CN204180465U - A kind of all-sealed heat-dissipating cavity - Google Patents
A kind of all-sealed heat-dissipating cavity Download PDFInfo
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- CN204180465U CN204180465U CN201420728963.9U CN201420728963U CN204180465U CN 204180465 U CN204180465 U CN 204180465U CN 201420728963 U CN201420728963 U CN 201420728963U CN 204180465 U CN204180465 U CN 204180465U
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Abstract
The utility model relates to a kind of all-sealed heat-dissipating cavity, it comprises lower chamber (1), upper cavity (2), latch segment (5) and reinforces coaming plate (6), lower chamber (1) offers cavity of resorption cooling duct (3), upper cavity (2) offers epicoele cooling duct (4), and cavity of resorption cooling duct (3) and epicoele cooling duct (4) are combined to form cooling duct; Lower chamber (1) above and on upper cavity (2) is symmetrically arranged with some "T"-shaped holes (7) respectively, "T"-shaped hole (7) is filled with aluminium alloy by die casting and extrusion process and forms latch segment (5), and lower chamber (1) is closely buckled into one with upper cavity (2) by latch segment (5); There is reinforcing coaming plate (6) edge of lower chamber (1) and upper cavity (2) by die casting and extrusion process die casting.The utility model has the advantage of: good sealing effect, mutually fusibleness are good, with short production cycle and be applicable to production in enormous quantities.
Description
Technical field
The utility model relates to the manufacturing technology field, particularly a kind of all-sealed heat-dissipating cavity of heat abstractor used in the electronic devices and components course of work.
Background technology
Any electronic device operationally has certain loss, and most loss becomes heat.Low-power device loss is little, and without the need to heat abstractor, and high power device loss is large, if do not take cooling measure, then the temperature of device can meet or exceed the junction temperature of permission, and device will be damaged.Therefore must add heat abstractor, the most frequently used is exactly installed on a heat sink by power device, utilizes radiator to fall apart to surrounding space by heat, adds radiator fan if desired, strengthen cooling heat dissipation with certain wind speed.The power device of some main equipment also adopts flowing cool water coldplate, and it has better radiating effect.
Along with electronic technology constantly develops, plant capacity is increasing, also more and more higher to the requirement of heat radiation.Existing heat-dissipating cavity is that cavity is divided into two parts, respectively at every part fluting, and makes two to be combined rear formation cooling duct.Current most of heat-dissipating cavity is by adding scolding tin high temperature melting when zoarium, is linked together by two parts cavity.It is long to there is the cycle in this mode of production, the defect that cost is high and reliability is low.After heat-dissipating cavity uses a period of time, between upper cavity and lower chamber, easily there is gap, cause cooling liquid to leak, thus affect the useful life of heat-dissipating cavity.
Utility model content
The purpose of this utility model is the shortcoming overcoming prior art, provides a kind of good sealing effect, mutually fusibleness good, with short production cycle and be applicable to the all-sealed heat-dissipating cavity of production in enormous quantities.
The purpose of this utility model is achieved through the following technical solutions: a kind of all-sealed heat-dissipating cavity, it comprises lower chamber, upper cavity, latch segment and reinforcing coaming plate, the upper surface of lower chamber offers cavity of resorption cooling duct, the lower surface of upper cavity offers epicoele cooling duct, cavity of resorption cooling duct and epicoele cooling duct are combined to form cooling duct; "T"-shaped hole is symmetrically arranged with respectively on lower chamber He on upper cavity, the two ends in "T"-shaped hole are respectively arranged with annular table terrace, be filled with aluminium alloy by die casting and extrusion process in "T"-shaped hole and form latch segment, the cross section of latch segment is in " work " character form structure, and lower chamber and upper cavity are closely buckled into one by latch segment; Lower chamber lower surface edge and upper cavity top surface edge offer edge groove respectively, make the edge filling of lower chamber and upper cavity have aluminium alloy to be formed by extrusion process and reinforce coaming plate, there is occlusion boss (12) at the middle part reinforcing coaming plate, and occlusion boss (12) is closely buckled into one respectively with edge groove.
