CN207198729U - Low noise desk type computer main frame - Google Patents

Abstract

The utility model provides a kind of low noise desk type computer main frame, including mainboard, processor, internal memory, hard disk, power supply, and accommodate the cabinet of these parts, processor radiating uses air-cooled fin or fin slices radiator, cabinet, the cooling wind air inlet of power supply overlaps, power supply air outlet is towards in cabinet, power supply fan sucks wind is cooled down outside cabinet, it is located at the air outlet in cabinet through it after absorption power supply heating to be discharged into cabinet, at least a portion of discharge wind blows to processor heat sink, play removal radiator, the effect of the two temperature of the heat and control of processor, produced hot blast is drained into outside cabinet through cabinet exhaust outlet again.The desk computer eliminates the fan of processor heat sink and avoids its noise, and during the use of long period, main frame noise can be always held at reduced levels, allows user and surrounding people to be disturbed less by noise.

Description

Low noise desk type computer main frame

Technical field

Computer hardware field is the utility model is related to, specially a kind of low noise desk type computer main frame.

Background technology

Desk computer generally includes mainboard, processor, internal memory, hard disk, power supply, and accommodates the machine of these parts Case.With advances in technology, mainboard, the integrated level of processor and disposal ability have reached high level, such as many models Except the CPU with higher position reason ability in processor, the GPU for reaching entry level video card disposal ability is also integrated with（Core shows）； Except integrated network card, sound card on mainboard, the internal parts such as high-speed interface connection processor, internal memory, hard disk, video card are also equipped with, with And the interface of the part such as connection display, USB.Although notebook computer, two-in-one computer because it is portable, occupy little space be able to Tremendous expansion, but desktop computer because its easy care, easily upgrading, higher autgmentability, stability and be still widely used.

Except requiring for example high-end professional application of higher purposes, fantastic game, for other most of purposes, using such as Three generations's above Intel processor and supporting 7 serial above Intel chipset mainboards, additional DDR3 or DDR4 internal memories, machinery or Solid state hard disc and power supply, the desk computer of cabinet, you can the requirement in terms of the most of business of satisfaction or family expenses.Three generations, Four generations Intel processor application 22nm processing procedures, six generations above Intel processor application 14nm processing procedures, have generally merged CPU+ GPU, caloric value is relatively low but has higher performance.More cooked desk computer, such as apply the processor of 45nm processing procedures such as AMD athlon II X2 240 and Yi, a legendary monarch of Youqiong State in the xia Dynasty dragon II X4 905e, caloric value is relatively low, the mainboard of the onboard video card of adapted band, using great Rong Amount also generally has good usage experience such as DDR3 8G internal memories and solid state hard disc, during general service.

It is described by mainboard, processor, internal memory, hard disk and power supply, the desk computer of cabinet, use process at it In, a subject matter is noise, and bad impression can be brought to user and surrounding people.The noise is mostly derived from a high speed Processor fan, the power supply fan of rotation, and mechanical hard disk, the sometimes high-speed rotation of these parts and the resonance of cabinet also can Noise is produced, wherein processor fan, power supply fan is dominant noise source；Processor, power supply are the main hairs of the host computer Thermal source, if cost is higher by much if water cooling removes heat and control temperature by way of beyond fan.Power supply is commonly installed In the upper rear portion in cabinet, its fan sucks air stream from its underpart entrance, absorbs after its element heating by its rear portion air-out Mouth is expelled to outside cabinet, and the air inlet of cabinet can be located at rear lower or side lower part；After power supply can also be installed in cabinet Bottom, by air stream, portion's entrance sucks its fan from it, absorbs and is expelled to cabinet by its rear portion air outlet after its element heating Outside, the air inlet of cabinet is located at upper back or upper lateral part；Power supply fan is blown away except heat produced by power supply is run, will also be main Heat produced by the operation of the parts such as plate, processor, internal memory, hard disk is led to outside cabinet out of cabinet.The air-cooled radiator of processor It is general to be also required to configure fan.The effect of power supply fan, processor heat sink fan is to blow away heat, controls power supply interior element Temperature and temperature of processor be not exceeded as being less than 70 DEG C or other temperature values, to ensure the stabilization of each part, transport at a high speed OK.

