CN110498047A - Forecooler end socket, forecooler and environmental control system - Google Patents
Forecooler end socket, forecooler and environmental control system Download PDFInfo
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- CN110498047A CN110498047A CN201910707826.4A CN201910707826A CN110498047A CN 110498047 A CN110498047 A CN 110498047A CN 201910707826 A CN201910707826 A CN 201910707826A CN 110498047 A CN110498047 A CN 110498047A
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- Prior art keywords
- forecooler
- end socket
- outlet
- shell
- gas
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
- F28F11/02—Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention provides a kind of forecooler end socket, the forecooler with the forecooler end socket and the environmental control system with the forecooler.Forecooler end socket is mounted on the forecooler exit for cooling down to the high-temperature gas attracted from upstream equipment, and including shell and is arranged in the intracorporal fan of shell.Shell has arrival end and outlet end, and wherein arrival end is configured to be connected with the main body of forecooler, and outlet end is configured to be connected with the downstream line of forecooler；Fan includes the centrifugal blades of multiple fixed settings, and rotation type air current is capable of forming when gas flows through fan.Provided forecooler end socket, forecooler and environmental control system according to the present invention, it can be mixed by Quick uniform when thermal current is discharged from forecooler, the temperature sensor in forecooler downstream is made accurately to sense the temperature of air-flow under the premise of not taking up extra space, increasing the weight in forecooler exit.
Description
Technical field
The present invention relates to aircraft and aircraft maintenance manufacturing field, more particularly to a kind of forecooler end socket including
The forecooler of the forecooler end socket and environmental control system including the forecooler.
Background technique
In the composition system of aircraft, plane environmental control system is carry as important one of airborne system as machine
Upper personnel provide the task of comfort air environment, by controlling temperature, humidity, flow velocity, the pressure and other parameters of air in cabin,
Existence comfortable enough and working environment are provided to crew and passenger.The most important gas source of environmental control system from
The bleed of aircraft engine, the high temperature compressed gas drawn from engine need to be adjusted to suitable temperature value by forecooler cooling
After could feed upstream device, with guarantee downstream air-conditioning system, wing and engine anti-icing system etc. use gas demand.Forecooler
It is usually made of main part and end socket, main part is used for gas heat exchange, and end socket is led for transition main part and high pressure
The connection of pipe.Temperature sensor usually is installed in its outlet of hot side downstream and carrys out closed-loop control outlet temperature.
With the continuous promotion of engine technology, bleed temperature is also risen with it, the forecooler that current civil aircraft uses
Generally cross flow heat exchanger, Exit temperature distribution and its uneven, outlet temperature can be distributed between 100~400 DEG C,
This brings adverse effect to the measurement of outlet mean temperature.
The method for currently solving the problems, such as this mainly has following three classes, is described in detail below to it:
1, the temperature sensor for being arranged in forecooler downstream is exported far from forecooler, is measured again after gas mixing is uniform flat
Equal temperature, the program are more accurate for the measurement of temperature, but, the thus manufacturing more demanding for the arrangement of downstream pipe
Higher cost；
2, multiple temperature sensors are arranged in forecooler outlet, it is taken to measure average value as Outlet Temperature value, the program
It is higher for the space requirement of forecooler outlet, need to ensure there are the multiple sensors of enough space layouts, and multiple sensings are set
Device will increase weight；
3, CFD flow field simulation is combined by ground stand test, chooses and more approximately puts conduct with outlet mean temperature
The measurement point of Outlet Temperature value, the program need to carry out bench test, and making time is longer, and the point chosen can not meet simultaneously not
With the average temperature value under bleed flow, thus possible measured deviation is larger in different situations.
In addition, aircraft can face various bad weather conditions in use, ring also can be often found in the maintenance of aircraft
There are the contamination build-ups such as sand and dust inside control equipment, the valve movement mechanism abrasion which will lead to aircraft is accelerated, and equipment is reduced
Service life.
Accordingly, it is desirable to provide a kind of forecooler end socket, the forecooler including the forecooler end socket and including the forecooler
Environmental control system, at least partly to solve the above problems.
