WO2016123997A1 - 烧结热管及具有其的半导体制冷冰箱 - Google Patents

烧结热管及具有其的半导体制冷冰箱 Download PDF

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Publication number
WO2016123997A1
WO2016123997A1 PCT/CN2015/091096 CN2015091096W WO2016123997A1 WO 2016123997 A1 WO2016123997 A1 WO 2016123997A1 CN 2015091096 W CN2015091096 W CN 2015091096W WO 2016123997 A1 WO2016123997 A1 WO 2016123997A1
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WIPO (PCT)
Prior art keywords
pipe
section
straight
main
sintered heat
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PCT/CN2015/091096
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English (en)
French (fr)
Inventor
陶海波
张奎
刘建如
李鹏
李春阳
戚斐斐
姬立胜
Original Assignee
青岛海尔股份有限公司
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Application filed by 青岛海尔股份有限公司 filed Critical 青岛海尔股份有限公司
Priority to EP15880939.2A priority Critical patent/EP3255359B1/en
Priority to US15/521,894 priority patent/US10539356B2/en
Publication of WO2016123997A1 publication Critical patent/WO2016123997A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/005—Devices using other cold materials; Devices using cold-storage bodies combined with heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-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
    • F28D15/02—Heat-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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-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
    • F28D15/02—Heat-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
    • F28D15/0266—Heat-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 separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-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
    • F28D15/02—Heat-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
    • F28D15/04—Heat-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
    • F28D15/046—Heat-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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-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
    • F28D15/02—Heat-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
    • F28D15/0233—Heat-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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/18—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes sintered

Definitions

  • the present invention relates to a sintered heat pipe, and more particularly to a sintered heat pipe and a semiconductor refrigeration refrigerator having the same.
  • the sintered heat pipe is a high-efficiency heat transfer element that transfers heat by a phase change process of evaporation and condensation of a liquid in a fully enclosed vacuum tube, and has extremely high thermal conductivity and excellent isothermality.
  • the sintering heat pipe is composed of a casing, a liquid absorbing core and an end cover, and the inside of the pipe is drawn into a negative pressure of 1.3 ⁇ (10 minus 1-10 minus 4) Pa, and then filled with an appropriate amount of working liquid to make the wick closely adhere to the inner wall of the pipe.
  • the capillary porous material is filled with liquid and sealed.
  • One end of the tube is an evaporation section (heating section), and the other end is a condensation section (cooling section), and an adiabatic section can be arranged in the middle of the two sections according to the application.
  • the liquid in the wicking core evaporates and vaporizes, and the steam flows to the other end under a slight pressure difference to release heat to condense into a liquid, and the liquid flows back to the evaporation section along the porous material by the capillary force. This cycle does not allow heat to pass from one end of the sintered heat pipe to the other end.
  • the existing sintered heat pipe extends from one end thereof along a single path to the other end thereof, and the extended path may be a straight line, an L shape, or a U shape.
  • the existing sintered heat pipe may not achieve the desired effect.
  • a further object of the first aspect of the invention is to maximize the heat dissipation or cooling efficiency of the sintered heat pipe.
  • Another further object of the first aspect of the invention is to make the structure of the sintered heat pipe compact.
  • An object of the second aspect of the present invention is to provide a semiconductor refrigeration refrigerator having the above-described sintered heat pipe.
  • the invention provides a sintered heat pipe.
  • the sintered heat pipe may include a main pipe section closed at both ends; and a branch pipe section respectively extending at one or more portions on one side of the main pipe section; a working cavity of each of the branch pipe sections and the main pipe The working chambers of the segments are connected.
  • a wick in each of the furcation segments is coupled to a wick in the main section.
  • the axis of the main section is a spatial curve; or the axis of the main section is a straight line, an L-shaped line or a U-shaped line.
  • each of the furcation segments extends outwardly from a respective portion of the main segment in a direction perpendicular to the main segment.
  • the branching pipe segments are at least three, and the starting ends thereof are arranged on the main pipe segments at equal intervals along the extending direction of the main pipe segments.
  • the axis of the main section is a straight line; and the starting end of each of the branching sections is located in a central section of the main section.
