CN113928520B - Closed air mute cooling system of underwater vehicle - Google Patents
Closed air mute cooling system of underwater vehicle Download PDFInfo
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- CN113928520B CN113928520B CN202111133556.4A CN202111133556A CN113928520B CN 113928520 B CN113928520 B CN 113928520B CN 202111133556 A CN202111133556 A CN 202111133556A CN 113928520 B CN113928520 B CN 113928520B
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- refrigerant water
- seal head
- condenser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/36—Adaptations of ventilation, e.g. schnorkels, cooling, heating, or air-conditioning
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- Aviation & Aerospace Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the field of underwater vehicles, and particularly discloses a closed air mute cooling system of an underwater vehicle, which comprises a condenser and a double-channel heat exchanger, wherein: the double-channel heat exchanger comprises a gas seal head, an upper refrigerant water cavity, a composite pipe structure, a lower refrigerant water cavity and a liquid seal head which are sequentially arranged from top to bottom, wherein the composite pipe structure comprises a heat pipe pipeline and a refrigerant water pipeline, two ends of the heat pipe pipeline are respectively communicated with the gas seal head and the liquid seal head, and two ends of the refrigerant water pipeline are respectively communicated with the upper refrigerant water cavity and the lower refrigerant water cavity; the condenser is arranged outside the cabin of the underwater vehicle, and two ends of the condenser are respectively connected with the gas seal head and the liquid seal head. The composite structure of the heat pipe heat exchanger and the refrigerant water heat exchanger changes the working mode according to different working requirements, thereby replacing or partially replacing the effect of cooling the refrigerant water, reducing the using amount of the refrigerant water and the power consumption of the air conditioner, saving energy, improving the endurance and reducing the noise of the air conditioner system.
Description
Technical Field
The invention belongs to the field of underwater vehicles, and particularly relates to a closed air silencing cooling system of an underwater vehicle.
Background
An underwater vehicle is a navigation body which navigates underwater and can complete underwater exploration, detection and other tasks. According to the loading state of the underwater vehicle, the water filling condition of the main water ballast tank and the use requirement, the underwater vehicle has different water discharge amounts and navigation states, and how to adopt an optimal heat exchange mode to cool the air in the tank and reduce the energy consumption under different navigation states is a subject which needs to be considered. In addition, the special characteristics of underwater navigation include high pressure outside the ship and marine corrosion, and the pressure resistance and corrosion resistance of the equipment and pipelines outside the ship need to be considered.
The traditional air cooling device uses a water chilling unit to cool air through a centrifugal fan, an axial flow fan and the like, and the function of the traditional air cooling device is to reduce the ambient temperature, so that equipment and personnel work in a proper temperature range. The main disadvantage of the existing water chilling unit is that the working environment of the underwater vehicle is severe due to the noise generated by the high-power water pump.
The separated heat pipe is used as a passive heat exchange system evolved from a heat pipe heat exchanger, has a simple structure, can realize heat exchange between indoor seawater and outboard seawater, and can effectively solve the problem of noise of a water chilling unit because no external power is needed. However, the existing separated heat pipe has the problems that the separated heat pipe cannot be regulated and controlled, so that the requirement of the working environment in the cabin of the underwater vehicle in all navigation states is difficult to meet, meanwhile, the heat exchange efficiency is still low, and the traditional unit cannot be completely replaced.
Disclosure of Invention
Aiming at the defects or improvement requirements in the prior art, the invention provides a closed air mute cooling system of an underwater vehicle, which aims to select a cooling mode according to different navigation states, reduce the usage amount of refrigerant water, further reduce the required energy consumption and improve the self-sustaining capability of the underwater vehicle; meanwhile, the noise of the air conditioning system is reduced, and the working environment of underwater operators is improved.
