sealed; a sealing body is formed by the bottom shell and the face shield; and the PCB panel is arranged in the sealing body. The utility model also discloses a box body with the LED module. A waterproof rubber gasket is arranged between the box body and the LED module and is installed and fixed at the bottom of the bottom shell, and the LED module with the waterproof rubber gasket is installed and fixed on the box body. The LED module and the box body have the advantages that: as the face shield is designed into the frame body structure as a whole and the corresponding LED lamp shade is arranged on the substrate surface of a frame body, a piecing process is simpler, the whole surface of the LED display screen is smooth, has a better waterproof effect and can be washed and cleaned thoroughly; for the module of the structure, an adhesive is unnecessarily potted on a lamp surface of the PCB panel, therefore, the maintenance and the repairing of the module are facilitated.

Description

A kind of LED module and have the casing of this LED module

Technical field

The utility model belongs to LED display, particularly a kind of outdoor surface welded LED module and have the casing of this LED module.

Background technology

Because the LED light fixture has the brightness height, operating voltage is low, power consumption is little, easily microminiaturized and characteristics such as integrated circuit mates, driving is simple, the life-span is long, shock-resistant, stable performance, make LED display stable performance, energy-conserving and environment-protective, brightness height, image is gorgeous and life cycle is long, LED display obtains development at full speed; LED display is to be spliced by single casing or module, makes display screen production, transportation, easy accessibility simple, and the display area adjustable size.The LED display advantage is numerous, makes its extensively indoor outer advertisement and fixing and interim place of propaganda.

At present, outdoor display screen generally constitutes with direct insertion LED module, and minority is used the surface welded LED module, promptly carries out encapsulating on the surface of surface welded LED module and handles, and covers exposed electrode, makes the module front surface reach the purpose of waterproof.But the encapsulating technical requirement height of this outdoor surface welded LED module, and the encapsulating structure of surface welded LED own may make LED surface waterproof up hill and dale.

The utility model content

The technical problems to be solved in the utility model provides that a kind of display screen surface is smooth, the surface welded LED module of high waterproof and a kind of casing with this LED module integral waterproofing.

In order to solve the problems of the technologies described above, the technical scheme that its technical matters that solves the utility model adopts is: a kind of LED module, comprise that face shield, lamp drive the PCB panel and the drain pan of unification, described face shield is the frame structure greater than the PCB panel, the relative PCB panel of face shield is a substrate surface simultaneously, is equipped with the lampshade that matches with the LED lamp on substrate surface, and the LED lamp is sealed, drain pan and face shield form obturator, and the PCB panel places in the obturator.

Wherein, also be provided with fixed leg on the substrate surface of described face shield, have through hole on the described PCB panel, described drain pan is provided with hole column, and described fixed leg passes the through hole of PCB panel, and fixes with hole column and face shield and drain pan are fixed.

Wherein, be coated with glue between the medial surface of described PCB panel periphery edge and face shield.

Wherein, described fixed leg is interior threaded hollow structure, and the open top radius of described hole column is greater than the bottom opening radius, and hole column bottom opening radius equates that with the internal diameter of fixed leg the hole column on the drain pan and the fixed leg of face shield fix by screw.

Wherein, the bottom surface of described drain pan is provided with handle.

For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of casing with above-mentioned LED module, be provided with waterproof apron between described casing and the LED module, described waterproof apron is fixed on the bottom of drain pan, and the LED module that has waterproof apron is fixed on the casing.

Wherein, described waterproof apron is provided with the pilot hole that matches with the reference column of LED module drain pan.

Wherein, be provided with screw on drain pan, the LED module is fixed on the casing by described screw.

Wherein, described waterproof apron is provided with the screens post that the hole column with drain pan fastens.

The beneficial effects of the utility model are, by the face shield global design is become frame structure, in the framework substrate surface corresponding LED lampshade are set, and the assembly unit operation is simpler and easy, and the whole LED display screen surface is smooth, and waterproof effect is better, up hill and dale scrub clean; The module of this structure is encapsulating on the lamp face of PCB panel again, is easy to the maintenance and repair of module, adopts the casing of this LED module simultaneously, adopts waterproof apron in the joint sealing, guarantees the waterproof effect of whole box body.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is a lampshade surface structure synoptic diagram among the embodiment of the utility model LED module;

Fig. 2 is a lampshade substrate surface structural representation among the embodiment of the utility model LED module;

Fig. 3 is a PCB panel construction synoptic diagram among the embodiment of the utility model LED module;

Fig. 4 is a drain pan structural representation among the embodiment of the utility model LED module;

Fig. 5 is a waterproof apron front view among the embodiment of the utility model casing;

Fig. 6 is a waterproof apron left view among the embodiment of the utility model casing.

