CN116086218A - Compact printed circuit board type heat exchanger of underwater carrier - Google Patents
Compact printed circuit board type heat exchanger of underwater carrier Download PDFInfo
- Publication number
- CN116086218A CN116086218A CN202211678616.5A CN202211678616A CN116086218A CN 116086218 A CN116086218 A CN 116086218A CN 202211678616 A CN202211678616 A CN 202211678616A CN 116086218 A CN116086218 A CN 116086218A
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- Prior art keywords
- cold
- heat exchanger
- hot
- fluid
- circuit board
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Classifications
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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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0012—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the apparatus having an annular form
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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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
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- 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
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- 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
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
-
- 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
- F28F9/007—Auxiliary supports for elements
- F28F9/0075—Supports for plates or plate assemblies
Abstract
The invention discloses a compact printed circuit board type heat exchanger of an underwater carrier, which comprises a heat exchanger core body and a shell sleeved outside the heat exchanger core body, wherein compression plates are respectively arranged at two ends of the heat exchanger core body, the heat exchanger core body comprises a plurality of cold fluid plates and hot fluid plates which are alternately sealed and overlapped, fluid channels are arranged on the cold fluid plates and the hot fluid plates, and a hot working medium and a cold working medium reversely flow in the fluid channels to form heat exchange; and secondly, a vacuum heat insulation cavity is formed between the shell and the heat exchanger core, so that coupling heat transfer is reduced, high-efficiency operation of the heat exchanger is ensured, when the core expands at high temperature, margin is reserved for thermal expansion in the heat exchange process, the influence of shell outside seawater on heat exchange is reduced, and the safety of the heat exchanger is improved.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a compact printed circuit board type heat exchanger of an underwater carrier.
Background
The heat exchanger is an important general industrial device and occupies a significant position in the fields of chemical industry, energy sources, agriculture and the like. For underwater vehicles, heat exchangers are an important component of their power systems, and their heat exchange capacity determines the speed and range of the vehicle. However, in the underwater platform, the traditional heat exchanger has large volume and weight, the heat exchange performance is greatly influenced by the underwater sloshing working condition, and the working performance of the carrier is limited. Therefore, the compactness of the heat exchanger is improved, the working stability is improved, and the heat exchange capacity is ensured, and meanwhile, the weight and the volume are very important.
The printed circuit board heat exchanger (PCHE) is a board heat exchanger adopting all-solid phase welding, a channel structure is formed on the board through a chemical etching technology, a heat exchanger core body is formed by adopting vacuum diffusion welding, no additional welding flux is needed, the welding quality between the boards is high, and the strength of the core body can reach more than 95% of that of a base metal. The heat exchanger has the advantages of high heat transfer efficiency, compact volume, high temperature resistance, high pressure resistance, less leakage and the like, and meets the requirements of the underwater carrier heat exchanger. However, the shape of the carrier is generally rectangular, and when the carrier is applied to an underwater carrier, an additional fixed platform is required. Furthermore, when faced with large heat exchange power demands, PCHE needs to be designed very long, but is constrained by diffusion furnace length and weld quality. Although the process usually adopts a design of multi-time baffling, the pressure loss at the baffling bent angle is large, and the axial heat conduction problem is serious.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the compact printed circuit board type heat exchanger of the underwater carrier, which is used for the heat exchange system of the underwater carrier, and has compact structure and improved heat exchange efficiency.
The invention is realized by the following technical scheme:
the compact printed circuit board type heat exchanger of the underwater carrier comprises a heat exchanger core body, wherein a shell is sleeved outside the heat exchanger core body, a vacuum heat insulation cavity is arranged between the heat exchanger core body and the shell, two ends of the heat exchanger core body are respectively provided with a compression plate, and the heat exchanger core body comprises a plurality of cold fluid plates and hot fluid plates which are alternately sealed and overlapped;
an annular hot side runner is arranged on one side of the hot fluid plate, two ends of the hot side runner are respectively connected with a hot fluid inlet and a hot fluid outlet and are used for connecting an outlet and an inlet of a heat source of an underwater carrier, and the hot fluid inlet and the hot fluid outlet of each hot fluid plate are coaxially arranged and communicated; one side of the cold fluid sheet is provided with an annular cold side runner, two ends of the cold side runner are respectively connected with a cold fluid inlet and a cold fluid outlet, and the cold side runner is used for connecting an outlet and an inlet of a cold source of an underwater carrier, and a cold fluid inlet and a cold fluid outlet of each cold fluid sheet are coaxially arranged and communicated.
