Assembled LED display screen based on lighting engineering

Abstract

The utility model relates to the technical field of LED display screens, in particular to a split mounting type LED display screen based on lighting engineering. A plurality of cooling fans are symmetrically arranged on the two sides of the assembly protection shell, a dustproof net is arranged on the front face of each cooling fan, a transparent plate door is movably arranged on the front face of the assembly protection shell through a plurality of hinges, a pair of connecting bottom frames is arranged at the bottom of the assembly protection shell, and a plurality of detachable LED screen bodies are arranged in the assembly protection shell. A fixing assembly is arranged on the back face of the assembled protective shell, and dust scraping assemblies are symmetrically arranged on the two sides of the assembled protective shell. The LED screen main body is preliminarily fixed through insertion matching of the fixing block and the fixing shell and mutual attraction of the second magnetic plates on the two sides of the fixing block and the first magnetic plates in the fixing shell, the LED screen main body is further stabilized through the connection mode of the insertion block and the insertion groove and the connection mode of the stud, the fixing plate and the nut, the installation process is easy to operate, the installation time is shortened, and the labor cost is reduced. And the installation efficiency of urban lighting engineering is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED display screen technical field especially relates to a kind of assembled LED display screen based on brightening engineering. BACKGROUND

[0002] In city brightening engineering, LED display screen as important visual display carrier, plays indispensable role. However, the LED display screen for city brightening in practical application there are many problems in the prior art.

[0003] In terms of installation, the installation process of traditional outdoor LED display screen is complicated. Its installation involves the precise docking and fixing of many components, which requires a lot of manpower, material resources and time cost. For example, when assembling the LED screen body and the protection structure, it is often necessary to use various professional tools and go through multiple complex processes to complete the installation. The installation process requires high professional skills of the installation environment and the technical personnel, which not only increases the installation difficulty, but also may affect the progress of the entire brightening project.

[0004] In terms of heat dissipation, in order to ensure the stable operation of LED display screen in outdoor for a long time, cooling fan is usually equipped for heat dissipation. However, due to the complexity of outdoor environment, the dust screen will absorb a lot of dust after long-term use of the cooling fan. The accumulation of dust will block the ventilation channel, reduce the air flow, and thus greatly reduce the cooling efficiency, affect the normal working temperature of the LED display screen, shorten its service life and increase the maintenance cost.

[0005] In terms of maintenance, the problem of birds in outdoor also brings trouble to LED display screen. Birds often stop and excrete on the top of LED equipment. Once the bird droppings contaminate the LED screen, it will not only block the display area, affect the brightening effect, reduce the clarity and attractiveness of visual display, but also affect the aesthetic degree of the display screen, damage the overall image of city brightening, and the frequent cleaning work also brings additional burden to the maintenance personnel. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a kind of assembled LED display screen based on brightening engineering to solve the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, which comprises an assembled protective shell, a plurality of cooling fans are symmetrically arranged on both sides of the assembled protective shell, a dust screen is arranged on the front of the cooling fan, a transparent plate door is movably arranged on the front of the assembled protective shell through a plurality of hinges, a pair of connecting chassis is arranged at the bottom of the assembled protective shell, a plurality of detachable LED screen bodies are arranged in the assembled protective shell, a fixing assembly is arranged on the back of the assembled protective shell, and a dust scraping assembly is symmetrically arranged on both sides of the assembled protective shell.

[0008] As the utility model is preferred, one pair of mounting plates is arranged on both sides of the assembled protective shell, one top mounting plate is provided with a mounting rack, a plurality of fixed shells are arranged on the inner wall of the assembled protective shell, first magnetic plates are arranged on the inner walls of both sides of the fixed shell, a plurality of pairs of through cylinders are arranged on the back of the assembled protective shell, the plurality of pairs of through cylinders are respectively located on the back of the plurality of fixed shells and are communicated with the fixed shells, and a rubber ring is arranged on the inner wall of each through cylinder.

[0009] As the utility model is preferred, the dust scraping assembly comprises a pair of lead screws, the two lead screws are arranged between the two mounting plates on the same side through a pair of first bearing seats, chain wheels are symmetrically arranged at the bottom of the two lead screws, the two chain wheels are connected through a chain transmission, a motor is arranged at the top of the mounting rack, the transmission end of the motor is connected with the top end of one of the lead screws through a shaft coupling, drive plates are symmetrically arranged on the two lead screws, a nut is arranged in the drive plate, the nut is threadedly arranged on the lead screw, scrapers are symmetrically arranged at the top and bottom of the drive plate, and the scrapers are arranged on the side wall of the assembled protective shell in a fit manner.

