CN212677065U

CN212677065U - LED display screen switching power supply for building advertising board

Info

Publication number: CN212677065U
Application number: CN202021659964.4U
Authority: CN
Inventors: 范亚斌
Original assignee: Shaanxi Jiutong Photoelectric Technology Co ltd
Current assignee: Shaanxi Jiutong Photoelectric Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-09
Anticipated expiration: 2030-08-11

Abstract

The embodiment of the application discloses LED display screen switching power supply for building advertising board, which comprises a housin, the inside of casing is provided with the circuit board, the bottom fixed mounting of casing has waterproof cover, the inside of casing is provided with the baffle, the left side fixed mounting of baffle has exhaust fan. This LED display screen switching power supply for building advertising board, cooperation through radiator and exhaust fan is used, utilize the radiator to scatter and disappear to the inside air of casing with the heat that the controller component produced, then discharge hot-air by exhaust fan again, conveniently dispel the heat to the controller component, avoid circuit board high temperature, through setting up waterproof cover in casing bottom wire connection department, the LED display screen connecting wire links together with the connection terminal after passing waterproof cover, utilize the inside rubber circle of waterproof cover to tie up tightly in the outside of connecting wire, prevent that the rainwater from entering into the inside of casing through the connection terminal, the safety of the inside electronic component of casing has been protected.

Description

LED display screen switching power supply for building advertising board

Technical Field

The application relates to the technical field of switching power supplies, in particular to an LED display screen switching power supply for a building advertising board.

Background

A switching power supply is a high-frequency power conversion device, and is one of power supplies. The function is to convert a level voltage into a voltage or current required by a user terminal through different types of architectures, and the LED switch power supply is switched on and off at high speed by controlling a switch tube through a circuit. The DC is converted into high-frequency AC to transform the voltage of the converter, so that the converter generates one or more groups of required voltages, and the efficiency of the high-frequency AC in a transformer circuit is higher than that of the commercial power at 50Hz or 60 Hz.

Switching power supply can produce the heat at the in-process that uses, leads to the inside temperature rising of power, can influence switching power supply's safety in utilization when electronic component's high temperature, and to some switching power supply of using outdoors simultaneously, its waterproof performance is not good enough, and when meetting rainy day, the inside of power is intake easily, influences switching power supply's safety in utilization, for this we have proposed a building LED display screen switching power supply for bill-board.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a switching power supply for an LED display screen of a building billboard, so as to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a building LED display screen switching power supply for bill-board, includes the casing, the inside of casing is provided with the circuit board, the bottom fixed mounting of casing has waterproof cover, the inside of casing is provided with the baffle, the left side fixed mounting of baffle has exhaust fan, the air vent has been seted up in exhaust fan's left side, the top of air vent is provided with the separation blade, the air inlet has been seted up at the top of casing, the top of air inlet is provided with the bounding wall, the top fixed mounting of bounding wall has the manger plate lid.

Optionally, the inside of the circuit board is provided with a controller element, the top of the controller element is fixedly provided with a radiator, the front of the radiator is provided with a cooling fan, and the front of the circuit board is fixedly provided with a wire holder positioned at the bottom of the radiator.

Optionally, the waterproof jacket is corresponding to the wire holder, the inside of the waterproof jacket comprises an installation snap ring, the inside fixedly connected with rubber membrane of the installation snap ring, and the bottom fixedly connected with rubber ring of the rubber membrane.

Optionally, the left side of the partition plate is fixedly mounted with the right side of the exhaust fan, and a communication hole is formed in the partition plate.

Optionally, the left side of the blocking pieces is inclined towards the lower left corner, and the blocking pieces are vertically arranged at equal intervals.

Optionally, the inside of bounding wall is provided with the cotton that absorbs water, the top of bounding wall is covered completely to the fender water cover.

The application provides a pair of LED display screen switching power supply for building advertising board possesses following beneficial effect:

1. this LED display screen switching power supply for building advertising board, cooperation through radiator and exhaust fan is used, utilize the radiator to scatter and disappear to the inside air of casing with the heat that the controller component produced, then discharge hot-air by exhaust fan again, conveniently dispel the heat to the controller component, avoid circuit board high temperature, through setting up waterproof cover in casing bottom wire connection department, the LED display screen connecting wire links together with the connection terminal after passing waterproof cover, utilize the inside rubber circle of waterproof cover to tie up tightly in the outside of connecting wire, prevent that the rainwater from entering into the inside of casing through the connection terminal, the safety of the inside electronic component of casing has been protected.

2. This LED display screen switching power supply for building advertising board, cooperation through separation blade and manger plate lid is used, utilize separation blade and manger plate lid to shelter from air vent and air inlet respectively, avoid the rainwater to enter into the inside of casing through air vent and air inlet, the waterproof ability of device has been improved, it is cotton to absorb water to set up through the top at the air inlet, utilize the cotton steam that contains in the absorption air that absorbs water, prevent that the steam that contains in the air from entering into the inside of casing, electronic component's safety has further been protected.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram illustrating a switching power supply of an LED display screen for a building billboard according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram illustrating a switching power supply radiator of an LED display screen for a building billboard according to an embodiment of the present disclosure;

fig. 3 shows a schematic diagram of a waterproof jacket of a switching power supply of an LED display screen for a building billboard according to an embodiment of the present application.

