CN222736466U - Heat dissipation structure and display device - Google Patents
Heat dissipation structure and display device Download PDFInfo
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- CN222736466U CN222736466U CN202420767114.8U CN202420767114U CN222736466U CN 222736466 U CN222736466 U CN 222736466U CN 202420767114 U CN202420767114 U CN 202420767114U CN 222736466 U CN222736466 U CN 222736466U
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- heat dissipation
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- fan
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Abstract
本实用新型公开了一种散热结构及显示装置，属于显示装置技术领域，包括散热腔体和散热风扇，散热风扇设置在散热腔体内，散热风扇可通过进风口抽吸外界的空气以供散热，进风口处设置有进风流道，进风流道与水平面倾斜设置，进风流道具有首端和尾端，首端靠近散热腔体，尾端远离散热腔体，首端在水平面上的高度高于尾端的高度，滴落在进风流道的水滴会在重力的作用下沿进风流道向下流动，以远离散热腔体，这可阻止水滴由进风流道侵入散热腔体内。
The utility model discloses a heat dissipation structure and a display device, belonging to the technical field of display devices, comprising a heat dissipation cavity and a heat dissipation fan, wherein the heat dissipation fan is arranged in the heat dissipation cavity, and the heat dissipation fan can suck external air through an air inlet for heat dissipation, an air inlet flow channel is arranged at the air inlet, and the air inlet flow channel is inclined with respect to a horizontal plane, and the air inlet flow channel has a head end and a tail end, the head end is close to the heat dissipation cavity, and the tail end is far away from the heat dissipation cavity, and the height of the head end on the horizontal plane is higher than that of the tail end, and water droplets dripping on the air inlet flow channel will flow downward along the air inlet flow channel under the action of gravity to stay away from the heat dissipation cavity, thereby preventing water droplets from invading the heat dissipation cavity from the air inlet flow channel.
Description
Technical Field
The present disclosure relates to display devices, and particularly to a heat dissipation structure and a display device.
Background
The LED display screen is widely applied to the fields of advertisement media, stage performance, public display and the like due to excellent brightness, color saturation and visual effect. As the resolution and brightness requirements of the display screen continue to increase, the power consumed by the display screen increases, which results in a large amount of heat generated by the power supply box during operation. To ensure long-term stable operation of the power supply system, avoiding performance degradation or even damage caused by overheating, existing LED display screen power supply boxes are often equipped with heat dissipating holes in order to timely discharge the internally generated heat.
However, under rainy and humid climates, rainwater may enter the power supply box through the heat dissipation holes, which is very prone to causing a series of potential safety hazards such as short circuit and electric leakage.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model aims to provide a heat dissipation structure and a display device so as to solve the problem that heat dissipation and water prevention of a power supply box of an LED display screen cannot be achieved simultaneously.
The utility model adopts the following technical scheme:
a heat dissipation structure comprises a heat dissipation cavity and a heat dissipation fan;
The heat dissipation fan is arranged in the heat dissipation cavity;
The heat dissipation cavity is equipped with the air intake that communicates in the external world, air intake department is equipped with the air inlet runner that sets up with the horizontal plane slope, the air inlet runner is located radiator fan's air inlet side, the air inlet runner has head end and tail end, the head end is close to the heat dissipation cavity, the tail end is kept away from the heat dissipation cavity, the head end is higher than on the horizontal plane the height of tail end.
Preferably, the heat dissipation device further comprises a plurality of heat dissipation fins, and part or all of the heat dissipation fins are arranged in the heat dissipation cavity.
Preferably, the heat dissipation cavity is provided with an air outlet communicated with the outside, one end of the heat dissipation fin is positioned in the heat dissipation cavity, and the other end of the heat dissipation fin extends out of the air outlet.
Preferably, the heat radiating fin is located at an exhaust side of the heat radiating fan.
Preferably, the air conditioner further comprises a base and a cover plate, wherein an air inlet cavity, an installation cavity and an air exhaust cavity which are sequentially communicated are formed in the base, the air inlet flow channel is formed in the air inlet cavity, the heat dissipation fan is arranged in the installation cavity, the heat dissipation fins are arranged in the air exhaust cavity, the cover plate is arranged on the air inlet cavity, the installation cavity and the air exhaust cavity in a covering mode, and a heat dissipation cavity is formed between the air inlet cavity, the installation cavity and the air exhaust cavity.
