CN114360400A - Module structure of large semi-transparent display device - Google Patents

Abstract

The invention discloses a module structure of a large-scale semi-transparent display device, which is applied to a screen door of a subway and comprises a fixed frame, a transparent panel, a display screen and a backlight assembly, wherein the fixed frame comprises a first frame, a second frame, a third frame and a fourth frame which are stacked and assembled from front to back, the display screen is arranged on the first frame, corresponding components are arranged on a first wire groove on the back surface of the first frame, the backlight assembly is arranged on a backlight clamping groove between the second frame and the third frame, corresponding components are arranged on a second wire groove on the back surface of the second frame, the fourth frame shields the back surface structures of the first frame, the second frame and the third frame, a modularized frame structure is arranged, so that the components corresponding to different functions can be orderly and stably arranged in different frame positions, the structure is compact and exquisite, the wiring is reasonable, and meanwhile, only the square frame of the corresponding part needs to be disassembled during maintenance.

Description

Module structure of large semi-transparent display device

Technical Field

The invention belongs to the field of displays, and particularly relates to a module structure of a large semi-transparent display device.

Background

An Organic Light-Emitting Diode (OLED) has the advantages of self-luminescence, wide viewing angle, high contrast, low power consumption, high reaction rate, full color, simple manufacturing process, and the like, and is widely applied to various fields.

Along with the popularization of subways, the traveling of people is greatly facilitated, so that the daily passenger flow of a subway station is very large, the advertisement putting in the subway becomes one of important advertisement putting means, and due to the fact that the space is limited, the display screen is installed on a screen door of the subway, the space is saved, the public sight is easily attracted, and the advertisement putting effect is improved.

The structural design of its fixed frame of current subway display device is reasonable inadequately and retrencied, and then causes the volume small and exquisite inadequately, winding displacement is mixed and disorderly not have chapter and spare part extrudees each other, pulls and gathers heat, influences the life of subway display screen.

Disclosure of Invention

The present invention provides a module structure of a large-scale semi-transparent display device to solve the above technical problems in the related art.

The technical scheme of the invention is realized as follows:

a module structure of a large semi-transparent display device applied to a shielding door of a subway comprises a fixing frame, a transparent panel, a display screen and a backlight assembly,

the display screen is formed by splicing at least two liquid crystal display modules;

the backlight assembly comprises a backlight plate and a backlight source, the backlight source is arranged around the periphery of the backlight plate, the backlight source emits light towards the inside of the backlight plate, and scattering particles which are uniformly distributed are contained in the backlight plate;

the fixing frame comprises a first square frame, a second square frame, a third square frame and a fourth square frame which are stacked and assembled from front to back,

the front surface of the first square frame is provided with a panel clamping groove for clamping and supporting the transparent panel, the display screen is fixed on the back surface of the transparent panel, the back surface of the first square frame is provided with a first wire groove which protrudes backwards and has a backward notch, the first wire groove is used for placing components corresponding to the display screen,

the second frame is proportionally smaller than the first frame, the front surface of the second frame covers part of the notches of the first wire grooves, the periphery of the back surface of the second frame is provided with a second wire groove which protrudes backwards and has a backward notch, the second wire groove is used for placing components corresponding to the backlight assembly,

the third square frame is proportionally smaller than the second square frame, the outer periphery of the front surface of the third square frame covers part of the notches of the second wire grooves, the inner periphery of the front surface and the inner periphery of the back surface of the second square frame surround to form a backlight clamping groove, and the backlight clamping groove clamps and supports the backlight assembly,

the fourth frame shields the back structures of the first frame, the second frame and the third frame.

Preferably, the back surface of the third square frame is provided with a connecting groove protruding backwards and having a backward notch, the connecting groove has a certain distance from the inner edge of the third square frame, the fourth square frame is provided with a mounting hole at a position corresponding to the connecting groove, the mounting hole has a certain distance from the inner edge of the fourth square frame, the fourth square frame is fixed to the connecting groove by arranging a connecting piece to penetrate through the mounting hole, a part below the connecting groove of the third square frame and a part below the mounting hole of the fourth square frame surround to form a light supplementing clamping groove, and a light supplementing light source is installed in the light supplementing clamping groove.

Preferably, the first square frame comprises two first transverse profiles and two first vertical profiles, the second square frame comprises two second transverse profiles and two second vertical profiles, the third square frame comprises two third transverse profiles and two third vertical profiles, the fourth square frame comprises two fourth transverse profiles and four fourth vertical profiles, and the connecting end parts of the profiles positioned on the same side after assembly are flush;

the connecting end parts of the first transverse sectional material and the first vertical sectional material are connected and fixed to form the first square frame, the second transverse sectional material and the second vertical sectional material are only fixed to the back surfaces of the first transverse sectional material and the first vertical sectional material which are located on the same side, and the third transverse sectional material and the third vertical sectional material are only fixed to the back surfaces of the second transverse sectional material and the second vertical sectional material which are located on the same side.