In the figure: 1. a housing; 2. a circuit board; 3. a heat sink; 31. a heat radiation fan; 4. a wire holder; 5. a waterproof jacket; 51. installing a snap ring; 52. a rubber film; 53. a rubber ring; 6. a partition plate; 7. a communicating hole; 8. an exhaust fan; 9. a vent hole; 10. a baffle plate; 11. an air inlet; 12. enclosing plates; 13. absorbent cotton; 14. a water blocking cover.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Referring to fig. 1 to 3, the present invention provides a technical solution: a switch power supply of an LED display screen for a building billboard comprises a shell 1, a circuit board 2 is arranged inside the shell 1, a controller element is arranged inside the circuit board 2, a radiator 3 is fixedly arranged at the top of the controller element, a radiator fan 31 is arranged on the front surface of the radiator 3, heat generated by the controller element is dissipated into air inside the shell 1 by the radiator 3 through the matching use of the radiator 3 and an exhaust fan 8, then the exhaust fan 8 exhausts the hot air to conveniently dissipate the heat of the controller element, the overhigh temperature of the circuit board 2 is avoided, a wiring seat 4 positioned at the bottom of the radiator 3 is fixedly arranged on the front surface of the circuit board 2, a waterproof sleeve 5 is fixedly arranged at the bottom of the shell 1, the waterproof sleeve 5 corresponds to the wiring seat 4, a mounting snap ring 51 is arranged inside the waterproof sleeve 5, and a rubber film 52 is fixedly connected inside the mounting snap ring 51, the bottom of the rubber film 52 is fixedly connected with a rubber ring 53, a waterproof sleeve 5 is arranged at a wiring port at the bottom of the shell 1, an LED display screen connecting line penetrates through the waterproof sleeve 5 and then is connected with a wiring seat 4, the rubber ring 53 inside the waterproof sleeve 5 is tightly bound outside the connecting line to prevent rainwater from entering the interior of the shell 1 through the wiring port, the safety of electronic elements inside the shell 1 is protected, a partition plate 6 is arranged inside the shell 1, the left side of the partition plate 6 is fixedly installed with the right side of an exhaust fan 8, a communication hole 7 is formed inside the partition plate 6, the exhaust fan 8 is fixedly installed on the left side of the partition plate 6, an air vent 9 is formed on the left side of the exhaust fan 8, a baffle plate 10 is arranged at the top of the air vent 9, the lower left side corner of the baffle plate 10 is inclined, the baffle plate 10 and a water blocking cover 14 are matched for use, and the baffle, avoid the rainwater to enter into casing 1's inside through air vent 9 and air inlet 11, the waterproof capability of device has been improved, the vertical range of separation blade 10 equidistant, air inlet 11 has been seted up at casing 1's top, air inlet 11's top is provided with bounding wall 12, the inside of bounding wall 12 is provided with the cotton 13 that absorbs water, set up the cotton 13 that absorbs water through the top at air inlet 11, utilize the steam that contains in the cotton 13 absorption air that absorbs water, prevent that the steam that contains in the air from entering into casing 1's inside, further protected electronic component's safety, the top of bounding wall 12 is covered completely to the retaining lid 14, the top fixed mounting of bounding wall 12 has retaining lid 14.

In conclusion, the utility model provides a LED display screen switching power supply for building bill-board, when using, pass waterproof cover 5 with the connecting wire of LED display screen earlier and extend to the inside of casing 1, then link together with wire holder 4, the during operation scatters and disappears the inside air of casing 1 through the heat that radiator 3 produced, then discharge hot-air by exhaust fan 8, during rainy, utilize separation blade 10 and retaining cover 14 to shelter from air vent 9 and air inlet 11 respectively, avoid the rainwater to enter into the inside of casing 1 through air vent 9 and air inlet 11, can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a building LED display screen switching power supply for bill-board, includes casing (1), its characterized in that: the inside of casing (1) is provided with circuit board (2), the bottom fixed mounting of casing (1) has waterproof cover (5), the inside of casing (1) is provided with baffle (6), the left side fixed mounting of baffle (6) has exhaust fan (8), air vent (9) have been seted up in the left side of exhaust fan (8), the top of air vent (9) is provided with separation blade (10), air inlet (11) have been seted up at the top of casing (1), the top of air inlet (11) is provided with bounding wall (12), the top fixed mounting of bounding wall (12) has water blocking lid (14).

2. The LED display screen switching power supply for the building advertising board as claimed in claim 1, wherein: the interior mounting of circuit board (2) has the controller component, the top fixed mounting of controller component has radiator (3), the front of radiator (3) is provided with radiator fan (31), the positive fixed mounting of circuit board (2) has wire holder (4) that are located radiator (3) bottom.

3. The LED display screen switching power supply for the building advertising board as claimed in claim 1, wherein: waterproof cover (5) are corresponding with connection terminal (4), the inside of waterproof cover (5) is including installation snap ring (51), the inside fixedly connected with rubber membrane (52) of installation snap ring (51), the bottom fixedly connected with rubber circle (53) of rubber membrane (52).

4. The LED display screen switching power supply for the building advertising board as claimed in claim 1, wherein: the left side of the partition plate (6) is fixedly installed with the right side of the exhaust fan (8), and a communicating hole (7) is formed in the partition plate (6).

5. The LED display screen switching power supply for the building advertising board as claimed in claim 1, wherein: the left side of the baffle plate (10) inclines towards the lower left corner, and the baffle plates (10) are vertically arranged at equal intervals.

6. The LED display screen switching power supply for the building advertising board as claimed in claim 1, wherein: the inside of bounding wall (12) is provided with cotton (13) that absorbs water, the top of bounding wall (12) is covered completely in fender water cover (14).