CN112146495B - Gas-liquid condensation system - Google Patents
Gas-liquid condensation system Download PDFInfo
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- CN112146495B CN112146495B CN202011026849.8A CN202011026849A CN112146495B CN 112146495 B CN112146495 B CN 112146495B CN 202011026849 A CN202011026849 A CN 202011026849A CN 112146495 B CN112146495 B CN 112146495B
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- 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
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- 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
- F28D15/043—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 forming loops, e.g. capillary pumped loops
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20381—Thermal management, e.g. evaporation control
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- Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention provides a gas-liquid condensation system, which comprises a condensation unit and an evaporation unit, wherein the condensation unit and the evaporation unit are connected through a guide pipe, the evaporation unit is provided with a liquid inlet, a gas outlet and an evaporation chamber and are mutually communicated, the evaporation unit converts liquid fluid into gaseous fluid and sends the gaseous fluid into the condensation unit, the condensation unit condenses the gaseous fluid and then sends the gaseous fluid back to the evaporation unit, the gaseous fluid is split left and right and is condensed after entering the condensation unit, the gaseous fluid is converged from the left side and the right side to the middle and then returns to the evaporation unit, the pipeline length is shortened, the pipeline pressure is reduced, and the problems of heat dissipation circulation interruption and heat dissipation failure are avoided.
Description
Technical Field
The invention relates to the field of heat dissipation, in particular to a gas-liquid condensation system.
Background
As the performance of the existing electronic devices is improved, the electronic components for processing signals and calculating generate higher heat than the previous electronic components, and the most commonly used heat dissipation components include heat pipes, heat sinks, temperature equalization plates, etc. by directly contacting the electronic components that generate heat, the heat dissipation performance is further improved, thereby preventing the electronic components from being burnt due to over-high temperature.
The heat pipe structure has the advantages that a heat dissipation system with better evaporation and condensation circulation effects is automatically provided, a capillary structure for backflow and storage of working liquid is arranged in the evaporation unit, the capillary structure is provided with a plurality of grooves for vapor to flow, the evaporation unit mainly has at least one side in contact with a heating source to conduct heat, and after the working liquid in the capillary structure of the evaporation unit is heated and evaporated, the working liquid flows outwards through the plurality of grooves and flows and diffuses to the condensation unit through a pipe body connecting the evaporation unit and the condensation unit, and finally flows back to the evaporation unit to continue circulation after being condensed into liquid through the condensation unit.
However, the condensing unit is particularly required to be used for paying attention, when the pipeline of the condensing unit is too long, liquid is accumulated in the pipeline and cannot smoothly return to the evaporating unit for circulation, and when the pipeline path of the condensing unit is too narrow, the thrust of steam is insufficient to push the liquid for circulation, so that the circulation of the whole system is interrupted in any case, and the problem of heat dissipation failure is caused.
Therefore, how to solve the above problems and disadvantages is a direction in which the present inventors and related manufacturers in the industry need to research and improve.
Disclosure of Invention
In order to solve the above problems, the present invention provides a gas-liquid condensing system having a condensing unit with a short pipeline path.
Another object of the present invention is to provide a gas-liquid condensing system with low resistance of the pipeline path of the condensing unit.
To achieve the above objective, the present invention provides a gas-liquid condensing system, comprising a condensing unit and an evaporating unit, wherein:
the condensing unit includes:
the first cavity is provided with a gas inlet, a liquid outlet and a partition part, the partition part divides the internal space of the first cavity into a gas chamber and a liquid chamber, the gas inlet is communicated with the gas chamber, and the liquid outlet is communicated with the liquid chamber;
a plurality of gas flow tubes having a gas flow tube first end and a gas flow tube second end, the gas flow tube first end being in communication with the gas chamber;
a plurality of second cavities having a fluid chamber, the second ends of the gas flow tubes of the plurality of gas flow tubes being in communication with the fluid chamber;
a plurality of liquid flow tubes having a first end and a second end, the first end being in communication with the fluid chamber and the second end being in communication with the fluid chamber;
the evaporation unit is provided with a liquid inlet, a gas outlet and an evaporation chamber which are communicated with each other, the liquid inlet is connected with the liquid outlet of the first cavity through a guide pipe, and the gas outlet is connected with the gas inlet of the first cavity through another guide pipe.
