CN105329255B - A kind of vehicle double-pipe air feed system and its air duct air feed monitoring method - Google Patents
A kind of vehicle double-pipe air feed system and its air duct air feed monitoring method Download PDFInfo
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- CN105329255B CN105329255B CN201510881885.5A CN201510881885A CN105329255B CN 105329255 B CN105329255 B CN 105329255B CN 201510881885 A CN201510881885 A CN 201510881885A CN 105329255 B CN105329255 B CN 105329255B
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Abstract
The invention discloses a kind of vehicle double-pipe air feed system and its air duct air feed monitoring method, the system includes air source apparatus, total wind union and air duct, air source apparatus includes compressor, it is arranged between total wind union and air duct, first air feed path and the second air feed path in parallel, first air feed path latus rectum is more than the second air feed path latus rectum, and the first air feed path is provided with the first control valve, and the second air feed path is provided with the second control valve；Gather the air feed pressure data of air duct and the sensor of data on flows；The data of sensor collection are received, send prompting or warning message, and control the first control valve and the opening and closing of the second control valve, and the control unit of control compressor operating；Show each data, the prompting warning message of control unit transmission and the display of compressor operating state of sensor collection.The air feed pipe pressure and flow of locomotive dual pipe air supply system can be monitored, optimizes compressor operating pattern, the potential safety hazard for avoiding air feed abnormal belt from.
Description
Technical field
The present invention relates to field of track traffic, is supervised more particularly to a kind of vehicle double-pipe air feed system and its air duct air feed
Prosecutor method.
Background technology
Currently, track traffic has become an important part for people's go off daily, and its security performance is increasingly becoming people
The focus of concern.
In recent years, as the development of vehicle technology, railway passenger carriage use pneumatic door, air spring and defecate collection in large quantities
The wind devices such as device, in order to adapt to the vehicle air quantity increasingly increased, dual pipe air supply system is arisen at the historic moment, wherein, dual pipe air supply
System includes total wind union and air duct, and total wind union supplies compressed air caused by air supply system to air duct, Ran Houyou
Air duct supply vehicle respectively uses wind devices.However, each locomotive, especially passenger locomotive lack effective prison for air duct at present
Management means is controlled, driver can not know that vehicle uses wind state in real time, if the increase of vehicle air feed piping blast consumption can not adopt in time again
Measure is taken, total wind pressure change overfrequency may be caused too fast, potential safety hazard is brought to driving.On the other hand, due to vehicle air feed
Demand increases, and the compressor air-discharging amount that passenger locomotive is selected is very big, once rear portion hangs together vehicle fleet size and reduced air feed can be caused to need
Reduction is asked, if can not be effectively according to control of the how much implementations of air feed demand to compressor, it is most likely that cause the big of selection
Capacity compressors work ratio (ratio of working time and unit interval i.e. in the unit interval) is too low and produces oily emulsion.
Therefore, the air feed pipe pressure and flow of vehicle double-pipe air feed system how are effectively monitored, to avoid air feed abnormal
The potential safety hazard brought, it is the current technical issues that need to address of those skilled in the art.
The content of the invention
, can be effective it is an object of the invention to provide a kind of vehicle double-pipe air feed system and its air duct air feed monitoring method
The air feed pipe pressure and flow of ground monitoring locomotive dual pipe air supply system, optimization compressor operating pattern, to avoid air feed abnormal belt
The potential safety hazard come.
In order to solve the above technical problems, the invention provides following technical scheme：
A kind of vehicle double-pipe air feed system, including air source apparatus, total wind union and air duct, wherein, the air source apparatus
Including compressor, the vehicle double-pipe air feed system also includes：
Total first air feed path being in parallel between wind union and the air duct and the second air feed is arranged on to lead to
Road, the latus rectum of the first air feed path are more than the latus rectum of the second air feed path, and the first air feed path is provided with the
One control valve, the second air feed path are provided with the second control valve；
For gathering the air feed pressure data of the air duct and the sensor of data on flows；
Each data of the sensor collection are received, send prompting or warning message, and control first control valve
It is opened and closed with second control valve, and the control unit of the control compressor operating；
For showing prompting or warning message that each data of sensor collection, described control unit send and described
The display of compressor operating state.
