CN114255675B

CN114255675B - Ultrathin double-sided LED display screen

Info

Publication number: CN114255675B
Application number: CN202210183787.4A
Authority: CN
Inventors: 曾志文; 唐彬彬; 曾文炜
Original assignee: Shenzhen Legian Technology Co ltd
Current assignee: Shenzhen Legian Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-05-17
Anticipated expiration: 2042-02-28
Also published as: CN114255675A

Abstract

The invention discloses an ultrathin double-sided LED display screen, which relates to the technical field of LED display screens and solves the problem of poor heat dissipation effect of the traditional double-sided display screen, and comprises two shells and unit plates, wherein the inner sides of the shells are provided with temperature sensors corresponding to the position of the unit plates, the ultrathin double-sided LED display screen also comprises a U-shaped frame sleeved on the outer sides of the two shells and a heat dissipation strip fixed on the adjacent side of the two unit plates, the U-shaped frame is fixedly inserted with the shells in an inserting manner, the bottom end of the U-shaped frame is provided with an adjusting mechanism, the bottom of the U-shaped frame is provided with heat dissipation components, the outer sides of the two shells are provided with mounting grooves at equal intervals, and elastic connecting pieces are arranged in the mounting grooves, realize when the high temperature, can realize increaseing the radiating effect through adjusting the interval between two cell boards.

Description

Ultrathin double-sided LED display screen

Technical Field

The invention relates to the technical field of LED display screens, in particular to an ultrathin double-sided LED display screen.

Background

The LED display screen is an electronic display screen formed by LED lattices, the display content forms of the screen, such as characters, animations, pictures and videos, are changed in time by the red and green lamp beads which are turned on and off, and the display control of the components is carried out through a modular structure. The LED display panel mainly structurally comprises a unit board, a power supply, a control chip and the like, wherein the unit board is one of LED display core components, and the unit board is composed of an LED module, a driving chip and a PCB.

Traditional two-sided LED display screen, it is simply speaking exactly that be in the same place two LED screen back-to-back fixed, in order to make thickness thinner more pleasing to the eye on the market, the back laminating of the unit board back in two LED screens is usually, then outside installation frame, realize two-sided demonstration promptly, because the unit board is when long-term operation, can produce the heat, can install heat radiation fin behind the LED display screen and carry out the heat dissipation processing usually, but two-sided display screen is because the reason of its structural mounting, the fin is generally installed in the side, thereby lead to its radiating effect not good, can reduce inside components and parts life meeting, for this, we provide an ultra-thin two-sided LED display screen.

Disclosure of Invention

The invention aims to provide an ultrathin double-sided LED display screen with a good heat dissipation effect so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an ultrathin double-sided LED display screen comprises two shells and unit plates, wherein mounting plates are fixed on the inner walls of two sides of the two shells, the two unit plates are respectively fixed with the mounting plates in the two shells through screws, the inner sides of the shells are provided with temperature sensors corresponding to the positions of the unit plates, the ultrathin double-sided LED display screen further comprises a U-shaped frame sleeved on the outer sides of the two shells and heat dissipation strips fixed on the adjacent sides of the two unit plates, four corners of the U-shaped frame are respectively fixed with a plug-in connected with the shells, an adjusting mechanism used for adjusting the positions of the two shells is installed at the bottom end of the U-shaped frame, a heat dissipation assembly used for blowing is installed at the bottom end of the U-shaped frame, the heat dissipation strips are provided with a plurality of heat dissipation strips which are equidistantly distributed on the outer sides of the two unit plates, the heat dissipation strips on the two unit plates are mutually staggered and are equidistantly provided with mounting grooves, and an elastic connecting piece is arranged in the mounting groove.

Preferably, adjustment mechanism installs two regulation poles in U type frame both ends including rotating, two it all is fixed with the linked gear, two to adjust the pole bottom meshing cover has the toothed belt between the linked gear, U type frame bottom is fixed with driving motor through the motor frame, just the driving motor output passes through the shaft coupling and one of them the regulation pole bottom is fixed, adjust pole outside equidistance be fixed with a plurality of with the regulating wheel that the mounting panel outside offseted satisfies the regulation to distance between two unit boards through the adjustment mechanism of design.

Preferably, elastic connection spare includes the connecting rod, the connecting rod both ends slide respectively and run through two the mounting groove in the shell outside, just the connecting rod both ends all are fixed with the limiting plate, connecting rod one end outside cover have with the limiting plate with the spring that the mounting groove inner wall offseted makes two shells when not being pushed away by the regulating wheel, can be closed through the spring of design for the mounting panel offsets with the laminating of regulating wheel all the time.

