CN201628915U - Heat radiator, heat-radiating system including heat radiator and computer - Google Patents
Heat radiator, heat-radiating system including heat radiator and computer Download PDFInfo
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- CN201628915U CN201628915U CN2010201223786U CN201020122378U CN201628915U CN 201628915 U CN201628915 U CN 201628915U CN 2010201223786 U CN2010201223786 U CN 2010201223786U CN 201020122378 U CN201020122378 U CN 201020122378U CN 201628915 U CN201628915 U CN 201628915U
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Abstract
The utility model provides a heat radiator which is arranged above a heating element; particularly, the heat radiator comprises a first fin group and a second fin group which are independent, the second fin group is arranged at the downstream of the first fin group along the air flow direction, the first fin group is composed of a plurality of first fins with first distance, and the second fin group is composed of a plurality of second fins with second distance larger than first distance; the heat radiator has good heat-radiating effect and the manufacturing is convenient; the utility model further provides a heat-radiating system including the heat radiator and a computer.
Description
Technical field
The utility model relates to the heat radiation field, is specifically related to be used for the heating radiator of computing machine.
Background technology
In the small size desktop systems, because the space is very limited, parts such as critical piece such as heating radiator, hard disk, CD-ROM drive, power supply are put very tight, cause in the system air flow resistance very big.Along with the increase of each parts power consumption, system radiating is designed to the difficult point of small size desktop computer design.And, because user custom is placed in the small size system from own closer place, therefore consider the problem of comfort, just more and more higher to the requirement of the surface temperature of system and noise level.Thus, the heat radiation of small size system just must be satisfied following requirement: air quantity is big, temperature is low, noise is low, occupy little space.
Existing small size desktop systems is used the ATX framework more, and it adopts a plurality of high rotating speed fans (cpu fan+system fan) and copper pipe heating radiator to dispel the heat, and system fan wherein is responsible for parts heat radiations such as hard disk, video card.The shortcoming of this ATX framework is, system fan can increase the heat radiation cost of total system, and can increase system noise, because air flow is not smooth in the ATX architecture system, fan efficiency is lower, even if also be difficult to guarantee parts heat radiation requirement such as hard disk at high rotating speed.
The utility model content
The purpose of this utility model provides a kind of cooling system that is used for the small size desktop computer, and it can solve above-mentioned problems of the prior art, and good radiating effect is provided.
At above-mentioned purpose, provide a kind of heating radiator according to first aspect of the present utility model, this heating radiator is arranged in the heater element top, particularly, heating radiator comprises first fins group independent of each other and second fins group, second fins group is in the downstream of first fins group along airflow direction, and first fins group is made of a plurality of first fins with first spacing, and second fins group is made of a plurality of second fins that have greater than second spacing of first spacing.
Concrete, according to the heating radiator of first aspect of the present utility model, wherein, the height of first fins group is greater than the height of second fins group.
Concrete, heating radiator according to first aspect of the present utility model, wherein, first fins group and second fins group of heating radiator have totally enclosed end face, wherein, the end face of first fins group has the shape of along continuous straight runs extension and then downward-sloping extension, and the end face of first fins group extends downward the end face place of second fins group.
Concrete, according to the heating radiator of first aspect of the present utility model, wherein, have predetermined gap between first fins group of heating radiator and second fins group.
Concrete, according to the heating radiator of first aspect of the present utility model, wherein, be furnished with at least one heat exchanger tube in first fins group.
Provide a kind of cooling system according to second aspect of the present utility model, this cooling system comprises first fan that is arranged in the computer cabinet front portion, be arranged in the heating radiator in the first fan downstream and first hard disk rack that is arranged in the heating radiator downstream along airflow direction along airflow direction, wherein, heating radiator is arranged in the heater element top, comprise first fins group independent of each other and second fins group, second fins group is in the downstream of first fins group along airflow direction, first fins group is made of a plurality of first fins with first spacing, second fins group is made of a plurality of second fins that have greater than second spacing of first spacing, and the height of first fins group is greater than the height of second fins group; Heating radiator comprises the support that is arranged on the second fins group rear, and first hard disk rack is supported on the support, and the first supported hard disk rack is positioned at the top of second fins group and the end face of contiguous second fins group.
Concrete, cooling system according to second aspect of the present utility model, wherein, first hard disk rack is formed with air inlet and air outlet along airflow direction respectively in its front side and rear side, and first hard disk rack has the base plate of sealing, remains between the bottom surface of first hard disk in first hard disk rack and the base plate to have preset distance.
Concrete, according to the cooling system of second aspect of the present utility model, wherein, cooling system also comprises first wind scooper that is arranged in the heating radiator top, and wherein, first wind scooper comprises: connecting portion, be connected with cabinet with first fan, be used for fan is fixed on cabinet; Central authorities' air dam covers in above first fins group of heating radiator, extends back along airflow direction from connecting portion, and central air dam has the shape and the side that are complementary with first fins group and is provided with the air-out opening; And the side air dam, from connecting portion towards the downward-sloping extension of mainboard.
