CN217718355U

CN217718355U - High-efficient heat dissipation formula LCD

Info

Publication number: CN217718355U
Application number: CN202222151002.3U
Authority: CN
Inventors: 罗亮; 石元
Original assignee: Hengyang Panzheng Technology Co ltd
Current assignee: Hengyang Panzheng Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-01
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a high-efficiency heat dissipation type liquid crystal display, which comprises a frame and a rear cover; a frame: the front end of the inner part of the frame is provided with a liquid crystal screen, the bottom surface of the frame is provided with a controller, the input end of the controller is electrically connected with an external power supply, and the input end of the liquid crystal screen is electrically connected with the output end of the controller; a rear cover: set up in the trailing flank of frame, the inside of back lid is equipped with heat dissipation mechanism, the front end of heat dissipation mechanism pass the opening of frame trailing flank and with cooling plate fixed connection, the cooling plate is located the inside of frame, the impartial interval in the side of controlling of back lid is provided with the intake stack, the lower surface of back lid evenly is provided with the air-out groove that corresponds with heat dissipation mechanism, heat dissipation mechanism includes radiator, heat pipe and fan, this high-efficient heat dissipation formula LCD conveniently carries out high efficiency's cooling to interior component, but also can cool down to the air that gets into the back lid, makes the cooling effect of interior component better.

Description

High-efficient heat dissipation formula LCD

Technical Field

The utility model relates to a LCD technical field specifically is a high-efficient heat dissipation formula LCD.

Background

The liquid crystal display is an active matrix liquid crystal display driven by thin film transistor, it mainly uses current to stimulate liquid crystal molecule to produce point, line, surface and match with the back lamp tube to form the picture, the pixel of the liquid crystal display is formed by a lot of liquid crystal, the LCD is a display using liquid crystal as material, the liquid crystal is an organic compound between solid and liquid, under the condition of normal temperature, present the fluidity of the existing liquid, and the optical anisotropy of the crystal, the heating can become transparent liquid, after cooling can become the turbid solid of crystal, under the effect of electric field, the liquid crystal molecule will change in arrangement, thus influence the incident beam to penetrate through the liquid crystal and produce the change in intensity, the change of the light intensity, further show the change of light and shade through the effect of the polaroid, accordingly, the light and shade change can be realized through the control of the electric field of the liquid crystal, thus achieve the purpose of information display, when the liquid crystal display works for a long time, will cause the internal temperature to rise, even burn out the internal electronic element, but the existing liquid crystal display dispels the heat through the heat sink trough and fan directly dispels the heat, this kind of heat has proposed the poor effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a high-efficient heat dissipation formula LCD, conveniently carry out high efficiency's cooling to the inner member, but also can cool down to the air that gets into back lid (5), make the cooling effect of inner member better, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency heat dissipation type liquid crystal display comprises a frame and a rear cover;

a frame: the front end of the inner part of the frame is provided with a liquid crystal screen, the bottom surface of the frame is provided with a controller, the input end of the controller is electrically connected with an external power supply, and the input end of the liquid crystal screen is electrically connected with the output end of the controller;

a rear cover: set up in the trailing flank of frame, the inside of back lid is equipped with heat dissipation mechanism, the front end of heat dissipation mechanism pass the opening of frame trailing flank and with cooling plate fixed connection, the cooling plate is located the inside of frame, the impartial interval in side is provided with the intake stack about the back lid, the lower surface of back lid evenly is provided with the air-out groove that corresponds with heat dissipation mechanism, conveniently carry out high efficiency's cooling to the inner element, but also can cool down the air that gets into the back lid, make the cooling effect of inner element better.

Further, heat dissipation mechanism includes radiator, heat pipe and fan, radiator and fan all set up in the inside center department of back lid, and the radiator is located between two fans, and the bottom surface and the play wind groove position of radiator correspond, and the inside of radiator evenly is equipped with the heat pipe, and the preceding side end head of heat pipe passes the opening that the frame trailing flank corresponds and with cooling plate fixed connection, the input electric connection controller's of fan output, makes things convenient for the cooling of internal element high efficiency.

Furthermore, the upper end in the radiator is provided with a guide plate corresponding to the fan, so that air after heat exchange is conveniently discharged through the air outlet groove.

Further, inner wall all is equipped with the filter screen about the back lid, and the filter screen sets up with the intake stack cooperation of homonymy, can filter outside air.

