KR100969937B1 - Digital display board having a fast cooling module for lcd and led pannel - Google Patents

Abstract

PURPOSE: A digital electronic display is provided to prepare the down phenomenon of a display panel due to panel overheat. CONSTITUTION: A body(10) prepares an air injection hole(12,12') in the lower end of a front face and a back face and an air outlet(13,13') where a cut-off part(13a,13a') is formed in the upper end and the middle of the back face. An interception piece restricts the movement route of the air. A cooling module(30) is located in the LCD inside a body and the right-under part of an LED panel(20). A cooling module prepares a blowing fan(35,35') interlinking a rotating blade on a rotary axis along the width of a fixed plate in a horizontal direction.

Description

Digital display board with LCD and LED panel cooling module {digital display board having a fast cooling module for lcd and led pannel}

The present invention relates to a digital display board having an LCD and an LED panel cooling module, and more particularly, to the LCD and LED panel overheating by allowing the cooling module to prevent excessive temperature rise of the LCD and the LED panel during the operation of the display board. The present invention relates to a digital display board having an LCD and an LED panel cooling module to prevent a down phenomenon of the display board.

Various sales offices and public offices use electronic displays as a means of publicity and guidance.

Such display boards display characters and images so that visitors can be promoted and guided. Conventional display boards display letters and images by turning on light bulbs and light emitting diodes. There was a problem that followed.

In order to solve the problems of the existing electronic display boards, that is, light bulbs and light emitting diodes to display characters and images, a digital electronic display panel has been recently proposed to express characters and images using LCDs and LED panels.

Digital display boards that display characters and images with LCD and LED panels enable detailed display of characters and complex images by the characteristics of LCD and LED panels, which not only enhances the promotion and guidance effects, but also makes the display panels themselves thin. Since the installation place is relatively unrestricted, its use is rapidly spreading.

However, the existing digital display board using the LCD and the LED panel has the advantages as described above, while the LCD and the LED panel generate a lot of heat during operation, causing frequent device down due to overheating. There was a problem that was difficult to use.

For this reason, various offices and government offices require digital display boards using LCDs and LED panels to prevent down events due to overheating. However, digital display boards using LCDs and LED panels to date still do not satisfy users' needs. There is a situation.

The present invention has been made in view of the above situation, by preventing the excessive temperature rise of the LCD and LED panel during the operation of the display panel through the cooling module to prevent the down phenomenon of the display board due to the LCD and LED panel overheating. It is an object of the present invention to provide a digital display board having an LCD and an LED panel cooling module.

Digital display board having an LCD and LED panel cooling module according to the present invention for achieving the above object,

A body provided with a display window at a central upper portion of the front surface, an air inlet at the bottom of the front and rear surfaces, and an air outlet having a blocking piece for restricting a movement path of air at the top and middle of the rear surface;

An LCD and an LED panel fixedly installed at a rear of the display window of the body to display an input video signal as an image;

Located directly below the LCD and the LED panel inside the body, the fixing plate is formed with a continuous rectangular through hole at regular intervals up, down, left, and right, a thermoelectric element is provided in each through hole of the fixed plate, A heat sink is provided on the front of the thermoelectric element, and a cover having upper and lower openings is provided on the front and rear sides of the fixing plate, and rotating blades on the rotating shaft are disposed along the width of the fixing plate at the bottom between the fixing plate and the front cover and between the fixing plate and the rear cover. It characterized in that consisting of; cooling module provided with a blowing fan extending in the direction.

In the digital display board including the LCD and the LED panel cooling module according to the present invention, the forced air from the front blower fan provided in the cooling module is cooled by the thermoelectric element to be continuously applied to the LCD and the LED panel as well as to the cooling module. Forced blowing from the rear blower fan allows the heat discharged to the rear of the thermoelectric element to be immediately discharged to the outside of the body before it reaches the LCD and LED panel, preventing excessive temperature rise of the LCD and LED panel. It will be able to prevent the down phenomenon of the display board due to the LCD and LED panel overheating.

Hereinafter, with reference to the accompanying drawings in more detail as follows.

