CN113340139A - Hot shell component - Google Patents
Hot shell component Download PDFInfo
- Publication number
- CN113340139A CN113340139A CN202110768605.5A CN202110768605A CN113340139A CN 113340139 A CN113340139 A CN 113340139A CN 202110768605 A CN202110768605 A CN 202110768605A CN 113340139 A CN113340139 A CN 113340139A
- Authority
- CN
- China
- Prior art keywords
- shell
- heat
- inner cavity
- shell component
- heat source
- 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
Links
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000001704 evaporation Methods 0.000 claims abstract description 22
- 230000008020 evaporation Effects 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 238000009834 vaporization Methods 0.000 claims description 5
- 230000008016 vaporization Effects 0.000 claims description 5
- 239000000341 volatile oil Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
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
- 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
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
Landscapes
- 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 Semiconductors Or Solid State Devices (AREA)
Abstract
The invention provides a hot shell component, which comprises a sealed inner cavity enclosed by an external shell and the shell, wherein the shell is provided with a central through hole, and the central through hole is sleeved on a heat source point structure to dissipate heat and cool the heat source point structure; the evaporation liquid is arranged in the inner cavity, criss-cross capillary grooves are densely distributed on the cavity wall of the inner cavity, the evaporation liquid can be guided to the inner cavity surface at the position of the contact surface of the heat source point structure through the capillary effect at any installation angle of the heat shell component, at the moment, the evaporation liquid absorbs heat, and after the temperature of the heat source point structure rises to a certain value, the evaporation liquid is vaporized and takes away the heat, and the heat is liquefied and released in a low-temperature area of the inner cavity surface far away from the position of the contact surface of the heat source point structure. Because of the phase change of the evaporated liquid, the cooling effect of the invention is greatly superior to that of a passive cooling mode using a cooling metal sheet.
Description
Technical Field
The invention relates to the technical field of heat source heat dissipation structures, in particular to a hot shell component.
Background
When the machine is operated, a plurality of heat source points which can emit high heat exist, such as shafts which run at high speed, fuel combustion chambers or other connecting pairs which apply friction transmission. In order to ensure the long-term stable operation of the equipment, excessive heat accumulation needs to be prevented, and heat dissipation needs to be carried out on the heat source points.
Disclosure of Invention
In view of the above, the present invention provides a heat shell member, which is connected to a heat source point, so that heat at the heat source point can be quickly dissipated, and the operation of the device can be stabilized.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a hot shell component comprises an outer shell and a sealed inner cavity enclosed by the shell, wherein a central through hole is formed in the shell and used for being sleeved on a heat source point structure to provide a heat exchange interface;
the evaporation liquid is arranged in the inner cavity, criss-cross capillary grooves are densely distributed on the cavity wall of the inner cavity, the evaporation liquid can be guided to the inner cavity surface corresponding to the position of the contact surface of the heat source point structure through the capillary effect at any installation angle of the heat shell component, at the moment, the evaporation liquid absorbs heat, when the temperature of the heat source point structure rises to a certain value, the evaporation liquid is vaporized and takes away the heat, and liquefaction and heat release are carried out on the inner cavity surface of the low-temperature area corresponding to the position far away from the contact surface of the heat source point structure.
The capillary effect is the property of a liquid to automatically extend along a capillary tube under some small holes or gaps due to tension, overcoming gravity. According to the invention, under the action of capillary effect, the evaporating liquid is fully distributed with the capillary grooves on the wall of the cavity, so that the evaporating liquid in the shell can be ensured to extend to the heat source along the grooves.
Further, the inner cavity is filled with pressure gas, and the vaporization temperature is adjusted through the surface pressure of the evaporation liquid so as to adapt to different required temperature levels.
The invention utilizes the characteristics that the evaporated liquid has strong liquidity after being vaporized and can spontaneously supplement the vapor of the evaporated liquid vaporized at high temperature after being contacted with the low-temperature shell to release heat and liquefy in the low-temperature area, and the invention can rapidly transfer the heat in the high-temperature area to the low-temperature area.
