Television

Abstract

The utility model relates to the technical field of household appliances, and discloses a television which comprises a box body, a loudspeaker box and an air guide pipe. The sound box is provided with a phase inversion hole; one end of the air guide pipe is communicated with the phase inversion hole, and the other end of the air guide pipe extends into the box body and is used for cooling the heating area in the box body. In the application, because the phase inversion hole of the sound box is communicated with the air guide pipe, air flow can be generated when the sound box works, and the air flow enters the air guide pipe through the phase inversion hole and is guided to the heating area in the box body through the air guide pipe. And the heating area is directly blown to dissipate heat, so that the risk of excessive dispersion of airflow is reduced, and the heat dissipation effect is improved. And the running speed of the cooling fan in the television is reduced, and the running energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, for example to a television. BACKGROUND

[0002] At present, a television is a device for converting image and audio signals into visual images by using electronic technology. During the operation of some components inside the television, a large amount of heat is generated. If the heat is not dissipated in time, the accelerated aging of some components will occur, and the risk of failure of the television will also be greatly increased. The existing heat dissipation scheme is to set a fan on the back of the television to blow the generated heat out of the television. However, the long-time high-speed operation of the fan has relatively high energy consumption.

[0003] In the related art, there is a television comprising two sound box areas and a circuit board mounting area arranged between the two sound box areas. The sound box area is provided with a phase inversion hole, and the phase inversion hole is in communication with a heat dissipation hole of the circuit board mounting area. In the case that the sound box in the sound box area vibrates, due to the principle of the phase inversion tube, air flow is generated in the sound box area and blown to the circuit board mounting area to dissipate heat for the circuit board mounting area. Thus, the operating speed of the fan is reduced, and the energy consumption is reduced.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] The air flow flowing from the phase inversion hole towards the heat dissipation hole is relatively dispersed, so that the heat dissipation effect is poor.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0007] In order to have a basic understanding of some aspects of the disclosed embodiments, the following is a simple summary. The summary is not a general review, nor is it intended to determine the key / important components or delineate the protection scope of these embodiments, but as a prelude to the detailed description below.

[0008] The embodiments of the present disclosure provide a television to improve the heat dissipation effect.

[0009] In some embodiments, the television comprises a cabinet, a sound box and a wind guide pipe. The sound box is provided with a phase inversion hole; one end of the wind guide pipe is in communication with the phase inversion hole, and the other end extends into the cabinet to dissipate heat for a heat generating area in the cabinet.

[0010] Optionally, the end of the wind guide pipe extending into the cabinet is provided with a plurality of air outlets.

[0011] Optionally, the air guide pipe extends into the cabinet and has a plurality of air guide branches at one end thereof, each of the air guide branches is in communication with one of the air outlets, and each of the air guide branches is used for dissipating heat from the heat generating area in the cabinet.

[0012] Optionally, the cabinet has a power board, and the air guide pipe extends to the power board at one end thereof.

[0013] Optionally, the sound box is located outside the cabinet, and a part of the air guide pipe is located outside the cabinet and another part of the air guide pipe extends into the cabinet; or the sound box is located inside the cabinet, and the cabinet has a through hole, and a part of the air guide pipe is exposed outside the cabinet through the through hole.

[0014] Optionally, the air guide pipe has a heat dissipation member.

[0015] Optionally, the cabinet has a plurality of heat dissipation members, and each of the heat dissipation members is located outside the cabinet.

[0016] Optionally, the sound box has a plurality of phase inversion holes, and some of the phase inversion holes are in communication with the air guide pipe.

[0017] Optionally, the air guide pipe comprises a first pipe portion and a second pipe portion, one end of the first pipe portion is in communication with the phase inversion hole, one end of the second pipe portion is in communication with the other end of the first pipe portion, and the first pipe portion and the second pipe portion have an included angle.

[0018] Optionally, the air guide pipe is made of stainless steel.