Preferably, a plurality of concentric supporting rings are arranged in the hot side runner and the cold side runner, the hot side runner and the cold side runner are divided into a plurality of runners from inside to outside, and the supporting rings of the plates are coaxially arranged.
Preferably, the widths of the plurality of flow channels decrease sequentially from inside to outside.
Preferably, the flow channel is a linear flow channel, a zigzag flow channel or an S-shaped flow channel.
Preferably, the shell comprises a plurality of annular shell plates which are sleeved outside the cold fluid plate and the hot fluid plate respectively, and the shell plates are connected with the fluid plate through supporting strips; when cold fluid plates or hot fluid plates are alternately stacked, a plurality of annular shells form the shell.
Preferably, a vacuum groove is arranged between the shell plate and the fluid plate.
Preferably, the working media in the hot side flow channel and the cold side flow channel flow reversely.
Preferably, the heat exchanger core is provided with a hot flow total inflow channel, a cold flow total inflow channel and a cold flow total outflow channel which are axially arranged;
the hot fluid total inflow channel is communicated with the inlet of the hot side flow channel of the hot fluid plate, the cold fluid total inflow channel is communicated with the inlet of the cold side flow channel of each cold fluid plate, and the cold fluid total outflow channel is communicated with the outlet of the cold side flow channel of each cold fluid plate.
Preferably, a vacuum heat insulation cavity is arranged between the hot flow total inflow channel and the cold flow total inflow channel.
Preferably, the outlet of the hot side flow channel is provided on the inner circumferential wall of the hot fluid plate.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a compact printed circuit board type heat exchanger of an underwater carrier, which comprises a heat exchanger core body formed by alternately superposing a plurality of cold fluid plates and hot fluid plates, wherein fluid channels are arranged on the cold fluid plates and the hot fluid plates, and the hot working medium and the cold working medium reversely flow in the fluid channels to form heat exchange; and secondly, a shell is arranged outside the heat exchanger core, a vacuum heat insulation cavity is formed between the shell and the heat exchanger core, so that coupling heat transfer is reduced, efficient operation of the heat exchanger is ensured, when the core expands at high temperature, allowance is reserved for thermal expansion in the heat exchange process, the influence of shell outside seawater on heat exchange is reduced, and the safety of the heat exchanger is improved.
Drawings
FIG. 1 is a schematic view of a printed circuit board heat exchanger of the present invention;
FIG. 2 is a schematic view of a thermal fluid plate of the present invention;
fig. 3 is a schematic view of a cold fluid plate according to the present invention.
In the figure: 1-upper layer compression plate, 2-cold fluid plate, 3-hot fluid plate, 4-lower layer compression plate, 5-hot side axial total inlet, 6-cold side axial total inlet, 7-cold side axial total outlet, 8-hot side radial total outlet, 9-hot side runner, 10-hot side inlet diversion area, 11-hot fluid inlet, 12-cold fluid outlet, 13-inlet and outlet vacuum insulation groove, 14-shell runner vacuum insulation groove, 15-cold fluid inlet, 16-hot fluid outlet, 17-hot fluid plate support bar, 18-shell, 19-cold fluid plate support bar, 20-cold side runner, 21-cold side outlet diversion area.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which illustrate but do not limit the invention.