Preferably, the bottom surface of the air inlet cavity is provided with a plurality of flow guide blocks, and the air inlet flow channel is formed among the flow guide blocks, the cover plate and the bottom surface of the air inlet cavity.
Preferably, two air inlet cavities are arranged, and the two air inlet cavities are respectively positioned at two sides of the mounting cavity.
Preferably, the plane of the air inlet hole of the cooling fan is coplanar with the bottom surface of the air inlet concave cavity.
Preferably, the heat dissipation fan is a centrifugal fan.
In order to solve the same technical problems, the utility model also provides a display device which comprises the heat dissipation structure.
Compared with the prior art, the utility model has the beneficial effects that:
The radiator fan sets up in the heat dissipation cavity, radiator fan accessible air intake suction external air supplies the heat dissipation, air intake department is provided with the air inlet runner, the air inlet runner sets up with the horizontal plane slope, the air inlet runner has head end and tail end, the head end is close to the heat dissipation cavity, the tail end is kept away from the heat dissipation cavity, the head end is higher than the height of tail end on the horizontal plane, the water droplet of drip at the air inlet runner can follow the air inlet runner downwardly flow under the effect of gravity to keep away from the heat dissipation cavity, this can prevent the water droplet from invading the heat dissipation cavity by the air inlet runner.
Drawings
FIG. 1 is a schematic view of a front structure of a base of a heat dissipating structure of the present utility model;
FIG. 2 is a schematic side view of an inventive heat dissipating structure;
FIG. 3 is a schematic view of a back side structure of a base of the heat dissipating structure of the present utility model;
FIG. 4 is a schematic view of a partial explosion of an inventive heat dissipating structure;
FIG. 5 is an exploded view of the heat dissipating structure of the present utility model;
FIG. 6 is an enlarged schematic view of FIG. 4 at A;
10 parts of a base, 11 parts of an air inlet concave cavity, 111 parts of an air inlet runner, 112 parts of a guide block, 12 parts of an installation concave cavity, 13 parts of an air outlet concave cavity, 14 parts of a front surface, 15 parts of a back surface, 20 parts of a cover plate, 30 parts of a heat dissipation cavity, 31 parts of an air inlet, 32 parts of an air outlet, 40 parts of a heat dissipation fan, 41 parts of an air inlet hole, 42 parts of an air outlet hole, 50 parts of a heat dissipation fin.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, 2 and 4, a heat dissipation structure of the present utility model is schematically shown, including a heat dissipation chamber 30 and a heat dissipation fan 40. The heat dissipation cavity 30 may be connected with a heat generating component in the LED display screen, which conducts heat to the heat dissipation cavity 30.
The heat dissipation fan 40 is disposed in the heat dissipation cavity 30, the heat dissipation cavity 30 is provided with an air inlet 31 communicated with the outside, and when the heat dissipation fan 40 is started, the heat dissipation fan 40 sucks the outside air through the air inlet 31 for heat dissipation.
The air inlet 31 is provided with an air inlet channel 111 inclined to the horizontal plane, the air inlet channel 111 is located on the air inlet side of the cooling fan 40, one end of the air inlet channel 111, which is close to the cooling cavity 30, is higher than one end of the air inlet channel 111, which is close to the outside, in other words, the air inlet channel 111 has a head end, which is close to the cooling cavity 30, and a tail end, which is far from the cooling cavity 30, and the height of the head end on the horizontal plane is higher than that of the tail end. When the raindrops fall at the air inlet 31, the raindrops flow downwards along the air inlet channel 111 under the action of gravity and gradually get away from the heat dissipation cavity 30, so that the raindrops are prevented from invading the heat dissipation cavity 30 and damaging the heat dissipation fan 40.
