CN220457802U

CN220457802U - Heat dissipation device for LED screen

Info

Publication number: CN220457802U
Application number: CN202322115118.6U
Authority: CN
Inventors: 王帅; 周海军; 邢强
Original assignee: Shandong Sibang Optoelectronic Technology Co ltd
Current assignee: Shandong Sibang Optoelectronic Technology Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-06
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a heat dissipation device for an LED screen, which comprises a coil pipe and a spiral pipe. This a heat abstractor for LED screen, one side fixedly connected with heat conduction silica gel of screen body, the outside of heat conduction silica gel is equipped with first radiating fin, the top fixedly connected with cooler bin of casing, the outside of cooler bin is equipped with the circulating pump, circulating pump fixed mounting is on the casing, be equipped with the spiral pipe in the cooler bin, be located first radiating fin's the outside in the casing is equipped with the coil pipe, the bottom inboard of casing has the second fan through bracing piece fixed mounting, through the circulating pump, circulation heat medium, the cooperation cooler bin is with cold energy leading-in to the casing of LED screen, heat conduction silica gel and first radiating fin export the heat energy that screen body work lock given off simultaneously, and drive the air at the casing internal circulation through the second fan, thereby add first radiating fin and coil pipe and the heat exchange of casing inside air, thereby realize spilling the hot effect. The medium circulates.

Description

Heat dissipation device for LED screen

Technical Field

The utility model relates to the technical field of LED large screens, in particular to a heat dissipation device for an LED screen.

Background

The LED screen is a display mode by controlling the semiconductor light emitting diode, and the display mode is a large screen which is mainly composed of a plurality of small lamps of red, green and blue, displays characters by the on-off of the lamps, and is used for displaying various information such as characters, graphics, images, animation, quotation, video and video signals.

In publication (bulletin) No.: in the prior art of CN218277652U, a large-screen heat dissipating device for an LED is disclosed, which proposes that "the existing heat dissipating hole is generally used for dissipating heat of a large-screen LED, or cold air is blown into the large-screen LED to directly dissipate heat of the large-screen LED, and both heat dissipating modes have disadvantages: the heat generated in the large LED screen is not LED out, so that the problem of greatly reducing the heat dissipation effect of the large LED screen is solved.

However, in the above prior art, cold air is blown to the inside of the housing of the LED screen by the semiconductor refrigerating sheet and the air pump, and air is circulated, so that low-temperature air is discharged through the heat dissipation holes, which results in cold waste, and therefore, a heat dissipation device for the LED screen is proposed to optimize the above prior art.

Disclosure of Invention

The present utility model is directed to a heat dissipating device for an LED screen, so as to solve the above-mentioned problems in the related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a heat abstractor for LED screen, includes the LED screen, the LED screen is including the casing and install the screen body in the casing, one side fixedly connected with heat conduction silica gel of screen body, the outside of heat conduction silica gel is equipped with first radiating fin, first radiating fin passes through the rear side fixed connection of connecting rod and screen body, the top fixedly connected with cooler bin of casing, the outside of cooler bin is equipped with the circulating pump, circulating pump fixed mounting is on the casing, be equipped with the spiral pipe in the cooler bin, the outside that is located first radiating fin in the casing is equipped with the coil pipe, the one end and the one end fixed connection of circulating pump of spiral pipe, the one end and the one end fixed connection of coil pipe, the one end and the other end fixed connection of circulating pump of coil pipe, the bottom inboard of casing has the second fan through bracing piece fixed mounting.

As a further scheme of the utility model: the cooling box is internally provided with a cooling medium, the top of the cooling box is provided with a cooling mechanism, and the cooling zone mechanism comprises a second radiating fin, a third radiating fin, a first fan and a semiconductor refrigerating sheet.

As still further aspects of the utility model: the semiconductor refrigerating sheet is arranged between the second radiating fin and the third radiating fin, and the second radiating fin and the third radiating fin are fixedly installed with the shell through bolts.

As still further aspects of the utility model: the first fan is fixedly arranged on the top surface of the third radiating fin, the second radiating fin is inserted into the cooling box, and a clearance is formed in the position, corresponding to the spiral pipe, of the second radiating fin.

As still further aspects of the utility model: the bottom symmetry of casing has offered the opening, and the open-ended outside is equipped with the standing groove with casing fixed connection, is equipped with the shrouding rather than looks adaptation in the standing groove, and the top surface of shrouding is equipped with places the screen frame, is equipped with the drier in the placing screen frame.

As still further aspects of the utility model: the ground bilateral symmetry of standing groove is equipped with stop gear, stop gear include with standing groove damping pivoted separation blade, the tip joint rotation of separation blade is connected with the connecting rod, fixedly connected with push handle on the connecting rod.