When desk computer is installed or is bought, easily install or with the very low power supply of fan noise；With main frame Usage time is elongated, and such as after 1 year, 2 years, 3 years, 5 years, relative to power supply fan noise, the fan of processor air-cooled radiator is made an uproar Sound is usually easier that change is big, the problem except coming from fan quality itself in terms of difference, processor air-cooled radiator is not steady enough Fixed mounting structure is probably main cause.

Thus there are many exhausting air channels using power supply fan or air-flow, the trial of cooling treatment device radiator, to save Processor heat sink fan, avoids the fan noise of processor heat sink, one of method be in power supply fan air inlet and Connecting cylinder, connecting cylinder one end connection power supply fan air inlet are set between processor air-cooled radiator, and the other end connects or pressed close to place Device radiator is managed, plays a part of taking away processor heat sink heat, control processor temperature using the exhausting of power supply fan, keeps away The noise of processor heat sink fan is exempted from；But the subject matter that connecting cylinder is brought, it is in processor heat sink failure or temperature Be not easy after can not well controlling or the slightly differentiated processor heat sink of shape, size can not be used instead, and connecting cylinder deformation or It is damaged easily to cause processor and its radiator temperature to raise.

The desk computer, to ensure its operation stability, the power supply of generally use high nominal power, though such as Right main frame normal power consumption 100w or so or within, but the general power supply for matching somebody with somebody more than rated power 250w or even more than 300w, electricity The air quantity of source fan, blowing force and its surplus capacity are all larger, can also be met using air quantity during low voltage driving fan, blowing force Control the effect of power supply, processor and its radiator temperature.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of low noise desk type computer main frame, including mainboard, processing Device, internal memory, hard disk, power supply, and accommodate the cabinet of these parts；Processor radiating is radiated using air-cooled fin or fin Device；Cabinet has a cooling wind air inlet and at least one exhaust outlet；Cooling fan is set in power supply, and with cooling wind air intake Mouth and air outlet；Characterized in that, the power supply is installed on cabinet cooling wind air inlet, cabinet, the cooling wind air inlet of power supply Overlap, towards in cabinet, power supply fan sucks power supply air outlet by wind is cooled down outside cabinet, is located at after absorbing power supply heating through it Air outlet in cabinet is discharged into cabinet, and at least a portion for discharging wind blows to processor heat sink, is played and is removed radiator, place The effect of the two temperature of the heat and control of device is managed, produced hot blast is drained into outside cabinet through cabinet exhaust outlet again.

Low noise desk type computer main frame of the present utility model, the blowing of cooling wind airflow direction or fan wherein in power supply Direction on the contrary, be to suck air stream outside cabinet, flows through with prior art middle gauge desktop computer power supply such as ATX power supplys Power source internal and absorb its heating after, be discharged into through the power supply air outlet in cabinet in cabinet, discharge at least a portion of wind Processor heat sink is blowed to, plays a part of removing radiator, the heat of processor and temperature both control, produced hot blast is again Drained into through cabinet exhaust outlet outside cabinet.The heating of mainboard, internal memory, hard disk can also be absorbed and controlled by the air stream that certain power supply introduces Make the temperature conditionss of these parts.

Low noise desk type computer main frame of the present utility model, the wherein wind direction of power supply air-out, wind speed and its control are a passes Key problem.Due to needing a part for power supply air-out to blow to processor heat sink, play remove radiator, processor heat and The effect of the two temperature of control, but some is more concentrated, straight larger speed air-flow blows to processor heat sink, it is best It is blow-through processor heat sink, thus settable air-out is more concentrated, the straight or less fan of diverging, and/or air-out can be made More concentrate, straight or the less air outlet flow guiding structure of diverging, diversion component.When fan is loaded on the inside of power supply air outlet, Change electric device, radiating element in power supply, back panel wiring have interference, the angle between power supply air intake, air-out direction to fan air intake Degree can also have an impact, to obtain more concentration, the straight or less power supply air-out of diverging, except being hindered using without air inlet/outlet When air-out concentrate, the straight or less fan of diverging, should more use in specific power supply architecture air-out to concentrate, straight or diverging Less fan.