Wherein, 1: face shield; 11: lampshade; 12: fixed leg;

The 2:PCB panel; The 21:LED lamp; 22: through hole;

3: drain pan; 31: hole column; 32: handle; 33: reference column; 34: screw;

4: waterproof apron; 41: pilot hole; 42: fixed orifice; 43: the screens post.

Embodiment

By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

Embodiment 1

See also Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the embodiment of the utility model LED module comprises that face shield 1, lamp drive the PCB panel 2 and the drain pan 3 of unification.

Described face shield 1 is the frame structure greater than PCB panel 2, this frame structure is integrally closed framework, face shield 1 surfacing, according to whole rectangle of being shaped as of PCB panel 2 or polygon etc., face shield 1 relative PCB panel 2 one sides are substrate surface, be equipped with the lampshade 11 of LED lamp 21 on substrate surface, described lampshade 11 evenly distributes protruding on substrate surface, and described lampshade 11 is the clear plastic material.

Described lamp drives unification PCB panel 2, and regular distribution plurality of pixels point on the PCB panel 2, these pixels can be that the three-in-one LED lamp of surface-mount type is a pixel, also can be that surface welded LED lamps red, green, the basket three primary colours are formed a pixel.

Described face shield 1 is fixed on the PCB panel 2 that LED lamp 21 is housed, PCB panel 2 is put into face shield 1, the position of LED lamp 21 corresponding substrate face lampshades 11, the sealing of fitting mutually of the plate face of PCB panel 2 and the substrate surface of face shield 1, can adopt glue sealing method that they are fixed together by seam crossing, also can adopt the mode of bolt that PCB panel 2 and face shield 1 are fixed together at PCB panel 2 and face shield 1.

In the said structure, to LED lamp waterproofing protection better effects if, the PCB panel is covered by face shield fully with respect to existing face shield, the face shield surfacing, and scrub clean up hill and dale, and encapsulating on the lamp face of PCB panel again are easy to the maintenance and repair of module.

In the present embodiment, also be provided with the fixed leg 12 that is used for fixing face shield on the substrate surface of described face shield 1, several through holes 22 that also distribute on the described PCB panel 2, when PCB panel 2 was put into face shield 1 frame, described fixed leg 12 can pass this PCB panel 2 by the through hole on the PCB panel 2 22.

Described drain pan 3 relative PCB panel 2 one sides are provided with several hole columns 31, the open top radius of described hole column 31 is greater than the bottom opening radius, hole column 31 bottom opening radiuses equate that with the internal diameter of fixed leg 12 this structure of hole column 31 just can match with fixed leg 12.

When drain pan 3 makes up with face shield 1 and PCB panel 2, fixed leg 12 is by the through hole 22 of PCB panel 2 on the face shield 1, there is fixed leg 12 partly can pass the opening at hole column 31 tops just, and withstand mutually with the opening of the bottom of hole column 31, because hole column 31 bottom opening radiuses equate with the internal diameter of fixed leg 12, so fixed leg 12 can not pass the bottom of hole column 31.

Described fixed leg 12 is interior threaded hollow structure, uses screw to pass hole column 31 and is connected with the fixed leg 12 of face shield 1, screw screw after, drain pan 3, face shield 1 and PCB panel 2 are fixed together.

Adopt said structure, entire module is in the assembly unit process, and operational sequence is simple and easy, and the design threaded fixed leg 12 of the hollow hole column 31 identical with internal diameter cooperates, and easily entire module installed and fixed.

When face shield 1, PCB panel 2 and drain pan 3 are mounted to module, earlier PCB panel 2 lamps are faced the direction of face shield, fixed leg 12 passes the through hole 22 on the PCB panel 2, PCB panel 2 is put into face shield 1 framework, and PCB panel 2 fits with face shield 1 substrate surface, again drain pan 3 is put into the framework that installs PCB panel 2, the hole column 31 that passes on the drain pan 3 with screw fixes drain pan 2 and face shield 1; After having installed and fixed face shield 1, PCB panel 2 and drain pan 3, a little slit of the marginal existence of the edge of drain pan 3 and face shield 1, with electron pouring sealant encapsulating is carried out in these slits, edge and handle, make module lamp plate face be sealed in face shield 1 the inside fully, module lamp face can be waterproof and dampproof fully.