Concrete, cooling system according to second aspect of the present utility model, wherein, cooling system comprises second hard disk bracket, and second hard disk bracket and heating radiator arrange abreast, wherein, the front portion of second hard disk bracket is formed with air vent and the rear portion is equipped with second fan, second fan is mounted to second hard disk bracket by blower tray, and blower tray has at the inboard wind deflector that extends of second hard disk bracket, and wind deflector has the shape of protruding towards second hard disk.
Concrete, according to the cooling system of second aspect of the present utility model, wherein, the below of second hard disk bracket is provided with second wind scooper, offer ventilation orifice on the base plate of second hard disk bracket, second wind scooper has towards the outstanding shape of the base plate of second hard disk bracket.
Provide a kind of computing machine according to the third aspect of the present utility model, it comprises the heating radiator that is arranged on the heater element top, wherein, heating radiator comprises first fins group independent of each other and second fins group, second fins group is in the downstream of first fins group along airflow direction, first fins group is made of a plurality of first fins with first spacing, second fins group is made of a plurality of second fins that have greater than second spacing of first spacing, and the height of first fins group is greater than the height of second fins group.
Concrete, computing machine according to the third aspect of the present utility model, wherein, computing machine also comprises first fan that is arranged in the computer cabinet front portion, is arranged in the heating radiator in the first fan downstream and first hard disk rack that is arranged in the heating radiator downstream along airflow direction along airflow direction, wherein, heating radiator comprises the support that is arranged on the second fins group rear, and first hard disk rack is supported on the support, and the first supported hard disk rack is positioned at the top of second fins group and the end face of contiguous second fins group.
Concrete, computing machine according to the third aspect of the present utility model, wherein, first hard disk rack is formed with air inlet and air outlet along airflow direction respectively in its front side and rear side, and first hard disk rack has the base plate of sealing, remains between the bottom surface of first hard disk in first hard disk rack and the base plate to have preset distance.
Concrete, computing machine according to the third aspect of the present utility model, wherein, computing machine has second hard disk and slim optical drive, and comprise second hard disk bracket that is used to keep second hard disk and slim optical drive, wherein, second hard disk bracket and heating radiator are arranged abreast, the front portion of second hard disk bracket is formed with air vent and the rear portion is equipped with second fan, second fan is mounted to second hard disk bracket by blower tray, blower tray has at the inboard wind deflector that extends of second hard disk bracket, and wind deflector has the shape of protruding towards second hard disk.
Concrete, according to the computing machine of the third aspect of the present utility model, wherein, the below of second hard disk bracket is provided with second wind scooper, and second wind scooper has towards the outstanding shape of the base plate of second hard disk bracket.
The utlity model has following technique effect:
Structure according to heating radiator of the present utility model is improved, and this heating radiator comprises first fins group independent of each other and second fins group, and it has good heat exchange property.Particularly, at first, first fins group is in the air-flow upstream, at first flow into first fins group of close system fan from the cold airflow of system fan, because the spacing between first fin is less, thereby flow resistance is bigger, the time that air-flow is detained therein is longer, therefore make the heat at the fins group place that wins bigger, increased the exchange capability of heat of first fins group; Secondly, because the fin pitch of second fins group is bigger, so the flow velocity that air communication is crossed improves, and reduced flow resistance, makes air-flow to flow out heating radiator by second fins group as early as possible.Further, fansink designs can be become the height of the height of first fins group, thereby make the fins group place that wins have bigger heat interchanging area, further improve the exchange capability of heat of heat interchanger thus greater than second fins group.
Should be appreciated that above generality is described and the following detailed description is all enumerated and illustrative, purpose is in order to provide further instruction to claimed the utility model.
Description of drawings
Accompanying drawing constitutes the part of this instructions, is used to help further understand the utility model.These accompanying drawings illustrate embodiment more of the present utility model, and are used for illustrating principle of the present utility model with instructions.Identical in the accompanying drawings parts are represented with identical label.In the accompanying drawing:
Fig. 1 shows the inner structure synoptic diagram of employing according to the cabinet of cooling system of the present utility model;
Fig. 2 a, 2b show respectively according to the package assembly synoptic diagram of heating radiator of the present utility model and fin group construction synoptic diagram;
Fig. 3 shows the front elevation according to heating radiator of the present utility model;
Fig. 4 shows the perspective view according to first hard disk bracket of cooling system of the present utility model;
Fig. 5 shows the synoptic diagram that is installed in cabinet inside according to first wind scooper of cooling system of the present utility model;
Fig. 6 shows the one-piece construction synoptic diagram that second hard disk and slim optical drive are installed in second hard disk bracket according to cooling system of the present utility model;
Fig. 7 shows according to second hard disk bracket of cooling system of the present utility model and the perspective view of blower tray;
Fig. 8 shows the perspective view according to the blower tray of cooling system of the present utility model;
Fig. 9 shows according to second wind scooper of cooling system of the present utility model position view with respect to second hard disk bracket;
Figure 10 shows according to second wind scooper of cooling system of the present utility model another location synoptic diagram with respect to second hard disk bracket;
Figure 11 shows according to the relative position synoptic diagram between second wind scooper, blower tray and the fan of cooling system of the present utility model.
