CN2567932Y

CN2567932Y - Flat assembly heat sink

Info

Publication number: CN2567932Y
Application number: CN 02236178
Authority: CN
Inventors: 郑文迪
Original assignee: Mitac International Corp
Current assignee: Mitac International Corp
Priority date: 2002-05-21
Filing date: 2002-05-21
Publication date: 2003-08-20
Anticipated expiration: 2012-05-21

Abstract

The utility model relates to a flat assembly radiator, which is mainly composed of a main body of an outer housing, a fan unit and a heat radiation unit, wherein, the fan unit is a fan which has the efficiency of lateral air outlet; the heat radiation unit is provided with a plurality of fin sheets with a sheet-shaped structure, which are in equidistant array. The fan unit and the heat radiation unit are fixed on the main body of an outer housing in a lateral adjacent mold in order to cause the direction of the fin sheets are parallel to the air outlet direction of the fan unit. By means of the design that the fan is arranged on the top end of the heat radiation unit, which is changed into the side end of the heat radiation unit, not only the heat radiation efficiency can be efficiently upgraded, and the installaion of other needless fans and wind guiding pipes is reduced, but also the cost can be reduced, and meanwhile, the utility model has the advantages that the service life of the fan is increased and the system noise is reduced. On the other hand, the design and develop cost can be effectively saved by the modularization design which consists with the practical purpose.

Description

The flat pack radiator

(1) technical field

The utility model relates to a kind of flat pack radiator, refers in particular to a kind of fan and heat-sink unit and is formed with the adjacent arrangement mode of side direction, is used for required installing space, the processor heat sink that its thickness space is limited.

(2) background technology

At present the employed servo host of manufacturer of large-scale website and system is to be placed on the display rack in the posture mode of putting in the line and to be made up binding by many servers, still can be placed in new server on the display rack smoothly and buy for the convenience of the users and keep in repair or eliminate in the future after changing server, therefore the manufacturer draws up a fixing specification at the size of this server, and this server with certain length size is the 1U server.In addition, because the manufacturer of system needs the 1U server of quite a lot of quantity to link, so the only about 44mm of the total height of this 1U server, can give the only about 21mm in space that radiator uses.Yet tradition is used for the radiator of personal computer and surpasses 44mm mostly, and this traditional radiator places the 1U server that the problem of insufficient space can take place and can't use.

Because the about 44mm of 1U server total height (as shown in Figure 1), reduced many than general traditional desktop server height in hand, the surplus highly approximately 37mm of this height in hand deduction motherboard A and fixing feet B, deduct back surplus 26mm of processor C and its fixed thickness again, and the traditional heat-dissipating device is necessary for fan D air intake vent reservation 5mm space to avoid airflow obstruction, so only can use the radiator of the about 21mm of total height (containing fan) in the choice at most.

Can obtaining at present total height on the market, to be no more than the radiator of 21mm very little, and place the 1U server, its radiating efficiency can not show a candle to former designed capacity, main key is that its fan D air inlet top only has the space of 5mm can allow gas enter at most, this phenomenon causes the actual air-out ability of fan D to lower, cause radiating efficiency to have a greatly reduced quality, so it is also therefore limited to use its operating frequency of processor C of this kind radiator, and server usefulness also reduces relatively.

In addition, above-mentioned small-sized traditional radiator that can be placed in the 1U server but can not solve processor C because of high heat problem that high frequency produced.Such as, improper and fan D of the design of attached fan D air draught direction and fin E relative position design improperly on the traditional heat-dissipating device, make fan D rotor Yin Gaore and reduce usefulness or reduce the life-span; Or, must rely on the traditional heat-dissipating device and to install several system fan and guide duct additional to solve the poor heat radiation problem, not only cause the difficulty of mechanism's particular design and excessive or the like the problem of the too high and system noise of manufacturing cost is arranged.

For this reason, the utility model the designer concentrate on studies, and cooperate the application of studying the science, and through constantly making great efforts, test and improving, propose a kind of design cleverly finally, and can effectively improve a kind of flat pack radiator of above-mentioned shortcoming.