1 is a cross-sectional view for explaining the structure of a digital display board having an LED and LED panel cooling module according to the present invention, Figure 2 is a perspective view showing the appearance of a digital display board having an LCD and LED panel cooling module according to the present invention. 3 is an exploded perspective view illustrating a structure of a cooling module in a digital display board having an LCD and an LED panel cooling module according to the present invention, and FIG. 4 is a digital display having an LED and LED panel cooling module according to the present invention. Partial cross-sectional view for explaining the structure of the cooling module in the display board.

As shown in FIGS. 1 and 2, the digital display board A including the LCD and the LED panel cooling module according to the present invention includes a body 10, an LCD and an LED panel 20, and a cooling module 30. Is done.

The body 10 is provided with a display window 11 at the upper center of the front, the air inlet 12, 12 'is provided at the bottom of the front and rear, and restricts the movement path of the air at the top and middle of the back Air outlets 13 and 13 'provided with blocking pieces 13a and 13a' are provided.

The blocking piece 13a of the air outlet 13 provided at the top of the rear surface of the body 10 is an air outlet port so as to block the air from the upper end of the inner body 10 to be lower than the inner upper end of the body 10. 13) It is continuous throughout the width of the lower body 10, the blocking piece (13a ') of the air outlet (13') provided in the middle of the back is the air in the middle of the inner body 10, the middle of the body 10 It is continuous over the entire width of the body 10 at the top of the air outlet 13 ′ to block the transmission of more than a portion.

The LCD and LED panel 20 is fixed to the rear of the display window 11 of the body 10 and expresses an input video signal as an image.

Since the LCD and the LED panel 20 use anything conventional, a detailed description of the structure and the operating principle will be omitted.

The cooling module 30 is located directly below the LCD and the LED panel 30 in the body 10, as shown in Figure 3, the rectangular through-hole continuous at regular intervals up, down, left, right A fixing plate 31 having a 31a formed therein is provided, a thermoelectric element 32 is provided in each through hole 31a of the fixing plate 31, and a heat sink 33 is provided on the front surface of each thermoelectric element 32. (31) Covers 34 and 34 'having upper and lower openings are provided on the front and rear sides, and the lower end between the fixing plate 31 and the front cover 34 and between the fixing plate 31 and the rear cover 34'. The blowing blades 35b on the rotating shaft 35a are provided with blowing fans 35 and 35 'in the horizontal direction along the width of the fixing plate 31.

In the cooling module 30, the fixing plate 31 is formed by attaching a cover plate 31 ″ made of an insulating material to the front surface of the base plate 31 ′ made of metal, and the thermoelectric element 32 and the cover 34 and 34 ′. ) Is coupled to the fixing plate 31 by screwing.

On the other hand, since the thermoelectric element 32 in the cooling module 30 uses a conventional one, a detailed description of the structure and operation principle is omitted.

The overheat prevention of the LCD and the LED panel 20 through the cooling module 30 in the digital display board A having the LCD and the LED panel cooling module according to the present invention will be described in detail as follows.

Digital display board (A) having the LCD and LED panel cooling module according to the present invention is provided with an air inlet 12 in the lower front of the body 10, as shown in Figure 4 is provided in the cooling module 30 External air is introduced by the front blower fan 35 to blow air toward the front of the cooling module 30.

At this time, the blowing air from the front blower fan 35 is delivered to the upper side through the front cover 34 of the fixing plate 31, the front of the fixing plate 31, the thermoelectric element 32 so that the front surface in contact with the heat sink 33 ) Is listed, the blowing air from the front blower fan 35 is significantly lower than the initial temperature introduced into the body 10 from the outside by the operation of the thermoelectric element 32 and the LED and LED panel (20) Since it is transmitted to the) it is possible to cool the LCD and the LED panel 20 by the low-temperature blowing.

In the cooling process of the LCD and the LED panel 20 through the low-temperature blowing as described above, the low-temperature blown cooling the LCD and the LED panel 20 continues to rise after passing through the LCD and the LED panel 20, thereby increasing the inner upper end of the body 10. In the LCD and the LED panel 20 is passed to the rear through the air outlet 13 provided on the top of the body 10 is discharged to the outside of the body (10).

