CN207097368U

CN207097368U - LED display

Info

Publication number: CN207097368U
Application number: CN201720889281.XU
Authority: CN
Inventors: 全德印
Original assignee: Shenzhen Eastar Electronic Co Ltd
Current assignee: Shenzhen Eastar Electronic Co Ltd
Priority date: 2017-07-20
Filing date: 2017-07-20
Publication date: 2018-03-13
Anticipated expiration: 2027-07-20

Abstract

A kind of LED display is the utility model is related to, including：Casing；LED display modules, including drain pan and it is fixed on the positive pcb board of the drain pan, the surrounding of the drain pan is provided with multiple first adsorption pieces, the surrounding of the casing is provided with multiple second adsorption pieces, the position of the multiple first adsorption piece and the position of the multiple second adsorption piece correspond, the drain pan is fixed on the casing by the magnetic absorption between the multiple first adsorption piece and the multiple second adsorption piece, is had between first adsorption piece and second adsorption piece and is spaced and is formed hanging absorption.Above-mentioned LED display, assembling difficulty of processing is small and cost is low, is vacantly set between the first adsorption piece and the second adsorption piece, is avoided that multiple-contact installs the accumulated tolerance of increased module flatness, and can safeguards dismounting demand before meeting.

Description

LED display

Technical field

LED technology field is the utility model is related to, more particularly to a kind of LED display.

Background technology

LED display is to be formed using the lattice module or pixel cell of LED electroluminescent lamps composition on area display, its With brightness is high, operating voltage is low, small power consumption, long lifespan, steady performance, indoor and outdoor advertisement, body are widely used to Educate, traffic, performance, exhibition, lease, each occasion such as rally.

LED display generally comprises LED screen display module and display screen box body, and LED screen display module is including drain pan and admittedly The positive pcb board of drain pan is scheduled on, display screen box body is arranged on the back side of drain pan, in assembling, it is necessary to pcb board and drain pan, case Carry out precision controlling between body and drain pan, assembling difficulty is larger and cost is high, due to the multiple-contact between each part add it is flat The accumulated tolerance of face degree, and flatness directly affects the display effect of whole display screen, the product after being assembled using existing structure Its yield is difficult to improve.

Utility model content

Based on this, it is necessary to provide a kind of assembling LED display that difficulty is small and product yield is high.

A kind of LED display, including：

Casing；

LED display modules, including drain pan and the positive pcb board of the drain pan is fixed on, the surrounding of the drain pan is provided with Multiple first adsorption pieces, the surrounding of the casing are provided with multiple second adsorption pieces, the position of the multiple first adsorption piece with The position of the multiple second adsorption piece corresponds, and the drain pan passes through the multiple first adsorption piece and the multiple second Magnetic absorption between adsorption piece is fixed on the casing, between having between first adsorption piece and second adsorption piece Every and form hanging absorption.

In one of the embodiments, the edge of the drain pan surrounding is formed with step, the edge of the casing surrounding to Front extension makes first adsorption piece be adsorbed with described second formed with the extension being resisted against on the step surface of the step The interval is formed between part.

In one of the embodiments, the edge of the step to front extension formed with being supported with the pcb board side Rib.

In one of the embodiments, the width at the interval is 0.1mm to 0.6mm.

In one of the embodiments, the width at the interval is 0.35mm.

In one of the embodiments, the thickness for being provided with region corresponding to the drain pan of first adsorption piece is less than The thickness in other regions.

In one of the embodiments, the four of the drain pan circumferential fronts are recessed formed with storage tank, first absorption Part, which is embedded, to be fixed in the storage tank.

In one of the embodiments, the back side of first adsorption piece and the back side of the drain pan are in same plane.

In one of the embodiments, it is prominent towards front to be not provided with the region of first adsorption piece for the drain pan surrounding Formed with multiple reinforcements, the back side of at least a portion reinforcement and the pcb board supports in the multiple reinforcement.

In one of the embodiments, first adsorption piece is magnet sucking disc, and second adsorption piece is magnet, described Drain pan is plastic pan.

Above-mentioned LED display, assembling difficulty of processing is small and cost is low, is vacantly set between the first adsorption piece and the second adsorption piece Put, be avoided that multiple-contact installs the accumulated tolerance of increased module flatness, and can safeguards dismounting demand before meeting.

Above-mentioned LED display, the region that drain pan is provided with the first adsorption piece, which be thinned, and other regions are not thinned sets Put, during absorption casing, be avoided that because drain pan is really up to the mark cause drain pan can not integrally be flattened the problem of.

Brief description of the drawings

Fig. 1 is the schematic rear view for the LED display that an embodiment provides；

Fig. 2 is the sectional view in C-C directions in LED display shown in Fig. 1；

Fig. 3 is the enlarged diagram in A portions in LED display shown in Fig. 2；

Fig. 4 is the enlarged diagram in B portions in LED display shown in Fig. 2.

Embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Better embodiment of the present utility model is given in accompanying drawing.But the utility model can come in many different forms Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly The more thorough and comprehensive that the disclosure of type understands.

It should be noted that when an element is considered as " connection " another element, it can be directly to separately One element may be simultaneously present centering elements.Term as used herein " vertically ", " horizontal ", "left", "right" And similar statement is for illustrative purposes only, it is unique embodiment to be not offered as.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" bag Include the arbitrary and all combination of the Listed Items of one or more correlations.

Referring to Fig. 2, the LED display 10 provided according to an embodiment, including casing 100, LED display modules 200.

