CN117329888A - Capillary force type flat plate heat pipe - Google Patents

Capillary force type flat plate heat pipe Download PDF

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Publication number
CN117329888A
CN117329888A CN202311263255.2A CN202311263255A CN117329888A CN 117329888 A CN117329888 A CN 117329888A CN 202311263255 A CN202311263255 A CN 202311263255A CN 117329888 A CN117329888 A CN 117329888A
Authority
CN
China
Prior art keywords
capillary
capillary core
cover plate
heat pipe
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311263255.2A
Other languages
Chinese (zh)
Inventor
徐亚威
刘雷
张红星
苗建印
回迪
刘畅
秦洁洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute of Spacecraft System Engineering
Original Assignee
Beijing Institute of Spacecraft System Engineering
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Institute of Spacecraft System Engineering filed Critical Beijing Institute of Spacecraft System Engineering
Priority to CN202311263255.2A priority Critical patent/CN117329888A/en
Publication of CN117329888A publication Critical patent/CN117329888A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to the technical field of space thermal control, in particular to a capillary force type flat plate heat pipe. The metal fiber felt capillary core and the metal mesh capillary core are sequentially arranged in a sealed cavity formed by the upper cover plate and the lower cover plate, liquid filling holes are respectively formed in one side edge sealing of the upper cover plate and one side edge sealing of the lower cover plate, the liquid filling holes are used for communicating the sealed cavity and filling gas-liquid phase change working medium, the metal fiber felt capillary core and the metal mesh capillary core are further arranged on two metal mesh capillary core strips on the metal mesh capillary core, and the two metal mesh capillary core strips are symmetrically arranged on two sides of the metal fiber felt capillary core. According to the invention, the mass transfer distance of the capillary core is expanded in a capillary force mode, so that the constraint caused by the difference of the thermal expansion coefficients of the capillary core and the shell material is skillfully avoided, and the size of the flat heat pipe based on the capillary core of the stainless steel wire mesh is greatly improved.

