WO2016024521A1 - 航空機の電子機器を冷却する冷却装置 - Google Patents
航空機の電子機器を冷却する冷却装置 Download PDFInfo
- Publication number
- WO2016024521A1 WO2016024521A1 PCT/JP2015/072374 JP2015072374W WO2016024521A1 WO 2016024521 A1 WO2016024521 A1 WO 2016024521A1 JP 2015072374 W JP2015072374 W JP 2015072374W WO 2016024521 A1 WO2016024521 A1 WO 2016024521A1
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- WO
- WIPO (PCT)
- Prior art keywords
- ram air
- aircraft
- cooling
- heat
- flow path
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- 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
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20863—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D13/08—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned the air being heated or cooled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
-
- 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
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20881—Liquid coolant with phase change
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0614—Environmental Control Systems with subsystems for cooling avionics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/50—On board measures aiming to increase energy efficiency
Definitions
- the present disclosure relates to a cooling device that cools electronic equipment of an aircraft, and more particularly, to a cooling device that does not require an outside air introduction system specially prepared for cooling electronic equipment.
- transmission of all power was based on mechanical links in principle.
- the pilot moves the control stick, such movement is transmitted to the hydraulic system by a mechanical link, and the hydraulic system drives the aileron.
- a part of the power is taken out from the engine by the gear system and transmitted to the fuel pump to drive it.
- a power feeding system using a power semiconductor such as an insulated gate bipolar transistor (IGBT) is used.
- IGBT insulated gate bipolar transistor
- Such a power supply system converts AC power output from a generator coupled to an engine into DC power, supplies power to each device, stores surplus in a storage battery, and further stores a part of the DC power with a different voltage by an inverter. It converts to AC power and supplies power to each device. Since AC-DC conversion by a semiconductor with improved energy efficiency such as IGBT can be used, good power efficiency and good controllability are realized.
- Patent Documents 1 and 2 disclose a cooling system for equipment in an aircraft.
- the cooling problem is reduced, but another problem may occur. That is, the direct current is likely to cause a discharge, and once the discharge is generated, it is difficult to stop naturally, but the discharge is more likely to occur in the low-pressure atmosphere in the high sky.
- One solution to this problem is to reduce the DC voltage, but this significantly impairs the efficiency of the power supply system.
- the cooling device disclosed in the present application aims to solve these problems.
- a cooling device that cools an electronic device disposed in the pressurization chamber in an aircraft having a pressurization chamber and a ram air flow path includes a partition that separates the pressurization chamber and the ram air flow path, and heats the electronic equipment. And a heat exchanger exposed to the ram air flow path to dissipate heat to the ram air.
- a cooling device that cools electronic equipment without requiring a specially prepared outside air introduction system is provided.
- FIG. 1 is a schematic perspective view of an aircraft having a pressurizing chamber and a ram air flow path.
- FIG. 2 is a perspective view schematically showing an outside air introduction system and a ram air flow path for the pressurizing chamber.
- FIG. 3 is a schematic block diagram of the pressurizing chamber, the ram air flow path, and the cooling device.
- the cooling device is used to cool the power semiconductor of the power feeding system, but of course, such a cooling device can be used to cool other devices, for example, a control circuit.
- the aircraft 1 includes a fuselage 3 and a main wing 5.
- a certain part in the body 3 is a pressurizing chamber pressurized from the outside air.
- the aircraft 1 further includes an engine 7 suspended from each main wing 5.
- the engine 7 not only generates thrust, but also includes a generator 25 to generate AC power.
- the AC power is guided from the engine 7 to the electric chamber 9 in the pressurizing chamber via a power feeding path 27 passing through the main wing 5.
- the power supply system includes a converter that converts the AC power into DC power, and further includes an inverter that converts a part of the AC power into AC power. These converters and inverters are arranged in a pressurized electrical chamber 9. The converted DC power and the reconverted AC power are supplied to each device 31 via the in-machine wiring 29.
- the aircraft 1 includes a pressurization system to supply pressurized air to the pressurization chamber.
- the pressurizing system generally includes an inlet 23 opened at the lower portion of the body 3 and a compressor 33 communicating with the inlet 23.