In the present embodiment, the bottom surface of described drain pan 3 also is provided with a handle 32, and this handle 32 can conveniently be taken, and module is cased and dismounting is reprocessed; The bottom surface of described drain pan 3 two reference columns 33 that also distributing simultaneously, it is on the throne to live module institute when being used for the module vanning surely, makes things convenient for the module vanning fixing; And the edge, bottom surface of described drain pan several screws 34 that also distributing, during the module vanning, with screw by the fixing module of screw 34.

Embodiment 2

See also Fig. 5 and Fig. 6, the embodiment of the utility model casing includes the LED module, described LED module is the LED module among the embodiment 1, module is before vanning, add a waterproof apron 4 in the module back, described waterproof apron 4 is fixed on the bottom of drain pan 3, thisly install and fix the mode that mode both can adopt sticker, also can design the mode that corresponding screw cooperates with bolt, described waterproof apron 4 is the silica gel material, use effectively waterproof of silica gel material, the LED module that has waterproof apron 4 is fixed on the casing.

Said structure when module is fixed on casing, can make entire module seal fully, prevents in the time of out of doors that rainwater from entering casing, thus entire module casing waterproof up hill and dale.

In the present embodiment, described waterproof apron 4 is provided with several pilot holes 41 that match with the reference column 33 of LED module drain pan 3 and the fixed orifice 42 that matches with the screw 34 of drain pan 3, described pilot hole 41 and fixed orifice 42 be distributed in waterproof apron 4 around, wherein pilot hole 42 can allow the reference column 33 of drain pan 3 pass, and described fixed orifice 42 correspondences are below the screw 34 of drain pan 3.Drain pan 3 reference columns 33 pass pilot hole 41, and firmly module is on the throne in the institute of casing surely, during the module vanning, spins with screw 34 by fixed orifice 42 backs with screw, and fixedly module is on casing.

In the present embodiment, prevent that in order to make waterproof apron 4 from splitting away off from module, be provided with and the hole column 31 of the drain pan 3 screens post 43 of clamping mutually in the one side of waterproof apron 4 corresponding drain pans, mechanism by this screens post 43, when waterproof apron 4 is placed on the bottom surface of drain pan 3, described screens post 43 can be put into hole column 31, and waterproof apron 4 is connected on the drain pan 3.

The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. LED module, comprise that face shield, lamp drive the PCB panel and the drain pan of unification, it is characterized in that, described face shield is the frame structure greater than the PCB panel, the relative PCB panel of face shield is a substrate surface simultaneously, is equipped with the lampshade that matches with the LED lamp on substrate surface, and the LED lamp is sealed, drain pan and face shield form obturator, and the PCB panel places in the obturator.

2. LED module according to claim 1 is characterized in that, also is provided with fixed leg on the substrate surface of described face shield, have through hole on the described PCB panel, described drain pan is provided with hole column, and described fixed leg passes the through hole of PCB panel, and fixes with hole column and face shield and drain pan are fixed.

3. LED module according to claim 1 is characterized in that, is coated with glue between the medial surface of described PCB panel periphery edge and face shield.

4. LED module according to claim 2, it is characterized in that, described fixed leg is interior threaded hollow structure, the open top radius of described hole column is greater than the bottom opening radius, hole column bottom opening radius equates that with the internal diameter of fixed leg the hole column on the drain pan and the fixed leg of face shield fix by screw.

5. LED module according to claim 1 is characterized in that the bottom surface of described drain pan is provided with handle.

6. the casing with the described LED module of claim 1 is characterized in that, is provided with waterproof apron between casing and the LED module, and described waterproof apron is fixed on the bottom of drain pan, and the LED module that has waterproof apron is fixed on the casing.

7. casing according to claim 6 is characterized in that, described waterproof apron is provided with the pilot hole that matches with the reference column of LED module drain pan.

8. casing according to claim 6 is characterized in that, is provided with screw on drain pan, and the LED module is fixed on the casing by described screw.

9. LED module according to claim 6 is characterized in that, described waterproof apron is provided with the screens post that the hole column with drain pan fastens.