CN217445704U - Liquid crystal television radiating fin - Google Patents

Abstract

The utility model discloses a liquid crystal television radiating fin, which comprises a back plate and a cover plate, wherein a plurality of horizontally arranged radiating plates are fixedly connected between the back plate and the cover plate, an air flow channel is formed between the adjacent two radiating plates and the back plate and the cover plate, one end of the air flow channel is communicated with a first shell, a refrigerating plate is arranged at the center of one side surface away from the air flow channel in the first shell, air inlets are arranged at the upper side and the lower side of the refrigerating plate on the first shell, the other end of the air flow channel is communicated with a second shell, an air outlet is arranged at the center of one side surface away from the air flow channel of the second shell, an exhaust fan is arranged in the air outlet, a plurality of embedded grooves which are vertically arranged are arranged at the rear side surface of the back plate, the utility model is provided with the refrigerating plate, low-temperature cold air is provided for the air flow channel, the radiating efficiency of the radiating plates is improved, and the exhaust fan is arranged, the air flow is accelerated to flow in the channel, the heat exchange efficiency is improved, and the heat dissipation effect is good.

Description

An LCD TV heat sink

technical field

The utility model relates to the technical field of heat sinks, in particular to a heat sink of a liquid crystal television.

Background technique

At present, flat-panel LCD TV modules are getting thinner and thinner, and they are deeply loved by consumers. Consumers have higher and higher requirements for dustproof and heat dissipation of LCD TVs. The basic system of TV sets consists of three parts: camera, transmission and display. When the TV is working, the motherboard will emit a lot of heat. People generally dissipate heat by installing a heat sink on the motherboard. Copper or bronze is made into plate, sheet, multi-sheet, etc. The power tubes, line tubes and power amplifier tubes in TV sets must use heat sinks. Generally, heat sinks should be used in electronic components and heat sinks in use. The contact surface is coated with a layer of thermal grease, so that the heat emitted by the components is more effectively conducted to the heat sink, and then dissipated into the surrounding air through the heat sink, but during the heat dissipation process of the heat sink, the airflow is not smooth, and it is completely Natural wind heat dissipation, the heat dissipation effect of the heat sink itself is poor.

Utility model content

In order to solve the above-mentioned various problems, the utility model provides a heat sink for a liquid crystal television.

In order to solve the above-mentioned technical problems, the technical scheme of the present invention is as follows: a cooling fin for a liquid crystal television, comprising a backplane and a cover, and a number of horizontally arranged radiators are fixedly connected between the backplane and the cover. An air flow channel is formed between the two adjacent radiating plates, the back plate and the cover plate, one end of the air flow channel is connected with a casing 1, and a cooling fin is arranged in the center of a side surface of the casing 1 away from the air flow channel, The first shell is provided with air inlets on the upper and lower sides of the refrigerating sheet, the other end of the airflow channel is connected with the second shell, and the center of the side surface of the second shell away from the airflow channel is provided with an exhaust port. , an exhaust fan is arranged inside the exhaust port, and a plurality of vertical embedding grooves are arranged on the rear side of the back plate.

As an improvement, the heat dissipation surface of the cooling fin is close to an inner wall of the casing, and a plurality of heat dissipation fins are arranged on the heat dissipation surface, and the heat dissipation fins extend to the outside of the casing.

As an improvement, a flow equalizing plate is arranged inside the casing.

As an improvement, a dust-proof net is provided inside the air inlet.

As an improvement, a second dust filter is provided inside the exhaust port and outside the exhaust fan.

Compared with the prior art, the utility model has the advantages that: the utility model is provided with refrigerating fins, which provide low-temperature cold air for the airflow channel, improve the heat dissipation efficiency of the heat dissipation plate, and are provided with an exhaust fan to accelerate the airflow in the channel and improve the heat exchange efficiency. , the heat dissipation effect is good.

Description of drawings

FIG. 1 is a schematic view of the front structure of a heat sink for a liquid crystal television set of the present invention.

FIG. 2 is a schematic top view of the structure of a heat sink of a liquid crystal television set according to the present invention.

FIG. 3 is a schematic view of the structure of a liquid crystal television radiator from the right side of the present invention.