Preferably, the section bar of the first square frame is provided with a first outer side wall, the inner surface of the first outer side wall protrudes towards the screen direction to form a first supporting beam, the front side edge of the first outer side wall is provided with a first clamping beam along the length direction of the section bar, and the front surfaces of the first clamping beam and the supporting beam form the panel clamping groove; the back of the first support beam protrudes backwards to form the first wire groove, an assembly cylinder penetrating along the length direction of the section bar is arranged between the first wire groove and the first outer side wall, the connecting end portion of the section bar of the first square frame is a 45-degree inclined plane, and an L-shaped piece is arranged to be clamped into the assembly cylinder of the adjacent section bar to be assembled into the first square frame.

Preferably, the back surface of the first outer side wall is provided with a first clamping strip protruding backwards and having an outward bayonet, the front surface of the section bar of the fourth square frame is provided with a fourth clamping strip protruding forwards and having an inward bayonet, the fourth clamping strip is buckled with the first clamping strip, and the second square frame and the third square frame are clamped between the first square frame and the fourth square frame which are buckled with each other.

Preferably, the first outer side wall is divided into a first vertical outer side wall located on the first vertical section bar and a first transverse outer side wall located on the first transverse section bar, the end portion of the first vertical outer side wall is provided with a first vertical abutting surface parallel to the horizontal plane, the end portion of the first transverse outer side wall is provided with an arc-shaped corner, the arc-shaped corner is provided with a first transverse abutting surface parallel to the horizontal plane, the assembled first square frame is provided, and the first vertical abutting surface is in contact with the first transverse abutting surface.

Preferably, the profile of the second square frame comprises a second main body frame plate positioned on the inner side and a second pressing plate part positioned on the outer side, the second pressing plate part covers part of the notch of the first trunking and is provided with a second mounting hole, and a connecting piece is arranged to penetrate through the second mounting hole to fix the profile of the second square frame on the back surface of the profile of the first square frame positioned on the same side;

the profile of the third square frame comprises a third main body frame plate positioned on the inner side and a third pressing plate part positioned on the outer side, the third pressing plate part covers part of the notch of the second wire casing and is provided with a third mounting hole, and a connecting piece is arranged to penetrate through the third mounting hole and is used for fixing the profile of the third square frame on the back face of the profile of the second square frame positioned on the same side.

Preferably, the second main body frame plate and the second cover plate part are not on the same plane, and the second main body frame plate is clamped in the inner frame of the first frame.

Preferably, the cross section of the space in the first wire groove and the second wire groove is T-shaped.

Preferably, the corner protector and the hanging piece are also included,

first clamping holes which are recessed from back to front are formed in the positions, close to the two ends, of the section of the first square frame, and the first clamping holes do not penetrate through the section of the first square frame from front to back; fourth clamping holes are formed in the positions, close to the two ends, of the section bar of the fourth square frame, and penetrate through the section bar of the fourth square frame in the front and back direction; the first clamping hole and the fourth clamping hole are corresponding in position and same in size, the main body of the corner protector is an L-shaped arc part, clamping columns are arranged on the inner surface of the corner protector, and the clamping columns are clamped in the first clamping hole and the fourth clamping hole at the same time, so that the corner protector covers and is fixed at the corner of the fixing frame;

the flying piece is including installing in the fixed part of shield door, the fixed part is connected with the convex supporting part forward, the supporting part is connected with and is used for connecting the installation department of fixed frame, the proud the supporting part makes fixed frame does not contact with the shield door.

The invention has the beneficial effects that:

(1) the modularized frame structure is arranged, so that components corresponding to different functions can be orderly and stably arranged in different frame positions, namely, the display screen is arranged on the first square frame, the corresponding components are arranged in the first wire grooves in the back of the first square frame, the backlight assembly is arranged in the clamping groove between the second square frame and the third square frame, the corresponding components are arranged in the second wire grooves in the back of the second square frame, and the components and the parts are reasonably arranged and designed;

(2) the backlight source and other components are separated, so that the adverse effect of the heat dissipation of the backlight source on the components can be reduced, and the mutual scratching or collision of the components can be effectively avoided by separating and arranging the components;

(3) the invention installed on the subway shield door can not shield the sight of subway passengers when the subway enters the station, and can play the advertisement content when the subway does not enter the station, thereby realizing good propaganda effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention (the transparent panel is omitted);

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic vertical section of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a third schematic structural diagram of the present invention (omitting the fourth block);

fig. 7 is a partial enlarged view at B of fig. 6;

FIG. 8 is an exploded view of the first block of the present invention;

fig. 9 is a partial enlarged view at C of fig. 8;

figure 10 is a schematic view of the structure of the transverse profile of the fixing frame of the invention;

FIG. 11 is a schematic view of the construction of the corner protector of the present invention;

FIG. 12 is a schematic diagram of the combination of the first block and the fourth block of the present invention;

FIG. 13 is a schematic view of a suspension member according to the present invention;

fig. 14 is a side view of a hanger of the present invention.

