CN2428866Y - Laminated radiator - Google Patents

Abstract

The utility model relates to a laminated radiator. The utility model is produced for providing a heat exchanging device component which has the advantages of easy and convenient production, low cost, high heat efficiency, and good use performance. The utility model comprises a plurality of heat radiating fins which are laminated, wherein, the corresponding positions of the heat radiating fins are respectively provided with corresponding wind inlet perforations; protrusion parts through which supports, wind passages, and heat transferring interfaces between two neighboring heat radiating fins are formed are respectively arranged on the heat radiating fins.

Description

The laminated type radiator

The utility model belongs to the heat-exchange device parts, particularly a kind of laminated type radiator.

Be used in the radiating subassembly on the central processing unit (CPU) now, or be the integrated radiating fin of aluminium extruded type; Or be the heat pipe type heat abstractor; Or be the multiple-piece combining structure.As shown in Figure 12 and Figure 13, the radiator structure of electronic installation employing comprises base plate 11, top board 12, most stacked fin 13 and most long and short heat transfer floor 14,15 that is fixed between base plate 11 and the top board 12.Base plate 11, top board 12 and each fin 13 opposite positions are provided with the fan installing port 17 that fan 19 is installed.Most long and short heat transfer floors 14,15 are the prolate shape lamellar body, and its lateral margin along its length is streamlined.All keep suitable gap 16 between each fin 13 and between fin 13 and base plate 11 and the top board 12, most long and short heat transfer floors 14,15 are mounted on top board 12 and the most fin 13 by rivet 18 impermeable rivetings, and be positioned at each 16 place, gap, and show greatly fan installing port 17 for the center towards periphery direction extend.Long and short heat transfer floor 14,15 in this structure is made being not easy, and is needed the block-by-block winding because area is quite little.The long and short heat transfer floor 14,15 that is positioned at 16 places, gap simultaneously occupies than large space, will make air-flow enter 16 backs, gap and around long and short heat transfer floor 14,15, form wake flow (wake), though it is provided with the wind-guiding angle of bending, but because of it has certain width, still have sizable wake flow and take place, and, the channel of air stream is reduced because of it occupies many spaces, can increase flow resistance, also reduce service efficiency.So, known problem is for making difficulty, because volume is little, be provided with numerous holes again, make processing difficulties and complexity, and need to fix each assembly to count rivet 18, the time that anabolic process is taken is long, and relatively be not easy to finish, the integral heat sink effect is not high, can only be applicable to the less demanding electronic building brick of low order heat radiation.Especially Zu Zhuan complexity has more increased cost of manufacture.Since wake flow generation, also noise can take place in gas flow.So there is the making difficulty in this type of radiator of commonly using, cost is high, radiating efficiency is low, the deficiency of serviceability difference.

The purpose of this utility model provides a kind of laminated type radiator simple, that cost is low, radiating efficiency is high, serviceability is good of making.

The utility model comprises the fin that number is stacked, is respectively equipped with corresponding air intake perforation on the opposite position in each fin; Be respectively equipped with the jut that constitutes support, air channel and heat transfer interface between the two adjacent fin on each fin.

Wherein:

Each fin air intake perforation place is provided with fan.

Fan is arranged on the end face fin.

For the fan of axial-flow type is placed through in each fin air intake perforation.

Air intake perforation on each fin is set for the eccentric.

Each fin is with solder bond.

Jut on the fin is a continuous point-like raised structures more than at least one.

Jut on the fin is at least one above strip raised structures.

Jut on the fin is near air intake perforation on it.

Jut on the fin is the breach that breaks through.

The top or the fin of bottom extend a tabs that can cover the side at least.

Tabs and each fin side edge are closed.

Fin three sides of top or bottom extend and can cover three tabs that three sides constitute only a wind outlet.

Each fin is provided with and forms sealing and the prominent bar of the guiding of the structure of water conservancy diversion.

Jut on the adjacent fin is different shape setting.

Jut on the adjacent fin is identical shape setting, and the jut height is greater than the gap between the two adjacent fin.

Because the utility model comprises the fin that number is stacked, be respectively equipped with corresponding air intake perforation on the opposite position in each fin; Be respectively equipped with the jut that constitutes support, air channel and heat transfer interface between the two adjacent fin on each fin.During manufacturing, each fin storehouse is convenient, making is easy; During heat radiation, the size of jut is little, be not easy to form wake flow, enlarge the air channel volume, effectively reduce flow resistance, the heat of electronic installation is transmitted toward the superiors by orlop piecewise via the jut of fin in regular turn, and carry out thermal diffusion in the gap of each layer simultaneously, not only make simple, cost is low, and radiating efficiency height, serviceability are good, thereby reach the purpose of this utility model.

Fig. 1, be the utility model structural representation stereogram.

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

Fig. 3, be the utility model structural representation end view.

Fig. 4, be the utility model structural representation vertical view.

Fig. 5, for the utility model structural representation vertical view (fin is provided with 16 strip juts).

