CN110471475A - Humidity control system and the application method realized by it - Google Patents
Humidity control system and the application method realized by it Download PDFInfo
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- CN110471475A CN110471475A CN201910747044.3A CN201910747044A CN110471475A CN 110471475 A CN110471475 A CN 110471475A CN 201910747044 A CN201910747044 A CN 201910747044A CN 110471475 A CN110471475 A CN 110471475A
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- valve
- control system
- air passage
- humidity control
- trim air
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The present invention provides a kind of humidity control system and the application method by its realization.Humidity control system includes: the left bleed main line and right bleed main line of parallel setting, it is disposed with flow respectively along the flow direction of gas on left bleed main line and right bleed main line and surveys feedback device, flow control valve and air-conditioning assembly, left bleed main line and right bleed main line are surveyed between feedback device and flow control valve in flow respectively forms left trim air passage and right trim air passage, branch road valve different from each other is provided on left trim air passage and right trim air passage, trim air header road is formed after left trim air passage and the crosslinking of right trim air passage and gas is thus expelled to ventilating system.According to the present invention, the branch road valve being arranged on each trim air passage of humidity control system is different, thus can select the branch road valve that need to be opened according to different usage scenarios, so that different scene environments can be used in air handling system.
Description
Technical field
The present invention relates to passenger aircraft fields, and in particular to a kind of humidity control system and the application side by its realization
Method.
Background technique
In the passenger aircraft of such as aircraft, in order to allow passenger and crew awing to feel comfortably, need
Temperature adjusting is carried out to the air for entering pressure cabin.For example, the upper air temperature when passenger plane when meters altitude cruises, outside cabin
- 50 DEG C or so can be dropped to, aircraft will highly safe flight herein, it is necessary to guarantee that the temperature of aircraft cockpit is able to satisfy the need of passenger
It wants.In general, the cabin temperature control on passenger plane is mainly realized by air-conditioning assembly (for freezing) and trim air system jointly.
And wherein common trim air system is all the downstream bleed from flow control valve, common configuration is as depicted in figs. 1 and 2.
For humidity control system shown in FIG. 1, trim air system only has a pressure-regulating valve, and the pressure
Regulating valve is from the downstream bleed of first flow regulating valve；For humidity control system shown in Fig. 2, two trim air systems are each other
It is independent, and respectively from the downstream bleed of first flow regulating valve.
Two kinds of above-mentioned settings can generate following Railway Project:
If 1, air-conditioning assembly fail, by air-conditioning assembly feedback regulation flow control valve close, trim air system also without
Method work, can not be sent to cockpit for hot gas；
If 2, a pressure-regulating valve is only arranged in trim air system, when pressure-regulating valve failure, trim air system
System can not work, and hot gas can not be sent to cockpit；
If 3, two trim air systems are without crosslinking, when the failure of the trim air system of side, the side trim air system
It is just inputted without hot gas at the corresponding ventilating system of system, does not have advantage from function backup；
4, the aperture very little of pressure-regulating valve, so that it is smaller by the throughput of pressure-regulating valve in the unit time, and press
The purpose of main setting of force regulating valve is reduction pneumatic noise, thus in extreme circumstances, the use of pressure-regulating valve will lead to
Warm-up time extends, and influences the economy of airplane operation.
It is then desired to a kind of humidity control system and the application method by its realization be provided, at least being partially solved
State problem.
Summary of the invention
The main object of the present invention is to provide a kind of humidity control system and the application method by its realization.The temperature is adjusted
Different branch road valves is set on each trim air passage of system, is beaten needed for being selected according to specific scene environment
The branch road valve opened, thus it is suitable for a variety of different scene environments, and the trim air system in refrigeration system failure
Will not be impacted and hot gas can be still provided the pressure cabin of aircraft, thus under extreme conditions also can be in pressure cabin
Temperature environment plays guaranteeing role.