[0010] As the utility model is preferred, a fixed block is arranged on the back of the LED screen body, a pair of insertion columns are arranged on the back of the fixed block, perforations are formed in the insertion columns, the fixed block is inserted into the fixed shell, the insertion columns are inserted into the through cylinders, and second magnetic plates are arranged in the arms on both sides of the fixed block.

[0011] As the utility model is preferred, a pair of insertion slots are formed at the back of the bottom of the assembled protective shell, a pair of fixed plates are arranged on the back of the assembled protective shell, the fixing assembly comprises a main plate, an insertion block is arranged on the main plate at a position corresponding to the insertion slot, the insertion block is inserted into the insertion slot, a plurality of fixed rods are arranged on the main plate, the fixed rods are inserted into the same vertical row of perforations, threaded studs are symmetrically arranged on the top of the main plate, the threaded studs are inserted into the fixed plates and are fixed through nuts.

[0012] As the utility model is preferred, a plurality of second bearing seats are arranged on the top of the assembled protective shell and are respectively provided with a plurality of rotating shafts, a plurality of wind scoops are arranged on the rotating shafts, and a reflective patch is arranged in each wind scoop.

[0013] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0014] 1. The LED screen body of the utility model is realized quick positioning through the plug-in cooperation of the fixed block and the fixed shell and the corresponding insertion of the plug column and the through cylinder, the second magnetic plate of the fixed block two sides and the first magnetic plate in the fixed shell attract each other, the LED screen body is preliminarily fixed, the main plate is further stabilized the LED screen body through the connecting mode of plug block and slot, stud and fixed plate and nut, the whole installation process is simple to operate, does not need complex tool and professional skill, greatly shortens the installation time, reduces the manpower cost, improves the installation efficiency of city lightening project.

[0015] 2. The utility model discloses a cooling fan is sustained for the LED screen body cooling, ensures its stable work under suitable temperature, simultaneously, the dust scraping subassembly automatic cleaning dust screen, motor drives screw rod, screw rod realizes synchronous rotation through sprocket chain, and the scraping knife is driven to the dust screen two -way dust scraping under the cooperation of the screw nut, effectively removes dust, keeps the ventilation passage unobstructed, maintains good heat dissipation effect for a long time, prolongs the service life of LED display screen, reduces maintenance cost.

[0016] 3. The utility model discloses a wind scoop on the top of the assembled protective shell drives the rotating shaft to rotate when the breeze blows, and the light reflection patch thereon reflects sunlight, which produces warning and stimulating effects on birds, avoids the birds from staying and excreting on the top, keeps the appearance of the LED screen clean, maintains good lightening display effect, improves the overall image of city lightening, and reduces the maintenance workload. DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the utility model after the whole transparent plate door is removed;

[0019] Figure 3 It is the overall back structure schematic diagram of the utility model;

[0020] Figure 4 It is Figure 2 The structure schematic diagram after removing a plurality of LED screen bodies;

[0021] Figure 5 It is Figure 4 The enlarged view of A in figure 2;

[0022] Figure 6 It is Figure 4 The enlarged view of B in figure 2;

[0023] Figure 7 It is Figure 4 The back structure schematic diagram of figure 2;

[0024] Figure 8 It is the fixed assembly structure schematic diagram of the utility model;

[0025] Figure 9 It is the LED screen main body structure schematic view of the utility model;

[0026] Figure 10 It is the fixed assembly structure schematic view of the utility model.

[0027] Reference signs: assembled protective shell 1, mounting plate 10, connecting chassis 11, fixed shell 12, first magnetic plate 13, through cylinder 14, rubber ring 15, mounting frame 16, fixed plate 17, insertion slot 18, hinge

[0028] 19, transparent plate door 110, cooling fan 2, dust screen 20, LED screen main body 3, fixed block 30, second magnetic plate 31, insertion column 32, through hole 33, dust scraping assembly 4, lead screw 40, first bearing seat 41, chain wheel 42, chain 43, motor 44, coupling 45, driving plate 46, nut 47, scraper 48, fixed assembly 5, main plate 50, insertion block 51, stud 52, fixed rod 53, nut 54, second bearing seat 6, rotating shaft 60, wind scoop 61, reflective patch 62. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with specific implementation manners and referring to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0030] As Figures 1-10 shown, the utility model provides a kind of assembled LED display screen based on brightening engineering, it is mainly by assembled protective shell 1 and the various components of setting in it constitute, assembled protective shell 1 both sides symmetry is equipped with cooling fan 2 and dust scraping assembly 4, front is installed transparent plate door 110 by hinge 19, bottom has connecting chassis 11, inside is equipped with detachable LED screen main body 3, back is equipped with fixed assembly 5;