Figure 12 shows the computer-internal gas flow schematic top plan view of employing according to cooling system of the present utility model;
Figure 13 shows the schematic side view of employing according to the computer-internal gas flow of cooling system of the present utility model.
Embodiment
Below with reference to accompanying drawings, and in conjunction with instantiation embodiment of the present utility model is described.
Below with reference to accompanying drawings, and in conjunction with instantiation embodiment of the present utility model is described.
The utility model provides a kind of architecture advances heating radiator, and for example, it can be applied in the desk-top computer, to solve the heat dissipation problem of small size desktop systems effectively.Fig. 1 shows the inner structure synoptic diagram of employing according to the mainframe box 10 of heating radiator 14 of the present utility model, in the present embodiment, main frame adopts the BTX framework, and heating radiator 14 of the present utility model is arranged in CPU (heater element, the not shown) top in the computer cabinet 10.With further reference to Fig. 2 a, 2b and Fig. 3, heating radiator 14 comprises the first fins group 14a independent of each other and the second fins group 14b, the height of the first fins group 14a is greater than stating the second fins group 14b, the first fins group 14a is made of a plurality of first fin 14d with first space D 1, the second fins group 14b is made of a plurality of second fin 14e, wherein the second fin 14e evenly separates with second space D 2, second space D 2 is greater than first space D 1, and the first fin 14d is arranged to be staggered mutually with the second fin 14e (can see among Fig. 3 that two groups of fin pitch are different, stagger mutually in the position).
Space in the existing small size desktop systems is generally very limited, existing C PU heating radiator (being generally button Fin formula fin slices radiator) can't be made the shape of complete Founder usually, interfere with miscellaneous part in order to prevent simultaneously, the shape of height offset need be made in a part of zone of cpu heat, the problem that this height offset brings is that the flow field in the cpu heat fin can be changed thereupon, for the side blown type heating radiator, under situation by equal flow, the local heat interchanging area that fin is high is big, flow velocity is slower, and flow resistance is low, and the low local heat interchanging area of fin is little, flow velocity is very fast, and flow resistance is big.From the heat dissipation design angle, heat interchanging area is little and to needing to avoid in the design of the big zone of air flow resistance, and the generation of flow resistance mainly is because the radiating fin of dense arrangement, and therefore how designing fin has just become the key that addresses this problem.The button Fin formula fin of existing C PU heating radiator is the design of whole group integral type, and the spacing of all fins is all identical, just there is the height difference in a lateral direction, adopts the heating radiator of this form to be difficult to solve existing problem in the cpu heat of above-mentioned prior art.
Table 1
In addition, this heating radiator of the present utility model is easy to make, total cost slightly reduces than all-in-one-piece fin slices radiator, on processing technology, need open a mold although make two groups of fins, because the blanking die price is very low, and it is regular more to be divided into behind two groups of fins the shape of single fins group more, thereby reduced waste of material, therefore integrated cost can slightly reduce when producing in enormous quantities.
Need to prove, heating radiator 14 in the present embodiment has adopted the different button Fin heat spreader structures of fins group height, and and nonessential fins group is manufactured highly different, highly identical fins group, as long as its fin pitch designs according to the utility model, can play the effect of optimizing radiating effect equally.
Concrete radiating mode to heating radiator 14 of the present utility model describes below.When being sucked air in the cabinets 10 by first fan 12 when the front side of cpu heat 14 flow to rear side, air-flow flows through and then flows to the second low fins group 14b from the first high fins group 14a.The first fins group 14a is positioned at the upstream of airflow direction, EAT is lower, because the first fins group 14a is higher, therefore the heat interchanging area at the first fins group 14a place is bigger, while is because first space D 1 of the first fin 14d is less, so air-flow flow velocity herein is lower, and the time that low-temperature airflow is detained in the first fins group 14a is longer, the win heat at fins group 14a place of heat interchanging area and flow resistance ambassador is also bigger, and surface temperature is even.When air flow stream during to the low second fins group 14b, the temperature of air-flow has had certain rising, but because the second fins group 14b is lower, and second space D 2 of the second fin 14e is bigger, so the flow resistance at the second fins group 14b place is less, the time that air-flow is detained at the second fins group 14b place is shorter, and air-flow velocity is higher, heating radiator can be flowed out fast, still a certain amount of heat exchange can be carried out simultaneously.
Shown in Fig. 2 a, in the present embodiment, for further increasing the exchange capability of heat of the first high fins group 14a, heat exchanger tube 14c is set at the first fins group 14a, be provided with two heat exchanger tubes up and down particularly, thereby the main heat that has guaranteed CPU is directed on the first high fins group 14a.And heat exchanger tube 14c is arranged in the space that can not take the second fins group 14b among the first fins group 14a, thereby does not influence the flow resistance of the second fins group 14b.