Reference numerals

The first square frame 1, a panel clamp groove 101, a first line groove 102, a first transverse profile 103, a first vertical profile 104, a first outer side wall 105, a first abutting beam 106, a first clamping beam 107, an assembling cylinder 108, a light transmission hole 109, a first clamping hole 1010, a first clamping strip 1011, a first transverse abutting surface 1012, an arc-shaped corner 1013 and an assembling groove 1014;

a second frame 2, a second wire groove 201, a second body frame plate 202, a second pressing plate portion 203;

a third frame 3, a connecting groove 301, a third main body frame plate 302, a third pressing plate portion 303;

a fourth frame 4, a fourth clamping hole 401 and a fourth clamping strip 402;

a transparent panel 5;

a display screen 6;

a backlight plate 7;

a backlight light source 8;

a light supplement light source 9;

a fixture block 10;

an L-shaped piece 11;

the corner protector 12, the clamping column 1201 and the clamping cambered surface 1202;

a suspension member 13, a fixing portion 1301, a rear piece 1301a, a top piece 1301b, a front piece 1301c, a first fixing hole 1302, a support portion 1303, a mounting portion 1304, a positioning portion 1304a, a connecting portion 1304b, and a second fixing hole 1304 c;

a backlight clip groove 14;

a light supplement clip groove 15;

an indicator light 16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

It is to be understood that "front" refers to the direction of the invention towards the subway station after installation, and "rear" is the opposite direction; the front surface refers to one surface of the invention which faces the subway station after being installed, and the back surface refers to the opposite other surface; "inner" refers to the direction toward the center of the present invention, and "outer" refers to the opposite direction.

As shown in fig. 1 to 14, a module structure of a large-scale semi-transparent display device includes a fixing frame, a transparent panel 5, a display screen 6 and a backlight assembly, and is applied to a screen door of a subway.

The display screen 6 is formed by sequentially assembling at least two liquid crystal display modules through transparent resin.

The backlight assembly comprises a backlight plate 7 and a backlight light source 8, wherein the backlight light source 8 surrounds the periphery of the backlight plate 7, the backlight light source 8 emits light towards the inside of the backlight plate 7, the backlight plate 7 is made of a transparent acrylic material and contains scattering particles which are uniformly distributed, the backlight plate 7 converts a side light source into a surface light source, the backlight plate 7 is in a transparent state if no light is emitted, and the backlight plate is in an atomized state if light is emitted.

The fixing frame comprises a first square frame 1, a second square frame 2, a third square frame 3 and a fourth square frame 4 which are stacked and assembled from front to back.

A panel clamping groove 101 for clamping and supporting the transparent panel 5 (tempered glass) is formed in the front surface of the first frame 1, the display screen 6 is fixed on the back surface of the transparent panel 5, a first wire groove 102 which protrudes backwards and has a backward notch is formed in the back surface of the first frame 1, and components (such as wires and the like, which are not shown in the drawing) corresponding to the display screen 6 are placed in the first wire groove 102;

the second frame 2 is proportionally smaller than the first frame 1, the front surface of the second frame 2 covers part of the notches of the first line grooves 102 (uncovered notches for the wires to pass through), the periphery of the back surface is provided with a second line groove 201 which protrudes backwards and has a backward notch, and the second line groove 201 is used for placing components (such as wires and the like, which are not shown in the drawing) corresponding to the backlight assembly;

the third square frame 3 is proportionally smaller than the second square frame 2, the outer periphery of the front surface of the third square frame 3 covers part of the notches of the second wire grooves 201 (the uncovered notches are used for leading out wires), the inner periphery of the front surface and the inner periphery of the back surface of the second square frame 2 surround to form a backlight clamping groove 14, and the backlight assembly is clamped and supported by the backlight clamping groove 14;

the fourth frame 4 covers the back structures of the first frame 1, the second frame 2 and the third frame 3, so that the appearance of the embodiment is simpler and more attractive.

In the embodiment, a modularized frame structure is arranged, so that components corresponding to different functions can be orderly and stably arranged in different frame positions, that is, the display screen 6 is arranged on the first frame 1, the corresponding components are arranged in the first wire grooves 102 on the back of the first frame 1, the backlight assembly is arranged in the clamping groove between the second frame 2 and the third frame 3, the corresponding components are arranged in the second wire grooves 201 on the back of the second frame 2, and the arrangement and design of each component and component are reasonable, so that the structure is compact and exquisite, the occupied area is small, the wire arrangement is reasonable and neat, the assembly efficiency is effectively improved, and meanwhile, only the frame of the corresponding component needs to be disassembled during maintenance, and the maintenance efficiency and convenience are improved; the backlight source 8 and other components are separated, the adverse effect of the heat dissipation of the backlight source 8 on the components can be reduced, and the mutual scratch or impact can be effectively avoided by separating and arranging the components.