[0031] Cooling fan 2 is installed in assembled protective shell 1 both sides, its front is directly fixed and installed dust screen 20, ensure when fan extracts outside air for shell cooling, can effectively block dust into shell;Connecting chassis 11 is arranged at the bottom of assembled protective shell 1, is stably connected by welding assembled protective shell 1, and there is a pair of mounting plate 10 in assembled protective shell 1 both sides;

[0032] The dust scraping assembly 4 comprises a pair of lead screws 40 mounted between the two mounting plates 10 on the same side through a pair of first bearing seats 41, the inner ring of the first bearing seat 41 is tightly fitted with the lead screw 40, and the outer ring is fixed on the mounting plate 10 through a screw, so that the lead screw 40 can rotate flexibly between the mounting plates 10, the two lead screws 40 are symmetrically mounted with chain wheels 42 at the bottom, the two chain wheels 42 are transmissionally connected through a chain 43 to ensure that the two lead screws 40 can rotate synchronously; the mounting frame 16 is arranged on one of the top mounting plates 10, the motor 44 is arranged on the top of the mounting frame 16, the transmission end of the motor 44 is connected with the top end of one of the lead screws 40 through a shaft coupling 45, the driving plate 46 is internally provided with a lead screw nut 47, the lead screw nut 47 is threadedly connected with the lead screw 40, when the lead screw 40 rotates, the lead screw nut 47 drives the driving plate 46 to move along the lead screw 40 in the axial direction, the scrapers 48 symmetrically arranged at the top and bottom of the driving plate 46 move accordingly, and the dust screen 20 is scraped.

[0033] The fixing block 30 at the back of the LED screen body 3 is inserted into the fixed shell 12, the second magnetic plate 31 arranged in the two side walls of the fixing block 30 is attracted to the first magnetic plate 13 arranged on the inner walls of the two sides of the fixed shell 12, so that the fixing block 30 is stably fixed in the fixed shell 12, thereby preliminarily fixing the LED screen body 3, the insertion column 32 at the back of the fixing block 30 is inserted into the penetrating cylinder 14, and the rubber ring 15 arranged on the inner wall of the penetrating cylinder 14 plays a buffering and sealing role, preventing dust, water vapor and the like from entering the shell through the gap between the insertion column 32 and the penetrating cylinder 14, and further stabilizing the insertion column 32.

[0034] A pair of insertion slots 18 are arranged at the bottom rear of the assembled protective shell 1, and a pair of fixing plates 17 are arranged at the back, the fixing assembly 5 comprises a main plate 50, the main plate 50 is provided with an insertion block 51 corresponding to the position of the insertion slot 18, the insertion block 51 is inserted into the insertion slot 18, thereby preliminarily positioning the main plate 50 at the bottom of the assembled protective shell 1, and screw columns 52 are symmetrically arranged at the top of the main plate 50, the screw columns 52 are inserted into the fixing plates 17, and the main plate 50 is fixed on the back of the assembled protective shell 1 by screwing the nuts 54 tightly.

[0035] A plurality of fixing rods 53 are arranged on the main plate 50, the fixing rods 53 are inserted into a plurality of penetrating holes 33 in the same vertical row, and the penetrating holes 33 are arranged on the insertion column 32, thereby further strengthening the fixation of the LED screen body 3 and ensuring the stability of the LED screen body 3 in the assembled protective shell 1.

[0036] A plurality of rotating shafts 60 are respectively arranged on the top of the assembled protective shell 1 through a plurality of second bearing seats 6, the inner ring of the second bearing seat 6 is tightly fitted with the rotating shaft 60, and the outer ring is fixed on the top of the assembled protective shell 1, a plurality of wind scoops 61 are arranged on the rotating shaft 60, a light reflecting patch 62 is arranged in each wind scoop 61, when there is wind, the wind scoop 61 drives the rotating shaft 60 to rotate, the light reflecting patch 62 reflects sunlight, thereby playing a role in preventing birds.

[0037] In the installation, first open the transparent plate door 110, the LED screen body 3 is connected with the main controller in the assembled protective shell 1, then the fixed block 30 is inserted into the fixed shell 12, after the insertion is completed, the insertion column 32 is also inserted into the through cylinder 14 and is out from the back of the assembled protective shell 1, according to the operation, all LED screen bodies 3 are installed into the assembled protective shell 1, after the installation is completed, the several fixed columns on the main plate 50 are respectively inserted into the several through holes 33, and it needs to be ensured that it passes through the through hole 33 of each insertion column 32 in the insertion process, after the insertion is completed, the insertion block 51 and the stud 52 are inserted into the insertion slot 18 and the fixed plate 17 respectively, then the stud 52 is fixed by using the nut 54, at this time, the installation of the LED screen body 3 is completed, finally, only the transparent plate door 110 is closed, and the assembled protective shell 1 is installed to the specified place by connecting the chassis 11;In daily use, the cooling fan 2 is started to cool the LED screen body 3 in the assembled protective shell 1, when the external air is extracted, the dust is blocked outside by the dust screen 20, and the controller in the assembled protective shell 1 starts the motor 44 at the set time every day, the motor 44 starts the forward rotation, drives one lead screw 40 to rotate, and the other lead screw 40 is synchronously rotated through the bottom sprocket 42 and the chain 43, at this time, under the cooperation of the nut 47, the two driving plates 46 are synchronously moved downward, and then the scraper 48 is used to scrape the dust on the dust screen 20, when the driving plate 46 moves to the lowermost position, the motor 44 is reversed, and the scraper 48 is used for secondary scraping and resetting at the same time.