Fig. 6, for the utility model decomposition texture schematic isometric (jut is the prominent bar of bar shaped).

Fig. 7, be the utility model structural representation stereogram (side sealing).

Fig. 8, be the utility model structural representation stereogram (sealing of three sides).

Fig. 9, be the utility model structural representation stereogram (three sides sealing, four jiaos set the folding part).

Figure 10, be fin storehouse schematic diagram (it is cone-shaped that jut is) in the utility model.

Figure 11, be fin storehouse schematic diagram (the jut side of being shape) in the utility model.

Figure 12, be known electronic apparatus heat radiation construction stereogram.

Figure 13, be known electronic apparatus heat radiation construction decomposition texture schematic isometric.

Below in conjunction with accompanying drawing the utility model is further elaborated.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, shown in Figure 11, the utility model comprises stacked fin 2, the heat-conducting plate 3 of number and is arranged at fan 4 on the fin 2.At least one deck fin 2 is provided with the jut 20 integrally formed with fin 2, forms adjacent 2 high positions of fin by jut 20.As Figure 10, shown in Figure 11, jut 20a, 20b position between adjacent fin 2a, 2b can be identical.Also can be as shown in Figure 3, the jut 20c position between adjacent fin 2c can be different.Can make fin 2a, 2b, 2c storehouse successfully.As shown in Figure 1 and Figure 2, be respectively equipped with corresponding air intake perforation 22 on the opposite position in each fin 2, air intake perforation 22 can be located at the center, also can be located at eccentric part, and air intake 22 places of boring a hole are provided with fan 25 relatively.Fan 25 can connect and be located at the utility model end face fin 2 tops, also can be arranged in each air intake perforation 22.As shown in Figure 3, fan 25 adopts hanging style.Also can be as shown in Figure 1, fan 25 adopts underslung type.On arbitrary fin 2 in the middle of fan 25 also can be fixed in and be positioned at, and 20 orientations of the jut on the fin 2 cooperate the blade air draft direction of fan 25, can be smoothly by air intake perforation 22 cooling air be guided in the space that enters between the fin 2 apace smooth-goingly, produce better heat radiation function, reduce and use height.

As shown in Figure 2, the jut 20 (20a, 20b, 20c, 20d) of fin 2 (2a, 2b, 2c, 2d) is the support between two fin 2 (2a, 2b, 2c, 2d), and constitutes air channel and heat transfer interface.Jut 20 is the continuous shape that is formed by punching press.Also can be as shown in Figure 6, jut 23 is the prominent bar of bar shaped.Also can be the nick shaped that breaks through.As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, jut 20,20c are four, eight point-like or strip jut.As shown in Figure 5, jut 20d is 16 strip juts.Because jut 20a, 20b, 20c, 20d are directly by fin 2a, 2b, last one-body molded being stamped to form of 2c, 2d, the size of jut 20a, 20b, 20c, 20d can be quite little, so be not easy to form wake flow at 22 places of boring a hole near air intake, and the shared gap of jut 20a, 20b, 20c, 20d is quite little, can enlarge the use volume in air channel, and can effectively reduce flow resistance, and increase advection heat biography coefficient (heattransfer coefficiency).As shown in Figure 3, jut 20c is its clearance height between each adjacent fin 2c, so the jut 20c of each fin 2c need stagger storehouse smoothly.As Figure 10, shown in Figure 11, jut 20a, the 20b of fin 2a, 2b height is greater than the gap between two adjacent fin 2a, the 2b, so the 20a of its upper process portion, 20b need not dystopy.As shown in figure 10, jut 20a is cone-shaped, and it is much larger than the gap between the two adjacent fin 2a.As shown in figure 11, the jut 20b side of being shape, the gap between the two adjacent fin 2b is a jut 20b height minus thickness of slab.So the setting of these two kinds of jut 20a, 20b is storehouse smoothly.

Available suitable mode combines between each fin 2 (2a, 2b, 2c, 2d) and heat-conducting plate 3 and each fin 2 (2a, 2b, 2c, 2d), as welding (welding), sintering (sintering) or gummed (gluing).Welding (welding) can be spot welding (spot welding), hard solder (brazing) or soft soldering (soldering) etc.As shown in Figure 1, also can be a kind of locate mode interface arrangment,, go out the skewed down folding part 21 long respectively than each jut 20 vertical height promptly in four corners of fin 2,2 four jiaos of the fin of top are overlapped on the fin 2 of below, so, storehouse forms in regular turn, can constitute one group of structure that is easy to combination, and because 2 of two fin are the mode combination with overlap joint, its position capable of automatic aligning and need not to adjust again can not be offset, and dimensionally stable.