The use state of the embodiment is as follows: turning off the backlight light source 8, wherein the backlight plate 7 is in a transparent state, and the display screen 6 is powered on at the moment, so that opposite scenes can be seen through the display screen 6 from front to back respectively; the backlight source 8 is started, light rays are injected to enable the backlight plate 7 to be in an atomized light-emitting state, the display screen 6 is powered on, the transparency of the display screen 6 can be seen, the playing picture of the display screen 6 is clearer and brighter, therefore, the embodiment of the subway shielding door cannot shield the sight of subway passengers when a subway enters a station, and meanwhile, advertising contents can be played in the non-station-entering time of the subway, and a good advertising effect is achieved.

Further, the back of the third frame 3 is provided with a connection groove 301 protruding backward and having a backward notch, the connection groove 301 has a certain distance from the inner edge of the third frame 3, the fourth frame 4 is provided with a mounting hole at a position corresponding to the connection groove 301, the mounting hole has a certain distance from the inner edge of the fourth frame 4, the fourth frame 4 passes through the mounting hole through a connecting member (such as a screw) and is fixed to the connection groove 301, a portion below the connection groove 301 of the third frame 3 and a portion below the mounting hole of the fourth frame 4 surround to form a light supplement clamping groove 15, and a light supplement light source 9 is installed in the light supplement clamping groove 15.

Because the content definition of the liquid crystal module during playing is in direct proportion to the brightness and the uniformity behind the liquid crystal module, and the light of the backlight source 8 is lost when being transmitted to the middle part from the edge of the backlight plate 7, the problem is solved by arranging the light supplementing light source 9 in the embodiment, and because the third square frame 3 is proportionally smaller than the second square frame 2, the installed light supplementing light source 9 is closer to the middle part of the backlight plate 7 than the backlight source 8, so that a better light supplementing function is realized.

On the other hand, in the prior art, the surrounding areas of the panel clamping grooves 101, the backlight clamping grooves 14 and other plate-shaped parts clamping grooves are mostly the same, but it is only required to ensure that the light emitting areas of the plate-shaped parts and the light emitting parts, such as the backlight plate 7, positioned behind the liquid crystal display module are equal to or slightly larger than the display area of the liquid crystal, so that the embodiment is provided with the second square frame 2 and the third square frame 3 which are reduced in equal proportion, the surrounding areas of the panel clamping grooves 101, the backlight clamping grooves 14 and the light supplement clamping grooves 15 are sequentially reduced, the material consumption of the square frames, the material consumption of the backlight plate 7 and the use quantity of the light source lamp beads can be reduced to a certain extent, and the production cost is controlled.

The backlight light source 8 and the light supplementing light source 9 can be small-sized illuminating parts sold in the market, preferably, LED side illuminating lamp strips are adopted, and only the installation space with the width of 8-12mm is needed, so that the thickness of the embodiment is effectively reduced.

In this embodiment, the sizes of the display pixels and the display area of the liquid crystal display module are the same. Because conventional liquid crystal display module assembly has all kept the periphery of broad, in order to reduce the influence of the junction of liquid crystal display module assembly to the display effect as far as possible, this embodiment will the liquid crystal display module assembly is used for the periphery of concatenation to polish to 0.5-2mm, then splices.

In the actual production process, the liquid crystal display module has several relatively fixed production sizes, and if the special size is customized again, the cost of the embodiment is relatively high, so that the cost of the embodiment can be effectively controlled by splicing a plurality of liquid crystal display modules with conventional sizes to a target size. Specifically, the liquid crystal display module can be multi-screen combined to display only one content, and can also display different contents respectively; the connection terminal of the liquid crystal display module can be set as a flexible flat cable, the flexible flat cable can pass through a crack between the first frame 1 and the second frame 2, and then the external connection end of the flexible flat cable is arranged in the first wire slot 102.

Further, the first square frame 1 comprises two first transverse profiles 103 and two first vertical profiles 104, the second square frame 2 comprises two second transverse profiles and two second vertical profiles, the third square frame 3 comprises two third transverse profiles and two third vertical profiles, the fourth square frame 4 comprises two fourth transverse profiles and four fourth vertical profiles, and the connecting end portions of the profiles positioned on the same side after assembly are flush;

the connecting ends of the first transverse profile 103 and the first vertical profile 104 are connected and fixed to form the first square frame 1, the second transverse profile and the second vertical profile are only fixed to the back surfaces of the first transverse profile 103 and the first vertical profile 104 which are positioned on the same side, and the third transverse profile and the third vertical profile are only fixed to the back surfaces of the second transverse profile and the second vertical profile which are positioned on the same side.

Except the modularization square frame structure, the embodiment has still further set up modular section bar spare, this embodiment is only the section bar spare of first square frame 1 is connected fixedly, in order to guarantee whole framework, other section bar spares are all fixed and are located the section bar back with one side, need not to dismantle whole square frame during the maintenance, can follow the unilateral section bar dismantlement of carrying out selectively at the back of this embodiment, the convenience of overhauing has greatly been improved, and carry out reasonable modularization decomposition with whole fixed frame, when certain section bar wherein takes place to damage, also only need the unilateral section bar of replacement corresponding position, need not to change whole square frame, the replacement cost reduces by a wide margin.

