CN106628191A - Mixing chamber applied to airplane environment control system - Google Patents
Mixing chamber applied to airplane environment control system Download PDFInfo
- Publication number
- CN106628191A CN106628191A CN201611161267.4A CN201611161267A CN106628191A CN 106628191 A CN106628191 A CN 106628191A CN 201611161267 A CN201611161267 A CN 201611161267A CN 106628191 A CN106628191 A CN 106628191A
- Authority
- CN
- China
- Prior art keywords
- mixing chamber
- control system
- environmental control
- mixing
- plane environmental
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000030279 gene silencing Effects 0.000 claims abstract description 32
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000007613 environmental effect Effects 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000004411 aluminium Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B64D2013/0625—Environmental Control Systems comprising means for distribution effusion of conditioned air in the cabin
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to airplane environment control systems, in particular to a mixing chamber applied to an airplane environment control system. Two silencing layers are arranged in the mixing chamber and are aluminum micro-perforated panels. According to the technical scheme, the mixing uniformity of gas temperatures in the mixing chamber of the airplane environment control system is made better, airflow noise in the mixing chamber can be effectively lowered, condensate water formed in the mixing chamber can be effectively drained, and thus the quality of air which comes out of the mixing chamber and is supplied to a cab and a passenger cabin is improved.
Description
Technical field
The present invention relates to plane environmental control system, more particularly to a kind of mixing for being applied to plane environmental control system
Room.
Background technology
, used as the vitals of airplane in transportation category environmental control system, it is by from the fresh air of air-conditioning assembly for mixing chamber
It is well mixed with the recirculation air from main cabin, sends into driving cabin, cabin zone, realizes the temperature adjustment in driving cabin, main cabin.
Because two strands of gas flow temperatures, pressure have differences, turbulent flow, whirlpool etc. are had in mixed process and obvious air force is formed
Property noise, and have condensed water to separate out.In addition, the noise meeting produced at turbine in the cooling assembly of environmental control system mixing chamber upstream
Significantly have influence on downstream, travel at mixing chamber with mixing chamber at itself produce noise be overlapped so that system mixing
Noise problem can not be ignored at room, need to control effectively, and mixing chamber downstream pipe secondary noise magnitude is relatively small, no
Needs do independent noise reduction process.
At present, the mixing chamber design on airplane in transportation category in environmental control system normally only can guarantee that gas flow temperature mixing is equal
Even performance, itself no noise-reducing design so that system pneumatic noise formed here can not be controlled in time, for little
Type passenger plane, arrangement space is limited, and noise at mixing chamber can be caused to become apparent from influence degree in cabin, or even can affect passenger cabin
Comfortableness.In addition, most of aircraft mixing chamber does not have drainage sunk well, there are indivedual aircrafts to have simple discharge outlet to arrange, but remove
, can there are bacteria growth problems caused by mixing chamber internal cause condensed water is present in water less effective, if being mixed air-flow takes seat to
Cabin can then affect air quality in cabin.
The content of the invention
The purpose of the present invention：A kind of mixing for being applied to plane environmental control system with noise reduction drain function is provided
Room.
Technical scheme：A kind of mixing chamber for being applied to plane environmental control system, it is characterized by：Described is mixed
Close interior and be provided with two-layer noise reduction layer, described noise reduction layer is aluminum microperforated panel.
Preferably, described mixing chamber includes premixing pipeline and mixing chamber body, premixing pipeline and import and mixes
Room body connection, is provided with spoiler in premixing pipeline, and spoiler is divided into two parts by pipeline is pre-mixed.
Preferably, flow-disturbing plate thickness is 1-2mm.
Preferably, described spoiler and mixing chamber are aluminum material.
Preferably, the bottom of mixing chamber is provided with discharge outlet.
Preferably, mix between chamber enclosure and outer layer silencing plate and be spaced 10mm, between outer layer silencing plate and internal layer silencing plate
Interval 20mm.
Preferably, opening diameter is Φ 0.8mm on aluminum microperforated panel, and outer layer and internal layer silencing plate punching rate are respectively
2% and 5%, silencing plate thickness is 0.8mm.
Preferably, perforate is distributed as wrong row and is evenly arranged.
Beneficial effects of the present invention：The technical program causes to mix indoor gas temperature mixing in plane environmental control system
Uniformity more preferably, can effectively reduce mixing indoor air flow noise, and can effectively exclude the condensed water for mixing indoor formation,
So that the air quality for being out supplied to driving cabin and main cabin from mixing chamber gets a promotion.
