CN213183419U

CN213183419U - LED spliced screen heat dissipation device

Info

Publication number: CN213183419U
Application number: CN202022526905.6U
Authority: CN
Inventors: 陈勇; 袁向阳; 李盛齐
Original assignee: Wuhan New Perspective Optoelectronic Technology Co ltd
Current assignee: Wuhan New Perspective Optoelectronic Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-05-11
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a LED concatenation screen heat abstractor relates to LED concatenation screen field, including fixed frame, fixed frame's both sides are equipped with air intake and air outlet respectively, and the air intake is close to fixed frame's top, and the air outlet is close to fixed frame's bottom, and the air intake is equipped with the air inlet tubule, and the air inlet tubule tip of keeping away from the air intake is equipped with first connecting pipe, and inside the air inlet tubule runs through first connecting end and extends to first connecting pipe. Set up the circulating line at fixed frame's the back, provide endless power through the air pump, make the inside gas exchange circulation heat dissipation of fixed frame, the air pump is taken the inside steam of fixed frame out through the second connecting pipe, pass through the inside heat radiation fins of second connecting pipe again, make the steam heat dissipation form normal atmospheric temperature or partial cold air, the rethread first connecting pipe leads to the air inlet tubule, later get into inside the fixed frame, it circulates always, can guarantee constantly that the heat that the LED screen distributed out reaches the purpose of exchange.

Description

LED spliced screen heat dissipation device

Technical Field

The utility model relates to a LED concatenation screen technical field especially relates to LED concatenation screen heat abstractor.

Background

An LED display screen 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, etc. 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.

Among the prior art, to the heat dissipation mechanism of LED concatenation screen too complicated to radiating effect is not good, and when the air from the external world exchanges, the inside environment of fixed frame is influenced to the many magazines of outside air, influences the life of LED screen simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the LED concatenation screen heat abstractor who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: LED concatenation screen heat abstractor, including fixed frame, fixed frame's both sides are equipped with air intake and air outlet respectively, and the air intake is close to fixed frame's top, and the air outlet is close to fixed frame's bottom, the air intake is equipped with the air inlet tubule, and inside the air inlet tubule runs through the air intake and extends to the air intake, the air inlet tubule tip of keeping away from the air intake was equipped with first connecting pipe, and inside the air inlet tubule runs through first connecting end and extends to first connecting pipe.

Preferably, keep away from the first connecting pipe tip of air inlet tubule and be equipped with the air pump, and air pump and first connecting pipe flange joint, the extraction opening of air pump is equipped with the second connecting pipe and goes, and second connecting pipe and air pump flange joint keep away from the tip and the air outlet of the second connecting pipe of air pump are fixed, and second connecting pipe and air outlet intercommunication.

Preferably, the inside of the second connecting pipe is provided with heat dissipation fins, and the heat dissipation fins are fixed on the inner wall of the second connecting pipe.

Preferably, a servo motor is arranged inside the fixed frame, the servo motor is fixedly installed on the bottom surface inside the fixed frame, a driving wheel is arranged at the end part of an output shaft of the servo motor, and the driving wheel is fixedly connected with the output shaft of the servo motor.

Preferably, be equipped with directly over the action wheel from the driving wheel, the action wheel with from being equipped with the conveyer belt between the driving wheel, and the action wheel with pass through conveyer belt swing joint from the driving wheel, be equipped with the air discharge fan from driving wheel one side, and the air discharge fan is located the inside of air outlet, and the air discharge fan is fixed through the pivot from between the driving wheel.

Preferably, the surface of the fixed frame is provided with an LED screen, the LED screen is embedded in the fixed frame, and the LED screen is fixedly arranged on the surface of the fixed frame.

Preferably, the pipe diameters of the first connecting pipe and the second connecting pipe are equal, and the ratio of the pipe diameters of the first connecting pipe and the second connecting pipe to the pipe diameter of the air inlet tubule is 2: 1.

Advantageous effects

The utility model discloses in, set up circulating line at fixed frame's the back, and provide endless power through the air pump, make the inside gas of fixed frame exchange the circulation heat dissipation, the air pump is taken the inside steam of fixed frame through the second connecting pipe and is passed through the inside heat radiation fins of second connecting pipe, make the steam heat dissipation form normal atmospheric temperature or air cooling partially, the rethread first connecting pipe accesss to the air inlet tubule, later get into inside the fixed frame, it circulates always, the heat that can guarantee constantly that the LED screen distributes out reaches the purpose of exchange.