Specifically, the profile of the first block 1 has a first outer side wall 105, an inner surface of the first outer side wall 105 protrudes toward the screen to form a first abutting beam 106, a front side edge of the first outer side wall 105 is provided with a first clamping beam 107 along the length direction of the profile, and the front surfaces of the first clamping beam 107 and the abutting beam form the panel clamping groove 101; first back protrusion formation of propping roof beam 106 first wire casing 102, be provided with along the equipment section of thick bamboo 108 that section bar length direction runs through between first wire casing 102 and the first lateral wall 105, the tip of being connected of the section bar of first square frame 1 is 45 degrees inclined planes, sets up the equipment section of thick bamboo 108 assembly that L shape piece 11 card goes into adjacent section bar first square frame 1, first square frame 1 is as holistic design frame, carries out card through L shape piece 11 and inserts connection convenient and fast more.

Furthermore, the section bar of the first square frame 1 is provided with an assembling groove 1014 penetrating along the length direction at the position close to the inner edge, and the adjacent section bar of the first square frame 1 is provided with a fixture block 10 clamped in the assembling groove 1014, and the fixture block and the L-shaped member 11 are cooperated to have the effect of assisting in shaping.

In this embodiment, the back surface of the first outer side wall 105 is provided with a first clamping strip 1011 protruding backward and having an outward bayonet, the front surface of the profile of the fourth frame 4 is provided with a fourth clamping strip 402 protruding forward and having an inward bayonet, the fourth clamping strip 402 is buckled with the first clamping strip 1011, the second frame 2 and the third frame 3 are clamped between the first frame 1 and the fourth frame 4 buckled with each other, so that the appearance of this embodiment is simpler, the design of the mutual buckling facilitates positioning and assembling of the profile of the fourth frame 4, and the sealing performance is also improved to a certain extent.

Specifically, the first outer side wall 105 is divided into a first vertical outer side wall located on the first vertical section bar 104 and a first horizontal outer side wall located on the first horizontal section bar 103, an end of the first vertical outer side wall is provided as a first vertical abutting surface parallel to a horizontal plane, an end of the first horizontal outer side wall is provided as an arc-shaped corner 1013, the arc-shaped corner 1013 has a first horizontal abutting surface 1012 parallel to the horizontal plane, the first vertical abutting surface contacts with the first horizontal abutting surface 1012, and the outer side wall of the fourth frame 4 is flush with the first outer side wall 105 after assembly of the first frame 1. It can be known from the foregoing that first frame 1 and fourth frame 4 are the outward appearance frame of this embodiment, consequently with the turning setting in first horizontal lateral wall, compare with the simple 45 degrees inclined plane butt joints of current section bar, do not have the pointed end that collides with easily, the design of butt joint face also is favorable to quick location equipment moreover.

In this embodiment, the profile of the second frame 2 includes a second main body frame plate 202 located at the inner side and a second pressing plate portion 203 located at the outer side, the second pressing plate portion 203 covers a part of the notch of the first wire slot 102 and is provided with a second mounting hole, and a connecting member is arranged to pass through the second mounting hole to fix the profile of the second frame 2 on the back side of the profile of the first frame 1 located at the same side;

the profile of the third square frame 3 comprises a third main body frame plate 302 positioned on the inner side and a third pressing plate portion 303 positioned on the outer side, the third pressing plate portion 303 covers a part of the notch of the second wire groove 201 and is provided with a third mounting hole, and a connecting piece is arranged to penetrate through the third mounting hole to fix the profile of the third square frame 3 on the back of the profile of the second square frame 2 positioned on the same side;

above-mentioned design make full use of wire casing and the structure of pressure board portion makes it except that the winding displacement function, still has installation fixed function, third pressure board portion 303 does not shelter from second pressure board portion 203 makes fixed knot construct with walk the line more directly perceived, convenient maintenance.

Specifically, the second main body frame plate 202 and the second cover plate part are not on the same plane, the second main body frame plate 202 is clamped in the inner frame of the first frame 1, the design facilitates quick positioning of the position of the section bar of the second frame 2, and then the section bar is installed and fixed, and the second wire groove 201 is formed in the back of the second main body frame plate 202.

In this embodiment, the cross-section of the space inside the first wire groove 102 and the second wire groove 201 is T-shaped, and after the wires are placed inside, the internal structure of the T-shape can better prevent the wires from bending and protruding, and avoid the repeated wire arrangement.

In this embodiment, every the liquid crystal display module all is provided with corresponding pilot lamp 16, first horizontal section bar 103 is provided with a plurality of light trap 109 around running through, pilot lamp 16 installs in nearest the back of light trap 109, pilot lamp 16 is used for the position of the connecting terminal and the wire of its liquid crystal display module that corresponds of suggestion, makes things convenient for maintenance personal to discern and dismantles corresponding section bar. In actual production, other components can be selectively integrated with the indicator light 16, so that the whole circuit connection structure is tidier. First horizontal section bar 103 does not set up light trap 109 according to the connecting terminal position of actual product, but directly sets up a plurality of, convenient unified production.

