WO2017185603A1

WO2017185603A1 - Electric appliance

Info

Publication number: WO2017185603A1
Application number: PCT/CN2016/099905
Authority: WO
Inventors: 高培峰
Original assignee: 乐视控股（北京）有限公司; 乐视致新电子科技（天津）有限公司
Priority date: 2016-04-26
Filing date: 2016-09-23
Publication date: 2017-11-02
Also published as: CN205648254U

Abstract

The embodiments of the present invention relate to the field of electronic devices. Provided is an electric appliance, comprising: a housing, the housing having a through hole connecting the inside and outside of the housing; an integrated circuit board provided inside the housing and an internal heat sink for radiating heat for the integrated circuit board; an external heat sink made of a thermally conductive material and provided outside the housing; and a thermally conductive connector made of the thermally conductive material, the thermally conductive connector being connected, via the through hole, to the internal heat sink inside the housing and the external heat sink outside the housing, respectively. The electric appliance in the embodiments of the present invention is used for solving the technical problem of insufficient heat radiation of an electric appliance in the prior art.

Description

Electric appliance

The present application claims priority to Chinese Patent Application No. 20162036278, filed on Apr. 26, 2016, the entire disclosure of which is hereby incorporated by reference.

Technical field

Embodiments of the present invention relate to the field of electronic devices, and in particular, to an electrical appliance.

Background technique

The speaker is the terminal of the entire sound system, its function is to convert the audio energy into the corresponding sound energy and radiate it into the space. The performance of the speaker plays a key role in the playback quality of an audio system.

Both the soundbar and the smart soundbar are long strip speakers that are used primarily with ultra-thin video devices such as LCD TVs. As shown in FIG. 1, the conventional elongated speaker includes an elongated box 10, an integrated circuit board 20 and a speaker 30 disposed in the elongated box. In order to achieve heat dissipation of the integrated circuit board, it is necessary to provide a heat dissipation hole in the elongated box 10. As consumers' demands for the appearance of long strip speakers continue to increase, the location and number of heat sink holes in the elongated box 10 are increasingly limited. Therefore, the existing long strip speakers have a problem of insufficient heat dissipation in the integrated circuit board; similarly, other electrical appliances may also have insufficient heat dissipation.

Summary of the invention

The embodiment of the invention provides an electrical appliance for solving the technical problem of insufficient heat dissipation of the electrical appliance in the prior art.

An embodiment of the present invention provides an electrical appliance, including:

a housing having a through hole communicating with the inside and outside of the housing;

An integrated circuit board disposed within the housing and an internal heat sink for dissipating heat from the integrated circuit board;

An external heat sink made of a heat conductive material disposed outside the casing;

a thermally conductive connector made of a thermally conductive material, the thermally conductive connector being respectively connected to the inner heat sink in the housing and the outer heat sink outside the housing through the through hole.

Optionally, the external heat sink is fixed on an outer surface of the fixing wall of the casing, and the through hole penetrates a fixing wall of the casing; wherein the fixing wall is a place for fixing the external heat sink The bottom or top or side wall of the housing.

Optionally, the internal heat sink is fixed to a side of the integrated circuit board opposite the fixed wall of the housing.

Optionally, the through hole is disposed at a position where the fixed wall faces the inner heat sink.

Optionally, the heat conducting connector is a bolt, and the inner heat sink and the outer heat sink are respectively provided with screw holes, and the inner heat sink and the screw are screwed through the bolt and the screw hole at the through hole of the housing External heat sink connection.

Optionally, the housing is further provided with a heat dissipation hole.

Optionally, the heat conducting connector is a heat conducting connector made of a metal material, and the external heat sink is an external heat sink made of a metal material.

Optionally, the heat conducting connector is a thermally conductive connector made of copper or aluminum material, and the external heat sink is an external heat sink made of copper or aluminum material.

Optionally, the plurality of thermally conductive connectors are plural.

Optionally, the appliance is a speaker.