When power supply fan is on the inside of power supply air outlet, the part except making power supply air-out by using required fan Concentration, straight or diverging blow to processor heat sink smaller, can also be by using the power supply air outlet with guide functions Flow-guiding structure and/or on the inside of power supply air outlet, outside set diversion component, a part of or even most of power supply air-out is drawn To, blow to processor heat sink.When power supply fan is on the inside of power supply air inlet, the power supply with guide functions can be used to go out Tuyere structure and/or on the inside of power supply air outlet, outside set diversion component, a part of or even most of power supply air-out is drawn To, blow to processor heat sink.The power supply air outlet structure with guide functions and it is located on the inside of power supply air outlet, outside Diversion component can be the plate with multiple through holes, wherein at least a part of through hole directional processors radiator, the thickness energy of plate Ensure the flow direction of through hole air-out, the quantity and diameter of through hole can guarantee that the flow and speed of air-out.It is described to be located at power supply air outlet The diversion component in outside can also be guide shell, its one end connection power supply air outlet, other end directional processors radiator but guarantor A segment distance is held, guides the major part of power supply air-out into processor heat sink.

Low noise desk type computer main frame of the present utility model, wherein power supply fan can be located on the inside of power supply air inlet, slave Wind is pumped into outside case is first advertised through fan and cool down internal components again just into cabinet；Power supply fan can be also located in power supply air outlet Side, wind is pumped into outside cabinet first cools down internal components and be blown into again through fan in cabinet.Power supply fan can have large-size, and advantage is Motor rotary speed is relatively low during identical air quantity, and noise is relatively low, and motor life is longer, and refueling times are less；Power supply fan can have compared with Small size, motor rotary speed is higher when advantage is identical air quantity, and motor life is shorter, and refueling times are more in lifetime, but wind Speed is higher, slightly good to the shifting thermal control temp effect of processor air-cooled radiator and processor.

Low noise desk type computer main frame of the present utility model, the wherein motor of power supply fan can use its normal voltage to drive Dynamic, the advantages of normal voltage drives is that wind-force is larger, and temperature control effect is preferable；Also low voltage can be used to drive, such as normal voltage During 12v, can reconfiguration power supply output in 7v, 5v voltage, wind-force reduce, but lower noise, fan life extend；Can also be by power supply The motor connection processor fan motor controller plug of fan, according to temperature of processor intelligent speed-regulating.To ensure the desktop The operation stability of brain server, the higher source nominal power of generally use, although such as main frame normal power consumption in 100w or so Within or, but often match somebody with somebody more than rated power 250w or even more than 300w power supply, the air quantity of power supply fan, blowing force are all larger, The work for controlling power supply, processor and its radiator temperature can also be met using air quantity during low voltage driving fan, blowing force With.

Low noise desk type computer main frame of the present utility model, wherein power supply are mountable in cabinet, the top of postnotum or Bottom, now power supply be cabinet air inlet located at cabinet postnotum and from rear side air intake；Power supply is also mountable in cabinet Bottom plate or front carriage, now power supply air inlet is from left side air intake and close to the air inlet located at cabinet left plate, or with setting Overlapped in the ventilating opening of mainboard bracket, from right side air intake and close to the air inlet located at cabinet right plate；Power supply is also mountable to The bottom of mainboard bracket, top or front portion in cabinet, now power supply air inlet overlapped with located at the ventilating opening of mainboard bracket, from the right side Side air intake and close to the air inlet located at cabinet right plate.It is power supply into cabinet that cabinet exhaust outlet, which is typically located at air inlet, Exhaust outlet remotely so as to form suitable air flow path in cabinet, so as to control mainboard, internal memory, hard disk temperature.Work as power supply During the top being installed in cabinet, cabinet exhaust outlet may be provided at the bottom of cabinet, and advantage is less into dust, and shortcoming is last profit With the lift convection current of air-flow after heat absorption；When power supply is installed on the bottom in cabinet, cabinet exhaust outlet may be provided at the upper of cabinet Portion, advantage are using the lift convection current of air-flow after heat absorption, and shortcoming is that to enter dust sometimes more.

Low noise desk type computer main frame of the present utility model, wherein power supply can have existing standard specification desktop computer power supply Profile, size and internal components topology layout, external line interface and the installation fixed form between cabinet postnotum, can also have Have profile, size and the internal components topology layout adaptable with required smaller power and required mounting means and with cabinet back Installation fixed form between plate, support；SATA component powers interface also may decrease within 3, within preferably 2, power transformation, Output is accordingly reduced within 10W；Power transformation, output and 6PIN, 8PIN power interface of display card are not needed.