  • the main pipe section includes a first straight pipe portion and a second straight pipe portion that is closed from one end of the first straight pipe portion in a direction perpendicular to the first straight pipe portion; and a starting end of each of the furcation pipe segments is located in the first straight pipe portion; a projection of each of the furcation pipe segments in a plane perpendicular to the first straight pipe portion and the second straight pipe Part of the projections in this plane coincide.
  • the main pipe segment further includes: a third straight pipe portion closed at one end and disposed in parallel with the first straight pipe portion; and a connecting straight pipe portion connected to the first straight pipe portion and Between the third straight pipe portions, the first straight pipe portion and the third straight pipe portion are disposed at an angle of 100° to 170°; and the first straight pipe portion and the third straight portion The tube portion and the connecting straight tube portion are in the same plane, the plane being perpendicular to the second straight tube portion.
  • the diameter of each of the furcation pipe segments is equal to the diameter of the main pipe segment.
  • a semiconductor refrigerating refrigerator comprising a liner, a semiconductor refrigerating sheet, and a heat exchange device.
  • the heat exchange device includes a plurality of any one of the above-described sintered heat pipes; and a part or all of the main sections of each of the sintered heat pipes are thermally connected to the hot or cold ends of the semiconductor cooling fins;
  • the bifurcated tube section of the sintered heat pipe is used to dissipate heat into the ambient air or to cool the storage compartment of the liner.
  • the sintered heat pipe of the present invention since the sintered heat pipe has a branch pipe section, the structure thereof is significantly different from the conventional conventional heat pipe extending along the only path, and the sintered heat pipe of the present invention is remarkably improved. Its heat dissipation or cooling efficiency.
  • the sintered heat pipe of the present invention and the sintered heat pipe of the novel structure in the semiconductor refrigeration refrigerator having the same are particularly suitable for heat dissipation of a heat source having a high heat flux such as a semiconductor refrigeration chip.
  • FIG. 1 is a schematic structural view of a sintered heat pipe according to an embodiment of the present invention.
  • Figure 2 is a schematic partial cross-sectional view taken at A in Figure 1;
  • Figure 3 is a schematic structural view of a sintered heat pipe according to an embodiment of the present invention.
  • Figure 4 is a schematic front view of a sintered heat pipe in accordance with one embodiment of the present invention.
  • Figure 5 is a schematic left side view of the sintered heat pipe of Figure 4.
  • Figure 6 is a schematic right side view of a semiconductor refrigerating refrigerator in accordance with one embodiment of the present invention.
  • Figure 7 is a schematic rear view of a semiconductor refrigeration refrigerator in accordance with one embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a sintered heat pipe according to an embodiment of the present invention.
  • an embodiment of the present invention provides a sintered heat pipe 200 with novel structure, which has high heat dissipation or cooling efficiency, and can be applied to various heat exchange devices, and is particularly suitable for use in A heat source having a high heat flux density such as the semiconductor refrigerating sheet 150 dissipates heat.
  • the sintered heat pipe 200 may include a main pipe section 210 that is closed at both ends.
  • a branching pipe section 220 is respectively extended at one or more portions on one side of the main pipe section 210 to improve the heat dissipation or cooling efficiency of the sintering heat pipe 200.
  • each furcation section 220 can be in communication with the working chamber 230 of the main section 210 to facilitate vapor flow within the sintered heat pipe 200.
  • the plurality of furcation pipe segments 220 of the sintered heat pipe 200 are located on one side of the main pipe section 210, and the structure of the sintering heat pipe 200 can also be made compact.
  • the wick 240 in each furcation section 220 is coupled to the wick 240 in the main section 210.
  • the wick 240 in each furcation section 220 and the wick 240 in the main section 210 are in close contact with the inner wall of the corresponding tube to facilitate the flow of the working fluid.
  • the diameter of each furcation pipe segment 220 can be equal to the diameter of the main pipe segment 210. In some alternative embodiments of the invention, the diameter of each furcation pipe segment 220 may also be less than the diameter of the main pipe segment 210.
  • the axis of the main section 210 can be a spatial curve to facilitate the arrangement of the sintered heat pipe 200. As is known to those skilled in the art, the axis of the main section 210 can also be a planar curve, such as a straight line, an L-shaped line, or a U-shaped line. Each furcation pipe section 220 extends outwardly from a corresponding portion of the main pipe section 210 in a direction perpendicular to the main pipe section 210.
  • FIG. 3 is a schematic structural view of a sintered heat pipe 200 according to an embodiment of the present invention.