(3) utility model content

Main purpose of the present utility model is to be to provide a kind of flat pack radiator, it mainly is to be positioned at the fan on heat-sink unit top in the conventional small radiator, change the side that is arranged at heat-sink unit into, vacate with this height space that thickness of fan own is shared (about 10mm), not only can allow the design of heat-sink unit that the space of more changeableization and performance is arranged, unnecessary space can prevent effectively that airflow obstruction from increasing the radiating efficiency of radiator, effectively solves the high heat problem that the traditional heat-dissipating device can't solve Electrosurgical treatment equipment simultaneously.

Another purpose of the present utility model is to be to provide a kind of flat pack radiator, by a modularization structure is provided, make the type body of housing fix, fan and fin are a replaceable modules, make the utility model can change the fan or the fin of different brackets according to different user demands.

Another purpose of the present utility model is to be to provide a kind of flat pack radiator, by changing the position that fan is installed, can directly solve the high heat problem of Electrosurgical treatment equipment, unnecessary system fan and guide duct be need not install additional, but manufacturing cost and the excessive problem of resolution system noise not only can be effectively reduced.

A purpose more of the present utility model is to be to provide a kind of flat pack radiator, in be contained in the screw of this flat pack radiator, be can directly be locked in motherboard when mounted, do not need additionally to get the action of drawing screw.

The purpose of this utility model is achieved in that a kind of flat pack radiator, comprising:

One housing main body, this housing main body is respectively equipped with fan unit holder and heat-sink unit holder in the adjacent mode of side direction;

One fan unit, this fan unit then are for having the fan of side direction air-out effect, and it utilizes a fixed structure to be fixed on the fan unit holder on the described housing main body; And,

One heat-sink unit, this heat-sink unit are provided with several fins that is equidistant arrangement laminated structure, and it is to utilize a fixed structure to be fixed on the heat-sink unit holder on the described housing main body, make the direction of fin be parallel to the air-out direction person of fan unit.

Advantage of the present utility model: effectively solve the high heat problem that the traditional heat-dissipating device can't solve Electrosurgical treatment equipment; Can change the fan or the fin of different brackets according to different user demands; But effectively reduce manufacturing cost and the excessive problem of resolution system noise; Easy for installation, can directly be locked in motherboard when mounted, do not need additionally to get the action of drawing screw.

For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is the floor map of traditional heat-dissipating device.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is a three-dimensional combination figure of the present utility model.

Fig. 4 is the end view of the utility model and motherboard combination.

Fig. 5 is the front view of the utility model and motherboard combination.

Fig. 6 is a bottom view of the present utility model.

(5) embodiment

At first, see also Fig. 2 and Fig. 3, it is to be respectively three-dimensional exploded view of the present utility model and three-dimensional combination figure of the present utility model, a kind of flat pack radiator that the utility model disclosed, it mainly is by housing main body 1, fan unit 2 and heat-sink unit 3 are formed, wherein, 2 of fan units are the fans that has side direction air-out effect for a kind of, heat-sink unit 3 then is made by the high conduction coefficient material, which is provided with several fins that is equidistant arrangement laminated structure 31, be respectively equipped with fan unit holder 11 and heat-sink unit holder 12 in the adjacent mode of side direction on the housing main body 1, make this fan unit 2 and heat-sink unit 3 can utilize fixed structure to be fixed on the fan unit holder 11 and heat-sink unit holder 12 set on this housing main body 1 respectively, the mode that makes this fan unit 2 and heat-sink unit 3 can side direction arrange be fixed on the housing main body 1 and on the heat-sink unit 3 direction of fin 31 are the air-out directions that are parallel to fan unit 2.

By the described structure of leading portion, the utility model is fixed in makes heat-sink unit 3 directly contact on the processor fixing with processor 5 (shown in Figure 4), the characteristic of utilizing high conduction coefficient that heat-sink unit 3 has is delivered to the high temperature that processor 5 work are produced on the fin 31, again the cold air of being sent by this fan unit 2 via the space of 31 of fins by and take away the effect that heat energy on the fin 31 reaches cooling.Because the top that the utility model is located at heat-sink unit 3 with fan unit 2 by tradition changes the side that is arranged at heat-sink unit 3 into, and both are combined with a Componentized housing 1, the utilization height space (about lOmm) that fan unit 2 thickness own are shared is vacated, not only can allow the design of heat-sink unit 3 that the space of more changeableization and performance is arranged, simultaneously vacated with this that unnecessary space can effectively prevent airflow obstruction and the radiating efficiency that increases heat-sink unit 3 effectively solves the high heat problem that the traditional heat-dissipating device can't solve Electrosurgical treatment equipment.