In order to achieve the purpose, the invention provides a closed air mute cooling system of an underwater vehicle, which comprises a condenser and a double-channel heat exchanger, wherein:
the double-channel heat exchanger comprises a gas seal head, an upper refrigerant water cavity, a composite pipe structure, a lower refrigerant water cavity and a liquid seal head which are sequentially arranged from top to bottom, wherein the composite pipe structure comprises a heat pipe pipeline and a refrigerant water pipeline, two ends of the heat pipe pipeline are respectively communicated with the gas seal head and the liquid seal head, and two ends of the refrigerant water pipeline are respectively communicated with the upper refrigerant water cavity and the lower refrigerant water cavity;
the condenser is arranged outside the cabin of the underwater vehicle, and two ends of the condenser are respectively connected with the gas seal head and the liquid seal head.
Preferably, the heat pipe comprises a pipe body and a wire mesh, wherein a steam channel is formed in the inner wall surface of the pipe body, and the wire mesh is fixed in the pipe body through a spring.
More preferably, the wire mesh is a stainless steel mesh with 200-400 meshes, and the porosity is 30-55%.
Preferably, the inner wall surface of the pipe body forms a steam channel through fins arranged at intervals, the height of each fin is 0.5 mm-1 mm, the width of each fin is 1 mm-1.5 mm, and the width of each steam channel is 0.5 mm-2 mm.
As a further preference, the condenser is installed at a position higher than the two-pass heat exchanger.
Further preferably, the heat pipe pipeline and the chilled water pipeline are arranged at intervals.
Preferably, the condenser and the heat pipe pipeline are made of nickel-copper alloy, and the gas end enclosure and the liquid end enclosure are made of stainless steel.
As a further preferred option, R134A is used as the refrigerant in the heat pipe line.
Preferably, one end of the condenser is connected with the gas seal head through a steam pipeline, the other end of the condenser is connected with the liquid seal head through a condensation backflow pipeline, and a side valve is arranged on the steam pipeline.
Preferably, the side valve is a GBC type globe cut valve.
Generally, compared with the prior art, the technical scheme conceived by the invention mainly has the following technical advantages:
1. the invention provides a composite structure of a heat pipe heat exchanger and a refrigerant water heat exchanger, which can change the working mode of a cooling system according to different working requirements, particularly when the underwater high-speed navigation is carried out, a condenser can fully exchange heat with seawater, and at the moment, the heat pipe heat exchanger is only partially utilized for carrying out mute cooling; when sailing underwater at low speed, the refrigerant water heat exchanger is started at low power, the heat pipe heat exchanger part is operated, and two cooling modes work together to realize partial noise reduction; when sailing on the water surface, only the refrigerant water heat exchanger part is used for cooling the air in the cabin. The composite structure of the invention can replace or partially replace the cooling effect of the refrigerant water, reduce the usage amount of the refrigerant water and the power consumption of the air conditioner, achieve the purposes of saving energy and improving the endurance capacity, reduce the noise of the air conditioning system and improve the working environment of underwater operating personnel.
2. The invention optimally designs the steam channel and the wire mesh for the internal structure of the heat pipe heat exchanger pipeline, can provide additional capillary suction force for a heat pipe system in the heat pipe, and simultaneously reduces the flow resistance of gas in the heat pipe, thereby improving the heat exchange capability of the separated heat pipe part.
3. The condenser is arranged outside the cabin and is higher than the double-channel heat exchanger, so that gravity can be provided for the heat pipe system as circulating power; meanwhile, the pipeline arrangement adopts the interval arrangement of a refrigerant water pipeline and a heat pipe pipeline, and the composite structure can effectively reduce the floor area of the heat exchanger.
4. The side valve is arranged on the steam pipeline, the side valve can ensure the safe operation of the system, when the outboard device is abnormal, the loop can be cut off in time, thereby ensuring the complete isolation of the inside and the outside of the cabin, and the GBC type spherical stop valve is further selected to improve the air tightness and reduce the leakage rate.