  • the axis of the main section 210 of the sintered heat pipe 200 is a straight line.
  • the starting end of each furcation pipe section 220 is located in the central pipe section of the main pipe section 210.
  • the central pipe section of the central pipe section of the main pipe section 210 of the sintering heat pipe 200 opposite to the side having the branch pipe section 220 may be abutted against a heat source or a cold source, and each branch pipe section 220 And two of the supervisor segment 210 Both ends can be used for heat dissipation or cooling.
  • the furcation pipe sections 220 may be at least three, the starting ends of which are arranged equidistantly on the main pipe section 210 in the direction in which the main pipe sections 210 extend.
  • the main section 210 of the sintered heat pipe 200 in the embodiment of the present invention may include a first straight pipe portion 212 and a first straight pipe portion in a direction perpendicular to the first straight pipe portion 212.
  • a second straight tube portion 213 that is extended at one end and that is closed at one end.
  • the starting end of each furcation pipe segment 220 is located in the first straight pipe portion 212.
  • the projection of each furcation tube segment 220 in a plane perpendicular to the first straight tube portion 212 coincides with the projection of the second straight tube portion 213 in the plane.
  • the branch portion 220 when the branch portion 220 is provided on one side of the first straight tube portion 212 of the main section 210, the second straight tube portion 213 of the main tube portion 210 is also understandable. It is a bifurcated pipe section 220 that extends from one end of the main section 210.
  • the sintered heat pipe 200 further includes a third straight pipe portion 211 closed at one end and a connecting straight pipe portion 214 connected between the first straight pipe portion 212 and the third straight pipe portion 211. .
  • the third straight pipe portion 211 is disposed in parallel with the first straight pipe portion 212.
  • the connecting straight pipe portion 214 is disposed at an angle of 100 to 170 with both the first straight pipe portion 212 and the third straight pipe portion 211.
  • the first straight pipe portion 212, the third straight pipe portion 211 and the connecting straight pipe portion 214 are in the same plane, the plane being perpendicular to the second straight pipe portion 213.
  • the third straight tube portion 211 can be used for thermal connection with a heat source or a cold source, and the first straight tube portion 212, the second straight tube portion 213, and the furcation tube portion 220 can be used for heat dissipation or cooling.
  • the sintered heat pipe 200 may include only the first straight tube portion 212, the connecting straight tube portion 214, and the third straight tube portion 211. The starting end of each furcation pipe segment 220 is located at the first straight pipe portion 212.
  • FIG. 6 is a schematic right side view of a semiconductor refrigeration refrigerator in accordance with one embodiment of the present invention.
  • an embodiment of the present invention further provides a semiconductor refrigerating refrigerator including a liner 100, a semiconductor refrigerating sheet 150, and a heat exchange device.
  • the heat exchange device is for dissipating heat from the hot end of the semiconductor refrigerating sheet 150 to the ambient air, or transferring the cold amount from the cold end of the semiconductor refrigerating sheet 150 to the storage compartment of the inner liner 100.
  • the heat exchange device may have a plurality of the sintered heat pipes 200 of any of the above embodiments.
  • each of the sintering heat pipes 200 is thermally connected to the hot or cold end of the semiconductor refrigerating sheet 150; the bifurcated tube section 220 of each of the sintering heat pipes 200 is used for dissipating heat to the ambient air or to the storage. The room is cold.
  • the heat exchange device is used for heat dissipation from the hot end of the semiconductor refrigerating sheet 150.
  • heat dissipating fins 300 may be mounted on the bifurcated pipe section 220 of each of the sintering heat pipes 200.
  • the heat exchange device can also include a fan.
  • a central portion of each fin 300 is provided with a receiving through hole such that the plurality of fins 300 define an accommodation space extending along an axis of the receiving through hole.
  • the fan can be a centrifugal fan 400, a centrifugal fan A 400 may be disposed in the accommodation space, configured to draw airflow from its air intake zone and blow it to a gap between each two adjacent fins 300.
