CN104900159B

CN104900159B - LED display

Info

Publication number: CN104900159B
Application number: CN201510263062.6A
Authority: CN
Inventors: 胡炳坤; 龚杰; 綦迪; 石昌金
Original assignee: Shenzhen Absen Optoelectronic Co Ltd; Huizhou Absen Optoelectronic Co Ltd
Current assignee: Shenzhen Absen Optoelectronic Co Ltd; Huizhou Absen Optoelectronic Co Ltd
Priority date: 2015-05-21
Filing date: 2015-05-21
Publication date: 2017-10-27
Anticipated expiration: 2035-05-21
Also published as: CN104900159A

Abstract

The invention discloses a kind of LED display, display module including casing, on the casing and the sealing ring between the casing and display module, the surface of the casing is provided with opening, and the display module is electrically connected with by the opening and the circuit board in the casing；The display module includes module body and the mounting seat on the dorsal part of the module body, and the mounting seat is used to install the sealing ring；The sealing ring is surrounded around the opening and elasticity is squeezed between the surface around the mounting seat and the opening, the gap formed between the surface around dorsal part and the opening to seal the module body.LED display waterproof construction of the present invention is simple, and good water-proof effect, waterproof rank can reach IPx5.

Description

LED display

Technical field

The present invention relates to flat panel display technology field, more particularly to a kind of LED display.

Background technology

LED display has obtained extensive reference in industries such as stage, commercial performance, advertisement, exhibitions, is imitated with outstanding display Really, the demand of outdoor LED display screen is more and more, although outdoor LED display screen has certain waterproof ability, but its waterproof Effect is poor, and opening that rainwater can be provided with by casing, to cabling enters in casing, causes the circuit board in casing short Road, and then cause LED display to be scrapped.For example, Chinese patent ZL201320772288.5 disclose a kind of LED display and its LED display unit casing, the LED display realizes the electric-controlled box of display module and casing by the connected mode of independent connector Between electric connection, but the connected mode is needed between correspondence display module and connector, between connector and electric-controlled box Waterproofing design is carried out respectively, but the waterproofing design is complicated, wiring construction is easily intake.

The content of the invention

It is a primary object of the present invention to provide a kind of LED display, it is intended to solve existing LED display waterproof effect The complicated technical problem of difference, waterproofing design.

To achieve the above object, the present invention provides a kind of LED display, including casing, the display on the casing Module and the sealing ring between the casing and display module, the surface of the casing are provided with opening, the display Module is electrically connected with by the opening and the circuit board in the casing；The display module includes module body and located at institute The mounting seat on the dorsal part of module body is stated, the mounting seat is used to install the sealing ring；The sealing ring is opened described in surrounding Mouthful around and elasticity be squeezed between the surface around the mounting seat and the opening, to seal the module body The gap formed between surface around dorsal part and the opening.

Preferably, the casing includes electric-controlled box, and the opening is located at the back side of the electric-controlled box, and the electric-controlled box includes Automatically controlled plug socket in the opening；The display module also includes on the dorsal part of the module body, is described The module plug socket that mounting seat is surrounded；The automatically controlled plug socket and the module plug socket socket connection and be electrically connected with the electricity Control box and the display module.

Preferably, the mounting seat includes the bottom surface being formed on the dorsal part of the module body and is convexly equipped in the bottom surface On flange collar, the sealing ring has a ring recess of the correspondence flange collar, the ring recess house the flange collar and the sealing ring with The bottom surface is contradicted.

Preferably, the ring recess of the sealing ring is higher than the flange collar.

Preferably, the mounting seat also includes being convexly equipped on the bottom surface, around the first lug circle of the flange collar；It is described The lateral surface of sealing ring is outward extended with first lug circle；The side of the first lug circle and the first lug circle, which is contradicted, matches somebody with somebody Close.

Preferably, the mounting seat also includes being convexly equipped on the bottom surface, in the flange collar and between the flange collar Every the second lug circle；The medial surface of the sealing ring, which extends internally, the second lug circle；The second lug circle and described the The side of two lug circles, which is contradicted, to be coordinated.