The utility model discloses in, go out at first connecting pipe and air intake and set up the air inlet tubule, gas pressure divide into static pressure and dynamic pressure, and gaseous total pressure is static pressure and dynamic pressure sum to keep unchangeable, from first connecting pipe to air inlet tubule, be equivalent to the air inlet route by thick to thin, but the gas flow of circulation is unchangeable, consequently accesss to the gas flow rate grow of tubule, and the static pressure can diminish, can increase the gaseous circulation rate of fixed frame inside.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side cross-sectional view of the present invention;

fig. 4 is a top cross-sectional view of the present invention;

fig. 5 is an enlarged view of a in fig. 4.

Illustration of the drawings:

1. a fixed frame; 2. an air inlet thin tube; 3. a first connecting pipe; 4. a second connecting pipe; 5. an air pump; 6. heat dissipation fins; 7. a servo motor; 8. a conveyor belt; 9. an exhaust fan; 10. an LED screen; 11. a driving wheel; 12. a driven wheel; 13. an air outlet; 14. and an air inlet.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-5, the LED spliced screen heat dissipation device includes a fixed frame 1, an air inlet 14 and an air outlet 13 are respectively disposed at two sides of the fixed frame 1, the air inlet 14 is close to the top of the fixed frame 1, the air outlet 13 is close to the bottom of the fixed frame 1, the air inlet 14 is provided with an air inlet tubule 2, the air inlet tubule 2 penetrates through the air inlet 14 and extends into the air inlet 14, the end of the air inlet tubule 2 far away from the air inlet 14 is provided with a first connecting pipe 3, the air inlet tubule 2 penetrates through the first connecting end and extends into the first connecting pipe 3, the pipe diameters of the first connecting pipe 3 and the second connecting pipe 4 are equal, the ratio of the pipe diameters of the first connecting pipe 3 and the second connecting pipe 4 to the pipe diameter of the air inlet tubule 2 is 2:1, the end of the first connecting pipe 3 far away from the air inlet tubule 2 is provided with an air pump, and the second connecting pipe 4 is connected with the air pump 5 by a flange, the end part of the second connecting pipe 4 far away from the air pump 5 is fixed with the air outlet 13, and the second connecting pipe 4 is communicated with the air outlet 13.

The second connecting pipe 4 is provided with a heat dissipating fin 6 inside, and the heat dissipating fin 6 is fixed on the inner wall of the second connecting pipe 4. After the heat is absorbed by the heat dissipation fins 6, the heat is dissipated in a convection mode, the heat dissipation area is mainly determined by the surface area of the heat dissipation fins 6 in the convection heat dissipation process, and the larger the surface area is, the better the heat dissipation effect is; the smaller the surface area, the poorer the heat dissipation effect. The number of the heat dissipation fins 6 and the length of the heat dissipation fins 6 are increased in a chamber with the heat dissipation strength changed, the heat dissipation effect is determined by the thickness-height ratio, the smaller the thickness-height ratio is, the denser the heat dissipation fins 6 in unit volume can be made, the larger the number is, the larger the effective heat dissipation surface area is, and the better the heat dissipation performance is.

Fixed frame 1 is inside to be equipped with servo motor 7, and servo motor 7 fixed mounting is in the inside bottom surface of fixed frame 1, servo motor 7's output shaft tip is equipped with action wheel 11, and action wheel 11 and servo motor 7's output shaft fixed connection, be equipped with directly over action wheel 11 from the driving wheel, action wheel 11 with from being equipped with conveyer belt 8 between the driving wheel, and action wheel 11 with pass through conveyer belt 8 swing joint from the driving wheel, be equipped with air discharge fan 9 from driving wheel one side, and air discharge fan 9 is located the inside of air outlet 13, and air discharge fan 9 with from fixed through the pivot between the driving wheel.

The surface of the fixed frame 1 is provided with an LED screen 10, the LED screen 10 is embedded in the fixed frame 1, and the LED screen 10 is fixedly arranged on the surface of the fixed frame 1.