  • the fan may also be an axial fan that may be disposed on the same side of the plurality of furcation segments 220, configured to: draw airflow from its inlet region and to each of two adjacent The gap between the fins 300 is blown, or the airflow is taken in from the gap between each two adjacent fins 300 and blown to the air supply area thereof.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

一种烧结热管（200）及具有该烧结热管（200）的半导体制冷冰箱，该烧结热管（200）包括两端均封闭的主管段（210），在主管段（210）一侧的一个或多个部位处分别延伸出一个分叉管段（220）；每个分叉管段（220）的工作腔与主管段（210）的工作腔相连通。该烧结热管（200）及具有该烧结热管（200）的半导体制冷冰箱中因为烧结热管（200）具有分叉管段（220），显著提高了其散热或传冷效率，可特别适用于对半导体制冷片等高热流密度的热源进行散热。

Description

烧结热管及具有其的半导体制冷冰箱
本申请要求了申请日为2015年02月03日，申请号为201510056261.X，发明名称为“烧结热管及具有其的半导体制冷冰箱”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及烧结热管，特别是涉及一种烧结热管及具有该烧结热管的半导体制冷冰箱。
背景技术
烧结热管是一种高效传热元件，它通过在全封闭真空管内液体的蒸发与凝结的相变过程来传递热量，具有极高导热性能和优良的等温性。烧结热管由管壳、吸液芯和端盖组成，将管内抽成1.3×(10负1－10负4)Pa的负压后充以适量的工作液体，使紧贴管内壁的吸液芯毛细多孔材料中充满液体后加以密封。管的一端为蒸发段(加热段)，另一端为冷凝段(冷却段)，根据应用需要在两段中间可布置绝热段。当烧结热管的一端受热时毛纫芯中的液体蒸发汽化，蒸汽在微小的压差下流向另一端放出热量凝结成液体，液体再沿多孔材料靠毛细力的作用流回蒸发段。如此循环不己，热量由烧结热管的一端传至另一端。也就是说，现有的烧结热管从其一端沿唯一路径延伸至其另一端，该延伸路径可为直线、L型或U型。然而，对于半导体制冷片等高热流密度的热源进行散热，现有的烧结热管可能达不到理想的效果。
发明内容
本发明第一方面的一个目的旨在克服现有的烧结热管的至少一个缺陷，提供一种结构新颖的烧结热管。
本发明第一方面的一个进一步的目的是要尽量提高烧结热管的散热或传冷效率。
本发明第一方面的另一个进一步的目的是要使烧结热管的结构紧凑。
本发明第二方面的一个目的是要提供一种具有上述烧结热管的半导体制冷冰箱。
根据本发明的第一方面，本发明提供了一种烧结热管。该烧结热管可包括两端均封闭的主管段；且在所述主管段一侧的一个或多个部位处分别延伸出一个分叉管段；每个所述分叉管段的工作腔与所述主管段的工作腔相连通。
可选地，每个所述分叉管段内的吸液芯与所述主管段内的吸液芯相连接。
可选地，所述主管段的轴线为空间曲线；或所述主管段的轴线为直线、L型线或U型线。
可选地，每个所述分叉管段是从所述主管段的相应部位处沿垂直于所述主管段的方向向外延伸出的。
可选地，所述分叉管段为至少3个，其起始端在所述主管段上沿所述主管段的延伸方向等间距地布置。
可选地，所述主管段的轴线为直线；且每个所述分叉管段的起始端均位于所述主管段的中部管段。
可选地，所述主管段包括第一直管部分和沿垂直于所述第一直管部分的方向从所述第一直管部分一端延伸出的、末端封闭的第二直管部分；且每个所述分叉管段的起始端均位于所述第一直管部分；每个所述分叉管段在一垂直于所述第一直管部分的平面内的投影与所述第二直管部分在该平面内的投影重合。
可选地，所述主管段还包括：第三直管部分，其一端封闭，且与所述第一直管部分平行设置；和连接直管部分，连接在所述第一直管部分和所述第三直管部分之间，与所述第一直管部分和所述第三直管部分均呈100°至170°的角度设置；且所述第一直管部分、所述第三直管部分和所述连接直管部分处同一平面内，该平面垂直于所述第二直管部分。
