CN102779462A

CN102779462A - Light-emitting diode (LED) display module

Info

Publication number: CN102779462A
Application number: CN2012102643143A
Authority: CN
Inventors: 胡日浩; 刘秋河; 夏锋
Original assignee: Shenzhen Infiled Electronics Co Ltd
Current assignee: Shenzhen Infiled Electronics Co Ltd
Priority date: 2012-07-28
Filing date: 2012-07-28
Publication date: 2012-11-14
Anticipated expiration: 2032-07-28
Also published as: CN102779462B

Abstract

A light-emitting diode (LED) display module comprises a casing, a cover body, a base board and a plurality of printed circuit boards installed in the casing. The plurality of printed circuit boards are distributed along the same direction at intervals. An interval portion is formed between every two adjacent printed circuit boards. The cover body is fastened on the casing and is provided with first through grooves identical with the interval portions in number, each first through groove right faces the corresponding interval portion, second through grooves identical with the interval portions in number are arranged on a back board of the casing, and each second through groove right faces the corresponding interval portion. The base board is provided with at least two third through grooves, the interval between the two adjacent third through grooves is no smaller than the width of the second through grooves, the base board is movably installed on the back board of the casing far away from the cover body to selectively enable each third through groove to be aligned at one second through groove, or enable each third through groove to be staggered with the second through groove. The LED display module selectively achieves a hollow structure and a non-hollow structure according to different requirements, is convenient to use and can save cost.

Description

LED shows module

Technical field

The present invention relates to a kind of LED and show module.

Background technology

Existing LED (Light Emitting Diode, light emitting diode) shows that module can be divided into hollow out and two kinds of structures of no hollow out.As shown in Figure 1, for the LED module of no engraved structure, some LED displays closely splice, and light and wind all can't penetrate; As shown in Figure 2, for the LED module of engraved structure, offer some strip grooves 21 on the LED module, to reduce the resistance of screen body, prevent under the excessive situation of wind-force, screen body or installation frame to be caused damage to wind-force.The LED module that does not possess at present hollow out and no engraved structure simultaneously; When installing has or not the equipment of the LED module of engraved structure to be in the bigger environment of wind-force; Then have to the LED module of no engraved structure is removed; Again install the LED module of engraved structure, obviously understand the manpower and the material resources of labor.

Summary of the invention

To the deficiency of prior art, the object of the invention is intended to provide a kind of LED to show module, and it is adjustable as engraved structure, also is adjustable as no engraved structure.

For realizing above-mentioned purpose, the present invention adopts following technical scheme:

A kind of LED shows that module comprises housing, cover body, base plate and is installed in the some printed circuit board (PCB)s in the housing, and these some printed circuit board (PCB)s are spaced along same direction, constitutes a spacer portion between the per two adjacent printed circuit board (PCB)s, and cover body is fastened on the housing;

Cover body is offered first groove identical with spacer portion quantity; And each first groove is over against corresponding intervals portion; The backboard of housing is offered second groove identical with spacer portion quantity, and each second groove is over against corresponding intervals portion, and base plate is offered at least two the 3rd grooves; And the interval between two the 3rd adjacent grooves is not less than the width of second groove; Base plate is installed on the backboard of housing away from cover body movably, aims at one second groove optionally to make each the 3rd groove, or each the 3rd groove and second groove are staggered.

The backboard of housing respectively is provided with a baffle plate in the upper and lower end parts place of contiguous base plate, with from the left and right directions positioning plate, prevents the base plate move left and right.

The upper and lower end parts of base plate is respectively offered two pilot holes that keep at a certain distance away; Each plate washer is toward base plate direction extended spot one buckle; Each be snapped in the vertical base plate direction extend one with the fixed part of pilot hole coupling, when the fixed part of buckle was contained in wherein a pilot hole, each of base plate the 3rd groove was aimed at one second groove; When the fixed part of buckle was contained in an other pilot hole, each of base plate the 3rd groove and second groove staggered.