[0019] The television provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] Since the phase inversion hole of the sound box is in communication with the air guide pipe, air flow is generated when the sound box is working, the air flow enters the air guide pipe from the phase inversion hole, and is guided by the air guide pipe to the heat generating area in the cabinet. The heat generating area is directly blown and dissipated, the risk of excessive dispersion of the air flow is reduced, the heat dissipation effect is improved, and the operation speed of the heat dissipation fan in the television is reduced, and the energy consumption during operation is reduced.

[0021] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] One or more embodiments are exemplarily illustrated by corresponding drawings, which are not used to limit the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute proportional limitation, and wherein:

[0023] Figure 1 is a structural schematic diagram of a television provided by the embodiments of the present disclosure;

[0024] Figure 2is an explosion schematic view of a television structure schematic view provided by an embodiment of the present disclosure;

[0025] Figure 3 is an explosion schematic view of a wind guide pipe and wind guide branch pipe cooperation structure schematic view provided by an embodiment of the present disclosure;

[0026] Figure 4 is another television structure schematic view provided by an embodiment of the present disclosure;

[0027] Figure 5 is another television structure schematic view provided by an embodiment of the present disclosure;

[0028] Figure 6 is another television structure schematic view provided by an embodiment of the present disclosure;

[0029] Figure 7 is another television structure schematic view provided by an embodiment of the present disclosure;

[0030] Figure 8 is a first pipe part and second pipe part cooperation structure schematic view provided by an embodiment of the present disclosure.

[0031] Reference signs:

[0032] 100, cabinet; 110, through hole; 120, heat dissipation pipe; 130, heat dissipation box; 131, air hole; 200, sound box; 210, inverting hole; 300, wind guide pipe; 310, air outlet; 320, wind guide branch pipe; 330, heat dissipation part; 331, first heat dissipation fin; 332, second heat dissipation fin; 340, first pipe part; 350, second pipe part; 400, power board; 410, screw hole. DETAILED DESCRIPTION

[0033] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, through multiple details, a sufficient understanding of the disclosed embodiments is provided. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0034] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0035] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0036] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0037] Unless otherwise specified, the term "a plurality of" means two or more.

[0038] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the preceding and following objects. For example, A / B means A or B.

[0039] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, the three relationships.

[0040] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0041] In combination Figures 1-2 As shown, the embodiments of the present disclosure provide a television, which comprises a box body 100, a sound box 200 and a wind guide pipe 300. The sound box 200 is provided with an inverted phase hole 210; one end of the wind guide pipe 300 is in communication with the inverted phase hole 210, and the other end extends into the box body 100, for heat dissipation of the heat generating area in the box body 100.

[0042] The television provided by the embodiment of the present disclosure is provided. Since the reverse phase hole 210 of the sound box 200 is in communication with the air guide pipe 300, in the case that the sound box 200 works, the air flow is generated, the air flow enters the air guide pipe 300 from the reverse phase hole 210, and is guided to the heat generating area in the box body 100 by the air guide pipe 300. The heat generating area is directly blown and dispersed to reduce the risk of excessive dispersion of the air flow and improve the heat dissipation effect. The running speed of the heat dissipation fan in the television is reduced, and the energy consumption of the running is reduced.

[0043] It can be understood that the air guide pipe 300 can be relatively long, and other components or modules are arranged between the sound box 200 and the heat generating area in the box body 100. The air guide pipe 300 can directly bypass or pass through other components or modules to send the air flow to the heat generating area, and the arrangement is more flexible and the heat dissipation is more accurate.

[0044] It can be understood that the heat generating area in the box body 100 refers to the area where the heat generating components in the box body 100 of the television are located, such as the area where the power module is located, the area where the mainboard chip is located, or the area where the circuit board assembly is located.

[0045] Combined with Figure 3 As shown in the figure, optionally, the air guide pipe 300 extends to one end in the box body 100 and is provided with a plurality of air outlets 310. In this way, the air flow in the air guide pipe 300 can flow through the plurality of air outlets 310, the direction of the flow is relatively more, the range covered by the air flow is relatively large, the heat dissipation effect of the heat generating area in the box body 100 is improved, and the energy consumption of the television is reduced.

