CN212812450U

CN212812450U - Brightness-adjustable small-space LED display screen

Info

Publication number: CN212812450U
Application number: CN202021397613.0U
Authority: CN
Inventors: 郭洋; 庄军
Original assignee: Shenzhen Meimeimeijia Optoelectronic Co ltd
Current assignee: Shenzhen Meimeimeijia Optoelectronic Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-26
Anticipated expiration: 2030-07-16

Abstract

The embodiment of the utility model discloses adjustable booth apart from LED display screen of luminance relates to LED display screen equipment technical field. The utility model discloses a base, carousel, protecting frame and LED display screen, surface mounting has the carousel on the base, and the surface welding has protecting frame on the carousel, and protecting frame is the cavity structure, and a protecting frame surface mounting has inlayed the LED display screen. The utility model discloses a light detecting head and multi-functional control card structure, the convenience is according to daytime and night ambient light difference, the luminance of automatic adjustment LED display screen, improves comfort level and the definition that people watched; through the cooling fan, the electromagnetic radiator and the strip-shaped cooling groove structure, the electric assembly on the main control circuit board is prevented from being burnt out due to insufficient heat dissipation; through the dustproof device, dust absorbed when the LED display screen works is collected in time, so that the working performance of the LED display screen is prevented from being influenced; through the carousel structure, can let the LED display screen towards different horizontal planes, improve equipment's flexibility.

Description

Brightness-adjustable small-space LED display screen

Technical Field

The embodiment of the utility model provides a relate to LED display screen equipment technical field, concretely relates to adjustable booth apart from LED display screen of luminance.

Background

LED displays are english acronyms for light emitting diodes. The LED display screen is used for displaying various information such as characters, graphs, images, animation, quotation, videos, video signals and the like by controlling the display mode of the semiconductor light emitting diode, the LED display screen is a screen formed by an array of the light emitting diodes, the area of the screen can be enlarged and the number of the LEDs can be increased if the resolution of the LED display screen is improved, and the LED display screen is realized by reducing the distance between the LEDs, reducing the size of the LEDs and increasing the number of the LEDs under the condition that the area is not changed.

LED display screen generally carries out work in the open air, and daytime or night ambient light is different, also different to the required luminance of display screen, LED display screen often can be burnt out because the electrical component heat dissipation on the master control circuit board is insufficient, influence its life, absorb the dust easily in the work of LED display screen, cause the dust to pile up, influence its working property, most LED display screens all are fixed in a plane simultaneously, inconvenient adjustment.

Disclosure of Invention

Therefore, the embodiment of the utility model provides a luminance adjustable small-space LED display screen, through optical detection head and multi-functional control card structure, conveniently according to daytime and night ambient light difference, the luminance of automatic adjustment LED display screen improves comfort level and the definition that people watched; through the cooling fan, the thermomagnetic radiator and the strip-shaped cooling groove structure, the electric components on the main control circuit board are prevented from being burnt out due to insufficient heat dissipation, and the service life of the main control circuit board is prevented from being influenced; dust absorbed by the LED display screen during working is collected in time through the dustproof device, so that dust accumulation is avoided, and the working performance of the LED display screen is prevented from being influenced; the LED display screen can face different horizontal planes through the turntable structure, so that the adjustment is convenient, and the flexibility of the equipment is improved; the problems that in the prior art, the brightness cannot be self-adaptive, the heat dissipation is insufficient and dust is accumulated are solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a small-space LED display screen with adjustable brightness comprises a base, a rotary table, a protective frame and an LED display screen, wherein the rotary table is mounted on the upper surface of the base, the protective frame is welded on the upper surface of the rotary table and is of a cavity structure, the LED display screen is embedded on one surface of the protective frame, and a first groove is formed in the base;

the LED display screen comprises LED luminous tubes, a PCB, optical detection heads, an integrated circuit welding plate and a thermomagnetic radiator, wherein the surface of the PCB is provided with a plurality of LED luminous tubes and a plurality of optical detection heads, the optical detection heads are positioned on two sides of the LED luminous tubes, the other surface of the PCB is welded with the integrated circuit welding plate, and the surface of the integrated circuit welding plate is provided with a plurality of thermomagnetic radiators.