A kind of humidity control system of the invention, for being adjusted from left gas source and right gas source bleed and to gas to incite somebody to action
Gas after adjusting is emitted into ventilating system, and the ventilating system is by gas mixing and is expelled to pressure cabin, and the temperature is adjusted
System includes:
The left bleed main line and right bleed main line of parallel setting, the left bleed main line and right bleed supervisor
Road receives the gas from left gas source and right gas source respectively,
Wherein, it is disposed with stream respectively along the flow direction of gas on the left bleed main line and right bleed main line
Feedback device, flow control valve and air-conditioning assembly are measured,
The left bleed main line and right bleed main line survey feedback device and the flow control valve in the flow respectively
Between form left trim air passage and right trim air passage, the left trim air passage and the right trim air passage
On be respectively arranged with branch road valve different from each other be applied to different application scenarios, the left trim air passage and the right side are matched
Trim air header road is formed after flat air passage crosslinking and gas is thus expelled to the ventilating system.
In one embodiment, one in the left trim air passage and the right trim air passage is upper is arranged
The branch road valve be pressure-regulating valve, on another in the left trim air passage and the right trim air passage
The branch road valve being arranged is shut-off valve.
In one embodiment, feedback regulation of the pressure-regulating valve by component downstream.
In one embodiment, the humidity control system further includes controller, and the controller is configured to
The current application scene of the humidity control system is inputted and determined according to wheel load signal or according to user, and according to described current
Application scenarios and the valve in the controller downstream is controlled.
In one embodiment, the application scenarios include: that the aircraft is rest on the ground and nothing in the pressure cabin
The scene of passenger, the aircraft are located in high-altitude and the pressure cabin field of the scene for having passenger, pressure-regulating valve failure
Scape.
In one embodiment, the sensor includes pressure sensor and/or temperature sensor.
In one embodiment, the gas in the left bleed main line and the right bleed main line flows through the stream
Measure feedback device, the flow control valve and the air-conditioning assembly, thereafter let out the ventilating system, with the ventage
Gas mixing in system.
In one embodiment, the controller is configured to receive the sensing for surveying feedback device from the flow
Signal, and control to adjust based on the sensing signal aperture of the flow control valve.
In one embodiment, trim air header road includes matching the left trim air passage and the right side
The crosslinking section that flat branch summarizes and the multiple downstream legs being arranged in parallel between the crosslinking section and the ventilating system.
In one embodiment, downstream flow regulating valve is provided in downstream leg described in each.
Another aspect of the present invention additionally provides a kind of application method, the temperature as described in above-mentioned any one scheme
Regulating system is realized, to adjust the gas temperature in aircraft pressure cabin, wherein the humidity control system further includes controller, institute
Controller is stated to be configured to according to wheel load signal or inputted according to user and determine currently answering for the humidity control system
With scene, and the valve in the controller downstream is controlled, the application method packet according to the current application scene
Include following steps:
Controller judges that the current application scene of the humidity control system or the controller receive according to wheel load signal
The signal of the current application scene comprising the temperature controlling and regulating system of user's input；And
The controller controls valve downstream according to the current application scene.
In one embodiment, the upper bypass valve being arranged of one in Zuo Peiping air passage and right trim air passage
Door is pressure-regulating valve, the bypass valve being arranged on another in the left trim air passage and the right trim air passage
Door is shut-off valve.
In one embodiment, when the aircraft is rest on the ground and in the pressure cabin without passenger when, the control
Device opens the shut-off valve according to the current application scenery control, closes the pressure-regulating valve.
In one embodiment, when the aircraft, which is located at, has passenger in high-altitude and the pressure cabin, the controller
The pressure-regulating valve is opened according to the current application scenery control, closes the shut-off valve.
In one embodiment, when the pressure-regulating valve fails, the controller is according to the current application field
The shut-off valve is opened in scape control.
Humidity control system provided by the present invention and the application method realized by it include meeting multi-state operation item
Different structures and methods design under part, can be adapted for a variety of different scene environments.Specifically, trim air system has
There are at least two branches, each branch other branches in specific position presence crosslinking section, the valve invalidation of a branch road
It can still work；The branch road valve being arranged on each trim air passage is different, thus can be according to different usage scenarios
And the branch road valve that need to be opened is selected, so that different scene environments can be used in air handling system, such as needing
Add the air-flow in trim air system so as to quickly be discharged, shorten without pressure-regulating valve
The warm time；The branch of each trim air system summarizes at main pipe rail, from function backup with advantage；In refrigeration function
When can fail trim air system will not it is impacted and still can pressure cabin fast heating to aircraft, thus in extreme item
Under part can also guaranteeing role be played to the temperature environment in pressure cabin.Thus humidity control system provided by the present invention is more
A aspect all has relative to existing humidity control system and significantly improves, and can satisfy the different use demands of user.
