CN203785501U - Platy heat pipe - Google Patents

Platy heat pipe Download PDF

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Publication number
CN203785501U
CN203785501U CN201420035530.5U CN201420035530U CN203785501U CN 203785501 U CN203785501 U CN 203785501U CN 201420035530 U CN201420035530 U CN 201420035530U CN 203785501 U CN203785501 U CN 203785501U
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CN
China
Prior art keywords
heat pipe
strip groove
plate
platelike heat
capillary
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Active
Application number
CN201420035530.5U
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Chinese (zh)
Inventor
周守华
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SHENZHEN KAIQIANG HEAT TRANSFER TECHNOLOGY CO LTD
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SHENZHEN KAIQIANG HEAT TRANSFER TECHNOLOGY CO LTD
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Priority to CN201420035530.5U priority Critical patent/CN203785501U/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0233Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/04Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
    • F28D15/046Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure

Abstract

The utility model discloses a platy heat pipe. The platy heat pipe comprises a platy metal pipe, wherein the platy metal pipe comprises a first side wall and a second side wall which are arranged oppositely at an interval; the inner surfaces of the first and second side walls are provided with a capillary structure layer respectively; the surface of each capillary structure layer is provided with first strip grooves arranged at intervals and second strip grooves arranged at intervals; the first strip grooves and the second strip grooves are intersected and serve as steam channels of the platy heat pipe. Therefore, convex parts between the first strip grooves and the second strip grooves of each capillary structure layer support each other, and the first and second strip grooves serve as the steam channels of the plate heat pipe. The compressive strength of the platy heat pipe and the radiating areas of the steam channels are greatly increased, so that the radiating efficiency is improved.

Description

Platelike heat pipe
Technical field
The utility model relates to radiator field, particularly relates to a kind of Platelike heat pipe.
Background technology
Along with scientific and technical development, the electrical equipment such as computer have become the necessary of people's study, work and life.Therefore, the heat abstractor dispelling the heat for various electronic components also arises at the historic moment, and Platelike heat pipe also becomes conventional heat abstractor gradually.The manufacture method of existing Platelike heat pipe is: a. provides metal tube, and b. inserts plug, and c. injects metallic particles sintering, is pressed into Platelike heat pipe.The Platelike heat pipe that this kind of method produces is owing to utilizing the level and smooth internal surface area of metallic particles of sintering to dispel the heat, and area of dissipation is less, so radiating effect is not good.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of Platelike heat pipe, can increasing heat radiation area, improve radiating efficiency.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Platelike heat pipe is provided, this Platelike heat pipe comprises a plate-shape metal pipe, wherein plate-shape metal pipe comprises relative and spaced the first side wall and the second sidewall, on the inner surface of the first side wall and the second sidewall, be formed with respectively capillary structure layer, on the surface of capillary structure layer, be formed with the first strip groove being intervally installed and the second strip groove being intervally installed, the first strip groove and the second strip groove intersect each other, and as the steam channel of Platelike heat pipe.
Wherein, the first strip groove extends along the axial direction of plate-shape metal pipe, and is intervally installed along the direction of direction perpendicular to axial direction, and the second strip groove extends along the direction of direction perpendicular to axial direction, and is in axial direction intervally installed.
Wherein, the first strip projection of the bearing of trend both sides of each the second strip projection staggers each other along the direction of direction perpendicular to axial direction.
Wherein, the center of the outer surface of the first side wall or the second sidewall is formed with boss.
Wherein, Platelike heat pipe further comprises the supporting network being held between the first side wall and the second sidewall.
Wherein, the material of capillary structure layer is metallic particles or metal dust.