Described cavity of resorption cooling duct is serpentine, " U " shape or " Z " shape, and described epicoele cooling duct is in the serpentine corresponding with cavity of resorption cooling duct, " U " shape or " Z " shape.
The cross section of the cooling duct that described cavity of resorption cooling duct and epicoele cooling duct are combined to form is square, circular, oval or diamond pattern.
Described annular table terrace is provided with annular groove, is respectively arranged with annular flange flange inside two transverse plates of described latch segment, annular flange flange and annular groove are bited into one.
The utility model has the following advantages:
1, lower chamber and upper cavity are aluminium sheet, can by machining or die casting gained, when die casting, reinforce in coaming plate mould by being positioned over after lower chamber and upper cavity overlap, after fixing, matched moulds, filling aluminum aluminium alloy in mould, obtains whole complete all-sealed heat-dissipating cavity (comprising upper cavity, lower chamber, reinforcing coaming plate and latch segment) after cooling.In press casting procedure, aluminum alloy melt fills the edge groove of lower chamber and upper cavity edge respectively, is formed and reinforces coaming plate, tightly upper cavity and lower chamber are interlocked, and reinforce coaming plate 360 ° and be located in heat-dissipating cavity surrounding, form all-sealed structure; The cross section of latch segment is I-shape construction, prevents from occurring " bulge " segregation phenomenon in the middle part of lower chamber and upper cavity.
2, the material of lower chamber, upper cavity, latch segment and reinforcing coaming plate is aluminium alloy, and mutual fusibleness is good.
3, the utility model structure is simple, and technique easily realizes, with short production cycle, and reduce manpower and materials waste, cost is low, is suitable for producing in enormous quantities.
4, good airproof performance, reliability is high.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is upper cavity plan structure schematic diagram of the present utility model;
Fig. 3 is that upper cavity and lower chamber coordinate sectional structure schematic diagram;
Fig. 4 be latch segment partly cut open structural representation;
In figure: 1-lower chamber, 2-upper cavity, 3-cavity of resorption cooling bath, 4-epicoele cooling bath, 5-latch segment, 6-reinforces coaming plate, the "T"-shaped hole of 7-, 8-edge groove, 9-annular table terrace, 10-annular groove, 11-annular flange flange, and 12-is engaged boss.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of all-sealed heat-dissipating cavity, it comprises lower chamber 1, upper cavity 2, latch segment 5 and reinforces coaming plate 6, the upper surface of lower chamber 1 offers cavity of resorption cooling duct 3, the lower surface of upper cavity 2 offers epicoele cooling duct 4, cavity of resorption cooling duct 3 and epicoele cooling duct 4 are combined to form cooling duct; "T"-shaped hole 7 is symmetrically arranged with respectively on lower chamber 1 He on upper cavity 2, the two ends in "T"-shaped hole 7 are respectively arranged with annular table terrace 9, as shown in Figure 2, be filled with aluminium alloy by die casting and extrusion process in "T"-shaped hole 7 and form latch segment 5, the cross section of latch segment 5 is in " work " character form structure, and lower chamber 1 is closely buckled into one with upper cavity 2 by latch segment 5; Lower chamber 1 lower surface edge and upper cavity 2 top surface edge offer edge groove 8 respectively, make the edge filling of lower chamber 1 and upper cavity 2 have aluminium alloy to be formed by extrusion process and reinforce coaming plate 6, there is occlusion boss 12 at the middle part reinforcing coaming plate 6, and occlusion boss 12 is closely buckled into one respectively with edge groove 8.
Further, described cavity of resorption cooling duct 3 is serpentine, " U " shape or " Z " shape, and described epicoele cooling duct 4 is in the serpentine corresponding with cavity of resorption cooling duct 3, " U " shape or " Z " shape.
Further, the cross section of the cooling duct that described cavity of resorption cooling duct 3 is combined to form with epicoele cooling duct 4 is square, circular, oval or diamond pattern.
Further, as shown in Figure 3, described annular table terrace 9 is provided with annular groove 10, is respectively arranged with annular flange flange 11 inside two transverse plates of described latch segment 5, annular flange flange 11 and annular groove 10 are bited into one.