[0046] Specifically, the end of the air guide pipe 300 is provided with three air outlets 310. In this way, the number of air outlets 310 is relatively large, the air flow in the air guide pipe 300 can flow through the three air outlets 310, the direction of the flow is relatively more, the range covered by the air flow is relatively large, and the heat dissipation effect of the heat generating area in the box body 100 is improved.

[0047] In one embodiment, the air guide pipe 300 is a rectangular tubular structure. In this way, under the condition of ensuring the flow capacity of the air guide pipe 300, the air guide pipe 300 can be relatively flat, which is convenient for the design of the relatively thin box body 100. At the same time, the shape of the rectangular air guide pipe 300 is relatively regular.

[0048] Optionally, the plurality of air outlets 310 are arranged on different side walls of the air guide pipe 300. In this way, the plurality of air outlets 310 blow air from different side walls of the air guide pipe 300, the direction of the air is relatively more, the range covered is relatively large, and the heat dissipation effect is improved.

[0049] In another embodiment, the air guide pipe 300 is a circular tubular structure. In this way, the air guide pipe 300 is convenient to bend and can be arranged relatively flexibly in the inside of the box body 100.

[0050] It can be understood that the air duct 300 can also be an oval, triangular or other common tubular structure.

[0051] It can be understood that the air duct 300 is also an irregular tubular structure.

[0052] Optionally, the air duct 300 extends to one end in the cabinet 100 and is provided with a plurality of air guide branch pipes 320, one end of each air guide branch pipe 320 is communicated with one air outlet 310, and each air guide branch pipe 320 is used for heat dissipation of the heat generating area in the cabinet 100. In this way, in the case that the air duct 300 dissipates heat for one heat generating area, the air flow in the air duct 300 can be sent to other heat generating areas through the air guide branch pipes 320, and heat dissipation is performed for multiple heat generating areas, thereby reducing the operating energy consumption of the television.

[0053] Specifically, the air guide branch pipe 320 is provided with three air guide branch pipes. In this way, the number of the air guide branch pipes 320 is relatively large, and in the case that the air duct 300 dissipates heat for one heat generating area, the air flow in the air duct 300 can be sent to other three heat generating areas through the three air guide branch pipes 320, and heat dissipation is performed for multiple heat generating areas, thereby reducing the operating energy consumption of the television.

[0054] Optionally, the flow rate of the air guide branch pipe 320 is greater than or equal to one fifteenth of the flow rate of the air duct 300 and less than or equal to one third of the flow rate of the air duct 300. In this way, in the case that the flow rate of the air guide branch pipe 320 is less than one fifteenth of the flow rate of the air duct 300, the flow rate of the air guide branch pipe 320 is too small, the air flow for heat dissipation is too small, and the heat dissipation effect is relatively poor. Since the air flow in the air duct 300 is limited, in the case that the flow rate of the air guide branch pipe 320 is greater than one third of the flow rate of the air duct 300, the flow rate of the air guide branch pipe 320 is too large, the flow rate of the air flow is too slow, and the heat dissipation is relatively poor. Therefore, it can be seen that the range that the flow rate of the air guide branch pipe 320 is greater than or equal to one fifteenth of the flow rate of the air duct 300 and less than or equal to one third of the flow rate of the air duct 300 is relatively reasonable, and the heat dissipation effect is relatively good.

[0055] Optionally, the flow rate of the air guide branch pipe 320 is greater than or equal to one twelfth of the flow rate of the air duct 300. In this way, in the case that the air guide branch pipe 320 is provided with a plurality of air guide branch pipes, part of the air flow in the air duct 300 is sent to other heat generating areas by the air guide branch pipes 320, and the flow rate of the air guide branch pipe 320 is moderate, so that the air flow and the flow rate of the air flow in the air guide branch pipe 320 are moderate, and the heat dissipation effect is relatively good.

[0056] In combination with Figure 4As shown, the power board 400 is arranged in the cabinet 100, and the air guide pipe 300 extends to the power board 400. In this way, the air guide pipe 300 extends into the cabinet 100 to blow and disperse heat at the power board 400, so as to reduce the running speed of the heat dissipation fan in the television set and reduce the energy consumption.