Description of the drawings
Fig. 1 mixing chamber structural representations
Fig. 2 a premixing pipeline composition top views
Fig. 2 b premixing pipeline composition side views
The schematic shapes of Fig. 3 spoilers 8
Fig. 4 a mixing chambers body constitutes top view
Fig. 4 b mixing chambers body constitutes side view
Fig. 5 metal supporting form schematic diagrames
Micropunch distribution schematic diagram on Fig. 6 silencing plates
Fig. 7 mixing chamber body inducer silencing plates tapping seals aluminium sheet
Fig. 8 mixing chamber body driving cabin air supply outlet section silencing plates tapping seals aluminium sheet
Specific embodiment
Limited according to arrangement space on air distribution principle in plane environmental control system and aircraft etc., usual mixing chamber knot
Configuration formula is imported and exported facilities etc. and can be had differences.Generally, mixing chamber exemplary functions are imported and exported should make including two
Cold air supply inlet, two recycling air supply inlets, cabin air supply outlets, what is had also includes that ground ventilation entrance, emergency ventilation enter
Mouthful.Now by taking a kind of mixing chamber comprising exemplary functions interface as an example, technical scheme explanation is carried out, but the technology of the present invention is not limited to
This mixing chamber version for showing：
As shown in figure 1, under due to being arranged in floor, arrangement space is limited, and takes into account maintainability consideration, the present invention is carried
Mixing cell structure by being pre-mixed pipeline 1 and the two parts of mixing chamber body 2 are constituted, the spatial constructional dimensions of the two are mainly having
It is determined beneficial to temperature mixing uniformity.Premixing pipeline 1 and mixing chamber body 2 are carried out with ring flange by way of being spirally connected
Connection, bolt, nuts and washers component do not show in figure, and centre is sealed with sealing gasket 3, except sealing gasket adopts elastomeric material
Outward, other all structural materials are aluminium.Premixing pipeline 1 and the specific constructive form of mixing chamber body 2 are as follows：
As shown in Fig. 2 a, Fig. 2 b, pipeline is pre-mixed by the aluminium sheet composition that thickness is 1～2mm, be the full symmetric knot in left and right
Structure, comprising left recycling air supply inlet 4, right recycling air supply inlet 5, left refrigeration air supply inlet 6, right refrigeration air supply inlet 7, uses
In the outlet 9 being connected with mixing chamber body import, the spoiler 8 that one thickness of setting in pipeline is 1～2mm, shape are being pre-mixed
Shape by premixing pipeline as shown in figure 3, be divided into two parts, spoiler welds together with premixing pipeline, by two sidewinds
Separate completely, to converging again into mixing chamber body entrance.Show that the premixing pipeline can make through simulation calculation
After four road air-flow mixing reach the good effect that is pre-mixed, and air-flow through being pre-mixed pipeline, flow field becomes comparison rule,
Present the trend of relative spoiler near symmetrical distribution.
As shown in Fig. 4 a, Fig. 4 b, mixing chamber body is imported and exported and included：The import docked with pre-mix tube way outlet 9
10th, left main cabin air supply outlet 11, right main cabin air supply outlet 12, driving cabin air supply outlet 13, the discharge outlet 14 with catchment recess.It is mixed
Close room and originally also include two layers of porous plates silencing plate 15 and 16 in vivo, be spaced between mixing chamber enclosure and outer layer silencing plate 16
10mm, between outer layer silencing plate 16 and internal layer silencing plate 15 20mm is spaced, and is to ensure structural strength, can be in outer layer silencing plate 16
Support with mixing between chamber enclosure, metal being respectively provided between two-layer silencing plate, structure and arrangement form refer to as shown in Figure 5
Semi-shaped metal supports 19,20, and metal is supported and can fixed using spot welding with two-end structure.Concrete metal supporting form, quantity
Determined by requirement of strength design with position, to meet each Rotating fields requirement of strength design, and ensure each structure surface intensity and disappear
Air layer thickness is uniform between sound layer.
Above-mentioned mixing chamber body housing is the aluminium sheet of thickness 0.8mm, is disappeared using 1.5mm thick aluminium sheet, two-layer silencing plate
Opening diameter is Φ 0.8mm on sound layer, and outer layer and internal layer silencing plate punching rate are respectively 2% and 5%, and it is equal that perforate is distributed as wrong row
Even arrangement, as shown in Figure 6.The noise-cancelling theory of the present invention mainly uses mixing indoor air flow in micropunch on double-deck silencing plate
Friction loss acoustic energy is converted into what heat energy was eliminated the noise.When the chamber depth for selecting different punching rates different with thickness of slab, so that it may
To control the spectral performance of silencer so as to obtain good soundproof effect in the frequency range for needing.Therefore, above-mentioned noise elimination
Thickness degree, between punching rate, and silencing plate, silencing plate with to mix the parameters such as gap between chamber enclosure only for reference,
With according to the actual design of different aircrafts require or limit, such as noise reduction require, arrangement space, carry out accommodation.