Lower chamber 1 and upper cavity 2 are aluminium alloy plate, can by machining or die casting gained.When die casting, reinforce in coaming plate mould by being positioned over after lower chamber 1 and upper cavity 2 overlap, after fixing, matched moulds, filling aluminum aluminium alloy in mould, obtains whole complete all-sealed heat-dissipating cavity (comprise lower chamber 1, upper cavity 2, reinforce coaming plate 6 and latch segment 5) after cooling.In press casting procedure, aluminum alloy melt fills the edge groove 8 of lower chamber 1 and epicoele 2 body edge respectively, forms occlusion boss 12, forms peripheral seal, reinforces coaming plate 360 ° and is located in heat-dissipating cavity surrounding, form all-sealed structure.Similarly, in press casting procedure, filling aluminum aluminium alloy in "T"-shaped hole 7, aluminium water is filled in annular table terrace 9, annular groove 10 and "T"-shaped hole 7, forms latch segment 5 after cooling.In order to strengthen its sealing effectiveness further, annular table terrace 9 arranges annular groove 10, latch segment 5 is embedded in annular groove 10, improves its sealing property.The material of lower chamber 1, upper cavity 2, latch segment 5 and reinforcing coaming plate 6 is aluminium alloy, and mutual fusibleness is good.
Claims (4)
1. an all-sealed heat-dissipating cavity, it is characterized in that: it comprises lower chamber (1), upper cavity (2), latch segment (5) and reinforces coaming plate (6), the upper surface of lower chamber (1) offers cavity of resorption cooling duct (3), the lower surface of upper cavity (2) offers epicoele cooling duct (4), cavity of resorption cooling duct (3) and epicoele cooling duct (4) are combined to form cooling duct; Lower chamber (1) above and on upper cavity (2) is symmetrically arranged with "T"-shaped hole (7) respectively, the two ends in "T"-shaped hole (7) are respectively arranged with annular table terrace (9), be filled with aluminium alloy by die casting and extrusion process in "T"-shaped hole (7) and form latch segment (5), the cross section of latch segment (5) is in " work " character form structure, and lower chamber (1) is closely buckled into one with upper cavity (2) by latch segment (5); Lower chamber (1) lower surface edge and upper cavity (2) top surface edge offer edge groove (8) respectively, make the edge filling of lower chamber (1) and upper cavity (2) have aluminium alloy to be formed by extrusion process and reinforce coaming plate (6), there is occlusion boss (12) at the middle part reinforcing coaming plate (6), and occlusion boss (12) is closely buckled into one respectively with edge groove (8).
2. the all-sealed heat-dissipating cavity of one according to claim 1, it is characterized in that: described cavity of resorption cooling duct (3) in serpentine, " U " shape or " Z " shape, described epicoele cooling duct (4) is in the serpentine corresponding with cavity of resorption cooling duct (3), " U " shape or " Z " shape.
3. the all-sealed heat-dissipating cavity of one according to claim 1, is characterized in that: the cross section of the cooling duct that described cavity of resorption cooling duct (3) and epicoele cooling duct (4) are combined to form is square, circular, oval or diamond pattern.
4. the all-sealed heat-dissipating cavity of one according to claim 1, it is characterized in that: described annular table terrace (9) is provided with annular groove (10), be respectively arranged with annular flange flange (11) inside two transverse plates of described latch segment (5), annular flange flange (11) and annular groove (10) are bited into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728963.9U CN204180465U (en) | 2014-11-28 | 2014-11-28 | A kind of all-sealed heat-dissipating cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728963.9U CN204180465U (en) | 2014-11-28 | 2014-11-28 | A kind of all-sealed heat-dissipating cavity |
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| Publication Number | Publication Date |
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| CN204180465U true CN204180465U (en) | 2015-02-25 |
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| CN201420728963.9U Active CN204180465U (en) | 2014-11-28 | 2014-11-28 | A kind of all-sealed heat-dissipating cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104334005B (en) * | 2014-11-28 | 2017-01-25 | 成都泰格微波技术股份有限公司 | Totally-sealed cooling chamber |
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2014
- 2014-11-28 CN CN201420728963.9U patent/CN204180465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104334005B (en) * | 2014-11-28 | 2017-01-25 | 成都泰格微波技术股份有限公司 | Totally-sealed cooling chamber |
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