- the compressor 33 pressurizes the outside air A sucked through the inlet 23 to a pressure close to the atmospheric pressure on the ground and supplies the pressurized air to the pressurizing chamber.
- the outside air can be at a considerably low temperature (for example, ⁇ 50 ° C.), but since the pressurization by the compressor 33 is adiabatic compression, the pressurized air can be rather at a high temperature (for example, 100 ° C.). Since such high-temperature air cannot be supplied to the pressurizing chamber as it is, the aircraft 1 includes a ram air flow path 13 for the purpose of cooling to a temperature comfortable for the occupant.
- the ram air flow path 13 includes a ram intake 17 that opens to the lower portion of the body 3, a heat exchanger 35 that communicates with the ram intake 17, and an exhaust port 19 that communicates with the ram intake 17 and opens to the lower portion of the body 3.
- the ram air Ar flows from the ram intake 17 into the ram air flow path 13, cools the pressurized air in the heat exchanger 35, and is discharged to the outside as the exhaust Ex 19 from the exhaust port 19.
- each device or element 11 of the power feeding system is disposed in the pressurized electrical chamber 9 and is in thermal contact with the heat conductor 21 for heat removal.
- thermal contact means having a close contact sufficient to reduce thermal resistance beyond mere structural contact and is based on such definitions throughout the specification and appended claims. used.
- adhesives such as thermal grease can be utilized to establish thermal contact.
- the electric chamber 9 and the ram air channel 13 are hermetically separated by one or more partition walls 15.
- the heat conductor 21 extends from the electric chamber 9 over the partition wall 15 to the ram air channel 13 and is exposed to the ram air channel 13.
- the tip of the heat conductor 21 has a structure that increases the surface area like a plurality of fins, and thus acts as a heat exchanger.
- the front end of the heat conductor 21 is exposed to the flow of the ram air Ar, thereby radiating the heat of each device or the element 11 to the ram air Ar.
- Each heat conductor 21 may be integrated from the inside of the electric chamber 9 to the ram air flow path 13 and may penetrate the partition wall 15 in an airtight manner. In such a configuration, the partition wall 15 may not contribute to heat exchange.
- Each heat conductor 21 may be an aggregate of a plurality of solids, but may be a single body. A single body is advantageous in reducing the thermal resistance.
- Each of the heat conductors 21 is made of a good heat conductive material such as aluminum, copper, silver, carbon (for example, graphite), or partially or entirely transmitted as a heat pipe in order to realize a sufficiently low heat resistance. It may be a thermal device.
- each heat conductor 21 does not have to penetrate the partition wall 15.
- the one on the electric chamber 9 side may be in thermal contact with the partition wall 15, and the one on the ram air flow path 13 side may also be in thermal contact with the partition wall 15 to conduct heat via the partition wall 15.
- the partition wall 15 constitutes a part of a heat transfer path from the device or the element 11 to the ram air flow path 13.
- a good heat conductive material such as aluminum, copper, silver, or carbon (for example, graphite) can be applied to the partition wall 15.
- the cooling device as described above dissipates the heat generated from each device or element 11 to the ram air Ar through the heat exchanger made of the heat conductor 21, beyond the partition wall 15 that separates the pressurizing chamber and the ram air flow path 13.
- Each device or element 11 is disposed in the pressurizing chamber, but the heat is quickly released from the pressurizing chamber to the outside, causing little increase in the temperature of each device or element 11 or the pressurizing chamber, or pressurizing. Does not affect the heat balance of the room.
- each device or element 11 since each device or element 11 is operated in pressurized air, it does not cause a discharge even when a relatively high voltage DC power is handled. Since the power supply system can use DC power having a relatively high voltage, good energy efficiency can be realized.
- Such a cooling device uses a ram air flow path normally provided in an aircraft, and does not require a special outside air introduction system. It does not restrict the use of the interior space of the aircraft, nor does it cause an increase in weight.