Low noise desk type computer main frame of the present utility model, wherein hard disk can use 2.5 cun of mechanical hard disks, and its noise is less than 3.5 cun of desktop computer mechanical hard disks of standard；It is preferred that using almost do not have the solid state hard disc of noise, the pattern of solid state hard disc with connect Mouthful include SATA, M.2, PCI-E etc..

Low noise desk type computer main frame of the present utility model, wherein radiator can use the larger radiator of heat-sinking capability, It is preferred that the profound radiator of ice 400 of Aeolus of such as four U-shaped heat pipe of the tower heat sink with heat pipe, its appearance and size be windward side compared with Greatly, area of dissipation is higher, and heat-sinking capability during blowing is preferable.

In the desk computer of prior art, the inner side of cabinet right plate generally sets mainboard bracket, and mainboard typically passes through Screw, bolt are mounted thereon；The anterior past in cabinet typically sets hard disk, CD-ROM drive support, but with CD-ROM drive and 3.5 cun of machineries Hard disk applications gradually decreasing and exiting, and front carriage has the trend of removal；The airflow direction and installation direction of power supply, it is usually Air is flowed through into the power supply air inlet in cabinet to suck out of cabinet, after absorbing power supply heating, through on case back plate The power supply air outlet of portion or bottom is expelled to outside cabinet.When power supply is installed on postnotum top in cabinet, case air inlet is set Put the middle and lower part in cabinet postnotum or left plate；When power supply is installed on postnotum bottom in cabinet, case air inlet is set In the middle and upper part of cabinet postnotum or left plate, thus in the desk computer of related art, cabinet enters cold wind and led to Mainboard, processor, internal memory, hard disk operation institute caloric value are often first absorbed, then enters power supply and absorbs power supply operation heating and be then exhausted from machine Outside case.

Compared with prior art, desk computer of the present utility model, using power supply air-out, processor and air-cooled is removed The heat of radiator simultaneously controls its temperature, eliminates the fan of processor heat sink and avoids its noise；Main frame installation or During purchase, installing or the power supply relatively low and stable with fan noise, in using for such as 1 year long period, 2 years, 3 years, 5 years Cheng Zhong, main frame noise can be always held at reduced levels, allow user and surrounding people to be disturbed less by noise, remove processor from Radiator fan noise substantially becomes the problem of big with usage time；Processor heat sink is also easy to clear up and dismantled, after failure The slightly differentiated processor heat sink of shape, size can be used instead, solve prior art using power supply fan exhausting, pass through wind When road or connecting cylinder cooling treatment device radiator, it is not easy after processor heat sink failure or shape can not be used instead, size slightly has The processor heat sink of difference, also in the absence of processor caused by connecting cylinder deformation or breakage and its radiator temperature is elevated asks Topic.

Brief description of the drawings

Fig. 1, a kind of low noise desk type computer main frame internal structure of the present utility model and air-flow schematic diagram, power supply fan to Reverse air-out down.

Fig. 2-3, a kind of low noise desk type computer main frame internal structure of the present utility model and air-flow schematic diagram, power supply fan It can concentrate a part for power supply air-out, straight or diverging blows to processor heat sink smaller.

Fig. 4-6, a kind of low noise desk type computer main frame internal structure of the present utility model and air-flow schematic diagram, power supply air-out Mouth has flow-guiding structure.

Fig. 7-9, a kind of low noise desk type computer main frame internal structure of the present utility model and air-flow schematic diagram, power supply air-out Plate with multiple through holes is set on the outside of mouthful as diversion component.

Figure 10-13, a kind of low noise desk type computer main frame internal structure of the present utility model and air-flow schematic diagram, power supply go out Guide shell is set on the outside of air port as diversion component.

Figure 14, a kind of desk computer internal structure and air-flow schematic diagram of prior art, power supply and processor radiating Device is respectively equipped with fan.

Figure 15, a kind of desk computer internal structure and air-flow schematic diagram of prior art, power supply air inlet and processing Connecting cylinder is set between device radiator.

Legend, 1 power supply, 2 power supply fans, 3 connecting cylinders, 4 processors, 5 processor heat sinks, 6 internal memories, 7 hard disks, 8 mainboards, 9 cabinets, 10 guide shells, 11 power supply air outlet flow guiding structures, 12 deflectors with through hole.