Summary of the invention
The main object of the present invention is to provide a kind of forecooler end socket, the forecooler with the forecooler end socket and have should
The environmental control system of forecooler, with when thermal current is discharged from forecooler can Quick uniform mixing, be temperature sensor
Arrangement provides convenience, makes under forecooler under the premise of not taking up extra space, not increasing the weight in forecooler exit
The temperature sensor of trip accurately senses the temperature of air-flow, so that the outlet temperature of hot gas is accurately adjusted according to sensing result,
Gas demand is used with meet downstream air-conditioning and the systems such as anti-icing.
One aspect of the present invention provides a kind of forecooler end socket for being mounted in forecooler outlet, and the forecooler is used for
Cool down to the high-temperature gas attracted from upstream equipment, the forecooler end socket includes:
Shell with arrival end and outlet end, wherein the arrival end is configured to the main body phase with the forecooler
Even, the outlet end is configured to be connected with the downstream line of the forecooler；
It is arranged in the intracorporal fan of the shell, the fan includes the centrifugal blades of multiple fixed settings, when gas stream
Through being capable of forming rotation type air current when the fan.
In one embodiment, the blade has the airflow design with radian, so that flowing through the gas of blade
Stream deflects.
In one embodiment, two blades of arbitrary neighborhood are intracorporal in the shell perpendicular to the gas
Projection on flow direction has the part of overlapping.
In one embodiment, the forecooler end socket further includes the blowdown area being arranged at the outlet end, described
Blowdown area is configured to so that the particulate matter in air-flow is got rid of by the fan to the blowdown area.
In one embodiment, the blowdown area includes the inner sidewall of shell and is arranged at the outlet end of the shell
And the first barrier extended along the direction perpendicular to the inner sidewall to the case inside.
In one embodiment, the blowdown area further includes from first barrier far from the case inside wall
One end towards the shell arrival end extend the second barrier.
In one embodiment, the blowdown area is provided with the sewage draining exit on the housing wall, the blowdown area
Interior particle can slide into the sewage draining exit under the action of gravity and air pressure and be discharged via the sewage draining exit.
In one embodiment, in the plane perpendicular to the intracorporal gas flow direction of the shell, arbitrary neighborhood
There are gaps between two blades, and the size in the gap can be determined according to the size of the particle of required filtering.
In one embodiment, in the plane perpendicular to the intracorporal gas flow direction of the shell, the multiple leaf
The area of section of the gross area of the projection of piece and the gas passage is adapted.
In one embodiment, the shape and size of each blade are identical, and the multiple blade is around described
Fan center equably arranges.
In one embodiment, the fan is mounted at the intracorporal close front position of the shell.
According to another aspect of the present invention, a kind of forecooler is provided, for the high-temperature gas attracted from upstream equipment
Cool down, the forecooler includes:
Forecooler main body, the forecooler main body is for carrying out gas heat exchange and including hot side entrance, outlet of hot side, cold
Side entrance and outlet of cold side；With
According to forecooler end socket described in above-mentioned any one scheme, the forecooler end socket is mounted on the forecooler master
At the outlet of hot side of body,
Wherein, the forecooler is configured such that the hot gas being discharged from the engine enters via the hot side entrance
The forecooler main body simultaneously mixes in the forecooler main body with the cold air being discharged into via the cold edge inlet, and via described
The forecooler is discharged from the outlet of hot side in forecooler end socket.
In one embodiment, the forecooler further includes being connected between the engine and the forecooler main body
Entrance end socket.
According to a further aspect of the invention, a kind of environmental control system for aircraft is provided, comprising:
The forecooler according to any of above-mentioned two scheme；
Temperature sensor, the temperature sensor are arranged at the outlet of hot side downstream of the forecooler and are configured to feel
Survey the gas flow temperature at this；With
Control device, the control device are configured to connect with the temperature sensor communication and can be according to described
The sensing result of temperature sensor controls the forecooler.
In one embodiment, air intake valve, and the control device are provided at the cold edge inlet of forecooler main body
It is configured to control the aperture of the air intake valve according to the sensing result.