Preferably, radiator unit includes that the equidistance rotates the actuating lever of installing in U type frame, and is a plurality of the actuating lever outside all is fixed with the linkage wheel, and is a plurality of linkage wheel outside cover has the conveyer belt, angle such as actuating lever outer end is fixed with a plurality of heat dissipation leaves, U type frame bottom is fixed with the heat dissipation motor through the motor frame, just the heat dissipation motor output passes through the shaft coupling in one of them the actuating lever bottom is fixed, realizes through radiator unit thermal discharge between to two unit boards.

Preferably, the radiating blade is including fixing the fixed leaf in the actuating lever outside, fixed leaf one side is fixed with the track board, just it has the movable plate to slide in the track board and peg graft, the movable plate outside is fixed with the regulation leaf, regulation leaf inner be fixed with the extension spring that the actuating lever outside is fixed mutually designs fixed leaf and regulation leaf for its dynamics of blowing can be adjusted.

Preferably, U type frame both ends all rotate and install the threaded rod, and two the threaded rod outer end all is fixed with drive gear, adjust the pole bottom outside be fixed with drive gear engaged with drive gear's drive gear, two the threaded rod outside screw thread has cup jointed the regulating plate, just the regulating plate outside is fixed with a plurality of adapter sleeves, and is a plurality of the adapter sleeve slides respectively and cup joints in a plurality of actuating levers outsides, just the adapter sleeve outer end all rotates and has cup jointed the cone, and is a plurality of adjust the leaf inner all be fixed with the toper piece of toper head outer wall sliding contact, through the removal of cone, realize the propelling movement to the toper piece to can adjust the position of regulation leaf, satisfy the regulation to the dynamics of blowing.

Preferably, the conveyer belt corresponds a plurality of the interlocking wheel outside all is equipped with tight band axle, and is a plurality of tight band axle all rotate install in the U type frame for the contact of conveyer belt and interlocking wheel is inseparabler, makes the synchronous rotation of a plurality of interlocking wheels more stable.

Preferably, a butt joint plate for installing and fixing the display screen is fixed on the outer side of the U-shaped frame, so that the display screen can be conveniently installed.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the existing double-sided LDE display screen is optimized, the two unit plates are attached back to back, then the special shell and the U-shaped frame are designed, the two unit plates are installed, and the radiating effect can be increased by adjusting the distance between the two unit plates through the interaction of the designed adjusting mechanism and the radiating assembly when the temperature is too high.

Drawings

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

FIG. 2 is another perspective view of the overall structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural view of the present invention with the U-shaped frame removed;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is a top partial schematic view of the present invention;

FIG. 7 is a schematic view of the disassembled structure of two unit plates according to the present invention;

FIG. 8 is a schematic view of a connection structure of the heat sink assembly and the local adjustment mechanism of the present invention;

FIG. 9 is a partial structural view of a heat dissipation assembly of the present invention;

FIG. 10 is a schematic view of a heat dissipating blade according to the present invention;

fig. 11 is an enlarged view of fig. 10 at C.

In the figure: 1-a housing; 2-a cell plate; 3, mounting a plate; 4-U-shaped frame; 5-inserting; 6-an adjusting mechanism; 7-a heat dissipation assembly; 8-heat dissipation strips; 9-mounting grooves; 10-an elastic connector; 11-adjusting rod; 12-a linkage gear; 13-a toothed belt; 14-a drive motor; 15-a regulating wheel; 16-a connecting rod; 17-a limiting plate; 18-a spring; 19-a drive rod; 20-a linkage wheel; 21-a conveyor belt; 22-heat-dissipating leaf; 23-a heat-dissipating motor; 24-fixed leaves; 25-a track slab; 26-moving the plate; 27-regulatory leaf; 28-tension spring; 29-threaded rod; 30-a transmission gear; 31-an adjusting plate; 32-connecting sleeves; 33-a conical head; 34-a conical sheet; 35-belt tightening shaft; 36-a docking plate; 37-driving the gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3 and 7, the ultra-thin double-sided LED display panel shown in the figures comprises two housings 1 and unit plates 2, wherein mounting plates 3 are fixed on the inner walls of the two sides of the two housings 1, the two unit plates 2 are respectively fixed with the mounting plates 3 in the two housings 1 through screws, a temperature sensor is mounted on the inner side of the housing 1 corresponding to the position of the unit plate 2, the ultra-thin double-sided LED display panel further comprises a U-shaped frame 4 sleeved on the outer sides of the two housings 1 and heat dissipation strips 8 fixed on the adjacent sides of the two unit plates 2, plugs 5 inserted into the housings 1 are fixed at the four corners of the U-shaped frame 4, an adjusting mechanism 6 for adjusting the positions of the two housings 1 is mounted at the bottom end of the U-shaped frame 4, a heat dissipation assembly 7 for blowing is mounted at the bottom of the U-shaped frame 4, the heat dissipation strips 8 are provided with a plurality of strips, are equidistantly distributed on the outer sides of the two unit plates 2, the heat dissipation strips 8 on the two unit plates 2 are mutually staggered, mounting grooves 9 are formed in the outer sides of the two shells 1 at equal intervals, and elastic connecting pieces 10 are mounted in the mounting grooves 9.