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 and Fig. 2 is the schematic diagram of two kinds of existing humidity control systems；
Fig. 3 is according to a kind of schematic diagram of the humidity control system of preferred embodiment of the present invention；
Fig. 4 is that the flow of the humidity control system in present embodiment surveys the circuit connection signal of feedback device and controller
Figure；
Fig. 5 is the application method schematic illustration that humidity control system is used 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.
With reference to Fig. 3 to Fig. 5, a preferred embodiment of the present invention provides a kind of humidity control system and by its realization
Application method, carry out temperature or flow for the gas to the pressure cabin for entering aircraft and adjust, specifically, humidity control system
From bleed at such as engine (gas source i.e. in present embodiment), and the gas regulated is finally expelled to ventilating system,
Ventilating system is by gas mixing and is expelled to pressure cabin, so that the temperature in pressure cabin reaches comfortable degree.
In the present embodiment, gas source includes left gas source and right gas source, and humidity control system can be respectively from two gas sources
Locate bleed.Humidity control system includes two bleed main lines corresponding with two gas sources --- Zuo Yinqi main line and the right side
Bleed main line, Zuo Yinqi main line and the parallel setting of right bleed main line are simultaneously received respectively from left gas source and right gas source
Gas.It should be noted that humidity control system of the invention can be adapted for receiving the gas from more than two gas sources,
Accordingly, the quantity of bleed main line can also be identical as the quantity of gas source so that a bleed main line is accordingly with one
A gas source is connected.
With reference to Fig. 3, gas flow direction is provided with flow on bleed main line and surveys feedback device, flow control valve and air-conditioning
Component, the gas drawn from air-conditioning assembly are discharged to ventilating system.Left bleed main line and right bleed main line are surveyed in flow
Left trim air passage and right trim air passage, two trim air passages are drawn respectively between feedback device and flow control valve
Summarize to trim air header road, gas is expelled to ventilating system by trim air header road.
That is, a part flows through flow control valve, sky from the gas that gas source is drawn after inflow-rate of water turbine survey feedback device
It adjusts component and is discharged to ventilating system, this portion gas is cooled down by air-conditioning assembly, thus this portion gas is finally with cold
The mode of gas is discharged to ventilating system；And another part gas is arranged by trim air passage, trim air header road
Out to ventilating system, this portion gas is not cooled, thus is discharged to ventilating system thus and ventilation in the form of hot gas
Gas mixed, with preference temperature is finally expelled to pressure cabin by the cold air mixing in system, ventilating system.
It is appreciated that all parts being arranged for the pipeline to gas refrigeration and thereon (wrap in the present embodiment
Include flow control valve and air-conditioning assembly) composed by system can be known as refrigeration system；And trim air passage, with out of the void
Gas main pipe rail and all parts thereon have then collectively constituted trim air system.Certainly, refrigeration system and trim air system
Composed structure be not limited to example given by present embodiment, refrigeration system and trim air system can also include in addition to
Other component except example given by present embodiment.
When air-conditioning assembly fails, flow control valve may be closed or aperture reduces.And trim air system is from flow
Trim air passage is drawn in regulating valve upstream, thus even if flow control valve is closed, trim air system will not influenced just
Often work.It, can be directly by trim air system to from the external world if air-conditioning assembly fails for example, in high airflight
The emergency ram-air that introduces of upper atmosphere heated, and the gas after heating is expelled to pressure cabin, thus in this way
In the case where can also guarantee the environment temperature in pressure cabin to ensure the comfort level of passenger.
Also, trim air passage is surveyed feedback device downstream bleed in flow and can also be avoided by each trim air passage
Bleed imbalance problem caused by bleed difference can be realized each trim air branch under the adjusting that flow surveys feedback device
Road equilibrium bleed.
In the present embodiment, branch road valve is provided on each trim air passage, on each trim air passage
Branch road valve it is different from each other.For example, in Fig. 3, first branch valve can be pressure-regulating valve, and second branch valve can be with
For shut-off valve.Wherein, pressure-regulating valve can be by the feedback regulation of component downstream, and its aperture is smaller, can reduce trim
The hot gas and cold air in air system downstream blend generated noise, to improve the comfort in pressure cabin.
