COB display panel convenient for rapid heat dissipation

Abstract

The utility model belongs to the technical field of COB display panels, and discloses a COB display panel convenient for rapid heat dissipation, which comprises a shell, a display screen is mounted on the inner side of the shell, a heat absorption plate is arranged on the rear side of the display screen, heat conduction paste is arranged between the heat absorption plate and the display screen, an air exhaust assembly is mounted on the shell at a position corresponding to the heat absorption plate, and the heat conduction paste is arranged between the heat absorption plate and the display screen. The air exhaust assembly comprises an air exhaust pipe, air outlets are formed in the air exhaust pipe at equal intervals, the end of the air exhaust pipe is connected with a pipeline connector, the pipeline connector is connected with an ion generator through an air guide pipe, the ion generator is connected with a fan through a pipeline, and tiny air gaps are filled with heat conduction paste. According to the COB display panel, better heat conduction efficiency can be provided, rapid heat dissipation of the COB display panel is facilitated, heat on the heat absorption plate and the heat dissipation fins is taken away through air flow, dust is prevented from being attached to the heat absorption plate and the heat dissipation fins, and the situation that the heat dissipation effect of the heat absorption plate and the heat dissipation fins is affected due to dust attachment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to COB display panel technical field, concretely is a kind of COB display panel of convenient quick heat dissipation. BACKGROUND

[0002] COB display panel uses chip packaging technology, transistor chip is directly installed on LED lamp pearl, or directly bare chip is adhered on interconnection substrate with conductive or non-conductive glue, then lead bonding is carried out to realize electrical connection between chip and substrate, the cumbersome surface mounting technology and support structure in traditional SMD packaging are saved, widely used in advertising display, information release in public places such as shopping mall, hotel, airport, station, in conference room, classroom, training center, can be used as main screen or teaching equipment, provide clear, smooth image and video display, suitable for theatre, concert site, stadium and other cultural and entertainment places, in traffic, energy, security monitoring and command center, COB display panel with its high resolution, high reliability and stability.

[0003] Chinese patent with application No.202120722587.2 discloses a heat dissipation structure for COB display panel, comprising a shell, a mounting groove is formed in one side outer wall of the shell, and a display screen is screwed on the inner wall of the mounting groove, rectangular openings are formed in the outer walls of both sides of the shell, and heat conduction mechanisms are slidingly connected to the inner walls of the two rectangular openings, a connecting mechanism is screwed on one side outer wall of the two heat conduction mechanisms, heat absorption plates are screwed on the inner walls of both sides of the shell, the connecting mechanism comprises a heat conduction seat, and telescopic rods are screwed on the top outer walls of the heat conduction seats, springs are sleeved on the outer walls of the three telescopic rods, by setting the storable heat conduction mechanisms on both sides of the shell, the heat dissipation efficiency of the display panel is improved, and the heat conduction mechanism can dissipate heat from display panels with different temperatures through two heat dissipation modes, solving the problem of poor heat dissipation effect of existing COB display panels.

[0004] However, the heat dissipation structure for COB display panel has the following problems in actual use: there is a gap between the heat absorption plate and the display screen, and this gap relies on air as a heat conduction medium, resulting in low heat dissipation efficiency, and secondly, after long-term use, dust will adhere to the heat dissipation fins, heat absorption plate and other heat conduction and dissipation media, affecting the efficiency of heat dissipation.

[0005] Therefore, a COB display panel for quick heat dissipation is proposed to solve the above problems. Utility model content

[0006] To solve the problems presented in the background art, the utility model provides a COB display panel convenient for quick heat dissipation has the advantages that heat conduction is carried out by using heat conduction paste, small air gaps can be filled, heat conduction efficiency is improved, heat and attached dust are taken away by air flow, and heat dissipation efficiency is guaranteed.

[0007] To achieve the above object, the utility model provides the following technical scheme: a COB display panel convenient for quick heat dissipation, including the shell, the shell inside is installed display screen, the rear side of display screen is provided with heat absorption plate, heat absorption plate with display screen between be equipped with heat conduction paste, the position of shell with heat absorption plate corresponding installs exhaust component;

[0008] The exhaust component includes an exhaust pipe, the exhaust pipe is equipped with equidistance arranged air outlet, the end of exhaust pipe is connected with pipe joint, the pipe joint is connected with ion generator through air duct, the ion generator is connected with fan through pipeline, the import of fan is connected with filter adsorption component through pipeline.