Further, shown in Fig. 2 b, the first fins group 14a and the second fins group 14b of the Fin formula fin slices radiator 14 in the present embodiment have totally enclosed end face, the end face of the first fins group 14a has the shape of along continuous straight runs extension and then downward-sloping extension, and the end face of the first fins group 14a extends downward the end face place of the second fins group 14b.Totally enclosed end face can be shunted the air-flow that flow to heating radiator 14 places, a part enters the inside of heating radiator 14, another part flows through from the end face of heating radiator 14, the special end face shape of the first fins group 14a helps the square from it air-flow channeling conduct of flowing through, reach effect to the air-flow layering, the gas shunting effect of the utility model cooling system will significantly improve the radiating effect in the cabinet 10, and this will further describe hereinafter.
Preferably, shown in Fig. 2 b, in the cooling system of the present utility model, be provided with between the first fins group 14a of heating radiator 14 and the second fins group 14b and have predetermined gap 14g, this is because second space D 2 of first space D 1 of the first fin 14d and the second fin 14e is different, therefore need between two fins group, leave the gap slightly, carry out rectification for air.
With further reference to Fig. 1, also provide a kind of cooling system that comprises above-mentioned heating radiator 14 according to the utility model, it typically also can be applied in the computing machine, and this cooling system comprises first fan 12 of the front portion that is arranged in computer cabinet 10 and is arranged in the heating radiator 14 in first fan, 12 downstreams (rear of first fan 12) and first hard disk rack 23 that is arranged in heating radiator 14 downstreams along airflow direction along airflow direction.Accordingly, heating radiator 14 also comprises the support 24 (shown in Fig. 2 a) that is arranged on the second fins group 14b rear, first hard disk rack 23 is supported on the support 24, the level height of support 24 corresponding with the height of the second fins group 14b (level height of support 24 is a little more than the apical side height of the second fins group 14b) is so that the part of the first supported hard disk rack 23 is positioned at the top of the second fins group 14b.Thus, after first hard disk 15 is arranged in first hard disk rack 23, the just whole top that remains on the second fins group 14b of first hard disk 15, as shown in Figure 7.Hereinafter the effect of this setup of first hard disk rack 23 is described with reference to Fig. 7.
Particularly, as shown in Figure 4, the front side of first hard disk rack 23 and rear side are formed with air inlet 23a and air outlet 23b respectively, and first hard disk rack 23 has the base plate 23c of sealing, and upside is an open by design.Remain between the bottom surface of first hard disk 15 in first hard disk rack 23 and the above-mentioned base plate 23c and have preset distance D, this predetermined distance D makes air-flow to flow through between the bottom surface of first hard disk 15 and negative 23c, thereby is dispelled the heat in the bottom surface of first hard disk 15.Air-flow from cpu heat 14 enters from air inlet 23a, and then flows through and remain on first hard disk 15 in first hard disk rack 23, and then flows out from air outlet 23b, realizes the heat radiation to first hard disk rack 23 thus.In the process of first hard disk rack 23 of flowing through, air-flow will be in the side edge shunting of first hard disk 15, a part flows through the top surface of first hard disk 15 straight, another part is the flow through bottom surface of first hard disk 15 of the guiding of the top surface by heating radiator 14 then, thereby dispelled the heat in the top surface and the bottom surface of first hard disk 15 simultaneously, realize more excellent radiating effect thus.
Further, as shown in Figure 5, also comprise first wind scooper 25 that is arranged in cpu heat 14 tops according to cooling system of the present utility model, this first wind scooper 25 comprises: the fan connecting part 25a that links to each other with first fan 12, and the air that first fan 12 flows out enters first wind scooper by this fan connecting part 25a; The air dam 25b of central authorities, it is arranged on the top of the first fins group 14a of cpu heat 14, and extend to the direction of cabinet 10 rear sides from fan connecting part 25a, central air dam 25b has the shape that is complementary with the first fins group 14a and is provided with air-out opening 25c near a side of CD-ROM drive 34; And side air dam 25d, its from fan connecting part 25a towards mainboard 16 downward-sloping extensions.According to the utility model, design also arranges that first wind scooper 25 is in order to strengthen the radiating effect of first fan 12, the cpu heat 14 of first wind scooper 25 and above-mentioned special construction match and, make to be easier to shunting, thereby realize hereinafter with subregion, the layered effect described from first fan, 12 effluent airs.
Further, same because the space is very limited in existing small size desktop systems, only support a desk-top hard disk and a desk-top CD-ROM drive usually.But there are a lot of corporate clients can need to support the desktop systems of RAID function or second big capacity hard disk, at this moment need to take the CD-ROM drive position second hard disk is installed, and just can't install built-in CD drive this moment again, can only adopt external CD-ROM drive, and this understands to the user and causes inconvenience in the use.At this kind demand, need to support simultaneously the desktop systems of two hard disks and Slim CD-ROM drive (slim optical drive), and add the desktop systems of slim optical drive for this pair of hard disk, realize that good heat radiation is more important.Cooling system of the present utility model then can well address the above problem.
