CN104615219A - Filtering noise reduction assembly, cooling module comprising the same and portable electronic apparatus - Google Patents
Filtering noise reduction assembly, cooling module comprising the same and portable electronic apparatus Download PDFInfo
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- CN104615219A CN104615219A CN201310541146.2A CN201310541146A CN104615219A CN 104615219 A CN104615219 A CN 104615219A CN 201310541146 A CN201310541146 A CN 201310541146A CN 104615219 A CN104615219 A CN 104615219A
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- assembly
- portable electronic
- noise abatement
- electronic equipment
- abatement assembly
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
Abstract
The invention relates to a filtering noise reduction assembly, a cooling module comprising the same and a portable electronic apparatus. The cooling module of the portable electronic apparatus comprises an active cooling assembly, a passive cooling assembly and a filtering noise reduction assembly, wherein the active cooling assembly comprises an air outlet and an air inlet; the passive cooling assembly is arranged near the air outlet of the active cooling assembly; and the filtering noise reduction assembly is arranged corresponding to the air inlet of the active cooling assembly and is non-woven fabric of which the average aperture is less than 40<mu>m to filter airflow which enters the active cooling assembly and lower noise by at least two 2dBA.
Description
Technical field
The application relates to a kind of filtration noise abatement assembly, comprise radiating module and the electronic installation (electronic apparatus) of described filtration noise abatement assembly, espespecially one is applied to the filtration noise abatement assembly of portable electronic equipment (portable electronic apparatus), comprises the radiating module of described filtration noise abatement assembly and has the portable electronic equipment of described radiating module.
Background technology
As portable electronic equipment (portable electronic apparatus), as mobile computer (portable computer) or ultra-thin mobile computer in use, its central processing unit (Central Processing Unit, etc. CPU) assembly produces heat energy because of running, all be configured with radiating module with mobile computer and ultra-thin mobile computer, it comprises heating radiator and fan, the heat energy that CPU produces is taken away from CPU by heating radiator, the air-flow of portable electronic equipment outside then introduced by fan, to assist radiator heat-dissipation, thus avoid CPU overheated and make mobile computer or ultralight slim mobile computer cannot normal operation.
But the air-flow that fan is introduced often is attended by dust, amasss in radiating module when dust is old, just can affects airflow circulating and reduce the usefulness of radiating module.The radiating module part of existing portable electronic equipment can add joins plastic filter screen sheet, but it cannot overcome the problem that dust enters radiating module, carrying out improving heat radiation efficiency, just needing disassemble radiating module and have operational inconvenience to the dust by removing deposition.In addition, plastic filter screen also can derive the problem of noise.
A kind of computing machine Dustproofing radiating system mentioned by Taiwan Patent numbering I298618 file, it has dust cover and filter screen, dust cover can be installed to easily on cabinet and also can disassemble from cabinet to clean easily, to avoid destroying electronic package in computer cabinet.And following file is the filter house about main equipment: Taiwan Patent numbering 201117875 file and Chinese patent numbering 1913948 file relate separately to and be a kind ofly positioned over the filter assemblies of electronic installation on outdoor mixed earth plate and the composite sheet of closed-type device, and it is all made up of sandwich construction; Chinese patent numbering 102388684 file address electronic equipment cabinet arrange non fabric filtration net as microlayer model mend obtain device; Jap.P. numbering 2007222813 file is the sedimeter about a kind of adhesive-bonded fabric; Jap.P. numbering 2009256815 file is that it has good ductility about a kind of antistatic behaviour long fibre, is suitable as padded coaming, electronic installation pallet or carrier band and uses.
Summary of the invention
Because the structure of portable electronic equipment is frivolous, therefore how to take into account heat radiation and dust-proof effect and control radiating efficiency and to reduce noise quite important.This application provides a kind of filtration noise abatement assembly, it can be taken into account the heat radiation of portable electronic equipment simultaneously and possess the effect of noise-decreasing, more can reduce the weight of portable electronic devices, to reach portable electronic equipment rapid heat dissipation, peace and quiet and the demand such as frivolous simultaneously.