Embodiment

The technical scheme to the utility model low noise desk type computer main frame and effect are carried out specific by the following examples Description and explanation, although the repacking mainly on old computer basic, it is enough to illustrate the utility model in new production or new clothes electricity Application in brain.

In embodiment, computer operating system is 64 professional versions of Windows7；Wherein overall noise and temperature of processor Test condition includes two kinds, and a kind of is the pressure test for being carried out by Shandong great master's software processor, and another kind is out more chat windows The multiple browser pages of mouth, multiple Word/PDF files, and play 720p or 1080p videos；Overall noise is away from host-physical It is measured at 1.0 meters of center with the centimeters of cabinet side 5 with cell phone software ThinkChange, also records the specific of human ear and listen Sense, background noise are less than 14 decibels, and human ear can't hear other sound substantially.Cabinet is except back during noise and temperature test The top of plate, the two of bottom 14x7 cms band mesh air inlets, air outlets, remaining is all closed；26 DEG C of environment temperature, Computer part temperature passes through Shandong great master's software detection and record including temperature of processor.

Embodiment 1

Power supply fan is filled by airflow direction is counter, motor connecting line is constant, repacks a low noise as shown in Figure 1 into Desk computer, mainly including mainboard, processor, internal memory, hard disk, power supply, and accommodate the cabinet of these parts；Mainboard is Asus M5A78L-M LX3 PLUS, CPU are AMD athlon II X2 240, inside save as the 8G of Jin Shidun DDR3 1600, hard disk is The 240G of INTEL 520, cabinet are standard desktop machine vertical chassis；Mainboard is installed on the middle and lower part of cabinet, and processor radiating uses The profound ice 400 of Aeolus of four air-cooled U-shaped heat pipes, its larger windward side are installed in the horizontal direction, and power supply is installed in cabinet Upper back, is the desktop computer power supply Jin He field ATX-S300 of standard specification, and power supply fan passes through from cabinet postnotum top exhausting Discharged still further below in power supply, most of air-flow is in blow to postnotum with 40 ° of angles of fan vertical central axis line and dissipate along fan edge The radiating fin of hot device, power supply air outlet and processor heat sink spacing 8cm；Cabinet exhaust outlet is 14x7 li of postnotum bottom Rice opening, the heat sent when institute's containing component is run remove.

The low noise desk type computer main frame of the present embodiment, wherein, power supply and CPU add up to use 16000 hours or so, Solid state hard disc adds up to use 10000 hours or so；Power supply and fan cleared up dust stratification, and fan motor supplemented lubricating oil, place Heat-conducting silicone grease is smeared again between reason device and its radiator.

Because power supply fan does not have intelligent speed-regulating, noise of the host computer in different operating loads does not become substantially Change, survey noise with the centimeters cell phone software of cabinet side 5 at 1.0 meters away from host-physical center and be respectively lower than 20 decibels and 25 points Shellfish；Main frame operation noise is heard or can't hear substantially to human ear reluctantly at 1.0 meters away from host-physical center, 5 lis of cabinet side Less airflow noise can be heard at rice.Lu great master's software carry out 5 second processor pressure tests during processor maximum temperature be 66 DEG C, 5 wechat chat windows, 10 QQ chat windows, 30 360 browser pages are opened, 10 Word/PDF files are simultaneously broadcast Temperature of processor when putting 1 720p video is less than 53 DEG C.

Noise is almost not felt by during the desk computer long-time use, to user and surrounding people not Produce noise jamming, it is believed that these effects can be maintained for a long time.

Embodiment 2

Substantially with embodiment 1, difference is that the uniform 236 Φ 5mm under air outlet of installation one hang down under power supply air outlet The plastics water conservancy diversion orifice plate of clear opening, high 5mm, power supply air-out largely blow to processor heat sink fin from upright opening, repacked into A low noise desk type computer main frame as shown in Figure 7, as a result temperature control effect is fine.At 1.0 meters away from host-physical center Noise, which is surveyed, with the centimeters cell phone software of cabinet side 5 is respectively lower than 20 decibels and 25 decibels；Human ear is away from host-physical center 1.0 Heard reluctantly at rice or can't hear main frame operation noise substantially, centimeters can hear less airflow noise in cabinet side 5.Lu great Teacher's software carries out 63 DEG C of processor maximum temperature during 5 second processor pressure tests, opens same 5 wechat chat windows, 10 Individual QQ chat windows, 30 360 browser pages, 10 Word/PDF files and play 1 720p video when processor temperature Degree is less than 46 DEG C.