Provided forecooler end socket, forecooler and environmental control system according to the present invention, enable to gas passing through
By convenient, fast and efficiently uniformly mixing when the centrifugal fan of fixed setting, in order to which the temperature in forecooler downstream is arranged in
Sensor can accurately sense the temperature of thermal current, so that the outlet temperature of hot gas is accurately adjusted according to sensing result, with
Meet downstream air-conditioning and the systems such as anti-icing uses gas demand.And such setting is easily achieved, cost is relatively low, will not be occupied additional
Space, the weight in forecooler exit will not be increased.Meanwhile the present invention can also filter out the particulate matter in gas, subtract
A possibility that small pollutant enters upstream device and causes failure.
Detailed description of the invention
Above-mentioned and other purposes, feature, advantage and function for a better understanding of the present invention, can be with reference to institute in attached drawing
The preferred embodiment shown.Identical appended drawing reference refers to identical component in attached drawing.It should be appreciated by those skilled in the art that attached
Figure is intended to schematically illustrate the preferred embodiment of the present invention, does not have an any restrictions effect to the scope of the present invention, each in figure
A component is not necessarily drawn to scale.
Fig. 1 is the perspective diagram of the forecooler of a preferred embodiment according to the present invention；
Fig. 2 is the schematic diagram of the fan in the outlet head of the forecooler in Fig. 1；
Fig. 3 is the schematic diagram of the blade of the fan in Fig. 2；
Fig. 4 is the overhead sectional view of the outlet head of the forecooler in Fig. 1；
Fig. 5 is the schematic diagram of the forecooler and pipeline downstream in present embodiment.
Specific embodiment
Referring now to the drawings, it describes the specific embodiments of the present invention in detail.As described herein is only according to this hair
Bright preferred embodiment, those skilled in the art can expect can be realized this hair on the basis of the preferred embodiment
Bright other modes, the other modes equally fall into the scope of the present invention.
In a kind of preferred embodiment of the invention, a kind of forecooler end socket in aircraft is provided including should
The forecooler 1 of forecooler end socket and environmental control system including the forecooler 1.
Specifically, forecooler 1 is used for the high-temperature gas cooling attracted from upstream equipment (such as engine).Such as Fig. 1 institute
Show, forecooler 1 includes forecooler main body 2, is provided with hot side entrance 21, outlet of hot side 22, cold edge inlet 23 in forecooler main body 2
With outlet of cold side 24, outlet of hot side 22 is for receiving the hot gas from upstream equipment, and hot gas is in forecooler main body 2 and via cold
The cold air mixing that side entrance 23 and outlet of cold side 24 pass in and out is discharged to cool down by outlet of hot side 22.Wherein, the flowing of cold air
Direction is shown in Fig. 1 by broad arrow, and the flow direction of hot gas is shown by the thin arrow for indicating D1.
Forecooler main body 2 is connected by entrance end socket 4 and outlet head 3 with the pressure piping of its upstream and downstream respectively, at this
In invention, term " forecooler end socket " refers in particular to the outlet head 3 of forecooler 1.
Referring to figs. 2 to Fig. 4, the outlet head 3 of forecooler 1 includes having arrival end and the shell of outlet end 32 and setting
Fan 31 in shell 32.The arrival end of shell 32 is connected with forecooler main body 2, outlet end and the forecooler 1 of shell 32
Downstream line 6 is connected, in this way, just foring the channel of supplied gas circulation in shell 32.Fan 31 includes multiple fixed settings
Centrifugal blades 311, all blades 311 are substantially arranged in the plane perpendicular to total gas flow direction D1, so that
Gas is capable of forming rotation type air current when flowing through fan 31.It is flowed it should be noted that each blade 311 has along total gas
Direction D1 is recessed or arc (will be described later) outstanding, thus each blade 311 is not planar structure, so not
It is entirely located in the plane perpendicular to total gas flow direction D1.
In the present embodiment, setting has the fan for fixing centrifugal blades 311 in the outlet head 3 of forecooler 1
31, convenient, fast and efficiently thermal current uniformly can be mixed, in order to which the temperature sensor 5 in 1 downstream of forecooler is arranged in
The temperature of thermal current can accurately be sensed.
Preferably, it can see from Fig. 2 and Fig. 3, blade 311 has recessed or prominent along total gas flow direction D1
Radian, i.e. blade 311 is formed as the airflow design with radian, and multiple air flows have radian each blade 311
Position at deflect, just form total rotation type air current in this way.It should be noted that the present invention be previously mentioned it is " total
Gas flow direction " refer to the direction D1 as shown in figs. 1 and 4, being different from can deflect at blade 311
Air flows flow direction.