For reaching above-mentioned purpose, the application provides a kind of portable electronic equipment radiating module, comprising: active heat removal assembly, and it comprises air outlet and air intake vent; Passive radiating subassembly, its air outlet being adjacent to described active heat removal assembly is arranged; Filter noise abatement assembly, its described air intake vent corresponding to active heat removal assembly is arranged, and filtering noise abatement assembly is the adhesive-bonded fabric that average pore size is not less than 40um, to filter the air-flow that enters active heat removal assembly and to reduce the noise of at least 2dBA.
For reaching above-mentioned purpose, the application separately provides a kind of and filters noise abatement assembly, and it is not less than the adhesive-bonded fabric of 40um for average pore size, reduces the noise of at least 2dBA with the air-flow filtered for entering described portable electronic equipment radiating module.
For reaching above-mentioned purpose, the application provides again a kind of portable electronic equipment, comprising: housing, and described housing comprises the first opening and at least one second opening; Radiating module, it to be placed in housing and to comprise: active heat removal assembly, and it comprises air outlet and air intake vent; Passive radiating subassembly, its air outlet being adjacent to active heat removal assembly is arranged; Filter noise abatement assembly, its air intake vent corresponding to active heat removal assembly is arranged, and filtering noise abatement assembly is the adhesive-bonded fabric that average pore size is not less than 40um, to filter the air-flow entering active heat removal assembly, and reduces the noise of at least 2dBA.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the portable electronic equipment of the application one preferred embodiment.
Fig. 2 is the photo of the filter effect of the embodiment of the present application 10 and comparative example reality.
[primary clustering symbol description]
1 portable electronic equipment
11 housings
1111 first openings
1112 second openings
12 radiating modules
121 active heat removal assemblies
1211 air intake vents
1212 air outlets
122 passive radiating subassemblies
123 filter noise abatement assembly
124 heat-conductive assemblies
125 thermal interfacial materials
13 heat generating unit
14 stick together medium
Embodiment
Refer to Fig. 1, it is the schematic diagram of the portable electronic equipment of the application one preferred embodiment.As shown in Figure 1, portable electronic equipment 1 comprises housing 11 and radiating module 12, and in the present embodiment, portable electronic equipment 1 can be mobile computer, but not as limit, it also can be other as flat computer (tablet) etc. the portable electronic equipment of radiating requirements.Radiating module 12 is placed in housing 11, and comprises active heat removal assembly 121, passive radiating subassembly 122 and filter noise abatement assembly 123.In the present embodiment, active heat removal assembly 121 can be fan, it includes air port 1211 and air outlet 1212, the air intake vent 1211 that filtration noise abatement assembly 123 corresponds to active heat removal assembly 121 is arranged, air outlet 1212 place being adjacent to active heat removal assembly 121 then correspondence is provided with passive radiating subassembly 122, it can be the heating radiator comprising multiple fin, but not as limit.In addition, portable electronic equipment 1 comprises heat generating unit 13 further, and heat generating unit 13 can be the unit that central processing unit (central process unit, CPU), internal memory or display chip equal to produce when portable electronic equipment 1 operates heat energy.
Avoid portable electronic equipment 1 cannot operate because of heat history to more effectively be removed by the heat energy of heat generating unit 13, the radiating module 12 of portable electronic equipment 1 can comprise heat-conductive assembly 124 further, such as: heat pipe, but not as limit, heat energy is sent to passive heat radiation assembly by any assistance, all can as the heat-conductive assembly 124 of the application.One end of heat-conductive assembly 124 by thermal interface material 125, such as: heat-conducting glue, heat-conducting cream, heat conduction adhesive tape etc., contact with heat generating unit 13, heat-conductive assembly 124 then contacts with passive heat radiation assembly 122 relative to the other end contacted with heat generating unit 13.