The gas-liquid condensation system, wherein: the gas chamber is located above the liquid chamber.
The gas-liquid condensation system, wherein: the space of the gas chamber is greater than or equal to the space of the liquid chamber.
The gas-liquid condensation system, wherein: a left side surface and a right side surface of the first cavity are respectively provided with a plurality of through holes, and the plurality of through holes are used for communicating the first end of the gas flow pipe and the second end of the liquid flow pipe.
The gas-liquid condensation system, wherein: the plurality of gas flow tubes are further defined as a plurality of left gas flow tubes and a plurality of right gas flow tubes, the left gas flow tubes and the right gas flow tubes being of equal length.
The gas-liquid condensation system, wherein: the second cavities have a plurality of through holes for communicating the second end of the gas flow tube with the first end of the liquid flow tube.
The gas-liquid condensation system, wherein: the plurality of liquid flow tubes are further defined as a plurality of left liquid flow tubes and a plurality of right liquid flow tubes, the left liquid flow tubes and the right liquid flow tubes being of equal length.
The gas-liquid condensation system, wherein: also includes a heat-dissipating fin set contacting with the plurality of gas flow tubes and the plurality of liquid flow tubes.
To achieve the above objective, the present invention provides a gas-liquid condensing system, comprising a condensing unit and an evaporating unit, wherein:
the condensing unit includes:
the first cavity is provided with a gas inlet, a gas outlet, a liquid inlet, a liquid outlet and a partition part, the partition part divides the internal space of the first cavity into a gas chamber and a liquid chamber, the gas inlet and the gas outlet are communicated with the gas chamber, and the liquid inlet and the liquid outlet are communicated with the liquid chamber;
the second cavity is provided with an inlet, an outlet, a plurality of first flow channels and a flow isolating piece, the flow isolating piece divides the inner space of the second cavity into a gas flowing chamber and a liquid flowing chamber, a gas guiding assembly is arranged in the gas flowing chamber, a liquid guiding assembly is arranged in the liquid flowing chamber, the gas guiding assembly is provided with a plurality of second flow channels, the liquid guiding assembly is provided with a plurality of third flow channels, the inlet and the outlet are positioned between the plurality of first flow channels, the plurality of second flow channels are communicated with the inlet, the plurality of third flow channels are communicated with the outlet, and the plurality of first flow channels are respectively communicated with the plurality of second flow channels and the plurality of third flow channels;
a plurality of radiating fin groups which are contacted with the outer walls of the first cavity and the second cavity;
the evaporation unit is provided with a liquid inlet, a gas outlet and an evaporation chamber which are communicated with each other, the liquid inlet is connected with the liquid outlet of the first cavity through a guide pipe, and the gas outlet is connected with the gas inlet of the first cavity through another guide pipe.
The gas-liquid condensation system, wherein: the air guide component is formed by sequentially arranging and combining a plurality of fins and is provided with an air opening area, the second flow channel is arranged between every two heat dissipation fins, and the air opening area is in butt joint with the inlet.
The gas-liquid condensation system, wherein: the liquid guiding component is formed by sequentially arranging and combining a plurality of fins and is provided with a liquid opening area, the third flow channel is arranged between every two radiating fins, and the liquid opening area is in butt joint with the outlet.
The gas-liquid condensation system, wherein: the space of the gas flow chamber is greater than or equal to the space of the liquid flow chamber.
The gas-liquid condensation system, wherein: the gas chamber is located above the liquid chamber.
The gas-liquid condensation system, wherein: the opening area of the inlet is larger than or equal to the opening area of the outlet.
The gas-liquid condensation system, wherein: the second chamber comprises an upper cover and a lower cover, and the inlet and the outlet are positioned at the symmetrical center of the lower cover.
The gas-liquid condensation system, wherein: the lower cover also defines a left side area and a right side area, and the plurality of radiating fin groups are respectively arranged in the upper cover, the left side area of the lower cover and the right side area of the lower cover.