[0038] And the wind scoop 61 at the top of the assembled protective shell 1 is rotated when the wind blows, the reflective patch 62 emits sunlight, and then the birds can be prevented from staying at the top of the assembled protective shell 1, and the birds can be prevented from discharging excrement on the transparent plate door 110.

[0039] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A kind of based on brightening engineering's assembled LED display screen, it includes assembled protective shell (1), a plurality of cooling fan (2) is symmetrically arranged in the two sides of assembled protective shell (1), the front of cooling fan (2) is provided with dust screen (20), the front of assembled protective shell (1) is movably provided with transparent plate door (110) by a plurality of hinges (19), the bottom of assembled protective shell (1) is provided with a pair of connecting chassis (11), it is characterized by: The assembling protective shell (1) is provided with a plurality of detachable LED screen bodies (3), the back of the assembling protective shell (1) is provided with a fixing assembly (5), and the two sides of the assembling protective shell (1) are symmetrically provided with dust scraping assemblies (4). 2.The assembled LED display screen based on the lightening project according to claim 1, characterized in that: The assembling protective shell (1) is provided with a pair of mounting plates (10) on the two sides, one of the top mounting plates (10) is provided with a mounting rack (16), the inner wall of the assembling protective shell (1) is provided with a plurality of fixing shells (12), the inner walls of the two sides of the fixing shell (12) are provided with first magnetic plates (13), the back of the assembling protective shell (1) is provided with a plurality of pairs of penetrating tubes (14), the plurality of pairs of penetrating tubes (14) are respectively located on the back of the plurality of fixing shells (12) and are communicated with the fixing shells (12), and the inner walls of the penetrating tubes (14) are provided with rubber rings (15). 3.The assembled LED display screen based on the lightening project according to claim 2, characterized in that: The dust scraping assembly (4) comprises a pair of lead screws (40), the two lead screws (40) are respectively arranged between the two mounting plates (10) on the same side through a pair of first bearing seats (41), the bottoms of the two lead screws (40) are symmetrically provided with sprockets (42), the two sprockets (42) are transmissionally connected through a chain (43), the top of the mounting rack (16) is provided with a motor (44), the transmission end of the motor (44) is connected with the top end of one of the lead screws (40) through a shaft coupling (45), the two lead screws (40) are symmetrically provided with driving plates (46), the driving plates (46) are provided with lead nuts (47) therein, the lead nuts (47) are threadedly arranged on the lead screws (40), and the top and bottom of the driving plate (46) are symmetrically provided with scrapers (48) which are attached to the side wall of the assembling protective shell (1).

4. The assembled LED display screen based on the brightening project according to claim 3, characterized in that: The back of the LED screen body (3) is provided with a fixing block (30), the back of the fixing block (30) is provided with a pair of insertion columns (32), the insertion columns (32) are provided with penetrating holes (33), the fixing block (30) is inserted into the fixing shell (12), the insertion columns (32) are penetrated into the penetrating tubes (14), and the two sides of the fixing block (30) are provided with second magnetic plates (31).

5. The assembled LED display screen based on the brightening project according to claim 4, characterized in that: The bottom rear of the assembling protective shell (1) is provided with a pair of insertion grooves (18), the back of the assembling protective shell (1) is provided with a pair of fixing plates (17), the fixing assembly (5) comprises a main plate (50), the main plate (50) is provided with an insertion block (51) corresponding to the position of the insertion groove (18), the insertion block (51) is inserted into the insertion groove (18), the main plate (50) is provided with a plurality of fixing rods (53), the fixing rods (53) are penetrated into a plurality of penetrating holes (33) in the same vertical row, the top of the main plate (50) is symmetrically provided with studs (52), the studs (52) are penetrated into the fixing plates (17) and are fixed through nuts (54).

6. The assembled LED display screen based on the brightening project according to claim 5, characterized in that: The top of the assembled protective shell (1) is provided with a plurality of rotating shafts (60) through a plurality of second bearing seats (6), respectively, and a plurality of wind scoops (61) are arranged on the rotating shafts (60), and a reflective patch (62) is arranged in each wind scoop (61).

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