Referring again to Fig. 1, radiating module 12 also comprises filtration noise abatement assembly 123, in the present embodiment, filters noise abatement assembly 123 and can be adhesive-bonded fabric, its average pore size is not less than 40um in fact, and filters the air intake vent 1211 that noise abatement assembly 123 corresponds to active heat removal assembly 121 and arrange.Generally speaking, the particle diameter of dust is approximately 100um (glossary ofatmospheric chemistry terms (IUPAC1990)), so that the dust of portable electronic equipment 1 may be entered in order to effectively filter, the average pore size of filtering noise abatement assembly 123 is good with 40-100um in fact again, and its unit weight is in fact to be less than or equal to 30g/m
2for good.In certain embodiments, filter noise abatement assembly 123 and can comprise at least one functional aid further, functional aid can be selected from fire retardant, hydrophobing agent, antistatic agent one or more, but its kind there is no limited, for example: fire retardant is optional takes advantage of fire retardant altogether from the phosphorus flame retardants such as organic phosphate derivative or nitrogen phosphorus, hydrophobing agent can be selected from fluoride hydrophobing agent, and antistatic agent can be selected from imidazoline ammonium salt or negative ion porous material, certainly, it also can select several functions auxiliary agent on demand.But should understand, functional aid is not limited with above-mentioned fire retardant, hydrophobing agent and/or antistatic agent, and the selecting also without limited of various functional aid.When adding functional aid, the ratio of fire retardant can be 6-15%, such as: 6%, 8%, 10% or 15%, be wherein good with 10-15% again, the ratio of hydrophobing agent can be 1-2%, such as: 1%, 1.5% or 2%, be wherein good with 1% again, to avoid the filtration noise abatement assembly containing hydrophobing agent to be attached at housing, and the ratio of antistatic agent can be 0.4-1.1%, such as: 0.4%, 1% or 1.1%, be wherein good with 1% again.And when functional aid comprises fire retardant, hydrophobing agent and antistatic agent simultaneously, its ratio can be 10:1:1-15:1:1, be able to functional aid is applied over equably on filtration noise abatement assembly to configure the functional aid of clarification.
Referring again to Fig. 1, housing 11 comprises the first opening 1111 and one second opening 1112, wherein the first opening 1111 can be the through hole of the air intake vent 1211 of corresponding active heat removal assembly 121, second opening 1112 can be used as the thermal vias of housing 11, can drawing through active heat removal assembly 121 with the air-flow of housing 11 outside, enter housing 1 through the first opening 1111 and utilized by radiating module 12, and by the second opening 1112, used heat being discharged housing 11.Noise abatement assembly 123 is filtered in order to firmly arrange, in certain embodiments, can adopt and stick together medium 14 filtration noise abatement assembly 123 is sticked on the housing 11 of portable electronic equipment 1, and be good with the first opening 1111 that complete covering shell 11 corresponds to air intake vent 1211, the air intake vent 1211 making filtration noise abatement assembly 123 really can correspond to active heat removal assembly 121 is arranged.And when filtering noise abatement assembly 123 with functional aid process, such as: hydrophobing agent and/or antistatic agent, because the character of surface of filtering noise abatement assembly 123 changes, therefore, sticking together medium 14 can select viscosity to be greater than 0.09Kgf/10mm person, noise abatement assembly 123 is filtered so that fixing, pressure-sensing glue or hot melt adhesive is can be as sticking together medium 14, it there is no limited, again because portable electronic equipment 1 is in time operating, its range of temperature is large, therefore stick together medium 14 optional in order to frequency 1Hz in storage modulus circle of 25 DEG C-100 DEG C at 1*10
4-1*10
5person, and in order to process convenience, sticks together medium 14 and is not less than 1*10 with frequency 1Hz in fact in the loss modulus of 25 DEG C again
5person is good.In addition, owing to filtering noise abatement assembly 123 close attachment on housing 1, and filtration noise abatement assembly 123 is made up of the adhesive-bonded fabric material of softness, it has flexible cellular structure, and arrange corresponding to active heat removal assembly 121, therefore filtering noise abatement assembly 123 can the noise that is produced by active heat removal assembly 121 of assist absorption part, by the flexible degree of tightness sound wave energy that loss is imported into internal friction of porous structure, moreover, because filtration noise abatement assembly 123 is made up of the adhesive-bonded fabric material of softness, therefore its vibrations can lowered between housing 1 are collided, thus the overall noise reducing portable electronic equipment 1.In certain embodiments, the noise at least 2dBA that noise abatement assembly 123 can reduce portable electronic equipment 1 is filtered.