- a cooling device that cools electronic equipment without requiring a specially prepared outside air introduction system is provided.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims (3)
- 与圧室とラムエア流路とを有する航空機において前記与圧室内に配置された電子機器を冷却する冷却装置であって、
前記与圧室と前記ラムエア流路とを隔離する隔壁と、
前記電子機器に熱的に接し、ラムエアに放熱するべく前記ラムエア流路に露出した熱交換器と、
を備えた冷却装置。 - 請求項1の冷却装置であって、前記熱交換器は前記隔壁の前記与圧室側の面と前記隔壁の前記ラムエア流路側の面との両方に熱的に接し、以って前記熱交換器と前記隔壁とは前記電子機器の熱を前記ラムエア流路に伝達する熱伝達経路を構成する、冷却装置。
- 請求項1または2の冷却装置であって、前記熱交換器は、さらにヒートパイプを含む、冷却装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2954750A CA2954750C (en) | 2014-08-13 | 2015-08-06 | Cooling apparatus for cooling electronic device in aircraft |
EP15831480.7A EP3130543B1 (en) | 2014-08-13 | 2015-08-06 | Cooling apparatus for cooling electronic device in aircraft |
JP2016542552A JP6447630B2 (ja) | 2014-08-13 | 2015-08-06 | 航空機の電子機器を冷却する冷却装置 |
US15/288,468 US9999164B2 (en) | 2014-08-13 | 2016-10-07 | Cooling apparatus for cooling electronic device in aircraft |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014164792 | 2014-08-13 | ||
JP2014-164792 | 2014-08-13 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/288,468 Continuation US9999164B2 (en) | 2014-08-13 | 2016-10-07 | Cooling apparatus for cooling electronic device in aircraft |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016024521A1 true WO2016024521A1 (ja) | 2016-02-18 |
Family
ID=55304150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/072374 WO2016024521A1 (ja) | 2014-08-13 | 2015-08-06 | 航空機の電子機器を冷却する冷却装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9999164B2 (ja) |
EP (1) | EP3130543B1 (ja) |
JP (1) | JP6447630B2 (ja) |
CA (1) | CA2954750C (ja) |
WO (1) | WO2016024521A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118104407A (zh) * | 2021-09-30 | 2024-05-28 | 史密斯英特康公司 | 用于飞行器的外部安装电子设备的热管理系统和方法 |
US11697502B2 (en) * | 2021-11-17 | 2023-07-11 | Beta Air, Llc | Systems and methods for cooling a high voltage cable on an electric aircraft |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH01256775A (ja) * | 1988-04-04 | 1989-10-13 | Mitsubishi Electric Corp | ポツド冷却装置 |
JPH1144463A (ja) * | 1997-07-25 | 1999-02-16 | Shimadzu Corp | 航空機用空気調和装置 |
JP2004256051A (ja) * | 2003-02-27 | 2004-09-16 | Sumitomo Precision Prod Co Ltd | 航空機用液冷装置 |
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-
2015
- 2015-08-06 EP EP15831480.7A patent/EP3130543B1/en active Active
- 2015-08-06 CA CA2954750A patent/CA2954750C/en active Active
- 2015-08-06 JP JP2016542552A patent/JP6447630B2/ja active Active
- 2015-08-06 WO PCT/JP2015/072374 patent/WO2016024521A1/ja active Application Filing
-
2016
- 2016-10-07 US US15/288,468 patent/US9999164B2/en active Active
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JPH01256775A (ja) * | 1988-04-04 | 1989-10-13 | Mitsubishi Electric Corp | ポツド冷却装置 |
JPH1144463A (ja) * | 1997-07-25 | 1999-02-16 | Shimadzu Corp | 航空機用空気調和装置 |
JP2004256051A (ja) * | 2003-02-27 | 2004-09-16 | Sumitomo Precision Prod Co Ltd | 航空機用液冷装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3130543A1 (en) | 2017-02-15 |
US9999164B2 (en) | 2018-06-12 |
US20170027088A1 (en) | 2017-01-26 |
EP3130543A4 (en) | 2017-12-20 |
CA2954750C (en) | 2019-06-11 |
JPWO2016024521A1 (ja) | 2017-04-27 |
JP6447630B2 (ja) | 2019-01-09 |
CA2954750A1 (en) | 2016-02-18 |
EP3130543B1 (en) | 2020-10-07 |
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