Furthermore, a supporting plate is arranged in the first groove, the upper surface of the supporting plate is welded with the surface of the first rotary table, sliding grooves are formed in two sides of the inner surface of the first groove, a plurality of second grooves are formed in the bottom end of the first groove, and the second grooves are of umbrella-shaped structures; the utility model discloses a support structure, including backup pad, slider, first compression spring, supporting column, limiting plate, second compression spring, backup pad both sides all weld there is the slider, slider and spout sliding fit, install first compression spring between slider lower surface and spout, the lower surface welding of backup pad has a plurality of support columns, mutually support between support column and the second recess, the welding of support column bottom has the limiting plate, the limiting plate is installed inside the second recess, install second compression spring between backup pad lower surface and the second recess, second compression spring twines on support column week side, the diameter of support column is less than the opening diameter of second recess, the diameter of limiting plate is greater than the opening.

Further, temperature monitor and alarm are installed to protective frame one side, the inside temperature sensor that is provided with of temperature monitor, protective frame another surface is provided with a plurality of bar radiating grooves and a door body, the door body is located bar radiating groove below, the door body is connected with protective frame through the bolt, an inside surface mounting of protective frame has multi-function control board, the welding of two bar radiating grooves top has the installation frame, the installation frame is installed inside protective frame, installation frame internally mounted has radiator fan, protective frame, inside bottom is provided with dust keeper.

Furthermore, the dustproof device comprises a dust collector, a dust collection box and a plurality of suction pipes, the dust collector is sequentially connected with the dust collection box and the suction pipes, and the dust collection box is matched with the door body.

Further, LED display screen, temperature monitor, alarm, radiator fan and dust catcher respectively with multi-functional control card electric connection.

The utility model discloses an embodiment has following advantage:

1. the utility model discloses a light detecting head and multi-function control card structure, the convenience is different according to daytime and night environment light, and the luminance of automatic adjustment LED display screen improves comfort level and definition that people watched.

2. The utility model discloses a radiator fan, thermomagnetic radiator and bar radiating groove structure avoid the electrical component heat dissipation on the main control circuit board insufficient and burnt out, influence its life.

3. The utility model discloses a dust keeper in time collects the dust that the LED display screen during operation absorbed, avoids the dust to pile up, influences the working property of LED display screen.

4. The utility model discloses a carousel structure can let the LED display screen towards different horizontal planes, conveniently adjusts improve equipment's flexibility.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

Fig. 1 is a schematic structural view of an LED display screen with adjustable brightness and small spacing according to an embodiment of the present invention;

fig. 2 is a schematic view of a rear view structure of an LED display screen with adjustable brightness and small spacing according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a protection frame according to an embodiment of the present invention;

FIG. 4 is a schematic view of the internal structure of the base according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of an LED display screen according to an embodiment of the present invention.

In the figure: 1. a base; 2. a turntable; 3. a support plate; 4. a first groove; 5. a protective frame; 6. an LED display screen; 7. a strip-shaped heat dissipation groove; 8. an LED light emitting tube; 9. a PCB board; 10. an optical probe; 11. An integrated circuit bonding pad; 12. a thermomagnetic radiator; 14. a temperature display; 15. an alarm; 16. a mounting frame; 17. a heat radiation fan; 18. a multifunctional control card; 19. a dust-proof device; 20. a vacuum cleaner; 21. A dust collecting box; 22. a straw; 23. a door body; 24. a first compression spring; 25. a second groove; 26. a support pillar; 27. a limiting plate; 28. a second compression spring; 29. a slider; 30. a chute.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

As shown in fig. 1-5, the utility model provides a brightness-adjustable small-space LED display screen, which comprises a base 1, a turntable 2, a protection frame 5 and an LED display screen 6, wherein the turntable 2 is installed on the upper surface of the base 1, the protection frame 5 is welded on the upper surface of the turntable 2, the protection frame 5 is of a cavity structure, the LED display screen 6 is embedded on one surface of the protection frame 5, and a first groove 4 is arranged inside the base 1;

the optical probe head 10 is arranged to function: the LED display screen 6 generally works outdoors, the brightness required by the LED display screen 6 is different due to different ambient light in the day or at night, and the brightness of the LED display screen 6 needs to be adjusted to be bright in the daytime ambient light intensity so as to be adapted to human eyes; when the ambient light is weak at night, the brightness of the LED display screen 6 needs to be reduced, so that the user can not feel dazzling, the special optical detection head 10 is arranged to automatically adjust the brightness of the LED display screen 6 according to the difference of the ambient light, the convenience and the rapidness are realized, the comfort level and the definition of watching are improved, and in order to better explain the effects, the specific matters are as follows:

LED display screen 6 includes LED luminotron 8, PCB board 9, optical detection head 10, integrated circuit welded plate 11 and thermomagnetic radiator 12, 9 a surfaces of PCB board are provided with a plurality of LED luminotrons 8 and a plurality of optical detection head 10, a plurality of optical detection head 10 are located 8 both sides of LED luminotron, another skin weld of PCB board 9 has integrated circuit welded plate 11, 11 a surface mounting of integrated circuit welded plate has a plurality of thermomagnetic radiators 12, a plurality of LED luminotron 8's dot interval is less than P2.5, booth apart from LED display screen 6 can realize showing higher resolution ratio picture under equal size, the change of receiving the ambient light through optical detection head 10 converts the signal into, the conduction is at the luminance of 18 control LED display screen 6 of many functional control boards.

The provision of the first and second compression springs 24, 28 and the support post 26 serves to: the LED display screen 6 inevitably receives external impact and vibration in the using process, some LED display screens 6 are fixedly connected with the base 1, the shock resistance is poor, and the flexibility is not enough, and the first compression spring 24, the second compression spring 28 and the support column 26 are specially arranged to improve the shock resistance of the device and improve the flexibility of the device, for better explaining the above effects, the specific matters are as follows:

a supporting plate 3 is arranged in the first groove 4, the upper surface of the supporting plate 3 is welded with one surface of the rotary table 2, sliding grooves 30 are arranged on two sides of the inner surface of the first groove 4, a plurality of second grooves 25 are arranged at the bottom end of the first groove 4, and the second grooves 25 are of umbrella-shaped structures; slider 29 has all been welded to 3 both sides of backup pad, slider 29 and 30 sliding fit of spout, install first compression spring 24 between slider 29 lower surface and spout 30, 3 lower surface welding of backup pad has a plurality of support columns 26, mutually support between support column 26 and the second recess 25, 26 bottom welding of support column has limiting plate 27, limiting plate 27 is installed inside second recess 25, install second compression spring 28 between 3 lower surfaces of backup pad and second recess 25, second compression spring 28 winding is on 26 week sides of support column, 26 diameter of support column is less than the opening diameter of second recess 25, limiting plate 27's diameter is greater than the opening diameter of second recess 25, impact and the vibrations that buffer device received are come through compressing first compression spring 24 and second compression spring 28, heighten the shock resistance of device, the bearing capacity of base 1 has been improved simultaneously.

The dust-proof device 19 and the heat-radiating fan 17 are provided to function as: the LED display screen 6 usually needs to work for a long time, if the insufficient heat dissipation can lead to inside electrical component to burn out, influence life, and pile up the dust easily, long-time not clear up can influence the working property of LED display screen 6, set up dust keeper 19 and radiator fan 17 specially and fully dispel the heat to inside electrical component, prevent that the temperature is too high and burnt out, conveniently handle the dust simultaneously, avoid piling up, in order to explain above-mentioned effect better, to this concrete matter as follows:

a temperature display 14 and an alarm 15 are installed on one side of a protection frame 5, a temperature sensor is arranged in the temperature display 14, a plurality of strip-shaped radiating grooves 7 and a door body 23 are arranged on the other surface of the protection frame 5, the door body 23 is positioned below the strip-shaped radiating grooves 7, the door body 23 is connected with the protection frame 5 through bolts, a multifunctional control card 18 is installed on one surface in the protection frame 5, an installation frame 16 is welded above the two strip-shaped radiating grooves 7, the installation frame 16 is installed in the protection frame 5, a radiating fan 17 is installed in the installation frame 16, a dustproof device 19 is arranged at the bottom end in the protection frame 5, the dustproof device 19 comprises a dust collector 20, a dust collection box 21 and a plurality of suction pipes 22, the dust collector 20 is sequentially connected with the dust collection box 21 and the suction pipes 22, the dust collection box 21 is matched with the door body, the heat dissipation fan 17 can also dissipate heat of the internal electrical components in time.

The LED display screen 6, the temperature display 14, the alarm 15, the cooling fan 17 and the dust collector 20 are respectively electrically connected with the multifunctional control card 18.