Preferably, the mounting seat also includes being convexly equipped on the bottom surface between the first lug circle and flange collar, with described first It is connected on first clamping ring of lug circle connection and the bottom surface being convexly equipped between the second lug circle and flange collar, with the second lug circle The second clamping ring；First clamping ring coordinates with the flange collar, the seal ring part for first lug circle side described in clip； Second clamping ring coordinates with the flange collar, the seal ring part for the second lug circle side described in clip.

Preferably, the first waterwall around the opening is convexly equipped with the surface of the casing, the module body Dorsal part is provided with the second waterwall around the mounting seat, and first waterwall is located at second waterwall and the peace Between dress seat.

Preferably, the lower end of first waterwall is provided with the first drain chamber.

Preferably, the lower end of first waterwall is provided with the first drain chamber；The lower end of the first lug circle is provided with Second drain chamber.

Preferably, the dorsal part of the module body is provided with the first adsorption piece, and correspondence described the is additionally provided with the casing Second adsorption piece of one adsorption piece, first adsorption piece is with the second adsorption piece magnetic absorption so that the display module to be pacified Extruded on the casing, and by the sealing ring to the mounting seat.

Preferably, the dorsal part of the module body is provided with the first adsorption piece, and correspondence described the is additionally provided with the casing Second adsorption piece of one adsorption piece, first adsorption piece is with the second adsorption piece magnetic absorption so that the display module to be pacified Extruded on the casing, and by the sealing ring to the flange collar.

Preferably, the quantity of the display module is four, and four display modules are located at the casing side by side two-by-two On；The quantity of the opening is four, and four openings are arranged side by side two-by-two；The module plug socket of four display modules It is oppositely arranged with the automatically controlled plug socket in described four openings.

The sealing ring of LED display of the present invention is located between mounting seat and parameatal surface, because sealing ring is in Elastic squeezed state, so as to seal the gap formed between the dorsal part of module body and parameatal surface, prevents rain During water enters opening from the gap, and then flow into casing, cause the circuit board short circuit in casing, shown so as to improve LED The waterproof ability of screen, its waterproof rank can reach IPx5, and the waterproof construction is simple；Further, the mould in mounting seat The electrical grafting of automatically controlled plug socket in group plug socket and opening, realizes power supply and data terminal integration connection, wiring and even Connect simple in construction, it is to avoid using connector or cable be indirectly connected with display module and electric-controlled box, without to module and company Connect between device, carry out waterproof respectively between connector and electric-controlled box, the waterproof construction is greatly simplified, good water-proof effect, and display The water inlet rate of screen can reduce at least 50%.

Brief description of the drawings

Fig. 1 is the partial sectional view of the preferred embodiment of LED display one of the present invention；

Fig. 2 is the structural representation of the display module of LED display in Fig. 1；

Fig. 3 is the partial enlarged drawing of a-quadrant in Fig. 2；

Fig. 4 is the structural representation of the casing of LED display in Fig. 1；

Fig. 5 is the top view of the sealing ring of LED display in Fig. 1；

Fig. 6 is the sectional view in Fig. 5 along line B-B.

The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.

The present invention provides a kind of LED display, and referring to figs. 1 to Fig. 6, in a preferred embodiment, LED display includes case Body 2, the display module 4 on casing 2 and the sealing ring between casing 2 and display module 46.The surface 24 of casing 2 Opening 20 is provided with, display module 4 is electrically connected with by the circuit board in opening 20 and casing 2.Display module 4 includes module sheet Body and the mounting seat 41 on the dorsal part of module body, the mounting seat 41 are used to install sealing ring 6.Sealing ring 6 surrounds opening Around 20 and between the elastic surface 24 being squeezed in around mounting seat 41 and opening 20, to seal the dorsal part of display module 4 The gap formed between the surface 24 around opening 20.

Between surface 24 of the sealing ring 6 of the LED display of this preferred embodiment around mounting seat 41 and opening 20, Because sealing ring 6 is in elastic squeezed state, the surface 24 around dorsal part and opening 20 so as to seal module body it Between the gap that is formed, prevent rainwater from entering by the gap in opening 20, and then flow into casing 2, cause the circuit in casing 2 Plate short circuit, improves the waterproof ability of LED display, its waterproof rank can reach IPx5, and the waterproof construction is simple.