It should be noted that: in this scheme, optimize current two-sided LED display screen, design dedicated shell 1 and U type frame 4 and install two cell boards 2, realize the optimization to LED display screen thickness, also make more pleasing to the eye simultaneously, utilize current stable sensor to detect 2 inside stabilities of cell board, utilize the radiator unit 7 of design to carry out the heat dissipation processing.

It is worth noting that: the heat dissipation strips 8 at the adjacent sides of the two unit plates 2 are designed in a mutually staggered manner, so that the thickness of the two unit plates 2 is minimized when the two unit plates are attached back to back;

in order to facilitate the installation of the bidirectional LED display screen, a butt plate 36 for installing and fixing the display screen is fixed outside the U-shaped frame 4.

Referring to fig. 4-8, the adjusting mechanism 6 shown in the figure comprises two adjusting rods 11 rotatably mounted at two ends of a U-shaped frame 4, linkage gears 12 are fixed at the bottom ends of the two adjusting rods 11, a toothed belt 13 is engaged and sleeved between the two linkage gears 12, a driving motor 14 is fixed at the bottom end of the U-shaped frame 4 through a motor frame, the output end of the driving motor 14 is fixed at the bottom end of one of the adjusting rods 11 through a coupler, and a plurality of adjusting wheels 15 which are abutted against the outer side of the mounting plate 3 are fixed at equal intervals outside the adjusting rods 11;

it should be noted that: through the rotation of driving motor 14, two linkage gears 12 and the rotation of toothed belt 13 are cooperated again for two regulation poles 11 rotate, thereby making 15 angles of regulation wheel change, through the regulation wheel 15 outer edge and the mounting panel 3 outside extrusion of laminating mutually, thereby can push away two shells 1 mutually, realize the regulation to the interval between two cell boards 2, make the heat dissipation faster.

Meanwhile, referring to fig. 4 and 5, the elastic connecting member 10 shown in the drawings includes a connecting rod 16, two ends of the connecting rod 16 respectively penetrate through the mounting grooves 9 on the outer sides of the two shells 1 in a sliding manner, limiting plates 17 are fixed on two ends of the connecting rod 16, and a spring 18 which is abutted against the limiting plates 17 and the inner walls of the mounting grooves 9 is sleeved on the outer side of one end of the connecting rod 16;

it should be noted that: when adjusting wheel 15 rotates and backs down two shells 1, through the effect of spring 18 this moment for two mounting panels 3 laminate with adjusting wheel 15 outer edge mutually all the time, when satisfying adjusting wheel 15 for arbitrary angle, mounting panel 3 all laminates with adjusting wheel 15, makes the regulation to shell 1 position more stable.

In addition, referring to fig. 7-9, the heat dissipation assembly 7 shown in the figure includes driving rods 19 which are installed in the U-shaped frame 4 in an equidistance rotation manner, linkage wheels 20 are fixed on the outer sides of the plurality of driving rods 19, a conveyor belt 21 is sleeved on the outer sides of the plurality of linkage wheels 20, a plurality of heat dissipation blades 22 are fixed on the outer ends of the driving rods 19 in an equiangular manner, a heat dissipation motor 23 is fixed on the bottom of the U-shaped frame 4 through a motor frame, and the output end of the heat dissipation motor 23 is fixed at the bottom end of one of the driving rods 19 through a coupler;

it should be noted that: through the rotation of heat dissipation motor 23, the effect of cooperation conveyer belt 21 and a plurality of linkage wheel 20 to can realize the rotation to a plurality of actuating levers 19, realize the rotation to a plurality of heat dissipation leaves 22, thereby can blow between two cell boards 2, blow the heat dissipation to heat dissipation strip 8.

