CN2518144Y

CN2518144Y - Integrated efficiency radiator

Info

Publication number: CN2518144Y
Application number: CN 01266117
Authority: CN
Inventors: 王天来
Original assignee: HUAFU SCIENCE-TECHNOLOGY Co Ltd
Current assignee: HUAFU SCIENCE-TECHNOLOGY Co Ltd
Priority date: 2001-10-24
Filing date: 2001-10-24
Publication date: 2002-10-23
Anticipated expiration: 2011-10-24

Abstract

The utility model relates to an integral type high efficiency radiator. In order to provide a computer part which can promote the heat rejection efficiency, can be manufactured and assembled simply, and can decrease the assembly cost, the utility model is provided. The utility model comprises an upper plate, a lower plate and a fan assembled on the outer surface of the upper plate; the upper plate and the lower plate which adopt a die and integrally molded through heat conduction material is in tight combination state; the opposite surface of the upper plate and the lower plate is concavely arranged to form the inward concave surface of a hollow and closed inner room, a capillary structure of a capillary groove is arranged on the inward concave surface; a plurality of heat radiation fins and a fixed seat corresponding to the fan and directly assembled on the upper plate are arranged on the outer surface of the upper plate; through a filling hole the motion fluid is filled into the inner room and the inner room is extracted into the vacuum is arranged on one side of the upper plate; and a guide air channel arranged in the radiating shape towards to the heat radiation fins is arranged between the heat radiation fins and the fixed seat.

Description

Integral type high-efficiency rate heating radiator

Technical field

The utility model belongs to machine element, particularly a kind of integral type high-efficiency rate heating radiator.

Background technology

The frequency of computer cpu (CPU) is higher, and the heat energy that is produced during its running is height relatively more, Pentium 4 processors of Intel (Intel) company new listing for example, and its frequency of operation promptly reaches more than the G Hz.Under high frequency like this, how therefore the heat energy nature that Pentium 4 processors are produced when running, promote the heat dissipation of heat abstractor far above in the past various processor, to keep the normal operation of CPU, then becomes the problem of a research.

Cooling measure to CPU is too numerous to enumerate, haply having the heat sink of radiating fin, or is equipped with fan, or forms the copper mesh of capillary structure in the heat sink laid inside, in the hope of improving radiating effect.

As shown in figure 13, known heat-pipe radiator 6 comprises heat-conducting seat 60, heat pipe 62 and the heat sink 64 that is connected by heat pipe 62 and heat-conducting seat 60.

Heat pipe 62 inside are provided with the capillary structure of filling action liquid.

Heat sink 64 is provided with uses the radiating fin 66 that enlarges area of dissipation.

Though the heat-pipe radiator 6 of this kind structure combines and aforementionedly commonly uses heat sink and thereby capillary structure has promoted radiating effect.But, therefore between element, produce thermal contact resistance, thereby influence its heat-sinking capability and life-span because its structure is non-integrally formed; And it is not only loaded down with trivial details with the production process that heat pipe 62 is incorporated into heat-conducting seat 60 and heat sink 64, and manufacturing cost also improves thereupon.Moreover, commonly use the structure of heating radiator, how do not consider at the setting of fan, thus need add fixed frame in addition, to be fixed in fan on the radiating fin or to be assembled in heating radiator one side, the problem of having taken a lot of work when so also having brought the assembling production costs.

Summary of the invention

The purpose of this utility model provides a kind ofly promotes heat dissipation, makes the integral type high-efficiency rate heating radiator that assembling is simple, reduce assembly cost.

The utility model comprises upper plate, lower plate and is assembled in the fan of upper plate outside surface; Utilize mould to be intimate-association state with the integrated upper and lower plate of heat-conducting; Upper and lower plate apparent surface is arranged with the inner concave that constitutes the airtight inner room of hollow, is provided with capillary structure into capillary groove in inner concave; The upper plate outside surface is provided with a plurality of radiating fins and and air feed corresponding with fan fanned the holder that directly is assembled on the upper plate; Upper plate one side is provided with to use and action liquid is packed into inner room and with the evacuated pack hole of inner room; Between radiating fin and holder, form the guiding air channel that is radial arrangement towards radiating fin.

Wherein:

Capillary structure is to be formed by the square-section capillary groove.

Capillary structure is to be formed by the trapezoid cross section capillary groove.

Capillary structure is to be formed by the triangular-section capillary groove.

The fan that is mounted on the upper plate outside surface is a Frame-free fan.

The upper plate outside surface is provided with corresponding with the moulding of Frame-free fan and supplies the directly external surrounding frame sheet that slightly is loop shaped of assembling of Frame-free fan.

