CN214897390U

CN214897390U - LED display screen capable of improving brightness uniformity

Info

Publication number: CN214897390U
Application number: CN202120782721.8U
Authority: CN
Inventors: 李华平
Original assignee: Zhejiang Zhongshi Electronics Co ltd
Current assignee: Zhejiang Zhongshi Electronics Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-26
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a LED display screen for improving brightness uniformity, which comprises a device main body, wherein the device main body comprises an LED display screen, a shell, an exhaust fan, a brightness sensor, a servo motor and a control mainboard, the bottom of the shell is fixedly connected with the top of a base, the base is in a symmetrical distribution form, one side of the shell is connected with the LED display screen in an embedding way, a drainage groove is arranged inside one side of the shell, through the mutual combination of all parts, the phenomenon of uneven brightness of the LED display screen is greatly improved, when uneven brightness occurs, through the combination between the brightness sensor and the control mainboard, when the bright spot in the LED display screen has a problem, the bright spot can be timely fed back to a PC end, so that maintenance personnel can timely maintain the LED display screen, thereby ensuring the uniform brightness of the LED display screen and avoiding the phenomenon of uneven brightness, meanwhile, the aging rate and the service life of the LED display screen can be effectively prolonged through the arrangement of the device main body.

Description

LED display screen capable of improving brightness uniformity

Technical Field

The utility model relates to a LED display screen technical field specifically is an improve LED display screen of luminance homogeneity.

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. Mainly comprises a display module, a control system and a power supply system. The display module is a screen consisting of LED lamp dot arrays and emits light; the control system realizes the conversion of the content displayed on the screen under the on-off condition in the regulation area; the power supply system converts input voltage and current to meet the requirements of the display screen, and the LED screen can convert various forms of various information presentation modes, can be used indoors and outdoors, and has incomparable advantages compared with other display screens. The novel LED lamp is developed rapidly and widely applied to various fields by virtue of the characteristics of high brightness intensity, low work power consumption, low voltage requirement, small and exquisite equipment, convenience, long service life, impact resistance, stability and strong external interference resistance.

At present, the existing LRD display screen has the following problems:

1. the existing LED display screen is easily eroded by wind and rain in the process of long-term outdoor use, and a drainage device is not arranged in a box of the LED display screen, so that the phenomena of aging and bright point damage easily occur in the past;

2, the LED screen is used outdoors for a long time, so that the temperature in the box is overhigh, the electronic elements in the box are easily damaged in an accelerated manner, and the phenomenon of uneven brightness of the LED screen is caused;

3. meanwhile, the existing LED screen mainly comprises a display module, a control system and a power supply system, when the light spot of the LED screen has a problem, the problem cannot be found in time and maintained, and therefore the phenomenon of uneven brightness occurs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a LED display screen for improving the brightness uniformity, which solves the problems that the prior LED display screen is easily eroded by wind and rain in the process of long-term outdoor use, and a drainage device is not arranged in a box of the LED display screen, so that the phenomena of aging and bright point damage are easily caused in the past; the LED screen is used outdoors for a long time, so that the temperature in the box is overhigh, the electronic elements in the box are easily lost in an accelerated manner, and the phenomenon of uneven brightness of the LED screen is caused; meanwhile, the existing LED screen mainly comprises a display module, a control system and a power supply system, when the light spot of the LED screen has a problem, the problem can not be found in time and maintained, so that the problem of uneven brightness is caused.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an improve LED display screen of luminance homogeneity, includes the device main part, the device main part includes LED display screen, shell, exhaust fan, luminance sensor, servo motor and control mainboard, the top of the bottom fixed connection base of shell, the base is the symmetric distribution form, one side of shell is connected with the LED display screen through the mode of embedding, the inside water drainage tank of seting up in one side of shell, the inside wash port of all seting up in both sides of water drainage tank, the water drainage tank is located the outside of LED display screen bottom.

Preferably, the bottom of the shell is connected with the exhaust fan through a bolt, and two groups of radiating ports are formed in the bottom of the shell and are located on two sides of the exhaust fan.

Preferably, two sets of vertical poles of back fixed connection of LED display screen, two sets of equidistance fixed connection three groups of horizontal poles between the vertical pole, be vertically and horizontally staggered distribution form between vertical pole and the horizontal pole.

Preferably, one side of the cross rod is connected with one side of the fixing block in a welding mode, the fixing blocks are in an evenly distributed mode, and one side of each fixing block is connected with one side of the wire clamp in a bonding mode.

Preferably, the back of the shell is hinged with a back plate, one side of the back plate is fixedly connected with a brightness sensor through a bolt, a control main plate is arranged on the right side of the brightness sensor, one side of the control main plate is fixedly connected to one side of the back plate, and one side of the back plate is fixedly connected with a servo motor.

Preferably, the brightness sensor, the servo motor and the control main board are connected in a linear manner.