Include drain pan 210 and pcb board 220 with reference to refering to Fig. 2, Fig. 3, LED display modules 200, pcb board 220 passes through screw 223 are fixed on the front of drain pan 210.The surrounding of drain pan 210 is provided with multiple first adsorption pieces 222, and the surrounding of casing 100 is set There are multiple second adsorption pieces 110, the position of multiple first adsorption pieces 222 and multiple second adsorption pieces 110 corresponds, and first inhales Between the adsorption piece 110 of annex 222 and second magnetic absorption and with interval 201, drain pan 210 passes through multiple first adsorption pieces 222 Magnetic absorption between multiple second adsorption pieces 110 is fixed on casing 100.

Referring to Fig. 3, in one embodiment, the edge of the surrounding of drain pan 210 is formed with step 211, the side of the surrounding of casing 100 Edge is resisted against on the step surface of step 211 of base edge formed with extension 120, the extension 120 towards front extension, makes the Formed with above-mentioned interval 201 between one adsorption piece 222 and the second adsorption piece 110, and make the first adsorption piece 222 and the second absorption Hanging absorption is formed between part 110, i.e., the first adsorption piece 222 on drain pan 210 and the second adsorption piece 110 on casing 100 are mutual Do not contact, housing and casing 100 are directly contacted by the step 211 and extension 120 at edge.First adsorption piece 222 and second The setting vacantly adsorbed between adsorption piece 110 eliminates the precision controlling between two adsorption pieces when assembling LED display 10, Accumulated tolerance can be effectively reduced, lowers the precision controlling difficulty of assembling processing, makes overall package more easy and reduce cost, together When, the dismounting demand of maintenance before and can meets.

The edge of step 211 offsets towards front extension formed with rib 2110, the side of the rib 2110 and pcb board 220 Hold, the side of the surrounding of pcb board 220 is hidden in rib 2110 to prevent dust from entering.

Fig. 1 to Fig. 3 is referred to, drain pan 210 can use plastic pan 210, and the back side of casing 100 is provided with multiple terminals Son 101, the front of pcb board 220 is provided with the lamp plate with multiple LED lamp beads；First adsorption piece 222 and the second adsorption piece 110 Permanent magnet can be used, the magnetic pole in the first adsorption piece 222 and the relative face of the second adsorption piece 110 is opposite.First adsorption piece 222 Magnet sucking disc can be used, the second adsorption piece 110 can use magnet, and the cross-sectional area of magnet is slightly larger than the cross section of magnet sucking disc Product, magnet sucking disc are further secured on drain pan 210 by sunk screw, and magnet is fixed on casing 100 by sunk screw Front.

Interval 201 between first adsorption piece 222 and the second adsorption piece 110 can be 0.1mm to 0.6mm, such as be spaced 201 are arranged to 0.25mm, 0.35mm etc..

In one embodiment, the thickness for being provided with region corresponding to the drain pan 210 of the first adsorption piece 222 is less than other regions Thickness, that is to say, that be provided with the drain pan 210 of the first adsorption piece 222 and be thinned relative to other regions and set, in absorption casing During 100, be avoided that causes drain pan 210 overall the problem of can not being flattened because drain pan 210 is really up to the mark.

Four Zhou Dynasty of the front of drain pan 210 is recessed to be embedded in storage tank formed with storage tank 221, the first adsorption piece 222 In 221.The back side of first adsorption piece 222 is in same plane with the back side of drain pan 210, or the first adsorption piece 222 is hidden completely In storage tank 221.

Refer to Fig. 2, Fig. 4, the surrounding of drain pan 210 be not provided with the region of the first adsorption piece 222 towards front it is prominent formed with Multiple reinforcements 212, the back side of at least part of reinforcement and pcb board 220 offsets in multiple reinforcements 212.Strengthen Muscle 212 can strengthen the intensity that drain pan 210 is not provided with the region of the first adsorption piece 222, while can also control drain pan well 210 with pcb board 220 assemble when 220 buckling deformation of pcb board the problem of.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

A kind of 1. LED display, it is characterised in that including：

Casing；

LED display modules, including drain pan and be fixed on the positive pcb board of the drain pan, the surrounding of the drain pan are provided with multiple First adsorption piece, the surrounding of the casing are provided with multiple second adsorption pieces, the position of the multiple first adsorption piece with it is described The position of multiple second adsorption pieces corresponds, and the drain pan passes through the multiple first adsorption piece and the multiple second absorption Magnetic absorption between part is fixed on the casing, has interval simultaneously between first adsorption piece and second adsorption piece Form hanging absorption.
2. LED display according to claim 1, it is characterised in that the edge of the drain pan surrounding is formed with step, institute The edge for stating casing surrounding extends formed with the extension being resisted against on the step surface of the step to front, makes described first to inhale The interval is formed between annex and second adsorption piece.
3. LED display according to claim 2, it is characterised in that the edge of the step to front extension formed with The rib supported with the pcb board side.
4. LED display according to claim 1, it is characterised in that the width at the interval is 0.1mm to 0.6mm.
5. LED display according to claim 4, it is characterised in that the width at the interval is 0.35mm.
6. LED display according to claim 1, it is characterised in that be provided with the drain pan of first adsorption piece The thickness in corresponding region is less than the thickness in other regions.
7. LED display according to claim 6, it is characterised in that four circumferential fronts of the drain pan it is recessed formed with Storage tank, first adsorption piece, which is embedded, to be fixed in the storage tank.
8. LED display according to claim 7, it is characterised in that the back side of first adsorption piece and the drain pan The back side be in same plane.
9. LED display according to claim 6, it is characterised in that the drain pan surrounding is not provided with described first and inhaled The region of annex is prominent formed with multiple reinforcements towards front, in the multiple reinforcement at least a portion reinforcement with it is described The back side of pcb board supports.
10. LED display according to claim 1, it is characterised in that first adsorption piece is magnet sucking disc, described Second adsorption piece is magnet, and the drain pan is plastic pan.