CN210868544U

CN210868544U - Heat dissipation device based on LED screen

Info

Publication number: CN210868544U
Application number: CN201921566600.9U
Authority: CN
Inventors: 王斌
Original assignee: Zhejiang Huabo Culture Technology Co ltd
Current assignee: Zhejiang Huabo Culture Technology Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-26
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a heat abstractor based on LED screen relates to LED display screen technical field, including LED display screen main part and installation casing, LED display screen main part joint is in one side of installation casing, and one side that LED display screen main part was kept away from to the installation casing is equipped with the motor, and the output of motor is connected with even axle, and the connecting axle runs through the installation casing and is connected with a transmission piece, is equipped with the connecting plate in the installation casing, is equipped with two connecting axles between connecting plate and the installation casing. The utility model has the advantages that: the motor is started, the connecting shaft drives the first transmission piece to rotate, the first transmission piece can drive the second transmission pieces on two sides to synchronously rotate, the two second transmission pieces are in intermittent contact with the rack, the rack can ascend when being meshed with one of the residual gears, the rack can descend when being meshed with the other residual gear, the ascending and descending reciprocating motion is achieved, the cooling fan can continuously move upwards or downwards, and the cooling area can be enlarged.

Description

Heat dissipation device based on LED screen

Technical Field

The utility model relates to a LED display screen technical field specifically is a heat abstractor based on LED screen.

Background

The LED display screen is a flat panel display, is composed of small LED module panels, and is used for displaying various information such as characters, images, videos, video signals and the like. An LED is a display mode by controlling a semiconductor light emitting diode. And semiconductor emitting diode can produce a large amount of heats at the in-process of work, consequently, generally all can be equipped with radiator fan and fin and dispel the heat to the inside heating element of LED display screen, but some indoor LED display screens's radiating effect is relatively poor at present, because radiator fan installs comparatively fixedly for radiator fan's heat radiating area has the limitation, can not evenly dispel the heat.

In a heat dissipation device for an indoor LED display screen with the publication number of CN208886725U, which comprises an LED display screen main body, an installation shell, a heat dissipation sheet, a heat dissipation fan, a slide rod, a lifting frame, a first limit seat, a second limit seat, a reset spring, a slide hole, a guide slide hole, a fixed pulley, a fixed pile, a transmission rope, a stepping motor, a guide hole, a guide slide rod, a heat dissipation port, a rotating shaft, a wire winding disc and a pin shaft, wherein the wire winding disc is driven to rotate by the stepping motor, then the transmission rope is wound up in the rotation process of the wire winding disc, the transmission rope drives the pin shaft, the lifting frame and the heat dissipation fan to integrally move downwards after being driven by the fixed pulley, the lifting frame downwards extrudes the reset spring, the lifting frame backwards rotates to a certain degree through the output shaft of the stepping motor, finally the transmission rope is wound off, then the reset spring resets, under the elastic, reset spring promotes crane and radiator fan rebound again, and radiator fan can be continuous upwards or move down to can enlarge heat radiating area, can carry out even heat dissipation cooling to the fin, simultaneously the utility model provides a new technical scheme solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a heat dissipation device based on an LED screen for solving the above-mentioned problems.

The utility model realizes the above purpose by the following technical proposal, a heat dissipation device based on an LED screen comprises an LED display screen main body and an installation shell, wherein the LED display screen main body is clamped at one side of the installation shell, which is far away from the LED display screen main body, is provided with a motor, the output end of the motor is connected with a connecting shaft, the connecting shaft penetrates through the installation shell and is connected with a first transmission piece, a connecting plate is arranged in the installation shell, two connecting shafts are arranged between the connecting plate and the installation shell, the two connecting shafts are respectively arranged at two sides of the first transmission piece, a second transmission piece is fixedly connected on the two connecting shafts, a residual gear is fixedly connected on the connecting shafts, two sides of the first transmission piece are respectively in transmission connection with the two second transmission pieces, the angles of the two residual gears are consistent, a chute is arranged on, the sliding device is characterized in that a sliding rod is connected in the sliding groove in a sliding mode, one end of the sliding rod is connected with a rack, the other end of the sliding rod is connected with a cooling fan, and the rack is in transmission connection with a residual gear.