Description

Capillary force type flat plate heat pipe
Technical Field
The invention relates to the technical field of space thermal control, in particular to a capillary force type flat plate heat pipe.
Background
The aluminum-based flat heat pipe has the characteristics of low density, good thermal conductivity and the like, and is widely applied to heat dissipation of large-heat-consumption satellite-borne electronic equipment. The stainless steel sintering silk screen is a capillary core material most commonly used for aluminum-based flat plate heat pipes due to the fact that the stainless steel sintering silk screen is regular in pore space, strong in pore diameter design and easy to obtain. The difference of thermal expansion coefficients of the stainless steel wire mesh material and the aluminum alloy shell material is large, so that the size of a flat heat pipe product cannot be increased, and the application scene of the flat heat pipe is limited.
The optimized design of the capillary core structure is a research focus for improving the performance of the flat plate heat pipe, the capillary core for the aluminum-based flat plate heat pipe has obvious effect by adopting a stainless steel woven net and fiber bundles in the prior art, however, the thermal expansion coefficient of the aluminum alloy is 25 multiplied by 10 -6 K -1 The thermal expansion coefficient of the stainless steel material is 18 multiplied by 10 -6 K -1 There is a large thermal mismatch problem during the soldering high temperature process. The aluminum-based flat plate heat pipe based on the stainless steel net cannot be large in size, and the use scene of the aluminum-based flat plate heat pipe is limited.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a capillary force type flat heat pipe, which avoids the constraint caused by the difference of thermal expansion coefficients of the capillary core and the shell material, and greatly increases the size of the flat heat pipe based on the stainless steel wire mesh capillary core.
In order to achieve the above and other related objects, the invention provides a capillary force type flat heat pipe, which comprises an upper cover plate, a metal fiber mat capillary core, a metal net capillary core and a lower cover plate, wherein the peripheries of the upper cover plate and the lower cover plate are respectively provided with a convex sealing edge, the upper cover plate and the lower cover plate form a sealed cavity through the sealing edges, the metal fiber mat capillary core and the metal net capillary core are sequentially arranged in the sealed cavity formed by the upper cover plate and the lower cover plate, and liquid filling holes are respectively formed in the sealing edges on one side of the upper cover plate and the sealing edges on one side of the lower cover plate, and are used for communicating the sealed cavity and filling gas-liquid phase change working media.
In an embodiment of the invention, the metal mesh capillary core is formed by splicing multiple sections, a splicing gap is covered by the metal fiber felt capillary core, and a metal mesh capillary core strip is arranged above each section of metal mesh capillary core.
In an embodiment of the present invention, a plurality of first vapor chamber pressure-bearing structural columns are disposed in an inner wall surface of the upper cover plate, a plurality of second vapor chamber pressure-bearing structural columns are disposed in an inner wall surface of the lower cover plate, a diameter of each first vapor chamber pressure-bearing structural column is larger than a diameter of each second vapor chamber pressure-bearing structural column, and the first vapor chamber pressure-bearing structural columns and the second vapor chamber pressure-bearing structural columns are in interference fit.
In an embodiment of the present invention, a plurality of first channel capillary core structures and a plurality of first staggered channel capillary core structures are further disposed in an inner wall surface of the upper cover plate, a plurality of first vapor cavity pressure-bearing structural columns are disposed between any two of the first channel capillary core structures, and the periphery of each first staggered channel capillary core structure is provided with the first vapor cavity pressure-bearing structural columns.
In an embodiment of the present invention, a plurality of second channel capillary core structures and a plurality of second staggered channel capillary core structures are further disposed in an inner wall surface of the lower cover plate, a plurality of second vapor cavity pressure-bearing structural columns are disposed between any two second channel capillary core structures, and the second vapor cavity pressure-bearing structural columns are disposed around each second staggered channel capillary core structure.
In an embodiment of the invention, the first staggered channel capillary core structures are respectively disposed at two sides in the inner wall surface of the upper cover plate.
In an embodiment of the invention, the second staggered channel capillary wick structures are respectively disposed at two sides in the inner wall surface of the lower cover plate.
In an embodiment of the present invention, a gap is provided between the metal fiber felt wick and two of the metal mesh wick strips.
In an embodiment of the present invention, the metal mesh capillary core includes a plurality of metal mesh capillary cores, the plurality of metal mesh capillary cores are connected in a splicing manner, and the metal mesh capillary core is provided with a plurality of vias.
In an embodiment of the present invention, the metal fiber felt capillary core is disposed on a splice seam of the metal mesh capillary core, and a center of the metal fiber felt capillary core is aligned to the splice seam, and a plurality of vias are disposed on the metal fiber felt capillary core.