可选地，每个所述分叉管段的直径等于所述主管段的直径。
根据本发明的第二方面，本发明提供了一种半导体制冷冰箱，其包括内胆、半导体制冷片和换热装置。特别地，所述换热装置包括多根上述任一种烧结热管；且每根所述烧结热管的主管段的部分或全部与所述半导体制冷片的热端或冷端热连接；每根所述烧结热管的分叉管段用于向环境空气中散热或向所述内胆的储物间室传冷。
本发明的烧结热管及具有其的半导体制冷冰箱中因为烧结热管具有分叉管段，其结构与现有沿唯一路径延伸的传统烧结热管相比具有显著的差异，且本发明中的烧结热管显著提高了其散热或传冷效率。
进一步地，本发明的烧结热管及具有其的半导体制冷冰箱中新型结构的烧结热管特别适用于半导体制冷片等高热流密度的热源进行散热。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。
附图中：
图1是根据本发明一个实施例的烧结热管的示意性结构图；
图2是图1中A处的示意性局部剖视图；
图3是根据本发明一个实施例的烧结热管的示意性结构图；
图4是根据本发明一个实施例的烧结热管的示意性主视图；
图5是图4所示烧结热管的示意性左视图；
图6是根据本发明一个实施例的半导体制冷冰箱的示意性右视图；
图7是根据本发明一个实施例的半导体制冷冰箱的示意性后视图。
具体实施方式
图1是根据本发明一个实施例的烧结热管的示意性结构图。如图1所示，并参考图2，本发明实施例提供了一种结构新颖的烧结热管200，其具有较高的散热或传冷效率，可应用于各种换热装置中，特别适用于半导体制冷片150等高热流密度的热源进行散热。具体地，该烧结热管200可包括两端均封闭的主管段210。特别地，在主管段210一侧的一个或多个部位处分别延伸出一个分叉管段220，以提高烧结热管200的散热或传冷效率。每个分叉管段220的工作腔230可与主管段210的工作腔230相连通，以便于烧结热管200内的蒸汽流动。烧结热管200的多个分叉管段220位于主管段210的一侧，也可使该烧结热管200的结构紧凑。
在本发明的一些进一步地实施例中，如图2所示，每个分叉管段220内的吸液芯240与主管段210内的吸液芯240相连接。每个分叉管段220内的吸液芯240与主管段210内的吸液芯240均紧贴相应管内壁，以便于工作液体的流动。进一步地，每个分叉管段220的直径可等于主管段210的直径。在本发明的一些替代性实施例中，每个分叉管段220的直径也可小于主管段210的直径。
主管段210的轴线可为空间曲线，以便于烧结热管200的布置。由本领域技术人员所习知的，主管段210的轴线也可为平面曲线，例如直线、L型线或U型线。每个分叉管段220是从主管段210的相应部位处沿垂直于主管段210的方向向外延伸出的。
图3是根据本发明一个实施例的烧结热管200的示意性结构图。在本发明实施例中，烧结热管200的主管段210的轴线为直线。每个分叉管段220的起始端均位于主管段210的中部管段。在散热或传冷时，可将烧结热管200的主管段210的中部管段的与具有分叉管段220一侧相对的另一侧的中部管段贴靠于热源或冷源，每个分叉管段220和主管段210的两 端均可用于散热或传冷。分叉管段220可为至少3个，其起始端在主管段210上沿主管段210的延伸方向等间距地布置。
图4是根据本发明一个实施例的烧结热管200的示意性主视图。如图4所示，并参考图5，本发明实施例中的烧结热管200的主管段210可包括第一直管部分212和沿垂直于第一直管部分212的方向从第一直管部分212一端延伸出的、末端封闭的第二直管部分213。特别地，每个分叉管段220的起始端均位于第一直管部分212。优选地，每个分叉管段220在一垂直于第一直管部分212的平面内的投影与第二直管部分213在该平面内的投影重合。本领域人员也可理解的是，在本发明实施例中，在主管段210的第一直管部分212的一侧具有分叉管段220时，主管段210的第二直管部分213也可理解为其是从主管段210的一个末端延伸出的分叉管段220。
在本发明实施例中，该烧结热管200还包括一端封闭的第三直管部分211和连接在所述第一直管部分212和所述第三直管部分211之间的连接直管部分214。所述第三直管部分211与所述第一直管部分212平行设置。所述连接直管部分214与所述第一直管部分212和所述第三直管部分211均呈100°至170°的角度设置。优选地，所述第一直管部分212、所述第三直管部分211和所述连接直管部分214处同一平面内，该平面垂直于所述第二直管部分213。第三直管部分211可用于与热源或冷源热连接，第一直管部分212、第二直管部分213和分叉管段220可用于散热或传冷。在本发明的一些替代性实施例中，烧结热管200可只包括第一直管部分212、连接直管部分214和第三直管部分211。每个分叉管段220的起始端均位于第一直管部分212。