The embodiment further comprises a corner protector 12, wherein first clamping holes 1010 which are recessed from back to front are formed in the positions, close to two ends, of the section bar of the first square frame 1, and the first clamping holes 1010 do not penetrate through the section bar of the first square frame 1 from front to back; fourth clamping holes 401 are formed in the positions, close to the two ends, of the section bar of the fourth frame 4, and the fourth clamping holes 401 penetrate through the section bar of the fourth frame 4 in the front and back direction; first card hole 1010 and fourth card hole 401's position corresponds and the size is the same, the main part of angle bead spare 12 is L shape arc spare, the internal surface of angle bead spare 12 is provided with card post 1201, card post 1201 simultaneously block in first card hole 1010 and fourth card hole 401 make angle bead spare 12 cover and be fixed in the turning of fixed frame, angle bead spare 12 sets up except that the protection turning, supplementary equipment and leveling in addition the effect of fixed frame.

The corner strength of the fixing frame is effectively improved by the structural design, and the fixing frame is not easy to collide and damage; because the subway can lead to the screen door to produce the vibration because the traveling of subway, for the embodiment of installing on the screen door, the vibration is from the back forward propagation, namely angle bead 12 can produce the antedisplacement because of the vibration, consequently, the first card hole 1010 of this embodiment does not run through around, with this prevention angle bead 12 gradually antedisplacement, avoids angle bead 12 to drop.

The shape of the card hole is not specially specified, and essentially, the normal use of the display screen 6 is not influenced.

In this embodiment, the first fastening hole 1010 and the fourth fastening hole 401 respectively penetrate through the outer side wall of the corresponding profile along the plane direction of the profile to form an opening, so that the corner protector 12 is relatively convenient to mount.

In this embodiment, along the plane direction of the corresponding profile, the cross-sectional structures of the first locking hole 1010 and the fourth locking hole 401 are such that the width of the opening is smaller than the width of the inner side, so that the corner protector 12 cannot be removed from the outer side wall of the profile after being installed.

In this embodiment, the first fastening hole 1010 and the fourth fastening hole 401 include a square portion, one end of the square portion penetrates through the outer side wall of the profile to form the opening, the other end of the square portion is communicated with a semicircular portion, the groove width of the square portion is smaller than the diameter of the semicircular portion, and the shape of the fastening column 1201 corresponds to the shape of the fastening hole, and is similar to a mushroom shape. When the embodiment is impacted by external force, the design of the semicircular part can better decompose the external force, weaken the impact and reduce the probability of corner damage or breakage of the clamping column 1201. Preferably, the size of the clamping column 1201 is slightly smaller than that of the clamping hole, so that the production precision requirement is reduced.

In this embodiment, the included angle of the L-shaped arc member is equal to or less than 90 degrees, and the corner protector 12 has a slight elastic deformation capability, and the limitation of the angle makes the corner protector 12 fit the corner of the fixing frame after being installed.

In this embodiment, the front edge of the corner protector 12 is bent downward to form a card arc surface 1202 with an L-shaped front surface, so as to increase the coverage area of the corner protector 12, and the rear edge of the corner protector 12 is flush or substantially flush with the rear surface of this embodiment.

Since the assembly of the card hole and the card column 1201 is to apply force to press and snap into the card arc surface 1202, in this embodiment, the card column 1201 does not extend to the card arc surface 1202, and a space is reserved for assembly.

In this embodiment, the thickness of angle bead spare 12 is diminished to both ends by the department of bending gradually, the department of bending of angle bead spare 12 sets up to the circular arc transition, guarantees to receive the structural strength of the department of bending that collides with most easily, and the diminishing of thickness is favorable to angle bead spare 12 produces slight elastic deformation.

The embodiment further comprises a suspension part 13, the suspension part 13 comprises a fixing part 1301 installed on the shield door, the fixing part 1301 is connected with a supporting part 1303 protruding forwards, the supporting part 1303 is connected with an installation part 1304 used for connecting the fixing frame, and compared with an installation mode of tightly attaching to the shield door or being very close to the shield door, the supporting part 1303 protrudes outwards, so that the installed embodiment is not in contact with the shield door, repeated impact cannot occur to the embodiment with the shield door, although the embodiment still can vibrate under the driving of the shield door, the vibration is weakened to a certain extent through the conduction of the supporting part 1303, the adverse effect of the embodiment caused by the vibration is reduced, and the service life of the embodiment is prolonged.

In this embodiment, the fixing portion 1301 is an inverted U-shaped sheet structure, and the fixing portion 1301 is directly hooked to the upper edge of the shield door, which facilitates installation.

In this embodiment, the inner width of the fixing portion 1301 is matched with the thickness of the upper edge of the shield door, and the matching of the size can avoid the generation of vibration noise caused by the collision between the fixing portion 1301 and the upper edge.