It should be noted that：In mixing chamber body each import and export bilayer silencing plate tapping, i.e., double-deck silencing plate it
Between and outer layer silencing plate and the aluminium sheet for mixing end face thickness 1mm between chamber enclosure, described aluminium sheet is the face of cylinder or polygon
Shape anchor ring, anchor ring, are blocked to prevent gas channelling, wherein：What is blocked using face of cylinder form is that left main cabin supplies
At gas outlet 11 and right main cabin air supply outlet 12, directly with two export pipelines connect integral respectively, such as the local in Fig. 4 a
Cut away view A；And be that corresponding annuli arrangement is such as at two at import 10 and driving cabin air supply outlet 13 using what anchor ring form was blocked
Middle polygonal ring shape sealing plate 17 shown in Fig. 7 and Fig. 8 and circular sealing plate 18.Note ensure each closure at air-flow it is effective
Circulation area, it is to avoid form air velocity mutation in import and export, air vibration is produced, so as to ensure good soundproof effect.
Additionally, in mixing chamber bottom, be advisable with occupy-place minimum point on relative aircraft, the discharge outlet with catchment recess of setting
5, its latus rectum is to separate out situation is calculated and gas leakage figureofmerit is limited etc. according to condensed water after mixing indoor air flow heat of mixing balance
It is comprehensive to determine, it is impossible to arbitrarily to expand, can otherwise cause gas leakage rate at discharge outlet at mixing chamber excessive, waste aircraft environment
Control system source of the gas, can also affect silencing plate soundproof effect.
The present invention eliminating water principle be：Cavity between discharge outlet 5 with catchment recess and above-mentioned silencing plate 15 and 16 is comprehensive
Under cooperation is used, the effectively aggregation such as free water that the condensed water that formed and inlet air flow are carried when mixing can mixing chamber interior air-flow
In groove below mixing chamber, then discharged by discharge outlet 5, be conducive to mixing chamber structural anticorrosion to lose, and avoid bacteria breed
Mixing chamber air supply outlet air quality is affected, is conducive to extending mixing chamber service life, especially made under high temperature, high humidity external environment
Used time, this advantage was more notable.
Above-mentioned all import and export latus rectums in addition to discharge outlet 5 will to air distribution manifold interior air-flow speed according to navigation mark
Ask and each rate of discharge demand is configured, import and export and be not limited to flange disk-form with upstream and downstream pipeline connecting mode, can be with
Determination is considered according to the aspect such as arrangement space on aircraft and environmental control system principle, economy, such as selects convex-concave to connect
Head+clip form.
In addition, the small perforate on above-mentioned double-deck silencing plate causes the jet that air-flow here is formed to also help mixing chamber sheet
In vivo gas flow temperature is well mixed and air-flow moisture is separated out.In order to promote eliminating water and protection mixing doors structure, can be mixed
Close room body housing inwall, silencing plate surfaces externally and internally and apply a floor waterproof coating.
Mixing chamber designing technique of the present invention shows adopted structure through temperature homogeneity test and noise testing test
Form can be good at meeting temperature mixing uniformity requirement, and noise reduction substantially, and can effectively discharge the indoor shape of mixing
Into condensed water.Further, since carry out noise reduction in the indoor setting noise reduction layer of mixing, it is to avoid in air distribution system other positions
Individually increase muffler, both saved arrangement space, system loss of weight is conducive to again.
Claims (8)
1. a kind of mixing chamber for being applied to plane environmental control system, it is characterized by：Described mixing interior is provided with two-layer and disappears
Sound-absorbing layer, described noise reduction layer is aluminum microperforated panel.
2. a kind of mixing chamber for being applied to plane environmental control system according to claim 1, it is characterized by：Described is mixed
Closing room includes premixing pipeline and mixing chamber body, and premixing pipeline is connected with import and mixing chamber body, in premixing pipeline
Spoiler is inside provided with, spoiler is divided into two parts by pipeline is pre-mixed.
3. a kind of mixing chamber for being applied to plane environmental control system according to claim 2, it is characterized by：Flow-disturbing thickness of slab
Spend for 1-2mm.
4. a kind of mixing chamber for being applied to plane environmental control system according to claim 2, it is characterized by：Described disturbs
Stream plate and mixing chamber are aluminum material.