Reference picture 3 and Fig. 4, in a preferred embodiment, casing 2 include electric-controlled box 21, and opening 20 is located at electric-controlled box 21 The back side, electric-controlled box 21 includes the automatically controlled plug socket 200 in opening 22；Display module 4 also includes the back of the body located at module body The module plug socket 400 surrounded on side, for mounting seat 41；Automatically controlled plug socket 200 and the socket connection of module plug socket 400 and it is electrical Connect electric-controlled box 21 and display module 4.

The module plug socket 400 being located in mounting seat 41 of the preferred embodiment and the electricity of automatically controlled plug socket 200 in opening Property grafting, realize power supply and data terminal integration connection, wiring and attachment structure are simple, it is to avoid use connector or line Cable is indirectly connected with display module 4 and electric-controlled box 21, without between module and connector, between connector and electric-controlled box points Waterproof is not carried out, and the waterproof construction is greatly simplified, good water-proof effect, and the water inlet rate of display screen can reduce at least 50%.

Reference picture 3 and Fig. 4, in the preferred embodiment, further, the module plug socket 400 is plug, automatically controlled grafting Seat 200 is socket, or the module plug socket 400 is socket, and automatically controlled plug socket 200 is plug.Obviously, connected structure letter Single, grafting easily, without setting connector or cable, while facilitating waterproof construction to design, simplifies waterproof construction.In addition, should Electric-controlled box 21 also includes integrated power supply and signal receives sending card.

Referring to figs. 1 to Fig. 4, in a preferred embodiment, the quantity of display module 4 is at least four, at least four displays The splicing of module 4 is on casing 2.

At least four display modules 4 splicing of the preferred embodiment is set, and then can control the viewing area of LED display The size in domain, to meet the demand of various sizes of LED display.

Reference picture 4, in the preferred embodiment, further, the quantity of the display module 4 is preferably four, i.e. the LED Display screen is spliced by four pieces of display modules 4, correspondingly, and the quantity of the opening 20 set on casing 2 is also four, and four are opened Mouth 20 is arranged side by side two-by-two, the phase of automatically controlled plug socket 200 in the module plug socket 400 of four display modules 4 and four openings 20 To setting.

Reference picture 1, Fig. 3, Fig. 5 and Fig. 6, in a preferred embodiment, mounting seat 41 include being formed at the back of the body of module body Bottom surface and the flange collar 40 being convexly equipped on bottom surface on side, sealing ring 6 have the ring recess 60 of correspondence flange collar 40, and ring recess 60 houses flange collar 40 and sealing ring 6 and bottom surface contradict.

The ring recess 60 of the sealing ring 6 of the preferred embodiment coordinates with flange collar 40, sealing ring 6 is can be easily mounted to mounting seat 41 On, installation effectiveness is improved, and sealing ring 6 contradicts with bottom surface and coordinates and coordinate with the conflict on the surface 24 of casing 2, sealing ring 6 Good sealing effect, can effectively prevent rainwater from entering by the opening 20 on casing 2 in casing 2.

Reference picture 1, in the preferred embodiment, further, the ring recess 60 of sealing ring 6 is higher than flange collar 40, i.e. sealing ring 6 Enclose to form extruding space 82 with the top of flange collar 40.

The extruding space 82 of the preferred embodiment can provide the space of compression elastic telescopic for sealing ring 6, and sealing ring 6 is pacified After between display module 4 and casing 2, extruding space 82 is squeezed and deformed upon in sealing ring 6, make sealing ring 6 with Conflict area increase between the surface 24 of casing 2, so in the case where applying less pressure, the deformation of sealing ring 6 is than larger, you can Realize sealing.

Reference picture 1, Fig. 3, Fig. 5 and Fig. 6, in the preferred embodiment, further, mounting seat 41 also includes being convexly equipped in The first lug circle 42 on bottom surface, around flange collar 40 and be convexly equipped on bottom surface, be spaced in flange collar 40 and with flange collar 40 the Two lug circles 44.The lateral surface of sealing ring 6 is outward extended with first lug circle 62, and the medial surface of sealing ring 6, which extends internally, Two lug circles 64.The side of the lug circle 42 of first lug circle 62 and first, which is contradicted, to be coordinated and the second lug circle 64 and the second lug circle 44 side, which is contradicted, to be coordinated.