The left and right end portions of base plate is respectively offered at least one groove, and two pilot holes that keep at a certain distance away are offered in the bottom of each groove; Each baffle plate extends the buckle identical with the groove quantity of base plate toward the base plate direction; Each buckle is positioned at corresponding groove; Each buckle toward the bottom direction of groove extend one with the fixed part of pilot hole coupling, when the fixed part of each buckle was contained in a wherein pilot hole of respective slot, each of base plate the 3rd groove was aimed at second groove; When the fixed part of each buckle was contained in another pilot hole of respective slot, each of base plate the 3rd groove and second groove staggered.

The curved shape in the end that fixed part contacts with pilot hole.

These some printed circuit board (PCB)s evenly are spaced along the housing Width.

First groove, second groove and the 3rd groove all are strip, to strengthen printing opacity and ventilation effect.

The size of the size of the 3rd groove and second groove is complementary.

The quantity of the 3rd groove is identical with the quantity of through hole.

Beneficial effect of the present invention is following:

Above-mentioned LED shows that module optionally makes second groove of the 3rd groove of base plate over against housing through movable base plate; To realize engraved structure; Be beneficial to light and airing; Or make interval between adjacent the 3rd groove of base plate shelter from second groove of housing fully, to realize no engraved structure, so that light-trapped ventilation.Foregoing invention can optionally realize engraved structure and no engraved structure according to different demands, not only convenient use the, and escapable cost.

Description of drawings

Fig. 1 is the structural representation that existing LED shows module.

Fig. 2 is another structural representation that existing LED shows module.

Fig. 3 shows the schematic perspective view of the preferred embodiments of module for LED of the present invention.

Fig. 4 is the schematic perspective view that the LED of Fig. 3 shows another view of module.

Fig. 5 is the schematic perspective view that the LED of Fig. 3 shows the another view of module.

Fig. 6 is the cut-open view of the LED of the A direction among Fig. 5 when showing module for no engraved structure.

Fig. 7 is that the LED of the A direction among Fig. 5 shows the cut-open view when module is engraved structure.

Fig. 8 is the cut-open view that the LED of the B direction among Fig. 5 shows module.

Fig. 9 is the enlarged diagram of the II part among Fig. 5

Component symbol

Cover body	34	Housing	31
				Base plate	32	Groove	321、316、341
Printed circuit board (PCB)	33	331	Spacer portion
				Groove	325	Pilot hole	322
Buckle	312	Baffle plate	311

Embodiment

To combine accompanying drawing and embodiment below, the present invention done further describing:

See also Fig. 3 to 9, the present invention relates to a kind of LED (Light Emitting Diode, light emitting diode) and show module, its preferred embodiments comprises housing 31, is installed in some printed circuit board (PCB)s 33, cover body 34 and base plate 32 in the housing 31.Some printed circuit board (PCB)s 33 evenly are spaced along housing 31 Widths, constitute a spacer portion 331 between per two adjacent printed circuit boards 33, and cover body 34 is fastened on the housing 31, and base plate 32 is installed on the backboard of housing 31 away from cover body 34 movably.

Cover body 34 is offered the groove 341 identical with spacer portion 331 quantity, and each groove 341 is over against corresponding intervals portion 331.The backboard of housing 31 is offered the groove 316 identical with spacer portion 331 quantity, and each groove 316 is over against corresponding intervals portion 331.So, groove 341, spacer portion 331 and groove 316 corresponding formations run through the through hole of cover body 34 and housing 31.

Base plate 32 broad ways are evenly offered the groove 321 that the groove 316 of some sizes and housing 31 is complementary, and the interval between the adjacent groove 321 is not less than the width of the groove 316 of housing 31.The left and right end portions broad ways of base plate 32 is respectively offered some grooves 325, and two pilot holes 322 that keep at a certain distance away are offered in the bottom of each groove 325.

The backboard of housing 31 respectively is provided with a baffle plate 311 in contiguous base plate 32 upper and lower end parts places; To prevent that base plate 32 from moving up and down; Each baffle plate 311 extends the buckle 312 identical with groove 325 quantity of base plate 32 toward base plate 32 directions, and each buckle 312 is positioned at corresponding groove 325, each buckle 312 toward the bottom direction of grooves 325 extend one with the fixed part 3121 of pilot hole 322 couplings; The curved shape in end that fixed part 3121 contacts with pilot hole 322 slides to make things convenient for relative positioning hole 322.

