CN217157583U

CN217157583U - Novel LED display screen convenient to heat dissipation

Info

Publication number: CN217157583U
Application number: CN202123002644.9U
Authority: CN
Inventors: 陈龙
Original assignee: Quanzhou Jiacai Electronic Co ltd
Current assignee: Quanzhou Jiacai Electronic Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-08-09
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to a novel LED display screen convenient for heat dissipation, which comprises a display screen shell; a printed circuit board is arranged in the display screen shell; the printed circuit board is provided with LED lamp beads, and the back side of the printed circuit board is provided with a heat conduction cushion layer; heat conducting strips are arranged between the heat conducting cushion layers; a heat conducting bracket is arranged on the back side of the heat conducting cushion layer; the heat conducting bracket is fixedly connected with the heat conducting metal strip; the heat conducting strip is contacted with the heat conducting bracket; the outer side of the display screen is provided with an upper frame and a lower frame; slots are arranged in the upper frame and the lower frame relative to the heat conduction support. The utility model discloses following beneficial effect has: 1) the heat conducting cushion layer and the heat conducting metal strip inside the heat conducting cushion layer can conduct heat absorption on the printed circuit board, and can also be fixedly connected with the heat conducting support through the heat conducting metal strip, so that heat can be quickly transferred to the heat conducting support, and the heat is prevented from being accumulated on the circuit board for a long time.

Description

Novel LED display screen convenient to heat dissipation

Technical Field

The utility model relates to a display screen, concretely relates to novel LED display screen convenient to heat dissipation belongs to LED display screen technical field.

Background

An LED display (LED display) is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, and the like. The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, security trading and the like, and can meet the requirements of different environments. 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 the input voltage and current to meet the requirement of the display screen. The LED screen can realize conversion between different forms of multiple 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. The LED display screen can generate a large amount of heat in the working process, and if the heat cannot be dissipated in time, the electronic elements can be irreversibly damaged; the existing LED display screen can only adopt a self-contained heat dissipation component, and the heat dissipation efficiency is extremely low. Therefore, further improvements are awaited.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses an overcome the defect among the prior art and provide novel heat dissipation LED display screen of being convenient for, simple structure is reasonable, and the radiating effect is good, improves stability, increase of service life, concrete scheme as follows:

a novel LED display screen convenient for heat dissipation comprises a display screen shell; a printed circuit board is arranged in the display screen shell; printed circuit board on be provided with LED lamp pearl, its characterized in that: a heat conducting cushion layer is arranged on the back side of the printed circuit board; heat conducting strips are arranged between the heat conducting cushion layers; a heat conducting bracket is arranged on the back side of the heat conducting cushion layer; the heat conducting bracket is fixedly connected with the heat conducting metal strip; the heat conducting strip is contacted with the heat conducting bracket; the outer side of the display screen is provided with an upper frame and a lower frame; slots are formed in the upper frame and the lower frame relative to the heat conduction bracket; a through groove communicated with the slot is formed in the upper frame and the lower frame; a heat dissipation column is arranged in the through groove; the heat dissipation column is rotatably connected with the heat conduction support.

Preferably, the heat conducting cushion layer is a heat conducting silica gel sheet; the heat conducting cushion layer is connected with the printed circuit board in an adhesion way; the heat conducting cushion layer comprises a plurality of layers.

Preferably, a gap is formed between each heat conducting cushion layer; the heat conducting strip is connected in the gap; the heat conducting strip is a metal heat conducting strip.

Preferably, the heat conducting bracket is a metal bracket; the upper end and the lower end of the heat conduction bracket are respectively provided with a plurality of first heat dissipation bulges; the first heat dissipation bulge is inserted in the slot.

Preferably, one end of the heat dissipation column, which is connected with the heat conduction bracket, is provided with a plurality of second heat dissipation bulges; the heat dissipation column is filled with graphite heat conduction strips.

Preferably, the first heat dissipation bulges and the second heat dissipation bulges are connected in a staggered manner; the first heat dissipation bulges and the second heat dissipation bulges penetrate through the main shaft and are connected in a rotating mode.

Preferably, the surface of the heat dissipation column is flush with the surface of the through groove; the bottom of the through groove is provided with a spring fastener; the end part of the heat dissipation column is provided with a fastening groove relative to the spring fastener.

The utility model discloses following beneficial effect has: 1) the heat conducting cushion layer and the heat conducting metal strip inside the heat conducting cushion layer can be fixedly connected with the heat conducting support through the heat conducting metal strip in the process of absorbing heat of the printed circuit board, so that heat can be quickly transferred to the heat conducting support, and the heat is prevented from being accumulated on the circuit board for a long time; 2) after heat transfer goes up to the heat conduction support, because the heat dissipation post intussuseption is filled with graphite heat conduction strip, after the heat dissipation post rises upwards from leading to the groove, no matter be through natural wind or blast air, can both high efficiency take away the heat in the heat dissipation post, realize high-efficient heat dissipation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the first heat dissipation protrusion and the second heat dissipation protrusion.

Fig. 3 is a schematic structural view in another state.

In the figure, 1 is the display screen shell, 2 is printed circuit board, 3 is LED lamp pearl, 4 is the heat conduction bedding layer, 5 is the heat conduction strip, 6 is the heat conduction support, 7 is upper and lower frame, 8 is the slot, 9 is leading to the groove, 10 is the heat dissipation post, 11 is the snak link, 6.1 is first heat dissipation arch, 10.1 is the second heat dissipation arch.

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 efforts belong to the protection scope of the present invention.

Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art.