图6是根据本发明一个实施例的半导体制冷冰箱的示意性右视图。如图6所示，并参考图7，本发明实施例还提供了一种半导体制冷冰箱，其包括内胆100、半导体制冷片150和换热装置。换热装置用于将来自半导体制冷片150的热端的热量散发到环境空气中，或将来自半导体制冷片150的冷端的冷量传递至内胆100的储物间室。特别地，换热装置可具有多根上述任一实施例中的烧结热管200。而且，每根烧结热管200的主管段210的部分或全部与半导体制冷片150的热端或冷端热连接；每根烧结热管200的分叉管段220用于向环境空气中散热或向储物间室传冷。在图6和图7所示出的实施例中，换热装置用于半导体制冷片150热端的散热。
为了进一步提高散热或传冷效率，每根烧结热管200的分叉管段220上可安装有散热翅片300。换热装置还可包括风机。具体地，每个翅片300的中部开设有容纳通孔，以使多个翅片300限定出沿容纳通孔的轴线延伸的容纳空间。风机可为离心式风扇400，离心式风扇 400可设置于该容纳空间内，配置成从其进风区吸入气流并向每两个相邻翅片300之间的间隙吹送。在本发明的一些替代性实施例中，风机也可为轴流风机，其可设置在多个分叉管段220的同侧，配置成：从其进风区吸入气流并向每两个相邻翅片300之间的间隙吹送，或从每两个相邻翅片300之间的间隙吸入气流并向其送风区吹送。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (10)

  1. 一种烧结热管，其特征在于，包括两端均封闭的主管段；且
    在所述主管段一侧的一个或多个部位处分别延伸出一个分叉管段；
    每个所述分叉管段的工作腔与所述主管段的工作腔相连通。
  2. 根据权利要求1所述的烧结热管，其特征在于，
    每个所述分叉管段内的吸液芯与所述主管段内的吸液芯相连接。
  3. 根据权利要求1所述的烧结热管，其特征在于，
    所述主管段的轴线为空间曲线；或
    所述主管段的轴线为直线、L型线或U型线。
  4. 根据权利要求1所述的烧结热管，其特征在于，
    每个所述分叉管段是从所述主管段的相应部位处沿垂直于所述主管段的方向向外延伸出的。
  5. 根据权利要求1所述的烧结热管，其特征在于，
    所述分叉管段为至少3个，其起始端在所述主管段上沿所述主管段的延伸方向等间距地布置。
  6. 根据权利要求1所述的烧结热管，其特征在于，
    所述主管段的轴线为直线；且
    每个所述分叉管段的起始端均位于所述主管段的中部管段。
  7. 根据权利要求1所述的烧结热管，其特征在于，
    所述主管段包括第一直管部分和沿垂直于所述第一直管部分的方向从所述第一直管部分一端延伸出的、末端封闭的第二直管部分；且
    每个所述分叉管段的起始端均位于所述第一直管部分；
    每个所述分叉管段在一垂直于所述第一直管部分的平面内的投影与所述第二直管部分在该平面内的投影重合。
  8. 根据权利要求7所述的烧结热管，其特征在于，所述主管段还包括：
    第三直管部分，其一端封闭，且与所述第一直管部分平行设置；和
    连接直管部分，连接在所述第一直管部分和所述第三直管部分之间，与所述第一直管部分和所述第三直管部分均呈100°至170°的角度设置；且
    所述第一直管部分、所述第三直管部分和所述连接直管部分处同一平面内，该平面垂直 于所述第二直管部分。
  9. 根据权利要求1所述的烧结热管，其特征在于，
    每个所述分叉管段的直径等于所述主管段的直径。
  10. 一种半导体制冷冰箱，包括内胆、半导体制冷片和换热装置，其特征在于，
    所述换热装置包括多根权利要求1至9中任一项所述的烧结热管；且
    每根所述烧结热管的主管段的部分或全部与所述半导体制冷片的热端或冷端热连接；
    每根所述烧结热管的分叉管段用于向环境空气中散热或向所述内胆的储物间室传冷。
PCT/CN2015/091096 2015-02-03 2015-09-29 烧结热管及具有其的半导体制冷冰箱 WO2016123997A1 (zh)

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