And when portable electronic equipment l operates, heat generating unit 13 produces heat energy because of start, heat energy can pass through thermal interface material 125, heat-conductive assembly 124 and be sent to passive radiating subassembly 122, again through the start of active heat removal assembly 121, air-flow can be drawn from the first opening 1111 of housing 11, and due to air intake vent 1211 place of corresponding active heat removal assembly 121, that is the first opening 1111 place of corresponding housing 11 filters noise abatement assembly 123 to cover, therefore dust can be effectively avoided to enter housing 11 through drawing of active heat removal assembly 121, thus avoid dust accumulation between the air outlet 1212 and passive heat radiation assembly 122 of active heat removal assembly 121, the reduction of radiating efficiency is avoided to maintain airflow circulating, convection current and radiation is can pass through as the heat energy being sent to passive heat radiation assembly 122, dissipated to outside housing by multiple second opening 1112 on housing 1.In addition, due to the thin and light weight of the thickness filtering noise abatement assembly 123, more can the overall weight reducing portable electronic equipment 1, and be conducive to the slimming of portable electronic equipment 1.
But should understand, in certain embodiments, also optionally omit heat-conductive assembly 124 and thermal interface material 125, and utilize radiation mode that the heat energy of heat generating unit 13 is sent to passive radiating subassembly 122.In addition, in further embodiments, also optionally the second opening 1112 of housing 11 is also covered to filter noise abatement assembly 123.
Below will describe the application in detail with embodiment.
Embodiment 1 is for unit is heavily 30g/m
2polyester adhesive-bonded fabric (purchasing from Mei Jiamei international development incorporated company, Taiwan), separately with the screen cloth of polycarbonate (poly carbonate) (average pore size 180um, thickness 0.2mm) as comparative example.The test mode in its aperture to bedew with Galwick (surface tension 15.9Dynes/cm) with the above-mentioned sample of 3x3cm area and is placed in capillary flow assay instrument (purchased from Porous Materials Inc. (PMI), the U.S.) test chamber in, sealing test chamber, and nitrogen is drained to the sample back side, when gas can overcome the capillarity in the aperture of sample, liquid in hole is replaced by gas and bubble produces, with pressure be increased to the pertusate liquid of institute all dry time, the i.e. pore size distribution curve of derived sample, according to the average pore size of pore size distribution curve interpretation adhesive-bonded fabric and comparative example screen cloth as shown in following table one:
The average pore size of table one EXAMPLE l and comparative example
| Group | Embodiment 1 | Comparative example |
| Average pore size (um) | 40 | 180 |
The polycarbonate screen cloth that the adhesive-bonded fabric of embodiment 1 filters noise abatement assembly and comparative example is arranged on the housing of mobile computer, it pastes position is correspond to fan air intake vent, and measure the temperature of heat generating unit central processing unit (CPU), result is as shown in following table two:
Table two embodiment 1 and comparative example are applied to the radiating effect of central processing unit
| Ask during test (min) | Cpu temperature (DEG C) | Cpu power (W) | |
| Embodiment 1 | 55 | 70 | 22.4 |
| Comparative example | 15 | 69 | 22.5 |
From upper table two, after 55 minutes, the adhesive-bonded fabric that use average pore size is 40urn is as the embodiment 1 of filtering noise abatement assembly, and the result of its cpu temperature and comparative example gained after 15 minutes is only slightly high 1 DEG C.And from table one and table two, the filtration noise abatement assembly of embodiment 1 is unlikely to the heat radiation affecting central processing unit, and because its aperture is much smaller than the mean grain size 100um of dust, the effect of filter dust really can be reached.In addition should understand, because the unit weight of adhesive-bonded fabric is higher, its average pore size is less, and therefore, unit weight is less than or equal to 30g/m
2adhesive-bonded fabric also should can be applicable to the application as filtration noise abatement assembly.