Drawings
Fig. 1 is a schematic structural diagram of a closed air-cooling system of an underwater vehicle according to an embodiment of the invention;
fig. 2 (a) and (b) are schematic structural diagrams of a dual-channel heat exchanger according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a heat pipe structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a liquid head structure of a heat pipe heat exchanger according to an embodiment of the present invention;
fig. 5 is a schematic view of the arrangement of the two-channel heat exchanger pipes according to the embodiment of the invention.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1-condenser, 2-double-channel heat exchanger, 3-steam pipeline, 4-condensation reflux pipeline, 5-side valve, 6-gas end socket, 7-upper refrigerant water cavity, 8-heat pipe pipeline, 9-refrigerant water pipeline, 10-lower refrigerant water cavity, 11-liquid end socket, 12-pipe body, 13-steam channel, 14, 17-wire mesh, 15-spring and 16-cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The closed air-silent cooling system of the underwater vehicle provided by the embodiment of the invention is shown in fig. 1, and comprises a condenser 1 and a two-channel heat exchanger 2, wherein:
the double-channel heat exchanger 2 is arranged in the cabin of the underwater vehicle and comprises a heat pipe heat exchanger and a refrigerant water heat exchanger, and as shown in figure 2, the heat pipe heat exchanger comprises a gas seal head 6, a heat pipe pipeline 8 and a liquid seal head 11 which are sequentially connected; the refrigerant water heat exchanger is connected with an external water chiller system and comprises an upper refrigerant water cavity 7, a refrigerant water pipeline 9 and a lower refrigerant water cavity 10 which are sequentially connected; the heat pipe pipelines 8 and the refrigerant water pipelines 9 are arranged at intervals and jointly form a composite pipe structure so as to effectively reduce the floor area of the heat exchanger, as shown in fig. 5; the gas seal head 6, the upper refrigerant water cavity 7, the composite pipe structure, the lower refrigerant water cavity 10 and the liquid seal head 11 are sequentially arranged from top to bottom.
One end of the condenser 1 is connected with the gas seal head 6 through a steam pipeline 3, and the other end of the condenser is connected with the liquid seal head 11 through a condensation backflow pipeline 4, namely, the heat pipe heat exchanger is connected with the condenser 1 through the condensation backflow pipeline 4 and the steam pipeline 3 to form a separated heat pipe system; the condenser 1 is installed outside the cabin of the underwater vehicle and is positioned higher than the double-channel heat exchanger 2, so that gravity is provided for a heat pipe system as circulating power.
Further, as shown in fig. 3, fins are mounted outside the heat pipe line 8, the heat pipe line 8 includes a pipe body 12 and a wire mesh 14, wherein a steam channel 13 is opened on an inner wall surface of the pipe body 12, and the wire mesh 14 is fixed in the pipe body 12 through a spring 15. Preferably, the wire mesh 14 is a porous structure formed by a stainless steel wire mesh with 200-400 meshes, and the porosity is 30% -55%; the inner wall surface of the pipe body 12 forms a steam channel 13 through fins arranged at intervals, the height of each fin is 0.5 mm-1 mm, the width of each fin is 1 mm-1.5 mm, and the width of each steam channel 13 is 0.5 mm-2 mm in consideration of processing difficulty and heat transfer performance of the heat exchanger. When the system works, after being heated, the liquid refrigerant in the heat pipe pipeline is evaporated outside the wire mesh 14, the steam enters the steam channel 13 and rises to enter the gas seal head 8, and the refrigerant in the pipeline is continuously supplemented to the channel under the action of the capillary core. In addition, as shown in fig. 4, the liquid head 11 of the heat pipe exchanger includes a cavity 16 and a wire mesh 17 attached in the cavity 16. The heat pipe pipeline of the heat pipe exchanger and the metal wire mesh in the liquid seal head can provide extra capillary suction force for the heat pipe system.
Further, the condenser 1 is made of nickel cupronickel material; the material of the heat pipe pipeline and the tube plate of the double-channel heat exchanger 2 is nickel-copper (BFe 10-1.6-0.7); the shell and the end enclosure of the double-channel heat exchanger 2 are made of stainless steel (0Cr18Ni9), so that the requirements of strength, corrosion resistance, leakage resistance, weldability, compatibility with a heat-conducting working medium and the like are met. The refrigerant in the heat pipe is selected according to the temperature range of steam operation, and R134A is selected as the refrigerant in consideration of the compatibility of the refrigerant with the pipe shell and the pipe core material, the safety and other factors.