By adopting the technical scheme, the motor is started through the matching of the motor, the connecting shaft, the first transmission piece and the second transmission piece, the first transmission piece is driven to rotate through the connecting shaft, the first transmission piece can drive the second transmission pieces on two sides to synchronously rotate, and through the matching of the second transmission piece, the connecting shaft, the residual gear and the rack, the two second transmission pieces are intermittently contacted with the rack, so that the rack can ascend when being meshed with one residual gear and descend when being meshed with the other residual gear, the ascending and descending reciprocating motion is realized, and through the matching of the connecting plate, the sliding chute, the sliding rod and the cooling fan, the rack can synchronously drive the ascending or descending of the cooling fan through the sliding rod when ascending or descending, the cooling fan can continuously move upwards or downwards, thereby expanding the cooling area and uniformly cooling the cooling fins, and the forward and reverse rotation of the motor does not need to be controlled, so that the use mode of the equipment is simplified.

The utility model discloses further set up to: the first transmission piece and the second transmission piece are both any one of gears or friction wheels.

Through adopting above-mentioned technical scheme, when first driving medium and second driving medium are the gear, perhaps when first driving medium and second driving medium are the friction pulley, can both play synchronous operation's effect, selectivity when having increased the spare part equipment.

The utility model discloses further set up to: the first transmission piece and the second transmission piece are the same in size, and the number of teeth of the two residual gears is the same.

Through adopting above-mentioned technical scheme, first driving medium and second driving medium size are the same for the slew velocity that drives two residual gears is the same, and two residual gear tooth numbers are the same, make the rack rise with the distance that descends the same.

The utility model discloses further set up to: the upper side and the lower side of the mounting shell are both provided with heat dissipation grooves, a filter screen is arranged in each heat dissipation groove above the mounting shell, a blocking piece is arranged in each heat dissipation groove below the mounting shell, and each blocking piece is used for opening or blocking the heat dissipation groove below the mounting shell.

Through adopting above-mentioned technical scheme, set up the radiating groove, the inside heat dissipation of easy to assemble casing sets up the filter screen, prevents that outside dust from getting into wherein from the radiating groove of top, sets up to block, need open when the heat dissipation and block, helps installing the inside heat dissipation of casing, closes when not dispelling the heat and blocks, prevents that outside dust from getting into wherein from the radiating groove of below.

The utility model discloses further set up to: the stop piece includes pivot and returning face plate, the pivot rotates the lateral wall of connection at the radiating groove, the pivot runs through the both sides of returning face plate and rather than fixed connection, and the returning face plate is used for sheltering from the radiating groove.

Through adopting above-mentioned technical scheme, through the cooperation of pivot and returning face plate for the pivot drives returning face plate synchronous revolution in the radiating groove internal rotation, conveniently shelters from or opens the radiating groove of bottom.

The utility model discloses further set up to: the piece that blocks includes folded sheet and connecting rod, the slide rail has been seted up to the both sides wall of radiating groove, the connecting rod is fixed in one side of folded sheet, and the connecting rod card is gone into in the slide rail, the one side that the connecting rod was kept away from to the folded sheet bonds with the radiating groove lateral wall.

Through adopting above-mentioned technical scheme, through the cooperation of folded sheet, connecting rod and slide rail, the connecting rod embedding of folded sheet both sides is in the slide rail, conveniently shelters from or opens the radiating groove of bottom through the pulling folded sheet.

The utility model discloses further set up to: and a housing for protecting the motor is arranged on one side of the mounting shell.

Through adopting above-mentioned technical scheme, set up the housing for the inside motor of protection does not receive the influence of factors such as external collision.

The utility model discloses further set up to: and a plurality of radiating fins are arranged on one side of the LED display screen main body close to the mounting shell.

Through adopting above-mentioned technical scheme, set up the fin, help in the quick conduction of the heat of LED display screen main part to the installation casing.