Different valves is set from second branch valve by first branch valve, can be realized the difference under different scenes
Operation, and the operation is mainly controlled by controller and is realized.Specifically, with reference to Fig. 4, controller is formed as the one of humidity control system
Part, and it includes temperature sensor, pressure sensor, tapered diffuser that flow, which surveys feedback device,.Tapered diffuser is for making to pass through
The flow that flow surveys the air-flow of feedback device keeps stablizing.And pressure sensor, temperature sensor can communicatedly connect with controller
Connect, the signal sensed be sent to controller, controller so as to based on the signal received to flow control valve
Aperture is controlled, and the path of signal transmitting is shown in Fig. 4 by long short dotted line.
Further, controller can according to wheel load signal or according to user input and temperature regulating system it is current
Application scenarios, and controlled according to valve of the current application scene to controller downstream.For example, if current application scene are as follows:
Aircraft is located at ground, in pressure cabin without passenger, need to carry out pressure cabin comfort (figure of the quickly heating without regard to passenger
Scene 1 shown in 5), then controller control opens shut-off valve and closes pressure-regulating valve, shut-off valve can standard-sized sheet so as to
Allow air-flow quickly through to realize the purpose to pressure cabin fast heating to the maximum extent；If current application scene are as follows: aircraft exists
There is passenger in high aerial, pressure cabin, then the comfort level for just needing to take into account the needs and passenger that heat up in pressure cabin needs (Fig. 5
Shown in scene 2), the pressure-regulating valve of controller control at this time is opened to reduce noise, and controls closing shut-off valve；If current
Application scenarios are as follows: pressure-regulating valve fails (scene 3 shown in Fig. 5), then shut-off valve is opened in controller control, in this feelings
The heating to pressure cabin is still able to maintain under condition.
Preferably, trim air header road includes the crosslinking section for being connected to each trim air passage downstream, parallel arrangement
Downstream flow regulating valve is also respectively provided in the downstream leg being crosslinked between section and ventilating system, each downstream leg.Into
One step, controller can also control each downstream flow regulating valve.For example, under one mode of scene shown in Fig. 5,
The aperture of each downstream flow regulating valve can be increased as far as possible, to realize that air flow rate maximizes, with further shortening heating
Time；And under the mode for not needing quickly to heat, it can slightly reduce the aperture of each downstream flow regulating valve.
It should be noted that " bleed ", the terms such as " connection " that the present invention is previously mentioned, contain directly or indirectly two kinds of realities
Existing mode.For example, downstream line can directly be connected with upstream line and realize straight when downstream line is from upstream line bleed
It connects and other pipelines and/or device can be set between bleed or downstream line and upstream line to realize indirect bleed.
Humidity control system provided by the present invention and the application method realized by it include meeting multi-state operation item
Different structure design and method design under part, can be adapted for a variety of different scene environments.Specifically, Zuo Peiping air
It is provided with branch road valve different from each other on branch and right trim air passage, can be selected to open institute according to specifically used scene
The branch road valve needed, such as make the air-flow in trim air system without pressure-regulating valve in the case where needing emergency heat supply
So as to quickly be discharged, shorten warm-up time；In high aerial air-conditioning component failures, trim air system will not be by shadow
It rings, emergency ram-air can be heated and is vented to pressure cabin, thus under extreme conditions also can be in pressure cabin
Temperature environment plays guaranteeing role；Trim air system has at least two branches, and each branch exists in specific position to be crosslinked
Section, other branches also can still work when the valve invalidation of a branch road；The branch of each trim air system is in trim
Air header summarizes at road, from function backup with advantage.To sum up, humidity control system provided by the present invention and
Using its method, all has and significantly improve relative to existing humidity control system and method in many aspects, can satisfy
The different use demands of user.
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.