Further, the inside bottom surface bilateral symmetry of back lid is provided with cold stick, all is equipped with the semiconductor refrigeration piece in the recess that back lid bottom surface bilateral symmetry set up, and the semiconductor refrigeration piece cold junction that the lower extreme and the homonymy of cold stick correspond contacts, and the output of semiconductor refrigeration piece's input electric connection controller can cool down the outside air.

Furthermore, the equal interval in lateral surface upper end of cold bar is provided with the heat conduction fin that corresponds with the intake stack, and outside air cooling is more even.

Further, the lower surface middle part of back lid is equipped with the air-out deckle board that corresponds with the air-out groove position, and the inside of air-out deckle board is the back taper setting, and the left and right sides symmetry of air-out deckle board is provided with the logical groove that corresponds with the semiconductor refrigeration piece, makes things convenient for the quick heat dissipation of semiconductor refrigeration piece.

Compared with the prior art, the beneficial effects of the utility model are that: the high-efficiency heat dissipation type liquid crystal display has the following advantages:

1. the work of controller control LCD screen, when the internal component generates heat, the heat passes through inside the cooling plate transmits to the heat pipe, make the inside refrigerating fluid of heat pipe intensification evaporation, and move to the rear end of heat pipe under the effect of the inside pressure differential of heat pipe, the heat of heat pipe rear end gives off to the outside through the radiator fast, thereby make the refrigerating fluid cooling of heat pipe rear end become liquid, then flow back to the front end of heat pipe through the imbibition core again, thereby carry out rapid cooling to the cooling plate, the work of controller control fan simultaneously, introduce the outside air through the intake stack and take away the heat that the radiator produced fast, under the guide effect of deflector, make the air after the heat transfer discharge through going out the air outlet, conveniently carry out high efficiency's cooling to the internal component.

2. The work of controller control semiconductor refrigeration piece when cooling, cool down to the cold stick, after outside air gets into the air inlet duct, the heat conduction fin of cold stick lateral surface can cool down the inside air of lid after getting into, thereby improve the effect of radiator cooling greatly, when hot-blast through the air-out framed panel discharge, because the inside of air-out framed panel is the back taper, when hot-blast opening through air-out framed panel lower extreme, because the opening diminishes, thereby make the velocity of flow increase of air, and then form the negative pressure with the inside edge of air-out framed panel, inhale the inside of air-out framed panel through leading to the groove with near air in semiconductor refrigeration piece hot junction, can accelerate the flow of semiconductor refrigeration piece hot junction air, guarantee the quick heat dissipation of fast semiconductor refrigeration piece.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the front side of the rear cover of the present invention;

FIG. 3 is a schematic side sectional view of the rear cover of the present invention;

fig. 4 is a schematic diagram of the internal structure of the rear cover of the present invention.

In the figure: the air conditioner comprises a frame 1, a heat dissipation mechanism 2, a heat radiator 21, a guide plate 211, a heat pipe 22, a fan 23, a liquid crystal screen 3, a controller 4, a rear cover 5, an air inlet groove 6, an air outlet groove 7, a cold rod 8, heat conduction fins 81, semiconductor refrigeration sheets 9, a filter screen 10, an air outlet frame plate 11, a through groove 12 and a cooling plate 13.

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. 1-4, the present embodiment provides a technical solution: a high-efficiency heat dissipation type liquid crystal display comprises a frame 1 and a rear cover 5;

frame 1: the front end of the inner part of the frame is provided with a liquid crystal screen 3, the bottom surface of the frame 1 is provided with a controller 4, the input end of the controller 4 is electrically connected with an external power supply, and the input end of the liquid crystal screen 3 is electrically connected with the output end of the controller 4, so that the normal operation of the circuit is ensured;

