CN212343995U

CN212343995U - Heat dissipation module and microphone device comprising same

Info

Publication number: CN212343995U
Application number: CN202021552823.2U
Authority: CN
Inventors: 孔琂; 蒋升
Original assignee: Suirui Technology Group Co Ltd
Current assignee: Suirui Technology Group Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-01-12
Anticipated expiration: 2030-07-30

Abstract

The invention discloses a heat dissipation module which is arranged inside an electronic device and positioned on one side of an air outlet of the device, wherein the air outlet of the device is provided with a curved surface structure, the heat dissipation module comprises a plurality of heat dissipation fins which are arranged at positions opposite to the air outlet, one ends of the heat dissipation fins are arc-shaped structures, and the arc-shaped structures are matched with the curved surface structure of the air outlet of the device and are arranged in a mode of being attached to the air outlet of the device. The utility model discloses a heat radiation module is the curved surface structure assorted arc structure with the equipment air outlet because of its heat radiation fins's one end, therefore can laminate the inboard at the equipment air outlet to ensure that the heat can effectual follow equipment air outlet effluvium.

Description

Heat dissipation module and microphone device comprising same

Technical Field

The utility model relates to a video communication cloud integration conference terminal carries out the design field, especially about a heat radiation module who is applicable to and establishes relation and balance between heat dissipation, wind channel, structure, noise.

Background

The heat discharged by the existing heat dissipation module can not be fully dissipated from the air outlet of the equipment, so that the heat is accumulated in the casing of the equipment, and the hidden danger is caused to the stable operation of the equipment. If the rotating speed of the fan is increased, the noise of the fan is increased, and therefore the sound pickup of the microphone is affected.

Fig. 1 to 3 are schematic diagrams of a front view, a top view and a history of a voice collecting device according to an embodiment of the prior art. As indicated by the symbol I in fig. 3, the air outlet of the device is shaped as a curved surface structure, and a heat dissipation module is installed inside the air outlet of the device. As shown in fig. 4, the shape of the air outlet 11 'of the fin 1' of the heat dissipation module in the prior art is not matched with the shape of the air outlet of the device, so that a certain distance exists between the air outlet of the fin and the air outlet of the device, and a part of heat cannot be dissipated from the air outlet of the device, and is accumulated inside the device, thereby causing heat accumulation. And the length H1 of the fins of the prior art is about 52mm, the spacing between the fins is about 1.3mm, and the number of fins is about 30. In the prior art, because the length of the fins is larger and the distance between the fins is smaller, the heat dissipation effect of the fan at low rotating speed is not good. Meanwhile, the fan in the prior art adopts an upper air suction mode, namely an air suction opening of the fan is arranged between the fan and the microphone sealing box, so that the noise is high when the rotating speed of the fan is high, and the pickup of the microphone is influenced.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat radiation module, its heat radiation fins's one end be with the curved surface structure assorted arc structure of electronic equipment's air outlet, therefore can laminate in the inboard of air outlet to ensure that the heat can effectually spill from the air outlet.

Another object of the present invention is to provide a microphone apparatus including a heat dissipation module.

In order to achieve the above object, the utility model provides a heat radiation module, its setting is located equipment air outlet one side in electronic equipment's inside, and the air outlet has the curved surface structure, and heat radiation module includes a plurality of heat radiation fins, and its range sets up in the position relative with the air outlet, and a plurality of heat radiation fins's one end is the arc structure, the curved surface structure phase-match of arc structure and equipment air outlet, and set up with the mode of air outlet laminating.

In a preferred embodiment, the spacing between adjacent fins is 1.6mm, and the maximum length of each fin is 47 mm.

In a preferred embodiment, the heat dissipation module further includes a fan located at the other end of the plurality of heat dissipation fins.

In a preferred embodiment, the fan and the plurality of cooling fins are located below a microphone of the electronic device.

In a preferred embodiment, the fan is arranged in the form of a downdraft.

In a preferred embodiment, the air outlet of the fan is inclined to the air outlet of the fin at a certain angle.

In a preferred embodiment, the heat dissipation module further comprises a plurality of soundproof cotton disposed on top of the fan and/or the plurality of heat dissipation fins.

In a preferred embodiment, the heat dissipation module further includes soundproof cotton integrally provided on top of the fan and the plurality of heat dissipation fins.

To achieve the above another object, the present invention provides a microphone apparatus, which includes the above heat dissipation module.

Compared with the prior art, the utility model discloses a heat dissipation module and microphone equipment that contains heat dissipation module have following beneficial effect: one end of the radiating fin is of an arc-shaped structure matched with the curved surface structure of the equipment air outlet of the electronic equipment, so that the radiating fin can be attached to the inner side of the equipment air outlet, and heat can be effectively dissipated from the equipment air outlet. Under the condition of keeping the heat dissipation effect unchanged, the distance between the fins is increased by reducing the number of the fins, so that the wind-cut noise is reduced when the rotating speed of the fan is the same, and the sound pickup quality of the microphone is guaranteed. The length of the fins is shortened, the distance between the fan and the equipment air outlet is further shortened, and the heat can be transmitted to the equipment air outlet through the fins more efficiently when the fan runs at a low rotating speed. The fan adopts down the air inlet design, and the space that make full use of heat dissipation module and equipment structure reserved makes the noise that the fan produced propagate downwards, and fan noise becomes reverse distribution with mic's pickup direction. Meanwhile, soundproof cotton is attached to the top of the fan, so that the influence of fan noise on mic pickup is avoided.