In order to improve the heat dissipation performance, the heat dissipation structure further comprises a plurality of heat dissipation fins 50, part or all of the heat dissipation fins 50 are arranged in the heat dissipation cavity 30, forced ventilation is performed after the heat dissipation fan 40 is started, and flowing air flows through the heat dissipation fins 50 to take away heat on the heat dissipation fins 50. In the present embodiment, a plurality of heat dissipation fins 50 are provided, and the plurality of heat dissipation fins 50 are plate-shaped and parallel to each other.
Preferably, the heat dissipation fins 50 are disposed on the air intake side of the heat dissipation fan 40, the heat dissipation fan 40 sucks the air from the outside through the air intake 31, and the air flows through the heat dissipation fins 50 and then flows to the heat dissipation fan 40 after entering the heat dissipation cavity 30 through the air intake 31.
Example 2
As shown in fig. 1 to 6, the difference between the present embodiment and embodiment 1 is that the heat dissipation fins 50 are located at the exhaust side of the heat dissipation fan 40, the heat dissipation fan 40 sucks the external air through the air inlet 31, and the air flows through the heat dissipation fan 40 and then flows to the heat dissipation fins 50. The advantage of this solution is that the air can firstly dissipate the heat of the driving motor of the cooling fan 40, ensuring the stable operation of the cooling fan 40.
Specifically, as shown in fig. 1 and 4, the heat dissipation cavity 30 is provided with an air outlet 32 communicated with the outside, one end of the heat dissipation fin 50 is located in the heat dissipation cavity 30, the other end of the heat dissipation fin 50 extends out of the air outlet 32, the heated air in the heat dissipation cavity 30 is discharged to the outside from the air outlet 32, the heat dissipation fin 50 penetrates through the air outlet 32, so that the movement direction of the hot air discharged from the air outlet 32 is more regular, turbulence is reduced, and the heat dissipation efficiency of the heat dissipation structure can be improved.
Further, the heat dissipation structure of the present utility model further includes a base 10 and a cover 20, as shown in fig. 4 to 6, the base 10 has a front surface 14 and a back surface 15, the back surface 15 of the base 10 is used for being attached to a heat generating component, and the front surface 14 of the base 10 is provided with an air inlet cavity 11, an installation cavity 12 and an air exhaust cavity 13 which are sequentially communicated. The air inlet channel 111 is arranged in the air inlet cavity 11, the cooling fan 40 is arranged in the installation cavity 12, the cooling fins 50 are arranged in the air exhaust cavity 13, and air flows through the air inlet cavity 11, the installation cavity 12 and the air exhaust cavity 13 sequentially under the driving of the cooling fan 40. The number of the air inlet cavities 11 is two, the two air inlet cavities 11 are respectively positioned on two sides of the installation cavity 12, and the two air inlet cavities 11 are arranged to effectively improve the air inlet quantity, so that the heat dissipation capacity of the heat dissipation structure is larger.
As shown in fig. 4, the cover plate 20 is detachably covered on the opening of the air inlet cavity 11, the opening of the mounting cavity 12 and the opening of the air exhaust cavity 13, and the air inlet cavity 11, the mounting cavity 12 and the air exhaust cavity 13 can be exposed to the outside by removing the cover plate 20, so that an maintainer can conveniently overhaul the air inlet channel 111, the heat dissipation fan 40 and the heat dissipation fins 50. A heat dissipation cavity 30 is formed among the cover plate 20, the air inlet cavity 11, the mounting cavity 12 and the air exhaust cavity 13, and an air outlet 32 is positioned at one end of the air exhaust cavity 13.
As shown in fig. 6, the bottom surface of the air inlet cavity 11 is provided with a plurality of guide blocks 112, an air inlet channel 111 is formed among the guide blocks 112, the cover plate 20 and the bottom surface of the air inlet cavity 11, the guide blocks 112 are obliquely arranged with a horizontal plane, one higher end of each guide block 112 is close to the cooling fan 40, one lower end of each guide block 112 is close to the outside, and the guide blocks 112 can guide raindrops dropping on the guide blocks to the outside.
The plane of the air inlet 41 of the cooling fan 40 is coplanar with the bottom surface of the air inlet cavity 11, so that steps are avoided from being formed between the cooling fan 40 and the air inlet cavity 11, turbulence is generated, and the air flow rate is prevented from being influenced. The cooling fan 40 is preferably a centrifugal fan, and the direction of the air flow blown out by the centrifugal fan is more regular, and the exhaust hole 42 of the cooling fan 40 is opposite to the end of the cooling fin 50, so that the air blown out by the cooling fan 40 can flow along the extending direction of the cooling fin 50, and the heat on the cooling fin 50 is absorbed.