It is highly preferred that on total gas flow direction D1, two blades 311 of arbitrary neighborhood are in its adjoining with reference to Fig. 3
Locate to have and projects overlapped part 311a and 311b.Such setting is so that gas when flowing through herein, need to pass through projection
Gap between the part 311a and 311b of overlapping can just pass through, it is thus possible to further air-flow be deflected.
If being appreciated that, two blades 311 adjacent on total gas flow direction D1 do not have overlapped part,
Two i.e. adjacent blades 311 in the graphic memory perpendicular to total gas flow direction D1 in gap, then a part of air-flow
Can be along total gas flow direction D1 and directly by the gap, just there is no deflections for this fraction, are unfavorable for
The mixing of air-flow.And the setting of present embodiment then can be avoided the generation of such case.Also, present embodiment this set
Mode can also play barrier effect to the particulate matter with arbitrary diameter, and particulate matter can be got rid of by blade 311 to blowdown area 35
(will be described later).
Certainly, in other unshowned embodiments, two adjacent blades are perpendicular to total gas flow direction
Plane in may exist small gap so that part have small diameter particle pass through from the gap.Further, may be used
To adjust the gap between adjacent blade according to the diameter of the particulate matter of required filtering.
On the other hand, in the present embodiment, on the plane perpendicular to gas flow direction D1, all blades 311
The area of section for projecting the gross area and gas passage is adapted, so that all leaves on the plane perpendicular to gas flow direction D1
The gross area of piece 311 reaches maximum value, and such setting can be more efficiently by gas mixing.Also, each blade 311
Shape and size are roughly the same, and each blade 311 is arranged to uniformly around 31 center of fan, and such setting can make
It is roughly the same to obtain deflection angle of the branch of each air-flow at each blade 311, so as to form uniform rotary gas
Stream.For example, in the present embodiment, blade 311 is six generally fan-shaped structures, the center line of two adjacent blades 311
Substantially 60 ° of angle between (center line is the line for connecting the center of arc of central point and sector).
Preferably, the upstream position in shell 32 is arranged in along total gas flow direction D1 in fan 31, that is, is located at shell
At close front position in body 32.Such setting can make gas be sufficiently mixed once entering the realization of outlet head 3.
Further, with reference to Fig. 4, outlet head 3 further includes the blowdown area 35 being arranged at its outlet end.Blowdown area 35 with
The distance between fan 31 is set so that the particulate matter in air-flow can be got rid of by fan 31 to blowdown area 35.Due to blowdown area
35 are understood as the sliding groove around the outlet end of outlet head 3, and the particulate matter of any position is ok in blowdown area 35
The bottom in blowdown area 35 is slid into along the sliding groove under the action of gravity and gas pressure.It is highly preferred that blowdown area 35
The sewage draining exit 36 on shell 32 can be set, the particulate matter slided into herein can be discharged by sewage draining exit 36.
With continued reference to Fig. 4, it can be seen that the inner sidewall of shell 32 is provided with along perpendicular to total gas stream at outlet end
The first barrier 33 for moving direction D1 and inwardly extending (i.e. towards the axis of gas passage), the presence of the first barrier 33
To stop to be got rid of to particulate matter herein, thus the first barrier 33 and shell 32 just collectively define one more simply in fact
Blowdown area 35.Certainly, it is highly preferred that one can also be arranged along total in one end of the separate shell 32 of the first barrier 33
The second barrier 34 that gas flow direction D1 opposite direction (i.e. towards the arrival end of outlet head 3) extends, shell 32, the
One barrier 33 and the second barrier 34 collectively define the blowdown area 35 in present embodiment.In other words, shell 32 is going out
There is one section of annular wall back bent, thus an annular bag shaped structure formed here, the bag shaped structure at mouthful end
As blowdown area 35.
On the other hand present embodiment additionally provides a kind of environmental control system comprising above-mentioned forecooler 1.The environment control
System processed further includes temperature sensor 5 and control device (not shown).The lower exit of forecooler 1 is arranged in temperature sensor 5
Place is simultaneously configured to sense the gas flow temperature at this.For example, as shown in figure 5, temperature sensor 5 may be mounted at forecooler 1
In downstream line 6.