Noise is almost not felt by during the desk computer long-time use, to user and surrounding people not Produce noise jamming, it is believed that these effects can be maintained for a long time.

Embodiment 3

Substantially with embodiment 1, difference is one plastics guide shell of installation under power supply air outlet, and its upper end connection power supply goes out Air port, lower end directional processors radiator, guide shell lower end and processor heat sink spacing 4cm, by the major part of power supply air-out Guide processor heat sink fin into, repack a low noise desk type computer main frame as shown in Figure 12 into, as a result temperature control effect Very well.At 1.0 meters away from host-physical center and the centimeters cell phone software of cabinet side 5 survey noise all be respectively lower than 20 decibels and 23 decibels；Main frame operation noise is heard or can't hear substantially to human ear reluctantly at 1.0 meters away from host-physical center, in cabinet side 5 centimeters can hear less airflow noise.Lu great master's software carries out the processor maximum temperature during 5 second processor pressure tests 61 DEG C, open same 5 wechat chat windows, 10 QQ chat windows, 30 360 browser pages, 10 Word/PDF files And temperature of processor when playing 1 720p video is less than 42 DEG C.

Noise is almost not felt by during the desk computer long-time use, to user and surrounding people not Produce noise jamming, it is believed that these effects can be maintained for a long time.

Embodiment 4

Substantially with embodiment 1, difference be by power supply fan change for one make power supply air-out it is substantially vertical downwards, substantially not The old fan of diverging（Add up to use 6000 hours or so）, power supply air-out largely blows to processor heat sink fin, reequips Into a low noise desk type computer main frame as shown in Figure 2, as a result temperature control effect is fine.At 1.0 meters away from host-physical center Place and the centimeters cell phone software of cabinet side 5 survey noise and are all respectively lower than 20 decibels and 25 decibels；Human ear is in away from host-physical Heard reluctantly at 1.0 meters of the heart or can't hear main frame operation noise substantially, centimeters can hear less air-flow in cabinet side 5 Sound.Lu great master's software carries out 62 DEG C of processor maximum temperature during 5 second processor pressure tests, opens same 5 wechats chat Window, 10 QQ chat windows, 30 360 browser pages, 10 Word/PDF files and play 1 720p video when place Manage device temperature and be less than 42 DEG C.

Noise is almost not felt by during the desk computer long-time use, to user and surrounding people not Produce noise jamming, it is believed that these effects can be maintained for a long time.

Embodiment 5

Substantially it is to export the driving voltage of power supply fan motor by normal 12v reconfigurations power supply with embodiment 4, difference In 7v, to reduce rotation speed of the fan and noise, as a result temperature control effect is still preferable.At 1.0 meters away from host-physical center and cabinet The centimeters cell phone software of side 5 surveys noise and is all respectively lower than 18 decibels and 22 decibels；Human ear is at 1.0 meters away from host-physical center Main frame operation noise is can't hear, centimeters hear the airflow noise of very little reluctantly in cabinet side 5.Lu great master's software is carried out at 5 times 70 DEG C of processor maximum temperature during device pressure test is managed, opens same 5 wechat chat windows, 10 QQ chat windows, 30 Individual 360 browser page, 10 Word/PDF files and play 1 720p video when temperature of processor be less than 55 DEG C.

Noise is not felt by during the desk computer long-time use, user and surrounding people are not produced Noise jamming, it is believed that these effects can be maintained for a long time.

Embodiment 6

Substantially it is to carry additionally 2.5 cun of mechanical hard disks as storage dish, hard disk model with embodiment 5, difference Seagate Momentus 500GB, it is continuously written into 15G audio/video file.Noise and temperature conditions difference unobvious are tested, only It is to survey noise in the centimeters cell phone software of cabinet side 5 to can reach 28 decibels or so, human ear can be heard in the centimeters of cabinet side 5 The noise of less airflow noise and mechanical hard disk.

Noise is almost not felt by during the desk computer long-time use, to user and surrounding people not Produce noise jamming, it is believed that these effects can be maintained for a long time.