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

1. according to the LED screen, the heat conducting medium is circulated through the circulating pump, the cooling box is matched to guide cold energy into the shell of the LED screen, meanwhile, the heat conducting silica gel and the first radiating fins guide out heat energy emitted by the working lock of the screen body, and the second fan drives air to circulate in the shell, so that heat exchange between the first radiating fins and the coil pipe and the air in the shell is added, and a heat scattering effect is achieved. The medium circulates, so that the cold air is effectively prevented from being discharged, and the waste of cold energy is avoided.

2. According to the utility model, the cooling mechanism is used for actively refrigerating the cooling box, so that the heat conducting medium circulated by the circulating pump is cooled, the heat exchange effect is further improved, and the heat dissipation effect is improved.

3. According to the utility model, through the arrangement of the avoidance gap, the second radiating fin is conveniently inserted into the cooling box better, and the contact area is increased.

4. According to the utility model, through the arrangement of the drying agent, the inner space of the shell can be dried, and the influence of moisture on the use of the LED screen is avoided.

5. According to the utility model, the sealing plate is limited by the baffle plate, so that the sealing plate is convenient to install and detach, and meanwhile, the integral operation of the sealing plate is convenient to perform the operation of surprise installation and detachment by arranging the push handle and the connecting rod.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipating device for an LED screen.

Fig. 2 is a side cross-sectional view of a heat sink for an LED screen.

Fig. 3 is a bottom view of a partial structure of a heat sink for an LED screen.

In the figure: 1. an LED screen; 2. a housing; 3. a screen body; 4. thermally conductive silica gel; 5. a first heat radiating fin; 6. a cooling box; 7. a circulation pump; 8. a spiral tube; 9. a coiled pipe; 10. a second heat radiating fin; 11. a third heat radiating fin; 12. a first fan; 13. a semiconductor refrigeration sheet; 14. avoiding the notch; 15. a second fan; 16. a placement groove; 17. a sealing plate; 18. placing a net frame; 19. a drying agent; 20. a baffle; 21. a connecting rod; 22. pushing the handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the utility model, a heat dissipating device for an LED screen includes an LED screen 1, the LED screen 1 includes a housing 2 and a screen body 3 installed in the housing 2, one side of the screen body 3 is fixedly connected with a heat conducting silica gel 4, the outer side of the heat conducting silica gel 4 is provided with a first heat dissipating fin 5, the first heat dissipating fin 5 is fixedly connected with the rear side of the screen body 3 through a connecting rod, the top of the housing 2 is fixedly connected with a cooling tank 6, the outer side of the cooling tank 6 is provided with a circulating pump 7, the circulating pump 7 is fixedly installed on the housing 2, a spiral pipe 8 is arranged in the cooling tank 6, a coil pipe 9 is arranged on the outer side of the first heat dissipating fin 5 in the housing 2, a heat conducting medium is jointly arranged in the spiral pipe 8 and the coil pipe 9, one end of the spiral pipe 8 is fixedly connected with one end of the circulating pump 7, the other end of the coil pipe 8 is fixedly connected with one end of the coil pipe 9, and the other end of the circulating pump 7 are fixedly connected, and the inner side of the bottom of the housing 2 is fixedly installed with a second fan 15 through a supporting rod.

Through circulating pump 7, circulation heat-conducting medium, cooperation cooler bin 6 is with cold energy leading-in to the casing 2 of LED screen 1 in, and heat conduction silica gel 4 and first radiating fin 5 export the heat energy that screen body 3 work lock was given off simultaneously to drive the air through second fan 15 and circulate in casing 2, thereby add the heat exchange of first radiating fin 5 and coil pipe 9 and the inside air of casing 2, thereby realize spilling the hot effect. The medium circulates, so that the cold air is effectively prevented from being discharged, and the waste of cold energy is avoided.

The cooling box 6 is internally provided with a cooling medium, the top of the cooling box 6 is provided with a cooling mechanism, and the cooling zone mechanism comprises a second radiating fin 10, a third radiating fin 11, a first fan 12 and a semiconductor refrigerating sheet 13.

The semiconductor cooling fin 13 is provided between the second heat radiating fin 10 and the third heat radiating fin 11, and the second heat radiating fin 10 and the third heat radiating fin 11 are fixedly mounted with the housing 2 together by bolts.

The first fan 12 is fixedly arranged on the top surface of the third radiating fin 11, the second radiating fin 10 is inserted into the cooling box 6, the second radiating fin 10 is provided with an avoidance gap 14 corresponding to the spiral pipe 8, and the second radiating fin 10 is conveniently inserted into the cooling box 6 better through the arrangement of the avoidance gap 14, so that the contact area is increased.

The cooling mechanism is used for actively refrigerating the cooling box 6, so that the heat conducting medium circulated by the circulating pump 7 is cooled, the heat exchange effect is further improved, and the heat dissipation effect is improved.

The bottom of the shell 2 is symmetrically provided with an opening, the outside of the opening is provided with a placing groove 16 fixedly connected with the shell 2, a sealing plate 17 matched with the placing groove 16 is arranged in the placing groove 16, the top surface of the sealing plate 17 is provided with a placing net frame 18, and a drying agent 19 is arranged in the placing net frame 18.