By means of the structure, the fluid is heated in the evaporation unit and is changed into a gaseous state and then enters the condensation unit through the guide pipe, the steam fluid flows towards the left and right directions through the internal structure of the condensation unit and is gradually condensed into a liquid state, and the liquid fluid converges towards the middle from the left and right sides and then returns to the evaporation unit through the guide pipe, so that the pipeline path of the condensation unit is shortened, the pipeline resistance is reduced, and the problems of interruption of heat dissipation circulation and heat dissipation failure are avoided.
Drawings
FIG. 1A is a perspective view of a first embodiment of the present invention;
FIG. 1B is an exploded view of the first embodiment of the present invention;
FIG. 1C is a schematic cross-sectional view of the first embodiment of the present invention;
FIG. 1D is a schematic diagram illustrating two-phase change of the working fluid according to the first embodiment of the present invention;
fig. 2 is a perspective view of a heat dissipation system to which the first embodiment of the present invention is applied;
FIG. 3A is a perspective view of a second embodiment of the present invention;
FIG. 3B is an exploded view of the second embodiment of the present invention;
FIG. 4A is a schematic cross-sectional view of a first chamber according to a second embodiment of the present invention;
FIG. 4B is a schematic cross-sectional view of a second chamber according to a second embodiment of the present invention;
FIG. 5A is a schematic diagram of a two-phase change of a working fluid according to a second embodiment of the present invention;
FIG. 5B is a schematic diagram of the two-phase change of the working fluid according to the second embodiment of the present invention;
fig. 6 is a perspective view of a heat dissipation system to which a second embodiment of the present invention is applied.
Description of reference numerals: a condensing unit A, B; a first chamber 1; a gas inlet 11; a liquid outlet 12; a partition portion 13; a gas chamber 14; a liquid chamber 15; a through hole 16; a gas flow pipe 2; a gas flow tube first end 21; a gas flow tube second end 22; a second cavity 3; a through hole 31; a liquid flow pipe 4; liquid flow tube first end 41; liquid flow tube second end 42; a heat radiation fin group 5; a first cavity 6; a gas inlet 61; a gas outlet 62; a liquid inlet 63; a liquid outlet 64; a partition portion 65; a gas chamber 66; a liquid chamber 67; a second cavity 7; an upper cover 71; a lower cover 72; an inlet 721; an outlet 722; the left region 723; a right region 724; the first flow passage 73; a flow barrier 74; a gas flow chamber 75; a gas directing assembly 751; fins 7511; a second flow channel 7512; a gas opening area 7513; a liquid flow chamber 76; a liquid guide assembly 761; a fin 7611; the third flow passage 7612; a liquid opening region 7613; a heat radiation fin group 8; a conduit 91; an evaporation unit 92; a liquid inlet 921; a gas outlet 922.
Detailed Description
The above objects of the invention, together with the structure and functional features thereof, are best understood by reference to the following detailed description of the preferred embodiment when read in conjunction with the accompanying drawings.
Referring to fig. 1A to 1D and fig. 2, there are shown a schematic perspective view, an exploded schematic view, a cross-sectional schematic view, a schematic diagram of two-phase change of working fluid, and a schematic perspective view of a heat dissipation system according to a first embodiment of the present invention, in which the gas-liquid condensation system includes a condensation unit a and an evaporation unit 92, the condensing unit a is connected to the evaporating unit 92 through two conduits 91, the evaporating unit 92 has a liquid inlet 921, a gas outlet 922 and an evaporating chamber (not shown) and communicates with each other, the flow passage in the evaporation chamber can be designed according to the use requirement to prolong the time of the fluid in the evaporation unit 92, or additionally arranging fins to increase the heat conduction effect, wherein one end of the conduit 91 is respectively connected with the liquid inlet 921 and the gas outlet 922, and the other end is connected with the gas inlet 11 and the liquid outlet 12 of the first cavity 1 of the condensation unit a.
The condensing unit A comprises a first cavity 1, a plurality of gas flow tubes 2, a plurality of second cavities 3, a plurality of liquid flow tubes 4 and a plurality of radiating fin groups 5, wherein the first cavity 1 is located in the middle of the condensing unit A, the plurality of second cavities 3 are located on the left side and the right side of the first cavity 1, the two ends of the plurality of gas flow tubes 2 and the two ends of the plurality of liquid flow tubes 4 are respectively connected with the first cavity 1 and the plurality of second cavities 3, and the plurality of radiating fin groups 5 are respectively arranged on the outer sides of the plurality of gas flow tubes 2 and the plurality of liquid flow tubes 4.