Embodiment 7

Substantially with embodiment 3, another low noise desk type computer main frame has been reequiped；Mainboard is Jijia GA-H81M-D3V, place Reason device is Intel i5 4570, inside saves as the 8G of Jin Shidun DDR3 1600, and hard disk is the 480G of INTEL 520, and power supply is installed on The bottom of postnotum in cabinet, is the good multinuclear WD500 of desktop computer power supply boat of standard specification, and fan motor can be with wind-warm syndrome height Intelligent speed-regulating, power supply fan take out cold wind from cabinet postnotum bottom air inlet, through absorbed heat in power supply again through guide shell vertically upward Blow to the radiating fin of processor air-cooled radiator；Cabinet postnotum top sets 14x7 centimetres of opening thermal wind exhausting, by institute's receiving portion The heat that part is sent when running removes.By the power supply of the power supply fan motor, control line reconfiguration to mainboard processor fan motor Interface so as to according to temperature of processor to power supply fan carry out intelligent speed-regulating.

The low noise desk type computer main frame of the present embodiment, wherein, power supply and processor have all added up to use 9000 hours left sides The right side, solid state hard disc add up to use 12000 hours or so；Power supply and fan cleared up dust stratification, and fan motor supplemented lubricating oil, Heat-conducting silicone grease is smeared again between processor and its radiator.

Because power supply fan slightly has with processor temperature intelligent speed governing, noise of the host computer in different operating loads Change, Shandong great master's software are carried out continuously the processor maximum temperature 70 during processor CPU, GPU respectively carry out 10 pressure tests DEG C, cell phone software surveys noise at 1.0 meters away from host-physical center less than 23 decibels in test process, the centimeters of cabinet side 5 Cell phone software surveys noise and is less than 30 decibels, and human ear is heard reluctantly at 1.0 meters away from host-physical center or can't hear main frame substantially Noise is run, centimeters can hear less airflow noise in cabinet side 5.Open 10 wechat chat windows, 15 QQ chat windows Mouthful, 30 360 browser pages, 15 Word/PDF files and play 1 1080p Blu-ray video when temperature of processor be less than 50 DEG C, cell phone software surveys noise at 1.0 meters away from host-physical center less than 20 decibels during use, 5 centimetres of cabinet side To locate cell phone software and survey noise less than 26 decibels, human ear can't hear main frame operation noise substantially at 1.0 meters away from host-physical center, In cabinet side 5, centimeters can hear the airflow noise of very little.

Noise is almost not felt by during the desk computer long-time use, to user and surrounding people not Produce noise jamming.Think that there is preferably Jing Yin and temperature control effect, and these effects can be maintained for a long time.

Comparative example 1

Substantially with embodiment 5, difference is to add on the profound top of ice 400 of processor heat sink to be used 1000 hours or so Newer first wife's fan, wind direction is downward.Test noise and temperature conditions slightly have difference, and human ear is at 1.0 meters away from host-physical center Place readily hear main frame operation noise, the airflow noise of the distinguishable power supply fan of centimeters and processor heat sink in cabinet side 5, The noise of the profound fan of ice 400 is significantly greater.

Noise can be experienced during the desk computer use, slightly has noise jamming to user and surrounding people.

Comparative example 2

Substantially with comparative example 5, difference is to add another on the profound top of ice 400 of processor heat sink small using 6000 When or so original-pack old fan, wind direction is downward, and deashing and motor refuel the old fan.Human ear is away from host-physical center 1.0 It is easier to hear that main frame runs noise at rice, what in cabinet side 5, centimeters were heard is that the profound ice 400 of added processor heat sink is old The noise of fan, but temperature of processor is relatively low, the temperature of processor after Shandong great master's pressure test 5 times are less than 48 DEG C.

User and surrounding people can experience noise during the desk computer use, there is noise jamming.

Comparative example 3

Substantially with embodiment 5, it is 3.5 cun of desktop computer mechanical hard disks to distinguish the storage mechanical hard disk for being to carry additionally, hard disk type Number it is WD Blue 1.0TB, adds up to use 1000 hours or so, be continuously written into 15G audio/video file.Result is in the hard disk There is more apparent noise during write-in, human ear is easy to hear at 1.0 meters away from host-physical center.