Preferably, the first air feed path also includes the first check valve, and the second air feed path also includes adjustable
Flow valve and the second check valve.
Preferably, in addition to：
Tune between the public defeated air port and total wind union of the first air feed path and the second air feed path
Pressure valve.
Preferably, first control valve and second control valve are magnetic valve.
Preferably, in addition to：
The Electricity Federation locked cock door of the pipeline break-make of the air duct is controlled, wherein, described control unit is additionally operable to monitor, recorded
The opening and closing of the Electricity Federation locked cock door.
A kind of air duct air feed monitoring method of vehicle double-pipe air feed system, including：
Gather the air feed pressure data and data on flows of air duct；
Judge the air feed pressure data and data on flows whether in default threshold range；
If the air feed pressure data and data on flows are in corresponding default threshold range, the total wind connection of switching is corresponded to
The air feed path of two different latus rectums carries out air feed between pipe and the air duct.
Preferably, it is described to judge whether the air feed pressure data and data on flows wrap in default threshold range
Include：
Judge whether air feed flow causes total wind pressure to be less than the first preset pressure value, and the air feed in the air duct
Whether the duration that flow is more than the first preset flow value is more than the first preset time value；
Judge whether air feed flow causes total wind pressure to be not less than the second preset pressure value, and the confession in the air duct
Whether the duration that wind flow is less than the second preset flow value is more than the second preset time value.
Preferably, it is right if the air feed pressure data and data on flows are in corresponding default threshold range
The air feed path progress air feed of two different latus rectums between total wind union and the air duct, which should be switched, to be included：
If air feed flow causes total wind pressure to be less than the first preset pressure value in the air duct, and the air feed flow is big
It is more than the first preset time value in the duration of the first preset flow value, then the air feed path for switching to smaller latus rectum enters
Row air feed；
If air feed flow causes total wind pressure to be not less than the second preset pressure value, and the air feed flow in the air duct
Duration less than the second preset flow value is more than the second preset time value, then switches to the air feed path compared with big orifice
Carry out air feed.
Compared with prior art, above-mentioned technical proposal has advantages below：
1st, the vehicle double-pipe air feed system that the embodiment of the present invention is provided, wind caused by air source apparatus join via total wind successively
Pipe, the first air feed path or the second air feed path, air duct are until each use wind devices.
2nd, introduce and automatically control, the parameter such as air feed pressure and data on flows in sensor collection air duct pipeline, and will
Each parameter of collection, which is sent to control unit, control unit, can judge the actual conditions of air feed according to each parameter of reception, cut
Change using the first air feed path or the second air feed path and send prompting or warning information, it is of course also possible to manual switching, so as to
Avoid total wind pressure change overfrequency too fast, reduce traffic safety hidden danger.
3rd, display shows prompting or the warning information of each parameter and the control unit transmission of sensor collection, for driver
Monitor locomotive actual wind state and execution corresponding operating.
4th, control unit can also be according to actual air feed demand modeling compressor operating, so as to improve the work of compressor
Rate, oily emulsion is avoided to occur.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
The vehicle double-pipe air feed system structural representation that Fig. 1 is provided for a kind of embodiment of the present invention；
Control structure schematic diagrames of the Fig. 2 by Fig. 1 vehicle double-pipe air feed systems provided；
The air duct air feed monitoring side for the vehicle double-pipe air feed system that Fig. 3 is provided for a kind of embodiment of the present invention
Method flow chart.
Embodiment
The core of the present invention is to provide a kind of vehicle double-pipe air feed system and its air duct air feed monitoring method, can be effective
Ground monitors the air feed pipe pressure and flow of locomotive dual pipe air supply system, optimizes compressor operating pattern, to avoid air feed abnormal belt
The potential safety hazard come.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in detail.
Detail is elaborated in the following description in order to fully understand the present invention.But the present invention can with it is a variety of not
Other manner described here is same as to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited by following public embodiment.