The first cavity 1 is provided with a gas inlet 11, a liquid outlet 12, a partition part 13, a gas chamber 14, a liquid chamber 15 and a plurality of through holes 16, the partition part 13 divides the inner space of the first cavity 1 into the gas chamber 14 and the liquid chamber 15, the gas inlet 11 is communicated with the gas chamber 14, the liquid outlet 12 is communicated with the liquid chamber 15, the plurality of through holes are respectively arranged on a left side surface and a right side surface of the first cavity 1, the space of the gas chamber 14 is larger than or equal to that of the liquid chamber 15, the gas chamber 14 is positioned above the liquid chamber 15, and the middle gas inlet 11 is positioned at the lower position of the gas chamber 14.
The gas flow tube 2 has a first end 21 and a second end 22 of the gas flow tube, the first end 21 of the plurality of gas flow tubes is connected to the through hole 16 of the first cavity 1, the second end 22 of the plurality of gas flow tubes is connected to the through hole 31 of the second cavity 3, the plurality of gas flow tubes 2 are further defined as a plurality of left gas flow tubes and a plurality of right gas flow tubes, the left gas flow tubes and the right gas flow tubes are equal in length.
The liquid flow tube 4 has a first end 41 and a second end 42, the second end 42 is connected to the through hole 16 of the first cavity 1, the first end 41 is connected to the through hole 31 of the second cavity 3, the liquid flow tube 4 is further defined as a plurality of left liquid flow tubes and a plurality of right liquid flow tubes, the left liquid flow tubes and the right liquid flow tubes are equal in length.
Referring to fig. 1A to 1D and fig. 2 together, when the gas-liquid condensing system of the present invention is actually used, for convenience of description, it is first defined herein, arrows in the drawings indicate a moving direction of the working fluid, dotted lines indicate that the working fluid is in a gaseous state, solid lines indicate that the working fluid is in a liquid state, the working fluid flows inside and changes between gas and liquid, a thermal contact surface of the evaporation unit 92 contacts a heat source (not shown), the working fluid changes from the liquid state to the gaseous state after being heated, and flows into the gas chamber 14 of the first cavity 1 through the upper conduit 91, when the gaseous working fluid enters the gas chamber 14, the gaseous working fluid naturally flows upward and enters the gas flow pipe 2 through the upper through hole 16, the gaseous working fluid flows from the first end 21 of the gas flow pipe toward the second end 22 of the gas flow pipe and enters the second cavity 3 through the upper through hole 31, the working fluid continuously dissipates heat to change into the liquid state (condensing) during the above flowing process, and it is apparent from fig. 1D that the working fluid converted into a liquid state naturally falls downward by means of gravity, and enters the liquid flow pipe 4 from the lower through hole 31, the liquid working fluid flows from the liquid flow pipe first end 41 toward the liquid flow pipe second end 42 and enters the liquid chamber 15 from the lower through hole 16, and the liquid working fluid flows back to the evaporation chamber of the evaporation unit 92 from the liquid outlet 12 via the lower conduit 91.
Although the liquid flow tubes 4 are only the bottom layer in the present embodiment, and the other portions are all the gas flow tubes 2, the number of the gas flow tubes 2 and the number of the liquid flow tubes 4 may be arbitrarily increased or decreased, and the preferred ratio is that the number of the gas flow tubes 2 is slightly larger than that of the liquid flow tubes 4, so that the total pipe diameter of the gas flow tubes 2 is larger than that of the liquid flow tubes 4.
In addition, in order to make the liquid working fluid flow more smoothly, a capillary structure (not shown) may be appropriately added in the liquid flow tube 4 or the second cavity 3, so that the liquid working fluid can flow back to the liquid cavity 15 more smoothly through the capillary structure, and the whole circulation is smoother.