At this time, the air outlet 13 provided at the top of the body 10 is provided with a blocking piece 13a, so that air from the upper end of the inner body 10 can be prevented from being transmitted below the inner upper end of the body 10. Since the air at the upper end of the inner body 10 is transmitted to the lower upper end of the inner body 10 to prevent the LCD and the LED panel 20 from being heated again, the LCD and the LED panel 20 cooled by the low temperature blowing are It is possible to maintain a cooled state.

On the other hand, since the high heat is released from the cooling module 30 through the through hole 31a of the fixing plate 31 to the rear of the thermoelectric element 32, the heat emitted from the rear of the thermoelectric element 32 to the LCD and LED panel 20 In the case of the electrolyte, the LCD and the LED panel 20 may be heated.

However, the digital display board A having the LCD and the LED panel cooling module according to the present invention is provided with an air inlet 12 'at the bottom of the rear surface of the body 10, and a rear blower fan 35' of the cooling module 30 is provided. As shown in FIG. 4, the outside air flows into the upper portion of the rear surface of the cooling module 30, and passes through the inside of the rear cover 34 ′ of the fixing plate 31. Since the heat discharged to the rear of the thermoelectric element 32 is discharged in the process of being discharged to the provided air outlet 13 ′, the heating of the LCD and the LED panel 20 due to the heat emitted from the rear of the thermoelectric element 32 can be prevented. Will be.

At this time, the air outlet (13 ') provided in the middle portion of the rear surface of the body 10 is provided with a blocking piece (13a'), the air that is transmitted to the middle of the inner portion of the body 10 or more in the middle of the body (10) Since it is possible to block the air in the middle portion of the inside of the body 10 is transmitted to the middle portion or more inside the body 10 to prevent the LCD and the LED panel 20 from being heated.

Since the present invention as described above is not limited to the above-described embodiments, it can be changed within the scope not departing from the gist of the present invention claimed in the claims, such changes are within the claims described.

1 is a cross-sectional view illustrating the structure of a digital display board having an LCD and an LED panel cooling module according to the present invention.

Figure 2 is a perspective view showing the appearance of a digital display board having an LCD and LED panel cooling module according to the present invention

Figure 3 is an exploded perspective view for explaining the structure of the cooling module in the digital display board having the LCD and LED panel cooling module according to the present invention

4 is a partial cross-sectional view illustrating a structure of a cooling module in a digital display board having an LCD and an LED panel cooling module according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10 body 11 display window

12, 12 ': air inlet 13, 13': air outlet

13a, 13a ': Block 20: LCD and LED panel

30: cooling module 31: fixed plate

31 ': Basic Edition 31': Plate

31a: through hole 32: thermoelectric element

33: heat sink 34, 34 ': cover

35, 35 ': blower fan 35a: rotating shaft

35b: Rotating blade A: Digital display board

Claims (4)

 A body provided with a display window at a central upper portion of the front surface, an air inlet at the bottom of the front and rear surfaces, and an air outlet having a blocking piece for restricting a movement path of air at the top and middle of the rear surface; An LCD and an LED panel fixedly installed at a rear of the display window of the body to display an input video signal as an image; Located directly below the LCD and the LED panel inside the body, the fixing plate is formed with a continuous rectangular through hole at regular intervals up, down, left, and right, the thermoelectric element is provided in each through hole of the fixed plate, A heat sink is provided on the front of the thermoelectric element, and a cover having upper and lower openings is provided on the front and rear sides of the fixing plate, and rotating blades on the rotating shaft are disposed along the width of the fixing plate at the bottom between the fixing plate and the front cover and between the fixing plate and the rear cover. Cooling module provided with a blowing fan extending in the direction; Digital display board having an LCD and LED panel cooling module comprising a. The method of claim 1, The blocking piece formed at the air outlet of the body may block the air from the upper end of the body to be transmitted below the upper end of the body, or the air from the lower end or the upper end of the air outlet so that the air from the middle of the body may not be transmitted to the middle of the body. Digital display board having LCD and LED panel cooling module characterized in that the continuous throughout the body width of the. The method of claim 1, The fixing plate of the cooling module is a digital display board having an LCD and LED panel cooling module, characterized in that the plate made of an insulating material is attached to the front of the base plate made of metal. The method of claim 1, Blowing from the blower fan of the cooling module is a digital display board having an LCD and LED panel cooling module characterized in that it is transmitted to the upper portion between the fixing plate and the cover.

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