The beneficial effects of the utility model are: the situation that is different from prior art, on the relative and spaced the first side wall of Platelike heat pipe of the present utility model and the inner surface of the second sidewall, be formed with respectively capillary structure layer, wherein, on the surface of capillary structure layer, be formed with the first strip groove being intervally installed and the second strip groove being intervally installed, the first strip groove and the second strip groove intersect each other.On the one hand the bossing between the first groove and the second groove is supported each other, increased the compression strength of Platelike heat pipe, make on the other hand the first groove and the second groove as the steam channel of Platelike heat pipe, increased the surface area of capillary structure layer, improved radiating efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of Platelike heat pipe of providing of the utility model embodiment;
Fig. 2 is the internal structure schematic diagram of the Platelike heat pipe shown in Fig. 1;
Fig. 3 is the flow chart of the manufacture method of the Platelike heat pipe that provides of the utility model embodiment;
Fig. 4 be the manufacture method shown in Fig. 3 the manufacturing process flow diagram of corresponding Platelike heat pipe;
Fig. 5 is the concrete grammar flow chart of the step S1 shown in Fig. 3;
Fig. 6 is the structural representation of the tabular plug of the utility model embodiment;
Fig. 7 is the concrete technology figure of the tabular metal tube of extruding.
The specific embodiment
Please also refer to Fig. 1 and Fig. 2, Fig. 1 is the front view of a kind of Platelike heat pipe of providing of the utility model embodiment, and Fig. 2 is the internal structure schematic diagram of the Platelike heat pipe shown in Fig. 1.As depicted in figs. 1 and 2, the Platelike heat pipe 10 of the utility model embodiment comprises a plate-shape metal pipe 11, wherein plate-shape metal pipe 11 comprises relative and spaced the first side wall 110 and the second sidewall 111, on the inner surface of the first side wall 110 and the second sidewall 111, be formed with respectively capillary structure layer 12, on the surface of capillary structure layer 12, be formed with the first strip groove 121 being intervally installed and the second strip groove 122 being intervally installed, the first strip groove 121 and the second strip groove 122 intersect each other, and as the steam channel of Platelike heat pipe 10.
Therefore, the present embodiment utilize the first groove 121 of capillary structure layer 12 and the second groove 122 between bossing support each other, strengthen the compression strength of Platelike heat pipe 10, secondly, the first strip groove 121 and the second strip groove 122 steam channel as Platelike heat pipe 10 intersects each other, the surface area that has increased the capillary structure layer 12 of Platelike heat pipe 10, has increased area of dissipation, thereby has improved radiating efficiency.
Wherein, the height of plate-shape metal pipe is preferably 11.5MM.The thickness of capillary structure layer is preferably 0.95MM.The height of the first strip groove 121 and the second strip groove 122 is less than the thickness of capillary structure layer.
Alternatively, the first strip groove 121 extends along the axial direction of plate-shape metal pipe 10, and is intervally installed along the direction of direction perpendicular to axial direction, and the second strip groove 122 extends along the direction of direction perpendicular to axial direction, and is in axial direction intervally installed.
Further, article one groove 121 of the bearing of trend both sides of each the second strip groove 122 staggers each other along the direction of direction perpendicular to axial direction.
It should be noted that, in other preferred embodiments, the first strip groove 121 intersecting each other and the bearing of trend of the second strip groove 122 can be other directions, for example, the first strip groove 121 is to be the direction extension of 45° angle with axial direction, and the bearing of trend of the second strip groove 122 is perpendicular to the bearing of trend of the first strip groove 121.
Further, in other preferred embodiments, the first strip groove 121 of the bearing of trend both sides of each the second strip groove 122 can be set to disconnect each other, and is in axial direction symmetrical arranged.
Secondly, can also be: the second strip groove 122 direction in axial direction of the bearing of trend both sides of each the first strip groove 121 staggers each other.
Can also be: the second strip groove 122 of the bearing of trend both sides of each the first strip groove 121 disconnects each other, and is symmetrical arranged along the direction of direction perpendicular to axial direction.
Optionally, the center of the outer surface of the first side wall 110 or the second sidewall 111 is formed with boss 112, for placing element.The present embodiment is that the center of the outer surface of the second sidewall 111 forms boss 112.In other embodiments, can also form boss 112 for the center of the outer surface of the first side wall 110.