The electrical appliance of the embodiment of the invention comprises a casing, an integrated circuit board and an internal heat dissipating component disposed in the casing, an external heat dissipating component made of a heat conductive material disposed outside the casing, and a heat conducting connecting component made of a heat conductive material. And the housing has a through hole communicating with the inside and outside of the housing; the heat conducting connector connects the internal heat sink in the housing and the external heat sink outside the housing at the through hole. In this way, the heat dissipation to the integrated circuit board is not only performed by the internal heat sink located in the housing, but also by the external heat sink located outside the housing; not only the heat dissipation area is increased, but also the external heat sink outside the housing Cooling is carried out, which greatly improves the heat dissipation efficiency. The electrical appliance of the embodiment of the invention increases the heat dissipation area by a simple structure, improves the heat dissipation efficiency, and solves the technical problem of insufficient heat dissipation of the existing electrical appliance.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a schematic view of a prior art speaker box;

2 is a schematic view of an electric appliance according to an embodiment of the present invention.

Description of the reference signs:

In the background art:

10 long strips, 20 integrated circuit boards, 30 speakers;

In the present invention:

100 housing, 210 integrated circuit board, 220 internal heat sink, 300 external heat sink,

400 thermal connection.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

An electrical appliance according to an embodiment of the present invention, as shown in FIG. 2, includes:

a housing 100 having a through hole communicating with the inside and outside of the housing;

An integrated circuit board 210 disposed in the housing and an internal heat sink 220 for dissipating heat for the integrated circuit board;

An external heat sink 300 made of a heat conductive material disposed outside the casing;

The heat conductive connector 400 made of a heat conductive material, the heat conductive connector 400 is respectively connected to the inner heat sink 220 in the housing and the outer heat sink 300 outside the housing through the through hole.

The electrical appliance of the embodiment of the invention comprises a casing, an integrated circuit board and an internal heat dissipating component disposed in the casing, an external heat dissipating component made of a heat conductive material disposed outside the casing, and a heat conducting connecting component made of a heat conductive material, and the casing And having a through hole communicating with the inside and outside of the housing; the heat conducting connector connects the internal heat sink inside the housing and the external heat sink outside the housing at the through hole. In this way, the heat dissipation to the integrated circuit board is not only performed by the internal heat sink located in the housing, but also by the external heat sink located outside the housing; not only the heat dissipation area is increased, but also the external heat sink outside the housing Cooling is carried out, which greatly improves the heat dissipation efficiency. The electrical appliance of the embodiment of the invention increases the heat dissipation area by a simple structure, improves the heat dissipation efficiency, and solves the technical problem of insufficient heat dissipation of the existing electrical appliance.

Specifically, as shown in FIG. 2, the external heat sink 300 is fixed on the outer surface of the bottom wall of the housing 100. The through hole penetrates through the bottom wall of the housing, and the external heat sink 300 can also be multiplexed for the decorative appliance or the support housing.

According to the position where the external heat sink can be set by the electric appliance, the position of the through hole is set; in the above setting manner, the distance between the through hole and the external heat sink is small, which facilitates the connection of the heat conductive connecting member, and at the same time, the structure of the electric appliance is simpler.

Further, as shown in FIG. 2, the internal heat sink 220 is fixed to the opposite side of the integrated circuit board from the bottom wall of the housing.

According to the position of the external heat sink and the through hole, the position of the internal heat sink is set; in the above setting manner, the distance between the internal heat sink and the through hole is small, which facilitates the connection of the heat conductive connector, and the structure of the electric appliance is simpler.

Further, as shown in FIG. 2, the through hole is disposed directly under the internal heat sink 220. In such a setting manner, the distance between the internal heat dissipating member, the through hole and the external heat dissipating member is small, and the heat conducting connecting member is connected, and the structure of the electric appliance is very simple. In conjunction with this, the structure of the heat-conducting connecting member is also very simple, the heat-conducting connecting member is a bolt, the inner heat-dissipating member and the outer heat-dissipating member are respectively provided with screw holes, and the inner heat-dissipating member is passed through the bolt and the screw hole at the through hole of the housing. Connect to external heat sink. Thus, by providing the position of the internal heat sink and the through hole, the internal heat sink and the external heat sink can be connected at the through hole by the bolt with simple structure, which greatly simplifies the structure of the electric appliance.

Considering that the position of the external heat dissipating member may be various, the external heat dissipating member may be disposed on the outer surface of the side wall of the casing, the through hole penetrating the side wall of the casing; the external heat dissipating member may also be disposed on the top wall of the casing The outer surface of the outer hole penetrates the top wall of the housing.

