CN205281316U - Fan unit and notebook computer - Google Patents
Fan unit and notebook computer Download PDFInfo
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- CN205281316U CN205281316U CN201520912064.9U CN201520912064U CN205281316U CN 205281316 U CN205281316 U CN 205281316U CN 201520912064 U CN201520912064 U CN 201520912064U CN 205281316 U CN205281316 U CN 205281316U
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Abstract
The utility model discloses a fan unit and notebook computer. Relate to electronic equipment technical field. The utility model discloses a main technical scheme does: this fan unit is including first casing, the second casing, set up in in the first casing, be provided with a plurality of first amortization through -holes on the second casing, the fan body, set up in in the second casing, wherein, a plurality of on the second casing the place of first amortization through -hole regional with the clearance has between the first casing. The utility model discloses mainly used reduces the noise of fan.
Description
Technical field
The utility model relates to technical field of electronic equipment, particularly relates to a kind of fan device and notebook computer.
Background technology
At present, notebook computer is little and be convenient to features such as carrying with its volume, has become people's work entertainment than one of indispensable electronics.
Fan is the crucial thermal component of notebook computer, longer when the duration of service of notebook computer, or when user operates relatively large software on computers, the thermal value of notebook computer can increase, and fan can improve revolution automatically according to the heat of computer, to increase heat radiation air quantity, high revolution will certainly add the noise of big fan, it may also be useful to family in-convenience in use.
Practical novel content
In view of this, the utility model embodiment provides a kind of fan device and notebook computer, and main purpose reduces the noise of fan, it may also be useful to family uses convenient.
For achieving the above object, the utility model mainly provides following technical scheme:
On the one hand, the utility model embodiment provides a kind of fan device, comprising:
First housing;
2nd housing, is arranged in described first housing, and described 2nd housing is provided with multiple first noise reduction through hole;
Fan body, is arranged in described 2nd housing;
Wherein, between the region of the multiple described first noise reduction through hole on described 2nd housing and described first housing, there is gap.
Specifically, described 2nd housing has the first cover plate being oppositely arranged and the 2nd cover plate, and the side plate being connected between described first cover plate and described 2nd cover plate;
Described first cover plate, described 2nd cover plate and described side plate are provided with multiple described first noise reduction through hole.
Specifically, multiple described first noise reduction through hole is uniformly distributed along described first cover plate, described 2nd cover plate and described side plate respectively.
On the other hand, the utility model embodiment still provides a kind of notebook computer, comprises above-mentioned fan device;
Described notebook computer also comprises main frame, and the shell of described main frame is as described first housing.
Further, being also provided with heat radiation part in described first housing, described heat radiation part is connected with described 2nd housing, and described heat radiation part has multiple spaced apart heat radiating fin sheet;
Heat radiating fin sheet described in each is provided with multiple 2nd noise reduction through hole.
Specifically, multiple described 2nd noise reduction through hole is uniformly distributed along heat radiating fin sheet described in each.
Specifically, the percentage of perforation of described 2nd housing and described heat radiation part is all less than or equals 50%.
Specifically, the shape of described first noise reduction through hole and described 2nd noise reduction through hole is circular.
Specifically, the diameter of described first noise reduction through hole and described 2nd noise reduction through hole is less than or equals 1mm.
Specifically, described 2nd housing and described heat radiation part are made by metal material;
The thickness of described 2nd housing and described heat radiating fin sheet is all less than or equals 1mm.
By technique scheme, the utility model fan device and notebook computer at least have following useful effect:
The technical scheme that the utility model embodiment provides, by arranging the 2nd housing in the first housing, and the 2nd arrange multiple first noise reduction through hole on housing, this the first noise reduction through hole can be designed to small aperture, owing to there is gap between the region of the first noise reduction through hole multiple on the 2nd housing and the first housing, this gap forms cavity, enable the outside of multiple first noise reduction through hole leave certain thickness gas cloud in cavity, so just make the air column of this gas cloud and each the first noise reduction through hole constitute microwell plate sound absorption structure. when the fan body being positioned at the 2nd housing is reported raising and is sent noise, the vibration of sound wave makes the air vibration in each first noise reduction through hole, and the hole wall with each the first noise reduction through hole rubs, friction hinders the hole wall place air near each the first noise reduction through hole and produces vibration, acoustic energy is made to be converted into heat energy, make acoustic attenuation, therefore, the fan device that the utility model embodiment provides, can dampen fan body sends well noise sound wave, thus reduce the noise that fan body improves and send owing to reporting, make the use of user convenient.