Optionally, Platelike heat pipe 10 further comprises that the supporting network 13(being held between the first side wall 110 and the second sidewall 111 is as shown between the step S4 of Fig. 4 and S5).Wherein, supporting network 13 can be metallic support net, and the structure of the outer surface of supporting network 13 is corresponding with the structure of capillary structure layer 12.
In the present embodiment, at Platelike heat pipe 10 two ends, also comprise port shrouding (not shown) and in Platelike heat pipe 10, be also injected with hydraulic fluid.
Described in brought forward, the surface of the capillary structure layer 12 of the Platelike heat pipe 10 of the present embodiment is provided with the first strip groove 121 and the second strip groove 122 intersecting each other, the steam channel of usining as Platelike heat pipe 10, has increased the area of dissipation of capillary structure layer 12, has improved thus radiating efficiency; Secondly, the bossing between the first strip groove 121 and the second strip groove 122 supports each other, and has increased the compression strength of Platelike heat pipe 10.
Secondly, the present embodiment is also formed with boss 112 in the center of the outer surface of the first side wall 110 or the second sidewall 111, and the placement location of element is provided.
Moreover the present embodiment further arranges supporting network 13 between the first side wall 110 and the second sidewall 111, has further increased the compression strength of Platelike heat pipe 10.
The utility model embodiment also Platelike heat pipe based on above 10 provides a kind of preparation method of Platelike heat pipe 10.Specifically refer to Fig. 3-4, Fig. 3 is the flow chart of the manufacture method of the Platelike heat pipe that provides of the utility model embodiment; Fig. 4 be the manufacture method shown in Fig. 3 the manufacturing process flow diagram of corresponding Platelike heat pipe.The manufacture method of Platelike heat pipe of the present utility model comprises the following steps:
Step S1: a plate-shape metal pipe 11 is provided, and wherein plate-shape metal pipe 11 comprises relative and spaced the first side wall 110 and the second sidewall 111, is formed with respectively capillary structure layer 12 on the inner surface of the first side wall 110 and the second sidewall 111.
See also Fig. 5, this step also comprises:
Step S11: round metal tube 100 is provided.The hollow metal tube that this metal tube 100 is both ends open, and can cut into as required pre-sizing, the diameter of the metal tube that for example the present embodiment provides is 30MM, the wall thickness of metal tube is 0.6MM.
Step S12: the round mandrel 200 that is less than round metal tube 100 at the interior insertion external diameter of round metal tube 100.Make to there is gap between the inwall of metal tube 100 and round mandrel 200.
Step S13: inject agglomerated powder and carry out sintering between round mandrel 200 and round metal tube 100, to form capillary structure layer 12 on the inwall at round metal tube 100.This agglomerated powder is metallic particles, when metallic particles is too tiny, is metal dust.In the present embodiment, preferably make the capillary structure layer 12 that 0.95MM is thick.
Step S14: take out round mandrel 200 from round metal tube 100.
Step S15: extruding round metal tube 100, to form plate-shape metal pipe 11.In this step, the height of plate-shape metal pipe 11 is preferably 11.5MM.
Step S2: insert tabular plug 300 between the first side wall 110 and the second sidewall 111.Refer to Fig. 6, Fig. 6 is the structural representation of tabular plug 300.As shown in Figure 6, on the outer surface of the relative both sides of tabular plug 300, being formed with a plurality of the first strip projected parts 311 that are intervally installed and a plurality of the second strip projected parts 312, the first strip projected parts 311 and the second strip projected parts 312 being intervally installed intersects each other.
Wherein, the height of the first strip projection 311 and the second strip projection 312 is less than the thickness of capillary structure layer 12.