[0009] Preferably, the back side of the heat absorption plate is connected with uniformly distributed fins, and air ducts are formed between adjacent fins.

[0010] Preferably, the filter adsorption component includes a box body, filter screens are arranged at positions close to both ends in the inner cavity of the box body, sponge blocks are arranged on sides close to the filter screens, and adsorption fillers are arranged between the sponge blocks.

[0011] Preferably, the box body is provided with an air inlet at an end away from the fan.

[0012] Preferably, the top and the bottom of the box body are both provided with movable sealing plates, and the movable sealing plates are connected to the box body by bolts.

[0013] Preferably, a through groove is formed in a side of the shell away from the exhaust pipe.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By setting heat conduction paste, the heat conduction paste can fill small air gaps, and better heat conduction efficiency can be provided, which is conducive to the quick heat dissipation of the COB display panel.

[0016] 2. By setting the exhaust component, the heat on the heat absorption plate and the fins can be taken away by air flow, and some dust can be prevented from adhering to the heat absorption plate and the fins, so that the heat dissipation effect of the heat absorption plate and the fins is not affected by the dust. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is the section structure schematic view of the utility model;

[0019] Figure 3 It is the bottom structure schematic view of the utility model;

[0020] Figure 4 It is the structure schematic view of the utility model exhaust assembly;

[0021] Figure 5 It is the structure schematic view of the utility model filter adsorption assembly.

[0022] In the drawing: 1, shell;2, display screen;3, heat absorption plate;4, heat conduction paste;

[0023] 5, exhaust assembly;501, exhaust pipe;502, air outlet;503, pipe joint;504, air duct;505, ion generator;506, fan;

[0024] 6, filter adsorption assembly;601, box;602, filter screen;603, sponge block;604, adsorption filler;605, air inlet;606, movable sealing plate;607, bolt;

[0025] 7, heat sink;8, air duct;9, through slot. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] As Figures 1 to 5 Indicated, the utility model provides a kind of COB display panel of quick heat dissipation, including shell 1, display screen 2 is installed in shell 1 inner side, the rear side of display screen 2 is provided with heat absorption plate 3, heat absorption plate 3 is equipped with heat conduction paste 4 between display screen 2, utilize heat conduction paste 4 to fill small air gap, can provide better heat conduction efficiency, it is conducive to the quick heat dissipation of COB display panel, the position corresponding with heat absorption plate 3 on shell 1 is installed with exhaust assembly 5, utilize air flow to take away the heat on heat absorption plate 3 and heat sink 7, and prevent some dust from adhering on heat absorption plate 3 and heat sink 7, avoid dust adhesion to influence the heat dissipation effect of heat absorption plate 3 and heat sink 7;

[0028] The air exhaust assembly 5 comprises an air exhaust pipe 501, the air exhaust pipe 501 is provided with air outlets 502 arranged at equal intervals, the end of the air exhaust pipe 501 is connected with a pipe joint 503, the pipe joint 503 is connected with an ion generator 505 through an air duct 504, the ions generated by the ion generator 505 follow the air flow and blow to the positions of the heat absorption plate 3 and the heat dissipation fins 7, so that the generation of static electricity is reduced, and a large amount of dust is avoided from being adsorbed, the ion generator 505 is connected with a fan 506 through a pipeline, the inlet of the fan 506 is connected with the filter adsorption assembly 6 through a pipeline, the filter adsorption assembly 6 can filter and adsorb the air blowing to the positions of the heat absorption plate 3 and the heat dissipation fins 7, remove the dust and water vapor in the air, and avoid the dust and water vapor from adhering to the positions of the heat absorption plate 3 and the heat dissipation fins 7, so that the heat dissipation of the heat absorption plate 3 and the heat dissipation fins 7 is facilitated.

[0029] Specifically, the back side of the heat absorption plate 3 is connected with the heat dissipation fins 7 which are uniformly distributed, and the air ducts 8 are formed between the adjacent heat dissipation fins 7, so that the air flow passes through the heat absorption plate 3 and the heat dissipation fins 7.

[0030] Further, the filter adsorption assembly 6 comprises a box body 601, filter screens 602 are arranged at positions close to both ends in the inner cavity of the box body 601, the filter screens 602 can filter air impurities and limit the adsorption fillers 604, sponge blocks 603 are arranged on the sides close to the filter screens 602, the sponge blocks 603 can adsorb part of the water vapor, and the adsorption fillers 604 are arranged between the sponge blocks 603, the adsorption fillers 604 are a mixture of activated carbon and moisture-proof agents and are used for adsorbing impurities and water vapor.