Accompanying drawing explanation
The structural representation of the first shell of a kind of fan device that Fig. 1 provides for the utility model embodiment;
The structural representation that in a kind of fan device that Fig. 2 provides for the utility model embodiment, fan body is arranged in the 2nd shell;
Fig. 3 is the structural representation of the first cover plate of the 2nd shell in Fig. 2;
Fig. 4 is the structural representation of the 2nd cover plate of the 2nd shell in Fig. 2;
Fig. 5 is the structural representation of the side plate of the 2nd shell in Fig. 2;
Dispel the heat in a kind of notebook computer that Fig. 6 provides for the utility model embodiment the structural representation of part;
Fig. 7 is the structural representation of heat radiating fin sheet of part of dispelling the heat in Fig. 6.
Embodiment
It is reach technique means and effect that predetermined practical novel object is taked for further setting forth the utility model, below in conjunction with accompanying drawing and better embodiment, to according to the embodiment of the fan device of the utility model application and notebook computer, structure, feature and effect thereof, it is described in detail as follows. In the following description, the not necessarily same embodiment that different " embodiments " or " embodiment " refers to. In addition, the special characteristic in one or more embodiment, structure or feature can be combined by any suitable form.
At present, notebook computer is little and be convenient to features such as carrying with its volume, has become people's work entertainment than one of indispensable electronics.
Fan is the crucial thermal component of notebook computer, longer when the duration of service of notebook computer, or when user operates relatively large software on computers, the thermal value of notebook computer can increase, and fan can improve revolution automatically according to the heat of computer, to increase heat radiation air quantity, high revolution will certainly add the noise of big fan, it may also be useful to family in-convenience in use.
For solving the problem, the utility model embodiment provides a kind of fan device, as depicted in figs. 1 and 2, comprises the first housing 1; 2nd housing 2, is arranged in described first housing 1, and described 2nd housing 2 is provided with multiple first noise reduction through hole 21; Fan body 3, is arranged in described 2nd housing 2; Wherein, between the region of the multiple described first noise reduction through hole 21 on described 2nd housing 2 and described first housing 1, there is gap.
The present embodiment is specifically described by working process and principle below by fan device. the fan device that the utility model embodiment provides can be applied to notebook computer, for notebook computer provides heat radiation condition, 2nd housing 2 of this fan device arranges multiple first noise reduction through hole 21, the shape of this first noise reduction through hole 21 can be circular, and diameter can be less than or equal 1 millimeter, even if the 2nd housing 2 forms microwell plate, and the 2nd multiple first noise reduction through holes 21 on housing 2 region and the first housing 1 between there is gap, this gap can be stored certain thickness gas cloud, structure design like this, the air column of this gas cloud and each the first noise reduction through hole is made to form microwell plate sound absorption structure, and then make the first housing 1 of fan device and the 2nd housing 2 form micro-perforated plate muffler. when the thermal value of notebook computer increases, make when reporting raising of fan body 3, the sound wave of the noise of fan body 3 produces vibration, the air motion caused on the 2nd housing 2 in each first noise reduction through hole 21, the air of motion and the hole wall of each the first noise reduction through hole 21 produce friction, and rub and hinder the vibration of the air near each the first noise reduction through hole 21 place, make acoustic energy be converted into heat energy and dissipate, thus make acoustic attenuation, reduce the noise of fan body 3. wherein, can by the diameter of adjustment the first noise reduction through hole 21, and the condition such as size size in gap between the first noise reduction through hole 21 region and the first housing 1 on adjustment the 2nd housing 2, adjust the acoustic attenuation degree that fan body 3 sends noise, to regulate the degree reducing fan body 3 noise, the diameter of the first noise reduction through hole 21 and the size size in described gap can be determined according to practical situation.