(III) advantageous effects

The utility model provides an improve luminance homogeneity's LED display screen. The method has the following beneficial effects:

(1) this improve luminance homogeneity's LED display screen, through the combination of each part each other, the uneven phenomenon of luminance appears in the LED display screen has been improved to very big degree, when the uneven luminance appears, combination between accessible luminance sensor and the control mainboard, when the bright spot in taking place the LED display screen goes wrong, can in time feed back to the PC end, let maintainer in time maintain the LED display screen, thereby guarantee the even luminance of LED display screen, avoid appearing the uneven phenomenon of luminance, and simultaneously, through the device main part's setting, can effectual extension LED display screen's ageing rate and life.

(2) This improve LED display screen of luminance homogeneity, during the use, the wash port of seting up in the rainwater accessible water drainage tank flows, and simultaneously, when the inside high temperature of shell, the thermovent of seting up bottom the shell can take the temperature out, and simultaneously, the entering of rainwater can effectually be avoided to the thermovent is seted up to the shell bottom, through the combination of thermovent and exhaust fan, can effectually keep the inside drying of shell, thereby improve the inside electronic component's of shell life to a certain extent, guarantee the homogeneity of LED display screen luminance simultaneously.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an overall bottom view of the present invention;

fig. 3 is a schematic structural view of the wire clamp of the present invention;

FIG. 4 is a schematic view of the overall internal structure of the present invention;

fig. 5 is a schematic structural view of the drainage channel of the present invention.

In the figure, 1-a device body, 2-an LED display screen, 3-a shell, 4-a base, 5-an exhaust fan, 6-a heat dissipation port, 7-a longitudinal rod, 8-a transverse rod, 9-a fixing block, 10-a wire clamp, 11-a back plate, 12-a brightness sensor, 13-a servo motor, 14-a control main board, 15-a drainage groove and 16-a drainage hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: an LED display screen capable of improving brightness uniformity comprises a device main body 1, wherein the device main body 1 comprises an LED display screen 2, a shell 3, an exhaust fan 5, a brightness sensor 12, a servo motor 13 and a control main board 14, the bottom of the shell 3 is fixedly connected with the top of a base 4, the base 4 is in a symmetrical distribution mode, one side of the shell 3 is connected with the LED display screen 2 in an embedding mode, a drainage groove 15 is formed in one side of the shell 3, drain holes 16 are formed in two sides of the drainage groove 15, the drainage groove 15 is positioned on the outer side of the bottom of the LED display screen 2, the bottom of the shell 3 is connected with the exhaust fan 5 through bolts, two groups of radiating holes 6 are formed in the bottom of the shell 3, the two groups of radiating holes 6 are positioned on two sides of the exhaust fan 5, rainwater can flow out through the drain holes 16 formed in the drainage groove 15, and simultaneously, when 3 inside high temperatures of shell, the exhaust fan 6 that the shell 3 bottom was seted up can take the temperature out, and simultaneously, 3 bottoms of shell are seted up the entering that exhaust fan 6 can effectually avoid the rainwater, through the combination of thermovent 6 with exhaust fan 5, can effectually keep the inside drying of shell 3 to improve 3 inside electronic component's of shell life to a certain extent, guarantee the homogeneity of 2 luminance of LED display screen simultaneously.

Two sets of vertical poles 7 of LED display screen 2's back fixed connection, it is two sets of horizontal pole 8 of three groups of equidistance fixed connection between vertical pole 7, be vertically and horizontally staggered distribution form between vertical pole 7 and the horizontal pole 8, one side of fixed block 9 is connected through the welded mode to one side of horizontal pole 8, fixed block 9 is the average distribution form, one side of fixed block 9 is connected with one side of fastener 10 through the mode that bonds, and through the setting of fastener 10, when the installation, maintainer can go into the connection fastener 10 of LED display screen 2 to fastener 10 in, can effectually avoid appearing the mixed and disorderly phenomenon of connecting wire to make things convenient for maintainer to find the screen that needs the maintenance easily when later stage maintenance, reduced maintenance duration, improved the efficiency of maintenance.

The back of the shell 3 is hinged with a back plate 11, one side of the back plate 11 is fixedly connected with a brightness sensor 12 through a bolt, a control main board 14 is arranged at the right side of the brightness sensor 12, one side of the control main board 14 is fixedly connected with one side of the back board 11, one side of the back plate 11 is fixedly connected with a servo motor 13, the brightness sensor 12, the servo motor 13 and the control main board 14 are linearly connected, and through the arrangement of the brightness sensor 12, in use, by the combination of the brightness sensor 12 and the control main board 14, when a problem of a bright spot in the LED display screen 2 occurs, can be fed back to the PC end in time, so that maintenance personnel can maintain the LED display screen 2 in time, therefore, the brightness uniformity of the LED display screen 2 is ensured, the phenomenon of uneven brightness is avoided, and meanwhile, the maintenance efficiency of maintenance personnel is improved through the feedback of the brightness sensor 12.