As described above, the capillary force type flat plate heat pipe has the following beneficial effects:
(1) The capillary force type flat heat pipe comprises an upper cover plate, a metal net capillary core, a metal fiber felt and a lower cover plate, wherein the capillary core structure adopts a split series scheme, the capillary force core is arranged at the connecting part, the mass transfer distance of the capillary core is expanded in a capillary force mode, the constraint caused by the difference of the thermal expansion coefficients of the capillary core and a shell material is skillfully avoided, and the size of the flat heat pipe based on the stainless steel net capillary core is greatly expanded.
(2) The splicing positions of the metal net capillary cores are connected by adopting the metal fiber felt capillary cores made of flexible porous materials, so that the working medium is prevented from being interrupted in the splicing process, and the heat transfer capacity of the product is improved.
(3) According to the invention, the metal wire mesh strips are arranged above each section of metal wire mesh capillary core, so that capillary communication of the upper wall surface and the lower wall surface of the cavity is realized, and the circulating flow distance of working media is reduced, thereby improving the heat transfer capacity of the flat heat pipe.
(4) The metal mesh capillary core and the channel capillary core structure are cooperatively used, capillary sealing is realized through interference fit, liquid mass transfer resistance can be reduced, and heat transfer capacity is improved.
(5) The metal mesh capillary core adopts gradient design, can give consideration to large capillary force and good working medium permeability, and improves the heat transfer capacity of the flat heat pipe.
(6) According to the invention, the first vapor cavity pressure-bearing structural column and the second vapor cavity pressure-bearing structural column are in interference fit, so that the fixation and capillary sealing of the metal mesh capillary core are realized, and the flat plate heat pipe has good mechanical environment adaptability.
Drawings
Fig. 1 is an exploded schematic view of a cavity structure of a capillary force type flat heat pipe according to an embodiment of the present application.
Fig. 2 is an exploded schematic view of a cavity structure of a capillary force type flat heat pipe according to another embodiment of the present application.
Fig. 3 is a schematic partial view of an upper cover plate and a lower cover plate of a capillary force type flat heat pipe according to an embodiment of the present application.
Description of element reference numerals
1. Upper cover plate
2. Capillary core of metal fiber felt
3. Metal net capillary core
4. Lower cover plate
5. Metal net capillary core strip
11. First vapor chamber pressure-bearing structural column
12. First channel capillary core structure
13. First staggered channel capillary core structure
41. Second vapor chamber pressure-bearing structural column
42. Second channel capillary core structure
43. Second staggered channel capillary core structure
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the illustrations, not according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Referring to fig. 1 and fig. 2, fig. 1 is an exploded schematic view of a cavity structure of a capillary force type flat heat pipe according to an embodiment of the present application. Fig. 2 is an exploded schematic view of a cavity structure of a capillary force type flat heat pipe according to another embodiment of the present application. The invention provides a capillary force type flat heat pipe, which comprises an upper cover plate 1, a metal fiber mat capillary core 2, a metal net capillary core 3 and a lower cover plate 4, wherein protruding sealing edges are arranged on the periphery of the upper cover plate 1 and the periphery of the lower cover plate 4, the upper cover plate 1 and the lower cover plate 4 form a sealed cavity through the sealing edges, the metal fiber mat capillary core 2 and the metal net capillary core 3 are sequentially arranged in the sealed cavity formed by the upper cover plate 1 and the lower cover plate 4, and liquid filling holes are respectively arranged on the sealing edges on one side of the upper cover plate 1 and the sealing edges on one side of the lower cover plate 4 and are used for communicating the sealed cavity and filling gas-liquid phase change working media. The capillary force type flat plate heat pipe further comprises two metal net capillary core strips 5 arranged on the metal net capillary core 3, and the two metal net capillary core strips 5 are symmetrically arranged on two sides of the metal fiber felt capillary core 2.
Specifically, the gas-liquid phase change working medium can be, but is not limited to, water, acetone, ammonia, freon and the like. The two metal mesh capillary core strips 5 may be rectangular metal mesh capillary core strips, and the rectangular metal mesh capillary core strips may be disposed at the middle position of the metal mesh capillary core 3.
The upper cover plate 1 and the lower cover plate 4 can adopt thin-wall structures, the inner side is provided with pressure-bearing lattice structural characteristics, the inner wall surface is provided with transverse channel-shaped capillary structures, and the heat source and the heat sink are provided with staggered channel-shaped capillary structures.
The metal mesh capillary core 3 adopts a split series structure, the metal fiber felt capillary core 2 is arranged at the connecting part, the mass transfer distance of the capillary core is expanded in a capillary force mode, the constraint caused by the difference of the thermal expansion coefficients of the capillary core and the shell material is avoided, and the size of the flat heat pipe based on the stainless steel mesh capillary core is greatly improved.