Functional aid adds test: by adhesive-bonded fabric (A4 size, the 210*297mm of embodiment 1
2) with the functional aid process of following table three, the adhesive-bonded fabric of impregnation is placed in roller press drier Typ-Nr HVF 34594 (purchased from Mathis Co., Switzerland) 15 seconds, the pressure setting of picking up of roller is that 3Kg gets rid of unnecessary functional aid to extrude, the wet state of picking up making adhesive-bonded fabric is 115-135%, and adhesive-bonded fabric is placed in a cloth forming machine Rapid No.191 (purchased from Labortex Co., Ltd., Taiwan), in 160 DEG C of process 1 minute.
The functional aid proportioning of each embodiment of table three
| Embodiment group | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| Fire retardant A (1)(g) | 6 | 8 | 6 | 8 | 10 | 10 | 15 | 15 | ||
| Fire retardant B (2)(g) | 10 | 15 | ||||||||
| Hydrophobing agent A (3)(g) | 2 | 2 | l | l | ||||||
| Hydrophobing agent B (4)(g) | 2 | |||||||||
| Hydrophobing agent C (5)(g) | l | l | 1.5 | l | l | |||||
| Antistatic agent A (6)(g) | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | |||||
| Antistatic agent B (7)(g) | l | l | 1.1 | l | l | |||||
| Gross weight (g) is assigned to water | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
(1)fire retardant A:DFR, (5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl) methyl dimethylphosphonate P-oxide based flame retardant, purchased from Fuying Science and Technology Chemical Co., Ltd., Taiwan.
(2)fire retardant B:TTC, nitrogen-phosphorus synergistic flame retardant based flame retardant, purchased from Jia Fang Industrial Co., Ltd., Taiwan.
(3)hydrophobing agent A:PM-3633, Fluorochemical Polymer class hydrophobing agent, purchased from Minnesota Mining Industry and Manufacture Co., Ltd., Taiwan, Taiwan.
(4)hydrophobing agent B:PM-490, Fluorochemical Urethane class hydrophobing agent, purchased from Minnesota Mining Industry and Manufacture Co., Ltd., Taiwan, Taiwan.
(5)hydrophobing agent C:PM-1680, anionic fluorochemical emulsion class hydrophobing agent, purchased from purchased from Minnesota Mining Industry and Manufacture Co., Ltd., Taiwan, Taiwan.
(6)antistatic agent A:KL-15, Imidazoline ammonium class antistatic agent, purchased from Shang Chang enterprise stock company limited, Taiwan.
(7) antistatic agent B: Zerostat FC, Modified organic phosphorus compound (anionic base) class antistatic agent, purchased from Hensel ten thousand advanced material, Taiwan.
Prepare the common assorted dirt materials such as fiber, cotton-wool, hair and ash, and each embodiment adhesive-bonded fabric containing functional aid is attached at the fan (SFF21 of 1600rpm, Scythe Gentle Typhoon fan, Taiwan) on, test 10 minutes and the test findings (as shown in Table 4) of functional aid.
The antidusting effect of table four embodiment 2-11
Upper table a represents antidusting best results, and c representative reaches the antidusting effect identical with untreated embodiment 1.As shown in Table 4, add the group of antistatic agent, it can play better antidusting effect.
And embodiment 10 and comparative example are transferred to Forcecom (Hsinchu, Taiwan) test, 8 hours are tested with the central processing unit of 17W, use the described central processing unit of the radiating module of comparative example after 2 years through its assessment simulation, its temperature is approximately higher than the heat radiation group 10 DEG C of the adhesive-bonded fabric noise abatement filter assemblies using embodiment 10.As for the filter effect of embodiment 10 and comparative example reality as shown in the picture of Fig. 2.
Stick together dielectric testing: three groups of employing table five stick together medium, through the reciprocal roll extrusion of the rollers of 2 kilograms once, be of a size of A4size (210*297mm the one side of sticking together medium to be sticked in embodiment 10
2) adhesive-bonded fabric on, and the another side sticking together medium is sticked on the aluminum foil plate of 2mil, with the reciprocal roll extrusion of the roller of 5 kilograms once, makes adhesive-bonded fabric filter noise abatement assembly and to be attached on aluminum foil plate to obtain following examples 12-14.In left at room temperature 20 minutes and with material testing system (5581, Ying Shite Taiwan branch office, Taiwan) with the peeling rate of 305mm/min test T peeling force (T-peel force).