As shown in Figure 6, also comprise second hard disk bracket 26 according to cooling system of the present utility model, second hard disk 27 that it is used to keep and slim CD-ROM drive (are positioned at second hard disk, 27 tops, not shown), second hard disk bracket 26 and heating radiator 14 are placed in the rear (used the position of second hard disk bracket 26 among Fig. 1, wherein shown the outer cover 33 of second hard disk bracket, 26 tops) of first fan 12 abreast.The front portion of second hard disk bracket 26 is formed with air vent 26a rear portion second fan 28 is installed, and air vent 26a is arranged to guarantee big as far as possible incoming air area.Under the swabbing action of second fan 28, air-flow enters second hard disk bracket 26 from air vent 26a, behind wherein second hard disk 27 and slim CD-ROM drive of flowing through, discharges by second fan 28 at rear portion, realizes the heat radiation to second hard disk 27 and slim CD-ROM drive thus.Second hard disk rack 27 of the present utility model is suitable with existing CD-ROM drive stent size and identical architectural feature is arranged, and therefore can be fixed on the cabinet CD-ROM drive position.Because the Slim CD-ROM drive will be installed, therefore to carry out wind-cooling heat dissipating with undersized fan exhausting, to guarantee that second hard disk 27 has satisfactory temperature, second fan 28 is exactly custom-designed small size fan, and fan dimension is 40mmX40mmX28mm in the present embodiment.
Take away behind the Slim CD-ROM drive and second hard disk 27 second hard disk bracket 26 as shown in Figure 7, as shown in Figure 7, in desktop computer cooling system of the present utility model, second fan 28 is mounted to second hard disk bracket 26 by blower tray 29.Especially, be clearly shown that as Fig. 8 that blower tray 29 has at second hard disk bracket, the 26 inboard wind deflector 29a that extend, this wind deflector 29a has the shape of protruding towards second hard disk 27, thereby makes air intake more press close to the surface of second hard disk 27.The effect of second blower tray 26 has two: 1) fan attachment; 2) Tu Qi wind-guiding baffle plate makes the air that enters from the fan dead ahead be forced to press to the hard disk side, can increase hard disk side heat along with flow velocity increases.The concrete structure shape of second blower tray 26 as shown in Figure 8.
Further,, satisfy the designing requirement of 50 ℃ of harddisk surface temperature, need to increase the ventilation of second hard disk rack 26, to strengthen the surface heat exchanging of second hard disk 27 for strengthening heat radiation to second hard disk 27.For this reason, utilize the card reader position below the former CD-ROM drive position, designed the wind scooper of a special use.Shown in Fig. 9-11, the below of second hard disk bracket 26 is provided with second wind scooper 30, and this second wind scooper 30 links to each other with the card reader support 31 that is arranged in second hard disk bracket, 26 belows.Second wind scooper 30 has the outstanding shape towards the base plate 26b of second hard disk bracket 26, offers ventilation orifice 26c on the base plate 26b of second hard disk bracket 26.By additional second wind scooper 30 at cabinet 10 original card reader supports 31 places, make that more air can be by the header board perforate 31a of card reader support 31, and then under the guide function of second wind scooper 30, enter in second hard disk bracket 26 via the ventilation orifice 26c on second hard disk bracket, the 26 base plate 26b, and then the lower surface of second hard disk 27 of flowing through, enter second fan 28 again, thereby, and avoid the circulation of cabinet 10 internal high temperature air for second fan 28 provides bigger air quantity.And above-mentioned ventilation orifice 26c is opened in the position of the bottom of second hard disk bracket 26 over against second hard disk, 27 bottom motors, thereby makes the motor part and PCB mainboard 16 parts of second hard disk 27 all have air directly to flow through, thereby carries out efficiently radiates heat.Because the perforate 31a of card reader support 31 is opened on the front panel, thus can guarantee that EAT is identical with ambient temperature, and flow resistance is lower.Because airflow is through the bottom surface of second hard disk 27, and the bottom surface is the highest zone of hard disk temperature, so this design can be effectively to Hard disk heat radiation.Test shows, above-mentioned special heat dissipation design at second hard disk 27 has promoted 40% ventilation, reduced by 5 ℃ when making the surface temperature of second hard disk 27, guaranteed of the support of small size desktop systems second hard disk 27 and Slim CD-ROM drive than this heat dissipation design not.
Adopt the advantage of said structure design to be: at first, to realize that two hard disks add the CD-ROM drive configuration, have satisfied the client and have wished that the small size system has the demand of RAID function and CD-ROM drive simultaneously; Secondly, realize that cost is low, only increase a plastic cement wind scooper 30 and a small size fan 28, and need not change the structure of other parts of cabinet; Once more, the outstanding heat dissipation design system that makes can support big capacity hard disk, and satisfies the designing requirement of system radiating noise.
In addition, as shown in Figure 1, also comprise the power supply fan 32 that is used for power supply 18 heat radiations according to cooling system of the present utility model, power supply fan 32 is arranged in cabinet 10 rear portions and next-door neighbour's power supply 18.
Describe with reference to Figure 12,13 pairs of concrete radiating modes below according to cooling system of the present utility model.