Referring to fig. 1 to 3, a compact printed circuit board type heat exchanger of an underwater vehicle comprises a heat exchanger core, and compression plates press-fitted at both ends thereof, the heat exchanger core comprising a plurality of cold fluid plates 2 and hot fluid plates 3 alternately sealed and stacked;
an annular hot side runner 9 is arranged on one side of the hot fluid plate 3, two ends of the hot side runner are respectively connected with a hot fluid inlet 11 and a hot fluid outlet 16, the hot fluid inlet 11 and the hot fluid outlet 16 of each hot fluid plate 3 are coaxially arranged and communicated, and the hot fluid inlet 11 and the hot fluid outlet 16 respectively form a thermal circulation passage with a heat source of an underwater carrier; an annular cold side runner 20 is arranged on one side of the cold fluid plate 2, two ends of the cold side runner 20 are respectively connected with a cold fluid inlet 15 and a cold fluid outlet 12, the cold fluid inlet 15 and the cold fluid outlet 12 of each cold fluid plate 2 are coaxially arranged and communicated, and the cold fluid inlet 15 and the cold fluid outlet 12 respectively form a cold circulation passage with a cold source of an underwater carrier.
Referring to fig. 2, the hot fluid plates 3 are in an annular structure, the hot side flow channels 9 are processed on one side end surface of the hot fluid plates 3 in a PCHE mode, a plurality of concentric supporting rings are arranged in the hot side flow channels 9 to divide the hot side flow channels 9 into a plurality of heat exchange flow channels from inside to outside, meanwhile, the supporting rings form a bearing function on two adjacent hot fluid plates 3 and cold fluid plates 2, the supporting rings of the hot fluid plates 3 are coaxially arranged, the whole heat exchanger core body is rigidly supported, the space for arranging a fixed platform is saved for the whole heat exchanger, meanwhile, the thickness of a submarine shell is increased, and the bearing capacity of the submarine is improved.
The widths of the heat exchange channels decrease gradually from inside to outside, and the heat exchange channels are in the form of annular channels, so that the length of the inner side channels is shorter, the inner side channels are widened, the heat exchange quantity of the inner side and the outer side heat exchange is balanced, the heat exchange quantity of each heat exchange channel is the same, the heat exchange channels are linear channels, Z-shaped channels or S-shaped channels, the optimization space of heat exchange and flow resistance is improved, and the design requirement of multiple heat exchange working conditions can be met.
The hot fluid inlet 11 is a rectangular hole formed in the hot fluid plate 3, the hot fluid inlet 11 is communicated with the heat exchange channels through a hot side inlet flow guiding area, the hot fluid outlet 16 is formed in the inner annular wall of the hot fluid plate 3, the hot fluid outlet 16 is arranged at right angles to the hot side channels 9, the joint of the hot fluid outlet 16 and the hot side channels 9 adopts arc transition to reduce the circulation resistance of hot working media, the hot fluid plate 3 is also provided with a cold fluid outlet 12 and a cold fluid inlet 15, the cold fluid outlet 12 is positioned on the inner side of the hot fluid inlet 11, the cold fluid inlet 15 is positioned on the annular side of the cold fluid outlet 12, and an inlet-outlet vacuum heat insulation groove 13 is formed between the cold fluid inlet 15 and the cold fluid outlet 12.
An annular shell 18 is coaxially arranged on the outer side of the thermal fluid plate 3, an annular shell-runner vacuum insulation groove 14 is arranged between the inner wall of the shell 18 and the outer wall of the thermal fluid plate 3, the inner wall of the shell 18 and the outer wall of the thermal fluid plate 3 are connected through a plurality of thermal fluid plate supporting strips 17, and the plurality of thermal fluid plate supporting strips 17 are uniformly distributed in an annular mode.
Referring to fig. 3, the cold fluid plate 2 has an annular structure, the cold side runner 20 is formed on one side end surface of the cold fluid plate 2 by photochemical etching or machining, a plurality of concentric supporting rings are arranged in the cold side runner 20 to divide the cold side runner 20 into a plurality of cold runners from inside to outside, the supporting rings are arranged in the same manner and function as the hot fluid plate 3, and the supporting rings of the cold fluid plate 2 and the supporting rings of the hot fluid plate 3 have the same diameter and are coaxially arranged.
The cold fluid outlet 12 and the cold fluid inlet 15 are two rectangular holes formed in the cold fluid plate 2, a vacuum groove is formed between the cold fluid outlet 12 and the cold fluid inlet 15, the cold fluid outlet 12 is communicated with the end part of the cold side flow channel through a cold side outlet diversion area, and the cold fluid plate 2 is also provided with a hot fluid inlet 11.