It refer to Fig. 1 and Fig. 2, the vehicle double-pipe air feed system knot that Fig. 1 is provided for a kind of embodiment of the present invention
Structure schematic diagram；Control structure schematic diagrames of the Fig. 2 by Fig. 1 vehicle double-pipe air feed systems provided.
A kind of embodiment of the present invention provides a kind of vehicle double-pipe air feed system, including air source apparatus, total wind
Union and air duct, first total reservoir can be provided between air source apparatus and total wind union, wherein, the air source apparatus includes
Compressor, the vehicle double-pipe air feed system also include：It is arranged on described total between wind union and the air duct, is in parallel
First air feed path and the second air feed path, the latus rectum of the first air feed path are more than the latus rectum of the second air feed path,
I.e. in the present embodiment, the first air feed path is big orifice path, and the second air feed path is small latus rectum path, and described first supplies
Wind path is provided with the first control valve 1, and the second air feed path is provided with the second control valve 2；For gathering the confession
The air feed pressure data of airduct and the sensor 3 of data on flows；Receive each data that the sensor 3 gathers, send prompting or
Warning message, and control first control valve 1 and second control valve 2 to be opened and closed, and the control compressor work
The control unit 4 of work；The prompting or alarm signal that each data, described control unit for showing the collection of sensor 3 are sent
The display 5 of breath and the compressor operating state.
Wind caused by air source apparatus is straight via total wind union, the first air feed path or the second air feed path, air duct successively
Wind devices are used to each.Air feed pressure and the parameter such as data on flows in sensor collection air duct pipeline, and by each ginseng of collection
Number is sent to control unit, and control unit can judge the actual conditions of air feed according to each parameter of reception, and switching uses first
Air feed path or the second air feed path simultaneously send prompting or warning information, it is of course also possible to manual switching, display shows air feed
The prompting or warning information that pressure and data on flows and control unit are sent, for driver monitoring locomotive reality wind state with holding
Row corresponding operating, so as to avoid total wind pressure change overfrequency too fast, reduce traffic safety hidden danger.Secondly, control unit can also
According to actual air feed demand modeling compressor operating, so as to improve the work ratio of compressor, oily emulsion is avoided to occur.
In the present embodiment, illustrated by taking multi-locomotive in binodal as an example.Wherein, each section locomotive is equipped with one
State vehicle double-pipe air feed system.In order to ensure that wind will not be back to total wind union, preferably described first air feed path by air duct
Also include the first check valve 6, the second air feed path also includes the check valve 8 of adjustable throttling 7 and second, wherein adjustable throttling
Valve 7 is used for the air feed flow for adjusting the second air feed path.Under normal circumstances, air feed pressure is larger in total wind union, in order to ensure
Appropriate air feed pressure, vehicle double-pipe air feed system are also included positioned at the public of the first air feed path and the second air feed path
Pressure regulator valve 9 between defeated air port and total wind union.
Total wind union fills wind through above-mentioned two air feed paths in parallel to air duct, and the first via is big orifice path, total wind connection
Pipe air feed enters air duct through pressure regulator valve 9, the first control valve 1, the first check valve 6 successively, is supplied for rear body with wind devices
Wind；Second tunnel is small latus rectum path, and total wind union air feed is successively through pressure regulator valve 9, the second control valve 2, adjustable throttling 7 and
Two check valves 8 enter air duct.The air duct for wherein often saving locomotive is interconnected.If the vehicle double-pipe air feed system of a certain section locomotive
System is broken down, then the vehicle double-pipe air feed system of other section locomotive can be used with redundancy.
In one embodiment of the invention, preferably described first control valve and second control valve are electricity
Magnet valve.That is the first control valve is the first magnetic valve, and the second control valve is second solenoid valve.
In the present embodiment, display except parameters such as the air feed pressure and data on flows that can show air duct outside,
The prompting that can be sent with display control unit or warning information, if there is air feed Traffic Anomaly, driver can be prompted to pass through aobvious
Show that either the selection of the equipment such as manual operation button uses big orifice path or small latus rectum path, Jin Ertong to the control button on device
Cross control unit and control the first magnetic valve and the electronic work of gain and loss of second solenoid valve.During normal use, by big orifice path to
Air duct air feed, now the first solenoid valve conduction, second solenoid valve shut-off, A section locomotives and the B total wind of section locomotive by pressure regulator valve 9,
First magnetic valve 1, the first check valve 6 enter air duct.