rear cover 5: the heat dissipation device is arranged on the rear side surface of the frame 1, the heat dissipation mechanism 2 is arranged inside the rear cover 5, the front end of the heat dissipation mechanism 2 penetrates through the through hole on the rear side surface of the frame 1 and is fixedly connected with the cooling plate 13, the cooling plate 13 is arranged inside the frame 1, the left side surface and the right side surface of the rear cover 5 are provided with air inlet slots 6 at equal intervals, the lower surface of the rear cover 5 is uniformly provided with air outlet slots 7 corresponding to the heat dissipation mechanism 2, the heat dissipation mechanism 2 comprises a heat radiator 21, heat pipes 22 and fans 23, the heat radiator 21 and the fans 23 are both arranged at the center of the inside of the rear cover 5, the heat radiator 21 is arranged between the two fans 23, the bottom surface of the heat radiator 21 corresponds to the air outlet slots 7, the heat pipes 22 are uniformly arranged inside the heat radiator 21, the front side end heads of the heat pipes 22 penetrate through the through hole corresponding to the rear side surface of the frame 1 and are fixedly connected with the cooling plate 13, and the input end of the fans 23 is electrically connected with the output end of the controller 4, the upper end of the inside of the radiator 21 is provided with a guide plate 211 corresponding to the fan 23, when the internal components generate heat, the heat is transferred to the inside of the heat pipe 22 through the cooling plate 13, so that the refrigerant liquid inside the heat pipe 22 is heated and evaporated, and moves to the rear end of the heat pipe 22 under the action of the pressure difference inside the heat pipe 22, the heat at the rear end of the heat pipe 22 is quickly dissipated to the outside through the radiator 21, so that the refrigerant liquid at the rear end of the heat pipe 22 is cooled into liquid, and then flows back to the front end of the heat pipe 22 through the liquid absorption core, so as to quickly cool the cooling plate 13, meanwhile, the controller 4 controls the fan 23 to work, introduces the external air through the air inlet groove 6 and quickly takes away the heat generated by the radiator 21, the air after heat exchange is discharged through the air outlet groove 7 under the guide action of the guide plate 211, so as to conveniently and quickly and efficiently dissipate the heat of the internal structure, the left and right inner walls of the rear cover 5 are provided with filter screens 10, the filter screen 10 is matched with the air inlet groove 6 on the same side, and can filter dust in the outside air.

Wherein: the cooling bar 8 is arranged on the bottom surface of the inner part of the rear cover 5 in a bilateral symmetry way, the semiconductor refrigerating sheets 9 are arranged in the grooves arranged on the bottom surface of the rear cover 5 in the bilateral symmetry way, the lower end of the cooling bar 8 is contacted with the cold ends of the semiconductor refrigerating sheets 9 corresponding to the same side, the input end of the semiconductor refrigerating sheet 9 is electrically connected with the output end of the controller 4, the heat conducting fins 81 corresponding to the air inlet groove 6 are arranged on the upper end of the outer side surface of the cooling bar 8 at equal intervals, when heat is dissipated, the controller 4 controls the semiconductor refrigerating sheets 9 to work to cool the cooling bar 8, when external air enters the air inlet groove 6, the heat conducting fins 81 on the outer side surface of the cooling bar 8 can cool the air entering the inner part of the rear cover 5, thereby greatly improving the cooling effect of the radiator 21 and leading the inner heat dissipation effect to be better, when hot-blast through air-out framed panel 11 discharges, the lower surface middle part of back lid 5 is equipped with the air-out framed panel 11 that corresponds with air-out groove 7 position, the inside of air-out framed panel 11 is the back taper setting, the bilateral symmetry of air-out framed panel 11 is provided with logical groove 12 that corresponds with semiconductor refrigeration piece 9, because the inside of air-out framed panel 11 is the back taper, when hot-blast opening through air-out framed panel 11 lower extreme, because the opening diminishes, thereby make the velocity of flow increase of air, and then form the negative pressure with the inside edge of air-out framed panel 11, inhale the inside of air-out framed panel 11 through logical groove 12 with near the air in semiconductor refrigeration piece 9 hot junction, can accelerate the flow of semiconductor refrigeration piece 9 hot junction air, guarantee the quick heat dissipation of fast semiconductor piece 9.

The utility model provides a pair of high-efficient heat dissipation formula LCD's theory of operation as follows: the rear cover 5 is installed at the rear end of the frame 1, so that the cooling plate 13 is located inside the frame 1 and contacts with a heating element inside the frame 1, the controller 4 controls the liquid crystal screen 3 to work, when the internal element generates heat, heat is transferred to the inside of the heat pipe 22 through the cooling plate 13, so that refrigerant liquid inside the heat pipe 22 is heated and evaporated, and moves to the rear end of the heat pipe 22 under the action of pressure difference inside the heat pipe 22, the heat at the rear end of the heat pipe 22 is quickly dissipated to the outside through the radiator 21, so that the refrigerant liquid at the rear end of the heat pipe 22 is cooled into liquid, then the liquid absorption core flows back to the front end of the heat pipe 22 through the liquid absorption core, so that the cooling plate 13 is quickly cooled, meanwhile, the controller 4 controls the fan 23 to work, external air is introduced through the air inlet groove 6 and the heat generated by the radiator 21 is quickly taken away, under the guiding action of the guide plate 211, make the air after the heat transfer discharge through air-out groove 7, simultaneous control ware 4 controls the work of semiconductor refrigeration piece 9, lower the temperature to cold stick 8, after outside air gets into air inlet tank 6, heat conduction fin 81 of cold stick 8 lateral surface can lower the temperature to the inside air of lid 5 after getting into, thereby improve the effect of radiator 21 cooling greatly, when hot-blast through air-out deckle 11 discharges, because the inside of air-out deckle 11 is the back taper, when hot-blast opening through air-out deckle 11 lower extreme, because the opening diminishes, thereby make the velocity of flow increase of air, and then form the negative pressure with the inside edge of air-out deckle 11, inhale the inside of air-out deckle 11 through leading-to groove 12 with the near air in semiconductor refrigeration piece 9 hot junction, can accelerate the flow of the air in semiconductor refrigeration piece 9 hot junction, guarantee the quick heat dissipation of fast semiconductor refrigeration piece 9.