Because the utility model comprises upper plate, lower plate and is assembled in the fan of upper plate outside surface; Utilize mould to be intimate-association state with the integrated upper and lower plate of heat-conducting; Upper and lower plate apparent surface is arranged with the inner concave that constitutes the airtight inner room of hollow, is provided with capillary structure into capillary groove in inner concave; The upper plate outside surface is provided with a plurality of radiating fins and and air feed corresponding with fan fanned the holder that directly is assembled on the upper plate; Upper plate one side is provided with to use and action liquid is packed into inner room and with the evacuated pack hole of inner room; Between radiating fin and holder, form the guiding air channel that is radial arrangement towards radiating fin.During use, the utility model system places the top of CPU thermal source with an end that is provided with fan.When producing heat when the CPU running, heat can be sent to heating radiator up according to the direction of arrow, thereby make the action liquid that is filled in inner room flash to steam and be full of inner room, accept the fan airstream heat radiation owing to be arranged at the radiating fin of stow away from heat side, cause its temperature lower, be condensed into liquid state so steam can be replied in the tool radiating fin side of stow away from heat; And the action liquid that condenses can reflux towards heat source side by the capillarity system that is the capillary structure of capillary groove.Promptly liquid phase-state change in inner room circulates and the principle of cooperation capillarity by moving, so heat energy can be conducted the stow away from heat place fast, and heat energy is conducted towards the radiating fin side by the airflow of fan and guiding air channel pilot flow, not only promote heat dissipation, and make and assemble simple, reduction assembly cost, thereby reach the purpose of this utility model.

Description of drawings

Fig. 1, be the utility model structural representation stereographic map.

Fig. 2, be the utility model decomposition texture schematic isometric.

Fig. 3, be A-A cut-open view (rectangular cross-section groove) among Fig. 1.

Fig. 4, be A-A cut-open view among Fig. 1 (trapezoid cross section groove).

Fig. 5, be A-A cut-open view among Fig. 1 (triangular-section groove).

Fig. 6, be the utility model action liquid action diagrammatic side view.

Fig. 7, be the utility model air flow diagrammatic top view.

Fig. 8, for the utility model structural representation stereographic map (upper and lower plate is L-shaped).

Fig. 9, be the utility model structural representation stereographic map (upper and lower plate be bending appearance).

Figure 10, for the utility model structural representation stereographic map (Frame-free fan is located at upper plate one end).

Figure 11, for the utility model structural representation stereographic map (Frame-free fan is located at upper plate central authorities).

Figure 12, for the utility model structural representation stereographic map (Frame-free fan is located at the upper plate stage casing).

Figure 13, commonly use the stereo appearance figure of heating radiator.

Embodiment

As shown in Figure 1 and Figure 2, the utility model integral type high-efficiency rate heating radiator 1 comprises upper plate 10, lower plate 20 and fan 30.

Upper and

lower plate

10,20 is to be intimate-association state; Fan 30 is to be assembled on the outside surface 100 of upper plate 10.

The structural system of upper and

lower plate

10,20 utilizes mould with heat-conducting, as heat conduction good metal or alloy one semisolid injection molding or die casts such as copper, magnesium, aluminium.As Fig. 3, Fig. 4, shown in Figure 5, upper and

lower plate

10,20 apparent surfaces are arranged with the inner concave 102,202 that constitutes the airtight inner room 40 of hollow, and this structure system can't make to squeeze the type method.Upper and

lower plate

10,20 is assembled in conjunction with the mode of sticking with welding, spot welding, ultrasonic or other, forms hollow and airtight inner room 40, for filling part action liquid and be evacuated.As shown in Figure 3, be the capillary structure that forms square-section

capillary groove

12,22 on inner concave 102,202; As shown in Figure 4, be to form trapezoid cross section capillary groove 12 ', 22 ' capillary structure on inner concave 102,202; As shown in Figure 5, on inner concave 102,202, be to form triangular-section capillary groove 12 ", 22 " capillary structure.Because this capillary structure system is integrally formed in upper and

lower plate

10,20 inside, can produce the problem of interface thermal resistance because of the element quality differs so nothing is commonly used structure.

As shown in Figure 2, end system in upper plate 10 outside surfaces 100 is provided with a plurality of radiating fins 14, the other end in outside surface 100, be provided with and fan 30 is corresponding and air feed fan 30 holders 16 that directly are assembled on the upper plate 10, upper plate 10 1 sides are provided with to use and action liquid are packed into inner room 40 and with inner room 40 evacuated pack holes 18.When in inner room 40 filling an amount of action liquid and after being evacuated, be about to pack hole 18 sealings.For the action liquid of filling is to have the chemical substance liquid of meeting thermal evaporation, meeting cold reduction characteristic, as pure water, methyl alcohol, toluene, propyl alcohol or refrigerant etc.The boundary forms the guiding air channel 17 that is radial arrangement towards radiating fin 14 between radiating fin 14 and holder 16.