If in running, air feed flow is excessive causes total wind pressure to be less than setting value P1, and air feed stream for the feedback of sensor 3
Duration of the amount more than setting value Q1 is more than setting value T1, control unit 4 by network transmission to display 5, send prompting,
Warning information, driver can manually switch or automatically switch to small latus rectum according to inner setting program by control unit 4
Path, the protection total wind of locomotive are unlikely to too fast and drop to Danger Indexes P2 (P2<P1).Now, the control unit 4 of A, B section car can
To control the first magnetic valve to disconnect respectively, and second solenoid valve turns on, and links up small latus rectum path, i.e. A, B saves the total wind of locomotive and passed through
Pressure regulator valve 9, second solenoid valve 2, the check valve 8 of adjustable throttling 7 and second posteriorly vehicle air feed.Supplied when sensor 3 feeds back
Wind flow, which reduces, causes (P3 when total wind pressure reaches setting value P3>P1), and air feed flow is less than setting value Q2 (Q2<Holding Q1)
The continuous time is more than setting value T2, and control unit 4, to display 5, sends information of sounding all clear, driver can lead to by network transmission
Cross manual switching or big orifice path is automatically switched to according to inner setting program by control unit 4.
The start and stop status signal of compressor is monitored and recorded by control unit 4, and real by default internal processes
Now to the accumulation calculating of compressor operating time.By the prompting and inquiry of display, the maintenance according to compressor uses mark
Standard, driver can be prompted to carry out periodic maintenance maintenance and more oil change.
In addition, control unit 4 can calculate the work ratio of compressor in real time, to adapt to because passenger locomotive hangs together varying number
Vehicle cause the difference of air feed demand, ensure that the work ratio of compressor more than 30%, prevents the generation of oily emulsion,
Control unit 4 can realize the oriented control to compressor, ensure the work ratio of each compressor more than 30%.
In order to further tighten control, wherein the Electricity Federation locked cock door 10 for the pipeline break-make for controlling the air duct is additionally provided with,
Wherein, described control unit is additionally operable to monitor, record the opening and closing of the Electricity Federation locked cock door, because Electricity Federation locked cock door can only pass through hand
Dynamic operation is opened and closed, in order that obtaining the opening and closing situation that driver learns Electricity Federation locked cock door, control unit receives Electricity Federation locked cock door
Position signalling, realize the monitoring to Electricity Federation locked cock door, the information that control unit is surveyed and recorded by display to Electricity Federation locked cock gatekeeper
It has been shown that, driver can learn the opening and closing situation of Electricity Federation locked cock door.
The vehicle double-pipe air feed system that embodiment of the present invention is provided, the air feed pressure in air duct, flow are carried out
It is monitored and controlled, while recording and showing air feed pressure, flow, can also occurs in air duct air feed pressure and flow different
Made a response automatically when often, and prompt driver to take corresponding safety measure, ensure total wind pressure smooth change and optimization compression
The working method of machine.Sensor on locomotive air-supply pipeline sends the air feed pipe pressure of collection, data on flows to control unit,
In addition, the Electricity Federation locked cock door and start/stop of compressor state of control air duct break-make also enter control unit so that control unit
All information is monitored and recorded, wherein, for double car multi-locomotives, control unit is carried out mutual by network
Communication.
Control unit is opening machine initialization completion, self-test by rear, and default setting dual pipe air supply system is led to using big orifice
Road direction air duct air feed, i.e. the first solenoid valve conduction, second solenoid valve disconnect.Feelings for locomotive without using dual pipe air supply system
Condition, it now will appear from whether cutting off the selection interface of air duct air feed on display.If selection cut-out, control unit send instruction
The first magnetic valve and second solenoid valve are turned off, fills wind path so as to cut off air duct.The work start and stop state letter of compressor
Number control unit is input to, receives status signal, control unit can carry out cumulative timing, working state signal to signal source
Disappearing, timing terminates and carries out recording time t1, and working state signal inputs again next time, is added up on time t1,
By inquiry, this time can be informed driver by control unit by display.The inspection of driver or maintainer according to compressor
Maintenance criterion is repaiied, contrasts the working time of compressor, the repair and maintenance of different work can be carried out in time.