It is worth noting that the fan 23 and the semiconductor refrigerating sheet 9 disclosed in the above embodiments can be freely configured according to actual application scenarios, the fan 23 is suggested to be a fan with the model of SX3015HB5, the semiconductor refrigerating sheet 9 is suggested to be a semiconductor refrigerating sheet with the model of TEC1-12703, the core chip inside the controller 4 is suggested to be an AT 90-series single chip microcomputer, and the controller 4 controls the fan 23 and the semiconductor refrigerating sheet 9 to work by using common methods in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A high-efficiency heat dissipation type liquid crystal display is characterized in that: comprises a frame (1) and a rear cover (5);

frame (1): the front end of the interior of the frame is provided with a liquid crystal screen (3), the bottom surface of the frame (1) is provided with a controller (4), the input end of the controller (4) is electrically connected with an external power supply, and the input end of the liquid crystal screen (3) is electrically connected with the output end of the controller (4);

rear cover (5): set up in the trailing flank of frame (1), the inside of back lid (5) is equipped with heat dissipation mechanism (2), the front end of heat dissipation mechanism (2) pass the opening of frame (1) trailing flank and with cooling plate (13) fixed connection, cooling plate (13) are located the inside of frame (1), the side is impartial to the left and right sides of back lid (5) is provided with intake stack (6), the lower surface of back lid (5) evenly is provided with air-out groove (7) that correspond with heat dissipation mechanism (2).

2. The high efficiency heat dissipating type lcd of claim 1, wherein: heat dissipation mechanism (2) are including radiator (21), heat pipe (22) and fan (23), radiator (21) and fan (23) all set up in the inside center department of back lid (5), and radiator (21) are located between two fan (23), and the bottom surface and the play wind groove (7) position of radiator (21) correspond, and the inside of radiator (21) evenly is equipped with heat pipe (22), and the preceding side end head of heat pipe (22) passes the opening that frame (1) trailing flank corresponds and with cooling plate (13) fixed connection, the output of input electric connection controller (4) of fan (23).

3. The high efficiency heat dissipating liquid crystal display according to claim 2, wherein: the upper end of the interior of the radiator (21) is provided with a guide plate (211) corresponding to the fan (23).

4. The high efficiency heat dissipating liquid crystal display according to claim 1, wherein: inner wall all is equipped with filter screen (10) about back lid (5), and filter screen (10) and air inlet duct (6) cooperation setting of homonymy.

5. The high efficiency heat dissipating liquid crystal display according to claim 1, wherein: the inside bottom surface bilateral symmetry of back lid (5) is provided with cold stick (8), all is equipped with semiconductor refrigeration piece (9) in the recess that back lid (5) bottom surface bilateral symmetry set up, and the lower extreme of cold stick (8) and semiconductor refrigeration piece (9) cold junction contact that the homonymy corresponds, the output of input electric connection controller (4) of semiconductor refrigeration piece (9).

6. The high efficiency heat dissipating liquid crystal display according to claim 5, wherein: and heat-conducting fins (81) corresponding to the air inlet grooves (6) are arranged at equal intervals at the upper end of the outer side surface of the cold rod (8).

7. The high efficiency heat dissipating liquid crystal display according to claim 5, wherein: the lower surface middle part of back lid (5) is equipped with air-out framed panel (11) that correspond with air-out groove (7) position, and the inside of air-out framed panel (11) is the back taper setting, and the bilateral symmetry of air-out framed panel (11) is provided with logical groove (12) that correspond with semiconductor refrigeration piece (9).