The shape of the heat shell component can be any shape, and the heat shell component can be designed into any shape of the appearance of a part contacting with a heat source point structure as required only by forming a cavity capable of containing a certain amount of evaporated liquid and air.
The heat shell component can be made of high-heat-conductivity metal such as aluminum alloy, copper and the like, and the specific material is selected according to the temperature control condition, the thickness of the cavity wall of the inner cavity and the like, wherein the aluminum alloy has the characteristics of stronger applicability, better strength and heat conductivity, moderate economy and the like;
the evaporation liquid can be selected from water or volatile oil, and is also determined by the working temperature, and the working temperature of a common heat source is higher than 100 ℃ and only needs to select water.
The pressure gas can be air or inert gas such as argon, carbon dioxide, etc., the volatile oil can be inert gas, and water can be air.
Preferably, the hot shell component of the invention is of a circular ring structure as a whole, the circular ring structure is relatively regular and is simpler to manufacture, and the circular ring structure enables the space occupied by all directions to be the same when the hot shell component is applied.
Preferably, the outer edge of the casing of the thermal shell member is a curved surface, and the outer edge of the casing is designed to be a curved surface (preferably a convex curved surface), so that the contact area with air during heat dissipation can be increased to the maximum extent, and the heat exchange efficiency is increased.
Two sides of the shell of the heat shell component are in a structure that the outer edge is gradually reduced towards the central through hole.
The technical scheme of the invention has the following beneficial effects:
the technical scheme of the invention is that heat source heat dissipation is completed through an independent component, a large amount of early-stage design is not needed, the applicability is strong, the cavity can be designed into any shape on the premise of ensuring a certain vaporization space, and the invention can be used in various scenes with small space and need to be cooled remotely. Because of the phase change of the evaporated liquid, the cooling effect of the invention is greatly superior to that of a passive cooling mode using a cooling metal sheet.
Drawings
FIG. 1 is a schematic structural view of a thermal shell member;
FIG. 2 is a schematic longitudinal sectional view of a thermal shell member;
FIG. 3 is a cross-sectional view of a heat shell member;
fig. 4 is a schematic view of the arrangement of capillary grooves on the inner cavity of the thermal shell member.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is given with reference to specific embodiments.
PREFERRED EMBODIMENTS
In principle, the shape of the heat shell member can be any shape, and only one cavity capable of containing a certain amount of evaporating liquid and air is required to be formed, so that the shape of the appearance of any part contacting with the heat source point structure can be designed according to the requirement. As shown in fig. 1-4, the heat shell member of the present embodiment is a circular ring structure, and the outer edge of the shell 1 of the heat shell member is designed as a convex curved surface, and the two sides of the shell 1 of the heat shell member are tapered from the outer edge to the central through hole.
The hot shell component of the embodiment comprises an outer shell 1 and a sealed inner cavity 2 enclosed by the shell 1, wherein the shell 1 is provided with a central through hole 3, and the central through hole 3 is used for being sleeved on a heat source point structure (shaft) to provide a heat exchange interface;
the evaporation liquid 4 is arranged in the inner cavity 2, criss-cross capillary grooves 5 are densely distributed on the cavity wall of the inner cavity 2, the evaporation liquid 4 can be drained to an inner cavity surface (hot surface) at the position of a contact surface with a heat source point structure through a capillary effect at any installation angle of the heat shell component, at the moment, the evaporation liquid 4 absorbs heat, and after the temperature of the heat source point structure rises to a certain value, the evaporation liquid 4 is vaporized and takes away the heat, and is liquefied and released heat at the inner cavity surface (cold surface) of a low-temperature area far away from the position of the contact surface of the heat source point structure.
The capillary effect is the property of a liquid to automatically extend along a capillary tube under some small holes or gaps due to tension, overcoming gravity. According to the technical scheme, under the action of a capillary effect, the evaporation liquid 4 is fully distributed with the capillary grooves 5 on the wall of the inner cavity 2, so that the evaporation liquid 4 in the shell can be ensured to extend to a heat source along the capillary grooves 5.
The inner cavity 2 is filled with pressure gas, and the vaporization temperature is adjusted through the surface pressure of the evaporation liquid 4 so as to adapt to different required temperature levels.