In the above-mentioned structure, the gross thickness (as the X value that is indicated among Fig. 4) that heat-sink unit 3 embeds housing main body 1 is the gross thickness (as the Y value that is indicated among Fig. 4) that embeds housing main body 1 greater than fan unit 2: its thickness difference (as the Z value that is indicated among Fig. 4), for reserving a space in fan unit 2 inlet scoops, make air draught smooth and easy, suck wind and thermal source is taken out of via fin 31 structures of heat-sink unit 3.

In addition, the utility model is in above-mentioned structure, and selecting for use of fan unit 2 is a vertical air that sucks, and the turbine type blade that side direction derives can be the axial flow fan or the centrifugal fan of side direction air-out.In addition, the material of heat-sink unit 3 can be common metal such as aluminium, copper, or optionally selects noble metals such as silver with better conduction efficiency, gold for use.Fin 31 on the heat-sink unit can mechanical processing procedure such as type, embedding, forging, casting, welding makes in order to squeeze.Componentized housing main body 1 material can be plastics or metal.The visual radiating requirements decision of bulk shape size.

Referring to Fig. 2,3, the utility model in said structure in order to fan unit 2 is fixed in the fixed structure on the set fan unit holder 11 on this housing main body 1, its be can for a fastening structure to reach fast and the purpose of ease of assembly, wherein fan unit 2 further is made up of a fan main body 21 and a loam cake 22, and above-mentioned fastening structure mainly is to be provided with spacer 221 and trip 222 in loam cake 22 appropriate locations of fan unit 2, be engaged in simultaneously that the position with respect to above-mentioned spacer 221 and trip 222 is respectively equipped with groove 13 and fastening hole 14 on the housing main body 1, utilize the design of said structure, the user can place fan unit 2 on the set fan unit holder 11 of housing main body 1, is that set spacer 221 of the loam cake 22 of fan unit 2 and trip 222 pass respectively in groove set on the housing main body 1 13 and the fastening hole 14 and fasten and locate.

Referring to Fig. 2,3, the utility model in said structure in order to heat-sink unit 3 is fixed in the fixed structure on the set heat-sink unit holder 12 on this housing main body 1, its be can for a fastening structure to reach fast and the purpose of ease of assembly, and mainly being appropriate location on housing main body 1 two side faces, above-mentioned fastening structure is provided with projection 15 and trip 16, be engaged in simultaneously that the position with respect to above-mentioned projection 15 and trip 16 is respectively equipped with location hole 32 and fastening hole 33 on the heat-sink unit 3, utilize the design of said structure, the user can place heat-sink unit 3 on the set heat-sink unit holder 12 of housing main body 1, projection 15 set on housing main body 1 two side faces and trip 16 is passed respectively in location hole set on the heat-sink unit 3 32 and the fastening hole 33 fasten and locate.

One of advantage of the present utility model is modularization.Be but that fan unit 2 all is an independent design with heat-sink unit 3, the processor 5 that need release at different times and redesign is made not, only need strengthen air output or go out blast, or the radiating effect of reinforcement heat-sink unit 3 can effectively promote its radiating effect at fan unit 2.So not only can save the redesign cost of developing, also can therefore determine a new radiator design standard, follow direction with one of the designer that the manufacturer is provided.

The utility model is to have an appropriate intervals between fan unit holder 11 set on the housing main body 1 and heat-sink unit holder 12, make the thermal source of heat-sink unit 3 can not conduct to fan unit 2 because of directly contacting fan unit 2, therefore, the influence that fan unit 2 is not heated can have preferable operating efficiency and useful life.

Because can effectively promoting radiating efficiency, design of the present utility model reaches the effect that reduces high temperature that Electrosurgical treatment equipment produces, therefore the utility model is installed and be applied to 1U server type, need not install unnecessary system fan and guide duct additional and get final product the resolution system heat dissipation problem, not only can avoid the difficulty of mechanism's particular design, also can reduce the project of factory-assembled, the most important thing is to lower unnecessary system fan assembly cost and system noise.