Referring to fig. 3A, fig. 3B, fig. 4A, fig. 4B, fig. 5A, fig. 5B and fig. 6, which are schematic perspective views, an exploded schematic view, a schematic sectional view of the first cavity, a schematic sectional view of the second cavity, schematic views (a) and (B) of two-phase changes of the working fluid, and a perspective view of the heat dissipation system according to the second embodiment of the present invention, the gas-liquid condensation system according to the second embodiment of the present invention includes a condensation unit B and an evaporation unit 92, the structure of the evaporation unit 92 is the same as that of the first embodiment, and therefore will not be described herein again, one end of the conduit 91 is connected to the liquid inlet 921 and the gas outlet 922, and the other end is connected to the gas inlet 61 and the liquid outlet 64 of the first cavity 6 of the condensation unit B.
The condensing unit B comprises a first cavity 6, a second cavity 7 and a plurality of heat dissipating fin sets 8, wherein the first cavity 6 is in butt joint with the second cavity 7, the second cavity 7 is located above the first cavity 6, and the plurality of heat dissipating fin sets 8 are in contact with the outer walls of the first cavity 6 and the second cavity 7.
The first chamber 6 has a gas inlet 61, a gas outlet 62, a liquid inlet 63, a liquid outlet 64 and a partition 65 to divide the inner space of the first chamber 6 into a gas chamber 66 and a liquid chamber 67, the gas inlet 61 and the gas outlet 62 are communicated with the gas chamber 66, the liquid inlet 63 and the liquid outlet 64 are communicated with the liquid chamber 67, and the gas chamber 66 is located above the liquid chamber 67.
The second chamber 7 has an inlet 721, an outlet 722, a plurality of first flow channels 73 and a separating member 74, which divide the inner space of the second chamber 7 into a gas flow chamber 75 and a liquid flow chamber 76, a gas guiding component 751 is disposed in the gas flow chamber 75, a liquid guiding component 761 is disposed in the liquid flow chamber 76, the gas guiding component 75 has a plurality of second flow channels 7512, the liquid guiding component 761 has a plurality of third flow channels 7612, the inlet 721 and the outlet 722 are disposed between the plurality of first flow channels 73, the plurality of second flow channels 7512 are communicated with the inlet 721, the plurality of third flow channels 7612 are communicated with the outlet 722, and the plurality of first flow channels 73 are respectively communicated with the plurality of second flow channels 7512 and the plurality of third flow channels 7612.
The gas guiding assembly 751 is formed by sequentially arranging and combining a plurality of fins 7511 and has a gas opening area 7513, the second flow channel 7512 is arranged between 7511 of every two heat dissipating fins, the gas opening area 7513 is in butt joint with the inlet 721, the liquid guiding assembly 761 is formed by sequentially arranging and combining a plurality of fins 7611 and has a liquid opening area 7613, the third flow channel 7612 is arranged between every two heat dissipating fins 7611, the liquid opening area 7613 is in butt joint with the outlet 722, the space of the gas flow chamber 75 is larger than or equal to the space of the liquid flow chamber 76, and the opening area of the inlet 721 is larger than or equal to the opening area of the outlet 722.
In addition, the second chamber 7 includes an upper cover 71 and a lower cover 72, the inlet 721 and the outlet 722 are located at the symmetrical center of the lower cover 72, and the lower cover 72 further defines a left region 723 and a right region 724, and the plurality of heat dissipating fin sets 8 are respectively disposed on the upper cover 71, the left region 723 of the lower cover 72 and the right region 724 of the lower cover 72.
Referring to fig. 3A to 5B and fig. 6 together, as in the first embodiment, for convenience of description, the arrows in the drawings indicate the moving direction of the working fluid, the dotted lines indicate that the working fluid is in a gaseous state, the solid lines indicate that the working fluid is in a liquid state, the working fluid flows inside and changes between gas and liquid phases, the working fluid heated in the evaporation unit 92 changes from the liquid state to the gaseous state, enters the gas chamber 66 from the gas inlet 61 through the upper duct 91, the gaseous working fluid leaves the gas chamber 66 from the gas outlet 62 and enters the gas flow chamber 75 from the inlet 721, the gaseous working fluid enters the gas guide member 751 from the gas opening region 7513, the gaseous working fluid gradually condenses and changes to the liquid state as the plurality of second flow channels 7512 diffuse to the left and right sides, the working fluid enters the third flow channel 7612 from the second flow channel 7512 through the first flow channel 73, the working fluid is sufficiently cooled and converted from a gaseous state to a liquid state, the liquid working fluid is collected toward the middle along the plurality of third flow channels 7612, exits the liquid guide assembly 761 from the liquid opening region 7613 and exits the second chamber 7 through the outlet 722, and the liquid working fluid enters the liquid chamber 67 from the liquid inlet 63, and then exits through the liquid outlet 64 and returns to the evaporation unit 92 through the lower conduit 91 for heat dissipation circulation.