It should be noted that the models of the brightness sensor 12, the servo motor 13 and the control main board 14 in the LED display screen for improving the brightness uniformity are RS-GZ-N01-2-, HC-KFS13 and 7w0, respectively, when in use, the LED display screen 2, the brightness sensor 12, the servo motor 13 and the control main board 14 are linearly connected, the abnormality of the bright spot in the display screen can be sensed in time by using the brightness sensor 12, and the control main board 14 is fed back to the PC end in time, so that the maintenance personnel can maintain the LED display screen 2 in time, thereby ensuring the brightness uniformity of the LED display screen 2 and avoiding the phenomenon of uneven brightness, meanwhile, the arrangement of the drainage channel 15 in the device main body 1, when in thunderstorm weather, rainwater on the LED display screen 2 can flow out through the drainage hole 16 arranged in the drainage channel 15, thereby avoid appearing the inside phenomenon of rainwater infiltration shell 3, thereby the ageing time of LED display screen 2 has been prolonged, the whole life of the device main part 1 has been improved, when 3 inside high temperatures of shell, not only the thermovent 6 that sets up in 3 bottoms of accessible shell dispels the heat, and simultaneously, also can dispel the heat through exhaust fan 5, because LED display screen 2 is outdoor for a long time, factor influence because of weather is great, cause the inside moisture of shell 3 overweight easily, thereby influence electronic component's life, then the setting of accessible exhaust fan 5, bring out the inside moisture of shell 3 rapidly, keep the inside drying of shell 3.

The utility model relates to a 1-device main body, a 2-LED display screen, a 3-shell, a 4-base, a 5-exhaust fan, a 6-heat dissipation port, a 7-longitudinal rod, an 8-horizontal rod, a 9-fixed block, a 10-wire clamp, a 11-back plate, a 12-brightness sensor, a 13-servo motor, a 14-control mainboard, a 15-drainage groove and a 16-drainage hole, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the LED display screen are known by technicians through technical manuals or conventional experimental methods, the utility model solves the problems that the existing LED display screen is easy to be corroded by wind and rain in the process of long-term outdoor use, a drainage device is not arranged in a box of the LED display screen, and is easy to age in the past, a phenomenon that a bright spot is damaged; the LED screen is used outdoors for a long time, so that the temperature in the box is overhigh, the electronic elements in the box are easily lost in an accelerated manner, and the phenomenon of uneven brightness of the LED screen is caused; simultaneously, current LED screen mainly comprises display module, control system and electrical power generating system, when LED screen light spot goes wrong, can not in time discover, maintain it, thereby uneven luminance's problem appears, the utility model discloses a mutual combination of above-mentioned parts has improved the uneven phenomenon of luminance appears in the LED display screen to a very big degree, when uneven luminance appears, the combination between accessible luminance sensor and the control mainboard, when the bright spot in taking place the LED display screen goes wrong, can in time feed back to the PC end, let maintainer in time maintain the LED display screen, thereby guarantee the even luminance of LED display screen, avoid appearing uneven luminance's phenomenon, simultaneously, through the setting of the device main part, can effectual extension LED display screen's ageing rate and life.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an improve LED display screen of luminance homogeneity which characterized in that: including device main part (1), device main part (1) includes LED display screen (2), shell (3), exhaust fan (5), luminance sensor (12), servo motor (13) and control mainboard (14), the top of the bottom fixed connection base (4) of shell (3), base (4) are the symmetric distribution form, one side of shell (3) is connected with LED display screen (2) through the mode of embedding, drainage tank (15) are seted up to one side inside of shell (3), wash port (16) are all seted up to the both sides inside of drainage tank (15), drainage tank (15) are located the outside of LED display screen (2) bottom.

2. The LED display screen of claim 1, wherein the LED display screen has a brightness uniformity of: the bottom of shell (3) passes through bolted connection exhaust fan (5), two sets of thermovents (6) have been seted up to the bottom of shell (3), and are two sets of thermovents (6) are located the both sides of exhaust fan (5).

3. The LED display screen of claim 1, wherein the LED display screen has a brightness uniformity of: two sets of vertical poles (7) of back fixed connection of LED display screen (2), it is two sets of horizontal pole (8) of equidistance fixed connection three groups between vertical pole (7), be vertically and horizontally staggered distribution form between vertical pole (7) and horizontal pole (8).

4. The LED display screen of claim 3, wherein the LED display screen comprises: one side of horizontal pole (8) is through the one side of welded mode connection fixed block (9), fixed block (9) are the evenly distributed form, one side of fixed block (9) is connected with one side of fastener (10) through the mode of bonding.

5. The LED display screen of claim 1, wherein the LED display screen has a brightness uniformity of: the back of shell (3) articulates there is backplate (11), bolt fixed connection luminance sensor (12) are passed through to one side of backplate (11), the right side of luminance sensor (12) is equipped with control mainboard (14), one side fixed connection of control mainboard (14) is in one side of backplate (11), one side fixed connection servo motor (13) of backplate (11).

6. The LED display screen of claim 5, wherein the LED display screen comprises: the brightness sensor (12), the servo motor (13) and the control main board (14) are in linear connection.