During use, as Fig. 6, shown in Figure 7, the utility model system places the top of CPU thermal source 1A with an end that is provided with fan 30.When producing heat when the CPU running, because upper and

lower plate

10,20 is to make with heat-conducting, heat can be sent to heating radiator 1 up according to the direction of arrow, thereby make the action liquid that is filled in inner room 40 flash to steam 1B and be full of inner room 40, accept the heat radiation of fan 30 air-flows owing to be arranged at the radiating fin 14 of stow away from heat 1A side, cause its temperature lower, be condensed into liquid state so steam 1B can reply in the side of the tool radiating fin 14 of stow away from heat 1A; And the action liquid that condenses is by for

capillary groove

12,22,12 ', 22 ', 12 ", 22 " the capillarity system of capillary structure can be towards thermal source 1A side reflux.Promptly liquid phase-state change in inner room 40 circulates and the principle of cooperation capillarity by moving, so heat energy can be conducted fast stow away from heat 1A place; Cooperate the effect in fan 30 and guiding air channel 17 on the other hand, flow air stream 1D also can conduct heat energy towards radiating fin 14 sides.The heat transferred that the CPU running time is produced is to radiating fin 14 sides, and follows heat dissipation direction 1E and be able to fast that row looses.

But the utility model also spatial design, the configuration of other parts and the air outlet of adaptive circuit plate the position and change its appearance.

As shown in Figure 8, upper and lower plate 10a, the 20a of the utility model integral type high-efficiency rate heating radiator 1a are L-shaped.

As shown in Figure 9, upper and lower plate 10b, the 20b of the utility model integral type high-efficiency rate heating radiator 1b system is bending appearance.

As shown in figure 10, the fan established of the utility model integral type high-efficiency rate heating radiator 1c upper plate 10c group is a Frame-free fan 50.Integral type high-efficiency rate heating radiator 1c is provided with a plurality of radiating fin 14c in the end of upper plate 10c outside surface 100c system, is provided with corresponding with the moulding of Frame-free fan 50 and for Frame-free fan 50 directly the external surrounding frame sheet 15c that slightly is loop shaped and the holder 16c of assembling in the other end of outside surface 100c.

As shown in figure 11, the fan established of the utility model integral type high-efficiency rate heating radiator 1d upper plate 10d outside surface 100d center stack is a Frame-free fan 50.Be provided with radiating fin 14d in upper plate 10d two ends; Upper plate 10d central authorities both sides are provided with corresponding with the moulding of Frame-free fan 50 and supply the directly external surrounding frame sheet 15d of the curved shapes of assembling of Frame-free fan 50.

As shown in figure 12, the upper and lower plate 10e of the utility model integral type high-efficiency

rate heating radiator

1e, 20e system is slightly L-shaped, and the fan that upper plate 10e outside surface 100e stage casing group is established is a Frame-free fan 50.Protrude out end in upper plate 10d two and be provided with radiating fin 14d; Upper plate 10d outside surface 100e stage casing is provided with corresponding with the moulding of Frame-free fan 50 and supplies the directly external surrounding frame sheet 15e of the curved shapes of assembling of Frame-free fan 50.

Commonly using to squeeze the heating radiator that the type method is made, is to make the appearance as this creation the various embodiments described above with integrally formed method.

Commonly using heat abstractor is that the mat heat exchange pattern is progressively diffused to heat energy radiating fin and arranged diffusing by thermal source, because the existence of diffusion thermal resistance, so not all radiating fin is the energy efficiently radiates heat all, the temperature distribution state of heat abstractor presents inhomogeneously in when running, and radiating efficiency is reduced.

The phase-state change circulation of the utility model utilization action liquid cooperates radiating fin, and temperature distribution state is very even when running, and all radiating fins all can effectively be brought into play heat radiation, and can reach best radiating effect.

In sum, the utility model really can improve radiating efficiency effectively, and can simplify the step that heating radiator is made assembling, thereby reaches the effect that reduces cost.

Claims

1, a kind of integral type high-efficiency rate heating radiator, it comprises upper plate, lower plate and is assembled in the fan of upper plate outside surface; It is characterized in that the described mould that utilizes is intimate-association state with the integrated upper and lower plate of heat-conducting; Upper and lower plate apparent surface is arranged with the inner concave that constitutes the airtight inner room of hollow, is provided with capillary structure into capillary groove in inner concave; The upper plate outside surface is provided with a plurality of radiating fins and and air feed corresponding with fan fanned the holder that directly is assembled on the upper plate; Upper plate one side is provided with to use and action liquid is packed into inner room and with the evacuated pack hole of inner room; Between radiating fin and holder, form the guiding air channel that is radial arrangement towards radiating fin.

2, integral type high-efficiency rate heating radiator according to claim 1 is characterized in that described capillary structure is for to be formed by the square-section capillary groove.

3, integral type high-efficiency rate heating radiator according to claim 1 is characterized in that described capillary structure is for to be formed by the trapezoid cross section capillary groove.

4, integral type high-efficiency rate heating radiator according to claim 1 is characterized in that described capillary structure is for to be formed by the triangular-section capillary groove.

5, integral type high-efficiency rate heating radiator according to claim 1 is characterized in that the described fan that is mounted on the upper plate outside surface is a Frame-free fan.

6, integral type high-efficiency rate heating radiator according to claim 5 is characterized in that described upper plate outside surface is provided with the external surrounding frame sheet that slightly is loop shaped corresponding with the moulding of Frame-free fan and that supply Frame-free fan directly to assemble.