The lug circle 42 of first lug circle 62 and first of the preferred embodiment, which is contradicted, to be coordinated, and the second lug circle 64 and second Lug circle 44 contradict coordinate, further increase the sealing area between sealing ring 6 and mounting seat 41, enhance sealing ring 6 with Sealing effectiveness between the dorsal part of display module 4.

Reference picture 1, Fig. 3, Fig. 5 and Fig. 6, in the preferred embodiment, yet further, mounting seat 41 also includes projection The first clamping ring 45 for being connected on bottom surface between the first lug circle 42 and flange collar 40, with the first lug circle 42 and it is convexly equipped in second The second clamping ring 47 being connected on bottom surface between lug circle 44 and flange collar 40, with the second lug circle 44；First clamping ring 45 and flange collar 40 coordinate, the seal ring part 6 for the side of clip first lug circle 62；Second clamping ring 47 coordinates with flange collar 40, for clip The seal ring part 6 of the side of second lug circle 64.

First clamping ring 45 and the clip seal ring part 6 of flange collar 40 of the preferred embodiment, and the second clamping ring 47 and flange collar 40 Clip seal ring part 6, again increases the sealing area between sealing ring 6 and mounting seat 41, makes sealing ring 6 and module body Dorsal part between sealing effectiveness preferably, prevented the contact site that rain penetration is crossed between sealing ring 6 and mounting seat 41 completely Possibility.

Reference picture 5 and Fig. 6, in a preferred embodiment, in vpg connection, the sealing ring 6 includes the first segmental arc, second Segmental arc, the first linkage section and the second linkage section, the first linkage section and the second linkage section be arranged in parallel, the two ends of the first linkage section A free end of the first segmental arc and a free end of the second segmental arc are connected respectively, and the two ends of the second linkage section connect respectively Another free end of one segmental arc and another free end of the second segmental arc.In terms of material, sealing ring 6 is elastomer, enters one Step ground, the sealing ring 6 is preferably rubber ring.

Referring to figs. 1 to Fig. 4, in a preferred embodiment, the first gear around opening 20 is convexly equipped with the surface 24 of casing 2 Waterwall 22, the dorsal part of module body is provided with the second waterwall 46 around mounting seat 41, and the first waterwall 22 is located at second gear Between waterwall 46 and mounting seat 41.

First waterwall 22 of the preferred embodiment coordinates with the second waterwall 46, can stop rainwater, eliminates rainwater Impulsive force, prevents rain-impact power from causing to seep water at sealing, in combination with sealing ring 6, the waterproof rank of the LED display is up to IPx5。

Further, second waterwall 46 is arranged on the bottom surface of mounting seat 41, with the first lug circle 42 formation dash Groove 80, the water-blocking groove 80 houses first waterwall 22.

Reference picture 3 and Fig. 4, further, the lower end of first waterwall 22 are provided with the first drain chamber 220, and this One drain chamber 220 can be discharged the water entered between the first waterwall 22 and mounting seat 41 rapidly by the effect of gravity, Prevent ponding.In addition, the lower end of the first lug circle 42 is provided with the second drain chamber 420, second drain chamber 420 can be by Discharged rapidly by the effect of gravity into the water between the first lug circle 42 and flange collar 40, prevent ponding.

Referring to figs. 1 to Fig. 4, in a preferred embodiment, the dorsal part of module body is provided with the first adsorption piece 48, casing 2 On be additionally provided with the second adsorption piece 28 of the first adsorption piece 48 of correspondence, the first adsorption piece 48 and the magnetic absorption of the second adsorption piece 28 are with general Display module 4 is arranged on casing 2, and sealing ring 6 is extruded to flange collar 40.

The display module 4 of the preferred embodiment is realized by magnetic absorption with casing 2 and installed, quick to position, without artificial Align, and need not additionally increase screw and fix；Display module 4 is dismantled quickly simultaneously；Therefore, the work of installation and removal is simplified Sequence, substantially increases the efficiency of its installation and removal, reduces assembling and maintenance cost.