Control device communicatedly connect with temperature sensor 5 and can be according to the sensing result of temperature sensor 5 and to pre-
Cooler 1 is controlled, specifically the speed that the cold air of control forecooler main body 2 is discharged into.For example, the cold side of forecooler main body 2
Air intake valve can be set at entrance 23, when temperature sensor 5 sense gas flow temperature it is higher when, control device can be according to sense
It surveys result control and increases the aperture of air intake valve to accelerate the speed that cold air is discharged into；When temperature sensor 5 senses gas flow temperature
When relatively low, control device can turn the aperture of air intake valve down according to sensing result and suitably.
Provided forecooler end socket, forecooler and environmental control system according to the present invention, enable to gas passing through
By convenient, fast and efficiently uniformly mixing when the centrifugal fan of fixed setting, in order to which the temperature in forecooler downstream is arranged in
Sensor can accurately sense the temperature of thermal current, so that the outlet temperature of hot gas is accurately adjusted according to sensing result, with
Meet downstream air-conditioning and the systems such as anti-icing uses gas demand.Such setting is easily achieved, cost is relatively low, is reduced to downstream tube
The requirement of road and number of sensors, the weight that additional space will not be occupied, forecooler exit will not be increased.Meanwhile this
Invention can also filter out the particulate matter in gas, reduce a possibility that pollutant enters upstream device and causes failure.
The above description of numerous embodiments of the invention is supplied to one of related fields commonly for purposes of illustration
Technical staff.It is not intended to the present invention is exclusive or is confined to single disclosed embodiment.As described above, the field of above teaching
In those of ordinary skill be readily apparent that a variety of substitutions and modification of the invention.Therefore, implement although some substitutions have been described in detail
Mode, those of ordinary skill in the art are readily apparent that or relatively easily develop other embodiments.The present invention is intended to include here
All substitutions, remodeling and the modification of the invention of description, and fall into its in the spirit and scope of invention as described above
His embodiment.
Component reference signs list:
Forecooler 1
Forecooler main body 2
Hot side entrance 21
Outlet of hot side 22
Cold edge inlet 23
Outlet of cold side 24
Entrance end socket 4
Outlet head 3
Fan 31
Blade 311
Shell 32
First barrier 33
Second barrier 34
Blowdown area 35
Sewage draining exit 36
Temperature sensor 5
Downstream line 6.
Claims (15)
1. a kind of forecooler end socket for being mounted in forecooler outlet, the forecooler is used for attracting from upstream equipment
High-temperature gas cools down, which is characterized in that the forecooler end socket includes:
Shell with arrival end and outlet end, wherein the arrival end is configured to be connected with the main body of the forecooler, institute
Outlet end is stated to be configured to be connected with the downstream line of the forecooler；
It is arranged in the intracorporal fan of the shell, the fan includes the centrifugal blades of multiple fixed settings, when gas flows through institute
Rotation type air current is capable of forming when stating fan.
2. forecooler end socket according to claim 1, which is characterized in that there is the blade streamlined with radian to set
Meter, so that the air-flow for flowing through blade deflects.
3. forecooler end socket according to claim 1, which is characterized in that two blades of arbitrary neighborhood perpendicular to
Projection of the gas on the intracorporal flow direction of the shell has the part of overlapping.
4. forecooler end socket according to claim 1, which is characterized in that the forecooler end socket further includes being arranged described
Blowdown area at outlet end, the blowdown area is configured to so that the particulate matter in air-flow is got rid of by the fan to the row
Dirty area.
5. forecooler end socket according to claim 4, which is characterized in that the blowdown area includes the inner sidewall of shell and sets
The first blocking set at the outlet end of the shell and extended along the direction perpendicular to the inner sidewall to the case inside
Wall.
6. forecooler end socket according to claim 5, which is characterized in that the blowdown area further includes stopping from described first
The second barrier that the arrival end of one end far from the case inside wall of wall towards the shell extends.