In this embodiment, the fixing portion 1301 includes a rear piece 1301a, a top piece 1301b and a front piece 1301c, the pieces are in arc transition, so as to reduce stress concentration at the corner, the front piece 1301c is provided with a first fixing hole 1302, and screws or the like pass through the first fixing hole 1302, so as to further fix the suspension member 13 to the screen door, thereby improving the installation firmness.

In this embodiment, the supporting portion 1303 is formed by extending and protruding the lower end of the front piece 1301c outward, so that the production and molding are facilitated, and compared with the supporting portion 1303 formed by extending and protruding the other position of the front piece 1301c outward, the stress concentration area can be reduced by forming the supporting portion at the lower end.

In this embodiment, the supporting portion 1303 is formed by extending the lower end of the front piece 1301c outward and obliquely downward. Since other components such as the fixing frame are hung on the lower portion of the hanging member 13, the pulling force on the supporting portion 1303 is downward, and the supporting portion 1303 is in a state of being inclined downward compared with the direction of being inclined upward and horizontal, so that the stress at the turning point between the supporting portion 1303 and the front sheet 1301c is small and is not easy to break. The transition between the support portion 1303 and the front piece 1301c is a circular arc transition.

In this embodiment, the installation department 1304 by the outer end of supporting part 1303 down extends and forms, and convenient production shaping reduces the formation in stress concentration district, fixed part 1301, supporting part 1303 and installation department 1304 be integrated into one piece and continuous sheet structure, and this design makes supporting part 1303 can take place slight elastic deformation, makes the vibration by fixed part 1301 passes through supporting part 1303 conducts to during the installation department 1304, the elastic deformation of supporting part 1303 has weakened some vibrations, weakens the harmful effects of vibration to this embodiment.

In the case that the support portion 1303 protrudes outward to a width sufficient to prevent the embodiment from contacting the screen door, the mounting portion 1304 is parallel or substantially parallel to the front sheet 1301c, so that the mounted embodiment occupies as little space as possible.

In this embodiment, first horizontal lateral wall is provided with the correspondence the installation department 1304 keeps away the empty breach, installation department 1304 is provided with second fixed orifices 1304c, installation department 1304 passes keep away the empty breach and stretch into this embodiment inside, connect the installation through screw etc. reduce exposed structure, whole succinct pleasing to the eye more.

Specifically, the installation part 1304 includes a positioning part 1304a and a connecting part 1304b, the positioning part 1304a is provided with a second fixing hole 1304c, the second fixing hole 1304c corresponds to the second installation hole, the positioning part 1304a is connected and installed by extending the clearance gap into the inside of the present embodiment, the positioning part 1304a is limited and clamped outside the clearance gap, and the design of the positioning part 1304a facilitates quick positioning and assembling of the suspension member 13.

The assembly sequence of this embodiment is: assembling the section bar of the first square frame 1 through the L-shaped piece 11, clamping and supporting the transparent panel 5, and arranging the display screen 6 and the corresponding components; aligning the first fixing hole 1302 of the hanging member 13 with the second mounting hole of the second frame 2, assembling the section bar for fixing the second frame 2 and completing the mounting of the hanging member 13, and mounting the backlight assembly; assembling and fixing the section bar of the third square frame 3, arranging the light supplementing assembly, fastening the corner protection member 12 to the corner of the first square frame 1, assembling and fixing the section bar of the fourth square frame 4, and completing the installation of the embodiment.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A module structure of a large semi-transparent display device applied to a shielding door of a subway comprises a fixing frame, a transparent panel, a display screen and a backlight assembly,

the display screen is formed by splicing at least two liquid crystal display modules;

the backlight assembly comprises a backlight plate and a backlight source, the backlight source is arranged around the periphery of the backlight plate, the backlight source emits light towards the inside of the backlight plate, and scattering particles which are uniformly distributed are contained in the backlight plate;

the fixing frame comprises a first square frame, a second square frame, a third square frame and a fourth square frame which are stacked and assembled from front to back,

the front surface of the first square frame is provided with a panel clamping groove for clamping and supporting the transparent panel, the display screen is fixed on the back surface of the transparent panel, the back surface of the first square frame is provided with a first wire groove which protrudes backwards and has a backward notch, the first wire groove is used for placing components corresponding to the display screen,

the second frame is proportionally smaller than the first frame, the front surface of the second frame covers part of the notches of the first wire grooves, the periphery of the back surface of the second frame is provided with a second wire groove which protrudes backwards and has a backward notch, the second wire groove is used for placing components corresponding to the backlight assembly,

the third square frame is proportionally smaller than the second square frame, the outer periphery of the front surface of the third square frame covers part of the notches of the second wire grooves, the inner periphery of the front surface and the inner periphery of the back surface of the second square frame surround to form a backlight clamping groove, and the backlight clamping groove clamps and supports the backlight assembly,

the fourth frame shields the back structures of the first frame, the second frame and the third frame.