The fan device that the utility model embodiment provides, by arranging the 2nd housing in the first housing, and the 2nd arrange multiple first noise reduction through hole on housing, this the first noise reduction through hole can be designed to small aperture, owing to there is gap between the region of the multiple first noise reduction through holes on the 2nd housing and the first housing, this gap forms cavity, enable the outside of multiple first noise reduction through hole leave certain thickness gas cloud in cavity, so just make the first housing and the 2nd housing constitute microwell plate sound absorption structure. When the fan body being positioned at the 2nd housing is reported raising and is sent noise, the vibration of sound wave makes the air vibration in each first noise reduction through hole, and the hole wall with each the first noise reduction through hole rubs, friction hinders the hole wall place air near each the first noise reduction through hole and produces motion, acoustic energy is made to be converted into heat energy, make acoustic attenuation, reduce the noise of fan body. Therefore, the fan device that the utility model embodiment provides, it is possible to the noise sound wave that dampen fan body sends well, thus reduce the noise that fan body improves and send owing to reporting, it may also be useful to the use at family is convenient.
In order to improve the ability of the reduction noise to fan body 3, see Fig. 2 to Fig. 5, the 2nd housing 2 has the first cover plate 22 and the 2nd cover plate 23 that are oppositely arranged, and the side plate 24 being connected between the first cover plate 22 and the 2nd cover plate 23, first cover plate 22, the 2nd cover plate 23 and side plate 24 are provided with multiple described first noise reduction through hole 21. 2nd housing 2 of fan device is by the first cover plate 22, 2nd cover plate 23 and side plate 24 are formed, at the first cover plate 22, 2nd cover plate 23 and side plate 24 all arrange aforesaid first noise reduction through hole 21, add the region area of the first noise reduction through hole 21, owing to there is gap between the region of the multiple first noise reduction through holes 21 on the 2nd housing 2 and the first housing 1, when at the first cover plate 22, after 2nd cover plate 23 and side plate 24 are provided with the first noise reduction through hole 21, namely the first cover plate 22 is represented, multiple first noise reduction through hole 21 region on 2nd cover plate 23 and side plate 24 and between the first housing 1, all there is gap, namely this gap forms cavity, the outside of multiple first noise reduction through hole 21 is enable to leave thicker gas cloud in cavity, improve the acoustical absorptivity of microwell plate sound absorption structure, when the vibration that the noise sound wave of fan body 3 produces, make to be positioned at the first cover plate 22, the air near the hole wall place of the first noise reduction through hole 21 on 2nd cover plate 23 and side plate 24 all vibrates, and the hole wall with each the first noise reduction through hole 21 rubs, the friction of this kind of air and hole wall is made to hinder the air at the hole wall place near each the first noise reduction through hole 21 to produce motion, major part acoustic energy is made to be converted into heat energy, sound wave is decayed greatly, further reduce the noise of fan body 3, thus enter a noise reducing fan body 3 and improving and send owing to reporting, make the use of user convenient.
In order to improve fan device to the ability of the reduction noise of fan body 3, multiple first noise reduction through hole 21 is uniformly distributed along the first cover plate 22, described 2nd cover plate 23 and side plate 24 respectively. Multiple first noise reduction through hole 21 is distributed on the first cover plate 22, described 2nd cover plate 23 and side plate 24 uniformly, is conducive to the absorption to fan body 3 acoustic energy.
The utility model embodiment still provides a kind of notebook computer, comprises fan device, and this fan device comprises the first housing 1; 2nd housing 2, is arranged in described first housing 1, and described 2nd housing 2 is provided with multiple first noise reduction through hole 21; Fan body 3, is arranged in described 2nd housing 2; Wherein, between the region of the multiple described first noise reduction through hole 21 on described 2nd housing 2 and described first housing 1, there is gap. This notebook computer also comprises main frame, and the shell of main frame is as the first housing 1.
