CN213718516U

CN213718516U - Heat dissipation device for LED display

Info

Publication number: CN213718516U
Application number: CN202022608354.8U
Authority: CN
Inventors: 方绪健; 闻晟钧
Original assignee: Hangzhou Radium Platinum Technology Co ltd
Current assignee: Hangzhou Radium Platinum Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-16
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a heat abstractor for LED display relates to the heat abstractor field, arranges and general large tracts of land LED display is difficult to the heat dissipation to current LED display use in the open air, and the easy deposition of heat abstractor simultaneously easily leads to the problem of heat abstractor's efficiency reduction, proposes following scheme now, and it includes main frame, the trailing flank fixedly connected with underframe of main frame, the leading flank of main frame is provided with the filter screen, fixed mounting has radiator fan in the main frame, the rear side inner wall fixed mounting of main frame has the radiator, fixed mounting has heat absorption foamy copper piece in the underframe, the opening has been seted up to the lower terminal surface of main frame, the preceding, the back both sides face of filter screen all is provided with the horizontal bar, preceding, back both sides the horizontal bar is close to the equal fixedly connected with cleaning brush in a side of each other. The device has the characteristics of high-efficiency heat dissipation, convenient cleaning of dust on the filter screen and effective guarantee of the heat dissipation efficiency of the device.

Description

Heat dissipation device for LED display

Technical Field

The utility model relates to a heat abstractor field especially relates to a heat abstractor for LED display.

Background

The LED display 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.

Just because its characteristic makes the LED display generally all set up in the open air, and generally be provided with a plurality of luminescence units in it more, this just makes it at the during operation, especially LED display at large tracts of land will produce great heat at the during operation, such heat is the heat dissipation that can not be timely, will cause great influence or burn out the electronic equipment in it to the performance of the electronic equipment in it, simultaneously because of being the setting in the open air mostly for current LED display, consequently also easy device is inside to deposit the ash, or the LED display that has set up radiator fan also can make the great reduction of radiating effect because of the deposition of the filter screen that sets up on it. A heat sink for LED displays is therefore proposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat abstractor for LED display has solved current LED display and has used in the open air to arrange and the LED display of general large tracts of land is difficult to the heat dissipation, and the easy deposition of heat abstractor simultaneously easily leads to the problem of heat abstractor's efficiency reduction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat abstractor for LED display, includes main frame, the trailing flank fixedly connected with underframe of main frame, the leading flank of main frame is provided with the filter screen, fixed mounting has radiator fan in the main frame, the rear side inner wall fixed mounting of main frame has the radiator, fixed mounting has the heat absorption foamy copper piece in the underframe, the opening has been seted up to the lower terminal surface of main frame, the preceding, back both sides face of filter screen all is provided with the horizontal bar, preceding, back both sides the equal fixedly connected with cleaning brush of a side that the horizontal bar is close to each other, preceding, back both sides the equal fixedly connected with connecting plate in the left and right both sides of horizontal bar, the slide has all been seted up to the left and right both sides of main frame leading flank, and the left and right are provided with the screw rod between the preceding, two of the interlude of screw rod lateral surface is fixed to be equipped with spacing platform, and left and right are with, The back both sides the equal fixedly connected with stopper of a side that the connecting plate is close to each other, the slide rail has all been seted up to preceding, the back both sides of main frame leading flank.

Preferably, each of the heat dissipation fans is disposed at a front side of the heat sink, and the heat sink is fixedly mounted on an inner wall of a rear side of the main frame by bolts.

Preferably, the rear side of the main frame and the bottom frame penetrate through the main frame, and the heat absorption copper foam block is fixedly mounted on the inner wall of the bottom frame and is in contact with the rear side of the radiator.

Preferably, the cleaning brushes on the front side and the rear side are respectively contacted with the front side and the rear side of the filter screen.

Preferably, the screw rods on the left side and the right side are all slidably arranged in respective slide ways on one side, the front ends and the rear ends of the screw rods are respectively sleeved on the connecting plate through threads, and the turning directions of the threads arranged on the front side surface and the rear side surface of the limiting table on the screw rods are opposite.