Furthermore, be equipped with topside valve 5 on steam conduit 3, this topside valve has the fast closing for guarantee the safe operation of device, when outboard device takes place unusually, accessible time cuts off the return circuit, thereby guarantees that the cabin is inside and outside isolated completely. In order to improve the safety of the cabin-through pipe fitting, on the basis of a standard isolation valve, the cabin-through pipe fitting and a side valve are integrally designed according to the working requirement of a heat pipe cooling device, namely, the side valve and a steam pipeline are welded to improve the reliability and the safety of the cabin-through pipe fitting. Preferably, the side valve 5 is a GBC type ball stop valve, so as to meet the requirements of air tightness and leakage rate.
The closed air-silencing cooling system can change working modes according to different working requirements, and particularly switches the operation modes according to the navigation condition of the underwater vehicle:
1. when the underwater vehicle sails underwater at a high speed (the sailing speed is not less than 10 knots), the outboard condenser can fully exchange heat with the seawater, at the moment, the refrigerant water heat exchanger and a water pump of a water chilling unit are closed, no flow exists in the refrigerant water pipeline 9, and only the heat pipe heat exchanger part of the double-channel heat exchanger is used for carrying out mute cooling;
2. when the underwater vehicle sails at an underwater low speed (the sailing speed is less than 10 knots), the refrigerant water heat exchanger is started at low power (about 0.5 KW), and the heat pipe heat exchanger part is operated, and the two cooling modes work together to realize partial noise reduction; specifically, when the system works, hot air in the cabin is blown into the double-channel heat exchanger through the fan and exchanges heat with the heat pipe pipeline 8 and the refrigerant water pipeline 9 respectively, for the heat pipe heat exchanger part, a refrigerant in the heat pipe pipeline 8 absorbs heat and then changes phase and rises to the gas end enclosure 6, and enters the condenser 1 along the steam pipeline 3, a gaseous refrigerant exchanges heat with seawater in the condenser and is condensed again, and finally returns to the liquid end enclosure 11 along the condensation backflow pipeline 4 under the action of gravity; for the refrigerant water heat exchanger part, refrigerant water circulates through a lower refrigerant water cavity 10, a refrigerant water pipeline 9 and an upper refrigerant water cavity 7 in sequence;
3. when the water surface sails, the condenser 1 can not exchange heat with the seawater, and only the refrigerant water is used for cooling the air in the cabin.
The invention reduces the using amount of the refrigerant water and the power consumption of the air conditioner by replacing or partially replacing the cooling effect of the refrigerant water, thereby achieving the purposes of saving energy, improving the endurance capacity and reducing the noise of an air conditioning system.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. Closed air-mute cooling system for underwater vehicles, characterized by comprising a condenser (1) and a two-channel heat exchanger (2), wherein:
the double-channel heat exchanger (2) comprises a gas seal head (6), an upper refrigerant water cavity (7), a composite pipe structure, a lower refrigerant water cavity (10) and a liquid seal head (11) which are sequentially arranged from top to bottom, wherein the composite pipe structure comprises a heat pipe (8) and a refrigerant water pipeline (9), two ends of the heat pipe (8) are respectively communicated with the gas seal head (6) and the liquid seal head (11), and two ends of the refrigerant water pipeline (9) are respectively communicated with the upper refrigerant water cavity (7) and the lower refrigerant water cavity (10);
the condenser (1) is arranged outside the cabin of the underwater vehicle, and two ends of the condenser are respectively connected with the gas seal head (6) and the liquid seal head (11).
2. The closed air-mute cooling system for underwater vehicles according to claim 1, characterized in that the heat pipe circuit (8) is externally finned, and the heat pipe circuit (8) comprises a pipe body (12) and a wire mesh (14), wherein the inner wall of the pipe body (12) is provided with a steam channel (13), and the wire mesh (14) is fixed inside the pipe body (12) by a spring (15).
3. The closed air-mute cooling system of an underwater vehicle as claimed in claim 2, characterized in that said wire mesh (14) is a stainless steel mesh of 200-400 mesh and has a porosity of 30% -55%.
4. The closed air cooling system for underwater vehicles according to claim 2, characterized in that the internal wall of the tube (12) forms a steam channel (13) by means of fins arranged at intervals, the fins having a height of 0.5mm to 1mm, a width of 1mm to 1.5mm and a width of 0.5mm to 2 mm.