Table five embodiment 12-14's sticks together medium and is gentle and quiet T peeling force of putting 20 minutes
As shown in Table 5, after leaving standstill 20 minutes, three groups stick together the T peeling force that medium all can reach more than 0.09, filtration noise abatement assembly positively can be attached on object to be pasted.
Rheological analysis: with TA/AG2 flow graph (US business's water this, the U.S.) the filtration noise abatement assembly of embodiment 12-14 is attached on the thick sample holder of 1mm, and stick together the rheological characteristics of medium with each group of following condition test: sample holder is the flat shape aluminium sheet of 8mmETC; Probe temperature-20 DEG C ~ 125 DEG C; Temperature governing speed 3 DEG C/min; Control variable (Controllervariable) is 1% strain; Frequency 1Hz; Axial force (Axial force) 1.0N/sensitivity0.5N.And the rheological characteristics recorded as shown in Table 6.
The rheological characteristics of table six embodiment 12-14
As shown in Table 6, when being namely convenient to high temperature, each group of storage modulus sticking together medium is still stablized with loss modulus.In addition, room temperature cut stick together medium time, what embodiment 12 used sticks together medium because it loses modulus compared with the medium that sticks together of embodiment 13 and embodiment 14 is low, therefore the possibility of generation wire drawing (hairing) is had, no doubt embodiment 12 stick together the enforcement that medium can not affect the application, but store modulus when in order to process convenience, as shown in Table 6, sticking together medium again to select 25-50 DEG C and be not less than 1*10
5person is good.
Noise abatement is tested: adopt embodiment 14, the filtration noise abatement assembly being of a size of 45mm*45mm is attached on mobile computer, comparative example is then polycarbonate screen cloth (average pore size 180um, thickness 2mm), and with the minimizing of ISO7779 method test noise, found that, compare with comparative example, the level of noise of comparative example is 40dBA, and the level of noise adopting the adhesive-bonded fabric of embodiment 14 to filter noise abatement assembly gained is 38dBA, at least can reduce the noise of 2dBA.
Although foregoing has described the embodiment of the application, for the ordinary skill in the art, should understand and can carry out different changes under the principle and spirit of not de-the application, the scope of the application is by claim and equivalents thereof.
Claims (19)
1. a portable electronic equipment radiating module, comprising:
Active heat removal assembly, it comprises air outlet and air intake vent;
Passive radiating subassembly, its described air outlet being adjacent to described active heat removal assembly is arranged; With
Filter noise abatement assembly, its described air intake vent corresponding to described active heat removal assembly is arranged, and described filtration noise abatement assembly is the adhesive-bonded fabric that average pore size is not less than 40um, to filter the air-flow the noise reducing at least 2dBA that enter described active heat removal assembly.
2. portable electronic equipment radiating module as claimed in claim 1, average pore size circle of wherein said filtration noise abatement assembly is in 40um-100um.
3. portable electronic equipment radiating module as claimed in claim 1, the unit weight of wherein said filtration noise abatement assembly is less than or equal to 30g/m
2.
4. portable electronic equipment radiating module as claimed in claim 1, wherein said filter assemblies contains at least one functional aid, described functional aid be selected from fire retardant, hydrophobing agent, antistatic agent one or more.
5. portable electronic equipment radiating module as claimed in claim 1, it is placed in the housing of portable electronic equipment, and the described filtration noise abatement assembly of described portable electronic equipment radiating module is through and sticks together medium and be arranged on described housing.
6. portable electronic equipment radiating module as claimed in claim 1, it comprises heat-conductive assembly and thermal interface material further, wherein said heat-conductive assembly one end contacts with described passive radiating subassembly, the other end is through described thermal interface material and contacts with heat generating unit, is sent to described passive radiating subassembly with the heat energy produced by described heat generating unit.
7. portable electronic equipment radiating module as claimed in claim 1, wherein said passive radiating subassembly is heating radiator.