[0057] Specifically, the power board 400 is provided with a plurality of screw holes 410. In this way, the power board 400 is fixed in the cabinet 100 by the cooperation of the plurality of screws and the plurality of screw holes 410, so as to be convenient to install and disassemble.

[0058] It can be understood that the power board 400 generates heat during the power supply, power distribution and filtering processes.

[0059] Optionally, the air guide branch pipe 320 extends to different positions of the power board 400 away from the air guide pipe 300. In this way, the air flow in the air guide pipe 300 blows and disperses heat at different positions of the power board 400, so as to precisely dissipate heat at different positions of the power board 400 and improve the heat dissipation effect. The running speed of the heat dissipation fan in the television set is reduced, and the energy consumption is reduced.

[0060] Optionally, the cabinet 100 is provided with a main board, and part of the air guide branch pipe 320 extends to the main board. In this way, the air guide branch pipe 320 blows and disperses heat at the main board, so as to reduce the running speed of the heat dissipation fan in the television set and reduce the energy consumption.

[0061] It can be understood that the air guide pipe 300 can also extend to the main board, and the air guide branch pipe 320 extends to the power board 400.

[0062] It can be understood that the air guide branch pipe 320 and / or the air guide pipe 300 can also extend to other heat generating positions in the television set.

[0063] In combination with Figure 5 , Figure 6 and Figure 7As shown, the sound box 200 is located outside the cabinet 100, part of the air guide pipe 300 is located outside the cabinet 100, and the other part of the air guide pipe 300 extends into the cabinet 100; or the sound box 200 is located inside the cabinet 100, the cabinet 100 is provided with a through hole 110, and part of the air guide pipe 300 is exposed outside the cabinet 100 through the through hole 110. In this way, when the sound box 200 is located outside the cabinet 100, the exposed part of the air guide pipe 300 outside the cabinet 100 can exchange heat with the air outside the cabinet 100, reduce the temperature of the air in the air guide pipe 300, improve the heat dissipation effect, reduce the operating speed of the heat dissipation fan in the television, and reduce the energy consumption of operation. Similarly, when the sound box 200 is located inside the cabinet 100, the air guide pipe 300 embedded in the through hole 110 can exchange heat with the air outside the cabinet 100, reduce the temperature of the air in the air guide pipe 300, improve the heat dissipation effect, reduce the operating speed of the heat dissipation fan in the television, and reduce the energy consumption of operation.

[0064] Optionally, the cabinet 100 is provided with a heat dissipation pipe 120, which extends through to the inside of the cabinet 100, and the heat dissipation pipe 120 is used to connect the inverter pipe of the independent loudspeaker outside the television. In this way, since some users will install an independent sound box 200 to improve the music experience, the inverter pipe of the independent sound box 200 can be connected to the heat dissipation pipe 120 to dissipate heat for the components inside the cabinet 100, thereby improving the heat dissipation effect.

[0065] Specifically, one end of the heat dissipation pipe 120 extending into the cabinet 100 extends to the power board 400. In this way, the inverter pipe of the independent sound box 200 can be connected to the heat dissipation pipe 120 to dissipate heat for the power board 400 inside the cabinet 100, thereby improving the heat dissipation effect.

[0066] Optionally, one end of the heat dissipation pipe 120 extending into the cabinet 100 is provided with a heat dissipation box 130, and the heat dissipation box 130 is provided with a plurality of ventilation holes 131; preferably, the ventilation holes 131 are five, and the five ventilation holes 131 are uniformly arranged on the heat dissipation box 130. In this way, the heat dissipation box 130 has a relatively large area, and more ventilation holes 131 can be arranged to dissipate heat inside the cabinet 100, the heat dissipation area is relatively large, and the heat dissipation effect is relatively good.

