One-way heat transfer device and working method
A one-way, axial technology, applied in the direction of indirect heat exchangers, lighting and heating equipment, etc., can solve the problem of strict placement requirements, can not meet the one-way heat transfer, etc., to achieve compact structure, conducive to temperature average, light weight effect
Active Publication Date: 2022-06-21
XI AN JIAOTONG UNIV
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Problems solved by technology
The heat pipe that uses the capillary force of the liquid-absorbing core to maintain the circulation of the working fluid cannot meet the requirements of one-way heat transfer; the thermosiphon that uses the gravity to maintain the circulation has the characteristics of one-way heat transfer, but has strict requirements for the placement position
Method used
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[0018] Now in conjunction with example, accompanying drawing the present invention is further described:
[0019] like figure 1 As shown, a one-way heat transfer device includes a bottom end cap 1, a tube shell 2, a circumferential groove 3, a porous liquid wick 4, a transport channel 5, a vapor chamber 6, a top end cap 7, and a liquid filling tube 8 and working medium; the two ends of the tube shell 2 are respectively provided with a bottom end cap 1 and a top end cap 7, and the top end cap 7 has a liquid filling tube 8 passing through to connect the external environment and the steam chamber 6, and the inner wall surface of the tube shell 2 is along the A number of circumferential grooves 3 are arranged in the axial direction, a porous liquid-absorbing core 4 is attached to the circumferential groove 3, a transport channel 5 is arranged in the porous liquid-absorbing core 4 along the axial direction, and the inner side of the porous liquid-absorbing core 4 is a steam cavity ...
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The invention discloses a one-way heat transfer device and a working method. The device comprises a liquid-filled pipe, a top end cover, a tube shell, a bottom end cover, a circumferential groove, a porous liquid-absorbing core, a transport channel, and a steam chamber; A diversion valve and a movable membrane are arranged in the transportation channel. Both the circumferential groove and the porous liquid-absorbing core have directionality, and the two distribute the liquid working medium in the circumferential direction; the transport channel distributes the liquid working medium axially, and the existence of the diversion valve and the movable membrane ensures that the liquid working medium in the transport channel Liquid working medium can only flow in one direction. The invention has simplified structure and high reliability, and can realize one-way heat transfer of the heat pipe.
Description
technical field [0001] The invention relates to the technical field of phase change heat equipment, in particular to a one-way heat transfer device and a working method. Background technique [0002] The traditional heat pipe relies on the phase change of the working medium and the effects of gravity and capillary force to maintain the circulation of the working medium for heat transfer. As a high-efficiency passive heat transfer device, the heat pipe has the advantages of high heat transfer efficiency, excellent isothermal performance, simple processing and manufacturing, simple physical structure, and convenient installation and maintenance. For special application scenarios, the heat pipe is required to have the characteristics of one-way heat transfer. The heat pipe that uses the capillary force of the liquid wick to maintain the working fluid circulation cannot meet the requirements of one-way heat transfer; the thermosiphon that uses the gravity to maintain the circul...
Claims
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IPC IPC(8): F28D15/04
CPCF28D15/046F28D15/0266F28D15/0233
Inventor 王成龙田智星郭凯伦张大林田文喜秋穗正苏光辉
Owner XI AN JIAOTONG UNIV