Claims (15)
1. a kind of humidity control system, for from left gas source and right gas source bleed and gas being adjusted with the gas after adjusting
Body is emitted into ventilating system, and the ventilating system is by gas mixing and is expelled to pressure cabin, and the humidity control system includes:
The left bleed main line and right bleed main line of parallel setting, the left bleed main line and right bleed main line point
Not Jie Shou the gas from left gas source and right gas source,
Wherein, flow is disposed with respectively along the flow direction of gas on the left bleed main line and right bleed main line to survey
Device, flow control valve and air-conditioning assembly are presented,
It is characterized in that, the left bleed main line and right bleed main line survey feedback device and the flow in the flow respectively
Left trim air passage and right trim air passage are formed between regulating valve, the left trim air passage and the right side are with out of the void
Gas branch road is respectively arranged with branch road valve different from each other to be applied to different application scenarios, the left trim air passage
Trim air header road is formed after being crosslinked with right trim air passage and gas is thus expelled to the ventilating system.
2. humidity control system according to claim 1, which is characterized in that the left trim air passage and the right side are matched
A upper branch road valve being arranged in flat air passage is pressure-regulating valve, the left trim air passage and the right side
The branch road valve being arranged on another in trim air passage is shut-off valve.
3. humidity control system according to claim 2, which is characterized in that the pressure-regulating valve is by component downstream
Feedback regulation.
4. humidity control system according to claim 2, which is characterized in that the humidity control system further includes control
Device, the controller are configured to according to wheel load signal or are inputted according to user and determine working as the humidity control system
Preceding application scenarios, and the valve in the controller downstream is controlled according to the current application scene.
5. humidity control system according to claim 4, which is characterized in that the application scenarios include: the aircraft position
It is located in high-altitude and the pressure cabin field for having passenger in the scene on ground and in the pressure cabin without passenger, the aircraft
The scene that scape, the pressure-regulating valve fail.
6. humidity control system according to claim 4, which is characterized in that the sensor include pressure sensor and/
Or temperature sensor.
7. humidity control system according to claim 1, which is characterized in that the left bleed main line and the right bleed
Gas in main line flows through the flow and surveys feedback device, the flow control valve and the air-conditioning assembly, thereafter lets out institute
State ventilating system, with the gas mixing in the ventilating system.
8. humidity control system according to claim 4, which is characterized in that the controller, which is configured to receive, to be come
The sensing signal of feedback device is surveyed from the flow, and opening for the flow control valve is controlled to adjust based on the sensing signal
Degree.
9. humidity control system according to claim 1, which is characterized in that trim air header road includes will be described
The crosslinking section and be arranged in parallel in the crosslinking section and the ventilation that left trim air passage and the right trim branch summarize
Multiple downstream legs between system.
10. humidity control system according to claim 9, which is characterized in that be respectively provided in downstream leg described in each
There is downstream flow regulating valve.
11. a kind of application method, the humidity control system as described according to claim 1 any one of -10 is realized, to adjust
The gas temperature in aircraft pressure cabin is saved, wherein the humidity control system further includes controller, the controller is configured to
The current application scene of the humidity control system can be inputted and determined according to wheel load signal or according to user, and according to described
Current application scene and the valve in the controller downstream is controlled, which is characterized in that the application method includes following
Step:
Controller judges that the current application scene of the humidity control system or the controller receive user according to wheel load signal
The signal of the current application scene comprising the temperature controlling and regulating system of input；And
The controller controls valve downstream according to the current application scene.
12. application method according to claim 11, which is characterized in that Zuo Peiping air passage and right trim air passage
In a upper branch road valve being arranged be pressure-regulating valve, in the left trim air passage and the right trim air passage
Another on be arranged branch road valve be shut-off valve.
13. application method according to claim 12, which is characterized in that when the aircraft is rest on the ground and the pressurization
When in cabin without passenger, the controller opens the shut-off valve according to the current application scenery control, closes the pressure tune
Save valve.
14. application method according to claim 12, which is characterized in that when the aircraft is located at high-altitude and the pressure cabin
When inside having passenger, the controller opens the pressure-regulating valve according to the current application scenery control, closes the shutdown
Valve.
15. application method according to claim 12, which is characterized in that when pressure-regulating valve failure, the control
Device processed opens the shut-off valve according to the current application scenery control.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815934A (en) * | 2022-03-23 | 2022-07-29 | 中国商用飞机有限责任公司 | Aircraft cabin air balancing device, temperature control system and control method |
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