Preferably, each limiting block is arranged in a sliding rail on one side of the limiting block in a sliding mode, and the rear end face of the heat absorption copper foam block extends to the rear side of the bottom frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the main frame, the bottom frame, the filter screen, the cooling fan, the radiator, the heat absorption foam copper block, the opening, the cross bar, the connecting plate, the slide way, the screw rod, the limiting table, the limiting block and the slide rail, the device can be installed on a circuit board at the rear side of the LED display through the bottom frame, and the rear end face of the heat absorption foam copper block is located at the rear side of the bottom frame, so that the heat absorption foam copper block can be tightly attached to the circuit board on the LED display to absorb heat, the device can conveniently absorb heat generated on the LED display, heat absorbed on the heat absorption foam copper block is conducted on the radiator, and the cooling is carried out through the cooling fan;

2. can drive the horizontal strip of both sides from top to bottom removal around through the screw rod simultaneously when using for the cleaning brush that the horizontal strip of both sides is close to a side setting each other around and one side that the filter screen is close to each other cleans the filter screen, can also be close to or keep away from the horizontal strip of both sides around each other through the rotation of screw rod simultaneously, makes the cleaning brush of both sides around can have different laminating degree of compressing tightly with the filter screen of both sides around respectively, thereby reaches different clean degree.

The device has the characteristics of high-efficiency heat dissipation, convenient cleaning of dust on the filter screen and effective guarantee of the heat dissipation efficiency of the device.

Drawings

Fig. 1 is a cross-sectional view of the structure of a heat dissipation device for an LED display according to the present invention.

Fig. 2 is a cross-sectional view of a side view structure of a heat dissipation device for an LED display according to the present invention.

Fig. 3 is an enlarged view of a point a in fig. 1.

Reference numbers in the figures: the heat-absorbing device comprises a main frame 1, a bottom frame 2, a filter screen 3, a heat-radiating fan 4, a radiator 5, a heat-absorbing foam copper block 6, an opening 7, a cross bar 8, a connecting plate 9, a slideway 10, a screw rod 11, a limiting table 12, a limiting block 13 and a sliding rail 14.

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.

Referring to fig. 1-3, a heat dissipating device for an LED display comprises a main frame 1, a bottom frame 2 fixedly connected to the rear side of the main frame 1, a filter screen 3 disposed on the front side of the main frame 1, a heat dissipating fan 4 fixedly disposed in the main frame 1, a heat sink 5 fixedly disposed on the inner wall of the rear side of the main frame 1, a heat absorbing foam copper block 6 fixedly disposed in the bottom frame 2, an opening 7 disposed on the lower end of the main frame 1, cross bars 8 disposed on the front and rear sides of the filter screen 3, a cleaning brush fixedly connected to the side of the cross bars 8 adjacent to each other, connecting plates 9 fixedly connected to the left and right sides of the cross bars 8, slides 10 disposed on the left and right sides of the front side of the main frame 1, a screw 11 disposed between the front and rear connecting plates 9 on the left and right sides, a limit block 12 fixedly secured to the middle section of the outer side of the screw 11, the left side and the right side are respectively fixedly connected with a limiting block 13 at the side face close to the front side and the back side of the connecting plate 9 at the same side, and sliding rails 14 are respectively arranged at the front side and the back side of the front side face of the main frame 1.

In this embodiment, each heat dissipation fan 4 is disposed on the front side of the heat sink 5, the heat sink 5 is fixedly disposed on the inner wall of the rear side of the main frame 1 through a bolt, the rear side of the main frame 1 and the bottom frame 2 are disposed in a penetrating manner, the heat absorption copper foam block 6 is fixedly disposed on the inner wall of the bottom frame 2 and contacts with the rear side of the heat sink 5, the cleaning brushes on the front and rear sides respectively contact with the front and rear sides of the filter screen 3, the screws 11 on the left and right sides are slidably disposed in the slideways 10 on one side of the screw 11, the front and rear ends of the screws 11 are respectively threadedly sleeved on the connecting plate 9, the screwing directions of the threads disposed on the front and rear sides of the limit table 12 on the screws 11 are oppositely disposed, each limit block 13 is slidably disposed in the slide rail 14 on one side of the screw, and the rear end surface of the heat absorption copper foam block.