7. forecooler end socket according to any one of claims 4 to 6, which is characterized in that the blowdown area is provided with position
Sewage draining exit on the housing wall, the particle in the blowdown area can slide into the row under the action of gravity and air pressure
Dirty mouth is simultaneously discharged via the sewage draining exit.
8. forecooler end socket according to any one of claims 4 to 6, which is characterized in that in perpendicular to the shell
Gas flow direction plane in, there are gaps between two blades of arbitrary neighborhood, and can be according to required filtering
Particle size and determine the size in the gap.
9. forecooler end socket according to claim 1, which is characterized in that perpendicular to the intracorporal gas flowing side of the shell
To plane on, the area of section of the gross area of the projection of the multiple blade and the gas passage is adapted.
10. forecooler end socket according to claim 1, which is characterized in that the shape and size of each blade are identical,
And the multiple blade is equably arranged around the fan center.
11. forecooler end socket according to claim 1, which is characterized in that the fan is mounted on that the shell is intracorporal to be leaned on
Nearby at end position.
12. a kind of forecooler, for cooling down to the high-temperature gas attracted from upstream equipment, which is characterized in that the pre-cooling
Device includes:
Forecooler main body, the forecooler main body for carry out gas heat exchange and including it is hot while entrance, outlet of hot side, it is cold while enter
Mouth and outlet of cold side；With
According to claim 1, forecooler end socket described in any one of -11, the forecooler end socket are mounted on the forecooler
At the outlet of hot side of main body,
Wherein, the forecooler is configured such that the hot gas being discharged from the engine via described in the hot side entrance entrance
Forecooler main body simultaneously mixes in the forecooler main body with the cold air being discharged into via the cold edge inlet, and via the pre-cooling
The forecooler is discharged from the outlet of hot side in device end socket.
13. forecooler according to claim 12, which is characterized in that the forecooler further includes being connected to the engine
Entrance end socket between the forecooler main body.
14. a kind of environmental control system for aircraft characterized by comprising
Forecooler according to claim 12 or 13；
Temperature sensor, the temperature sensor is arranged at the outlet of hot side downstream of the forecooler and is configured to sensing should
The gas flow temperature at place；With
Control device, the control device are configured to connect with the temperature sensor communication and can be according to the temperature
The sensing result of sensor controls the forecooler.
15. environmental control system according to claim 14, which is characterized in that be arranged at the cold edge inlet of forecooler main body
There is air intake valve, and the control device is configured to control opening for the air intake valve according to the sensing result
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707826.4A CN110498047B (en) | 2019-08-01 | 2019-08-01 | Precooler head, precooler and environment control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707826.4A CN110498047B (en) | 2019-08-01 | 2019-08-01 | Precooler head, precooler and environment control system |
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| Publication Number | Publication Date |
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| CN110498047A true CN110498047A (en) | 2019-11-26 |
| CN110498047B CN110498047B (en) | 2023-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104297A (en) * | 2021-11-19 | 2022-03-01 | 中国商用飞机有限责任公司 | Rotational flow mixing device for air source system heat exchanger |
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| GB695781A (en) * | 1946-12-03 | 1953-08-19 | Garrett Corp | Mechanism for conditioning air for enclosures |
| GB1089311A (en) * | 1965-12-02 | 1967-11-01 | United Aircraft Corp | Improvements in and relating to water separators |
| US20030188850A1 (en) * | 2002-04-09 | 2003-10-09 | Honeywell International Inc., | Tubular catalytic aircraft precooler |
| JP2012135737A (en) * | 2010-12-27 | 2012-07-19 | Shimadzu Corp | Static mixing mechanism |
| US20140298823A1 (en) * | 2013-04-03 | 2014-10-09 | Hamilton Sundstrand Corporation | Contamination free reverse flow fitting |
| US20180229586A1 (en) * | 2017-02-15 | 2018-08-16 | Hamilton Sundstrand Corporation | Inertial particle separator for air cycle machine |
| JP2018202364A (en) * | 2017-06-09 | 2018-12-27 | 三菱航空機株式会社 | Mixture promotion member and air conditioning system having the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104297A (en) * | 2021-11-19 | 2022-03-01 | 中国商用飞机有限责任公司 | Rotational flow mixing device for air source system heat exchanger |
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| CN110498047B (en) | 2023-01-06 |
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