Drawings

FIG. 1 is a schematic front view of a speech acquisition device according to one embodiment of the prior art;

FIG. 2 is a schematic top view of a speech acquisition device according to one embodiment of the prior art;

FIG. 3 is a schematic perspective view of a speech acquisition device according to one embodiment of the prior art;

fig. 4 is a schematic structural view of a heat sink and an apparatus outlet according to an embodiment of the prior art;

fig. 5 is a schematic structural diagram of a heat dissipation module according to an embodiment of the present invention;

fig. 6 is a schematic structural view of fin spacings according to an embodiment of the present invention;

fig. 7 is a schematic view of a structure of a lower suction of a fan according to an embodiment of the present invention;

fig. 8 is a schematic view of soundproof cotton at the top of a fan according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a heat dissipation module and an apparatus microphone according to an embodiment of the present invention.

Description of the main reference numerals:

101-equipment air outlet, 1-heat dissipation fins, 11-arc structure, 2-fan, 3-soundproof cotton, H-fin length and H-fin interval.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 5 to 8, a heat dissipation module according to a preferred embodiment of the present invention. The heat dissipation module is arranged inside the electronic device and located on one side of the device air outlet 101, and the device air outlet 101 has a curved surface structure. The heat dissipation module comprises a plurality of heat dissipation fins 1, the heat dissipation fins 1 are arranged at positions opposite to the equipment air outlet 101, one ends of the heat dissipation fins 1 are arc-shaped structures, and the arc-shaped structures are matched with the curved surface structure of the equipment air outlet 101 and are arranged in a mode of being attached to the equipment air outlet 101.

Referring to fig. 5 to 6, in some embodiments, the distance H between adjacent heat dissipation fins 1 is 1.6mm, and the maximum length H of each heat dissipation fin 1 is 47 mm.

And, the total number of the heat radiation fins 1 is about 24. Thus, the wind shear noise can be reduced by about 2db for the same fan speed.

Referring to fig. 7 to 8, in some embodiments, the heat dissipation module further includes a fan 2 located at another end of the plurality of heat dissipation fins 1. The fan 2 and the plurality of heat radiating fins 1 are located below the microphone of the electronic device. The fan 2 is arranged in a lower air suction mode.

Because the utility model discloses a fan 2 has adopted down the mode of induced drafting, the space that make full use of thermal module and equipment structure reserved makes the noise downward propagation that fan 2 produced, and fan 2's noise becomes reverse distribution with mic pickup direction.

In some embodiments, the fan 2 may be disposed in a direct downward air suction manner, and in some embodiments, the air outlet of the fan 2 may be disposed in a manner of being inclined at a certain angle toward the air outlet of the heat dissipation fin 1.

Referring to fig. 8 to 9, in some embodiments, the heat dissipation module further includes a plurality of soundproof cotton 3 disposed on top of the fan 2 and/or the plurality of heat dissipation fins 1.

In some embodiments, the soundproof cotton 3 of the heat dissipation module may be integrally provided on the top of the fan 2 and the plurality of heat dissipation fins 1.

Because the soundproof cotton 3 is attached to the tops of the fan 2 and the heat dissipation fins, the influence of the noise of the fan 2 on mic pickup is avoided. And the fan of prior art adopts the form that induced drafts on, consequently can't set up soundproof cotton, and the noise of consequently fan can directly cause the influence to micaceous pickup.

As shown in fig. 9 and referring to fig. 1 to 3, in order to achieve the above-mentioned another object, the present invention provides a microphone apparatus, including the heat dissipation module.

To sum up, the utility model discloses a heat dissipation module and microphone equipment that contains heat dissipation module have following beneficial effect: one end of the radiating fin is of an arc-shaped structure matched with the curved surface structure of the equipment air outlet of the electronic equipment, so that the radiating fin can be attached to the inner side of the equipment air outlet, and heat can be effectively dissipated from the equipment air outlet. Under the condition of keeping the heat dissipation effect unchanged, the distance between the fins is increased by reducing the number of the fins, so that the wind-cut noise is reduced when the rotating speed of the fan is the same, and the sound pickup quality of the microphone is guaranteed. The length of the fins is shortened, the distance between the fan and the equipment air outlet is further shortened, and the heat can be transmitted to the equipment air outlet through the fins more efficiently when the fan runs at a low rotating speed. The fan adopts down the air inlet design, and the space that make full use of heat dissipation module and equipment structure reserved makes the noise that the fan produced propagate downwards, and fan noise becomes reverse distribution with mic's pickup direction. Meanwhile, soundproof cotton is attached to the top of the fan, so that the influence of fan noise on mic pickup is avoided.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides a heat radiation module, its setting is in electronic equipment's inside, is located equipment air outlet one side, the air outlet has the curved surface structure, a serial communication port, heat radiation module includes a plurality of heat radiation fins, its range set up with the position that the air outlet is relative, a plurality of heat radiation fins's one end is the arc structure, the arc structure with the curved surface structure phase-match of equipment air outlet, and with the air outlet sets up with the mode of laminating.

2. The heat dissipation module of claim 1, wherein a spacing between adjacent ones of the heat dissipation fins is 1.6mm, and a maximum length of each of the heat dissipation fins is 47 mm.

3. The heat dissipation module of claim 1, further comprising a fan located at another end of the plurality of heat dissipation fins.

4. The heat dissipation module of claim 3, wherein the fan and the plurality of heat dissipation fins are located below a microphone of the electronic device.

5. The heat dissipation module of claim 4, wherein the fan is configured to draw air downward.

6. The heat dissipating module of claim 5, wherein the outlet of the fan is inclined at an angle toward the outlet of the fins.

7. The heat dissipating module of claim 4, further comprising a plurality of acoustic wool positioned on top of the fan and/or the plurality of heat dissipating fins.

8. The heat dissipating module of claim 4, further comprising sound-deadening cotton integrally provided with the fan and the tops of the plurality of heat dissipating fins.

9. A microphone arrangement, characterized by comprising a heat sink module according to any one of claims 1 to 8.