The novel cooling system of this use utilizes the special shape of cpu heat 14 self, is aided with the structure that is used for further increasing radiating effect simultaneously, thus a plurality of layerings that the air-flow that first fan 12 is sent is become longitudinal direction in a lateral direction a plurality of subregions.In the present embodiment, first fan 12 is the fan of specification 92 * 38mm, this fan has carried out optimal design at the small size system of BTX framework, can under the situation of middle and slow speed of revolution, promote the P-Q performance, the optimization of fan is mainly by improving the electric fan shape to promote the flabellum flow dynamics, improve fan motor to promote moyor, use high performance control IC to realize to guarantee means such as rotation speed of the fan is steady.Fan after the optimization and can reduce the noise of about 3dB, experimental data proves that under the 3000rpm rotating speed, the conventional fan level of noise is 52dBA, is 49dBA and improve the fan noise value.Be formed with a plurality of elongated shape air inlet 11a that are arranged in parallel on the protecgulum 11 of above-mentioned cabinet 10, during 12 runnings of first fan, by Cryogenic air suction cabinet 10 inside of these air inlets 11a, so that the system of cabinet 10 inside is carried out radiating and cooling with the outside.Figure 12 shows the cabinet inside gas flow schematic top plan view of employing according to desktop computer cooling system of the present utility model, and in Figure 12, hard disk is removed.As shown in figure 12, the air-flow that enters cabinet 10 three zones of mainly flowing through from left to right in a lateral direction: the left side be internal memory 17 to power supply 18 flow regions, middle for CPU is VR device and video card 20 flow regions to case backboard 19 flow regions, the right, each regional air-flow of flowing through dispels the heat to corresponding zone.The air-flow of left side heat dissipation region mainly flow through internal memory 17 and power supply 18, an air-flow part that flows out through first fan 12 can be by first wind scooper 25 near the air-out opening 25c of the CD-ROM drive one sides internal memory 17 that lead, flow through internal memory 17 back and a part of air-flow by cpu heat 14 converges, enter power supply fan 32, the power supply 18 of flowing through is last by the discharge of the air vent (not shown) on cabinet 10 side plates cabinet system.The air-flow of middle heat dissipation region mainly flow through cpu heat 14, board chip set heat radiator 35 (as shown in fig. 1) and hard disk 15, the air-flow that flows out in first fan 12 is under the guiding of the central air dam 25b of first wind scooper 25, by behind cpu heat 14, hard disk 15 and the board chip set heat radiator 35, system is discharged in the perforate from case backboard 19 successively.Air-flow mainly flow through the CPUVR device 22 and the video card (expansion card) 20 of the right heat dissipation region, the part of the air-flow that first fan 12 flows out is by the side air dam 25d guiding CPU VR device 22 of first wind scooper 25, CPU VR device 22 backs and the part of flowing through converged by the air-flow of cpu heat 14, the side air dam 25d of first wind scooper 25 is pressed to CPU VR device 22 zones on the mainboard 16 with the part of the air-flow that first fan 12 flows out, shown in Fig. 5,7, thereby enhancing is to the heat radiation of CPUVR device region.Need to prove, in the heat dissipation region of right side, if video card is not set, then air-flow directly from perforate (as shown in Figure 2) outflow system of the expansion slot catch 36 on cabinet 10 right sides, is then heated the perforate outflow system of back by the expansion slot catch by the video card heat radiator if any video card again.
With further reference to Figure 13, the air-flow that enters cabinet 10 is divided into four layers in a longitudinal direction from top to bottom substantially, is followed successively by: second fluidized bed, the 3rd fluidized bed of flow through CPU and north and south bridge and the 4th fluidized bed of hard disk 15 both sides of flowing through of first fluidized bed below the mainboard 16 of flowing through, the plate face device of mainboard 16 tops of flowing through.By the reasonable Arrangement of each parts and the first additional wind scooper 25, the air-flow that flows out through first fan 12 is divided into above-mentioned 4 layers and 3 zones, thereby make each parts place in the cabinet 10 all have an amount of air to flow through, thereby form efficient and comprehensive system flow heat radiation, significantly promoted radiating efficiency.Arrow among Fig. 5 shows first fan, 12 effluent airs and is divided into 4 layers synoptic diagram up and down.First fluidized bed is in cabinet 10 bottoms, and below the airflow passes mainboard 16, the air flow stream of the outflow of first fan, 12 bottoms is crossed mainboard 16 back sides, can strengthen mainboard 16 heat radiations; Second fluidized bed is near the upper face of mainboard 16, and air mainly flows through the CPU VR device (comprising MOSFET, inductance, electric capacity) on the upper face, thereby reduces the temperature of VR device on the mainboard 16 effectively; The inside of the 3rd fluidized bed approach heating radiator 14, the board chip set heat radiator 35 of heating radiator 14 and back dispels the heat for the critical component in the cabinet 10 thereby the air-flow major part that first fan 12 flows out all can be flowed through; Topmost the 4th fluidized bed is the Hard disk heat radiation passage of particular design, in order to satisfy the heat radiation requirement that the harddisk surface temperature is lower than 50 ℃, so cpu heat 14 has been made the low special shape (shown in Fig. 2 a, 2b) that is the whereabouts, slope in preceding high back, and hard disk rack is designed to have the plastic parts of totally-enclosed base plate, base plate preferably has the clear height space D of 8mm apart from the hard disk bottom surface.Therefore the air-out meeting at fan top is directly walked around cpu heat and is entered above the hard disk and following space, the independent heat dissipation channel of the hard disk that formation temperature is very low, after to Hard disk heat radiation directly from the cabinet perforate outflow system of hard disk back.