The side wall or the top wall or the side wall of the outer heat sink is defined as a fixed wall. In addition, as long as the external heat sink is disposed on the outer surface of the fixed wall of the housing, the through hole penetrates through the fixed wall of the housing. In such a setting manner, the distance between the through hole and the external heat sink is small, which facilitates the connection of the heat conductive connecting member, and at the same time, the structure of the electric appliance is simpler.

Further, the internal heat sink is fixed to the opposite side of the integrated circuit board from the fixed wall of the housing. In such a setting manner, the distance between the internal heat dissipating member and the through hole is small, which facilitates the connection of the heat conducting connecting member, and at the same time, the structure of the electric appliance is simpler.

Further, the through hole is disposed at a position where the fixed wall faces the inner heat sink. In such a setting manner, the distance between the internal heat dissipating member, the through hole and the external heat dissipating member is small, and the heat conducting connecting member is connected, and the structure of the electric appliance is very simple. In conjunction with this, the structure of the heat-conducting connecting member is also very simple, the heat-conducting connecting member is a bolt, the inner heat-dissipating member and the outer heat-dissipating member are respectively provided with screw holes, and the inner heat-dissipating member is passed through the bolt and the screw hole at the through hole of the housing. Connect to external heat sink. This way, by setting the interior The position of the heat sink and the through hole can realize the connection of the internal heat sink and the external heat sink at the through hole by the bolt with simple structure, which greatly simplifies the structure of the electric appliance.

Furthermore, the housing of the electric appliance can also be provided with a heat dissipation hole at a position that does not affect the appearance of the electric appliance. In this way, the heat dissipation efficiency can be further improved.

In order to improve the heat conduction efficiency of the heat conducting connector, the heat conducting connecting member adopts a heat conducting connecting member which is a heat conducting connecting member made of a metal material, and the external heat sink member is an external heat sink member made of a metal material; alternatively, it may be made of copper or aluminum material. Thermal connection and external heat sink. The better the material with better thermal conductivity, the higher the heat conduction efficiency of the heat-conducting connecting member and the higher the heat-dissipating efficiency of the external heat-dissipating member.

Due to the heat-conducting connecting member and the internal heat-dissipating member, the connection of the external heat-dissipating member is a small-area connection, so that by increasing the number of the heat-conducting connecting members, the area where the heat-conductive connecting member will be connected with the internal heat-dissipating member and the external heat-dissipating member can be increased. Improve the efficiency of heat dissipation.

Specifically, the electrical appliance can be a speaker or other electrical appliance. The structure of the electric appliance of the embodiment of the present invention can be employed as long as it is an electric appliance that requires better heat dissipation.

The device embodiments described above are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located in one place. Or it can be distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

An electrical appliance, comprising:

a housing having a through hole communicating with the inside and outside of the housing;

An integrated circuit board disposed within the housing and an internal heat sink for dissipating heat from the integrated circuit board;

An external heat sink made of a heat conductive material disposed outside the casing;

a thermally conductive connector made of a thermally conductive material, the thermally conductive connector being connected to the inner heat sink and the outer heat sink respectively through the through hole.
The electric appliance according to claim 1, wherein said external heat sink is fixed to an outer surface of said fixed wall of said housing, said through hole penetrating through said fixed wall of said housing; wherein said fixed wall It is a bottom wall or a top wall or a side wall of the casing that fixes the external heat sink.
The appliance according to claim 2, wherein said internal heat sink is fixed to a side of said integrated circuit board opposite said fixed wall of said housing.
The electric appliance according to claim 3, wherein said through hole is provided at a position where said fixed wall faces said internal heat sink.
The electric appliance according to claim 4, wherein said heat conduction connecting member is a bolt, and said inner heat dissipating member and said outer heat dissipating member are respectively provided with screw holes through said bolts at a through hole of said housing A screw hole connects the inner heat sink and the outer heat sink.
The electric appliance according to claim 5, wherein said housing is further provided with a heat dissipation hole.
The electric appliance according to any one of claims 1 to 6, wherein the thermally conductive connecting member is a thermally conductive connecting member made of a metal material, and the external heat dissipating member is an external heat dissipating member made of a metal material.
The electric appliance according to any one of claims 1 to 6, wherein the heat conducting connecting member is a heat conducting connecting member made of copper or aluminum material, and the external heat sink member is an external heat sink member made of copper or aluminum material. .
The electrical appliance of any of claims 1-6, wherein the thermally conductive connector is a plurality.
The electric appliance according to any one of claims 1 to 6, wherein the electric appliance is a sound box.