In order to make the liquid working fluid flow more smoothly, a capillary structure (not shown) may be appropriately added in the first flow channel 73 and the second flow channel 7512, so that the liquid working fluid can flow back to the liquid chamber 67 more smoothly through the capillary structure, and the whole circulation is smoother.
It should be noted that, although it is obvious that the number of the second flow passages 7512 is larger than that of the third flow passages 7612 in this embodiment, the number of the second flow passages 7512 and the third flow passages 7612 may be freely changed, but it is preferable that the total pipe diameter of the second flow passages 7512 is larger than that of the third flow passages 7612, so that the total pipe diameter of the second flow passages 7512 is larger than that of the third flow passages 7612.
In brief, the two embodiments of the present invention make the gaseous working fluid flow toward the left and right sides through the structural improvement, the liquid working fluid converges toward the middle, and the two embodiments have a plurality of paths for the gaseous working fluid to flow, so as to shorten the pipeline path of the working fluid, and have a plurality of gas paths and liquid paths to reduce the resistance of the pipeline, thereby avoiding the working fluid from being condensed into liquid too early and causing blockage due to insufficient gas pressure, which leads to failure of the heat dissipation cycle.
In summary, compared with the prior art, the invention has the following advantages:
1. shortening the path of the working fluid;
2. reducing the pipeline resistance of the working fluid;
3. multiple gas and liquid paths avoid cycling failures due to liquid blockages.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (16)
1. A gas-liquid condensing system, comprising a condensing unit and an evaporating unit, wherein:
the condensing unit includes:
the first cavity is provided with a gas inlet, a liquid outlet and a partition part, the partition part divides the internal space of the first cavity into a gas chamber and a liquid chamber, the gas inlet is communicated with the gas chamber, and the liquid outlet is communicated with the liquid chamber;
a plurality of gas flow tubes having a gas flow tube first end and a gas flow tube second end, the gas flow tube first end being in communication with the gas chamber;
the plurality of second cavities are provided with a fluid chamber, and the second ends of the gas flow pipes of the plurality of gas flow pipes are communicated with the fluid chamber;
a plurality of liquid flow tubes having a first end and a second end, the first end being in communication with the fluid chamber and the second end being in communication with the fluid chamber;
the evaporation unit is provided with a liquid inlet, a gas outlet and an evaporation chamber which are communicated with each other, the liquid inlet is connected with the liquid outlet of the first cavity through a guide pipe, and the gas outlet is connected with the gas inlet of the first cavity through another guide pipe.
2. A gas-liquid condensation system as recited in claim 1, wherein: the gas chamber is located above the liquid chamber.
3. A gas-liquid condensation system as recited in claim 2, wherein: the space of the gas chamber is greater than or equal to the space of the liquid chamber.
4. A gas-liquid condensation system as recited in claim 1, wherein: a left side surface and a right side surface of the first cavity are respectively provided with a plurality of through holes, and the plurality of through holes are used for communicating the first end of the gas flow pipe and the second end of the liquid flow pipe.
5. A gas-liquid condensation system as recited in claim 1, wherein: the plurality of gas flow tubes are further defined as a plurality of left gas flow tubes and a plurality of right gas flow tubes, the left gas flow tubes and the right gas flow tubes being of equal length.
6. The gas-liquid condensation system according to claim 1, characterized in that: the plurality of second cavities are provided with a plurality of through holes, and the plurality of through holes are used for communicating the second end of the gas flow pipe with the first end of the liquid flow pipe.
7. A gas-liquid condensation system as recited in claim 1, wherein: the plurality of liquid flow tubes are further defined as a plurality of left liquid flow tubes and a plurality of right liquid flow tubes, the left liquid flow tubes and the right liquid flow tubes being of equal length.
8. A gas-liquid condensation system as recited in claim 1, wherein: also includes a heat sink fin set contacting the plurality of gas flow tubes and the plurality of liquid flow tubes.