Further, the first adsorption piece 48 and the second adsorption piece 28 are the magnet that heteropole is oppositely arranged.Right not limited to this, the One of one adsorption piece 48 and the second adsorption piece 28 are magnet, and another is metallic object, and magnet absorption metallic object can equally realize magnetic Inhale and install.Obviously, the first adsorption piece 48 or the second adsorption piece 28 can also be electromagnet, by conductive with magnetic.

Further, the quantity of the adsorption piece 28 of the first adsorption piece 48 and second can be set according to actual needs Put, as long as can realize that magnetic absorption is installed.In the preferred embodiment, the quantity of first adsorption piece 48 is preferably five It is individual, the dorsal part of module body is distributed in, the quantity of second adsorption piece 28 is preferably five, is distributed on casing 2, wherein, one First adsorption piece 48, one second adsorption piece 28 of correspondence is set, so as to realize that rapid-aligning is installed and installation steadiness is good.

Referring to figs. 1 to Fig. 6, in a preferred embodiment, the waterproof principle of the LED display is as follows：

First of protection：Second waterwall 46 and the dash of the first waterwall 22, eliminate the impulsive force of water；Second is protected： The first drain chamber 220 that 22 lower ends of the first waterwall are provided with, the second drain chamber that the lower end of the first lug circle 42 is provided with 420, even if water enters, also it is discharged quickly；3rd road is protected：Ring recess 60, first lug circle 2, the second lug circle of sealing ring 6 64, and mounting seat 41 the structure such as flange collar 40, the first lug circle 42, the second lug circle 44, the first clamping ring 45, the second clamping ring 47 Optimization design improves sealing and water resistance with coordinating, and realizes that the 3rd road is protected.Additionally, due to the special construction of sealing ring 6, only It is that sealing can be achieved to need very faint pressure such as magnetic, reaches waterproof effect, it is to avoid must screw and be fastened and cause new Water inlet risk.

Referring to figs. 1 to Fig. 6, in a preferred embodiment, the assembling process of the LED display is as follows：

The ring recess 60 of sealing ring 6 is housed to the flange collar 40 of the mounting seat 41 of display module 4, and it is convex to be set in sealing ring 6 On circle 40, while between the insertion clamping ring 45 of flange collar 40 and first of seal ring part 6 of the side of first lug circle 62, first lug circle 62 and first lug circle 42 contradict and coordinate, the seal ring part 6 of the side of the second lug circle 64 insertion clamping ring 47 of flange collar 40 and second Between, the second lug circle 64 and the second lug circle 44, which are contradicted, to be coordinated, and then sealing ring 6 is arranged on to the mounting seat of display module 4 In 41；

After five the first adsorption pieces 48 of one display module 4 are alignd with five the second adsorption pieces 28 on casing 2, by two Person is close to magnetic absorption laminating, and now, the parameatal surface 24 of casing 2 is contradicted with the extruding of sealing ring 6 to be coordinated, due to close The ring recess 60 of seal 6 is higher than the flange collar 40, and then the top of ring recess 60 and flange collar 40 forms extruding space 82, the extruding space 82 is deformable because extruding, and then can increase the sealing area of sealing ring 6 and the surface 24 of casing 2, improves sealing；Show simultaneously Module plug socket 400 in the mounting seat 41 of module 4 connects with the electrical grafting of automatically controlled plug socket 400 in the opening 22 of electric-controlled box 21 Connect；

Other three display modules 4 are spliced on casing 2, so as to complete the assembling of the LED display.Obviously, Due to being installed using magnetic absorption, the simple installation is easy to operate, greatly improves installation effectiveness.

The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims

1. a kind of LED display, it is characterised in that display module including casing, on the casing and located at described Sealing ring between casing and display module,

The surface of the casing is provided with opening, and the display module is electrical by the opening and circuit board in the casing Connection；

The display module includes module body and the mounting seat on the dorsal part of the module body, and the mounting seat is used for The sealing ring is installed；

The sealing ring is surrounded around the opening and elasticity is squeezed in the surface around the mounting seat and the opening Between, the gap formed between the surface around dorsal part and the opening to seal the module body；The mounting seat Including the bottom surface being formed on the dorsal part of the module body and the flange collar being convexly equipped on the bottom surface, the mounting seat also includes It is convexly equipped on the bottom surface, around the first lug circle of the flange collar；It is convex that the lateral surface of the sealing ring is outward extended with first Ear circle；The side of the first lug circle and the first lug circle, which is contradicted, to be coordinated.