2. The module structure according to claim 1, wherein a connection groove protruding backward and having a backward notch is disposed on a back surface of the third frame, the connection groove has a certain distance from an inner edge of the third frame, a mounting hole is disposed on the fourth frame at a position corresponding to the connection groove, the mounting hole has a certain distance from an inner edge of the fourth frame, the fourth frame is fixed to the connection groove by a connection member passing through the mounting hole, a portion below the connection groove of the third frame and a portion below the mounting hole of the fourth frame surround to form a light supplement clamping groove, and a light supplement light source is mounted in the light supplement clamping groove.

3. The modular structure according to claim 1 or 2, characterized in that said first frame comprises two first transverse profiles and two first vertical profiles, said second frame comprises two second transverse profiles and two second vertical profiles, said third frame comprises two third transverse profiles and two third vertical profiles, said fourth frame comprises two fourth transverse profiles and fourth vertical profiles, and the connecting ends of the profiles situated on the same side after assembly are flush;

the connecting end parts of the first transverse sectional material and the first vertical sectional material are connected and fixed to form the first square frame, the second transverse sectional material and the second vertical sectional material are only fixed to the back surfaces of the first transverse sectional material and the first vertical sectional material which are located on the same side, and the third transverse sectional material and the third vertical sectional material are only fixed to the back surfaces of the second transverse sectional material and the second vertical sectional material which are located on the same side.

4. The module structure of claim 3, wherein the first square frame has a first outer side wall, an inner surface of the first outer side wall protrudes toward the screen to form a first abutting beam, a front side of the first outer side wall is provided with a first clamping beam along a length direction of the section, and front surfaces of the first clamping beam and the abutting beam form the panel clamping groove; the back of the first support beam protrudes backwards to form the first wire groove, an assembly cylinder penetrating along the length direction of the section bar is arranged between the first wire groove and the first outer side wall, the connecting end portion of the section bar of the first square frame is a 45-degree inclined plane, and an L-shaped piece is arranged to be clamped into the assembly cylinder of the adjacent section bar to be assembled into the first square frame.

5. The module structure according to claim 4, wherein a first clip strip protruding backward and having an outward bayonet is disposed on a back surface of the first outer side wall, a fourth clip strip protruding forward and having an inward bayonet is disposed on a front surface of the profile of the fourth frame, the fourth clip strip is fastened to the first clip strip, and the second frame and the third frame are sandwiched between the first frame and the fourth frame fastened to each other.

6. The modular structure according to claim 5, characterized in that the first external lateral wall is divided into a first vertical external lateral wall located on the first vertical section bar and a first transverse external lateral wall located on the first transverse section bar, the end of the first vertical external lateral wall is provided with a first vertical abutting surface parallel to the horizontal plane, the end of the first transverse external lateral wall is provided with an arc-shaped corner, the arc-shaped corner is provided with a first transverse abutting surface parallel to the horizontal plane, and the assembled first square frame is provided with the first vertical abutting surface in contact with the first transverse abutting surface.

7. The modular structure according to claim 6, characterized in that the profile of the second frame comprises a second main body frame plate at the inner side and a second pressing plate part at the outer side, the second pressing plate part covers part of the notch of the first trunking and is provided with a second mounting hole, and a connecting piece is arranged to penetrate through the second mounting hole to fix the profile of the second frame at the back of the profile of the first frame at the same side;

the profile of the third square frame comprises a third main body frame plate positioned on the inner side and a third pressing plate part positioned on the outer side, the third pressing plate part covers part of the notch of the second wire casing and is provided with a third mounting hole, and a connecting piece is arranged to penetrate through the third mounting hole and is used for fixing the profile of the third square frame on the back face of the profile of the second square frame positioned on the same side.

8. The modular structure of claim 7 wherein the second body frame is not coplanar with the second cover portion, the second body frame being engaged with the inner frame of the first frame.

9. The modular structure of claim 3 wherein the in-slot spaces of the first and second wireways are T-shaped in cross-section.

10. The modular structure of claim 3 further comprising corner protectors and hangers,

first clamping holes which are recessed from back to front are formed in the positions, close to the two ends, of the section of the first square frame, and the first clamping holes do not penetrate through the section of the first square frame from front to back; fourth clamping holes are formed in the positions, close to the two ends, of the section bar of the fourth square frame, and penetrate through the section bar of the fourth square frame in the front and back direction; the first clamping hole and the fourth clamping hole are corresponding in position and same in size, the main body of the corner protector is an L-shaped arc part, clamping columns are arranged on the inner surface of the corner protector, and the clamping columns are clamped in the first clamping hole and the fourth clamping hole at the same time, so that the corner protector covers and is fixed at the corner of the fixing frame;

the flying piece is including installing in the fixed part of shield door, the fixed part is connected with the convex supporting part forward, the supporting part is connected with and is used for connecting the installation department of fixed frame, the proud the supporting part makes fixed frame does not contact with the shield door.

Images