From the above, has following advantage: cover comprehensively, considered the heat radiation of all vitals according to cooling system of the present utility model; Overall heat radiation cost is low, has reduced system fan; The radiating efficiency height, system noise is low; The space compactness does not have wasting space; But the platform continuity, can be under the constant situation of layout each parts of upgrading.
Further, according to thought of the present utility model, also provide the computer system that comprises above-mentioned heating radiator and/or comprise above-mentioned cooling system (for example integral type, desktop computer, server etc.), it is equally also in protection domain of the present utility model.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (15)
1. heating radiator, described heating radiator (14) are arranged in the heater element top, it is characterized in that,
Described heating radiator comprises first fins group independent of each other (14a) and second fins group (14b), described second fins group is in the downstream of described first fins group along airflow direction, described first fins group is made of a plurality of first fins (14d) with first spacing (D1), and described second fins group is by a plurality of second fins (14e) formation that has greater than second spacing (D2) of described first spacing.
2. heating radiator according to claim 1 is characterized in that the height of described first fins group is greater than the height of described second fins group.
3. heating radiator according to claim 1, it is characterized in that, first fins group and second fins group of described heating radiator have totally enclosed end face, wherein, the end face of described first fins group has the shape of along continuous straight runs extension and then downward-sloping extension, and the end face of described first fins group extends downward the end face place of described second fins group.
4. heating radiator according to claim 1 is characterized in that, has predetermined gap (14g) between described first fins group of described heating radiator and described second fins group.
5. heating radiator according to claim 1 is characterized in that, is furnished with at least one heat exchanger tube (14c) in described first fins group.
6. cooling system, it is applied in the computing machine, it is characterized in that, described cooling system comprises first fan (12) that is arranged in the computer cabinet front portion, is arranged in the heating radiator (14) in the described first fan downstream and first hard disk rack (15) that is arranged in described heating radiator downstream along airflow direction along airflow direction, wherein
Described heating radiator is arranged in the heater element top, comprise first fins group independent of each other (14a) and second fins group (14b), described second fins group is in the downstream of described first fins group along airflow direction, described first fins group is made of a plurality of first fins (14d) with first spacing, described second fins group is by a plurality of second fins (14e) formation that has greater than second spacing of described first spacing, and the height of described first fins group is greater than the height of described second fins group;
Described heating radiator comprises the support (24) that is arranged on the described second fins group rear, and described first hard disk rack is supported on the described support, and supported described first hard disk rack is positioned at the top of described second fins group and the end face of contiguous described second fins group.
7. cooling system according to claim 6, it is characterized in that, described first hard disk rack is formed with air inlet (23a) and air outlet (23b) along airflow direction respectively in its front side and rear side, and described first hard disk rack has the base plate (23c) of sealing, remains between the bottom surface of first hard disk in described first hard disk rack and the described base plate to have preset distance (D).
8. cooling system according to claim 6 is characterized in that, described cooling system also comprises first wind scooper (25) that is arranged in described heating radiator top, and wherein, described first wind scooper comprises:
Connecting portion (25a) is connected with cabinet (10) with described first fan (12), is used for fan is fixed on cabinet;
Central authorities' air dam (25b) covers in above first fins group of described heating radiator, extends back along airflow direction from described connecting portion, and described central air dam has the shape and the side that are complementary with described first fins group and is provided with air-out opening (25c); And side air dam (25d), from described connecting portion towards the downward-sloping extension of mainboard.
9. cooling system according to claim 6 is characterized in that, described cooling system comprises second hard disk bracket (26), and described second hard disk bracket and described heating radiator arrange abreast, wherein,
The front portion of described second hard disk bracket is formed with air vent (26a) and the rear portion is equipped with second fan (28), described second fan is mounted to described second hard disk bracket by blower tray (29), described blower tray has at the inboard wind deflector (29a) that extends of described second hard disk bracket, and described wind deflector has the shape of protruding towards described second hard disk.
10. cooling system according to claim 9, it is characterized in that, the below of described second hard disk bracket is provided with second wind scooper (30), offer ventilation orifice (26c) on the base plate of described second hard disk bracket (26b), described second wind scooper has the outstanding shape of base plate (26b) towards described second hard disk bracket.
11. a computing machine is characterized in that, described computing machine comprises the heating radiator (14) that is arranged on the heater element top, wherein,
Described heating radiator comprises first fins group independent of each other (14a) and second fins group (14b), described second fins group is in the downstream of described first fins group along airflow direction, described first fins group is made of a plurality of first fins (14d) with first spacing, described second fins group is by a plurality of second fins (14e) formation that has greater than second spacing of described first spacing, and the height of described first fins group is greater than the height of described second fins group.