Referring to fig. 3, fig. 3 is a schematic partial view of an upper cover plate and a lower cover plate of a capillary force type flat heat pipe according to an embodiment of the present application. A plurality of first vapor cavity pressure-bearing structural columns 11 are arranged in the inner wall surface of the upper cover plate 1, a plurality of second vapor cavity pressure-bearing structural columns 41 are arranged in the inner wall surface of the lower cover plate 4, the diameter of each first vapor cavity pressure-bearing structural column 11 is larger than that of each second vapor cavity pressure-bearing structural column 41, and the first vapor cavity pressure-bearing structural columns 11 are in interference fit with the second vapor cavity pressure-bearing structural columns 41. A plurality of second channel capillary core structures 42 and a plurality of second staggered channel capillary core structures 43 are further arranged in the inner wall surface of the lower cover plate 4, a plurality of second vapor cavity pressure-bearing structural columns 41 are arranged between any two second channel capillary core structures 42, and the second vapor cavity pressure-bearing structural columns 41 are arranged around each second staggered channel capillary core structure 43. According to the invention, the first vapor cavity pressure-bearing structural column 11 and the second vapor cavity pressure-bearing structural column 41 are in interference fit, so that the fixation and capillary sealing of the metal mesh capillary core are realized, and the flat plate heat pipe has good mechanical environment adaptability.
A plurality of first channel capillary core structures 12 and a plurality of first staggered channel capillary core structures 13 are further arranged in the inner wall surface of the upper cover plate 1, a plurality of first vapor cavity pressure-bearing structural columns 11 are arranged between any two of the first channel capillary core structures 12, and the periphery of each first staggered channel capillary core structure 13 is provided with the first vapor cavity pressure-bearing structural columns 11. The first staggered channel capillary core structures 13 are respectively arranged at two sides in the inner wall surface of the upper cover plate 1.
Specifically, the first channel capillary core structure 12 is segmented according to the size of the metal mesh capillary core 3, the channel capillary structure is broken at the splicing position of the metal mesh capillary core 3, and the contour of the channel capillary core structure is not more than that of the corresponding metal mesh capillary core 3.
Specifically, the first staggered channel capillary wick structure 13 includes a plurality of transverse channel capillary wick structures parallel to each other and a plurality of longitudinal channel capillary wick structures parallel to each other, and the second staggered channel capillary wick structure 43 includes a plurality of transverse channel capillary wick structures parallel to each other and a plurality of longitudinal channel capillary wick structures parallel to each other. The channel capillary core structure and the longitudinal channel capillary core structure are arranged in a crossing way.
The second staggered channel capillary wick structures 43 are respectively disposed on two sides in the inner wall surface of the lower cover plate 4. A gap is arranged between the metal fiber felt capillary core 2 and the two metal net capillary core strips 5.
The metal mesh capillary cores 3 comprise a plurality of metal mesh capillary cores 3, the metal mesh capillary cores 3 are connected in a splicing mode, and a plurality of through holes are formed in the metal mesh capillary cores 3.
The metal fiber felt capillary core 2 is arranged on the splicing seam of the metal net capillary core 3, the center of the metal fiber felt capillary core 2 is aligned with the splicing seam, and a plurality of through holes are formed in the metal fiber felt capillary core 2. Specifically, the metal mesh capillary core 3 can adopt a stainless steel mesh capillary core, the stainless steel mesh capillary core is connected in a multi-block splicing mode, the problem that the product size is limited due to thermal mismatch of the stainless steel mesh capillary core and the shell is solved, and the method has expansibility and can obviously improve the design size of the flat heat pipe. The splicing position of the spliced stainless steel net capillary core is connected by adopting a flexible porous material capillary, so that the working medium is prevented from being interrupted in the splicing process, and the heat transfer capacity of the product is improved.
Specifically, the capillary structure is characterized in that a porous capillary structure is arranged in a vapor cavity, two whole metal net capillary cores 3 are assembled in a lattice manner with a second vapor cavity pressure-bearing structural column 41 of a lower cover plate 4, a metal fiber felt capillary core 2 is arranged in the middle of each metal net capillary core 3 and used for capillary bridging, a through vapor channel is formed in the middle of each metal net capillary core 3, 2 metal net capillary core strips 5 are arranged in the vapor channel, and thus the porous capillary cores are sleeved around the pressure-bearing lattice structure in the vapor cavity and form a three-dimensional communicated capillary structure with the upper metal fiber felt capillary core 2 and the lower metal fiber felt capillary core 2. The metal net capillary core and the channel capillary core structure are cooperatively used and are subjected to capillary sealing, so that the heat transfer capacity of the flat heat pipe is remarkably improved. The metal mesh capillary core adopts gradient design, can give consideration to large capillary force and good working medium permeability, and improves the heat transfer capacity of the flat heat pipe.