8. one kind is filtered noise abatement assembly, it is the radiating module being applicable to portable electronic equipment, described filtration noise abatement assembly is the adhesive-bonded fabric that average pore size is not less than 40um, to filter the air-flow the noise reducing at least 2dBA that enter described portable electronic equipment radiating module.
9. filtration noise abatement assembly as claimed in claim 8, average pore size circle of wherein said filtration noise abatement assembly is between 40-100um.
10. filtration noise abatement assembly as claimed in claim 8, the unit weight of wherein said filtration noise abatement assembly is less than or equal to 30g/m
2.
11. as claimed in claim 8 filter noise abatement assemblies, and it contains at least one functional aid, described functional aid be selected from fire retardant, hydrophobing agent, antistatic agent one or more.
12. 1 kinds of portable electronic equipments, comprising:
Housing, described housing comprises the first opening and the second opening;
Radiating module, it to be placed in described housing and to comprise:
Active heat removal assembly, it comprises air outlet and air intake vent;
Passive radiating subassembly, its described air outlet being adjacent to described active heat removal assembly is arranged; With
Filter noise abatement assembly, its described air intake vent corresponding to described active heat removal assembly is arranged, and described filtration noise abatement assembly is the adhesive-bonded fabric that average pore size is not less than 40um, to filter the air-flow entering described active heat removal assembly, and reduces the noise of at least 2dBA.
13. portable electronic equipments as claimed in claim 12, average pore size circle of wherein said filtration noise abatement assembly is in 40um-100um.
14. portable electronic equipments as claimed in claim 12, the unit weight of wherein said filtration noise abatement assembly is less than or equal to 30g/m
2.
15. portable electronic equipments as claimed in claim 12, wherein said filtration noise abatement assembly contains at least one functional aid, described functional aid be selected from fire retardant, hydrophobing agent, antistatic agent one or more.
16. portable electronic equipments as claimed in claim 12, wherein said filtration noise abatement assembly sticks together medium to be fixed on described housing.
17. portable electronic equipments as claimed in claim 12, wherein said radiating module comprises heat-conductive assembly and thermal interface material further, wherein said heat-conductive assembly one end contacts with described passive radiating subassembly, the other end is through described thermal interface material and contacts with the heat generating unit of described portable electronic equipment, is sent to described passive radiating subassembly with the heat energy produced by described heat generating unit.
18. portable electronic equipments as claimed in claim 12, wherein said passive radiating subassembly is heating radiator.
19. portable electronic equipments as claimed in claim 12, described first opening of the corresponding described housing of described air intake vent of wherein said active heat removal assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541146.2A CN104615219A (en) | 2013-11-05 | 2013-11-05 | Filtering noise reduction assembly, cooling module comprising the same and portable electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541146.2A CN104615219A (en) | 2013-11-05 | 2013-11-05 | Filtering noise reduction assembly, cooling module comprising the same and portable electronic apparatus |
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|---|---|
| CN104615219A true CN104615219A (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310541146.2A Pending CN104615219A (en) | 2013-11-05 | 2013-11-05 | Filtering noise reduction assembly, cooling module comprising the same and portable electronic apparatus |
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| CN101453861A (en) * | 2007-11-30 | 2009-06-10 | 英业达股份有限公司 | Heat radiating module |
| JP2013148240A (en) * | 2012-01-17 | 2013-08-01 | Taisei Corp | Air conditioner with incorporated silencer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040033367A (en) * | 2002-10-14 | 2004-04-28 | 위성동 | Apparatus and method for driving as regards forward operation of deviation of digital temperature control system |
| CN2699477Y (en) * | 2004-05-17 | 2005-05-11 | 华音电器股份有限公司 | Heat-pipe radiator construction |
| CN101238336A (en) * | 2005-09-02 | 2008-08-06 | 富士通株式会社 | Silencer and electronic device with the same |
| CN101453861A (en) * | 2007-11-30 | 2009-06-10 | 英业达股份有限公司 | Heat radiating module |
| JP2013148240A (en) * | 2012-01-17 | 2013-08-01 | Taisei Corp | Air conditioner with incorporated silencer |
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Application publication date: 20150513 |
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