2. LED display as claimed in claim 1, it is characterised in that the casing includes electric-controlled box, the opening is located at institute The back side of electric-controlled box is stated, the electric-controlled box includes the automatically controlled plug socket in the opening；The display module also includes setting In the module plug socket surrounded on the dorsal part of the module body, for the mounting seat；The automatically controlled plug socket and the module Plug socket socket connection and be electrically connected with the electric-controlled box and the display module.

3. LED display as claimed in claim 1 or 2, it is characterised in that the sealing ring has the circle of the correspondence flange collar Groove, the ring recess houses the flange collar and the sealing ring is contradicted with the bottom surface.

4. LED display as claimed in claim 3, it is characterised in that the ring recess of the sealing ring is higher than the flange collar.

5. LED display as claimed in claim 1, it is characterised in that the mounting seat also includes being convexly equipped on the bottom surface, In the flange collar and with the second lug circle at the flange collar interval；The medial surface of the sealing ring, which extends internally, second convex Ear circle；The side of the second lug circle and the second lug circle, which is contradicted, to be coordinated.

6. LED display as claimed in claim 5, it is characterised in that the mounting seat also includes being convexly equipped in the first lug circle The first clamping ring for being connected on bottom surface between flange collar, with the first lug circle and it is convexly equipped between the second lug circle and flange collar Bottom surface on, the second clamping ring for being connected with the second lug circle；First clamping ring coordinates with the flange collar, for clip institute State the seal ring part of first lug circle side；Second clamping ring coordinates with the flange collar, for the second lug described in clip Enclose the seal ring part of side.

7. LED display as claimed in claim 1 or 2, it is characterised in that be convexly equipped with the surface of the casing around described First waterwall of opening, the dorsal part of the module body is provided with the second waterwall around the mounting seat, described first Waterwall is located between second waterwall and the mounting seat.

8. LED display as claimed in claim 7, it is characterised in that the lower end of first waterwall is provided with the first draining Breach.

9. LED display as claimed in claim 6, it is characterised in that be convexly equipped with and opened around described on the surface of the casing First waterwall of mouth, the dorsal part of the module body is provided with the second waterwall around the mounting seat, the first gear Waterwall is located between second waterwall and the mounting seat.

10. LED display as claimed in claim 9, it is characterised in that the lower end of first waterwall is provided with the first draining Breach；The lower end of the first lug circle is provided with the second drain chamber.

11. LED display as claimed in claim 1 or 2, it is characterised in that the dorsal part of the module body is provided with first It is additionally provided with the second adsorption piece of correspondence first adsorption piece on adsorption piece, the casing, first adsorption piece and described the Two adsorption piece magnetic absorptions are squeezed the sealing ring to the mounting seat so that the display module is arranged on the casing Pressure.

12. LED display as claimed in claim 8, it is characterised in that the dorsal part of the module body is provided with the first absorption The second adsorption piece of correspondence first adsorption piece is additionally provided with part, the casing, first adsorption piece is inhaled with described second Annex magnetic absorption is extruded the sealing ring to the mounting seat so that the display module is arranged on the casing.

13. LED display as claimed in claim 10, it is characterised in that the dorsal part of the module body is inhaled provided with first The second adsorption piece of correspondence first adsorption piece, first adsorption piece and described second are additionally provided with annex, the casing Adsorption piece magnetic absorption is extruded the sealing ring to the flange collar so that the display module is arranged on the casing.

14. LED display as claimed in claim 2, it is characterised in that the quantity of the display module is four, described four Individual display module is two-by-two side by side on the casing；The quantity of the opening is four, and four openings are set side by side two-by-two Put；The module plug socket of four display modules is oppositely arranged with the automatically controlled plug socket in described four openings.