12. computing machine according to claim 11, it is characterized in that, described computing machine also comprises first fan (12) that is arranged in the computer cabinet front portion, be arranged in the described heating radiator (14) in the described first fan downstream and first hard disk rack (23) that is arranged in described heating radiator (14) downstream along airflow direction along airflow direction, wherein, described heating radiator comprises the support (24) that is arranged on the described second fins group rear, described first hard disk rack (23) is supported on the described support, and supported described first hard disk rack is positioned at the top of described second fins group and the end face of contiguous described second fins group.
13. computing machine according to claim 11, it is characterized in that, described first hard disk rack is formed with air inlet (23a) and air outlet (23b) along airflow direction respectively in its front side and rear side, and described first hard disk rack has the base plate (23c) of sealing, remains between the bottom surface of first hard disk in described first hard disk rack and the described base plate to have preset distance (D).
14. computing machine according to claim 11 is characterized in that, described computing machine has second hard disk and slim optical drive, and comprises second hard disk bracket (26) that is used to keep described second hard disk and slim optical drive, wherein,
Described second hard disk bracket and described heating radiator are arranged abreast, the front portion of described second hard disk bracket is formed with air vent (26a) and the rear portion is equipped with second fan (28), described second fan is mounted to described second hard disk bracket by blower tray (29), described blower tray has at the inboard wind deflector (29a) that extends of described second hard disk bracket, and described wind deflector has the shape of protruding towards described second hard disk.
15. computing machine according to claim 14 is characterized in that, the below of described second hard disk bracket is provided with second wind scooper (30), and described second wind scooper has the outstanding shape of base plate (26b) towards described second hard disk bracket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201223786U CN201628915U (en) | 2010-03-02 | 2010-03-02 | Heat radiator, heat-radiating system including heat radiator and computer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201223786U CN201628915U (en) | 2010-03-02 | 2010-03-02 | Heat radiator, heat-radiating system including heat radiator and computer |
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| CN201628915U true CN201628915U (en) | 2010-11-10 |
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| CN2010201223786U Expired - Lifetime CN201628915U (en) | 2010-03-02 | 2010-03-02 | Heat radiator, heat-radiating system including heat radiator and computer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796475A (en) * | 2012-10-30 | 2014-05-14 | 英业达科技有限公司 | Heat radiation module and electronic device |
| CN103874395A (en) * | 2012-12-17 | 2014-06-18 | 西门子（上海）电气传动设备有限公司 | Radiator and frequency converter employing same |
| CN104684355A (en) * | 2013-11-27 | 2015-06-03 | 发那科株式会社 | Motor drive unit with heat sink dealing with drop of cutting fluid |
| CN104902728A (en) * | 2014-03-03 | 2015-09-09 | 联想(北京)有限公司 | Electronic equipment and heat-radiating member |
| CN107368165A (en) * | 2017-07-18 | 2017-11-21 | 浦江县顺光科技有限公司 | A kind of Simple radiator |
| CN110149783A (en) * | 2019-06-03 | 2019-08-20 | 西安交通大学 | A kind of the free convection reinforcing radiator structure and heat dissipating method of non-homogeneous heat source distribution |
| CN112638110A (en) * | 2019-10-09 | 2021-04-09 | 立端科技股份有限公司 | Heat sink with layered structure |
| CN113552391A (en) * | 2020-04-24 | 2021-10-26 | 鸿劲精密股份有限公司 | Temperature conduction device and crimping mechanism, precooler and test classification equipment thereof |
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2010
- 2010-03-02 CN CN2010201223786U patent/CN201628915U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796475A (en) * | 2012-10-30 | 2014-05-14 | 英业达科技有限公司 | Heat radiation module and electronic device |
| CN103874395A (en) * | 2012-12-17 | 2014-06-18 | 西门子（上海）电气传动设备有限公司 | Radiator and frequency converter employing same |
| CN104684355A (en) * | 2013-11-27 | 2015-06-03 | 发那科株式会社 | Motor drive unit with heat sink dealing with drop of cutting fluid |
| CN104684355B (en) * | 2013-11-27 | 2018-08-28 | 发那科株式会社 | Have cutting fluid to drip the motor drive of countermeasure radiator |
| CN104902728A (en) * | 2014-03-03 | 2015-09-09 | 联想(北京)有限公司 | Electronic equipment and heat-radiating member |
| CN104902728B (en) * | 2014-03-03 | 2019-02-05 | 联想(北京)有限公司 | A kind of electronic equipment and radiating piece |
| CN107368165A (en) * | 2017-07-18 | 2017-11-21 | 浦江县顺光科技有限公司 | A kind of Simple radiator |
| CN110149783A (en) * | 2019-06-03 | 2019-08-20 | 西安交通大学 | A kind of the free convection reinforcing radiator structure and heat dissipating method of non-homogeneous heat source distribution |
| CN112638110A (en) * | 2019-10-09 | 2021-04-09 | 立端科技股份有限公司 | Heat sink with layered structure |
| CN113552391A (en) * | 2020-04-24 | 2021-10-26 | 鸿劲精密股份有限公司 | Temperature conduction device and crimping mechanism, precooler and test classification equipment thereof |
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