5. Closed air cooling system for underwater vehicles according to claim 1, characterized in that said condenser (1) is installed in a position higher than said two-channel heat exchanger (2).
6. Closed air cooling system for underwater vehicles according to claim 1, characterized in that said heat pipe line (8) and said chilled water line (9) are arranged at intervals.
7. Closed air-mute cooling system for underwater vehicles, according to claim 1, characterized in that the condenser (1) and the heat pipe line (8) are made of nickel-copper-nickel, the gas head (6) and the liquid head (11) being made of stainless steel.
8. Closed air cooling system for underwater vehicles according to claim 7, characterized in that R134A is used as refrigerant in the heat pipe line (8).
9. The closed air cooling system for underwater vehicles according to any of the claims 1 to 8, characterized in that the condenser (1) is connected to the gas head (6) at one end by means of a steam pipe (3) and to the liquid head (11) at the other end by means of a condensate return pipe (4), the steam pipe (3) being provided with a side valve (5).
10. Closed air cooling silence of an underwater vehicle according to claim 9, characterized in that the side valve (5) is a ball check valve of the GBC type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111133556.4A CN113928520B (en) | 2021-09-27 | 2021-09-27 | Closed air mute cooling system of underwater vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111133556.4A CN113928520B (en) | 2021-09-27 | 2021-09-27 | Closed air mute cooling system of underwater vehicle |
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| CN113928520A CN113928520A (en) | 2022-01-14 |
| CN113928520B true CN113928520B (en) | 2022-08-05 |
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| CN202111133556.4A Active CN113928520B (en) | 2021-09-27 | 2021-09-27 | Closed air mute cooling system of underwater vehicle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114701636B (en) * | 2022-03-11 | 2023-05-09 | 中国船舶重工集团公司第七一九研究所 | Ship self-flow cooling system based on separated heat pipes |
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| CN111554416A (en) * | 2020-05-29 | 2020-08-18 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Waste heat discharge system of heat pipe stack |
| CN112803674A (en) * | 2021-01-13 | 2021-05-14 | 中国人民解放军92578部队 | Marine generator cooling system |
| CN113002745A (en) * | 2021-02-02 | 2021-06-22 | 中国船舶重工集团公司第七一九研究所 | Noise elimination cooler and ship cooling system |
| CN213928937U (en) * | 2020-11-26 | 2021-08-10 | 西安平阳科技发展有限公司 | Novel heat exchanger and buoyancy control system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9105951B2 (en) * | 2011-06-22 | 2015-08-11 | Magna E-Car Systems Of America, Inc. | Thermal management system using a phase-change material for vehicle with electric traction motor |
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2021
- 2021-09-27 CN CN202111133556.4A patent/CN113928520B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58110394A (en) * | 1981-12-24 | 1983-06-30 | Mitsubishi Heavy Ind Ltd | Underwater travelling body associated with exchanger |
| CN102664292A (en) * | 2012-05-22 | 2012-09-12 | 上海电力学院 | Radiating and cooling device for power battery |
| US9581358B2 (en) * | 2013-08-30 | 2017-02-28 | Exxonmobil Upstream Research Company | Multi-phase passive thermal transfer for subsea apparatus |
| CN109866899A (en) * | 2019-03-12 | 2019-06-11 | 余姚市浙江大学机器人研究中心 | A kind of phase transformation buoyancy engine cooling using heat pipe |
| CN111554416A (en) * | 2020-05-29 | 2020-08-18 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Waste heat discharge system of heat pipe stack |
| CN213928937U (en) * | 2020-11-26 | 2021-08-10 | 西安平阳科技发展有限公司 | Novel heat exchanger and buoyancy control system thereof |
| CN112803674A (en) * | 2021-01-13 | 2021-05-14 | 中国人民解放军92578部队 | Marine generator cooling system |
| CN113002745A (en) * | 2021-02-02 | 2021-06-22 | 中国船舶重工集团公司第七一九研究所 | Noise elimination cooler and ship cooling system |
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