In sum, the utility model utilization is in the direct integrally formed mode of punching press, at fin 2 (2a, 2b, 2c, produce jut 20 (20a 2d), 20b, 20c, 20d) the prominent jut 23 of putting or be prominent bar of formed wire, constitute minimum guiding structural, remove and have the two adjacent layer fin of support, 2 (2a, 2b, 2c, outside effect 2d), main for using generation heat conduction function, being the heat of being accepted of the fluid heat conducting inserts 3 contacted of cold air with it from fan 25, earlier via fin 2 (2a, 2b, 2c, jut 20 (20a 2d), 20b, 20c, 20d, 23), transmit toward the superiors piecewise by orlop, and carry out thermal diffusion in the gap of each layer simultaneously.By the fan 25 that is provided with, introducing air stream by the top imports towards air intake perforation 22, just branch to the gap location of each layer, utilize air stream that the heat on the fin 2 (2a, 2b, 2c, 2d) is taken away, with continuous cooling radiator, make electronic installation, gone out by bulk storage apace, reach hot-swap feature as heat energy that central microprocessor produced.

The utility model is provided with guiding fan 25 flabellum fluids especially and discharges the jut 20 (20a, 20b, 20c, 20d, 23) for prominent point or prominent bar that direction is provided with, water conservancy diversion enters on each gap of fin 2 (2a, 2b, 2c, 2d) to allow air to flow more swimmingly, produces better air draft process.So flow resistance is minimum, noise is minimum and convection current carry-over factor amount height.In addition, because jut 20 (20a, 20b, 20c, 20d, 23) is not high, can storehouse under the state of constancy of volume multi-disc fin 2 (2a, 2b, 2c, 2d), the density maximum that produces, and storehouse is convenient, make easily, pass under the effect in the heat that equates, required volume minimum meets compact requirement, and the position is set jut 20 (20a, 20b, 20c, 20d, 23) and quantity flexibility is bigger, whole uniform temperature is good, good usability and assembleability can be provided, and can realize radiator 360 ° of air drafts on every side, the air output maximum is the most even.

As shown in Figure 7, also can upwards extend folding part 41,, become the structure of restriction air draft wind direction to form part side closing form in bottom panel 4 of the present utility model.

As shown in Figure 8, off-centre is provided with fan 25 on several layers of fin 2, its three side all upwards extends folding part 41,42,43 with bottom panel or top panel, to form three side closing forms, a side air-out of side around only allowing, and last folding part 42,43,44 can be closed with the side edge of fin 2, to increase thermal conduction effect.By jut 23 and the guiding prominent bar 26,27,28 of the number on the fin 2, make fluid extremely outlet of guide more swimmingly for prominent bar.Wherein can also guide the structure that prominent bar 26,27,28 forms sealing and water conservancy diversion.

As shown in Figure 9, each fin 2 only is provided with a spot-like projections portion 20 in the centre, off-centre is provided with fan 25 on several layers of fin 2, its three side all upwards extends folding part 41,42,43 with bottom panel or top panel, to form three side closing forms, a side air-out of side around only allowing, and go up folding part 41,42,43 and can close with the side edge of fin 2, to increase thermal conduction effect.Four corners of each fin 2 extend skewed down folding part 21 respectively downwards, and 2 four jiaos of the fin of top are overlapped on the fin 2 of below.

Claims (16)

1, a kind of laminated type radiator, it comprises the fin that number is stacked, is respectively equipped with corresponding air intake perforation on the opposite position in each fin; It is characterized in that being respectively equipped with on described each fin the jut that constitutes support, air channel and heat transfer interface between the two adjacent fin.

2, laminated type radiator according to claim 1 is characterized in that described each fin air intake perforation place is provided with fan.

3, laminated type radiator according to claim 2 is characterized in that described fan is arranged on the end face fin.

4, laminated type radiator according to claim 2 is characterized in that describedly being placed through in the perforation of each fin air intake for the fan of axial-flow type.

5, laminated type radiator according to claim 1 is characterized in that the air intake perforation on described each fin is set for the eccentric.

6, laminated type radiator according to claim 1 is characterized in that described each fin is with solder bond.

7, laminated type radiator according to claim 1 is characterized in that the jut on the described fin is a continuous point-like raised structures more than at least one.

8, laminated type radiator according to claim 1 is characterized in that the jut on the described fin is at least one above strip raised structures.

9, laminated type radiator according to claim 1 is characterized in that the jut on the described fin is bored a hole near air intake on it.

10, laminated type radiator according to claim 1 is characterized in that the jut on the described fin is the breach that breaks through.

11, laminated type radiator according to claim 1, the fin that it is characterized in that described top or bottom extend a tabs that can cover the side at least.

12, laminated type radiator according to claim 11 is characterized in that described tabs and each fin side edge close.

13, laminated type radiator according to claim 11, fin three sides that it is characterized in that described top or bottom extend and can cover three tabs that three sides constitute only a wind outlet.

14, laminated type radiator according to claim 11 is characterized in that described each fin is provided with the prominent bar of guiding of the structure that forms sealing and water conservancy diversion.

15, laminated type radiator according to claim 1 is characterized in that the jut on the described adjacent fin is different shape setting.

16, laminated type radiator according to claim 1 is characterized in that the jut on the described adjacent fin is identical shape setting, and the jut height is greater than the gap between the two adjacent fin.

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