Structure of the present utility model be except can installing and using in the server of special requirements such as 1U server as above-mentioned explanation, and it is fit to equally be installed at present all on the market employed processors of desktop PC and has an identical preferable heat radiation function.

The utility model further is being provided with several counterbores 17 on the housing main body 1 with on the contact-making surface of heat-sink unit 3; Be engaged in simultaneously that the position with respect to above-mentioned counterbore 17 is provided with through hole 34 on the heat-sink unit 3, in counterbore 17, can insert a Spring screws 4 (as Fig. 4, Fig. 5 and shown in Figure 6), the screw terminal of this Spring screws 4 and the external diameter of spring are the internal diameters greater than above-mentioned through hole 34, therefore when heat-sink unit 3 is fastened on housing main body 1, Spring screws 4 can be limited to wherein, can utilize when making things convenient for the user the utility model will be combined with processor 5 above-mentioned Spring screws 4 is locked on the motherboard 6 and do not need the extra action of drawing screw of getting with this.

In sum, the utility model not only has feature simple in structure, easy to manufacture, and can solve the shortcoming that the not good and fan of conventional small radiator heat-dissipation efficient damages fault easily really, so, its practicality is unquestionable, and the utility model provides a Componentized housing main body and the technological means that the mode that fan unit and heat-sink unit are arranged with side direction is fixed in housing main body is not also seen any publication or public occasion before application, its novelty has no doubt, so the dark tool utility model patent of this case important document.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.

Claims

1. flat pack radiator is characterized in that it comprises:

2. as claim 1 described a kind of flat pack radiator, it is characterized in that described heat-sink unit camphane goes into the gross thickness of housing is gone into housing greater than the fan unit down gross thickness; Its thickness difference is reserved a space for the fan unit inlet scoop, makes air draught smooth and easy, sucks wind and via fin structure thermal source is taken out of.

3. as claim 1 described a kind of flat pack radiator, it is characterized in that described fan unit is a vertical air that sucks, the turbine type blade that side direction derives.

4. as claim 1 described a kind of flat pack radiator, it is characterized in that described fan unit is axial flow fan or centrifugal fan.

5. as claim 1 described a kind of flat pack radiator, it is characterized in that having an appropriate intervals distance between fan unit holder set on the described housing main body and the heat-sink unit holder.

6. as claim 1 described a kind of flat pack radiator, it is characterized in that fin utilization on the described heat-sink unit squeezes mechanical processing procedures such as type, camphane are gone into, forging, casting, welding and make.

7. as claim 1 described a kind of flat pack radiator, it is characterized in that described is to be a fastening structure in order to the fixed structure that fan unit is fixed on the housing main body.

8. as claim 7 described a kind of flat pack radiator, it is characterized in that described fastening structure mainly is to be provided with spacer and trip in the loam cake appropriate location of fan unit, be engaged in simultaneously that the position with respect to above-mentioned spacer and trip is respectively equipped with groove and fastening hole on the housing main body.

9. as claim 1 described a kind of flat pack radiator, it is characterized in that described is to be a fastening structure in order to the fixed structure that heat-sink unit is fixed on the housing main body.

10. as claim 9 described a kind of flat pack radiator, it is characterized in that described fastening structure mainly is that appropriate location on the housing main body two side faces is provided with projection and trip, be engaged in simultaneously that the position with respect to above-mentioned projection and trip is respectively equipped with location hole and fastening hole on the heat-sink unit.

11., it is characterized in that described housing can make with the material of different high conduction coefficients according to actual radiating requirements as claim 1 described a kind of flat pack radiator.

12., it is characterized in that also being provided with several counterbores on the described housing main body with on the contact-making surface of heat-sink unit as claim 1 described a kind of flat pack radiator; Be engaged in simultaneously that the position with respect to counterbore is provided with through hole on the heat-sink unit, in counterbore, can insert a Spring screws, the screw terminal of this Spring screws and the external diameter of spring are the internal diameters greater than above-mentioned through hole, therefore Spring screws can be limited to wherein when heat-sink unit is fastened on the housing main body.