Comparative example 4

Substantially with embodiment 5, difference is the electric power connection line disconnection of power supply fan motor, and processor heat sink is without blowing Wind moves heat.As a result standby after starting shooting, temperature of processor quickly rises to more than 90 DEG C of alarming value.

Comparative example 5

The desk computer of embodiment 1, there is structure as shown in Figure 15 before repacking, remove power supply and processing Connecting cylinder between device radiator, same 5 wechat chat windows, 5 QQ chat windows, 20 360 browser pages are opened after start Face, temperature of processor quickly rise to more than 90 DEG C of alarming value.

Comparative example 6

The desk computer of embodiment 1, there is structure as shown in Figure 15 before repacking, by power supply and processor A tip cut-off part, makes connecting cylinder lower end and processor heat sink spacing 2cm, Shandong great master's software enters under connecting cylinder between radiator 88 DEG C of processor maximum temperature during the second processor pressure test of row 5, open same 5 wechat chat windows, 10 QQ chats Window, 30 360 browser pages, 10 Word/PDF files and play 1 720p video when 72 DEG C of temperature of processor.

Claims (10)

1. a kind of low noise desk type computer main frame, including mainboard, processor, internal memory, hard disk, power supply, and accommodate these parts Cabinet；Processor radiating uses air-cooled fin or fin slices radiator；Cabinet has a cooling wind air inlet and at least one Individual exhaust outlet；Cooling fan is set in power supply, and with cooling wind air inlet and air outlet；Characterized in that, the power supply installation Wind air inlet is cooled down in cabinet, cabinet, the cooling wind air inlet of power supply overlap, and power supply air outlet is towards in cabinet, power supply fan Cooling wind is sucked outside cabinet, being located at the air outlet in cabinet through it after absorption power supply heating is discharged into cabinet, discharges wind At least a portion blows to processor heat sink, plays a part of removing radiator, the heat of processor and temperature both control, institute Hot blast is produced to drain into outside cabinet through cabinet exhaust outlet again.

2. low noise desk type computer main frame as claimed in claim 1, it is characterised in that power supply fan is in power supply air outlet Side, the fan can concentrate a part for power supply air-out, straight or diverging blows to processor heat sink smaller.

3. low noise desk type computer main frame as claimed in claim 1, it is characterised in that power supply air outlet has flow-guiding structure； Or power supply air outlet inner side, outside set the diversion component with flow-guiding structure, and a part of or even most of power supply air-out is drawn To, blow to processor heat sink.

4. low noise desk type computer main frame as claimed in claim 3, it is characterised in that the flow-guiding structure is with multiple through holes Plate, wherein at least a part of through hole directional processors radiator, the thickness of plate can guarantee that the flow direction of through hole air-out, the number of through hole Amount and diameter can guarantee that the flow and speed of air-out.

5. low noise desk type computer main frame as claimed in claim 1, it is characterised in that water conservancy diversion is set on the outside of power supply air outlet Cylinder, its one end connection power supply air outlet, other end directional processors radiator but one segment distance of holding, by the big portion of power supply air-out Separate to processor heat sink.

6. low noise desk type computer main frame as claimed in claim 1, it is characterised in that the motor of power supply fan uses 12V, 7V Or the driving of 5V voltages, or connection processor fan motor controller plug, according to temperature of processor intelligent speed-regulating.

7. low noise desk type computer main frame as claimed in claim 1, it is characterised in that power supply is installed in cabinet, postnotum Top or bottom, power supply be cabinet air inlet located at cabinet postnotum and from rear side air intake；Or power supply is installed on cabinet Interior bottom plate or front carriage, power supply air inlet is from left side air intake and close to the air inlet located at cabinet left plate；Or power supply peace Loaded on the bottom of mainboard bracket, top or front portion in cabinet, power supply air inlet overlaps with the ventilating opening located at mainboard bracket, from the right side Side air intake and close to the air inlet located at cabinet right plate.

8. low noise desk type computer main frame as claimed in claim 1, it is characterised in that power supply have with required power output and Required mounting means adaptable profile, size and internal components topology layout, output interface and between cabinet postnotum, support Installation fixed form.

9. low noise desk type computer main frame as claimed in claim 1, it is characterised in that radiator is using tower scattered with heat pipe Hot device.

10. low noise desk type computer main frame as claimed in claim 1, it is characterised in that hard disk using 2.5 cun of mechanical hard disks or Solid state hard disc.