The heat shell component can be made of high-thermal-conductivity metal, such as aluminum alloy, copper and the like, and the specific material is selected according to the temperature control condition, the thickness of the cavity wall of the inner cavity and the like, wherein the heat shell component of the embodiment is made of the aluminum alloy, so that the heat shell component has the characteristics of higher aluminum alloy applicability, better strength and thermal conductivity, moderate economy and the like;
the evaporation liquid 4 can be water or volatile oil, and is also determined by the working temperature, and the working temperature of the common heat source treated by the method is higher than 100 ℃ by selecting water.
The pressure gas can be air or inert gas such as argon, carbon dioxide, etc., the volatile oil can be inert gas, and water can be air. Correspondingly, air is selected as the pressure gas in the embodiment.
According to the technical scheme, heat source heat dissipation is completed through an independent component, the applicability is high, the cavity can be designed into any shape on the premise that a certain vaporization space is ensured, and the heat source heat dissipation device can be used in a plurality of scenes with small space and need to be cooled at the far end. Due to the evaporative liquid phase change, the cooling effect is greatly superior to the passive cooling mode using the cooling metal sheet.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A hot shell component is characterized by comprising an outer shell and a sealed inner cavity enclosed by the shell, wherein the shell is provided with a central through hole which is used for being sleeved on a heat source point structure;
the evaporation liquid is arranged in the inner cavity, and criss-cross capillary grooves are densely distributed on the wall of the inner cavity.
2. A thermal shell member according to claim 1, wherein said internal chamber is filled with a gas under pressure, and the vaporization temperature is adjusted by the surface pressure of the evaporant.
3. A hot shell component according to claim 1, characterized in that the material of the hot shell component is an aluminium alloy or copper.
4. A thermal shell member according to claim 1, wherein said evaporant is selected from water or a volatile oil.
5. A hot shell component according to claim 1, wherein said pressurized gas is selected from air or an inert gas.
6. A hot shell component according to claim 5, wherein the inert gas is argon or carbon dioxide.
7. A hot shell component as claimed in claim 1, wherein the hot shell component is generally annular in configuration.
8. A hot shell component according to claim 7, wherein the outer periphery of the shell of the hot shell component is curved.
9. The heat shell member of claim 8, wherein the shell body sides of the heat shell member are tapered from the outer edge to the central through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768605.5A CN113340139A (en) | 2021-07-07 | 2021-07-07 | Hot shell component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768605.5A CN113340139A (en) | 2021-07-07 | 2021-07-07 | Hot shell component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113340139A true CN113340139A (en) | 2021-09-03 |
Family
ID=77482966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768605.5A Pending CN113340139A (en) | 2021-07-07 | 2021-07-07 | Hot shell component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113340139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322615A (en) * | 2021-12-21 | 2022-04-12 | 江苏大学 | Phase change heat dissipation device for micro power system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2113375A (en) * | 1982-01-07 | 1983-08-03 | Norman Hugh Scurrah | Improvements in heat exchangers |
| CN101055157A (en) * | 2006-04-14 | 2007-10-17 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN101055156A (en) * | 2006-04-14 | 2007-10-17 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN101866887A (en) * | 2009-04-16 | 2010-10-20 | 富瑞精密组件（昆山）有限公司 | Heat radiator |
-
2021
- 2021-07-07 CN CN202110768605.5A patent/CN113340139A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2113375A (en) * | 1982-01-07 | 1983-08-03 | Norman Hugh Scurrah | Improvements in heat exchangers |
| CN101055157A (en) * | 2006-04-14 | 2007-10-17 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN101055156A (en) * | 2006-04-14 | 2007-10-17 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN101866887A (en) * | 2009-04-16 | 2010-10-20 | 富瑞精密组件（昆山）有限公司 | Heat radiator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322615A (en) * | 2021-12-21 | 2022-04-12 | 江苏大学 | Phase change heat dissipation device for micro power system |
| CN114322615B (en) * | 2021-12-21 | 2023-11-10 | 江苏大学 | Phase-change heat dissipation device for micro-power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210903 |
|
| RJ01 | Rejection of invention patent application after publication |