The outer side of the cold fluid plate 2 is coaxially provided with an annular shell 18, an annular shell-runner vacuum heat insulation groove 14 is arranged between the inner wall of the shell 18 and the outer wall of the cold fluid plate 2, the inner wall of the shell 18 and the outer wall of the hot fluid plate 3 are connected through a plurality of cold fluid plate support bars 19, the plurality of cold fluid plate support bars 19 are uniformly distributed in an annular mode and are arranged in a staggered mode with the hot fluid plate support bars 17 in an annular mode, and the coupling heat transfer of the cold fluid plate and the hot fluid plate is reduced.
Referring again to fig. 1, the heat exchanger core is composed of a plurality of cold fluid plates 2 and hot fluid plates 3 alternately stacked, and the hot fluid inlet 11, the hot fluid outlet 16, the cold fluid inlet 15 and the cold fluid outlet 12 on each of the cold fluid plates 2 and the hot fluid plates 3 are coaxially arranged, so that an axially arranged hot fluid total inflow channel, a cold fluid total inflow channel and a cold fluid total outflow channel are formed on the heat exchanger core, the hot fluid total inflow channel is communicated with the hot fluid inlet 11 of each of the hot fluid plates 3, the cold fluid total inflow channel is communicated with the cold fluid inlet 15 of each of the cold fluid plates 2, and the cold fluid total outflow channel is communicated with the hot fluid inlet 11 of each of the cold fluid plates 2.
The upper layer compression plate 1 is provided with a hot side axial total inlet 5, a cold side axial total inlet 6 and a cold side axial total outlet 7, the hot side axial total inlet 5 is communicated with the hot flow total inflow channel, the cold side axial total inlet 6 is communicated with the cold flow total inflow channel, the cold side axial total outlet 7 is communicated with the cold flow total outflow channel, and a hot side radial total outlet 8 is formed on the annular inner wall of the heat exchanger core; the cold side axial main inlet 6 is connected with a cold source outlet of the underwater carrier, the cold side axial main outlet 7 is connected with a cold source inlet of the underwater carrier, the hot side axial main inlet 5 is connected with a heat source outlet of the underwater carrier, and the hot side radial main outlet 8 is connected with a heat source inlet of the underwater carrier.
The cold fluid sheet and the shell connected with the hot fluid sheet are integrally formed, the stainless steel, the aluminum alloy, the titanium alloy or the copper alloy are made of materials, the machining mode is a photochemical etching or machining mode, the width of the support bar of the runner is 1-4mm, the thickness of the cold fluid sheet and the thickness of the hot fluid sheet are 1-4mm, and the depth of the runner is 0.5-3 mm.
The sections of the hot side flow channel and the cold side flow channel are rectangular, semicircular and elliptic, the processing mode can adopt photochemical etching or mechanical processing, the hydraulic diameter is 1-3 mm, the width of the heat exchange flow channel on the inner side is wider than that on the outer side, and the purpose of the heat exchange device is to enable heat exchange of the inner side flow channel and the outer side to be more uniform.
The two adjacent cold fluid plates and the hot fluid plates of the printed circuit board type heat exchanger are fixedly connected by adopting vacuum diffusion welding to form the whole annular columnar heat exchanger, a vacuum heat insulation cavity is formed between the heat exchanger core and the shell, a heat insulation material is filled in the vacuum heat insulation cavity and is sealed after being vacuumized, so that the coupling heat transfer is reduced, the efficient operation of the heat exchanger is ensured, when the core expands at high temperature, a margin is reserved for thermal expansion in the heat exchange process, the influence of outside sea water of the shell on heat exchange is reduced, and the safety of the heat exchanger is improved; secondly, the printed circuit board type heat exchanger and the submarine shell are simultaneously processed to form an integrated pressure-bearing device, so that the design thickness of the shell can be reduced, the thickness of the shell of the submarine carrier is increased, the pressure-bearing capacity of the submarine carrier is improved, an additional heat exchanger fixing platform is not required to be arranged, and meanwhile, the upper side and the lower side of the cylindrical heat exchanger can be used for bearing pressure by utilizing other shell sections, so that thicker compacting plates are not required, the space occupation and the weight of the whole submarine shell are reduced, and in addition, the heat exchanger is processed by stainless steel, aluminum alloy, copper alloy or titanium alloy, and the welding quality is high and can bear seawater and carbon dioxide environments.