To sum up, the utility model discloses following beneficial effect has: through the cooperation of the motor, the connecting shaft, the first transmission part and the second transmission part, the motor is started, the first transmission part is driven to rotate through the connecting shaft, the first transmission part can drive the second transmission parts on two sides to synchronously rotate, through the cooperation of the second transmission part, the connecting shaft, the residual gear and the rack, the two second transmission parts are intermittently contacted with the rack, so that the rack can ascend when being meshed with one residual gear, the rack can descend when being meshed with the other residual gear, the ascending and descending reciprocating motion is realized, through the cooperation of the connecting plate, the sliding chute, the sliding rod and the cooling fan, the rack can synchronously drive the ascending or descending of the cooling fan through the sliding rod when ascending or descending, the cooling fan can continuously move upwards or downwards, the cooling area can be enlarged, the uniform heat dissipation and cooling can be carried out on the cooling fin, and the forward and reverse rotation of the motor are not required to be, the use mode of the device is simplified.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a heat dissipation device based on an LED screen according to the present invention;

fig. 2 is a schematic structural view of a second embodiment of the heat dissipation device based on the LED screen according to the present invention;

fig. 3 is the utility model relates to a rack, residual gear, first driving medium, second driving medium, motor and connecting rod's schematic structure view among heat abstractor based on LED screen.

Reference numerals: 1. an LED display screen main body; 2. installing a shell; 3. a motor; 4. a connecting shaft; 5. a first transmission member; 6. a connecting plate; 7. a connecting shaft; 8. a second transmission member; 9. a chute; 10. a slide bar; 11. a residual gear; 12. a rack; 13. a heat sink; 14. a filter screen; 15. a blocking member; 16. a rotating shaft; 17. a turnover plate; 18. folding the board; 19. a connecting rod; 20. a slide rail; 21. a housing; 22. a heat sink; 23. a heat dissipation fan.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The first embodiment is as follows: referring to fig. 1 and 3, a heat dissipation device based on an LED screen is cut off at one side of a mounting housing 2, a housing 21 is adhered to the outside of the mounting housing 2, a motor 3 is mounted in the housing 21, an output end of the motor 3 is welded with a connecting shaft 4, the connecting shaft 4 penetrates through the mounting housing 2 and is welded with a first transmission member 5, a connecting plate 6 is adhered to the inside of the mounting housing 2, a chute 9 is milled at the middle position of the connecting plate 6, two connecting shafts 7 are rotatably connected between the connecting plate 6 and the mounting housing 2, the connecting shafts 7 are positioned at two sides of the connecting shaft 4, a second transmission member 8 and a residual gear 11 are fixedly clamped on the connecting shaft 7, the second transmission member 8 and the first transmission member 5 are in transmission connection, the first transmission member 5 and the second transmission member 8 are gears or the first transmission member 5 and the second transmission member 8 are friction wheels, a slide rod 10 is clamped in the chute 9 of the connecting plate 6, and one side of the slide bar 10 is bonded with a rack 12, the other side is bonded with a cooling fan 23, the rack 12 is in intermittent transmission connection with two residual gears 11, heat dissipation grooves 13 are milled on the upper side and the lower side of the mounting shell 2, a filter screen 14 is mounted in the heat dissipation groove 13 on the upper side, a rotating shaft 16 penetrates through the turnover plate 17 and is fixedly bonded with the turnover plate, two ends of the rotating shaft 16 are embedded in the heat dissipation groove 13 on the lower side, the rotating shaft 16 is rotatably connected in the heat dissipation grooves 13, finally, the LED display screen main body 1 is bonded on the empty side of the mounting shell 2, and a plurality of cooling fins 22 are bonded on the inner side of the LED.