[0031] Still further, the box body 601 is provided with an air inlet 605 at an end away from the fan 506, for air to enter the box body 601.

[0032] It is worth noting that the top and the bottom of the box body 601 are provided with movable sealing plates 606, the movable sealing plates 606 are connected with the box body 601 through bolts 607, the movable sealing plates 606 are opened, so that the adsorption fillers 604 in the box body 601 are replaced.

[0033] It is worth noting that the side of the shell 1 away from the air exhaust pipe 501 is provided with a through slot 9, so that the air flow blows out of the shell 1.

[0034] Among them, the ion generator 505 and the fan 506 are prior art, and will not be described in detail; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of the patent and will not be described in detail.

[0035] Working principle and process: the heat generated by the display screen 2 is transmitted to the heat absorption plate 3 through the heat conducting paste 4 and is transmitted to the heat dissipation fin 7, the heat dissipation fin 7 can increase the contact area with air to facilitate heat dissipation, and the heat conducting paste 4 fills the small air gap to provide better heat conduction efficiency, which is conducive to the rapid heat dissipation of the COB display panel, the fan 506 of the exhaust assembly 5 is started, the air outside is introduced into the box 601 through the air inlet 605 of the filter adsorption assembly 6, the impurities and water vapor in the air are adsorbed by the filter screen 602, the sponge block 603 and the adsorption filler 604, so that the air is clean and dry, and then the air is introduced into the ion generator 505 through the fan 506, the ion generator 505 generates ions to mix into the air, and then the air is discharged through the air outlet 502 after passing through the air duct 504, the pipe joint 503 and the exhaust pipe 501, the air blows through the heat absorption plate 3 and the heat dissipation fin 7 along the air duct 8, and then leaves the position of the housing 1 through the through slot 9, the air flow carries away the heat on the heat absorption plate 3 and the heat dissipation fin 7, and prevents some dust from adhering to the heat absorption plate 3 and the heat dissipation fin 7, avoiding the influence of dust adhesion on the heat dissipation effect of the heat absorption plate 3 and the heat dissipation fin 7, the ions generated by the ion generator 505 blow to the position of the heat absorption plate 3 and the heat dissipation fin 7 along with the air flow, which can reduce the generation of static electricity and avoid adsorbing a large amount of dust.

[0036] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A COB display panel facilitating rapid heat dissipation, comprising a shell (1), characterized in that: The shell (1) is internally provided with a display screen (2), the rear side of the display screen (2) is provided with a heat absorbing plate (3), the heat absorbing plate (3) and the display screen (2) are provided with a heat conducting paste (4) therebetween, and the shell (1) is provided with an exhaust assembly (5) at a position corresponding to the heat absorbing plate (3); The exhaust assembly (5) comprises an exhaust pipe (501), the exhaust pipe (501) is provided with equidistantly arranged air outlets (502), the end of the exhaust pipe (501) is connected with a pipe joint (503), the pipe joint (503) is connected with an ion generator (505) through an air duct (504), the ion generator (505) is connected with a fan (506) through a pipeline, and the inlet of the fan (506) is connected with a filter adsorption assembly (6) through a pipeline. 2.The COB display panel of claim 1, wherein: The back side of the heat absorbing plate (3) is connected with uniformly distributed radiating fins (7), and air ducts (8) are formed between adjacent radiating fins (7). 3.The COB display panel of claim 1, wherein: The filter adsorption assembly (6) comprises a box body (601), the inner cavity of the box body (601) is provided with filter screens (602) at positions close to both ends, the filter screens (602) are provided with sponge blocks (603) on the sides close to each other, and the sponge blocks (603) are provided with adsorption fillers (604) therebetween. 4.The COB display panel of claim 3, wherein: The end of the box body (601) away from the fan (506) is provided with an air inlet (605). 5.The COB display panel of claim 3, wherein: The top and bottom of the box body (601) are provided with movable sealing plates (606), and the movable sealing plates (606) are connected with the box body (601) through bolts (607). 6.The COB display panel of claim 1, wherein: The side of the shell (1) away from the exhaust pipe (501) is provided with a through groove (9).

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