By default operation method, with reference to compressor operating time t1, the work ratio m of compressor can be calculated；If
Certain compressor a work ratio m<30%, by control unit output control signal, other compressors can be stopped with oriented control
Only work, compressor a is operated so that compressor a longer working times, work ratio improve.Can be with by the method
The work ratio of compressor is obviously improved, prevents that the compressor single working time is too short, work times overfrequency, it is existing oil emulsification occur
As.It after this compressor a work ratio is promoted to more than 30%, can wouldn't intervene its job control, recover other pressures
The work of contracting machine.In terms of prolonged timing statisticses, the working time length per compressor reaches unanimity.
If in the process of running, there is the big flow of short time, beyond preset value, it is possible to implement each compression
Machine works simultaneously, prevents the deficiency of single compressor air supply ability.
It refer to Fig. 3, the air duct for the vehicle double-pipe air feed system that Fig. 3 is provided for a kind of embodiment of the present invention
Air feed monitoring method flow chart.
Correspondingly, one embodiment of the present invention additionally provides a kind of air duct air feed monitoring of vehicle double-pipe air feed system
Method, including：
S01：Gather the air feed pressure data and data on flows of air duct.
S02：Judge the air feed pressure data and data on flows whether in default threshold range.
Wherein, it is described to judge whether the air feed pressure data and data on flows include in default threshold range：
Judge whether air feed flow causes total wind pressure to be less than the first preset pressure value, and the air feed in the air duct
Whether the duration that flow is more than the first preset flow value is more than the first preset time value；
Judge whether air feed flow causes total wind pressure to be not less than the second preset pressure value, and the confession in the air duct
Whether the duration that wind flow is less than the second preset flow value is more than the second preset time value.
S03：If the air feed pressure data and data on flows are in corresponding default threshold range, it is total to correspond to switching
The air feed path of two different latus rectums carries out air feed between wind union and the air duct.
Wherein, if the air feed pressure data and data on flows are in corresponding default threshold range, correspond to
Switching the air feed path progress air feed of two different latus rectums between total wind union and the air duct includes：
If air feed flow causes total wind pressure to be less than the first preset pressure value in the air duct, and the air feed flow is big
It is more than the first preset time value in the duration of the first preset flow value, then the air feed path for switching to smaller latus rectum enters
Row air feed；
If air feed flow causes total wind pressure to be not less than the second preset pressure value, and the air feed flow in the air duct
Duration less than the second preset flow value is more than the second preset time value, then switches to the air feed path compared with big orifice
Carry out air feed.
In summary, the vehicle double-pipe air feed system and its air duct air feed monitoring side that embodiment of the present invention is provided
Method, especially vehicle double-pipe air feed system, wind caused by air source apparatus is successively via total wind union, the first air feed path or second
Air feed path, air duct are until each use wind devices.The ginsengs such as air feed pressure and data on flows in sensor collection air duct pipeline
Number, and each parameter of collection is sent to control unit, control unit the reality of air feed can be judged according to each parameter of reception
Situation, switching is using the first air feed path or the second air feed path and sends prompting or warning information, it is of course also possible to manually cut
Change, display shows prompting or the warning information of air feed pressure and data on flows and control unit transmission, for driver monitoring machine
Car actual wind state and execution corresponding operating, so as to avoid total wind pressure change overfrequency too fast, reduce traffic safety hidden danger.Its
Secondary, control unit, so as to improve the work ratio of compressor, can also avoid oil according to actual air feed demand modeling compressor operating
Emulsion occurs.
A kind of vehicle double-pipe air feed system provided by the present invention and its air duct air feed monitoring method have been carried out in detail above
It is thin to introduce.Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright be only intended to help understand the present invention and its core concept.It should be pointed out that come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification
Also fall into the protection domain of the claims in the present invention.