The working principle of the printed circuit board type heat exchanger provided by the invention is explained below.
The hot fluid flows in from the hot side axial main inlet 5, enters the hot fluid inlet 11 corresponding to the hot fluid plate 3, enters the hot side flow channel 9 through the hot side inlet diversion area 10, flows out from the hot fluid outlet 16 after heat exchange in the anticlockwise direction, and enters the heat source inlet of the underwater carrier.
Cold fluid flows in from the cold side axial main inlet 6, flows into the cold side flow channel 20 after entering the cold fluid inlet 15 corresponding to the cold fluid plate 2, flows counter-currently to the hot fluid in the clockwise direction, flows out from the cold fluid outlet 12 through the cold side outlet diversion area 21 after heat exchange is finished, and flows out to the cold source inlet of the underwater carrier after converging at the cold side axial main outlet 7. The heat fluid outlet 16 baffling place, the heat side axial total inlet 5, the cold side axial total inlet 6 and the cold side axial total outlet 7 adopt round angle design, so that no dead zone is generated in the working medium flowing process. All the total inlet and outlet diversion forms can be converted according to actual working conditions and spaces.
According to the printed circuit board type heat exchanger, an upper compression plate, a plurality of hot fluid plates, a cold fluid plate and a lower compression plate are subjected to solid phase welding by a vacuum diffusion welding technology, and the inlet and outlet areas of the flow channels of each heat exchange plate form the inlet and outlet of the fluid of the whole heat exchanger; the vacuum diffusion welding is adopted to carry out solid phase connection to form the annular column-shaped heat exchanger core structure, the precision of the flow channel is high, the processing efficiency is high, the deformation of the plate is small, the core strength is high, and the leakage is low. Due to the adoption of the annular column structure, the shell is matched with the shape of the shell, a pressure-bearing device can be simultaneously processed through vacuum diffusion welding, the thickness of the shell is increased due to phase change, and meanwhile, the heat exchanger is fixed. The annular flow channel greatly prolongs the length of the heat exchange flow channel of the traditional cuboid PCHE, and has lower flow resistance than the PCHE adopting the multi-stage baffling flow channel.
The inlet and outlet forms of the heat exchange plate fluid are axial angular hole type and radial diversion type, the hot fluid flows in from the axial inlet of the annular column-shaped heat exchanger core body, is split once through a plurality of hot fluid plates, then flows into each heat exchange flow passage in the plates, flows to an outlet area, flows out from the radial inner side of the column-shaped core body through radial diversion flow passages; cold fluid flows in from the axial inlet of the annular column-shaped heat exchanger core body, is split once through a plurality of cold fluid plates, then flows into each heat exchange flow channel in the plates, flows in a space parallel reverse direction with hot fluid, and flows out from the axial outlet of the column-shaped core body; according to the invention, the hot side axial total inlet 5, the cold side axial total inlet 6 and the cold side axial total outlet 7 adopt an angular hole type flow guiding mode, fluid flows into the heat exchange plates along the axial direction of the cylinder and flows into and out of the heat exchange flow channel along the radial direction of the cylinder, and the hot side radial total outlet 8 adopts a baffling flow guiding mode to enable the fluid to flow out along the radial direction.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. The compact printed circuit board type heat exchanger of the underwater carrier is characterized by comprising a heat exchanger core body, wherein a shell is sleeved outside the heat exchanger core body, a vacuum heat insulation cavity is arranged between the heat exchanger core body and the shell, two ends of the heat exchanger core body are respectively provided with a compression plate, and the heat exchanger core body comprises a plurality of cold fluid plates (2) and hot fluid plates (3) which are alternately sealed and overlapped;
an annular hot side runner (9) is arranged on one side of the hot fluid plate (3), two ends of the hot side runner are respectively connected with a hot fluid inlet (11) and a hot fluid outlet (16) and are used for connecting an outlet and an inlet of a heat source of an underwater carrier, and the hot fluid inlet (11) and the hot fluid outlet (16) of each hot fluid plate (3) are coaxially arranged and communicated; one side of the cold fluid sheet (2) is provided with an annular cold side runner (20), two ends of the cold side runner (20) are respectively connected with a cold fluid inlet (15) and a cold fluid outlet (12) and are used for connecting an outlet and an inlet of a cold source of an underwater carrier, and the cold fluid inlet (15) and the cold fluid outlet (12) of each cold fluid sheet (2) are coaxially arranged and communicated.