Example 3
In order to solve the same technical problems, the present embodiment discloses a display device, which comprises a power component and the heat dissipation structure as described above, wherein the power component is attached to the base 10 of the heat dissipation structure to transfer heat to the base 10.
In summary, the heat dissipation fan 40 is disposed in the heat dissipation cavity 30, the heat dissipation fan 40 can suck the external air through the air inlet 31 for heat dissipation, the air inlet 111 is disposed at the air inlet 31, the air inlet 111 is inclined with respect to the horizontal plane, the air inlet 111 has a head end and a tail end, the head end is close to the heat dissipation cavity 30, the tail end is far away from the heat dissipation cavity 30, the head end is higher than the tail end in the horizontal plane, and the water drops dropping on the air inlet 111 can flow downwards along the air inlet 111 under the action of gravity to far away from the heat dissipation cavity 30, so as to prevent the water drops from entering the heat dissipation cavity 30 through the air inlet 111.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The heat dissipation structure is characterized by comprising a heat dissipation cavity and a heat dissipation fan;
The heat dissipation fan is arranged in the heat dissipation cavity;
The heat dissipation cavity is equipped with the air intake that communicates in the external world, air intake department is equipped with the air inlet runner that sets up with the horizontal plane slope, the air inlet runner is located radiator fan's air inlet side, the air inlet runner has head end and tail end, the head end is close to the heat dissipation cavity, the tail end is kept away from the heat dissipation cavity, the head end is in the height of on the horizontal plane is higher than the tail end.
2. The heat dissipating structure of claim 1, further comprising a plurality of heat dissipating fins, wherein some or all of the heat dissipating fins are disposed within the heat dissipating cavity.
3. The heat dissipation structure according to claim 2, wherein the heat dissipation cavity is provided with an air outlet communicated with the outside, one end of the heat dissipation fin is located in the heat dissipation cavity, and the other end of the heat dissipation fin extends out of the air outlet.
4. A heat radiation structure according to any one of claims 2 to 3, wherein the heat radiation fin is located on an exhaust side of the heat radiation fan.
5. The heat dissipation structure according to claim 3, further comprising a base and a cover plate, wherein an air inlet cavity, an installation cavity and an exhaust cavity are sequentially communicated with each other on the base, the air inlet channel is arranged on the air inlet cavity, the heat dissipation fan is arranged on the installation cavity, the heat dissipation fins are arranged on the exhaust cavity, the cover plate covers openings of the air inlet cavity, the installation cavity and the exhaust cavity, and the heat dissipation cavity is formed among the cover plate, the air inlet cavity, the installation cavity and the exhaust cavity.
6. The heat dissipating structure of claim 5, wherein a bottom surface of said air intake cavity is provided with a plurality of flow guide blocks, and said air intake flow passage is formed between said flow guide blocks, said cover plate and said bottom surface of said air intake cavity.
7. The heat dissipating structure of claim 5, wherein two of said air intake cavities are provided, and two of said air intake cavities are located on either side of said mounting cavity.
8. The heat dissipating structure of claim 5, wherein the plane of the air inlet of the heat dissipating fan is coplanar with the bottom surface of the air inlet cavity.
9. The heat dissipating structure of claim 1, wherein the heat dissipating fan is a centrifugal fan.
10. A display device comprising the heat dissipation structure as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420767114.8U CN222736466U (en) | 2024-04-11 | 2024-04-11 | Heat dissipation structure and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420767114.8U CN222736466U (en) | 2024-04-11 | 2024-04-11 | Heat dissipation structure and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222736466U true CN222736466U (en) | 2025-04-08 |
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ID=95216902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420767114.8U Active CN222736466U (en) | 2024-04-11 | 2024-04-11 | Heat dissipation structure and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222736466U (en) |
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2024
- 2024-04-11 CN CN202420767114.8U patent/CN222736466U/en active Active
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