[0067] Optionally, the projection area of the heat dissipation box 130 towards the power board 400 is less than or equal to one third of the area of the power board 400, and greater than or equal to one fifth of the area of the power board 400. In this way, when the projection area of the heat dissipation box 130 towards the power board 400 is greater than one third of the area of the power board 400, the area of the heat dissipation box 130 is too large, the airflow in the heat dissipation pipe 120 is limited, and the airflow in each vent hole 131 of the heat dissipation box 130 is too small, resulting in poor heat dissipation effect. When the projection area of the heat dissipation box 130 towards the power board 400 is less than one fifth of the area of the power board 400, the heat dissipation range is too small. Therefore, it is reasonable that the projection area of the heat dissipation box 130 towards the power board 400 is less than or equal to one third of the area of the power board 400, and greater than or equal to one fifth of the area of the power board 400, and the heat dissipation range is relatively large, and the heat dissipation effect is relatively good.

[0068] Optionally, the projection area of the heat dissipation box 130 towards the power board 400 is equal to one half of the area of the power board 400. In this way, the heat dissipation range of the heat dissipation box 130 is relatively large, and the heat dissipation effect is relatively good.

[0069] Optionally, the air guide pipe 300 is provided with a heat dissipation member 330. In this way, the heat dissipation effect of the air guide pipe 300 is improved by the heat dissipation member 330.

[0070] Optionally, when the sound box 200 is located outside the cabinet 100, the heat dissipation member 330 is a first heat dissipation fin 331 and extends along the axial direction of the air guide pipe 300. In this way, the heat dissipation effect of the heat dissipation member 330 is relatively good.

[0071] Optionally, when the sound box 200 is located inside the cabinet 100, the heat dissipation member 330 is a second heat dissipation fin 332 and is arranged on the outer periphery of the air guide pipe 300. In this way, the heat dissipation area is relatively large, and the heat dissipation effect is relatively good.

[0072] Optionally, the heat dissipation member 330 is provided with a plurality of heat dissipation members, and all of the heat dissipation members are arranged outside the cabinet 100. In this way, the heat dissipation area of the plurality of heat dissipation members 330 is relatively large, and the heat dissipation effect is relatively good.

[0073] Specifically, the first heat dissipation fin 331 is provided with a plurality of first heat dissipation fins, and preferably three first heat dissipation fins are arranged at intervals; the second heat dissipation fin 332 is provided with a plurality of second heat dissipation fins, and preferably three second heat dissipation fins are arranged at intervals. In this way, the heat dissipation effect is relatively good.

[0074] It can be understood that the number of the first heat dissipation fin 331 and the second heat dissipation fin 332 can also be five, ten or other numbers.

[0075] Optionally, the sound box 200 is provided with a plurality of reverse holes 210, and some of the reverse holes 210 are in communication with the air ducts 300. In this way, the number of the reverse holes 210 is relatively large, the number of the connectable air ducts 300 is relatively large, and the heat dissipation effect is better.

[0076] Specifically, the sound box 200 is provided with three reverse holes 210, and the air ducts 300 are provided with two reverse holes 210. Each of the reverse holes 210 is in communication with a corresponding air duct 300. In this way, the number of the reverse holes 210 is relatively large, the number of the connectable air ducts 300 is relatively large, and the heat dissipation effect is better.

[0077] Specifically, each of the air ducts 300 is provided with a plurality of air outlets 310 and a plurality of air guide branches 320.

[0078] Optionally, the flow capacity of the reverse holes 210 is less than or equal to the flow capacity of the air ducts 300. In this way, the risk of large air resistance in the air ducts 300 is reduced.

[0079] Optionally, the sound box 200 is provided with a plurality of clamping holes. In this way, the sound box 200 is clamped on the cabinet 100 through the plurality of clamping holes, and the installation and disassembly are convenient.

[0080] In combination with Figure 8 Optionally, the air duct 300 includes a first pipe portion 340 and a second pipe portion 350. One end of the first pipe portion 340 is in communication with the reverse hole 210, and one end of the second pipe portion 350 is in communication with the other end of the first pipe portion 340. The first pipe portion 340 and the second pipe portion 350 have an included angle. In this way, the first pipe portion 340 and the second pipe portion 350 have an included angle, the flow direction of the air flow is guided through the cooperation of the first pipe portion 340 and the second pipe portion 350, the air flow is sent to the heat generating area, the heat dissipation effect is improved, the operation speed of the heat dissipation fan in the television is reduced, and the energy consumption is reduced.