The first strip projection 311 is extended along the axial direction of plate-shape metal pipe 11, and is intervally installed along the direction of direction perpendicular to axial direction, and the second strip projection 312 is extended along the direction of direction perpendicular to axial direction, and is in axial direction intervally installed.
Further, the first strip projection 311 of the bearing of trend both sides of each the second strip projection 312 staggers each other along the direction of direction perpendicular to axial direction.
It should be noted that in other preferred embodiments, the first strip projection 311 of the bearing of trend both sides of each the second strip projection 312 disconnects each other, and direction is in axial direction symmetrical arranged.
Secondly, can also be: the second strip projection 312 direction in axial direction of the bearing of trend both sides of each the first strip projection 311 staggers each other.
Can also be: the second strip projection 312 of the bearing of trend both sides of each the first strip projection 311 disconnects each other, and is symmetrical arranged along the direction of direction perpendicular to axial direction.
Wherein, tabular plug 300 comprises the first plate body 310, the second plate body 320 and the 3rd plate body 330 that stacks gradually setting, the second plate body 320 is clamped between the first plate body 310 and the 3rd plate body 330 and can moves relative to the first plate body 310 and the 3rd plate body 330, and the first strip projected parts 311 and the second strip projected parts 312 are formed at respectively on the outer surface away from the second plate body 320 of the first plate body 310 and the 3rd plate body 330.
Thus, this step further comprises: the first plate body 310, the second plate body 320 and the 3rd plate body 330 that stack gradually setting are inserted between the first side wall 110 and the second sidewall 111.
Step S3: push tabular metal tube 11, to form corresponding with a plurality of the first strip projected parts 311 and a plurality of the second strip projected parts 312 respectively the first strip groove 121 and the second strip groove 122 on the surface of the capillary structure layer 12 on the first side wall 110 and the second sidewall 111.
Referring again to Fig. 6, further, in the center of the outer surface of the relative both sides of tabular plug 300, be respectively arranged with land regions 302.Therefore, in conjunction with Fig. 7, Fig. 7 is the concrete technology figure of the tabular metal tube 11 of extruding, and this step is specially:
The first mould 400 and the second mould 500 are set respectively in the outside of the first side wall 110 and the second sidewall 111, wherein on the second mould 500, are provided with the recess corresponding with land regions 302 450;
Utilize the first mould 400 and the second mould 500 extruding the first side wall 110 and the second sidewalls 111, so that form the boss 112 corresponding to land regions 302 on the outer surface of the second sidewall 111.
Wherein, in other preferred embodiments, can also on the first mould 400, be provided with the recess corresponding with land regions 302 450, make to form on the outer surface of the first side wall 110 boss 112 corresponding to land regions 302.
Step S4: take out tabular plug 300 between the first side wall 110 and the second sidewall 111.
Please continue in conjunction with Fig. 6 and 7, this step also comprises: relative to the first plate body 310 and the 3rd plate body 330, move the second plate body 320, and further between the first side wall 110 and the second sidewall 111, take out the second plate body 320;
The first plate body 310 and the 3rd plate body 330 are drawn close each other, and further between the first side wall 110 and the second sidewall 111, taken out the first plate body 310 and the 3rd plate body 330.
Wherein, the second plate body 320 can be set to one end and outwards give prominence to than the first plate body 310 and the 3rd plate body 330 extension extending, and when taking out the second plate body 320, can grasp at extension and take out, convenient and swift.
Or, on two surfaces that contact with the second plate body 330 with the first plate body 310 of the end of the second plate body 320, a groove structure is set respectively, when taking out the second plate body 320, can grasp at groove structure and take out, convenient and swift.
Step S5: further push tabular metal tube 11, so that the capillary structure layer 12 on the first side wall 110 and the second sidewall 111 supports each other, and make the first strip groove 121 and the second strip groove 122 as the steam channel of Platelike heat pipe 10.
Between step S4 and this step, also further between the first side wall 110 and the second sidewall 111, inserting supporting network 13.Wherein, this support mesh 13 can be metallic support net, and the structure of the outer surface of supporting network 13 is corresponding with the structure of capillary structure layer 12.