9. A gas-liquid condensing system, comprising a condensing unit and an evaporating unit, wherein:
the condensing unit includes:
the first cavity is provided with a gas inlet, a gas outlet, a liquid inlet, a liquid outlet and a partition part, the partition part divides the internal space of the first cavity into a gas chamber and a liquid chamber, the gas inlet and the gas outlet are communicated with the gas chamber, and the liquid inlet and the liquid outlet are communicated with the liquid chamber;
a second cavity having an inlet, an outlet, a plurality of first channels and a flow-isolating member, wherein the flow-isolating member separates the inner space of the second cavity into a gas flow chamber and a liquid flow chamber, a gas guide assembly is disposed in the gas flow chamber, a liquid guide assembly is disposed in the liquid flow chamber, the gas guide assembly has a plurality of second channels, the liquid guide assembly has a plurality of third channels, the inlet of the second cavity and the outlet of the second cavity are disposed between the plurality of first channels, the plurality of second channels are communicated with the inlet of the second cavity, the plurality of third channels are communicated with the outlet of the second cavity, and the plurality of first channels are respectively communicated with the plurality of second channels and the plurality of third channels;
a plurality of radiating fin groups which are contacted with the outer walls of the first cavity and the second cavity;
the evaporation unit is provided with a liquid inlet, a gas outlet and an evaporation chamber which are communicated with each other, the liquid inlet of the evaporation unit is connected with the liquid outlet of the first cavity through a conduit, and the gas outlet of the evaporation unit is connected with the gas inlet of the first cavity through another conduit.
10. A gas-liquid condensation system as recited in claim 9, wherein: the air guide component is formed by sequentially arranging and combining a plurality of fins and is provided with an air opening area, the second flow channel is arranged between every two heat dissipation fins, and the air opening area is in butt joint with an inlet of the second cavity.
11. A gas-liquid condensation system as recited in claim 9, wherein: the liquid guiding component is formed by sequentially arranging and combining a plurality of fins and is provided with a liquid opening area, the third flow channel is arranged between every two radiating fins, and the liquid opening area is in butt joint with the outlet of the second cavity.
12. A gas-liquid condensation system as recited in claim 9, wherein: the gas flow chamber has a volume greater than or equal to the volume of the liquid flow chamber.
13. A gas-liquid condensation system according to claim 9, characterized in that: the gas chamber is located above the liquid chamber.
14. A gas-liquid condensation system as recited in claim 9, wherein: the opening area of the inlet of the second cavity is larger than or equal to the opening area of the outlet of the second cavity.
15. A gas-liquid condensation system according to claim 9, characterized in that: the second cavity comprises an upper cover and a lower cover, and the inlet of the second cavity and the outlet of the second cavity are positioned at the symmetrical center of the lower cover of the second cavity.
16. A gas-liquid condensation system as recited in claim 15, wherein: the lower cover also defines a left side area and a right side area, and the plurality of radiating fin groups are respectively arranged in the upper cover, the left side area of the lower cover and the right side area of the lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011026849.8A CN112146495B (en) | 2020-09-25 | 2020-09-25 | Gas-liquid condensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011026849.8A CN112146495B (en) | 2020-09-25 | 2020-09-25 | Gas-liquid condensation system |
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| US6220337B1 (en) * | 1998-04-27 | 2001-04-24 | Shi-Li Chen | Heat pipe circuit type thermal battery |
| US7306028B2 (en) * | 2005-06-23 | 2007-12-11 | Thermal Corp. | Modular heat sink |
| US20070227703A1 (en) * | 2006-03-31 | 2007-10-04 | Bhatti Mohinder S | Evaporatively cooled thermosiphon |
| TW201024648A (en) * | 2008-12-26 | 2010-07-01 | Ji-De Jin | Flat loop heat pipe |
| WO2014102402A1 (en) * | 2012-12-28 | 2014-07-03 | Ibérica Del Espacio, S.A. | Loop heat pipe apparatus for heat transfer and thermal control |
| CN206670422U (en) * | 2017-01-16 | 2017-11-24 | 奇鋐科技股份有限公司 | Loop heat pipe structure |
| TWI718485B (en) * | 2019-02-27 | 2021-02-11 | 雙鴻科技股份有限公司 | Heat exchange device |
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