2. A compact printed circuit board heat exchanger for an underwater vehicle according to claim 1, characterized in that the hot side runner (9) and the cold side runner (20) are each provided with a plurality of concentric support rings dividing the hot side runner (9) and the cold side runner (20) into a plurality of runners from inside to outside, the support rings of the respective plates being coaxially arranged.
3. A compact printed circuit board heat exchanger for an underwater vehicle as in claim 2 wherein the width of the plurality of flow channels decreases sequentially from the inside to the outside.
4. A compact printed circuit board heat exchanger for an underwater vehicle according to claim 2, wherein the flow channels are linear flow channels, zigzag flow channels or S-shaped flow channels.
5. A compact printed circuit board heat exchanger for an underwater vehicle according to claim 1, wherein the housing comprises a plurality of annular shells, which are respectively sleeved outside the cold fluid plate (2) and the hot fluid plate (3), and which are connected to the fluid plates by support bars; when cold fluid plates (2) or hot fluid plates (3) are alternately stacked, a plurality of annular shells form the housing.
6. A compact printed circuit board heat exchanger for an underwater vehicle as in claim 5 wherein a vacuum groove is provided between the shell plate and the fluid sheet.
7. A compact printed circuit board heat exchanger for an underwater vehicle according to claim 1, characterized in that the working fluid in the hot side flow channel (9) and the cold side flow channel (20) flow in countercurrent.
8. A compact printed circuit board heat exchanger for an underwater vehicle as in claim 1 wherein the heat exchanger core is provided with an axially disposed total inflow channel for hot flow, a total inflow channel for cold flow and a total outflow channel for cold flow;
the hot flow total inflow channel is communicated with an inlet of a hot side flow channel (9) of the hot fluid plate, the cold flow total inflow channel is communicated with an inlet of a cold side flow channel (20) of each cold fluid plate (2), and the cold flow total outflow channel is communicated with an outlet of the cold side flow channel (20) of each cold fluid plate (2).
9. A compact printed circuit board heat exchanger for an underwater vehicle as in claim 8 wherein a vacuum insulating chamber is provided between the hot and cold fluid total inflow channels.
10. A compact printed circuit board heat exchanger for underwater vehicles according to claim 8, characterized in that the outlet of the hot side runner (9) is provided on the inner annular wall of the hot fluid plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211678616.5A CN116086218A (en) | 2022-12-26 | 2022-12-26 | Compact printed circuit board type heat exchanger of underwater carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211678616.5A CN116086218A (en) | 2022-12-26 | 2022-12-26 | Compact printed circuit board type heat exchanger of underwater carrier |
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| Publication Number | Publication Date |
|---|---|
| CN116086218A true CN116086218A (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211678616.5A Pending CN116086218A (en) | 2022-12-26 | 2022-12-26 | Compact printed circuit board type heat exchanger of underwater carrier |
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| CN (1) | CN116086218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685804A (en) * | 2024-02-04 | 2024-03-12 | 西安交通大学 | Multi-header split-flow annular printed circuit board heat exchanger |
-
2022
- 2022-12-26 CN CN202211678616.5A patent/CN116086218A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685804A (en) * | 2024-02-04 | 2024-03-12 | 西安交通大学 | Multi-header split-flow annular printed circuit board heat exchanger |
| CN117685804B (en) * | 2024-02-04 | 2024-04-30 | 西安交通大学 | Multi-header split-flow annular printed circuit board heat exchanger |
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