Through the setting of drier 19, can dry casing 2 inner space, avoid producing the use that the moisture influences the LED screen.

The two sides of the ground of the placing groove 16 are symmetrically provided with limiting mechanisms, each limiting mechanism comprises a baffle plate 20 which is in damping rotation with the placing groove 16, the end parts of the baffle plates 20 are connected with a connecting rod 21 in a common rotation mode, and a pushing handle 22 is fixedly connected to the connecting rod 21.

The sealing plate 17 is limited by the baffle 20, so that the sealing plate 17 is convenient to install and detach, and meanwhile, the whole operation of the baffle 20 is convenient to operate by the arrangement of the push handle 22 and the connecting rod 21.

The LED screen 1, the circulating pump 7, the semiconductor refrigerating sheet 13, the second fan 15 and the first fan 12 are electrically connected with an external power supply and a switch through wires.

The working principle of the utility model is as follows:

when the heat-conducting screen is used, the screen body 3 works, heat energy generated by the work of the screen body is rapidly dissipated into the shell 2 through the heat-conducting silica gel 4 and the first radiating fins 5, meanwhile, the circulating pump 7 drives heat-conducting media to circulate in the spiral pipe 8 and the coil pipe 9, the semiconductor refrigerating piece 13 cools down the cooling media in the cooling box 6 through the second radiating fins 10, thereby cooling the heat-conducting media in the spiral pipe 8, and further exchanging heat with the interior of the shell 2, meanwhile, the second fan 15 promotes the air in the shell 2 to circulate automatically, so that rapid heat exchange is formed, a heat dissipation effect is formed, and the first fan 12 dissipates heat to the third radiating fins 11 in the working process of the semiconductor refrigerating piece 13, so that the refrigerating effect of the semiconductor refrigerating piece 13 is maintained.

In the use process of the LED screen 1, the drying agent 19 can be used for internal dehumidification, and after a period of time, the connecting rod 21 can be pushed by the pushing handle 22, so that the baffle 20 is driven to deflect integrally, the sealing plate 17 is conveniently taken out of the placing groove 16, and the drying agent 19 is taken out of the placing net frame 18 for replacement.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A heat dissipation device for LED screens, comprising an LED screen (1), characterized in that: the LED screen (1) comprises a shell (2) and a screen body (3) arranged in the shell (2), one side fixedly connected with heat conduction silica gel (4) of the screen body (3), a first radiating fin (5) is arranged on the outer side of the heat conduction silica gel (4), the first radiating fin (5) is fixedly connected with the rear side of the screen body (3) through a connecting rod, a cooling box (6) is fixedly connected with the top of the shell (2), a circulating pump (7) is arranged on the outer side of the cooling box (6), the circulating pump (7) is fixedly arranged on the shell (2), a spiral pipe (8) is arranged in the cooling box (6), one end of the spiral pipe (8) is fixedly connected with one end of the circulating pump (7), the other end of the spiral pipe (8) is fixedly connected with one end of the spiral pipe (9), one end of the spiral pipe (9) is fixedly connected with the other end of the circulating pump (7), and a second fan (15) is fixedly arranged on the inner side of the bottom of the shell (2) through a supporting rod.

2. A heat sink for an LED screen as claimed in claim 1, wherein: the cooling box (6) is internally provided with a cooling medium, the top of the cooling box (6) is provided with a cooling mechanism, and the cold area mechanism comprises a second radiating fin (10), a third radiating fin (11), a first fan (12) and a semiconductor refrigerating sheet (13).

3. A heat sink for an LED screen as claimed in claim 2, wherein: the semiconductor refrigerating fin (13) is arranged between the second radiating fin (10) and the third radiating fin (11), and the second radiating fin (10) and the third radiating fin (11) are fixedly installed with the shell (2) through bolts.

4. A heat sink for an LED screen as claimed in claim 2, wherein: the first fan (12) is fixedly arranged on the top surface of the third radiating fin (11), the second radiating fin (10) is inserted into the cooling box (6), and a clearance gap (14) is formed in the position, corresponding to the spiral tube (8), of the second radiating fin (10).

5. A heat sink for an LED screen as claimed in claim 1, wherein: the bottom symmetry of casing (2) has seted up the opening, and the open-ended outside is equipped with standing groove (16) with casing (2) fixed connection, is equipped with in standing groove (16) rather than shrouding (17) of looks adaptation, and the top surface of shrouding (17) is equipped with places screen frame (18), is equipped with drier (19) in placing screen frame (18).

6. A heat sink for an LED screen as recited in claim 5, wherein: limiting mechanisms are symmetrically arranged on two sides of the ground of the placing groove (16), each limiting mechanism comprises a baffle plate (20) which is in damping rotation with the placing groove (16), a connecting rod (21) is connected to the end part of each baffle plate (20) in a common rotation mode, and a pushing handle (22) is fixedly connected to the connecting rod (21).