As shown in the figure: 1. Back plate; 2. Cover plate; 3. Cooling plate; 4. Air flow channel; 5. Shell 1; 6. Refrigeration sheet; 7. Air inlet; 8. Shell 2; 9. Exhaust port; 10, exhaust fan; 11, embedded slot; 12, cooling fins; 13, equalizing plate; 14, dust filter one; 15, dust filter two.

Detailed ways

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation configuration and operation, Therefore, it cannot be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "provided", "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it may be A fixed connection can also be a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

With reference to accompanying drawings 1 to 3, a cooling fin for an LCD TV includes a backplane 1 and a cover 2, and a number of horizontally arranged radiating plates 3 are fixedly connected between the backplane 1 and the cover 2. An air flow channel 4 is formed between the two adjacent heat dissipation plates 3 and the back plate 1 and the cover plate 2. One end of the air flow channel 4 is communicated with a casing one 5, and the inside of the casing one 5 is far away from the air flow passage 4. A cooling fin 6 is provided in the center of one side, the housing 1 5 is provided with air inlets 7 on the upper and lower sides of the cooling fin 6, and the other end of the airflow channel 4 is connected with a housing 2 8. The center of one side of the body 2 8 away from the airflow channel 4 is provided with an exhaust port 9 , an exhaust fan 10 is arranged inside the exhaust port 9 , and a plurality of vertical embedding grooves 11 are provided on the rear side of the back plate 1 .

The heat dissipation surface of the cooling fin 6 is close to the inner wall of the housing one 5 and a plurality of heat dissipation fins 12 are arranged on the heat dissipation surface. There is an equalizing plate 13 , the air inlet 7 is provided with a dust filter 1 14 , and the exhaust port 9 is provided with a dust filter 2 15 inside and outside the exhaust fan 10 .

The specific embodiment of the utility model: before the utility model is used, the heating mechanisms such as the TV power supply tube, the line tube and the power amplifier tube are put into the embedded groove 11, and the pipeline is coated with thermally conductive silicone grease, and the heat generated by the pipeline heating is passed through. The thermal grease is transferred to the heat dissipation plate 3, the heat dissipation plate 3 dissipates the heat into the air flow channel 4, starts the cooling fin 6, exchanges heat with the air inside the shell 1 5, forms cold air, starts the exhaust fan 10, and the exhaust fan 10 accelerates the air flow channel The air flow inside 4, under the action of the equalizing plate 13, makes the cold air diffuse into the airflow channel 4 evenly and quickly, and fully conduct heat exchange with the heat dissipation plate 3, the dust-proof net 14 and the dust-proof net 2 15, Blocks the entry of dust from the outside air.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, without departing from the purpose of the present invention, and without creatively designing the structural modes and embodiments similar to the technical scheme, all should belong to the protection of the present invention. scope.

Claims (5)

1. A cooling fin for an LCD TV, comprising a backplane (1) and a cover plate (2), characterized in that: the backplane (1) and the cover plate (2) are fixedly connected with a number of horizontally arranged A heat dissipation plate (3), an air flow channel (4) is formed between the two adjacent heat dissipation plates (3), the back plate (1) and the cover plate (2), and one end of the air flow channel (4) is communicated with a Shell one (5), a cooling fin (6) is provided in the center of a side face away from the airflow channel (4) inside the casing one (5), and the housing one (5) is located on the cooling fin (6) The upper and lower sides are provided with air inlets (7), and the other end of the airflow channel (4) is connected with a second casing (8), the second casing (8) is away from the center of one side of the airflow channel (4). An exhaust port (9) is provided, an exhaust fan (10) is arranged inside the exhaust port (9), and a plurality of vertical embedding grooves (11) are provided on the rear side of the back plate (1). 2. A liquid crystal television heat sink according to claim 1, characterized in that: the heat dissipation surface of the cooling fin (6) is close to the inner wall of the first shell (5) and a plurality of heat dissipation fins are arranged on the heat dissipation surface (12), the heat dissipation fins (12) protrude to the outside of the casing one (5). 3 . The heat sink for a liquid crystal television set according to claim 1 , wherein a current equalizing plate ( 13 ) is arranged inside the first casing ( 5 ). 4 . 4. A liquid crystal television heat sink according to claim 1, characterized in that: a dust-proof net (14) is provided inside the air inlet (7). 5 . The heat sink for an LCD TV according to claim 1 , wherein a second dust filter ( 15 ) is provided inside the exhaust port ( 9 ) and outside the exhaust fan ( 10 ). 6 .

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