Claims (8)
1. a kind of vehicle double-pipe air feed system, including air source apparatus, total wind union and air duct, wherein, the air source apparatus bag
Compressor is included, for gathering the air feed pressure data of the air duct and the sensor of data on flows, for showing the sensing
Each data of device collection and the display of the compressor operating state, it is characterised in that the vehicle double-pipe air feed system is also
Including：
It is arranged on described total between wind union and the air duct, the first air feed path and the second air feed path that are in parallel, institute
The latus rectum for stating the first air feed path is more than the latus rectum of the second air feed path, and the first air feed path is provided with the first control
Valve, the second air feed path are provided with the second control valve；
Each data of the sensor collection are received, send prompting or warning message, and control first control valve and institute
State the opening and closing of the second control valve, and the control unit of the control compressor operating；
Wherein, the display is additionally operable to show the prompting or warning message that described control unit is sent.
2. vehicle double-pipe air feed system according to claim 1, it is characterised in that the first air feed path also includes the
One check valve, the second air feed path also include adjustable throttling and the second check valve.
3. vehicle double-pipe air feed system according to claim 2, it is characterised in that also include：
Pressure regulator valve between the public defeated air port and total wind union of the first air feed path and the second air feed path.
4. the vehicle double-pipe air feed system according to any one of claims 1 to 3, it is characterised in that first control valve
Door and second control valve are magnetic valve.
5. vehicle double-pipe air feed system according to claim 4, it is characterised in that also include：
Control the Electricity Federation locked cock door of the pipeline break-make of the air duct, wherein, described control unit is additionally operable to monitor, record described in
The opening and closing of Electricity Federation locked cock door.
6. a kind of air duct air feed monitoring method of vehicle double-pipe air feed system, including the air feed pressure data of collection air duct and
Data on flows, judge the air feed pressure data and data on flows whether in default threshold range, it is characterised in that also
Including：
If the air feed pressure data and data on flows are in corresponding default threshold range, correspond to the total wind union of switching and
The air feed path of two different latus rectums carries out air feed between the air duct.
7. monitoring method according to claim 6, it is characterised in that described to judge the air feed pressure data and flow number
According to whether including in the default threshold range：
Judge whether air feed flow causes total wind pressure to be less than the first preset pressure value, and the air feed flow in the air duct
Whether the duration more than the first preset flow value is more than the first preset time value；
Judge whether air feed flow causes total wind pressure to be not less than the second preset pressure value, and the air feed stream in the air duct
Whether amount is more than the second preset time value less than the duration of the second preset flow value.
8. monitoring method according to claim 7, it is characterised in that if the air feed pressure data and data on flows
In corresponding default threshold range, then the air feed for switching two different latus rectums between total wind union and the air duct is corresponded to
Path, which carries out air feed, to be included：
If air feed flow make it that total wind pressure is less than the first preset pressure value in the air duct, and the air feed flow is more than the
The duration of one preset flow value is more than the first preset time value, then the air feed path for switching to smaller latus rectum is supplied
Wind；
If air feed flow causes total wind pressure to be not less than the second preset pressure value in the air duct, and the air feed flow is less than
The duration of second preset flow value is more than the second preset time value, then switches to the air feed path progress compared with big orifice
Air feed.
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| CN201510881885.5A CN105329255B (en) | 2015-12-04 | 2015-12-04 | A kind of vehicle double-pipe air feed system and its air duct air feed monitoring method |
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| CN201510881885.5A CN105329255B (en) | 2015-12-04 | 2015-12-04 | A kind of vehicle double-pipe air feed system and its air duct air feed monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105882690A (en) * | 2016-06-16 | 2016-08-24 | 成都畅通机车车辆技术开发有限公司 | Intelligent monitoring system for wind source system of locomotive |
| CN109131397A (en) * | 2018-08-28 | 2019-01-04 | 中车株洲电力机车有限公司 | Passenger locomotive air feed control system and its control method |
| CN111706496B (en) * | 2020-06-18 | 2021-10-26 | 中车株洲电力机车有限公司 | Rail vehicle air source system control device and method |
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2015
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