The utility model discloses a theory of operation: set up the circulating line at the back of fixed frame 1, and provide endless power through air pump 5, make the inside gas of fixed frame 1 exchange circulation heat dissipation, air pump 5 is taken the inside heat dissipation fin 6 of second connecting pipe 4 out to the inside steam of fixed frame 1 through second connecting pipe 4, make the heat dissipation form normal atmospheric temperature or partial cold air, rethread first connecting pipe 3 accesss to air inlet tubule 2, it divide into static pressure and dynamic pressure to set up air inlet tubule 2 gas pressure at first connecting pipe 3 and air intake 14 play, gaseous total pressure is static pressure and dynamic pressure sum, and keep unchangeable, from first connecting pipe 3 to air inlet tubule 2, be equivalent to the air inlet route by thick to thin, but the gaseous flow of circulation does not change, consequently, the gaseous velocity of flow that leads to the tubule grow, the static pressure can diminish, can increase the circulation speed of the inside gas of fixed frame 1. Then, the LED screen enters the fixed frame 1 to circulate all the time, so that the purpose of exchanging heat emitted by the LED screen 10 can be constantly achieved, the heat dissipation speed of the inside of the fixed frame 1 and the heat dissipation speed of the LED screen 10 can be increased, the working environment of an LED is not influenced, and the service life is prolonged.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

LED concatenation screen heat abstractor, including fixed frame (1), its characterized in that: the both sides of fixed frame (1) are equipped with air intake (14) and air outlet (13) respectively, and air intake (14) are close to the top of fixed frame (1), and air outlet (13) are close to the bottom of fixed frame (1), air intake (14) are equipped with air inlet tubule (2), and air inlet tubule (2) run through air intake (14) and extend to air intake (14) inside, and the air inlet tubule (2) tip of keeping away from air intake (14) is equipped with first connecting pipe (3), and air inlet tubule (2) run through first connecting end portion and extend to first connecting pipe (3) inside.
2. The LED spliced screen heat dissipation device of claim 1, wherein: keep away from first connecting pipe (3) tip of air inlet tubule (2) and be equipped with air pump (5), and air pump (5) and first connecting pipe (3) flange joint, the extraction opening of air pump (5) is equipped with second connecting pipe (4) and goes, and second connecting pipe (4) and air pump (5) flange joint, keeps away from the tip and air outlet (13) of second connecting pipe (4) of air pump (5) are fixed, and second connecting pipe (4) and air outlet (13) intercommunication.
3. The LED spliced screen heat dissipation device of claim 2, wherein: and the second connecting pipe (4) is internally provided with radiating fins (6), and the radiating fins (6) are fixed on the inner wall of the second connecting pipe (4).
4. The LED spliced screen heat dissipation device of claim 1, wherein: the servo motor (7) is arranged inside the fixed frame (1), the servo motor (7) is fixedly installed on the bottom surface inside the fixed frame (1), a driving wheel (11) is arranged at the end part of an output shaft of the servo motor (7), and the driving wheel (11) is fixedly connected with the output shaft of the servo motor (7).
5. The LED spliced screen heat dissipation device of claim 4, wherein: be equipped with directly over action wheel (11) from the driving wheel, action wheel (11) and follow are equipped with conveyer belt (8) between the driving wheel, and action wheel (11) and follow the driving wheel and pass through conveyer belt (8) swing joint, be equipped with air discharge fan (9) from driving wheel one side, and air discharge fan (9) are located the inside of air outlet (13), and air discharge fan (9) and follow and fix through the pivot between the driving wheel.
6. The LED spliced screen heat dissipation device of claim 1, wherein: the LED screen is characterized in that an LED screen (10) is arranged on the surface of the fixed frame (1), the LED screen (10) is embedded in the fixed frame (1), and the LED screen (10) is fixedly installed on the surface of the fixed frame (1).
7. The LED spliced screen heat dissipation device of claim 1, wherein: the pipe diameters of the first connecting pipe (3) and the second connecting pipe (4) are equal, and the ratio of the pipe diameters of the first connecting pipe (3) and the second connecting pipe (4) to the pipe diameter of the air inlet thin pipe (2) is 2: 1.