Referring to fig. 1-3, a novel LED display screen convenient for heat dissipation includes a display screen housing 1; a printed circuit board 2 is arranged in the display screen shell 1; printed circuit board 2 on be provided with LED lamp pearl 3, its characterized in that: a heat conducting cushion layer 4 is arranged on the back side of the printed circuit board 2; heat conducting strips 5 are arranged between the heat conducting cushion layers 4; a heat conducting bracket 6 is arranged on the back side of the heat conducting cushion layer 4; the heat conducting bracket 6 is fixedly connected with the heat conducting strip 5; the heat conducting strip 5 is in contact with the heat conducting bracket 6; the outer side of the display screen is provided with an upper frame 7 and a lower frame 7; slots 8 are formed in the upper frame 7 and the lower frame 7 relative to the heat conduction support 6; a through groove 9 communicated with the slot is formed in the upper frame 7 and the lower frame 7; the through groove 9 is internally provided with a heat dissipation column 10; the heat dissipation column 10 is rotatably connected with the heat conduction bracket 6.

Further, the heat conducting cushion layer 4 is a heat conducting silica gel sheet; the heat conducting cushion layer 4 is connected with the printed circuit board 2 through bonding; the heat conducting cushion layer 4 comprises a plurality of layers.

Further, a gap is formed between each of the heat conducting pad layers 4; the heat conducting strip 5 is connected in the gap; the heat conducting strip 5 is a metal heat conducting strip.

Specifically, in the present embodiment, the heat conducting pad layer 4, which is composed of the heat conducting silicone sheet and the heat conducting strips 5, can fully and omnidirectionally absorb heat to the printed circuit board 2; the heat dissipation is thorough; and after heat conduction silica gel piece and heat conduction strip 5 absorb heat, can be fast shift the heat to heat conduction support 6 on, ensure that the heat can not shift to printed circuit board again.

Further, the heat conducting bracket 6 is a metal bracket; the upper end and the lower end of the heat conducting support 6 are respectively provided with a plurality of first heat radiating bulges 6.1; the first heat dissipation bulge 6.1 is inserted into the slot 8.

Furthermore, one end of the heat dissipation column 10, which is connected with the heat conduction bracket 6, is provided with a plurality of second heat dissipation protrusions 10.1; the heat dissipation column is filled with graphite heat conduction strips.

Furthermore, the first heat dissipation protrusions 6.1 and the second heat dissipation protrusions 10.1 are connected in a staggered manner; the first heat dissipation bulge 6.1 and the second heat dissipation bulge 10.1 penetrate through the main shaft and are connected in a rotating mode.

Specifically, in the present embodiment, the first heat dissipating protrusions 6.1 and the second heat dissipating protrusions 10.1 are connected in a staggered manner, and are rotatably connected through the main shaft; the heat dissipation column 10 can rotate relative to the first heat dissipation protrusion; when heat dissipation is needed or the heat dissipation efficiency is improved; the ventilation can be increased only by turning up the heat dissipation column and exposing the heat dissipation column in the through groove.

Furthermore, the surface of the heat dissipation column is flush with the surface of the through groove; the bottom of the through groove is provided with a spring fastener 11; the end of the heat dissipation column 10 is provided with a fastening groove corresponding to the spring fastener.

Specifically, in this embodiment, when the heat dissipation post is not needed, the spring fastener 11 can be engaged with the fastening groove to prevent the heat dissipation post from moving freely.

Finally, it is noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A novel LED display screen convenient for heat dissipation comprises a display screen shell; a printed circuit board is arranged in the display screen shell; printed circuit board on be provided with LED lamp pearl, its characterized in that: a heat conducting cushion layer is arranged on the back side of the printed circuit board; heat conducting strips are arranged between the heat conducting cushion layers; a heat conducting bracket is arranged on the back side of the heat conducting cushion layer; the heat conducting bracket is fixedly connected with the heat conducting metal strip; the heat conducting strip is contacted with the heat conducting bracket; the outer side of the display screen is provided with an upper frame and a lower frame; slots are formed in the upper frame and the lower frame relative to the heat conduction bracket; a through groove communicated with the slot is formed in the upper frame and the lower frame; a heat dissipation column is arranged in the through groove; the heat dissipation column is rotatably connected with the heat conduction support.

2. The novel LED display screen convenient to dissipate heat of claim 1, characterized in that: the heat conducting cushion layer is a heat conducting silica gel sheet; the heat conducting cushion layer is connected with the printed circuit board in an adhesion way; the heat conducting cushion layer comprises a plurality of layers.

3. The novel LED display screen convenient to dissipate heat of claim 2, characterized in that: gaps are formed among the heat conducting cushion layers; the heat conducting strip is connected in the gap; the heat conducting strip is a metal heat conducting strip.

4. The novel LED display screen convenient for heat dissipation according to claim 3, wherein: the heat conducting bracket is a metal bracket; the upper end and the lower end of the heat conduction bracket are respectively provided with a plurality of first heat dissipation bulges; the first heat dissipation bulge is inserted in the slot.

5. The novel LED display screen convenient to dissipate heat of claim 4, characterized in that: one end of the heat dissipation column, which is connected with the heat conduction bracket, is provided with a plurality of second heat dissipation bulges; the heat dissipation column is filled with graphite heat conduction strips.

6. The novel LED display screen convenient to dissipate heat of claim 5, characterized in that: the first heat dissipation bulges and the second heat dissipation bulges are connected in a staggered way; the first heat dissipation bulges and the second heat dissipation bulges penetrate through the main shaft and are connected in a rotating mode.

7. The novel LED display screen convenient for heat dissipation according to claim 6, wherein: the surface of the heat dissipation column is flush with the surface of the through groove; the bottom of the through groove is provided with a spring fastener; the end part of the heat dissipation column is provided with a fastening groove relative to the spring fastener.