In this step, further push tabular metal tube 11, so that supporting network 13 is held between the first side wall 110 and the second sidewall 111.Strengthen the compression strength of metal tube.
The present embodiment can obtain the Platelike heat pipe 10 of both ends open after by above step, and follow-up needs Platelike heat pipe 10 sealing two ends, spare interface when sealing is processed, injects hydraulic fluid by interface, then vacuumizes and seals.Inject after hydraulic fluid, can increase in use the radiating efficiency of Platelike heat pipe 10.In encapsulation process, Platelike heat pipe 10 is vacuumized to leak detection.Finally Platelike heat pipe 10 is carried out to shaping.
In sum, the utility model has increased the surface area of the capillary structure layer 12 of Platelike heat pipe 10 by the first groove 121 and the second groove 122 are set, increased area of dissipation, thereby improved radiating efficiency.
Secondly, utilize the bossing between the first groove 121 and the second groove 122 to support each other, and be provided with supporting network 13 in Platelike heat pipe 10, therefore, greatly increased the compression strength of Platelike heat pipe 10.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (6)

1. a Platelike heat pipe, it is characterized in that, described Platelike heat pipe comprises a plate-shape metal pipe, wherein said plate-shape metal pipe comprises relative and spaced the first side wall and the second sidewall, on the inner surface of described the first side wall and described the second sidewall, be formed with respectively capillary structure layer, on the surface of described capillary structure layer, be formed with the first strip groove being intervally installed and the second strip groove being intervally installed, described the first strip groove and described the second strip groove intersect each other, and as the steam channel of described Platelike heat pipe.
2. Platelike heat pipe according to claim 1, it is characterized in that, described the first strip groove extends along the axial direction of described plate-shape metal pipe, and be intervally installed along the direction perpendicular to described axial direction, described the second strip groove extends along the direction perpendicular to described axial direction, and is intervally installed along described axial direction.
3. Platelike heat pipe according to claim 2, is characterized in that, described in each, described first strip groove of the bearing of trend both sides of the second strip groove staggers each other along the direction perpendicular to described axial direction.
4. Platelike heat pipe according to claim 1, is characterized in that, the center of the outer surface of described the first side wall or described the second sidewall is formed with boss.
5. Platelike heat pipe according to claim 1, is characterized in that, described Platelike heat pipe further comprises the supporting network being held between described the first side wall and described the second sidewall.
6. Platelike heat pipe according to claim 1, is characterized in that, the material of described capillary structure layer is metallic particles or metal dust.
CN201420035530.5U 2014-01-20 2014-01-20 Platy heat pipe Active CN203785501U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103791743A (en) * 2014-01-20 2014-05-14 深圳市凯强热传科技有限公司 Plate-shaped heat pipe and manufacturing method thereof
CN104534906A (en) * 2015-01-14 2015-04-22 厦门大学 Panel heat pipe with embedded porous wick and manufacturing method thereof
CN105865245A (en) * 2016-06-16 2016-08-17 洛阳文森科技有限公司 Double-layer pulsation heat-conducting plate strip and process
CN109612316A (en) * 2018-12-12 2019-04-12 上海卫星装备研究所 Thin-walled temperature-uniforming plate and its manufacturing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103791743A (en) * 2014-01-20 2014-05-14 深圳市凯强热传科技有限公司 Plate-shaped heat pipe and manufacturing method thereof
CN104534906A (en) * 2015-01-14 2015-04-22 厦门大学 Panel heat pipe with embedded porous wick and manufacturing method thereof
CN105865245A (en) * 2016-06-16 2016-08-17 洛阳文森科技有限公司 Double-layer pulsation heat-conducting plate strip and process
CN109612316A (en) * 2018-12-12 2019-04-12 上海卫星装备研究所 Thin-walled temperature-uniforming plate and its manufacturing method

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