[0081] Optionally, the included angle between the first pipe portion 340 and the second pipe portion 350 is greater than or equal to 0 degrees and less than or equal to 120 degrees. In this way, the range of the included angle between the first pipe portion 340 and the second pipe portion 350 is relatively large, the included angle between the first pipe portion 340 and the second pipe portion 350 can be flexibly selected according to the positions of the sound box 200 and the heat generating area, and the heat dissipation demand of the heat generating area is met.

[0082] Specifically, the first pipe portion 340 and the second pipe portion 350 are arranged in parallel, or the included angle between the first pipe portion 340 and the second pipe portion 350 is 90 degrees.

[0083] Specifically, the air outlet 310 is arranged on the second pipe portion 350, and the heat dissipation member 330 is arranged on the first pipe portion 340.

[0084] In one embodiment, the air duct 300 is made of stainless steel material. In this way, the strength of the air duct 300 is relatively high, and the corrosion resistance is relatively good.

[0085] In another embodiment, the air duct 300 and / or the air duct branch 320 are made of copper. In this way, the heat conduction effect is relatively good, and the heat dissipation effect on the heat generating area is improved. The running speed of the heat dissipation fan in the television is reduced, and the energy consumption of the running is reduced.

[0086] In another embodiment, the air duct 300 and / or the air duct branch 320 are made of plastic. In this way, the mass of the air duct 300 and the air duct branch 320 is relatively light, and the overall weight of the television is reduced.

[0087] Specifically, the air duct 300 and / or the air duct branch 320 are made of ABS plastic (Acrylonitrile Butadiene Styrene plastic).

[0088] The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable one skilled in the art to practice them. Other embodiments can include structural and other changes. The embodiments represent only the possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be changed. Parts and features of some embodiments can be included or replaced by parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A television set, characterized in that The television comprises: a cabinet (100); a sound box (200) provided with a phase inversion hole (210); an air duct (300) having one end communicated with the phase inversion hole (210) and the other end extended into the cabinet (100) for dissipating heat from a heat generating area in the cabinet (100).

2. The television according to claim 1, wherein the air duct (300) has a plurality of air outlets (310) at the end extended into the cabinet (100).

3. The television according to claim 2, wherein the air duct (300) has a plurality of air branch pipes (320) at the end extended into the cabinet (100), each of the air branch pipes (320) has one end communicated with one of the air outlets (310), and each of the air branch pipes (320) is used for dissipating heat from the heat generating area in the cabinet (100).

4. The television according to claim 1, wherein the cabinet (100) is provided with a power board (400), and the air duct (300) has the end extended into the cabinet (100) extended to the power board (400).

5. The television according to claim 1, wherein the sound box (200) is located outside the cabinet (100), and a part of the air duct (300) is located outside the cabinet (100) and the other part of the air duct (300) is extended into the cabinet (100); or the sound box (200) is located inside the cabinet (100), and the cabinet (100) is provided with a through hole (110) through which a part of the air duct (300) is exposed outside the cabinet (100).

6. The television according to claim 5, wherein the air duct (300) is provided with a plurality of heat dissipating members (330).

7. The television according to claim 6, wherein the heat dissipating members (330) are provided in plurality and located outside the cabinet (100).

8. The television according to claim 1, wherein the sound box (200) is provided with a plurality of phase inversion holes (210), and some of the phase inversion holes (210) are communicated with the air duct (300). The air duct (300) comprises:

9. Television according to any of claims 1 to 8, characterized in that a first pipe section (340) having one end communicated with the phase inversion hole (210); a second pipe section (350) having one end communicated with the other end of the first pipe section (340); wherein the first pipe section (340) and the second pipe section (350) have an included angle.

10. The television according to any one of claims 1 to 8, wherein the air duct (300) is made of stainless steel. ​

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