As shown in fig. 1-5, the utility model provides a luminance adjustable booth apart from LED display screen, preferably, the model of multi-functional control card 18 is MFN300, and temperature sensor's model is NTC temperature sensor, and its method of use is: conveniently adjust LED display screen 6 through carousel 2 the horizontal plane, improve equipment's flexibility, LED display screen 6 generally all needs long-time work, radiator fan 17 and thermomagnetic radiator 12 can be abundant dispel the heat to inside electrical component, avoid being burnt out because of the high temperature, and LED display screen 6 can adjust LED display screen 6's luminance according to daytime and night environment light's difference through light detecting head 10, heighten comfort level and definition that people watched, dust keeper 19 can in time attract inside dust to collect with equipment during operation simultaneously, avoid the dust to pile up.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The LED display screen with the adjustable brightness and the small space comprises a base (1), a turntable (2), a protective frame (5) and an LED display screen (6), and is characterized in that the turntable (2) is mounted on the upper surface of the base (1), the protective frame (5) is welded on the upper surface of the turntable (2), the protective frame (5) is of a cavity structure, the LED display screen (6) is embedded on one surface of the protective frame (5), and a first groove (4) is formed in the base (1);

LED display screen (6) include LED luminotron (8), PCB board (9), light detecting head (10), integrated circuit welded plate (11) and thermomagnetic radiator (12), PCB board (9) surface is provided with a plurality of LED luminotrons (8) and a plurality of light detecting head (10), a plurality of light detecting heads (10) are located LED luminotron (8) both sides, another skin weld of PCB board (9) has integrated circuit welded plate (11), an integrated circuit welded plate (11) surface mounting has a plurality of thermomagnetic radiators (12).

2. The LED display screen with the adjustable brightness and the small spacing according to claim 1, wherein a support plate (3) is installed inside the first groove (4), the upper surface of the support plate (3) is welded with one surface of the turntable (2), sliding grooves (30) are formed in two sides of the inner surface of the first groove (4), a plurality of second grooves (25) are formed in the bottom end of the first groove (4), and the second grooves (25) are of umbrella-shaped structures; sliding blocks (29) are welded on two sides of the supporting plate (3), the sliding blocks (29) are in sliding fit with the sliding grooves (30), a first compression spring (24) is arranged between the lower surface of the sliding block (29) and the sliding groove (30), a plurality of supporting columns (26) are welded on the lower surface of the supporting plate (3), the supporting columns (26) are matched with the second grooves (25), a limiting plate (27) is welded at the bottom end of the supporting column (26), the limiting plate (27) is arranged in the second groove (25), a second compression spring (28) is arranged between the lower surface of the supporting plate (3) and the second groove (25), the second compression spring (28) is wound on the peripheral side of the support column (26), the diameter of the supporting column (26) is smaller than the opening diameter of the second groove (25), the diameter of the limiting plate (27) is larger than the opening diameter of the second groove (25).

3. A brightness adjustable small-space LED display screen as claimed in claim 1, a temperature display (14) and an alarm (15) are arranged on one side of the protective frame (5), a temperature sensor is arranged in the temperature display (14), a plurality of strip-shaped heat dissipation grooves (7) and a door body (23) are arranged on the other surface of the protective frame (5), the door body (23) is positioned below the strip-shaped heat dissipation groove (7), the door body (23) is connected with the protective frame (5) through a bolt, a multifunctional control card (18) is arranged on one surface in the protective frame (5), an installation frame (16) is welded above the two strip-shaped heat dissipation grooves (7), the installation frame (16) is installed inside the protection frame (5), the installation frame (16) internally mounted has radiator fan (17), the inside bottom of protective frame (5) is provided with dust keeper (19).

4. The LED display screen with the adjustable brightness and the small interval as claimed in claim 3, wherein the dust-proof device (19) comprises a dust collector (20), a dust collection box (21) and a plurality of suction pipes (22), the dust collector (20) is sequentially connected with the dust collection box (21) and the suction pipes (22), and the dust collection box (21) is matched with the door body (23).

5. The LED display screen with the adjustable brightness and the small distance according to claim 1, wherein the LED display screen (6), the temperature display (14), the alarm (15), the cooling fan (17) and the dust collector (20) are respectively and electrically connected with the multifunctional control card (18).