5. a kind of mixing chamber for being applied to plane environmental control system according to claim 1, it is characterized by：In mixing chamber
Bottom be provided with discharge outlet.
6. a kind of mixing chamber for being applied to plane environmental control system according to claim 1, it is characterized by：Mixing is outdoor
10mm is spaced between shell and outer layer silencing plate, between outer layer silencing plate and internal layer silencing plate 20mm is spaced.
7. a kind of mixing chamber for being applied to plane environmental control system according to claim 1, it is characterized by：Aluminum is micro- to be worn
Opening diameter is Φ 0.8mm on orifice plate, and outer layer and internal layer silencing plate punching rate are respectively 2% and 5%, and silencing plate thickness is
0.8mm。
8. a kind of mixing chamber for being applied to plane environmental control system according to claim 7, it is characterized by：Perforate is distributed
It is evenly arranged for wrong row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161267.4A CN106628191A (en) | 2016-12-15 | 2016-12-15 | Mixing chamber applied to airplane environment control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161267.4A CN106628191A (en) | 2016-12-15 | 2016-12-15 | Mixing chamber applied to airplane environment control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106628191A true CN106628191A (en) | 2017-05-10 |
Family
ID=58823697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611161267.4A Pending CN106628191A (en) | 2016-12-15 | 2016-12-15 | Mixing chamber applied to airplane environment control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106628191A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455695A (en) * | 2020-12-14 | 2021-03-09 | 珠海格力电器股份有限公司 | Air guide pipe, air conditioning system and aircraft |
| CN112623230A (en) * | 2020-12-29 | 2021-04-09 | 中国航空工业集团公司西安飞机设计研究所 | Energy-saving silencing and dewatering mixing cavity |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1407966A1 (en) * | 2002-10-10 | 2004-04-14 | Liebherr-Aerospace Lindenberg GmbH | Condenser |
| CN102360183A (en) * | 2011-09-14 | 2012-02-22 | 中国航空工业集团公司西安飞机设计研究所 | Refrigeration heating system semi-physical simulation experimental method |
| CN203189946U (en) * | 2013-02-01 | 2013-09-11 | 中国航空工业集团公司西安飞机设计研究所 | Pipeline silencer based on ultra-micro perforated plate |
| CN104417757A (en) * | 2013-08-27 | 2015-03-18 | 波音公司 | Air diffuser systems, methods, and apparatuses |
| CN205168918U (en) * | 2015-09-11 | 2016-04-20 | 中国商用飞机有限责任公司 | Air mixing device for aircraft air conditioning system |
| CN105620759A (en) * | 2014-10-31 | 2016-06-01 | 中国航空工业集团公司西安飞机设计研究所 | Mixed flow device for cold air and hot air |
| EP3088303A1 (en) * | 2015-05-01 | 2016-11-02 | The Boeing Company | Apparatus for integrated noise control and flow control in an aircraft environmental control system |
-
2016
- 2016-12-15 CN CN201611161267.4A patent/CN106628191A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1407966A1 (en) * | 2002-10-10 | 2004-04-14 | Liebherr-Aerospace Lindenberg GmbH | Condenser |
| CN102360183A (en) * | 2011-09-14 | 2012-02-22 | 中国航空工业集团公司西安飞机设计研究所 | Refrigeration heating system semi-physical simulation experimental method |
| CN203189946U (en) * | 2013-02-01 | 2013-09-11 | 中国航空工业集团公司西安飞机设计研究所 | Pipeline silencer based on ultra-micro perforated plate |
| CN104417757A (en) * | 2013-08-27 | 2015-03-18 | 波音公司 | Air diffuser systems, methods, and apparatuses |
| CN105620759A (en) * | 2014-10-31 | 2016-06-01 | 中国航空工业集团公司西安飞机设计研究所 | Mixed flow device for cold air and hot air |
| EP3088303A1 (en) * | 2015-05-01 | 2016-11-02 | The Boeing Company | Apparatus for integrated noise control and flow control in an aircraft environmental control system |
| US20160318614A1 (en) * | 2015-05-01 | 2016-11-03 | The Boeing Company | Methods and apparatuses for integrated noise control and flow control in an aircraft environmental control system |
| CN205168918U (en) * | 2015-09-11 | 2016-04-20 | 中国商用飞机有限责任公司 | Air mixing device for aircraft air conditioning system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455695A (en) * | 2020-12-14 | 2021-03-09 | 珠海格力电器股份有限公司 | Air guide pipe, air conditioning system and aircraft |
| CN112623230A (en) * | 2020-12-29 | 2021-04-09 | 中国航空工业集团公司西安飞机设计研究所 | Energy-saving silencing and dewatering mixing cavity |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |