CN107512178A - The atmospheric control and control method of a kind of pantograph - Google Patents
The atmospheric control and control method of a kind of pantograph Download PDFInfo
- Publication number
- CN107512178A CN107512178A CN201710791862.4A CN201710791862A CN107512178A CN 107512178 A CN107512178 A CN 107512178A CN 201710791862 A CN201710791862 A CN 201710791862A CN 107512178 A CN107512178 A CN 107512178A
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- Prior art keywords
- pressure
- signal
- pantograph
- adjusting means
- control
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
- B60L5/32—Devices for lifting and resetting the collector using fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of atmospheric control of pantograph and control method, including gas circuit, control unit, the gas circuit is inflated by check electron pressure adjusting means to aerating device, and electron pressure adjusting means is adjusted to output pressure；Electron pressure adjusting means includes pressure sensitive device feedback circuit, and electron pressure adjusting means is by receiving electric current, voltage signal is converted into atmospheric pressure value and is used as gas circuit output valve；The pressure signal and the feedback signal of the pressure sensitive device feedback circuit that the pressure sensor that control unit receives to be placed between the electron pressure adjusting means gas outlet and aerating device provides, send electric current, the voltage signal of control pressure sensing device.The influence pantograph and the various direct or indirect factors of contact net that can be collected by control unit, draw voltage, the current signal of the corresponding air pressure that need to be given, are transferred to electron pressure adjusting means, export to aerating device.Motorcycle safety, reliable, high-speed cruising purpose are ensured so as to reach.
Description
Technical field
The present invention relates to the atmospheric control and controlling party of a kind of pantograph control technology, more particularly to a kind of pantograph
Method, the pantograph are used for the rail traffic vehicles for being supplied in the fixed contact cable power supply such as railway, subway.
Background technology
The basic fundamental parameter (such as Mass Distribution, kinematics and bow geometry) of pantograph is that pantograph designs
Basis.With the raising of speed, traditional way for only changing basic fundamental parameter is technically difficult to realize, and also is difficult to
Arrival remains good under high-speed condition and flowed, stable air dynamic behaviour under the conditions of way traffic, and reduces and bend
The current demand of net noise.Thus need to install active control system additional.
Using active control system, the situation of Various Complex can be considered, including：
Train speed；Line information (open-wire line or tunnel)；Pantograph information (pantograph type, nominal quiescent contact pressure
Force value etc.)；Pantograph positional information (single bow or bouble-bow, anterior arch or cantle)；Contact net information (contact net type, tension force,
Span etc.)；Climatic information (extraneous wind speed, temperature, humidity etc.)；Current of traffic information (pantograph opening or fortune of remaining silent
OK).
By using active control system, the dynamic stability of bow net contact pressure is improved, realizes pantograph contact line relation
Matched well, when ensure that high-speed cruising by stream stability, reduce abrasion.
Active control system of the prior art, safety and reliability are poor.
The content of the invention
It is an object of the invention to provide a kind of atmospheric control of pantograph and control method.
The purpose of the present invention is achieved through the following technical solutions：
The atmospheric control of the pantograph of the present invention, including gas circuit, control unit, the gas circuit pass through in check electricity
Sub- pressure-regulating device inflates to aerating device, and the electron pressure adjusting means is adjusted to output pressure；
The electron pressure adjusting means includes pressure sensitive device feedback circuit, and electron pressure adjusting means passes through reception
Electric current, voltage signal are converted into atmospheric pressure value as gas circuit output valve；
The pressure that described control unit receives to be placed between the electron pressure adjusting means gas outlet and aerating device passes
The pressure signal and the feedback signal of the pressure sensitive device feedback circuit that sensor provides, send control pressure sensing device
Electric current, voltage signal.
The atmospheric control of the above-mentioned pantograph of the present invention realizes the gas path control method of pantograph, including：
Electron pressure adjusting means can give atmospheric pressure value according to control unit, then pass through pressure sensitive device feedback circuit
Feedback, is adjusted to output pressure；
Pressure sensitive device feedback circuit detects the pressure letter between electron pressure adjusting means gas outlet and aerating device
Number；
The train signal that the given atmospheric pressure value is gathered by control unit obtains.
As seen from the above technical solution provided by the invention, the pneumatic control of pantograph provided in an embodiment of the present invention
System and control method, can by influence pantograph that control unit can collect and contact net it is various it is direct or indirect because
Number, draws voltage, the current signal of the corresponding air pressure that need to be given, is transferred to electron pressure adjusting means, exports to aerating device.
Motorcycle safety, reliable, high-speed cruising purpose are ensured so as to reach.
Brief description of the drawings
Fig. 1 is the theory diagram of the atmospheric control of pantograph provided in an embodiment of the present invention；
Fig. 2 is the circuit theory diagrams of pantograph control system provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.Do not make in the embodiment of the present invention in detail
The content of description belongs to prior art known to professional and technical personnel in the field.
The atmospheric control of the pantograph of the present invention, its preferable embodiment are：
Including gas circuit, control unit, the gas circuit is filled by check electron pressure adjusting means to aerating device
Gas, the electron pressure adjusting means are adjusted to output pressure；
The electron pressure adjusting means includes pressure sensitive device feedback circuit, and electron pressure adjusting means passes through reception
Electric current, voltage signal are converted into atmospheric pressure value as gas circuit output valve；
The pressure that described control unit receives to be placed between the electron pressure adjusting means gas outlet and aerating device passes
The pressure signal and the feedback signal of the pressure sensitive device feedback circuit that sensor provides, send control pressure sensing device
Electric current, voltage signal.
Also include pressure switch, pantograph rising bow signal, drop bow signal are transferred to the control list by the pressure switch
Member.
Described control unit can interact with signals of vehicles, including：I/O signal, MVB communications, Ethernet.
The atmospheric control of the pantograph controls multiple pantographs.
The atmospheric control of the pantograph stated of the present invention realizes the gas path control method of pantograph, and it is preferably specific
Embodiment is：
Including：
Electron pressure adjusting means can give atmospheric pressure value according to control unit, then pass through pressure sensitive device feedback circuit
Feedback, is adjusted to output pressure；
Pressure sensitive device feedback circuit detects the pressure letter between electron pressure adjusting means gas outlet and aerating device
Number；
The train signal that the given atmospheric pressure value is gathered by control unit obtains.
Pressure signal between electron pressure adjusting means gas outlet and aerating device is detected by pressure sensor, is used for
Judge whether electron pressure adjusting means is abnormal.
The atmospheric control and method of the aerating devices such as the pantograph active control air bag or cylinder of the present invention, are used
Electron pressure adjusting means, it can be fed back according to own pressure circuit, automatically adjust output pressure, inflated by air bag or cylinder etc.
The pantograph active control valve plate of device driving.
Control unit, which can gather signal, to be included：
- pressure signal, pantograph is because bearing contact net pressure change；Pantograph pantograph caused by pogonip weather freezes
Gravity pressure changes,
- rate signal, directly gathered by vehicle speed sensor, signal is adjusted by control unit；MVB is passed through by vehicle
Communication obtains rate signal,
- contact net type signal,
The status signals such as-pantograph position, pantograph opening direction,
The signals such as-vehicle traffic direction, working line,
The geologic(al) climate signal such as-temperature, weather conditions, height above sea level.
Above signal can all be obtained by I/O port or MVB communications.
Pantograph atmospheric control and method provided in an embodiment of the present invention, be able to can be collected by control unit
The various direct or indirect factors of pantograph and contact net are influenceed, draw voltage, the current signal of the corresponding air pressure that need to be given, are passed
Electron pressure adjusting means is defeated by, is exported to aerating device.Motorcycle safety, reliable, high-speed cruising purpose are ensured so as to reach.
Specific embodiment：
As shown in Figure 1 and Figure 2, the present invention implements the pantograph control system provided, and locomotive will be come from by being mainly used in control
Wait the size of the air of wind regime, finally realize current collecting bow lifting bow strategy, the work(such as Static Contact power are adjusted in running
Energy.Its main element is a big flow electrical pressure regulator, and control electricity is added based on the electron pressure demodulator
Road, including pneumatic unit and electronic unit, form whole pantograph control system.
Fig. 1 show the principle schematic of pantograph control system.Pantograph 5 is driven by gas circuit, the control of the gas circuit
Mainly completed by big flow electrical pressure regulator 3.The pressure regulator is placed in upstream flowrate demodulator 2 and downstream flow
Between demodulator 4.It is reconciled up and down under ensureing aerating device in pantograph with a constant pressure.Vehicle source of the gas passes through element
1 filtering, to upstream flowrate demodulator 2, the flow regulator ensures for air pressure to be adjusted to the gas needed for electrical pressure regulator 3
Pressure.
The downstream flow demodulator 4 is air pressure throttling function, thus it is possible to vary gas pressure and high flow rate, when pressure balance, and air pressure
Size will not change.It act as that the pantograph rising bow time can be changed by adjusting downstream flow demodulator 4.
The big flow electron pressure adjusting means 3, it is mainly by airline pressure adjustment module 3-a, pressure detecting module
3-b and electronic control module 3-c compositions.Pressure detecting module 3-b detections come from adjusts gas by downstream flow demodulator 4,
And the recognizable voltages of electronic control module 3-c, current signal are converted into, the signal is directly proportional to air pressure, the big flow electronics
Pressure-regulating device 3 possesses pressure feedback closed-loop control in itself, is sent from control unit 8 to electron pressure adjusting means 3 given
Signal, the signal are voltage, the current signal that electronic control module 3-c can recognize that, the signal is directly proportional to air pressure.Electronic Control
Module 3-c is output to downstream flow demodulator 4 by Setting signal by airline pressure adjustment module 3-a, while according to pressure
The air pressure feedback that detection module 3-b is detected, dynamic reconciles airline pressure adjustment module 3-a, until reaching output control unit 8
Required air pressure.If pantograph movement causes air pressure change in aerating device, pressure detecting module 3-b can also detect the change
Change, feed back to electronic control module 3-c, cause electronic control module 3-c pressure compensations.
The pressure sensor 5, it is installed at the gas outlet of electron pressure adjusting means 3, predominantly detects electron pressure tune
The exit air pressure of regulating device 3, and convert pressure into the electronic signals such as voltage, electric current, and be transferred to control unit 8, and with pressure
Power detects 3-b collectively as system control input, and it is mutually redundant.
The pressure switch 6, it is installed on pantograph ADD circuit orifices, predominantly detects pantograph loop gas outlet air pressure, its
For normally opened or normally closed switching signal, switching signal trigger point can adjust, and act as judging the arciform state of current collecting bow lifting.
The test valve 11, it is installed between pantograph 11 and pressure switch 6, and it is electrically-controlled valve, passes through I/O terminal 10
Receive and inputted from wagon control, the input is connected to control unit 8 simultaneously.When receiving signal, then test valve 11 and turn on, and
Air pressure in pantograph is arranged to air, the fast prompt drop bow of pantograph can be made, while pantograph 11 controls electron pressure adjusting means 3 to hold
Row drop bow operation.
Described control unit 8, it is pantograph control system circuit control section, is electrically connected with all ecp elements
Connect.Control unit 8 is powered by I/O terminal 10 to it, and control unit 8 receives the rising bow from vehicle by I/O terminal 10 and believed
Number, then control unit 8 assigns electron pressure adjusting means 3 initial set-point.Initial set-point corresponds to pantograph Static Contact power.
When air pressure reaches the action air pressure of pressure switch 6 in aerating device, control unit 8 sends rising bow to vehicle by I/O terminal 10 and believed
Number, vehicle can determine whether rising bow arrival time.Bow failure causes when needing vehicle handling failure signal, and control unit 8 passes through IO
Terminal 10 sends fault-signal to vehicle.
Described control unit 8 can receive the contact net type signal from vehicle by I/O terminal 10, pantograph position,
The geologic(al) climates such as the signal such as the status signals such as pantograph opening direction, vehicle traffic direction, circuit, temperature, weather conditions, height above sea level
Signal.
Described control unit 8 can receive the contact net type signal from vehicle, pantograph by vehicle communication network 9
The ground such as the signal such as status signals, vehicle traffic direction, circuit such as position, pantograph opening direction, temperature, weather conditions, height above sea level
Matter climatic signal.Control unit 8 can be sent to vehicle real time fail signal, pantograph status signal by vehicle communication network 9
Deng.
Described control unit 8 assigns the set-point of electron pressure adjusting means 3, is by I/O terminal 10 and vehicle communication network
9 receive the signal from vehicle judges what is obtained jointly, and the determination methods are previously recorded in control unit 8, for calculating
Given value signal.
Embodiment one：
Such as Fig. 2, including cleaner 1, pressure-reducing valve 2, electrical pressure regulator 3, rising bow choke valve 4, pressure sensor 5, pressure
Power switch 6, pantograph 7, control unit 8, test valve 11, the whole control system of composition, system are real by I/O terminal 10 and vehicle
Now power supply and I/O signal connection, realize that vehicle communication is connected with vehicle communication network 9.
The power supply of electrical pressure regulator 3 is DC24V, and Setting signal is that 4-20mA corresponds to electrical pressure regulator
3 controllable maximum gas pressure 0-6Bar, the pressure feedback signal of electrical pressure regulator 3 correspond to electrical pressure regulator 3 for 0-10V and gone out
Maximum gas pressure 0-6Bar at mouthful.
The power supply of current detecting pressure sensor 5 is DC24V, and detection conversion signal is current signal, 4-20mA
The corresponding exit maximum gas pressure 0-6Bar of electrical pressure regulator 3.
The pressure switch 6 is normally opened contact, when pantograph 7, which exports atmospheric pressure, is raised to 3Bar from zero, contact closure,
Simultaneously to the pre- rising bow signal of signals of vehicles is given by O terminals 10, the signal issues control unit 8 simultaneously, to fault diagnosis；When
Pantograph 7 exports atmospheric pressure from when dropping to 2.6Bar higher than 2.6Bar, and contact disconnects, while gives and give vehicle by O terminals 10
Signal drop bow signal, the signal issues control unit 8 simultaneously, to fault diagnosis.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (7)
1. a kind of atmospheric control of pantograph, it is characterised in that including gas circuit, control unit, the gas circuit passes through controlled
The electron pressure adjusting means of system is inflated to aerating device, and the electron pressure adjusting means is adjusted to output pressure；
The electron pressure adjusting means includes pressure sensitive device feedback circuit, and electron pressure adjusting means is by receiving electricity
Stream, voltage signal are converted into atmospheric pressure value as gas circuit output valve；
Described control unit receives the pressure sensor being placed between the electron pressure adjusting means gas outlet and aerating device
The feedback signal of the pressure signal of offer and the pressure sensitive device feedback circuit, send the electricity of control pressure sensing device
Stream, voltage signal.
2. the atmospheric control and control method of pantograph according to claim 1, it is characterised in that also including pressure
Pantograph rising bow signal, drop bow signal are transferred to described control unit by switch, the pressure switch.
3. the atmospheric control and control method of pantograph according to claim 2, it is characterised in that the control is single
Member can interact with signals of vehicles, including：I/O signal, MVB communications, Ethernet.
4. the atmospheric control and control method of pantograph according to claim 3, it is characterised in that the pantograph
Atmospheric control controls multiple pantographs.
5. a kind of atmospheric control of the pantograph described in any one of Claims 1-4 realizes the gas circuit controlling party of pantograph
Method, it is characterised in that including：
Electron pressure adjusting means can give atmospheric pressure value according to control unit, then anti-by pressure sensitive device feedback circuit
Feedback, is adjusted to output pressure；
Pressure sensitive device feedback circuit detects the pressure signal between electron pressure adjusting means gas outlet and aerating device；
The train signal that the given atmospheric pressure value is gathered by control unit obtains.
6. the pneumatic control method of pantograph according to claim 5, it is characterised in that electricity is detected by pressure sensor
Pressure signal between sub- pressure-regulating device gas outlet and aerating device, for judging whether electron pressure adjusting means is different
Often.
7. the pneumatic control method of pantograph according to claim 6, it is characterised in that the row of described control unit collection
Car signal includes following any one or more：
Pressure signal：Pantograph is because bearing contact net pressure change；Pantograph pantograph caused by pogonip weather freezes is conducted oneself with dignity
Pressure change；
Rate signal：Directly gathered by vehicle speed sensor, signal is adjusted by control unit；Communicated by vehicle by MVB
Obtain rate signal；
Contact net type signal；
Pantograph position, pantograph opening direction status signals；
Vehicle traffic direction, working line signal；
Temperature, weather conditions, height above sea level geologic(al) climate signal；
Above signal is obtained by I/O port or MVB communications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791862.4A CN107512178A (en) | 2017-09-05 | 2017-09-05 | The atmospheric control and control method of a kind of pantograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791862.4A CN107512178A (en) | 2017-09-05 | 2017-09-05 | The atmospheric control and control method of a kind of pantograph |
Publications (1)
| Publication Number | Publication Date |
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| CN107512178A true CN107512178A (en) | 2017-12-26 |
Family
ID=60725130
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710791862.4A Pending CN107512178A (en) | 2017-09-05 | 2017-09-05 | The atmospheric control and control method of a kind of pantograph |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993892A (en) * | 2017-12-28 | 2018-05-04 | 北京中车赛德铁道电气科技有限公司 | A kind of power control circuit suitable for electric locomotive contactor |
| CN108944462A (en) * | 2018-07-23 | 2018-12-07 | 西南交通大学 | It is a kind of based on take stream feed back pantograph Active Control Method and control device |
| CN111968878A (en) * | 2020-08-04 | 2020-11-20 | 北京中车赛德铁道电气科技有限公司 | Pneumatic control device for vacuum circuit breaker actuating mechanism for rail transit |
| CN112046292A (en) * | 2020-08-31 | 2020-12-08 | 北京中车赛德铁道电气科技有限公司 | Device and method for realizing quick start and automatic isolation of automatic pantograph lowering system of pantograph |
| CN112334356A (en) * | 2018-05-04 | 2021-02-05 | 西门子交通有限公司 | Method and device for braking a train consist |
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| CN104590032A (en) * | 2014-11-28 | 2015-05-06 | 南车株洲电力机车有限公司 | Electric locomotive and controlling device and method for pantograph type current collector |
| WO2015112174A1 (en) * | 2014-01-27 | 2015-07-30 | Norgren, Inc. | Improved multistage pantograph retraction apparatus and related method |
| CN105818694A (en) * | 2016-03-17 | 2016-08-03 | 中车株洲电力机车有限公司 | Self-adaptive adjusting method, device and system for bow-net contact pressure |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993892A (en) * | 2017-12-28 | 2018-05-04 | 北京中车赛德铁道电气科技有限公司 | A kind of power control circuit suitable for electric locomotive contactor |
| CN107993892B (en) * | 2017-12-28 | 2024-02-06 | 北京中车赛德铁道电气科技有限公司 | Power supply control circuit suitable for electric locomotive contactor |
| CN112334356A (en) * | 2018-05-04 | 2021-02-05 | 西门子交通有限公司 | Method and device for braking a train consist |
| CN112334356B (en) * | 2018-05-04 | 2023-06-23 | 西门子交通有限公司 | Method for braking train set |
| CN108944462A (en) * | 2018-07-23 | 2018-12-07 | 西南交通大学 | It is a kind of based on take stream feed back pantograph Active Control Method and control device |
| CN108944462B (en) * | 2018-07-23 | 2023-09-08 | 西南交通大学 | Pantograph active control method and device based on current taking feedback |
| CN111968878A (en) * | 2020-08-04 | 2020-11-20 | 北京中车赛德铁道电气科技有限公司 | Pneumatic control device for vacuum circuit breaker actuating mechanism for rail transit |
| CN111968878B (en) * | 2020-08-04 | 2022-06-28 | 北京中车赛德铁道电气科技有限公司 | Pneumatic control device for vacuum circuit breaker actuating mechanism for rail transit |
| CN112046292A (en) * | 2020-08-31 | 2020-12-08 | 北京中车赛德铁道电气科技有限公司 | Device and method for realizing quick start and automatic isolation of automatic pantograph lowering system of pantograph |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180717 Address after: 100176 No. 9 Yongchang Middle Road, Daxing District economic and Technological Development Zone, Beijing Applicant after: Beijing Zhongche railway Syed Electric Technology Co Ltd Applicant after: CHINA RAILWAY CORPORATION Address before: 100176 No. 9 Yongchang Middle Road, Daxing District economic and Technological Development Zone, Beijing Applicant before: Beijing Zhongche railway Syed Electric Technology Co Ltd |
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Application publication date: 20171226 |