During the use, at first, the returning face plate 17 of rotation bottom for the returning face plate 17 is vertical form, then the starter motor 3, drive first transmission piece 5 through connecting axle 4 and rotate, first transmission piece 5 can drive the second driving medium 8 of its both sides and rotate, drive the rotation of residual gear 11 through connecting axle 7, two residual gear 11 initial angles are unanimous, when making one of them residual gear 11 and rack 12 mesh, another residual gear 11 staggers with rack 12, and two residual gear 11 intermittent type drive rack 12 transmissions, make rack 12 do up-and-down reciprocating motion, and drive slide bar 10 and reciprocate in spout 9, make radiator fan 23 up-and-down reciprocating motion, cool down LED display screen main part 1.

Example two: referring to fig. 2 and 3, a heat dissipation device based on an LED screen is different from the first embodiment in that: two sliding rails 20 are milled in the lower heat dissipation groove 13, a connecting rod 19 is bonded on one side of the folding plate 18, then the connecting rod 19 is clamped in the sliding rails 20, and one side of the folding plate 18 is bonded with the side wall of the heat dissipation groove 13. When the heat sink is used, the folding plate 18 is pulled to be positioned at the side where the inner wall of the heat sink 13 is adhered, so that the connecting rod 19 moves in the sliding rail 20, and the folding plate 18 is contracted to open the heat sink 13 at the bottom.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a heat abstractor based on LED screen, includes LED display screen main part (1) and installation casing (2), one side, its characterized in that of installation casing (2) are being connected to LED display screen main part (1) joint: a motor (3) is arranged on one side, away from the LED display screen main body (1), of the installation shell (2), the output end of the motor (3) is connected with a connecting shaft (4), the connecting shaft (4) penetrates through the installation shell (2) and is connected with a first transmission piece (5), a connecting plate (6) is arranged in the installation shell (2), two connecting shafts (7) are arranged between the connecting plate (6) and the installation shell (2), the two connecting shafts (7) are respectively positioned on two sides of the first transmission piece (5), second transmission pieces (8) are respectively and fixedly connected to the two connecting shafts (7), residual gears (11) are fixedly connected to the connecting shafts (7), two sides of the first transmission piece (5) are respectively in transmission connection with the two second transmission pieces (8), the angles of the two residual gears (11) are consistent, a sliding groove (9) is formed in the connecting plate (6), the improved radiator is characterized in that a sliding rod (10) is connected to the sliding groove (9) in a sliding mode, one end of the sliding rod (10) is connected with a rack (12), the other end of the sliding rod (10) is connected with a radiating fan (23), and the rack (12) is in transmission connection with a residual gear (11).

2. The LED screen-based heat dissipation device of claim 1, wherein: the first transmission piece (5) and the second transmission piece (8) are both gears or friction wheels.

3. The LED screen-based heat dissipation device of claim 1, wherein: the first transmission piece (5) and the second transmission piece (8) are the same in size, and the number of teeth of the two residual gears (11) is the same.

4. The LED screen-based heat dissipation device of claim 1, wherein: the upper and lower both sides of installation casing (2) have all been seted up radiating groove (13), are located the top be equipped with filter screen (14) in radiating groove (13), be located the below be equipped with in radiating groove (13) and block piece (15), block piece (15) and be used for opening or block radiating groove (13) of below.

5. The LED screen-based heat dissipation device of claim 4, wherein: stop piece (15) including pivot (16) and returning face plate (17), pivot (16) rotate to be connected the lateral wall in radiating groove (13), pivot (16) run through the both sides of returning face plate (17) and rather than fixed connection, and returning face plate (17) are used for sheltering from radiating groove (13).

6. The LED screen-based heat dissipation device of claim 4, wherein: stop piece (15) including folded sheet (18) and connecting rod (19), slide rail (20) have been seted up to the both sides wall of radiating groove (13), one side at folded sheet (18) is fixed in connecting rod (19), and connecting rod (19) card is gone into in slide rail (20), one side and the bonding of radiating groove (13) lateral wall that connecting rod (19) were kept away from in folded sheet (18).

7. The LED screen-based heat dissipation device of claim 1, wherein: and a housing (21) for protecting the motor (3) is arranged on one side of the mounting shell (2).

8. The LED screen-based heat dissipation device of claim 1, wherein: a plurality of radiating fins (22) are arranged on one side, close to the mounting shell (2), of the LED display screen main body (1).