The principle of high-efficiency heat dissipation of the interior of the double-sided LED display screen; firstly, in order to make the double-sided LED display more beautiful and reduce the thickness, two unit plates 2 are attached back to back, heat dissipation treatment is carried out between the unit plates 2 through the heat dissipation strips 8 which are staggered with each other, when the double-sided LED display works for a long time, because the distance between the two unit plates 2 is short, the heat dissipation is slow, the internal temperature can be detected to be overhigh through the temperature sensor, at the moment, the driving motor 14 rotates to drive the adjusting wheel 15 to jack the two mounting plates 3, thereby realizing the adjustment of the distance between the two shells 1, and also leading the distance between the two unit plates 2 to be enlarged, thereby leading the gas circulation to be smoother, simultaneously, the driving rod 19 is driven to drive the plurality of heat dissipation blades 22 to rotate through the action of the heat dissipation motor 23, thereby realizing the blowing heat dissipation and improving the heat dissipation effect, when the temperature returns to the normal temperature, at the moment, through the rotation of the driving motor 14, and the two shells 1 move mutually to reduce the thickness by matching the action of the spring 18.

It should be noted that: the ultra-thin two-sided LED display screen of this scheme design, its ultra-thin direction is through reducing the interval between the cell board 2, and optimize the thickness of 1 installation shell of shell, come to whole thickness's regulation, in the heat dissipation difficulty, can realize high-efficient heat dissipation by the interval between the adjusting element board 2, the heat dissipation is accomplished and is reset, through short-lived deformation, improve the circulation of air and play the radiating effect, thereby satisfy on the basis of optimizing thickness, realize the high efficiency heat dissipation, make the life of components and parts increase.

Example 2

Referring to fig. 10 and 11, in this embodiment, as further described in embodiment 1, the heat dissipating blade 22 shown in the figure includes a fixed blade 24 fixed outside the driving rod 19, a track plate 25 is fixed on one side of the fixed blade 24, a moving plate 26 is inserted and inserted in the track plate 25, an adjusting blade 27 is fixed outside the moving plate 26, and a tension spring 28 fixed outside the driving rod 19 is fixed at an inner end of the adjusting blade 27.

Meanwhile, referring to fig. 10, threaded rods 29 are rotatably mounted at two ends of a U-shaped frame 4 in the figure, transmission gears 30 are fixed at outer ends of the two threaded rods 29, a driving gear 37 engaged with the transmission gears 30 is fixed at an outer side of a bottom end of an adjusting rod 11, an adjusting plate 31 is in threaded sleeve connection with outer sides of the two threaded rods 29, a plurality of connecting sleeves 32 are fixed at an outer side of the adjusting plate 31, the plurality of connecting sleeves 32 are respectively in sliding sleeve connection with outer sides of the plurality of driving rods 19, conical heads 33 are rotatably sleeved at outer ends of the connecting sleeves 32, and conical sheets 34 in sliding contact with outer walls of the conical heads 33 are fixed at inner ends of the plurality of adjusting blades 27;

it should be noted that: through the improvement to the cooling fin 22, design fixed leaf 24 and regulation leaf 27, realize the regulation to cooling fin 22 length, adjust pole 11 and rotate, drive regulating wheel 15 and rotate, satisfy cell board 2 when the interval grow, can drive the rotation of drive gear 30 and threaded rod 29, realize the removal to adjusting plate 31, thereby control conical head 33 propelling movement adjusting fin 27 inner toper piece 34, thereby can be to the regulation of adjusting fin 27 position, cooperation extension spring 28 can realize the reseing to adjusting fin 27, make when cell board 2 interval grow, cooling fin 22's blade length also grow, thereby make and blow the also grow of wind-force, the radiating effect is better.

Example 3

Referring to fig. 8 and 9, in the present embodiment, for further explanation of other embodiments, the conveyor belt 21 is provided with belt tightening shafts 35 corresponding to the outsides of the plurality of linkage wheels 20, and the plurality of belt tightening shafts 35 are rotatably installed in the U-shaped frame 4;

it is worth noting that: in order to avoid the slipping phenomenon between the conveyor belt 21 and the linkage wheel 20, the designed belt tightening shaft 35 is used for increasing the contact surface between the conveyor belt 21 and the linkage wheel 20 and also enabling the synchronous rotation of the driving rod 19 to be more stable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ultra-thin double-sided LED display screen, comprising:

the temperature sensor comprises two shells (1) and unit plates (2), wherein mounting plates (3) are fixed on the inner walls of two sides of the two shells (1), the two unit plates (2) are respectively fixed with the mounting plates (3) in the two shells (1) through screws, and temperature sensors are arranged on the inner sides of the shells (1) corresponding to the unit plates (2);

it is characterized by also comprising:

the air conditioner comprises a U-shaped frame (4) sleeved on the outer sides of two shells (1), wherein plugs (5) which are inserted into the shells (1) are fixed at four corners of the U-shaped frame (4), an adjusting mechanism (6) for adjusting the positions of the two shells (1) is installed at the bottom end of the U-shaped frame (4), and a heat dissipation assembly (7) for blowing air is installed at the bottom of the U-shaped frame (4);

the adjusting mechanism (6) comprises two adjusting rods (11) which are rotatably installed at two ends of a U-shaped frame (4), the bottom ends of the two adjusting rods (11) are respectively fixed with a linkage gear (12), a toothed belt (13) is sleeved between the linkage gears (12), the bottom end of the U-shaped frame (4) is fixed with a driving motor (14) through a motor frame, the output end of the driving motor (14) passes through a coupler and one of the adjusting rods (11) for bottom fixing, a plurality of adjusting wheels (15) which are abutted against the outer side of the mounting plate (3) are fixed at the outer side of the adjusting rods (11) in an equal distance mode, the heat dissipation assembly (7) comprises a driving rod (19) which is rotatably installed in the U-shaped frame (4) in an equal distance mode, a plurality of linkage wheels (20) are fixed at the outer side of the driving rod (19), and a plurality of conveying belts (21) are sleeved at the outer side of the linkage wheels (20), a plurality of heat dissipation blades (22) are fixed at the outer end of the driving rod (19) at equal angles, a heat dissipation motor (23) is fixed at the bottom of the U-shaped frame (4) through a motor frame, the output end of the heat dissipation motor (23) is fixed at the bottom end of one of the driving rods (19) through a coupler, the heat dissipation blades (22) comprise fixed blades (24) fixed on the outer side of the driving rod (19), a track plate (25) is fixed on one side of each fixed blade (24), a moving plate (26) is inserted in the track plate (25) in a sliding mode, adjusting blades (27) are fixed on the outer side of the moving plate (26), and tension springs (28) fixed with the outer side of the driving rod (19) are fixed at the inner ends of the adjusting blades (27);

the heat dissipation strips (8) are fixed on the adjacent sides of the two unit plates (2), the heat dissipation strips (8) are arranged in a plurality and are distributed on the outer sides of the two unit plates (2) at equal intervals, and the heat dissipation strips (8) on the two unit plates (2) are distributed in a staggered mode;

two the shell (1) outside equidistance is opened has mounting groove (9), just install elastic connecting piece (10) in mounting groove (9).

2. The ultrathin double-sided LED display screen of claim 1, characterized in that: elastic connection spare (10) include connecting rod (16), connecting rod (16) both ends slide respectively and run through two mounting groove (9) in shell (1) outside, just connecting rod (16) both ends all are fixed with limiting plate (17), connecting rod (16) one end outside cover have with limiting plate (17) with spring (18) that mounting groove (9) inner wall offseted.

3. The ultrathin double-sided LED display screen of claim 2, characterized in that: u type frame (4) both ends are all rotated and are installed threaded rod (29), and two threaded rod (29) outer end all is fixed with drive gear (30), adjust pole (11) bottom outside be fixed with drive gear (30) engaged with drive gear (37), two threaded rod (29) outside screw thread has cup jointed regulating plate (31), just regulating plate (31) outside is fixed with a plurality of adapter sleeves (32), and is a plurality of adapter sleeve (32) slide respectively and cup joint in a plurality of actuating levers (19) outsides, just adapter sleeve (32) outer end all rotates and has cup jointed conical head (33), and is a plurality of regulating leaf (27) inner all be fixed with conical sheet (34) of conical head (33) outer wall sliding contact.

4. The ultrathin double-sided LED display screen of claim 3, characterized in that: the conveying belt (21) is provided with a plurality of belt tightening shafts (35) corresponding to the outer sides of the linkage wheels (20), and the plurality of belt tightening shafts (35) are rotatably arranged in the U-shaped frame (4).

5. The ultrathin double-sided LED display screen of claim 4, characterized in that: and a butt joint plate (36) for installing and fixing the display screen is fixed on the outer side of the U-shaped frame (4).