When the LED that needs engraved structure shows module,, be contained in the wherein pilot hole 322 of groove 325 until the fixed part 3121 of buckle 312 along the Width movable base plate 32 of housing 31; With firm positioning plate 32, thereby prevent that base plate 32 from moving along housing 31 Widths, at this moment; The groove 321 of base plate 32 faces the groove 316 of housing 32 correspondences; So, groove 321, groove 316,

spacer portion

331 and 341 corresponding formation one run through the through hole of base plate 32 and cover body 34, thereby make this LED show that module has engraved structure; Be beneficial to printing opacity and ventilation; Be applied to wind-force bigger LZT, can avoid the LED module to be damaged, thereby prolong the serviceable life of LED module by strong wind.

When needs do not have the LED demonstration module of engraved structure, promote base plate 32, under the effect of external force; The pilot hole 322 of base plate 32 moves relative to the fixed part 3121 of buckle 312; Make the fixed part 3121 of buckle 312 that elastic deformation take place, move relative to the bottom surface of groove 325 thereby break away from pilot hole 322, in fixed part 3121 is contained in another pilot hole 322; Fixed part 3121 recovers elastic deformation, thus firm positioning plate 32.At this moment, the groove 316 of housing 31 and the groove 321 of base plate 32 stagger, and promptly the groove 316 of housing 31 is all blocked by the interval 313 between the base plate 32 adjacent grooves 321, thereby make this LED show that module has no engraved structure, and be light tight also stuffy.

Above-mentioned LED shows that module optionally makes the groove of the groove of base plate over against housing through movable base plate; To realize engraved structure, be beneficial to light and airing, or make interval between the adjacent groove of base plate shelter from the groove of housing fully; To realize no engraved structure, so that light-trapped ventilation.Foregoing invention can optionally realize engraved structure and no engraved structure according to different demands, not only convenient use the, and escapable cost.

For a person skilled in the art, can make other various corresponding changes and distortion, and these all changes and distortion should belong within the protection domain of claim of the present invention all according to the technical scheme and the design of above description.

Claims

1. a LED shows module; It is characterized in that: it comprises housing, cover body, base plate and is installed in the some printed circuit board (PCB)s in the housing; These some printed circuit board (PCB)s are spaced along same direction, constitute a spacer portion between the per two adjacent printed circuit board (PCB)s, and cover body is fastened on the housing;

2. LED as claimed in claim 1 shows module, it is characterized in that: the backboard of housing respectively is provided with a baffle plate in the upper and lower end parts place of contiguous base plate.

3. LED as claimed in claim 2 shows module; It is characterized in that: the upper and lower end parts of base plate is respectively offered two pilot holes that keep at a certain distance away; Each plate washer is toward base plate direction extended spot one buckle; Each be snapped in the vertical base plate direction extend one with the fixed part of pilot hole coupling, when the fixed part of buckle was contained in wherein a pilot hole, each of base plate the 3rd groove was aimed at one second groove; When the fixed part of buckle was contained in an other pilot hole, each of base plate the 3rd groove and second groove staggered.

4. LED as claimed in claim 2 shows module, and it is characterized in that: the left and right end portions of base plate is respectively offered at least one groove, and two pilot holes that keep at a certain distance away are offered in the bottom of each groove; Each baffle plate extends the buckle identical with the groove quantity of base plate toward the base plate direction; Each buckle is positioned at corresponding groove; Each buckle toward the bottom direction of groove extend one with the fixed part of pilot hole coupling, when the fixed part of each buckle was contained in a wherein pilot hole of respective slot, each of base plate the 3rd groove was aimed at second groove; When the fixed part of each buckle was contained in another pilot hole of respective slot, each of base plate the 3rd groove and second groove staggered.

5. show module like claim 3 or 4 described LED, it is characterized in that: the curved shape in the end that fixed part contacts with pilot hole.

6. LED as claimed in claim 1 shows module, and it is characterized in that: these some printed circuit board (PCB)s evenly are spaced along the housing Width.

7. LED as claimed in claim 1 shows module, and it is characterized in that: first groove, second groove and the 3rd groove all are strip.

8. LED as claimed in claim 1 shows module, and it is characterized in that: the size of the size of the 3rd groove and second groove is complementary.

9. LED as claimed in claim 1 shows module, and it is characterized in that: the quantity of the 3rd groove is identical with the quantity of second groove.