The notebook computer that the utility model embodiment provides, comprise fan device, this fan device by arranging the 2nd housing in the first housing, and the 2nd arrange multiple first noise reduction through hole on housing, this the first noise reduction hole can be designed to small aperture, owing to there is gap between the region of the multiple first noise reduction through holes on the 2nd housing and the first housing, namely this gap forms cavity, the outside of multiple first noise reduction through hole is enable to leave certain thickness gas cloud in cavity, the first housing and the 2nd housing is so just made to constitute microwell plate sound absorption structure. when the fan body being positioned at the 2nd housing is reported raising and is sent noise, the vibration of sound wave makes the air vibration in each first noise reduction hole, and the hole wall with each the first noise reduction hole rubs, the air that friction hinders the hole wall place near each the first noise reduction hole produces motion, part acoustic energy is made to be converted into heat energy, make acoustic attenuation, reduce the noise of fan body. therefore, the fan device that the utility model embodiment provides, it is possible to the noise sound wave that dampen fan body sends well, thus reduce the noise that fan body improves and send owing to reporting, it may also be useful to the use at family is convenient. in addition, current notebook computer is just towards more lightening trend development, with meet further notebook computer be convenient to carry and the requirement such as exquisiteness is attractive in appearance, and the internal space of lightening notebook computer will become more and more less, therefore, for the heat dissipation problem of fan, the heat radiation mode adding heat sink material in the inside of notebook computer almost becomes impossible. and the notebook computer that the utility model embodiment provides, comprise aforesaid fan device and main frame, wherein, the shell of main frame is as the first housing of fan device, it is arranged in the first housing with the 2nd housing of multiple first noise reduction through hole, this the first noise reduction through hole can be designed to small aperture, and fan body is arranged in the 2nd housing, and the 2nd multiple first noise reduction through holes on housing region and the first housing between there is gap, thus make between the first housing and the 2nd housing, to form microwell plate sound absorption structure, even if forming microwell plate sound absorption structure between the shell of notebook host and the shell of fan body, absorb the noise sound wave of fan body, and the computer in notebook does not add any parts, also the size size of notebook computer is not changed, the existing parts in notebook computer are only utilized to realize the decrease of noise functions to fan body, more meet the development trend that notebook computer is lightening instantly. and in current most of notebook computers, in order to meet requirement attractive in appearance, the ventilation fan mouth at the host housing back side is cancelled, this also further increases the sound absorption function of aforesaid microwell plate sound absorption structure, thus reduce further the noise that fan body improves and send owing to reporting, it may also be useful to the use at family is convenient.
Further, see Fig. 6 and Fig. 7, being also provided with heat radiation, 4 in the shell of this notebook computer, heat radiation part 4 is connected with the 2nd housing 2, and heat radiation part 4 has multiple spaced apart heat radiating fin sheet 41; Each heat radiating fin sheet 41 is provided with multiple 2nd noise reduction through hole 411. Notebook computer arranges heat radiating fin sheet heat radiator, it is possible to use in this heat radiation part 4, the shape of heat radiating fin sheet 41 strengthens heat radiation area, is beneficial to heat loss through radiation and heat loss through convection. Each heat radiating fin sheet 41 of heat radiation part 4 arranges multiple 2nd noise reduction through hole 411,2nd noise reduction through hole 411 can be designed to small aperture, make between the air column of the 2nd noise reduction through hole 411 on heat radiation part 4 and each heat radiating fin sheet 41, or the gas cloud between heat radiating fin sheet and the first housing 1 forms microwell plate sound absorption structure, namely dispel the heat part and computer host housing formation micro-perforated plate muffler, owing to microwell plate sound absorption structure has done more careful description in the foregoing embodiments, repeat no more here.
In order to improve the ability of the reduction noise to fan body 3, multiple 2nd noise reduction through hole 411 is uniformly distributed along each heat radiating fin sheet 41. Multiple 2nd noise reduction through hole 411 is evenly distributed on each heat radiating fin sheet 41, is conducive to heat radiation part to the absorption of fan body 3 acoustic energy.
Specifically, the 2nd housing 2 is all less than with the percentage of perforation of heat radiation part 4 or equals 50%. " percentage of perforation " herein can be interpreted as: the ratio of the total area of the first noise reduction through hole 21 on the 2nd housing 2 and the total area of the 2nd housing 2, and the ratio of the area of the total area of the 2nd noise reduction through hole 411 dispelled the heat on part 4 heat radiating fin sheet 41 and heat radiation part 4. It is set as all being less than or equaling 50% by the percentage of perforation of the 2nd housing 2 with heat radiation part 4, is conducive to the absorption to fan body 3 acoustic energy.