In summary, the capillary force type flat heat pipe comprises an upper cover plate 1, a metal net capillary core 2, a metal fiber felt 3 and a lower cover plate 4, and the flat heat pipe consists of a thin-wall shell, a composite capillary structure and a phase change working medium, wherein the capillary core structure adopts a split series scheme, the capillary force core is arranged at a connecting part, the mass transfer distance of the capillary core is expanded in a capillary force mode, the constraint caused by the difference of thermal expansion coefficients of the capillary core and the shell material is skillfully avoided, and the flat heat pipe size based on the stainless steel net capillary core is greatly improved.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A capillary force type flat plate heat pipe is characterized in that: including upper cover plate (1), metal fiber felt capillary core (2), metal mesh capillary core (3), lower apron (4), all be provided with convex banding around upper cover plate (1) and lower apron (4), upper cover plate (1) and lower apron (4) pass through the banding constitutes sealed cavity, metal fiber felt capillary core (2), metal mesh capillary core (3) set gradually in the sealed cavity that upper cover plate (1) with lower apron (4) constitutes, one side banding of upper cover plate (1) with one side banding of lower apron (4) is provided with the liquid filling hole respectively, the liquid filling hole is used for the intercommunication sealed cavity and fills into gas-liquid phase transition working medium.
2. A capillary force type flat plate heat pipe according to claim 1, wherein: the metal mesh capillary cores (3) are formed by splicing multiple sections, splicing gaps are covered by the metal fiber felt capillary cores (2), and metal mesh capillary core strips (5) are arranged above each section of the metal mesh capillary cores (3).
3. A capillary force type flat plate heat pipe according to claim 1, wherein: a plurality of first vapor cavity pressure-bearing structural columns (11) are arranged in the inner wall surface of the upper cover plate (1), a plurality of second vapor cavity pressure-bearing structural columns (41) are arranged in the inner wall surface of the lower cover plate (4), the diameter of each first vapor cavity pressure-bearing structural column (11) is larger than that of each second vapor cavity pressure-bearing structural column (41), and the first vapor cavity pressure-bearing structural columns (11) are in interference fit with the second vapor cavity pressure-bearing structural columns (41).
4. A capillary force type flat plate heat pipe according to claim 3, wherein: a plurality of first channel capillary core structures (12) and a plurality of first staggered channel capillary core structures (13) are further arranged in the inner wall surface of the upper cover plate (1), a plurality of first vapor cavity pressure-bearing structural columns (11) are arranged between any two of the first channel capillary core structures (12), and the periphery of each first staggered channel capillary core structure (13) is provided with the first vapor cavity pressure-bearing structural columns (11).
5. A capillary force type flat plate heat pipe according to claim 3, wherein: a plurality of second channel capillary core structures (42) and a plurality of second staggered channel capillary core structures (43) are further arranged in the inner wall surface of the lower cover plate (4), a plurality of second vapor cavity pressure-bearing structural columns (41) are arranged between any two second channel capillary core structures (42), and the periphery of each second staggered channel capillary core structure (43) is provided with the second vapor cavity pressure-bearing structural columns (41).
6. A capillary force type flat plate heat pipe according to claim 4, wherein: the first staggered channel capillary core structures (13) are respectively arranged on two sides in the inner wall surface of the upper cover plate (1).
7. A capillary force type flat plate heat pipe according to claim 5, wherein: the second staggered channel capillary core structures (43) are respectively arranged on two sides in the inner wall surface of the lower cover plate (4).
8. A capillary force type flat plate heat pipe according to claim 2, wherein: a gap is arranged between the metal fiber felt capillary core (2) and the two metal net capillary core strips (5).
9. A capillary force type flat plate heat pipe according to claim 2, wherein: the metal net capillary cores (3) comprise a plurality of metal net capillary cores (3) which are connected in a splicing mode, and a plurality of through holes are formed in the metal net capillary cores (3).
10. A capillary force type flat plate heat pipe according to claim 9, wherein: the metal fiber felt capillary core (2) is arranged on the splicing seam of the metal net capillary core (3), the center of the metal fiber felt capillary core (2) is aligned with the splicing seam, and a plurality of through holes are formed in the metal fiber felt capillary core (2).
CN202311263255.2A 2023-09-27 2023-09-27 Capillary force type flat plate heat pipe Pending CN117329888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311263255.2A CN117329888A (en) 2023-09-27 2023-09-27 Capillary force type flat plate heat pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311263255.2A CN117329888A (en) 2023-09-27 2023-09-27 Capillary force type flat plate heat pipe

Publications (1)

Publication Number Publication Date
CN117329888A true CN117329888A (en) 2024-01-02

Family

ID=89274810

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311263255.2A Pending CN117329888A (en) 2023-09-27 2023-09-27 Capillary force type flat plate heat pipe

Country Status (1)

Country Link
CN (1) CN117329888A (en)

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