The working principle is as follows: when the heat absorption device is used, the bottom frame 2 can be installed on a circuit board at the rear side of the LED display, and the rear end face of the heat absorption copper foam block 6 is located at the rear side of the bottom frame 2, so that the heat absorption copper foam block 6 can be tightly attached to the circuit board on the LED display to absorb heat, the heat generated on the LED display can be conveniently absorbed by the heat absorption copper foam block 6, the heat absorbed by the heat absorption copper foam block is conducted on the radiator 5, and the cooling is carried out through the cooling fan 4; can pass through the slip setting of screw rod 11 in slide 10 simultaneously when using, the removal about the horizontal bar 8 of both sides around the drive, make the horizontal bar 8 of both sides around be close to the cleaning brush that a side set up and filter screen 3 one side that is close to each other all cleans to the front and back both sides face of filter screen 3, the horizontal bar 8 that can also be both sides around will being close to each other or keeping away from through the rotation of screw rod 11 simultaneously, make the cleaning brush of both sides around can have different laminating degree of compressing tightly with the filter screen of both sides around with respectively, thereby reach different clean degree, make the device can conveniently clean in order to keep can the radiating state of efficient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heat abstractor for LED display, includes main frame (1), the trailing flank fixedly connected with underframe (2) of main frame (1), the leading flank of main frame (1) is provided with filter screen (3), fixed mounting has radiator fan (4) in main frame (1), the rear side inner wall fixed mounting of main frame (1) has radiator (5), fixed mounting has heat absorption foam copper piece (6) in underframe (2), its characterized in that, opening (7) have been seted up to the lower terminal surface of main frame (1), preceding, back both sides face of filter screen (3) all is provided with horizontal bar (8), preceding, back both sides equal fixedly connected with cleaning brush in a side that horizontal bar (8) are close to each other, preceding, back both sides the equal fixedly connected with connecting plate (9) in left and right both sides of horizontal bar (8), the left side of main frame (1) leading flank, Slide (10) have all been seted up to the right side both sides, and left and right are two with preceding, back of one side be provided with screw rod (11) between connecting plate (9), the fixed cover of interlude of screw rod (11) lateral surface is equipped with spacing platform (12), and left and right are with preceding, back both sides of one side the equal fixedly connected with stopper (13) of a side that connecting plate (9) are close to each other, slide rail (14) have all been seted up to preceding, the back both sides of main frame (1) leading flank.

2. The heat dissipating device for the LED display according to claim 1, wherein each of the heat dissipating fans (4) is disposed at a front side of the heat sink (5) and the heat sink (5) is fixedly mounted at a rear inner wall of the main frame (1) by bolts.

3. The heat sink for LED display according to claim 1, wherein the back side of the main frame (1) is penetrated through the bottom frame (2), and the heat absorbing copper foam block (6) is fixedly mounted on the inner wall of the bottom frame (2) and contacts with the back side of the heat sink (5).

4. The heat dissipating device for an LED display according to claim 1, wherein the cleaning brushes at the front and rear sides are in contact with the front and rear sides of the filter screen (3), respectively.

5. The heat dissipation device for the LED display according to claim 1, wherein the screws (11) on the left side and the right side are slidably disposed in the slide ways (10) on one side of each screw (11), the front end and the rear end of each screw (11) are respectively screwed on the connection plate (9), and the screw threads disposed on the front side surface and the rear side surface of the limiting table (12) on each screw (11) are oppositely disposed.

6. The heat dissipation device for the LED display as claimed in claim 1, wherein each of the stoppers (13) is slidably disposed in a respective one of the side rails (14), and the rear end surface of the heat absorbing copper foam block (6) extends to the rear side of the bottom frame (2).