Specifically, the shape of the first noise reduction through hole 21 and the 2nd noise reduction through hole 411 is preferably circular, and the diameter of the first noise reduction through hole 21 and the 2nd noise reduction through hole 411 is preferably less than or equals 1mm, is beneficial to the absorption to fan body 3 acoustic energy.
Specifically, 2nd housing 2 and heat radiation part 4 are made by metal material, such as, can adopt stainless steel, to improve the character such as it is heat-resisting and corrosion-resistant, and the thickness of the 2nd housing 2 and heat radiating fin sheet 41 is preferably all less than or equals 1mm, it is beneficial to the absorption to fan body 3 acoustic energy.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model. Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1. a fan device, it is characterised in that, comprising:
First housing;
2nd housing, is arranged in described first housing, and described 2nd housing is provided with multiple first noise reduction through hole;
Fan body, is arranged in described 2nd housing;
Wherein, described 2nd housing has gap between the region of multiple described first noise reduction through hole and described first housing.
2. fan device according to claim 1, it is characterised in that,
Described 2nd housing has the first cover plate being oppositely arranged and the 2nd cover plate, and the side plate being connected between described first cover plate and described 2nd cover plate;
Described first cover plate, described 2nd cover plate and described side plate are provided with multiple described first noise reduction through hole.
3. fan device according to claim 2, it is characterised in that,
Multiple described first noise reduction through hole is uniformly distributed along described first cover plate, described 2nd cover plate and described side plate respectively.
4. a notebook computer, it is characterised in that, comprising:
Fan device as claimed any one in claims 1 to 3;
Described notebook computer also comprises main frame, and the shell of described main frame is as described first housing.
5. notebook computer according to claim 4, it is characterised in that,
Also being provided with heat radiation part in described first housing, described heat radiation part is connected with described 2nd housing, and described heat radiation part has multiple spaced apart heat radiating fin sheet;
Heat radiating fin sheet described in each is provided with multiple 2nd noise reduction through hole.
6. notebook computer according to claim 5, it is characterised in that,
Multiple described 2nd noise reduction through hole is uniformly distributed along heat radiating fin sheet described in each.
7. notebook computer according to claim 5 or 6, it is characterised in that,
The percentage of perforation of described 2nd housing and described heat radiation part is all less than or equals 50%.
8. notebook computer according to any one of claim 5 or 6, it is characterised in that,
The shape of described first noise reduction through hole and described 2nd noise reduction through hole is circular.
9. notebook computer according to claim 8, it is characterised in that,
The diameter of described first noise reduction through hole and described 2nd noise reduction through hole is less than or equals 1mm.
10. notebook computer according to any one of claim 5 or 6 or 9, it is characterised in that,
Described 2nd housing and described heat radiation part are made by metal material;
The thickness of described 2nd housing and described heat radiating fin sheet is all less than or equals 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912064.9U CN205281316U (en) | 2015-11-16 | 2015-11-16 | Fan unit and notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912064.9U CN205281316U (en) | 2015-11-16 | 2015-11-16 | Fan unit and notebook computer |
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| Publication Number | Publication Date |
|---|---|
| CN205281316U true CN205281316U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520912064.9U Active CN205281316U (en) | 2015-11-16 | 2015-11-16 | Fan unit and notebook computer |
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| CN (1) | CN205281316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035791A (en) * | 2017-11-27 | 2018-05-15 | 三汽车制造有限公司 | A kind of wind scooper, engine and power-equipment |
| CN116048194A (en) * | 2022-07-07 | 2023-05-02 | 荣耀终端有限公司 | Notebook computer |
-
2015
- 2015-11-16 CN CN201520912064.9U patent/CN205281316U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035791A (en) * | 2017-11-27 | 2018-05-15 | 三汽车制造有限公司 | A kind of wind scooper, engine and power-equipment |
| CN116048194A (en) * | 2022-07-07 | 2023-05-02 | 荣耀终端有限公司 | Notebook computer |
| CN116048194B (en) * | 2022-07-07 | 2024-03-19 | 荣耀终端有限公司 | Notebook computer |
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